CN101297576A - 无线通信系统中反向链路的各种信令信道 - Google Patents
无线通信系统中反向链路的各种信令信道 Download PDFInfo
- Publication number
- CN101297576A CN101297576A CNA2006800398313A CN200680039831A CN101297576A CN 101297576 A CN101297576 A CN 101297576A CN A2006800398313 A CNA2006800398313 A CN A2006800398313A CN 200680039831 A CN200680039831 A CN 200680039831A CN 101297576 A CN101297576 A CN 101297576A
- Authority
- CN
- China
- Prior art keywords
- signaling
- channel
- control section
- frame
- signaling channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
Abstract
在可配置CDMA控制段上高效率地发送信令。为了发送信令,确定服务扇区的CDMA控制段的传输参数。这些参数可指示该CDMA控制段大小、其中CDMA控制段被发送的帧、将在CDMA控制段上发送的该信令信道等。确定为一终端启用的CDMA信令信道和每个启用的CDMA信令信道的平均传输区间。对于其中发送CDMA控制段的每一帧,确定将在该帧中的CDMA控制段上发送的信令信道。每个信令信道的信令被处理(例如,编码、信道化、定标、和加扰)。所有信令信道的经处理的信令被组合并映射到用于该帧中的该CDMA控制段的时-频区域。
Description
背景
I.技术
本公开一般涉及通信,尤其涉及无线通信系统中信令的发送。
II.背景
无线通信系统被广泛部署使用以提供诸如语音、分组数据、广播、消息接发等各种通信服务。这些系统可以是通过共享可用系统资源而能够支持多个用户通信的多址系统。这些多址系统的示例包括码分多址(CDMA)系统、时分多址(TDMA)系统、以及频分多址(FDMA)系统。
通信系统通常利用各种信令信道来支持前向和反向链路上的数据传输。前向链路(或下行链路)是指从基站到终端的通信链路,而反向链路(或上行链路)是指从终端到基站的通信链路。例如,终端可在反向链路上发送信令以请求一个或两个链路上的数据传输、以报告信道质量、以请求交递至更强的基站等。由终端发送信令虽然有益处,但也意味着系统开销。
因此本领域需要一种在通信系统中的反向链路上高效率地发送信令的技术。
概要
这里描述了用于在无线通信系统的反向链路上的CDMA控制段上高效率地发送信令的技术。CDMA控制段具有各种可配置特征。在一个实施例中,CDMA控制段的大小、其中发送CDMA控制段的帧、在CDMA控制段上发送的信令信道等都是可配置的。携带各种类型的信令的信令信道可在CDMA控制段上发送。信令信道也可被称为控制信道、反馈信道、报告信道、开销信道等。
在由终端在CDMA控制段上发送信令的实施例中,用于一服务基站的CDMA控制段的传输参数被确定。这些参数可指示,例如CDMA控制段大小、用于发送CDMA控制段的帧、CDMA控制段的跳频等。为该终端启用的CDMA信令信道以及每一被启用CDMA信令信道的平均传输区间也被确定。对于其中发送CDMA控制段的每一帧,将在该帧中的CDMA控制段上发送的信令信道也被确定。每个信令信道的信令被处理,例如被编码、信道化、定标、和加扰。所有信令信道的经处理的信令被组合并映射到用于该帧中的该CDMA控制段的时-频区域。
以下进一步具体地描述了本发明的各个方面和实施例。
附图简述
根据以下结合其中相同附图标记通篇作相对应地标识的附图来阐述的具体描述,本发明的特征和本质将变得更为显见。
图1示出了无线通信系统。
图2A示出了前向和反向链路的超帧(superframe)结构。
图2B示出了反向链路的交织结构。
图3A和3B示出了一个载波的具有两个不同大小的跳频CDMA控制段。
图3C示出了4个载波的跳频CDMA控制段。
图4示出了前向链路上的H-ARQ传输。
图5示出了基站和终端的框图。
图6示出了传输数据和信令处理器的框图。
图7示出了接收数据和信令处理器的框图。
图8和9分别示出了用于控制CDMA控制段上的信令传输的过程和装置。
图10和11分别示出了用于在CDMA控制段上发送信令的过程和装置。
图12和13分别示出了用于接收在CDMA控制段上发送的信令的过程和装置。
具体描述
措辞“示例性”在此被用于表示“用作示例、实例、或例示”。在此被描述为“示例性”的任何实施例或设计都无需被理解为优选或优于其它实施例或设计。
图1示出了具有多个基站110和多个终端120的无线通信系统100。基站是与各终端通信的站。基站也可被称为接入点、节点B、和/或一些其它网络实体,并且可包含它们的某些或所有功能。每个基站110为一特定地理区域102提供通信覆盖。术语“小区(cell)”根据所使用的上下文可表示基站和/或其覆盖区。为了改善系统容量,基站覆盖区可被分为多个更小区域,例如104a、104b、和104c三个更小区域。每个更小区域由相应的基本收发器子系统(BTS)服务。术语“扇区(sector)”根据其所使用的上下文可表示BTS和/或其覆盖区。对于经扇区化的小区,该小区的所有扇区的BTS在该小区的基站内通常同处一处。
终端120通常散布在系统各处,并且每个终端可以是固定或移动的。终端也可以被称为移动站、用户装备、和/或一些其它设备,或者可包含它们的部分或所有功能。终端可以是无线设备、蜂窝电话、个人数字助理(PDA)、无线调制解调器卡等。终端在任意给定时刻可在前向和反向链路上与0个、一个、或多个基站通信。
对于中央架构,系统控制器130耦合至各基站110并提供对这些基站的协调和控制。系统控制器130可以是单个网络实体或网络实体的集合。对于分布式架构,各基站可根据需要彼此通信。
在此所述的信令传输技术可被用于具有扇区化的小区的系统以及具有未扇区化的小区的系统。为了清晰起见,以下针对具有扇区化的小区的系统来描述这些技术。在以下描述中,术语“基站”和“扇区”被互用。
在此所述的信令传输技术也可用于诸如CDMA系统、TDMA系统、FDMA系统、正交频分复用多址(OFDMA)系统、单载波FDMA(SC-FDMA)系统等各种无线通信系统。OFDMA系统利用正交频分复用(OFDM),OFDM是一种将总系统带宽分割为多个(K个)正交副载波的调制技术。这些副载波也被称为音调(tones)、槽(bins)等。对于OFDM,每个副载波可用数据进行独立调制。SC-FDMA系统可利用交织FDMA(IFDMA)在分布于系统带宽上的各副载波上发送、利用集中FDMA(LFDMA)在相邻副载波块上发送、或利用增强FDMA(EFDMA)在多个相邻副载波块上发送。一般而言,调制码元在频域以OFDM发送而在时域以SC-FDMA发送。
对于前向和反向链路,系统100可使用各种副载波结构。对于分布式副载波结构,这K个全部副载波被安排成S个不重叠的集合,以使得每个集合包含在这K个全部副载波上均匀分布的N个副载波。每个集合中的相继副载波相距S个副载波,其中K=S·N。因此,集合s包含副载波s、S+s、2S+s、...、(N-1)·S+s,s∈{1,...,S}。对于块式副载波结构,K个全部副载波被安排成S个不重叠的集合,使得每个集合包含N个相继副载波。因此,集合s包含副载波(s-1)·N+1到,s∈{1,...,S}。一般而言,用于每个链路的副载波结构可包括任意数目的集合,并且每个集合可包括可以任何方式安排的任意数目的副载波。在针对以下大多数描述所假定的实施例中,分布式或块式副载波结构被用于前向链路,而块式副载波结构被用于反向链路。
对于每个链路,系统100可支持单载波或多载波。在一实施例中,对于系统所支持的每个载波有多个(C个)副载波可用。每个载波还可被分割为多个(P个)子带。子带是系统带宽内的一频率范围。在一实施例中,每个载波约横跨约5MHz,C=512、P=4、S=32、以及N=16。对于该实施例,单载波系统具有被安排为4个子带的K=512个全部副载波,且每个子带包括128个副载波。对于该实施例,单载波系统具有32个副载波集合,且每个集合包括16个副载波。对于该实施例,4个载波的系统具有被安排为16个子带的K=2048个全部副载波。
在前向链路上,基站可使用OFDMA或SC-FDMA在S个副载波集合上向一个或多个终端发送数据。例如,基站可每终端一个副载波集合地同时向S个不同终端发送数据。在反向链路上,一个或多个终端可使用OFDMA或SC-FDMA在这S个副载波集合上向基站发送数据。例如,每个终端可在一个副载波上向基站发送数据。对于前向和反向链路中的每一个,这S个副载波集合上的发送是彼此正交的。每个链路的S个副载波集合可如下所述地以各种方式分配给各终端。基站还可用空分多址(SDMA)在一给定副载波集合上向多个终端发送数据和/或从多个终端接收数据。
可如下生成一个码元周期中一个副载波集合的OFDM码元。N个调制码元被映射到该集合中的N个副载波,而信号值为0的零码元被映射到K-N个副载波。对这K个调制码元以及零码元执行K点快速傅立叶逆变换(IFFT)或离散傅立叶逆变换(IDFT)以获得K个时域样本的序列。该序列的最后C个样本被复制到该序列的开头以形成包含K+C个样本的OFDM码元。这复制的C个样本经常被称为循环前缀或保护间隔,且C为循环前缀长度。循环前缀被用于对抗作为在系统带宽上变化的频率响应的频率选择性衰落所引起的码元间干扰(ISI)。
可如下生成一个码元周期中一个副载波集合的SC-FDMA码元。采用N点快速傅立叶变换(FFT)或离散傅立叶变换(DFT)将要在该集合中的N个副载波上发送的N个调制码元变换到频域以获得N个频域码元。这N个频域码元被映射到该集合中的N个副载波,而零码元被映射到剩余的K-N个副载波。然后对这K个频域码元和零码元执行K点IFFT或IDFT以获得K个时域样本的序列。该序列的最后C个样本被复制到该序列的开头以形成包含K+C个样本的SC-FDMA码元。
一般而言,可以类似方式通过将码元映射到用于传输的副载波生成任意数目的副载波和副载波的任意组合的OFDM码元或SC-FDMA码元。OFDM码元或SC-FDMA码元的K+C个样本在K+C个样本/码片周期中传输。码元周期是一个OFDM码元或一个SC-FDMA码元的持续时间并等于K+C个样本/码片周期。
图2A示出了可被用于前向和反向链路的示例性超帧结构200。每个链路的传输时间线被分割为数个超帧单元。每个超帧横跨一固定或可配置的特定持续时间。对于前向链路,每个超帧包括前同步码并继之以M帧,其中M>1。帧可表示传输时间线中的时间区间或在该时间区间期间发送的传输。超帧前同步码携带使终端能够接收前向链路控制信道并随后接入系统的开销信息。每个后续帧可携带话务数据和/或信令。对于反向链路,每个超帧包括M帧,其中第一帧可被延长前向链路上超帧前同步码的长度。反向链路上的超帧与前向链路上的超帧是时间对准的。
图2A示出了前向和反向链路的特定超帧结构。一般而言,超帧可横跨任意持续时间且可包括任意数目的帧和其它字段。反向链路的超帧结构可以与前向链路的超帧结构相同或不同。
图2B示出了反向链路的交织结构210。往回参照图2A,对于每个链路,每一超帧中的帧可被安排为多个组,每组包括Q个相继帧,其中Q>1。用该帧分组,每个链路可形成Q个交织。在图2B中所示的实施例中,交织1包括帧1、Q+1、2Q+1等,交织2包括帧2、Q+2、2Q+2等,以及交织Q包括帧Q、2Q、3Q等。这Q个交织彼此有1帧的偏移量。如下所述,在针对以下大多数描述所假定的实施例中,Q=6,6个交织被形成且可被用于以交织的方式,每交织中一个分组地发送6个分组。
系统100可支持频分双工(FDD)和/或时分双工(TDD)。对于FDD,前向和反向链路被分配单独的频带,且传输可在两个链路上同时发送,如图2A所示。对于TDD,前向和反向链路共享同一频带,且两个链路的传输可在不同帧中发送。例如,前向链路可分配奇数帧,而反向链路可被分配偶数帧。
在一实施例中,CDMA控制段是在反向链路上发送的。CDMA控制段携带反向链路的各种信令信道。在一实施例中,CDMA控制段被映射到每个CDMA帧中固定的时间和频率区。CDMA帧是在其中发送CDMA控制段的帧。在其它实施例中,CDMA控制段以伪随机或确定性方式在CDMA帧之间跳越以实现频率分集。
图3A示出了单载波的CDMA控制段300的实施例。对于该实施例,Q=6且CDMA控制段是在一个交织上或每六帧发送的。对于该实施例,CDMA控制段横跨整个常规大小的帧。如果该CDMA控制段是在交织1上发送的,则对于经延展的RL帧1,该CDMA控制段可在对应于FL帧1的时间区间中发送,如图3A所示。如果CDMA控制段是在交织2、3、4、5或6上发送的,则CDMA控制段可在该交织中每一帧的整个帧中发送。
图3B示出了单载波的经延展的CDMA控制段310的实施例。对于该实施例,Q=6且CDMA控制段是在两个常规大小的帧中在两个相邻交织上发送的。对于图3B中所示的实施例,CDMA控制段在整个经延展的RL帧1、RL帧6和7、RL帧12和13等中发送。CDMA控制段还可在其它RF帧和/或两个以上相邻交织上发送。
如图3A中所示地跨整个帧或如图3B所示地跨多个帧、而不是跨帧的一部分发送CDMA控制段可改善位于覆盖区边缘的终端的链路预算。这些终端通常在发射功率上有一上限。更长的CDMA控制段使得这些终端能够在更长的时间段上以更大能量发送信令,这提高了正确接收信令的可能性。一般而言,CDMA控制段可跨整个帧、跨帧的一部分、跨多个帧、跨多个帧的多个部分发送。
在一实施例中,CDMA控制段占用每个CDMA帧中的至少一个子带。对于图3A中所示的实施例,P=4且CDMA控制段在每个CDMA帧中4个子带的至少一个上发送。在针对以下大多数描述所假定的实施例,CDMA控制段的大小在频率上是可定标的,例如以子带为单位。对于该实施例,CDMA控制段可横跨每个CDMA帧中的一个、两个、或可能更多子带。用于该CDMA控制段的子带可以是连续的或者可散布在系统带宽上。在其它实施例中,CDMA控制段的大小在时间或在时间及频率两者上是可定标的。
一般而言,CDMA控制段可被映射到覆盖F个副载波且横跨T个码元周期的时频区域,其中F≥1且T≥1,如图3A的左上角所示。CDMA控制段包括U个传输单元,其中U=F·T。传输单元是一个码元周期中的一个副载波。为了清晰期间,以下大多数描述是针对其中CDMA控制段占用一个或多个子带且除RL帧1之外横跨整个CDMA帧的实施例。在一实施例中,K=512、P=4、且T=8。对于该实施例,CDMA控制段(1)覆盖CDMA帧的8个码元周期中128个副载波的整数倍且(2)包括1024个传输单元的整数倍,例如,1024、2048、3072或4096个传输单元。
图3A还示出了CDMA控制段的跳频。如图3A所示,CDMA控制段可在不同CDMA帧中跨频跳越。该跳频可以是伪随机或确定性的。
图3A还示出了话务信道的示例性跳频方案。话务信道是用于将数据从发射机发送到接收机的一种手段,且也可被称为信道、物理信道、物理层信道、数据信道等。如图3A所示,每个话务信道可被映射到在不同帧中跨频跳越的时-频块的特定序列。在一实施例中,时-频块对应于一帧中的一个副载波集合。跳频(FH)图案指示每一帧中将用于每个话务信道的特定时-频块。图3A示出了用于一个话务信道y的时-频块序列。其它话务信道可被映射到话务信道y的该时-频块序列的垂直或循环偏移的版本。
在一实施例中,话务信道的跳频避开CDMA控制段。在另一实施例中,话务信道的跳频对于CDMA控制段是伪随机的。对于该实施例,每一CDMA帧中可为CDMA控制段分配一定数目(例如,8个)的副载波集合。与该CDMA控制段冲突的每个话务信道然后被映射到被分配给CDMA控制段的副载波集合。对于该实施例,无论何时只要有冲突发生,话务信道与该CDMA控制段就交换副载波。
图3C示出了4个载波的跳频CDMA控制段320的实施例。对于该实施例,为每一载波提供CDMA控制段的一个实例。在一实施例中,每一载波的CDMA控制段实例携带该载波的反向链路信令且独立于其它载波的CDMA控制段实例。这4个载波的4个CDMA控制段实例(1)可具有相同或不同大小,(2)可一起或彼此独立地跳越,以及(3)可在一个交织上、例如每6帧地进行发送。
图3A和3B示出了CDMA控制段的实施例。在另一实施例中,CDMA控制段可在多个交织中发送。在又一实施例中,CDMA控制段可在其中可发送CDMA控制段的每一帧中选择性地启用或禁用。
系统100可利用各种信令信道来支持前向和反向链路上的数据传输。信令信道通常携带少量的物理层信令。针对每一链路所用的特定信令信道可依存于各种因素,诸如发送话务数据的方式、发送信令的方式、话务信道和信令信道的设计等。
表1列出了反向链路的示例性信令信道以及对每个信令信道的简短描述。在以下具体描述的一实施例中,表1中所示的所有信令信道,除确认(ACK)信道之外,都是在CDMA控制段上发送的。在CDMA控制段上发送的信令信道被称为CDMA信令信道。ACK信道可使用时分和/或频分复用来发送以达到ACK信道的良好性能。一般而言,任何信令信道都可在CDMA控制段上发送。
表1
信令信道 | 符号 | 描述 |
ACK信道 | ACKCH | 携带对接收自基站的分组的ACK |
CQI信道 | CQICH | 携带用于前向链路上的率控制的CQI |
请求信道 | REQCH | 携带对反向链路上资源的请求 |
波束反馈信道 | BFCH | 携带对前向链路上波束成形和空间多路复用的反馈 |
子带反馈信道 | SFCH | 携带对前向链路上自适应子带调度的反馈 |
导频信道 | PICH | 携带宽带导频 |
接入信道 | ACH | 携带用于接入系统的接入探测 |
表1中部分信令信道于前向链路上的数据传输的使用将在以下进行了描述。
图4示出了前向链路上也被称为递增冗余(IR)传输的混合自动重复请求(H-ARQ)。终端最初在接入信道上发送接入探测(AP)以接入该系统。此后,如果基站有数据要发送给该终端,则该基站可请求该终端处的收到信号质量和/或可用于对该终端的数据传输的其它信息。终端估计该前向链路的收到信号质量并在CQI信道上向基站发送CQI值。收到信号质量可由信号干扰噪声比(SINR)和/或其它信号质量量度来量化。终端还可在反馈信道上发送其它类型的反馈(例如,针对波束成形和/或子带调度)。
基站接收来自终端的CQI值并选择将用于向该终端的数据传输的分组格式(例如,数据率、分组大小等)。基站然后根据该选定的分组格式来处理(例如,编码和调制)数据分组(分组1)并生成该分组的多个(V个)数据块,其中V>1。数据分组也被称为码字,且数据块也可被称为子分组等。每个数据块可包含在有利的信道条件下足以使该终端正确解码该分组的信息。V个数据块通常包含该分组的不同冗余信息。这V个数据块可一次一个块地发送,直至该分组结束。数据块可在一个交织上、每一帧中一个数据块地进行发送,则各块发送之间将相隔Q帧。
基站在帧m中发送分组1的第一个数据块(块1)。终端接收并处理(例如,解调和解码)块1,确定分组1解码错误,并在帧m+q在ACK信道上向基站发送否定确定(NAK),其中q是ACK/NAK延时且1≤q<Q。基站接收到该NAK并在帧m+Q中发送分组1的第二数据块(块2)。终端接收到块2、处理块1和2、确定分组1解码正确、并在帧m+Q+q中发送ACK。基站接收到该ACK并终止分组1的发送。基站处理下一数据分组(分组2)并以类似方式发送分组2的数据块。
为了清晰起见,图4示出了NAK和ACK两者的发送。对于基于ACK的方案,如果分组解码正确则发送ACK,而NAK并不发送且由无ACK来假定。
在图4中,新数据块在一给定交织上每Q帧地发送。为了改善信道利用率,H-ARQ重发延迟和ACK/NAK延迟q通常被选择成为发射机和接收机两者提供足够的处理时间。
如图4所示,终端可在信令信道上定期地发送CQI和其它反馈。终端还可对反向链路上的资源发送请求(REQ)以向基站发送数据。
图5示出了图1中基站110和终端120的实施例的框图。对于该实施例,基站110和终端120各自配备有多个天线。
在基站110,发射(TX)数据和信令处理器510接收要送至一个或多个终端的话务数据,根据为每一终端选择的一个或多个分组格式处理(例如,格式化、编码、交织、以及码元映射)要送至该终端的话务数据,以及提供数据码元。处理器510还生成导频码元和信令码元。如在此所用的,数据码元是话务数据的码元,导频码元是作为基站和终端都已知的先验的数据的导频的码元,信令码元是信令的码元,并且码元通常是复数值。TX空间处理器512对数据码元、导频码元、和/或信令码元执行发射机空间处理(例如,自适应波束成形),并向Nbs个调制器(MOD)514a到514bs提供Nbs个发射码元流。每个调制器514对其发射码元流执行OFDM调制并提供OFDM码元流。如果系统100利用SC-FDMA,则每个调制器514执行SC-FDMA调制并提供SC-FDMA码元流。每个调制器514还调节(例如,转换到模拟、滤波、放大、以及上变频)其OFDM码元流并生成FL调制信号。调制器514a到514bs提供分别从Nbs个天线516a到516bs发送的Nbs个FL调制信号。
在终端120,Nat个天线552a到552at分别接收来自基站110以及可能其它基站的FL调制信号并将Nat个收到信号提供给Nat个解调器(DEMOD)554a到554at。每个解调器554处理(例如,调节和数字化)其收到信号并获得其输入样本。每个解调器554还对其输入样本执行OFDM解调并提供所有副载波的频域收到码元。接收(RX)空间处理器556对来自所有R个解调器554a到554at的收到码元执行空间处理,并提供作为基站110发送给终端120的数据码元的估计的数据码元估计。RX数据处理器558处理(例如,码元解映射、解交织、以及解码)数据码元估计并为终端120提供经解码的数据。
控制器/处理器570接收来自RX数据处理器558的解码结果以及来自RX空间处理器556的收到信号质量的测量及FL信道响应。控制器/处理器570生成终端120的各种类型的信令。TX数据和信令处理器560生成来自控制器/处理器570的信令的信令码元、要发送至基站110的话务数据的数据码元、以及导频码元。TX空间处理器562对数据码元、导频码元、和/或信令码元执行发射机空间处理,并提供发射码元,发射码元再由调制器554a到554at处理并通过天线552a到552at被发射。
在基站110处,来自终端120和其它终端的RL调制信号被天线516a到516bs接收,被解调器514a到514bs调节、数字化、和OFDM解调,被RX空间处理器518空间处理,并且再由RX数据和信令处理器520处理以恢复终端120和其它终端所发送的话务数据和信令。控制器/处理器530接收信令并控制前向链路上对终端的数据传输。
控制器/处理器530和570分别指导基站110和终端120处各处理单元的操作。存储器532和572分别存储基站110和终端120的程序代码和数据。
图6示出了图5中终端120处TX数据和信令处理器560的实施例的框图。对于该实施例,处理器560包括TX数据处理器610、TX信令处理器620、以及多路复用器(MUX)660。
在TX数据处理器610内,单元612对话务数据进行编码、交织、和码元映射并提供数据码元。码元至副载波映射器614将数据码元映射到指派给该终端120的话务信道的时-频块。
图6示出了其中除ACK信道之外的所有信令信道都在CDMA控制段上发送的实施例。对于该实施例,TX信令处理器620包括每个CDMA信令信道的信道处理器630。在信道处理器630a内,编码器632将CQI值编码并提供经编码的消息WCQICH。信道化器634将该经编码的消息与信道化序列SCQICH相乘。乘法器636将信道化器634的输出与增益GCQICH相乘并提供该CQI信道的输出序列XCQICH。信道处理器630b将请求消息编码、将得到的经编码的消息与信道化序列SREQCH相乘、用增益GREQCH对经信道化的序列进行定标、并提供请求信道的输出序列XREQCH。信道处理器630c将波束成形反馈编码、将得到的经编码的消息与信道化序列SBFCH相乘、用增益GBFCH对经信道化的序列定标、并提供波束成形反馈信道的输出序列XBFCH。信道处理器630d将子带反馈编码、将得到的经编码的消息与信道化序列SSFCH相乘、用增益GSFCH对经信道化的序列定标、并提供子带反馈信道的输出序列XSFCH。信道处理器630e将导频数据编码、将得到的经编码的消息与信道化序列SPICH相乘、用增益GPICH对经信道化的序列定标、并提供导频信道的输出序列XPICH。信道处理器630f将接入探测编码、将得到的经编码的消息与信道化序列SACH相乘、用增益GACH对经信道化的序列定标、并提供接入信道的输出序列XACH。
每个信令信道的发射功率可通过为该信令信道选择一恰当增益来控制。发射功率可以被选择成达到一目标性能水平,例如,50%或更低的擦除率以及1%的差错率。
组合器640将来自信道处理器630a到630e的输出序列组合并提供合成序列XSM。加扰器642a用加扰序列YSM对该合成序列XSM进行加扰,并提供第一加扰序列ZSM。加扰器642b用加扰序列Yss对接入信道的输出序列XACH进行加扰并提供第二加扰序列Zss。组合器650将第一和第二加扰序列组合并提供时域输出序列ZOUT。组合器650还将输出序列ZOUT分割为该CDMA控制段的T个码元周期的T个输出子序列Z1到ZT。每个输出子序列包含最高达F个时域样本。
在图6所示的实施例中,信令是在时域发送的。对于该实施例,单元652用DFT或FFT将每个输出子序列变换到频域,并提供CDMA控制段的F个副载波的F个信令码元。在图6未示出的另一实施例中,信令是在频域发送的。对于该实施例,组合器650提供信令码元,而DFT/FFT单元652被省略。对于这两个实施例,码元至副载波映射器654将每个输出子序列的F个信令码元映射到该CDMA控制段的一个码元周期的F个副载波。
TX ACK信道处理器656处理ACK消息、生成该ACK消息的信令码元、并将这些信令码元映射到指派给ACK信道的时频段。多路复用器660接收并多路复用来自TX数据处理器610的数据码元和来自TX信令处理器620的信令码元,并提供被多路复用的数据和信令码元。
在一实施例中,终端可与一个或多个同步子集中的一个或多个扇区通信。每个同步子集包括彼此同步的一个或多个扇区。不同的同步子集中的扇区彼此可以不同步。在一实施例中,终端可被指派不同的标识符或MACID用于与每一同步子集通信。同步子集在与本申请同日提交且通过引用包括于此的普通转让的美国专利S/N[代理人案卷号050605]中进行了描述。
在一实施例中,终端可向作为包含FL服务扇区的同步子集的服务同步子集中的目标基站发送CQICH、REQCH、BFCH、SFCH和PICH。目标基站是要向其发送信令的基站。FL服务扇区是当前正向终端发送数据的基站。在一实施例中,终端可向作为不包含该FL服务扇区的同步子集的非服务同步子集中的目标基站发送CQICH。终端可向服务同步子集和/或一个或多个非服务同步子集发送所述CQICH。
CDMA控制段的信令可以用各种方式来处理。以下描述了一特定实施例。对于该实施例,将在信令信道c上发送的B位的信令消息Mc可作如下处理,其中c∈{CQICH,REQCH,BFCH,SFCH,PICH,及ACH}。首先通过将消息Mc映射到L位经编码的消息Wc来编码该消息,其中L=2B。
在一实施例中,该经编码的消息Wc是长度为L的Walsh序列。2×2Hadamard矩阵W 2×2和更大的Hadamard矩阵W 2k×2k可被表达如下:
为2的幂的方形维数的(例如,2×2、4×4、8×8等)Hadamard矩阵可如式(1)所示地来构造。长度为L的L个不同Walsh序列可用L×L的Hadamard矩阵W L×L的L列来构造。信令消息Mc具有i的B位二进制值,其中0≤i≤(L-1)。Hadamard矩阵W L×L的第(i+1)列被提供作为经编码的消息。在一实施例中,信令消息Mc是10位的长度,而经编码的消息Wc是可如下给出的1024位的Walsh序列:
Wc={W1 1,W2 i,W3 i,...,W1024 1}式(2)
其中每个Walsh位Wk i,k=1,...,1024,可在值+1或-1上选取,或者 在一实施例中,PICH的经编码的消息WPICH是全1序列,其对应于来自W L×L的第一列的Walsh码0。除了上述Walsh码映射,还可以用其它方式来编码信令消息。
经编码的消息Wc用信令信道c的信道化序列Sc被信道化。在一实施例中,信道化序列Sc如下生成。20位的移位寄存器基于以下发生器多项式生成伪随机二进制序列Fc:
h(D)=D20+D17+D12+D10+1式(3)
其中D表示一个位的延时。该20位的移位寄存器的初始状态被设为可如下生成的20位的值Fc,int:
Fc,int=[位反转(Ac·Pr)]mod 220式(4)
其中Pr是较大的质数,例如,Pr=2,654,435,761;而
Ac是信令信道c的种子值。
同一较大质数可用于所有信令信道。
在一实施例中,信令信道c的种子值给定为:
Ac[s3s2s1m5m4m3m2m1p12p11p10p9p8p7p6p5p4p3p2p1]式(5)
其中,[c3c2c1]是信令信道c的3位的索引;
[m5m4m3m2m1]是在其中发送该信令的帧的5位的索引;以及
[p12p11p10p9p8p7p6p5p4p3p2p1]是目标基站的12位的标识符。
信令信道可被指派不同的索引,这可用以为这些信令信道生成不同种子值,并由此生成不同信道化序列。在一实施例中,CQICH被指派索引[000](二进制),BFCH被指派索引[001],SFCH被指派索引[010]、ACH被指派索引[100],REQCH被指派索引[101],以及PICH被指派索引[110]。目标基站可以是服务同步子集中的FL服务扇区、非服务同步子集中的指定扇区等。
来自该移位寄存器的长度L/2的二进制序列Fc可给定如下:
Fc={fc 1,fc 2,fc 3,...,fc L/2}式(6)
二进制序列Fc如下被重复2R次以形成长度为L·R的信道化序列Sc:
其中R是如下所述地被选定的重复因子。
如式(5)所示,每个信令信道的种子Ac以及由此的信道化序列Sc依存于(1)允许目标基站区分不同CDMA信令信道的该信令信道的索引,(2)在其中发送该信令的帧,以及(3)允许每个基站接收为该基站发送的信令的目标基站的标识符。
为了将经编码的消息Wc信道化,首先将该消息重复R次以形成包含L·R位的经重复的序列。重复因子R被选择成使得重复之后的总位数小于或等于CDMA控制段中传输单元的总数目,或L·R≤U。为了简单起见,以下描述假定L·R=U。经重复的序列被乘以信道化序列Sc以获得信令信道的如下输出序列Xc:
如式(8)所示,经重复的序列中的每一位(1)在信道化序列Sc中的相应位等于1的情况下被反转或者(2)否则不反转。信令信道c的输出序列Xc可基于指派给该信令信道的功率被定标,如图6所示。CDMA信令信道可被指派相同或不同的功率。为了简单起见,在式(8)中省略功率定标。
在一实施例中,ACH的输出序列XACH的最后R·F个位被设为0,且输出序列XACH的长度实质上被缩短为(L-F)·R。在另一实施例中,ACH的经编码的消息WACH或经重复的消息被形成为短于L·R个位。该较短的经重复的序列被乘以较短的信道化序列以获得较短的输出序列XACH。总之,该较短的输出序列XACH可在较小的持续时间中发送。这提供了一定的保护时间以解决在向系统发送接入探测时终端处不准确的定时。
在一实施例中,CDMA信令信道可针对每个CDMA帧单个地启用或禁用。一给定CDMA信令信道可通过将该信令信道的输出序列Xc设为全零序列来禁用。
在一实施例中,CQICH、REQCH、BFCH、SFCH、以及PICH的输出序列可由组合器640组合以获得该服务同步子集的合成序列XSM s。在一实施例中,CQICH的输出序列可被提供作为非服务同步子集的合成序列XSM ns。在一实施例中,合成序列XSM s和XSM ns可如下给定:
合成序列XSM s和XSM ns各自包含U个复数值。对于式(9a)中所示实施例,CQICH、SFCH、以及PICH是在XSM s的同相(I)分量中发送的,而REQCH和BFCH是在正交(Q)分量中发送的。CQICH、REQCH、BFCH、SFCH、以及PICH的输出序列还可以用其它方式组合以用于服务同步子集。在以下描述中,合成序列XSM可等于服务同步子集的XSM s或非服务同步子集的XSM ns。
在一实施例中,合成序列XSM被用目标基站和终端两者所特有的加扰序列YSM加扰。由此,加扰序列YSM对于不同的同步子集是不同的。加扰序列YSM可如下生成。28位的移位寄存器基于以下发生器多项式生成伪随机二进制序列FSM:
h(D)=D28+D25+1式(10)
该28位移位寄存器的初始状态被设为可如下生成的28位的值FSM,int:
FSM,int=[位反转(ASM·Pc)]mod 228式(11)
其中,ASM=[m5m4m3m2m1t11t10t9t8t7t6t5t4t3t2t1p12p11p10p9p8p7p6p5p4p3p2p1],以及[t11t10t9t8t7t6t5t4t3t2t1]是该终端的11位的标识符或MACID,对于不同的同步子集它可能是不同的。
然后可如下生成加扰序列YSM:
其中 是二进制序列FSM的第k位;以及
加扰序列YSM基于伪随机二进制序列FSM以伪随机方式在位与位之间旋转+90°或-90°。
合成序列XSM可用该加扰序列YSM加扰以生成如下经加扰的序列ZSM:
其中 是合成序列XSM的第k位。
在一实施例中,ACH的输出序列XACH被用该目标基站所特有的加扰序列YSS加扰。对该ACH使用扇区特有加扰序列YSS的原因是由于(1)试图接入该系统的终端可能没有有效的MACID和(2)该目标基站通常不知道哪些终端正试图接入该基站。加扰序列YSS可如下生成。可如上所述地用种子值ASS=[111m5m4m3m2m1p12p11p10p9p8p7p6p5p4p3p2p1]来生成长度为U的伪随机二进制序列FSS。然后加扰序列YSS可生成为:
其中 是二进制序列FSS的第k位;以及
输出序列XACH可用该加扰序列YSS加扰以生成如下经加扰的序列ZSS:
其中 是合成序列XSM的第k位。如以上所指出,在所述输出序列XACH的末尾某些位可被设置为0。
在一实施例中,经加扰的序列ZSM和ZSS由组合器650组合以生成如下输出序列ZOUT:
其中zSM k和zSS k分别是输出序列ZSM和ZSS的第k位。输出序列ZOUT被进一步处理并在该CDMA控制段上发送。
对于上述实施例,CDMA信令信道的各消息具有B位的固定长度。这允许消息被映射到长度L的Walsh序列,其中L=2B。对于该实施例,具有大于B个位的消息可被分割并且(1)在多个CDMA帧中该信令信道的一个实例上或(2)在一个CDMA帧中该信令信道的多个实例上发送。给定信令信道的多个实例例如可通过在该信令信道上发送多个Walsh序列获得。在另一实施例中,CDMA信令信道的各消息可具有不同长度。
图7示出了图5中基站110处RX数据和信令处理器520的实施例的框图。处理器520包括解多路复用器(DEMUX)710、RX数据处理器720、以及RX信令处理器730。为了清晰起见,以下描述用以恢复来自一个终端(例如,图5中的终端120)的话务数据和信令的处理。
在RX数据处理器720内,码元至副载波解映射器722从指派给终端120的话务信道的时-频块提取收到码元。单元724对所提取的收到码元进行码元解映射、解交织、以及解码,并为终端120提供经解码的数据。
在RX信令处理器730内,码元至副载波解映射器732从用于每个CDMA帧中的该CDMA控制段的时-频区提取收到码元。对于在其中发送该CDMA控制段的每一个码元周期,IDFT/IFFT单元734将该码元周期的收到码元变换到时域并提供收到样本。解扰器736a用加扰序列YSM将收到样本解扰,并将经解扰的样本DSM提供给CQICH、REQCH、BFCH、SFCH、和PICH的信道处理器740a到740e。在CQICH的信道处理器740a内,解信道化器742将经解扰的样本DSM乘以信道化序列SCQICH。解码器744将经信道化的样本解码并为该CQICH提供恢复后的消息。信道处理器740b到740e的每一个类似地将经解扰的样本DSM与相关联的信令信道的信道化序列相乘、将经信道化的样本解码、并为该信令信道提供恢复后的消息。导频信道处理器740e可提供覆盖用于该CDMA控制段的所有副载波的宽带信道估计。该宽带信道估计可用于数据检测、调度等。解扰器736b用加扰序列YSS将收到样本解扰并提供ACH的经解扰的样本DSS。信道处理器740f将该经解扰的样本DSS乘以ACH的信道化序列、将经信道化的样本解码、并为ACH提供恢复后的消息。RX ACK信道处理器750处理ACKCH的收到码元并提供检测到的ACK消息。
导频信道(PICH)携带被基站用来估计RL信道响应的全1序列。RL信道响应估计可以(1)用于反向链路上的自适应子带调度和(2)在其中FL信道响应可被假定为RL信道响应的倒数的TDD系统中用作FL信道响应估计。
接入信道(ACH)携带由该终端发送用于系统接入的消息或接入探测。ACH的可用Walsh序列可被分为多个组。每一组可与诸如缓冲器水平、测得的FL信号强度等特定参数相关联。终端可从与所希望的参数相关联的一组中选择Walsh序列并可将该选定的Walsh序列发送给基站。终端由此可通过该选定的Walsh序列将所希望的参数传送给基站。
ACH可伴随经扩展的保护带和保护时间来发送以防止由具有CDM控制段边界的接入探测的不对准所引起的扇区内干扰。该定时不对准可能是由于接入阶段中终端没有准确的RL定时信息这一事实所引起的。
图8示出了用以控制CDMA控制段上的信令传输的过程800。在一实施例中,CDMA控制段和CDMA信令信道对于系统中的每一扇区是可配置的。过程800可由一扇区的基站或基站的网络实体来执行。以下描述是针对一个扇区。
该扇区的CDMA控制段的传输参数被确定(块812)。这些传输参数可指示CDMA控制段的大小(例如,用于该CDMA控制段的子带或副载波的数目)、用于该CDMA控制段的帧或交织、该CDMA控制段的跳频等。针对该扇区所启用的CDMA信令信道也被确定(块814)。启用哪些CDMA信令信道可取决于在前向和/或反向链路上如何传输数据和/或其它因素。例如,在对于前向链路未执行自适应子带调度的情况下可禁用SFCH,以及在FDD系统中未执行波束成形和空间多路复用的情况下可禁用BFCH。
每个被启用的CDMA信令信道的平均传输区间被选定(块816)。平均传输区间是一给定信令信道的相继传输之间的平均时间。使用平均传输区间而非固定传输区间为终端在确定何时发送信令上提供了灵活性并且还允许在设置传输区间上有更精细的粒度。
从为该扇区启用的CDMA信令信道当中确定并选择为每一终端所启用的CDMA信令信道(块818)。例如基于用于每一终端的传输方案(例如,SISO或MIMO)和/或其它因素还为该终端确定对具有多个报告模式的每个CDMA信令信道所使用的报告模式(也是块818)。指示该CDMA控制段的各种参数以及所启用的CDMA信令信道的控制信息被发送给该终端(块820)。例如,适用于所有终端的控制信息可在FL超帧前同步码中广播,而每个终端所特有的控制信息可被直接发送至该终端。
图8示出了用于控制CDMA控制段的操作的特定实施例。在另一实施例中,平均传输区间是针对为每个终端所启用的每个CDMA信令信道单独选择的。在又一实施例中,每个启用的CDMA信令信道的传输率是可配置的,且由固定率而非平均率来给定。CDMA控制段的操作还可以其它方式来控制。
图9示出了用于控制CDMA控制段上的信令传输的装置900。装置900包括用于确定一扇区的CDMA控制段的传输参数(例如,大小、交织、以及跳频)的装置(块912)、用于确定为该扇区启用的CDMA信令信道的装置(块914)、用于为每个启用的CDMA信令信道选择平均传输区间的装置(块916)、用于确定为每个终端启用的CDMA信令信道的装置(块918)、用于将指示CDMA控制段的控制信息和所启用的CDMA信令信道的各种参数发送给终端的装置(块920)。
图10示出了由终端执行以用于在CDMA控制段上发送信令的过程1000。最初,确定一服务扇区的CDMA控制段的传输参数(例如,大小、交织、以及跳频)(块1012)。确定为终端所启用的CDMA信令信道以及每个启用的CDMA信令信道的平均传输区间(块1014)。
对于每一帧,确定是否正在该帧中发送CDMA控制段(块1016)。如果答案为“是”,则确定将在该当前帧中发送的所有CDMA信令信道(块1018)。
该确定是基于所启用的CDMA信令信道的平均传输区间、对于每一启用的CDMA信令信道是否有信令要发送等。将在当前帧中发送的每个CDMA信令信道的信令被处理(例如,编码、信道化、定标、以及加扰)(块1020)。所有CDMA信令信道的经处理的信令被组合(块1022),且随后该经组合的信令被映射到当前帧中用于该CDMA控制段的时-频区域(块1024)。
图11示出了用于在CDMA控制段上发送信令的装置1100。装置1100包括用于确定一服务扇区的CDMA控制段的传输参数(例如,大小、交织、以及跳频)的装置(块1112)和用于确定为终端所启用的CDMA信令信道以及每个启用的CDMA信令信道的平均传输区间的装置(块1114)。
装置1100还包括用于处理将在其中发送CDMA控制段的每一帧的装置,其中包括用于确定将在当前帧中发送的CDMA信令信道的装置(块1118)、用于处理(例如,编码、信道化、定标、以及加扰)将在当前帧中发送的每个CDMA信令信道的信令的装置(块1120)、用于将所有CDMA信令信道的经处理的信令相组合的装置(块1122)、以及用于将该经组合的信令映射到当前帧中用于CDMA控制段的时-频区域的装置(块1124)。
图12示出了由基站执行以用于接收在CDMA控制段上发送的信令的过程1200。对于每一帧,确定CDMA控制段是否正在该帧中被发送(块1212)。如果答案为“是”,则从该当前帧中用于CDMA控制段的时-频区域中提取收到码元(块1214)。
对于作为可使用扇区特有和用户特有加扰序列YSM发送信令的每一个活动终端,确定该活动终端可能在当前帧中发送的所有CDMA信令信道(块1216)。处理(例如,解扰、解信道化、以及解码)每一活动终端可能发送的每个CDMA信令信道的收到码元以从该CDMA信令信道恢复信令(若有的话)(块1218)。还处理(例如,解扰、解信道化、以及解码)接入信道的所述收到码元以恢复由试图接入系统的各终端所发送的任何接入探测(块1220)。
图13示出了用于接收在CDMA控制段上发送的信令的装置1300。装置1300包括用于处理在其中发送CDMA控制段的每一帧的装置,其中包括用于从当前帧中用于该CDMA控制段的时-频区域提取收到码元的装置(块1314)、用于确定每个活动终端可能在当前帧中发送的CDMA信令信道的装置(块1316)、用于处理(例如,解扰、解信道化、和解码)每一活动终端可能发送的每个CDMA信令信道的所述收到码元以从该CDMA信令信道恢复信令(若有的话)的装置(块1318)、以及用于处理(例如,解扰、解信道化、以及解码)接入信道的所述收到码元以恢复由试图接入系统的各终端发送的任何接入探测的装置(块1320)。
在此所述的信令传输技术可用各种手段来实现。例如,这些技术可以用硬件、固件、软件、或其组合来实现。对于硬件实现,终端处的处理单元可在一个或多个专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理器件(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、处理器、控制器、微控制器、微处理器、电子器件、被设计成执行在此所述功能的其它电子单元、或其组合中实现。基站处的处理单元也可在一个或多个ASIC、DSP、处理器等内实现。处理器530可实现图8中的过程800、处理器560可实现图10中的过程1000、以及处理器520可实现图12中的过程1200。
对于固件和/或软件实现,该技术可用执行在此所述功能的模块(例如,过程、功能等)来实现。软件代码可存储在存储器(例如,图5中的存储器532或572)中并由处理器(例如,处理器530或570)来执行。存储器可在处理器内部或外部实现。
所公开的实施例的先前描述被提供用以使得本领域的技术人员能够利用或使用本发明。对于本领域的技术人员,对这些实施例的各种修改将是显而易见的,且在此定义的一般性原理可适用于其它实施例而不会背离本发明的精神实质和范围。因此,本发明无意限制于在此所示的实施例,而是应根据与在此所公开的原理和新颖特征相一致的最宽的范围来授权。
Claims (57)
1.一种装置,包括:
至少一个处理器,被配置成确定在其中发送控制段的帧,以及对于在其中发送所示控制段的每一帧,处理所述帧中将在所述控制段上发送的数个信令信道的信令——若有,并将经处理的信令映射到用于所述帧中的所述控制段的时-频区域;以及
耦合至所述至少一个处理器的存储器。
2.如权利要求1所述的装置,其特征在于,来自多个终端的信令是用码分多址(CDMA)方案在所述控制段上发送的。
3.如权利要求1所述的装置,其特征在于,所述控制段是每Q帧地发送的,其中Q是大于1的整数。
4.如权利要求1所述的装置,其特征在于,所述控制段横跨在其中发送所述控制段的每一帧的整个帧。
5.如权利要求1所述的装置,其特征在于,每一帧覆盖多个子带,并且其中所述控制段具有可配置大小且在整数个子带中被发送。
6.如权利要求1所述的装置,其特征在于,对于所述数个信令信道中的每一个,所述至少一个处理器被配置成将所述信令信道的消息编码以获得经编码的消息、并用所述信令信道的信道化码将所述经编码的消息信道化。
7.如权利要求6所述的装置,其特征在于,对于所述数个信令信道中的每一个,所述至少一个处理器被配置成通过将所述信令信道的所述消息映射到多个Walsh序列之一来编码所述消息。
8.如权利要求6所述的装置,其特征在于,对于所述数个信令信道中的每一个,所述至少一个处理器被配置成基于所述信令信道的索引以及要接收所述信令信道的基站的标识符来生成所述信令信道的所述信道化码。
9.如权利要求1所述的装置,其特征在于,所述数个信令信道的消息具有相等长度。
10.如权利要求1所述的装置,其特征在于,所述至少一个处理器被配置成用至少一个加扰序列对所述数个信令信道的所述信令进行加扰。
11.如权利要求10所述的装置,其特征在于,所述至少一个处理器被配置成基于要接收所述信令信道的基站的标识符生成所述至少一个加扰序列之一。
12.如权利要求10所述的装置,其特征在于,所述至少一个处理器被配置成基于发送所述信令信道的终端的标识符和要接收所述信令信道的基站的标识符生成所述至少一个加扰序列之一。
13.如权利要求1所述的装置,其特征在于,所述至少一个处理器被配置成将所述数个信令信道的所述信令相组合,将经组合的信令变换到频域以获得信令码元,并且将所述信令码元映射到用于所述帧中的所述控制段的所述时-频区域上。
14.如权利要求1所述的装置,其特征在于,所述信令信道包括携带信道质量指示(CQI)的信令信道。
15.如权利要求14所述的装置,其特征在于,所述至少一个处理器被配置成向多个基站发送所述携带CQI的信令信道。
16.如权利要求1所述的装置,其特征在于,所述信令信道包括携带波束成形反馈信息的信令信道。
17.如权利要求1所述的装置,其特征在于,所述信令信道包括携带指示多个子带当中至少一个子带的信道质量的反馈信息的信令信道。
18.如权利要求1所述的装置,其特征在于,所述信令信道包括携带多输入多输出(MIMO)信道的多个空间信道的反馈信息的信令信道。
19.如权利要求1所述的装置,其特征在于,所述至少一个处理器被配置成基于每个信令信道的平均传输区间来确定将在所述帧中的所述控制段上发送的所述信令信道。
20.如权利要求1所述的装置,其特征在于,所述控制段在各帧间跨频率跳跃。
21.如权利要求1所述的装置,其特征在于,所述至少一个处理器被配置成确定用于话务信道的副载波,确定被分配用于所述控制段的副载波,并且在所述话务信道与所述控制段冲突的情况下将所述话务信道映射到分配用于所述控制段的所述副载波。
22.一种方法,包括:
确定在其中发送控制段的帧;以及
对于在其中发送所述控制段的每一帧,
处理将在所述帧中的所述控制段上发送的数个信令信道的信令,以及
将经处理的信令映射到用于所述帧中的所述控制段的时-频区域。
23.如权利要求22所述的方法,其特征在于,所述处理数个信令信道的信令包括
将所述数个信令信道中的每一个的消息映射到多个Walsh序列当中的一个Walsh序列;并且
用每个信令信道的信道化码将所述信令信道的所述Walsh序列信道化。
24.如权利要求23所述的方法,其特征在于,所述处理数个信令信道的信令包括
基于每个信令信道的索引和要接收所述信令信道的基站的标识符来生成所述信令信道的所述信道化码。
25.如权利要求22所述的方法,其特征在于,所述处理数个信令信道的信令包括
用至少一个加扰序列对所述数个信令信道的所述信令进行加扰。
26.如权利要求25所述的方法,其特征在于,所述处理数个信令信道的信令包括
基于发送所述信令信道的终端的标识符和要接收所述信令信道的基站的标识符生成所述至少一个加扰序列之一。
27.如权利要求22所述的方法,其特征在于,所述处理数个信令信道的信令包括
将所述数个信令信道的所述信令相组合,
将所述经组合的信令变换到频域以获得信令码元,以及
将所述信令码元映射到用于所述帧中的所述控制段的所述时-频区域。
28.一种装置,包括:
用于确定在其中发送控制段的帧的装置;以及
用于处理在其中发送所述控制段的每一帧的装置,包括:
用于处理将在所述帧中的所述控制段上发送的数个信令信道的信令的装置;以及
用于将经处理的信令映射到用于所述帧中的所述控制段的时-频区域的装置。
29.如权利要求28所述的装置,其特征在于,所述用于处理数个信令信道的信令的装置包括:
用于将所述数个信令信道中的每一个的消息映射到多个Walsh序列当中的一个Walsh序列的装置;以及
用于用每个信令信道的信道化码将所述信令信道的所述Walsh序列信道化的装置。
30.如权利要求29所述的装置,其特征在于,所述用于处理多个信令信道的信令的装置包括:
用于基于每个信令信道的索引和要接收所述信令信道的基站的标识符来生成所述信令信道的所述信道化码的装置。
31.如权利要求28所述的装置,其特征在于,所述用于处理数个信令信道的信令的装置包括:
用于用至少一个加扰序列对所述数个信令信道的所述信令进行加扰的装置。
32.如权利要求31所述的装置,其特征在于,所述用于处理数个信令信道的信令的装置包括:
用于基于发送所述信令信道的终端的标识符和要接收所述信令信道的基站的标识符生成所述至少一个加扰序列之一的装置。
33.一种装置,包括:
至少一个处理器,被配置成用多个信道化码将多个信令信道的消息信道化,用至少一个加扰码对所述经信道化的消息进行加扰,并将经加扰的消息映射到用于控制段的时-频区域;以及
耦合至所述至少一个处理器的存储器。
34.如权利要求33所述的装置,其特征在于,所述至少一个处理器被配置成基于一伪随机数(PN)发生器和所述多个信令信道的不同种子值来生成所述多个信令信道的所述多个信道化码。
35.如权利要求33所述的装置,其特征在于,所述至少一个处理器被配置成基于发送所述多个信令信道的终端的标识符和要接收所述多个信令信道的基站的标识符生成所述至少一个加扰序列之一。
36.如权利要求33所述的装置,其特征在于,所述至少一个处理器被配置成将所述多个信令信道的所述消息映射到Walsh序列、并用所述多个信道化码将所述Walsh序列信道化。
37.如权利要求33所述的装置,其特征在于,所述多个信令信道携带不同类型的反馈信息,且其中所述多个信令信道的所述消息携带信道质量指示(CQI)、波束成形反馈信息、子带反馈信息、或其组合。
38.一种装置,包括:
至少一个处理器,被配置成确定在其中发送控制段的帧,并且对于在其中发送所述控制段的每一帧,从用于所述帧中的所述控制段的时-频区域提取收到码元,确定潜在可能有终端在所述帧中的所述控制段上发送的信令信道,并处理所述潜在可能发送的信令信道的收到码元以恢复所述终端发送的信令;以及
耦合至所述至少一个处理器的存储器。
39.如权利要求38所述的装置,其特征在于,来自多个终端的信令是用码分多址(CDMA)方案在所述控制段上发送的。
40.如权利要求38所述的装置,其特征在于,所述控制段是每Q帧地发送的,其中Q是大于1的整数。
41.如权利要求38所述的装置,其特征在于,所述控制段横跨在其中发送所述控制段的每一帧的整个帧。
42.如权利要求38所述的装置,其特征在于,所述至少一个处理器被配置成将所述收到码元变换到时域以获得收到样本,并用至少一个加扰序列对所述收到样本进行解扰。
43.如权利要求42所述的装置,其特征在于,所述至少一个处理器被配置成基于所述终端的标识符和接收所述控制段的基站的标识符生成所述至少一个加扰序列之一。
44.如权利要求38所述的装置,其特征在于,对于所述潜在可能发送的信令信道中的每一个,所述至少一个处理器被配置成用所述信令信道的信道化码执行信道化以获得经信道化的样本,并将所述经信道化的样本解码以恢复所述信令信道的消息。
45.如权利要求44所述的装置,其特征在于,对于每一个潜在可能发送的信令信道,所述至少一个处理器被配置成将所述经信道化的样本映射到多个Walsh序列当中的一个Walsh序列、并提供与所述Walsh序列相关联的消息作为所述信令信道的恢复出的消息。
46.如权利要求44所述的装置,其特征在于,对于每一个潜在可能发送的信令信道,所述至少一个处理器被配置成基于所述信令信道的索引和要接收所述信令信道的基站的标识符来生成所述信令信道的所述信道化码。
47.一种方法,包括:
确定在其中发送控制段的帧;以及
对于在其中发送所述控制段的每一帧,
从用于所述帧中的所述控制段的时-频区域提取收到码元,
确定潜在可能有终端在所述帧中的所述控制段上发送的信令信道,并且
处理所述潜在可能发送的信令信道的收到码元以恢复所述终端发送的信令。
48.如权利要求47所述的方法,其特征在于,所述处理所述潜在可能发送的信令信道的所述收到码元包括:
将所述收到码元变换到时域以获得收到样本,并且
用至少一个加扰序列对所述收到样本进行解扰。
49.如权利要求47所述的方法,其特征在于,所述处理潜在可能发送的信令信道的收到码元包括,对于每一个潜在可能发送的信令信道:
用所述信令信道的信道化码执行信道化以获得经信道化的样本,
将所述经信道化的样本映射到多个Walsh序列当中的一个Walsh序列,并且
提供与所述Walsh序列相关联的消息作为所述信令信道的恢复出的消息。
50.一种装置,包括:
用于确定在其中发送控制段的帧的装置;以及
用于处理在其中发送所述控制段的每一帧的装置,包括
用于从用于所述帧中的所述控制段的时-频区域提取收到码元的装置,
用于确定潜在可能有终端在所述帧中的所述控制段上发送的信令信道的装置,以及
用于处理所述潜在可能发送的信令信道的收到码元以恢复所述终端发送的信令的装置。
51.如权利要求50所述的装置,其特征在于,所述用于处理潜在可能发送的信令信道的收到码元的装置包括
用于将所述收到码元变换到时域以获得收到样本的装置,以及
用于用至少一个加扰序列对所述收到样本进行解扰的装置。
52.如权利要求50所述的装置,其特征在于,所述用于处理潜在可能发送的信令信道的收到码元的装置包括,对于每一个潜在可能发送的信令信道,
用于用所述信令信道的信道化码执行信道化的装置,
用于将经信道化的样本映射到多个Walsh序列当中的一个Walsh序列的装置,以及
用于提供与所述Walsh序列相关联的消息作为所述信令信道的恢复出的消息的装置。
53.一种装置,包括:
至少一个处理器,被配置成确定控制段的传输参数,确定为所述控制段启用的数个信令信道,并发送指示所述控制段的所述传输参数和为所述控制段启用的信令信道的控制信息;以及
耦合至所述至少一个处理器的存储器。
54.如权利要求53所述的装置,其特征在于,来自多个终端的信令是用码分多址(CDMA)方案在所述控制段上发送的。
55.如权利要求53所述的装置,其特征在于,所述至少一个处理器被配置成确定为所述控制段启用的数个信令信道中的每一个的平均传输区间。
56.如权利要求53所述的装置,其特征在于,所述至少一个处理器被配置成确定为至少一个终端中的每一个启用的信令信道。
57.如权利要求53所述的装置,其特征在于,所述控制段的所述传输参数指示所述控制段的大小和在其中发送所述控制段的帧。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/261,806 US9225416B2 (en) | 2005-10-27 | 2005-10-27 | Varied signaling channels for a reverse link in a wireless communication system |
US11/261,806 | 2005-10-27 | ||
PCT/US2006/060333 WO2007051187A1 (en) | 2005-10-27 | 2006-10-27 | Varied signaling channels for a reverse link in a wireless communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101297576A true CN101297576A (zh) | 2008-10-29 |
CN101297576B CN101297576B (zh) | 2013-11-06 |
Family
ID=37847198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800398313A Active CN101297576B (zh) | 2005-10-27 | 2006-10-27 | 无线通信系统中反向链路的各种信令信道 |
Country Status (15)
Country | Link |
---|---|
US (1) | US9225416B2 (zh) |
EP (1) | EP1941775B1 (zh) |
JP (2) | JP5275037B2 (zh) |
KR (1) | KR101009570B1 (zh) |
CN (1) | CN101297576B (zh) |
AT (1) | ATE536009T1 (zh) |
AU (1) | AU2006305700C1 (zh) |
BR (1) | BRPI0617871B1 (zh) |
CA (1) | CA2626790C (zh) |
ES (1) | ES2375091T3 (zh) |
IL (1) | IL190975A0 (zh) |
NO (1) | NO20082355L (zh) |
RU (1) | RU2390935C2 (zh) |
TW (1) | TWI375425B (zh) |
WO (1) | WO2007051187A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101615984A (zh) * | 2009-08-07 | 2009-12-30 | 中兴通讯股份有限公司 | 载波聚合下周期性cqi反馈的方法和装置 |
Families Citing this family (102)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
GB0507160D0 (en) * | 2005-04-08 | 2005-05-18 | Ibm | Data storage system with shared cache address space |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
KR101022998B1 (ko) * | 2005-10-27 | 2011-03-22 | 퀄컴 인코포레이티드 | 무선 통신 시스템에서 섹터 유지 관리의 서비스 방법 |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
KR100827371B1 (ko) * | 2005-11-30 | 2008-05-07 | 삼성전자주식회사 | 통신 시스템에서 자원 할당 장치 및 방법 |
US20070165576A1 (en) * | 2005-12-29 | 2007-07-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Mimo control channel with shared channelization codes |
US20080051037A1 (en) | 2005-12-29 | 2008-02-28 | Molnar Karl J | BASE STATION AND METHOD FOR SELECTING BEST TRANSMIT ANTENNA(s) FOR SIGNALING CONTROL CHANNEL INFORMATION |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
JP4343926B2 (ja) * | 2006-02-08 | 2009-10-14 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置および送信方法 |
US7729433B2 (en) * | 2006-03-07 | 2010-06-01 | Motorola, Inc. | Method and apparatus for hybrid CDM OFDMA wireless transmission |
JP4716907B2 (ja) * | 2006-03-28 | 2011-07-06 | 富士通株式会社 | サブバンド通知方法及び端末装置 |
BRPI0712355B1 (pt) * | 2006-06-13 | 2019-11-12 | Qualcomm Inc | transmissão de piloto em link reverso para um sistema de comunicação sem fio |
JP4885272B2 (ja) * | 2006-07-07 | 2012-02-29 | エルジー エレクトロニクス インコーポレイティド | 逆方向リンク伝送で資源を効率的に用いる方法 |
BRPI0717814A8 (pt) * | 2006-09-26 | 2019-10-15 | Nokia Corp | aparelho, método e produto de programa de computador que fornece modulação de sequencia para sinalização de controle de enlace ascendente |
EP2080302A4 (en) | 2006-10-02 | 2014-04-02 | Lg Electronics Inc | TRANSMISSION OF A MULTIPLEX AGE CONTROL SIGNAL |
GB0619530D0 (en) | 2006-10-03 | 2006-11-15 | Nokia Corp | Signalling |
US20080095040A1 (en) * | 2006-10-24 | 2008-04-24 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving ack/nack signal to support hybrid automatic repeat request for multi-layer transmission |
WO2008097037A1 (en) * | 2007-02-07 | 2008-08-14 | Samsung Electronics Co., Ltd. | Method and apparatus for multiplexing frequency hopping in a communication system |
US8031649B2 (en) * | 2007-02-16 | 2011-10-04 | Intel Corporation | Systems and methods for arranging MAC layer PDUs in a downlink burst |
PL2680523T3 (pl) | 2007-03-19 | 2018-04-30 | Lg Electronics, Inc. | Sposób i aparat do nadawania/odbioru informacji o przydziale zasobów w systemie komunikacji mobilnej |
KR101049138B1 (ko) | 2007-03-19 | 2011-07-15 | 엘지전자 주식회사 | 이동 통신 시스템에서, 수신확인신호 수신 방법 |
US8111731B2 (en) * | 2007-04-04 | 2012-02-07 | Texas Instruments Incorported | Block scrambling for orthogonal frequency division multiple access |
GB0708344D0 (en) * | 2007-04-30 | 2007-06-06 | Nokia Siemens Networks Oy | Data modulation in a communication system |
US8369299B2 (en) * | 2007-05-07 | 2013-02-05 | Qualcomm Incorporated | Method and apparatus for multiplexing CDM pilot and FDM data |
KR100913090B1 (ko) * | 2007-06-13 | 2009-08-21 | 엘지전자 주식회사 | 통신 시스템에서 확산 신호를 송신하는 방법 |
KR100908063B1 (ko) | 2007-06-13 | 2009-07-15 | 엘지전자 주식회사 | 이동 통신 시스템에서 확산신호를 송신하는 방법 |
KR100900289B1 (ko) | 2007-06-21 | 2009-05-29 | 엘지전자 주식회사 | 직교 주파수 분할 다중화 시스템에서 제어 채널을 송수신하는 방법 |
US20090022178A1 (en) * | 2007-07-16 | 2009-01-22 | Qualcomm Incorporated | Methods and systems for adaptive transmission of control information in a wireless communication system |
KR100930716B1 (ko) * | 2007-10-17 | 2009-12-09 | 한국전자통신연구원 | 신호 전송 방법 및 신호 수신 방법 |
US8355921B2 (en) * | 2008-06-13 | 2013-01-15 | Nokia Corporation | Method, apparatus and computer program product for providing improved audio processing |
KR20100008150A (ko) * | 2008-07-15 | 2010-01-25 | 삼성전자주식회사 | 광대역 무선통신 시스템에서 복합 자동 재전송 요청 재결합이득을 향상시키기 위한 장치 및 방법 |
US8670376B2 (en) * | 2008-08-12 | 2014-03-11 | Qualcomm Incorporated | Multi-carrier grant design |
KR101733489B1 (ko) * | 2010-01-17 | 2017-05-24 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치 |
EP2541858B1 (en) * | 2010-04-04 | 2018-11-07 | LG Electronics Inc. | Method and apparatus for transmitting control information in wireless communication system |
US8843076B2 (en) * | 2010-07-06 | 2014-09-23 | Intel Corporation | Device, system and method of wireless communication over a beamformed communication link |
US8891438B2 (en) * | 2010-09-08 | 2014-11-18 | Intel Corporation | Packet-data network and methods for RAN-agnostic multimedia content distribution |
KR101099345B1 (ko) | 2010-12-01 | 2011-12-26 | 엘지전자 주식회사 | 무선랜 시스템에서 채널 사운딩 방법 및 장치 |
US20150098369A1 (en) * | 2012-05-11 | 2015-04-09 | Optis Wireless Technology, Llc | Reference signal design for special subframe configurations |
US9179352B2 (en) | 2012-06-13 | 2015-11-03 | All Purpose Networks LLC | Efficient delivery of real-time synchronous services over a wireless network |
US9179392B2 (en) | 2012-06-13 | 2015-11-03 | All Purpose Networks LLC | Efficient delivery of real-time asynchronous services over a wireless network |
US9219541B2 (en) | 2012-06-13 | 2015-12-22 | All Purpose Networks LLC | Baseband data transmission and reception in an LTE wireless base station employing periodically scanning RF beam forming techniques |
US9137675B2 (en) | 2012-06-13 | 2015-09-15 | All Purpose Networks LLC | Operational constraints in LTE TDD systems using RF agile beam forming techniques |
US9179354B2 (en) | 2012-06-13 | 2015-11-03 | All Purpose Networks LLC | Efficient delivery of real-time synchronous services over a wireless network |
US9125123B2 (en) | 2012-06-13 | 2015-09-01 | All Purpose Networks LLC | Efficient delivery of real-time asynchronous services over a wireless network |
US9107094B2 (en) | 2012-06-13 | 2015-08-11 | All Purpose Networks LLC | Methods and systems of an all purpose broadband network |
US9125064B2 (en) | 2012-06-13 | 2015-09-01 | All Purpose Networks LLC | Efficient reduction of inter-cell interference using RF agile beam forming techniques |
US9144075B2 (en) | 2012-06-13 | 2015-09-22 | All Purpose Networks LLC | Baseband data transmission and reception in an LTE wireless base station employing periodically scanning RF beam forming techniques |
US9084155B2 (en) | 2012-06-13 | 2015-07-14 | All Purpose Networks LLC | Optimized broadband wireless network performance through base station application server |
US9131385B2 (en) | 2012-06-13 | 2015-09-08 | All Purpose Networks LLC | Wireless network based sensor data collection, processing, storage, and distribution |
US9084143B2 (en) | 2012-06-13 | 2015-07-14 | All Purpose Networks LLC | Network migration queuing service in a wireless network |
US9503927B2 (en) | 2012-06-13 | 2016-11-22 | All Purpose Networks LLC | Multiple-use wireless network |
US8565689B1 (en) | 2012-06-13 | 2013-10-22 | All Purpose Networks LLC | Optimized broadband wireless network performance through base station application server |
US9144082B2 (en) | 2012-06-13 | 2015-09-22 | All Purpose Networks LLC | Locating and tracking user equipment in the RF beam areas of an LTE wireless system employing agile beam forming techniques |
US9882950B2 (en) | 2012-06-13 | 2018-01-30 | All Purpose Networks LLC | Methods and systems of an all purpose broadband network |
US9094803B2 (en) | 2012-06-13 | 2015-07-28 | All Purpose Networks LLC | Wireless network based sensor data collection, processing, storage, and distribution |
US9644991B2 (en) | 2012-10-01 | 2017-05-09 | Cooper Technologies Company | System and method for support of one-way endpoints in two-way wireless networks |
US9014307B2 (en) | 2013-02-25 | 2015-04-21 | Itron, Inc. | Radio to analog-to-digital sample rate decoupled from digital subsystem |
US9252998B2 (en) | 2013-02-25 | 2016-02-02 | Itron, Inc. | Radio to detect and compensate for frequency misalignment |
US9426680B2 (en) | 2013-02-25 | 2016-08-23 | Itron, Inc. | Real-time radio spectrum assessment engine |
US8913701B2 (en) | 2013-02-25 | 2014-12-16 | Itron, Inc. | Multichannel radio receiver with overlapping channel filters |
US8958506B2 (en) | 2013-02-25 | 2015-02-17 | Itron, Inc. | FSK/MSK decoder |
US8934532B2 (en) | 2013-02-25 | 2015-01-13 | Itron, Inc. | Simultaneous reception of multiple modulation schemes |
EP2974186B1 (en) * | 2013-03-15 | 2023-06-28 | Robert Bosch GmbH | Method and system for robust real-time wireless industrial communication |
WO2015069092A1 (en) * | 2013-11-11 | 2015-05-14 | Lg Electronics Inc. | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals |
US9699708B2 (en) | 2014-01-17 | 2017-07-04 | Cooper Technologies Company | Dynamically-selectable multi-modal modulation in wireless multihop networks |
US9992124B2 (en) | 2015-10-09 | 2018-06-05 | Itron, Inc. | Multi-channel decoder architecture |
US10506662B2 (en) * | 2016-05-10 | 2019-12-10 | Qualcomm Incorporated | Internet-of-Things design for unlicensed spectrum |
CN112737753B (zh) * | 2017-06-09 | 2022-02-15 | 华为技术有限公司 | 一种信号传输方法、相关设备及系统 |
US10827019B2 (en) | 2018-01-08 | 2020-11-03 | All Purpose Networks, Inc. | Publish-subscribe broker network overlay system |
EP3662370B1 (en) | 2018-01-08 | 2023-12-27 | All Purpose Networks, Inc. | Internet of things system with efficient and secure communications network |
Family Cites Families (873)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4393276A (en) | 1981-03-19 | 1983-07-12 | Bell Telephone Laboratories, Incorporated | Fourier masking analog signal secure communication system |
FR2527871B1 (fr) | 1982-05-27 | 1986-04-11 | Thomson Csf | Systeme de radiocommunications, a sauts de frequence |
SU1320883A1 (ru) | 1985-02-06 | 1987-06-30 | Предприятие П/Я Р-6707 | Устройство дл восстановлени временных интервалов цифровых сигналов,принимаемых из канала с ограниченной полосой пропускани |
FR2584884B1 (fr) | 1985-07-09 | 1987-10-09 | Trt Telecom Radio Electr | Procede et dispositif de recherche de canal libre pour un systeme de radio mobile |
JPS6216639A (ja) | 1985-07-16 | 1987-01-24 | Kokusai Denshin Denwa Co Ltd <Kdd> | 秘話音声信号送出装置 |
JPS6290045A (ja) | 1985-10-16 | 1987-04-24 | Kokusai Denshin Denwa Co Ltd <Kdd> | Fdma通信方式における周波数割当方式 |
US5008900A (en) | 1989-08-14 | 1991-04-16 | International Mobile Machines Corporation | Subscriber unit for wireless digital subscriber communication system |
FR2652452B1 (fr) | 1989-09-26 | 1992-03-20 | Europ Agence Spatiale | Dispositif d'alimentation d'une antenne a faisceaux multiples. |
JPH04111544A (ja) | 1990-08-31 | 1992-04-13 | Nippon Telegr & Teleph Corp <Ntt> | 無線チャネル割当方法 |
US5257399A (en) | 1990-11-28 | 1993-10-26 | Telefonaktiebolaget L M Ericsson | Multiple access handling in a cellular communications system |
US5253270A (en) | 1991-07-08 | 1993-10-12 | Hal Communications | Apparatus useful in radio communication of digital data using minimal bandwidth |
US5455839A (en) | 1991-12-27 | 1995-10-03 | Motorola, Inc. | Device and method for precoding |
JP2904986B2 (ja) | 1992-01-31 | 1999-06-14 | 日本放送協会 | 直交周波数分割多重ディジタル信号送信装置および受信装置 |
US5384810A (en) | 1992-02-05 | 1995-01-24 | At&T Bell Laboratories | Modulo decoder |
US5363408A (en) | 1992-03-24 | 1994-11-08 | General Instrument Corporation | Mode selective quadrature amplitude modulation communication system |
US5282222A (en) | 1992-03-31 | 1994-01-25 | Michel Fattouche | Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum |
GB9209027D0 (en) | 1992-04-25 | 1992-06-17 | British Aerospace | Multi purpose digital signal regenerative processing apparatus |
US5268694A (en) | 1992-07-06 | 1993-12-07 | Motorola, Inc. | Communication system employing spectrum reuse on a spherical surface |
FR2693861A1 (fr) | 1992-07-16 | 1994-01-21 | Philips Electronique Lab | Récepteur de signaux à répartition multiplexée de fréquences orthogonales muni d'un dispositif de synchronisation de fréquences. |
US5604744A (en) | 1992-10-05 | 1997-02-18 | Telefonaktiebolaget Lm Ericsson | Digital control channels having logical channels for multiple access radiocommunication |
US5404355A (en) | 1992-10-05 | 1995-04-04 | Ericsson Ge Mobile Communications, Inc. | Method for transmitting broadcast information in a digital control channel |
US5768276A (en) | 1992-10-05 | 1998-06-16 | Telefonaktiebolaget Lm Ericsson | Digital control channels having logical channels supporting broadcast SMS |
US5603081A (en) | 1993-11-01 | 1997-02-11 | Telefonaktiebolaget Lm Ericsson | Method for communicating in a wireless communication system |
JP2942913B2 (ja) | 1993-06-10 | 1999-08-30 | ケイディディ株式会社 | 相手認証/暗号鍵配送方式 |
EP0705512B1 (en) | 1993-06-18 | 1997-10-01 | Qualcomm Incorporated | Method and apparatus for determining the data rate of a received signal |
US5870393A (en) | 1995-01-20 | 1999-02-09 | Hitachi, Ltd. | Spread spectrum communication system and transmission power control method therefor |
JPH0746248A (ja) | 1993-07-30 | 1995-02-14 | Toshiba Corp | 無線通信システム |
US6501810B1 (en) | 1998-10-13 | 2002-12-31 | Agere Systems Inc. | Fast frame synchronization |
US5594738A (en) | 1993-10-18 | 1997-01-14 | Motorola, Inc. | Time slot allocation method |
ZA948134B (en) | 1993-10-28 | 1995-06-13 | Quaqlcomm Inc | Method and apparatus for performing handoff between sectors of a common base station |
US5410538A (en) | 1993-11-09 | 1995-04-25 | At&T Corp. | Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system |
DE69434353T2 (de) | 1993-12-22 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Mehrträger-Frequenzsprungkommunikationssystem |
US5465253A (en) | 1994-01-04 | 1995-11-07 | Motorola, Inc. | Method and apparatus for demand-assigned reduced-rate out-of-band signaling channel |
US5469471A (en) | 1994-02-01 | 1995-11-21 | Qualcomm Incorporated | Method and apparatus for providing a communication link quality indication |
GB9402942D0 (en) | 1994-02-16 | 1994-04-06 | Northern Telecom Ltd | Base station antenna arrangement |
US5513379A (en) | 1994-05-04 | 1996-04-30 | At&T Corp. | Apparatus and method for dynamic resource allocation in wireless communication networks utilizing ordered borrowing |
US5603096A (en) | 1994-07-11 | 1997-02-11 | Qualcomm Incorporated | Reverse link, closed loop power control in a code division multiple access system |
US5583869A (en) | 1994-09-30 | 1996-12-10 | Motorola, Inc. | Method for dynamically allocating wireless communication resources |
CZ9700881A3 (cs) | 1994-10-27 | 2001-11-14 | International Business Machines Corporation | Způsob zajiątění identifikace pohyblivého uľivatele v komunikačním systému a přenosný vstupní přístroj k provádění tohoto způsobu |
JP3437291B2 (ja) | 1994-11-14 | 2003-08-18 | キヤノン株式会社 | 再生装置および再生方法 |
US6169910B1 (en) | 1994-12-30 | 2001-01-02 | Focused Energy Holding Inc. | Focused narrow beam communication system |
US5684491A (en) | 1995-01-27 | 1997-11-04 | Hazeltine Corporation | High gain antenna systems for cellular use |
JPH08288927A (ja) | 1995-04-17 | 1996-11-01 | Oki Electric Ind Co Ltd | スペクトル拡散通信方式及びスペクトル拡散通信装置 |
DE69534445T2 (de) | 1995-04-28 | 2006-04-27 | Alcatel | Verfahren zur TDMA-Verwaltung, Zentralstation, Teilnehmerstation und Netzwerk zur Ausführung des Verfahrens |
US5612978A (en) | 1995-05-30 | 1997-03-18 | Motorola, Inc. | Method and apparatus for real-time adaptive interference cancellation in dynamic environments |
US6215983B1 (en) | 1995-06-02 | 2001-04-10 | Trw Inc. | Method and apparatus for complex phase equalization for use in a communication system |
US6535666B1 (en) | 1995-06-02 | 2003-03-18 | Trw Inc. | Method and apparatus for separating signals transmitted over a waveguide |
US6018317A (en) | 1995-06-02 | 2000-01-25 | Trw Inc. | Cochannel signal processing system |
US5726978A (en) | 1995-06-22 | 1998-03-10 | Telefonaktiebolaget L M Ericsson Publ. | Adaptive channel allocation in a frequency division multiplexed system |
FI99252C (fi) | 1995-07-03 | 1997-12-29 | Nokia Mobile Phones Ltd | Yhdistetty radiosignaalin modulointi- ja monikäyttömenetelmä |
US6154484A (en) | 1995-09-06 | 2000-11-28 | Solana Technology Development Corporation | Method and apparatus for embedding auxiliary data in a primary data signal using frequency and time domain processing |
US5815488A (en) | 1995-09-28 | 1998-09-29 | Cable Television Laboratories, Inc. | Multiple user access method using OFDM |
DE69633705T2 (de) | 1995-11-16 | 2006-02-02 | Ntt Mobile Communications Network Inc. | Verfahren zum Erfassen eines digitalen Signals und Detektor |
JPH09139725A (ja) | 1995-11-16 | 1997-05-27 | Matsushita Electric Ind Co Ltd | 多重通信装置 |
US5887023A (en) | 1995-11-29 | 1999-03-23 | Nec Corporation | Method and apparatus for a frequency hopping-spread spectrum communication system |
JP2812318B2 (ja) | 1995-11-29 | 1998-10-22 | 日本電気株式会社 | スペクトラム拡散通信方法及び装置 |
KR0150275B1 (ko) | 1995-12-22 | 1998-11-02 | 양승택 | 멀티캐스트 통신의 폭주 제어방법 |
EP0786889B1 (en) | 1996-02-02 | 2002-04-17 | Deutsche Thomson-Brandt Gmbh | Method for the reception of multicarrier signals and related apparatus |
US6088592A (en) | 1996-03-25 | 2000-07-11 | Airnet Communications Corporation | Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems |
US6134215A (en) | 1996-04-02 | 2000-10-17 | Qualcomm Incorpoated | Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel |
US5822368A (en) | 1996-04-04 | 1998-10-13 | Lucent Technologies Inc. | Developing a channel impulse response by using distortion |
JPH09281508A (ja) | 1996-04-12 | 1997-10-31 | Semiconductor Energy Lab Co Ltd | 液晶表示装置およびその作製方法 |
GB9609148D0 (en) | 1996-05-01 | 1996-07-03 | Plessey Telecomm | Multi-party communication |
US5790537A (en) | 1996-05-15 | 1998-08-04 | Mcgill University | Interference suppression in DS-CDMA systems |
DE69705356T2 (de) | 1996-05-17 | 2002-05-02 | Motorola Ltd | Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges |
US5926470A (en) | 1996-05-22 | 1999-07-20 | Qualcomm Incorporated | Method and apparatus for providing diversity in hard handoff for a CDMA system |
GB9611146D0 (en) | 1996-05-29 | 1996-07-31 | Philips Electronics Nv | Method of, and system for, transmitting messages |
US5732113A (en) | 1996-06-20 | 1998-03-24 | Stanford University | Timing and frequency synchronization of OFDM signals |
KR980007105A (ko) | 1996-06-28 | 1998-03-30 | 김광호 | 이동국 송신전력 제어방법 |
US6909797B2 (en) | 1996-07-10 | 2005-06-21 | R2 Technology, Inc. | Density nodule detection in 3-D digital images |
US6058309A (en) | 1996-08-09 | 2000-05-02 | Nortel Networks Corporation | Network directed system selection for cellular and PCS enhanced roaming |
US6141317A (en) | 1996-08-22 | 2000-10-31 | Tellabs Operations, Inc. | Apparatus and method for bandwidth management in a multi-point OFDM/DMT digital communications system |
US6233456B1 (en) | 1996-09-27 | 2001-05-15 | Qualcomm Inc. | Method and apparatus for adjacent coverage area handoff in communication systems |
JP3444114B2 (ja) | 1996-11-22 | 2003-09-08 | ソニー株式会社 | 通信方法、基地局及び端末装置 |
US5956642A (en) | 1996-11-25 | 1999-09-21 | Telefonaktiebolaget L M Ericsson | Adaptive channel allocation method and apparatus for multi-slot, multi-carrier communication system |
US6061337A (en) | 1996-12-02 | 2000-05-09 | Lucent Technologies Inc. | System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site |
EP0848563A3 (en) | 1996-12-11 | 2000-01-05 | Texas Instruments Incorporated | Improvements in or relating to telecommunication systems |
KR100221336B1 (ko) | 1996-12-28 | 1999-09-15 | 전주범 | 직교 주파수 분할 다중화 수신 시스템의 프레임 동기 장치 및 그 방법 |
US5953325A (en) | 1997-01-02 | 1999-09-14 | Telefonaktiebolaget L M Ericsson (Publ) | Forward link transmission mode for CDMA cellular communications system using steerable and distributed antennas |
US6232918B1 (en) | 1997-01-08 | 2001-05-15 | Us Wireless Corporation | Antenna array calibration in wireless communication systems |
US6173007B1 (en) | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
US5933421A (en) | 1997-02-06 | 1999-08-03 | At&T Wireless Services Inc. | Method for frequency division duplex communications |
US5920571A (en) | 1997-02-07 | 1999-07-06 | Lucent Technologies Inc. | Frequency channel and time slot assignments in broadband access networks |
US6335922B1 (en) | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
WO1998037706A2 (en) | 1997-02-21 | 1998-08-27 | Motorola Inc. | Method and apparatus for allocating spectral resources in a wireless communication system |
US6359923B1 (en) | 1997-12-18 | 2002-03-19 | At&T Wireless Services, Inc. | Highly bandwidth efficient communications |
US6584144B2 (en) | 1997-02-24 | 2003-06-24 | At&T Wireless Services, Inc. | Vertical adaptive antenna array for a discrete multitone spread spectrum communications system |
US5838268A (en) | 1997-03-14 | 1998-11-17 | Orckit Communications Ltd. | Apparatus and methods for modulation and demodulation of data |
US5974310A (en) | 1997-03-20 | 1999-10-26 | Omnipoint Corporation | Communication control for a user of a central communication center |
FI104610B (fi) | 1997-03-27 | 2000-02-29 | Nokia Networks Oy | Ohjauskanavan allokointi pakettiradioverkossa |
US6175550B1 (en) | 1997-04-01 | 2001-01-16 | Lucent Technologies, Inc. | Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof |
KR100242421B1 (ko) | 1997-04-14 | 2000-02-01 | 윤종용 | 디지털 이동 통신시스템의 파이롯트 피엔 오프셋 할당 방법 |
FI106605B (fi) | 1997-04-16 | 2001-02-28 | Nokia Networks Oy | Autentikointimenetelmä |
US6076114A (en) | 1997-04-18 | 2000-06-13 | International Business Machines Corporation | Methods, systems and computer program products for reliable data transmission over communications networks |
FI105136B (fi) | 1997-04-21 | 2000-06-15 | Nokia Mobile Phones Ltd | Yleinen pakettiradiopalvelu |
FI104939B (fi) | 1997-04-23 | 2000-04-28 | Nokia Networks Oy | Merkinannon toteutus tietoliikenneverkossa |
EP1863201A3 (en) | 1997-04-24 | 2014-03-19 | Ntt Mobile Communications Network Inc. | Method and system for mobile communications |
KR100241894B1 (ko) | 1997-05-07 | 2000-02-01 | 윤종용 | 개인통신 시스템의 코드분할 접속방식 기지국 시스템에서 소프트웨어 관리방법 |
US6075814A (en) | 1997-05-09 | 2000-06-13 | Broadcom Homenetworking, Inc. | Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem |
FI105063B (fi) | 1997-05-16 | 2000-05-31 | Nokia Networks Oy | Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä |
JP2879030B2 (ja) | 1997-05-16 | 1999-04-05 | 株式会社次世代デジタルテレビジョン放送システム研究所 | Ofdm送信装置及び受信装置とofdm送信方法及び受信方法 |
US6374115B1 (en) | 1997-05-28 | 2002-04-16 | Transcrypt International/E.F. Johnson | Method and apparatus for trunked radio repeater communications with backwards compatibility |
EP1811802B1 (en) | 1997-05-30 | 2008-12-17 | QUALCOMM Incorporated | Repeated single bit paging indicator via PICH channels in WCDMA wireless Terminals. |
SE9702271D0 (sv) | 1997-06-13 | 1997-06-13 | Ericsson Telefon Ab L M | Återanvändning av fysisk kontrollkanal i ett distribuerat cellulärt radiokommunikationssystem |
US6052364A (en) | 1997-06-13 | 2000-04-18 | Comsat Corporation | CDMA system architecture for satcom terminals |
US6151296A (en) | 1997-06-19 | 2000-11-21 | Qualcomm Incorporated | Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals |
US5867478A (en) | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
US6240129B1 (en) | 1997-07-10 | 2001-05-29 | Alcatel | Method and windowing unit to reduce leakage, fourier transformer and DMT modem wherein the unit is used |
US6038150A (en) | 1997-07-23 | 2000-03-14 | Yee; Hsian-Pei | Transistorized rectifier for a multiple output converter |
US6038263A (en) | 1997-07-31 | 2000-03-14 | Motorola, Inc. | Method and apparatus for transmitting signals in a communication system |
US6307849B1 (en) | 1997-09-08 | 2001-10-23 | Qualcomm Incorporated | Method and system for changing forward traffic channel power allocation during soft handoff |
KR100365346B1 (ko) | 1997-09-09 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법 |
US6038450A (en) | 1997-09-12 | 2000-03-14 | Lucent Technologies, Inc. | Soft handover system for a multiple sub-carrier communication system and method thereof |
US6377809B1 (en) | 1997-09-16 | 2002-04-23 | Qualcomm Incorporated | Channel structure for communication systems |
US6577739B1 (en) | 1997-09-19 | 2003-06-10 | University Of Iowa Research Foundation | Apparatus and methods for proportional audio compression and frequency shifting |
US6058105A (en) | 1997-09-26 | 2000-05-02 | Lucent Technologies Inc. | Multiple antenna communication system and method thereof |
US6075797A (en) | 1997-10-17 | 2000-06-13 | 3Com Corporation | Method and system for detecting mobility of a wireless-capable modem to minimize data transfer rate renegotiations |
KR100369602B1 (ko) | 1997-11-03 | 2003-04-11 | 삼성전자 주식회사 | 부호분할다중접속방식이동통신시스템의전력제어비트삽입방법 |
US7184426B2 (en) | 2002-12-12 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for burst pilot for a time division multiplex system |
US5995992A (en) | 1997-11-17 | 1999-11-30 | Bull Hn Information Systems Inc. | Conditional truncation indicator control for a decimal numeric processor employing result truncation |
US6108323A (en) | 1997-11-26 | 2000-08-22 | Nokia Mobile Phones Limited | Method and system for operating a CDMA cellular system having beamforming antennas |
US5971484A (en) | 1997-12-03 | 1999-10-26 | Steelcase Development Inc. | Adjustable armrest for chairs |
US6067315A (en) | 1997-12-04 | 2000-05-23 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for coherently-averaged power estimation |
US6563806B1 (en) | 1997-12-12 | 2003-05-13 | Hitachi, Ltd. | Base station for multi-carrier TDMA mobile communication system and method for assigning communication channels |
US6222832B1 (en) | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US6393008B1 (en) | 1997-12-23 | 2002-05-21 | Nokia Movile Phones Ltd. | Control structures for contention-based packet data services in wideband CDMA |
JPH11191756A (ja) | 1997-12-25 | 1999-07-13 | Nec Corp | Phs(登録商標)によるデータ通信装置及び方法 |
JPH11196109A (ja) | 1997-12-26 | 1999-07-21 | Canon Inc | 無線情報通信システム |
DE19800653A1 (de) | 1998-01-09 | 1999-07-15 | Albert M Huber | Vorrichtung zum Abtrennen von Partikeln, oder von Partikeln und Gasen, oder von Fluiden anderer Dichte aus Flüssigkeiten, oder Suspensionen, oder Emulsionen, die ein feststehendes Gehäuse besitzt und mit Hilfe der Zentrifugalkraft separiert und auch diese obengenannten Medien durch diese Vorrichtung und eventuell nachgeschaltete Mittel fördert |
DE19800953C1 (de) | 1998-01-13 | 1999-07-29 | Siemens Ag | Verfahren und Funk-Kommunikationssystem zur Zuteilung von Funkressourcen einer Funkschnittstelle |
US6175650B1 (en) | 1998-01-26 | 2001-01-16 | Xerox Corporation | Adaptive quantization compatible with the JPEG baseline sequential mode |
US5955992A (en) | 1998-02-12 | 1999-09-21 | Shattil; Steve J. | Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
KR100290679B1 (ko) | 1998-02-14 | 2001-05-15 | 윤종용 | 전용제어채널을 구비하는 이동통신 시스템의 데이타 통신장치 |
JP3589851B2 (ja) | 1998-02-20 | 2004-11-17 | 株式会社日立製作所 | パケット通信システム及びパケット通信装置 |
JP3199020B2 (ja) | 1998-02-27 | 2001-08-13 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
CN1298616A (zh) | 1998-02-27 | 2001-06-06 | 西门子公司 | 具有无线的在移动和/或静止发射/接收设备之间基于码分多址和时分多址通信的通信系统 |
JP2002505544A (ja) | 1998-02-27 | 2002-02-19 | シーメンス アクチエンゲゼルシヤフト | 符号多重化および時分割多重化に基づき無線遠隔通信を移動および/または定置の送信機器/受信機器間で行う遠隔通信システム |
DE29924422U1 (de) | 1998-03-14 | 2003-03-13 | Samsung Electronics Co Ltd | Vorrichtung zum Austauschen von Rahmen-Nachrichten unterschiedlicher Längen in einem CDMA-Kommunikationssystem |
WO1999049595A1 (en) | 1998-03-23 | 1999-09-30 | Samsung Electronics Co., Ltd. | Power control device and method for controlling a reverse link common channel in a cdma communication system |
EP1068704B1 (en) | 1998-04-03 | 2012-06-13 | Tellabs Operations, Inc. | Filter for impulse response shortening, with additional spectral constraints, for multicarrier transmission |
US6112094A (en) | 1998-04-06 | 2000-08-29 | Ericsson Inc. | Orthogonal frequency hopping pattern re-use scheme |
JPH11298954A (ja) | 1998-04-08 | 1999-10-29 | Hitachi Ltd | 無線通信方法及び無線通信装置 |
US6353620B1 (en) | 1998-04-09 | 2002-03-05 | Ericsson Inc. | System and method for facilitating inter-nodal protocol agreement in a telecommunications |
CN1193517C (zh) | 1998-04-21 | 2005-03-16 | 汤姆森多媒体公司 | 包含无线信道的家庭通信网络中的传输方法 |
US6567425B1 (en) | 1998-04-23 | 2003-05-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Bearer independent signaling protocol |
US6075350A (en) | 1998-04-24 | 2000-06-13 | Lockheed Martin Energy Research Corporation | Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering |
US6198775B1 (en) | 1998-04-28 | 2001-03-06 | Ericsson Inc. | Transmit diversity method, systems, and terminals using scramble coding |
JP3955680B2 (ja) | 1998-05-12 | 2007-08-08 | 株式会社エヌ・ティ・ティ・ドコモ | 時分割通信方式の移動通信システムにおける無線チャネルアクセス方法、その方法を使用する基地局及び移動局 |
KR100383575B1 (ko) | 1998-05-12 | 2004-06-26 | 삼성전자주식회사 | 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 |
BR9906499A (pt) | 1998-05-12 | 2000-09-26 | Samsung Electronics Co Ltd Soc | Processo e dispositivo para a redução da razão de energia de pico para média da energia de transmissão de uma estação móvel em um sistema de comunicação móvel. |
GB2337414A (en) | 1998-05-14 | 1999-11-17 | Fujitsu Ltd | Soft handoff in cellular communications networks |
KR100291476B1 (ko) | 1998-05-25 | 2001-07-12 | 윤종용 | 파일럿측정요구명령제어방법및시스템 |
JP2000004215A (ja) | 1998-06-16 | 2000-01-07 | Matsushita Electric Ind Co Ltd | 送受信システム |
JP3092798B2 (ja) | 1998-06-30 | 2000-09-25 | 日本電気株式会社 | 適応送受信装置 |
JP2000022618A (ja) | 1998-07-03 | 2000-01-21 | Hitachi Ltd | 基地局およびアンテナビームの制御方法 |
RU2141706C1 (ru) | 1998-07-06 | 1999-11-20 | Военная академия связи | Способ и устройство адаптивной пространственной фильтрации сигналов |
KR100318959B1 (ko) | 1998-07-07 | 2002-04-22 | 윤종용 | 부호분할다중접속통신시스템의서로다른부호간의간섭을제거하는장치및방법 |
US6621809B1 (en) | 1998-07-12 | 2003-09-16 | Samsung Electronics Co., Ltd. | Device and method for gating transmission in a CDMA mobile communication system |
US6563881B1 (en) | 1998-07-13 | 2003-05-13 | Sony Corporation | Communication method and transmitter with transmission symbols arranged at intervals on a frequency axis |
BR9906601A (pt) | 1998-07-16 | 2000-11-21 | Samsung Electric | Dispositivos e processos de processamento de dados de pacote para uma estação base e para uma estação móvel em um sistema de comunicação móvel cdma, e, processo para maximizar a saìda de dados de pacote em um sistema de comunicação móvel |
US6636525B1 (en) | 1998-08-19 | 2003-10-21 | International Business Machines Corporation | Destination dependent coding for discrete multi-tone modulation |
KR100429540B1 (ko) | 1998-08-26 | 2004-08-09 | 삼성전자주식회사 | 이동통신시스템의패킷데이터통신장치및방법 |
US6798736B1 (en) | 1998-09-22 | 2004-09-28 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
JP2000102065A (ja) | 1998-09-24 | 2000-04-07 | Toshiba Corp | 無線通信基地局装置 |
CA2282942A1 (en) | 1998-11-09 | 2000-05-09 | Lucent Technologies Inc. | Efficient authentication with key update |
US6542485B1 (en) | 1998-11-25 | 2003-04-01 | Lucent Technologies Inc. | Methods and apparatus for wireless communication using time division duplex time-slotted CDMA |
US6473399B1 (en) | 1998-11-30 | 2002-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for determining an optimum timeout under varying data rates in an RLC wireless system which uses a PDU counter |
DE69815113T2 (de) | 1998-12-04 | 2004-04-08 | Lucent Technologies Inc. | Fehlerverschleierung und -korrektur für Sprach-, Bild- und Videosignale |
US6590881B1 (en) | 1998-12-04 | 2003-07-08 | Qualcomm, Incorporated | Method and apparatus for providing wireless communication system synchronization |
JP2000184425A (ja) | 1998-12-15 | 2000-06-30 | Toshiba Corp | 無線通信基地局装置 |
GB2345612B (en) | 1998-12-31 | 2003-09-03 | Nokia Mobile Phones Ltd | Measurement report transmission in a telecommunications system |
US6654429B1 (en) | 1998-12-31 | 2003-11-25 | At&T Corp. | Pilot-aided channel estimation for OFDM in wireless systems |
EP1705852B1 (en) | 1999-01-08 | 2010-02-10 | Sony Deutschland Gmbh | Synchronisation symbol structure for OFDM system |
US6229795B1 (en) | 1999-01-13 | 2001-05-08 | Qualcomm Incorporated | System for allocating resources in a communication system |
US6393012B1 (en) | 1999-01-13 | 2002-05-21 | Qualcomm Inc. | System for allocating resources in a communication system |
EP1021019A1 (en) | 1999-01-15 | 2000-07-19 | Sony International (Europe) GmbH | Quasi-differential modulation/demodulation method for multi-amplitude digital modulated signals and OFDM system |
US6584140B1 (en) | 1999-01-22 | 2003-06-24 | Systems Information And Electronic Systems Integration Inc. | Spectrum efficient fast frequency-hopped modem with coherent demodulation |
US6160651A (en) | 1999-01-25 | 2000-12-12 | Telcordia Technologies, Inc. | Optical layer survivability and security system using optical label switching and high-speed optical header reinsertion |
US6388998B1 (en) | 1999-02-04 | 2002-05-14 | Lucent Technologies Inc. | Reuse of codes and spectrum in a CDMA system with multiple-sector cells |
US6256478B1 (en) | 1999-02-18 | 2001-07-03 | Eastman Kodak Company | Dynamic packet sizing in an RF communications system |
US6597746B1 (en) | 1999-02-18 | 2003-07-22 | Globespanvirata, Inc. | System and method for peak to average power ratio reduction |
CA2262315A1 (en) | 1999-02-19 | 2000-08-19 | Northern Telecom Limited | Joint optimal power balance for coded/tdm constituent data channels |
US6259918B1 (en) | 1999-02-26 | 2001-07-10 | Telefonaktiebolaget Lm (Publ) | Preservation of cell borders at hand-off within a smart antenna cellular system |
US6487243B1 (en) | 1999-03-08 | 2002-11-26 | International Business Machines Corporation | Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems |
US6317435B1 (en) | 1999-03-08 | 2001-11-13 | Qualcomm Incorporated | Method and apparatus for maximizing the use of available capacity in a communication system |
US6987746B1 (en) | 1999-03-15 | 2006-01-17 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
US6693952B1 (en) | 1999-03-16 | 2004-02-17 | Lucent Technologies Inc. | Dynamic code allocation for downlink shared channels |
KR20000060428A (ko) | 1999-03-16 | 2000-10-16 | 윤종용 | 코드분할다중접속 시스템에서 기지국간 직접 연결을 이용한 소프트/소프터 핸드오프의 강화 방법 |
US7151761B1 (en) | 1999-03-19 | 2006-12-19 | Telefonaktiebolaget L M Ericsson (Publ) | Code reservation for interference measurement in a CDMA radiocommunication system |
US6483820B1 (en) | 1999-03-22 | 2002-11-19 | Ericsson Inc. | System and method for dynamic radio resource allocation for non-transparent high-speed circuit-switched data services |
US6430401B1 (en) | 1999-03-29 | 2002-08-06 | Lucent Technologies Inc. | Technique for effectively communicating multiple digital representations of a signal |
GB2348776B (en) | 1999-04-06 | 2003-07-09 | Motorola Ltd | A communications network and method of allocating resource thefor |
US6249683B1 (en) | 1999-04-08 | 2001-06-19 | Qualcomm Incorporated | Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel |
EP1047209A1 (en) | 1999-04-19 | 2000-10-25 | Interuniversitair Micro-Elektronica Centrum Vzw | A method and apparatus for multiuser transmission |
US6937665B1 (en) | 1999-04-19 | 2005-08-30 | Interuniversitaire Micron Elektronica Centrum | Method and apparatus for multi-user transmission |
JP4224168B2 (ja) | 1999-04-23 | 2009-02-12 | パナソニック株式会社 | 基地局装置及びピーク電力抑圧方法 |
US6614857B1 (en) | 1999-04-23 | 2003-09-02 | Lucent Technologies Inc. | Iterative channel estimation and compensation based thereon |
US6490268B1 (en) | 1999-05-12 | 2002-12-03 | Samsung Electronics, Co., Ltd. | Method of providing burst timing for high-speed data transmission in a base station transceiver system of a mobile communication system |
JP3236273B2 (ja) | 1999-05-17 | 2001-12-10 | 三菱電機株式会社 | マルチキャリア伝送システムおよびマルチキャリア変調方法 |
US6674787B1 (en) | 1999-05-19 | 2004-01-06 | Interdigital Technology Corporation | Raising random access channel packet payload |
US6445917B1 (en) | 1999-05-19 | 2002-09-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Mobile station measurements with event-based reporting |
US6674810B1 (en) | 1999-05-27 | 2004-01-06 | 3Com Corporation | Method and apparatus for reducing peak-to-average power ratio in a discrete multi-tone signal |
JP2001057545A (ja) | 1999-06-02 | 2001-02-27 | Texas Instr Inc <Ti> | スペクトラム拡散チャネルの推定方法と装置 |
US6631126B1 (en) | 1999-06-11 | 2003-10-07 | Lucent Technologies Inc. | Wireless communications using circuit-oriented and packet-oriented frame selection/distribution functions |
US6539213B1 (en) | 1999-06-14 | 2003-03-25 | Time Domain Corporation | System and method for impulse radio power control |
FR2794915A1 (fr) | 1999-06-14 | 2000-12-15 | Canon Kk | Procede et dispositif d'emission, procede et dispositif de reception, et systemes les mettant en oeuvre |
US7095708B1 (en) | 1999-06-23 | 2006-08-22 | Cingular Wireless Ii, Llc | Methods and apparatus for use in communicating voice and high speed data in a wireless communication system |
US6363060B1 (en) | 1999-06-30 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for fast WCDMA acquisition |
JP3518426B2 (ja) | 1999-06-30 | 2004-04-12 | Kddi株式会社 | Cdma移動通信システムにおける符号割当方法 |
US6657949B1 (en) | 1999-07-06 | 2003-12-02 | Cisco Technology, Inc. | Efficient request access for OFDM systems |
ES2280237T3 (es) | 1999-07-28 | 2007-09-16 | Ciba Specialty Chemicals Holding Inc. | Granulos solubles en agua de complejos de manganeso del tipo salen. |
US6831943B1 (en) | 1999-08-13 | 2004-12-14 | Texas Instruments Incorporated | Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification |
JP2001069046A (ja) | 1999-08-30 | 2001-03-16 | Fujitsu Ltd | 送受信システムおよび受信装置 |
US6542743B1 (en) | 1999-08-31 | 2003-04-01 | Qualcomm, Incorporated | Method and apparatus for reducing pilot search times utilizing mobile station location information |
US6765969B1 (en) | 1999-09-01 | 2004-07-20 | Motorola, Inc. | Method and device for multi-user channel estimation |
US6928047B1 (en) | 1999-09-11 | 2005-08-09 | The University Of Delaware | Precoded OFDM systems robust to spectral null channels and vector OFDM systems with reduced cyclic prefix length |
US6449246B1 (en) | 1999-09-15 | 2002-09-10 | Telcordia Technologies, Inc. | Multicarrier personal access communication system |
RU2242091C2 (ru) | 1999-10-02 | 2004-12-10 | Самсунг Электроникс Ко., Лтд. | Устройство и способ стробирования данных, передаваемых по каналу управления в системе связи мдкр |
US7006482B1 (en) | 1999-10-02 | 2006-02-28 | Samsung Electronics Co., Ltd. | Apparatus and method for gating data on a control channel in a CDMA communication system |
US6870882B1 (en) | 1999-10-08 | 2005-03-22 | At&T Corp. | Finite-length equalization over multi-input multi-output channels |
US6337659B1 (en) | 1999-10-25 | 2002-01-08 | Gamma Nu, Inc. | Phased array base station antenna system having distributed low power amplifiers |
US6985466B1 (en) * | 1999-11-09 | 2006-01-10 | Arraycomm, Inc. | Downlink signal processing in CDMA systems utilizing arrays of antennae |
US6721568B1 (en) | 1999-11-10 | 2004-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Admission control in a mobile radio communications system |
KR100602022B1 (ko) | 1999-12-15 | 2006-07-20 | 유티스타콤코리아 유한회사 | 이동통신 시스템에서 동기식 기지국과 비동기식 기지국간핸드오프에 필요한 파라메타 전송방법 |
DE60023334T2 (de) | 1999-11-17 | 2006-07-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Beschleunigungsabhängige kanalumschaltung in mobilen telekommunikationsnetzen |
US6466800B1 (en) | 1999-11-19 | 2002-10-15 | Siemens Information And Communication Mobile, Llc | Method and system for a wireless communication system incorporating channel selection algorithm for 2.4 GHz direct sequence spread spectrum cordless telephone system |
JP3289718B2 (ja) | 1999-11-24 | 2002-06-10 | 日本電気株式会社 | 時分割多重アクセス方法及び基準局装置、端末局装置 |
CN100389543C (zh) | 1999-11-29 | 2008-05-21 | 三星电子株式会社 | 在码分多址通信系统中指定公用分组信道的方法 |
DE19957288C1 (de) | 1999-11-29 | 2001-05-10 | Siemens Ag | Verfahren zur Signalisierung einer Funkkanalstruktur in einem Funk-Kommunikationssystem |
US6763009B1 (en) | 1999-12-03 | 2004-07-13 | Lucent Technologies Inc. | Down-link transmission scheduling in CDMA data networks |
US6351499B1 (en) | 1999-12-15 | 2002-02-26 | Iospan Wireless, Inc. | Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter |
US6690951B1 (en) | 1999-12-20 | 2004-02-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic size allocation system and method |
CA2327734A1 (en) | 1999-12-21 | 2001-06-21 | Eta Sa Fabriques D'ebauches | Ultra-thin piezoelectric resonator |
US6628673B1 (en) | 1999-12-29 | 2003-09-30 | Atheros Communications, Inc. | Scalable communication system using overlaid signals and multi-carrier frequency communication |
US6678318B1 (en) | 2000-01-11 | 2004-01-13 | Agere Systems Inc. | Method and apparatus for time-domain equalization in discrete multitone transceivers |
US7463600B2 (en) | 2000-01-20 | 2008-12-09 | Nortel Networks Limited | Frame structure for variable rate wireless channels transmitting high speed data |
US6907020B2 (en) | 2000-01-20 | 2005-06-14 | Nortel Networks Limited | Frame structures supporting voice or streaming communications with high speed data communications in wireless access networks |
US6804307B1 (en) | 2000-01-27 | 2004-10-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for efficient transmit diversity using complex space-time block codes |
KR100387034B1 (ko) | 2000-02-01 | 2003-06-11 | 삼성전자주식회사 | 무선통신 시스템의 패킷데이타 서비스를 위한스케듈링장치 및 방법 |
FI117465B (fi) | 2000-02-03 | 2006-10-31 | Danisco Sweeteners Oy | Menetelmä pureskeltavien ytimien kovapinnoittamiseksi |
US6754511B1 (en) | 2000-02-04 | 2004-06-22 | Harris Corporation | Linear signal separation using polarization diversity |
US6507601B2 (en) | 2000-02-09 | 2003-01-14 | Golden Bridge Technology | Collision avoidance |
GB0002985D0 (en) | 2000-02-09 | 2000-03-29 | Travelfusion Limited | Integrated journey planner |
US6546248B1 (en) | 2000-02-10 | 2003-04-08 | Qualcomm, Incorporated | Method and apparatus for generating pilot strength measurement messages |
JP3826653B2 (ja) | 2000-02-25 | 2006-09-27 | Kddi株式会社 | 無線通信システムのサブキャリア割当方法 |
US6642887B2 (en) | 2000-02-29 | 2003-11-04 | Hrl Laboratories, Llc | Cooperative mobile antenna system |
JP2001245355A (ja) | 2000-03-01 | 2001-09-07 | Mitsubishi Electric Corp | 移動通信におけるパケット伝送システム |
JP2001249802A (ja) | 2000-03-07 | 2001-09-14 | Sony Corp | 伝送方法、伝送システム、伝送制御装置及び入力装置 |
KR100493068B1 (ko) | 2000-03-08 | 2005-06-02 | 삼성전자주식회사 | 이동통신시스템에서 피드백 정보를 이용하는 반맹목적방식의 송신안테나어레이 장치 및 방법 |
DE60029012T2 (de) | 2000-03-15 | 2006-12-07 | Nokia Corp. | Verfahren und vorrichtung für sende-diversity |
US6473467B1 (en) | 2000-03-22 | 2002-10-29 | Qualcomm Incorporated | Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system |
US6940845B2 (en) | 2000-03-23 | 2005-09-06 | At & T, Corp. | Asymmetric measurement-based dynamic packet assignment system and method for wireless data services |
JP2001285927A (ja) | 2000-03-29 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 通信端末装置及び無線通信方法 |
US6493331B1 (en) | 2000-03-30 | 2002-12-10 | Qualcomm Incorporated | Method and apparatus for controlling transmissions of a communications systems |
AU2000238190A1 (en) | 2000-04-07 | 2001-10-23 | Nokia Corporation | Multi-antenna transmission method and system |
US7289570B2 (en) | 2000-04-10 | 2007-10-30 | Texas Instruments Incorporated | Wireless communications |
US6934275B1 (en) | 2000-04-17 | 2005-08-23 | Motorola, Inc. | Apparatus and method for providing separate forward dedicated and shared control channels in a communications system |
US6954481B1 (en) | 2000-04-18 | 2005-10-11 | Flarion Technologies, Inc. | Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems |
US6961364B1 (en) | 2000-04-18 | 2005-11-01 | Flarion Technologies, Inc. | Base station identification in orthogonal frequency division multiplexing based spread spectrum multiple access systems |
US6807146B1 (en) | 2000-04-21 | 2004-10-19 | Atheros Communications, Inc. | Protocols for scalable communication system using overland signals and multi-carrier frequency communication |
AU2001257133A1 (en) | 2000-04-22 | 2001-11-07 | Atheros Communications, Inc. | Multi-carrier communication systems employing variable symbol rates and number of carriers |
US6748220B1 (en) | 2000-05-05 | 2004-06-08 | Nortel Networks Limited | Resource allocation in wireless networks |
US6987729B1 (en) | 2000-05-11 | 2006-01-17 | Lucent Technologies Inc. | Method and apparatus for admission management in wireless communication systems |
FI20001133A (fi) | 2000-05-12 | 2001-11-13 | Nokia Corp | Menetelmä päätelaitteiden ja yhteysaseman välisen tiedonsiirron järjestämiseksi tiedonsiirtojärjestelmässä |
FI20001160A (fi) | 2000-05-15 | 2001-11-16 | Nokia Networks Oy | Pilottisignaalin toteuttamismenetelmä |
DE20023933U1 (de) | 2000-05-17 | 2007-09-27 | Matsushita Electric Industrial Co. Ltd. | Hybride ARQ-Sende- und Empfangsvorrichtung |
US6529525B1 (en) | 2000-05-19 | 2003-03-04 | Motorola, Inc. | Method for supporting acknowledged transport layer protocols in GPRS/edge host application |
CA2310188A1 (en) | 2000-05-30 | 2001-11-30 | Mark J. Frazer | Communication structure with channels configured responsive to reception quality |
GB2363256B (en) | 2000-06-07 | 2004-05-12 | Motorola Inc | Adaptive antenna array and method of controlling operation thereof |
US8223867B2 (en) | 2000-06-09 | 2012-07-17 | Texas Instruments Incorporated | Wireless communications with efficient channel coding |
US7248841B2 (en) | 2000-06-13 | 2007-07-24 | Agee Brian G | Method and apparatus for optimization of wireless multipoint electromagnetic communication networks |
US6701165B1 (en) | 2000-06-21 | 2004-03-02 | Agere Systems Inc. | Method and apparatus for reducing interference in non-stationary subscriber radio units using flexible beam selection |
US6337983B1 (en) | 2000-06-21 | 2002-01-08 | Motorola, Inc. | Method for autonomous handoff in a wireless communication system |
US20020015405A1 (en) | 2000-06-26 | 2002-02-07 | Risto Sepponen | Error correction of important fields in data packet communications in a digital mobile radio network |
JP2002016531A (ja) | 2000-06-27 | 2002-01-18 | Nec Corp | Cdma通信方式及びその方法 |
JP2002026790A (ja) | 2000-07-03 | 2002-01-25 | Matsushita Electric Ind Co Ltd | 無線通信装置及び無線通信方法 |
DE10032426B4 (de) | 2000-07-04 | 2006-01-12 | Siemens Ag | Strahlformungsverfahren |
JP4212353B2 (ja) | 2000-07-11 | 2009-01-21 | 財団法人神奈川科学技術アカデミー | 液状試料の質量分析用プローブ |
IT1318161B1 (it) | 2000-07-14 | 2003-07-23 | Cit Alcatel | Metodo e dispositivo per il recupero di portante in sistemi ofdm |
FR2814301B1 (fr) | 2000-07-17 | 2004-11-12 | Telediffusion De France Tdf | Synchronisation d'un signal amrf |
US7418043B2 (en) | 2000-07-19 | 2008-08-26 | Lot 41 Acquisition Foundation, Llc | Software adaptable high performance multicarrier transmission protocol |
CN1386344A (zh) | 2000-07-26 | 2002-12-18 | 三菱电机株式会社 | 多载波cdma通信装置、多载波cdma发送装置以及多载波cdma接收装置 |
GB2366938B (en) | 2000-08-03 | 2004-09-01 | Orange Personal Comm Serv Ltd | Authentication in a mobile communications network |
DE10039429A1 (de) | 2000-08-11 | 2002-03-07 | Siemens Ag | Verfahren zur Signalübertragung in einem Funk-Kommunikationssystem |
GB0020088D0 (en) | 2000-08-15 | 2000-10-04 | Fujitsu Ltd | Adaptive beam forming |
US6980540B1 (en) | 2000-08-16 | 2005-12-27 | Lucent Technologies Inc. | Apparatus and method for acquiring an uplink traffic channel, in wireless communications systems |
US6487184B1 (en) | 2000-08-25 | 2002-11-26 | Motorola, Inc. | Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel |
US6985434B2 (en) | 2000-09-01 | 2006-01-10 | Nortel Networks Limited | Adaptive time diversity and spatial diversity for OFDM |
US6850481B2 (en) | 2000-09-01 | 2005-02-01 | Nortel Networks Limited | Channels estimation for multiple input—multiple output, orthogonal frequency division multiplexing (OFDM) system |
US6937592B1 (en) | 2000-09-01 | 2005-08-30 | Intel Corporation | Wireless communications system that supports multiple modes of operation |
US6898441B1 (en) | 2000-09-12 | 2005-05-24 | Lucent Technologies Inc. | Communication system having a flexible transmit configuration |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US6694147B1 (en) | 2000-09-15 | 2004-02-17 | Flarion Technologies, Inc. | Methods and apparatus for transmitting information between a basestation and multiple mobile stations |
US6802035B2 (en) | 2000-09-19 | 2004-10-05 | Intel Corporation | System and method of dynamically optimizing a transmission mode of wirelessly transmitted information |
US6842487B1 (en) | 2000-09-22 | 2005-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Cyclic delay diversity for mitigating intersymbol interference in OFDM systems |
US7349371B2 (en) | 2000-09-29 | 2008-03-25 | Arraycomm, Llc | Selecting random access channels |
US6658258B1 (en) | 2000-09-29 | 2003-12-02 | Lucent Technologies Inc. | Method and apparatus for estimating the location of a mobile terminal |
US6778513B2 (en) | 2000-09-29 | 2004-08-17 | Arraycomm, Inc. | Method and apparatus for separting multiple users in a shared-channel communication system |
KR100452536B1 (ko) | 2000-10-02 | 2004-10-12 | 가부시키가이샤 엔.티.티.도코모 | 이동통신기지국 장치 |
JP2002111556A (ja) | 2000-10-02 | 2002-04-12 | Ntt Docomo Inc | 基地局装置 |
US7072315B1 (en) | 2000-10-10 | 2006-07-04 | Adaptix, Inc. | Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks |
FR2815507B1 (fr) | 2000-10-16 | 2003-01-31 | Cit Alcatel | Procede de gestion des ressources radio dans un reseau de telecommunication interactif |
US6704571B1 (en) | 2000-10-17 | 2004-03-09 | Cisco Technology, Inc. | Reducing data loss during cell handoffs |
US6870808B1 (en) | 2000-10-18 | 2005-03-22 | Adaptix, Inc. | Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks |
ATE286057T1 (de) | 2000-10-20 | 2005-01-15 | Sandoz Ag | Pharmazeutische zubereitungen enthaltend clavulansäure |
EP1234392A1 (en) | 2000-10-20 | 2002-08-28 | Samsung Electronics Co., Ltd. | Apparatus and method for determining a data rate of packet data in a mobile communication system |
US6907270B1 (en) | 2000-10-23 | 2005-06-14 | Qualcomm Inc. | Method and apparatus for reduced rank channel estimation in a communications system |
US6788959B2 (en) | 2000-10-30 | 2004-09-07 | Nokia Corporation | Method and apparatus for transmitting and receiving dynamic configuration parameters in a third generation cellular telephone network |
ATE468723T1 (de) | 2000-11-03 | 2010-06-15 | Sony Deutschland Gmbh | Sendeleistungsregelung für ofdm- kommunikationsverbindungen |
US6567387B1 (en) | 2000-11-07 | 2003-05-20 | Intel Corporation | System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit |
ES2281445T3 (es) | 2000-11-07 | 2007-10-01 | Nokia Corporation | Metodo y sistema para planificar en enlace ascendente el trafico de paquetes de datos en un sistema inalambrico. |
US20020090024A1 (en) | 2000-11-15 | 2002-07-11 | Tan Keng Tiong | Method and apparatus for non-linear code-division multiple access technology |
AU2001218574A1 (en) | 2000-11-17 | 2002-05-27 | Nokia Corporation | Method for controlling the data signal weighting in multi-element transceivers and corresponding devices and telecommunications network |
DE60132351T2 (de) | 2000-11-28 | 2009-01-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Teilnehmergerät-abbau mittels eines rufverfahrens in einem zellularen kommunikationssystem |
GB0029424D0 (en) | 2000-12-02 | 2001-01-17 | Koninkl Philips Electronics Nv | Radio communication system |
KR100688107B1 (ko) | 2000-12-15 | 2007-03-02 | 아답틱스, 인코포레이티드 | 직교 주파수 분할 다중 접속을 이용하는 시스템에 대한서브캐리어 선택 방법 |
US20020077152A1 (en) | 2000-12-15 | 2002-06-20 | Johnson Thomas J. | Wireless communication methods and systems using multiple overlapping sectored cells |
MXPA03005311A (es) | 2000-12-15 | 2004-12-02 | Adaptix Inc | Comunicaciones de transportador multiple con configuracion y conmutacion adaptable del grupo. |
US6947748B2 (en) | 2000-12-15 | 2005-09-20 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US6862268B2 (en) | 2000-12-29 | 2005-03-01 | Nortel Networks, Ltd | Method and apparatus for managing a CDMA supplemental channel |
US6920119B2 (en) | 2001-01-09 | 2005-07-19 | Motorola, Inc. | Method for scheduling and allocating data transmissions in a broad-band communications system |
US6829293B2 (en) | 2001-01-16 | 2004-12-07 | Mindspeed Technologies, Inc. | Method and apparatus for line probe signal processing |
US6801790B2 (en) | 2001-01-17 | 2004-10-05 | Lucent Technologies Inc. | Structure for multiple antenna configurations |
US6813284B2 (en) | 2001-01-17 | 2004-11-02 | Qualcomm Incorporated | Method and apparatus for allocating data streams given transmission time interval (TTI) constraints |
EP1227601A1 (en) | 2001-01-25 | 2002-07-31 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Downlink scheduling using parallel code trees |
US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
RU2192094C1 (ru) | 2001-02-05 | 2002-10-27 | Гармонов Александр Васильевич | Способ когерентной разнесенной передачи сигнала |
FR2820574B1 (fr) | 2001-02-08 | 2005-08-05 | Wavecom Sa | Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants |
US6985453B2 (en) | 2001-02-15 | 2006-01-10 | Qualcomm Incorporated | Method and apparatus for link quality feedback in a wireless communication system |
US7120134B2 (en) | 2001-02-15 | 2006-10-10 | Qualcomm, Incorporated | Reverse link channel architecture for a wireless communication system |
US6975868B2 (en) | 2001-02-21 | 2005-12-13 | Qualcomm Incorporated | Method and apparatus for IS-95B reverse link supplemental code channel frame validation and fundamental code channel rate decision improvement |
US20020160781A1 (en) | 2001-02-23 | 2002-10-31 | Gunnar Bark | System, method and apparatus for facilitating resource allocation in a communication system |
US6937641B2 (en) | 2001-02-28 | 2005-08-30 | Golden Bridge Technology, Inc. | Power-controlled random access |
US6930470B2 (en) | 2001-03-01 | 2005-08-16 | Nortel Networks Limited | System and method for code division multiple access communication in a wireless communication environment |
US6675012B2 (en) | 2001-03-08 | 2004-01-06 | Nokia Mobile Phones, Ltd. | Apparatus, and associated method, for reporting a measurement summary in a radio communication system |
US6940827B2 (en) | 2001-03-09 | 2005-09-06 | Adaptix, Inc. | Communication system using OFDM for one direction and DSSS for another direction |
US6934340B1 (en) | 2001-03-19 | 2005-08-23 | Cisco Technology, Inc. | Adaptive control system for interference rejections in a wireless communications system |
US6478422B1 (en) | 2001-03-19 | 2002-11-12 | Richard A. Hansen | Single bifocal custom shooters glasses |
US6771706B2 (en) | 2001-03-23 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for utilizing channel state information in a wireless communication system |
US6748024B2 (en) | 2001-03-28 | 2004-06-08 | Nokia Corporation | Non-zero complex weighted space-time code for multiple antenna transmission |
US7042897B1 (en) | 2001-04-05 | 2006-05-09 | Arcwave, Inc | Medium access control layer protocol in a distributed environment |
US6859503B2 (en) | 2001-04-07 | 2005-02-22 | Motorola, Inc. | Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel |
US7145959B2 (en) | 2001-04-25 | 2006-12-05 | Magnolia Broadband Inc. | Smart antenna based spectrum multiplexing using existing pilot signals for orthogonal frequency division multiplexing (OFDM) modulations |
US7230941B2 (en) | 2001-04-26 | 2007-06-12 | Qualcomm Incorporated | Preamble channel decoding |
US6625172B2 (en) | 2001-04-26 | 2003-09-23 | Joseph P. Odenwalder | Rescheduling scheduled transmissions |
US6611231B2 (en) | 2001-04-27 | 2003-08-26 | Vivato, Inc. | Wireless packet switched communication systems and networks using adaptively steered antenna arrays |
US7188300B2 (en) | 2001-05-01 | 2007-03-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Flexible layer one for radio interface to PLMN |
US7042856B2 (en) | 2001-05-03 | 2006-05-09 | Qualcomm, Incorporation | Method and apparatus for controlling uplink transmissions of a wireless communication system |
EP1255369A1 (en) | 2001-05-04 | 2002-11-06 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Link adaptation for wireless MIMO transmission schemes |
US6785341B2 (en) | 2001-05-11 | 2004-08-31 | Qualcomm Incorporated | Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information |
US6662024B2 (en) | 2001-05-16 | 2003-12-09 | Qualcomm Incorporated | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system |
US7047016B2 (en) | 2001-05-16 | 2006-05-16 | Qualcomm, Incorporated | Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system |
DE60215073T2 (de) | 2001-05-17 | 2007-05-16 | Samsung Electronics Co., Ltd., Suwon | Mobiles Kommunikationsgerät mit Gruppenantenne und mobiles kommunikationsverfahren dafür |
US6751187B2 (en) | 2001-05-17 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission |
FR2825208B1 (fr) | 2001-05-22 | 2004-07-09 | Cit Alcatel | Procede d'attribution de ressources en communication dans un systeme de telecommunications du type mf-tdma |
WO2002098051A1 (en) | 2001-05-25 | 2002-12-05 | Regents Of The University Of Minnesota | Space-time coded transmissions within a wireless communication network |
US6904097B2 (en) | 2001-06-01 | 2005-06-07 | Motorola, Inc. | Method and apparatus for adaptive signaling in a QAM communication system |
US20020193146A1 (en) | 2001-06-06 | 2002-12-19 | Mark Wallace | Method and apparatus for antenna diversity in a wireless communication system |
CA2390253A1 (en) | 2001-06-11 | 2002-12-11 | Unique Broadband Systems, Inc. | Ofdm multiple sub-channel communication system |
US7212564B2 (en) | 2001-06-21 | 2007-05-01 | Qualcomm Incorporated | Method of tone allocation for tone hopping sequences |
US7027523B2 (en) | 2001-06-22 | 2006-04-11 | Qualcomm Incorporated | Method and apparatus for transmitting data in a time division duplexed (TDD) communication system |
CN1547861A (zh) | 2001-06-27 | 2004-11-17 | ���˹���Ѷ��� | 无线通信系统中控制信息的传递 |
AU2002316448A1 (en) | 2001-06-29 | 2003-03-03 | The Government Of The United State Of America As Represent By The Secretary Of The Department Of Hea | Method of promoting engraftment of a donor transplant in a recipient host |
GB0116015D0 (en) | 2001-06-29 | 2001-08-22 | Simoco Digital Systems Ltd | Communications systems |
US6963543B2 (en) | 2001-06-29 | 2005-11-08 | Qualcomm Incorporated | Method and system for group call service |
JP2003018054A (ja) | 2001-07-02 | 2003-01-17 | Ntt Docomo Inc | 無線通信方法及びシステム並びに通信装置 |
US6751444B1 (en) | 2001-07-02 | 2004-06-15 | Broadstorm Telecommunications, Inc. | Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems |
DE10132492A1 (de) | 2001-07-03 | 2003-01-23 | Hertz Inst Heinrich | Adaptives Signalverarbeitungsverfahren zur bidirektionalen Funkübertragung in einem MIMO-Kanal und MIMO-System zur Verfahrensdurchführung |
JP3607643B2 (ja) | 2001-07-13 | 2005-01-05 | 松下電器産業株式会社 | マルチキャリア送信装置、マルチキャリア受信装置、およびマルチキャリア無線通信方法 |
US7236536B2 (en) | 2001-07-26 | 2007-06-26 | Lucent Technologies Inc. | Method and apparatus for detection and decoding of signals received from a linear propagation channel |
US7197282B2 (en) | 2001-07-26 | 2007-03-27 | Ericsson Inc. | Mobile station loop-back signal processing |
US20030027579A1 (en) | 2001-08-03 | 2003-02-06 | Uwe Sydon | System for and method of providing an air interface with variable data rate by switching the bit time |
JP4318412B2 (ja) | 2001-08-08 | 2009-08-26 | 富士通株式会社 | 通信システムにおける送受信装置及び送受信方法 |
US6776765B2 (en) | 2001-08-21 | 2004-08-17 | Synovis Life Technologies, Inc. | Steerable stylet |
JP4127757B2 (ja) | 2001-08-21 | 2008-07-30 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システム、通信端末装置、及びバースト信号送信方法 |
KR100459557B1 (ko) | 2001-08-23 | 2004-12-03 | 삼성전자주식회사 | 고속 순방향 패킷 접속 통신 시스템에서 데이터 상태정보를 나타내기 위한 혼화 자동 재전송 요구 채널 번호할당 방법 |
JP2003069472A (ja) | 2001-08-24 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 受信端末装置及び通信システム |
KR100474689B1 (ko) | 2001-08-30 | 2005-03-08 | 삼성전자주식회사 | 이동통신 시스템에서 소프트 핸드오프 도중의 전력제어 방법 |
EP1423926B1 (en) | 2001-09-05 | 2007-11-21 | Nokia Corporation | A closed-loop signaling method for controlling multiple transmit beams and correspondingy adapted transceiver device |
EP1428356B1 (en) | 2001-09-07 | 2007-04-25 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangements to achieve a dynamic resource distribution policy in packet based communication networks |
FR2829642B1 (fr) | 2001-09-12 | 2004-01-16 | Eads Defence & Security Ntwk | Signal multiporteuses, procede de poursuite d'un canal de transmission a partir d'un tel signal et dispositif pour sa mise en oeuvre |
US7106319B2 (en) | 2001-09-14 | 2006-09-12 | Seiko Epson Corporation | Power supply circuit, voltage conversion circuit, semiconductor device, display device, display panel, and electronic equipment |
AU2002327681A1 (en) | 2001-09-24 | 2003-04-07 | Atheros Communications, Inc. | Method and system for variable rate acknowledgement for wireless communication protocols |
JP2003101515A (ja) | 2001-09-25 | 2003-04-04 | Sony Corp | 無線通信システム、基地局、移動局、送信制御方法及びプログラム格納媒体 |
KR100440182B1 (ko) | 2001-09-29 | 2004-07-14 | 삼성전자주식회사 | 음영지역에서의 퀵페이징 방법 |
RU2207723C1 (ru) | 2001-10-01 | 2003-06-27 | Военный университет связи | Способ распределения ресурсов в системе электросвязи с множественным доступом |
US7218906B2 (en) | 2001-10-04 | 2007-05-15 | Wisconsin Alumni Research Foundation | Layered space time processing in a multiple antenna system |
JP3675433B2 (ja) | 2001-10-17 | 2005-07-27 | 日本電気株式会社 | 移動通信システム及び通信制御方法並びにそれに用いる基地局、移動局 |
US7548506B2 (en) | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
US7248559B2 (en) | 2001-10-17 | 2007-07-24 | Nortel Networks Limited | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
US7773699B2 (en) | 2001-10-17 | 2010-08-10 | Nortel Networks Limited | Method and apparatus for channel quality measurements |
KR100533205B1 (ko) | 2001-10-17 | 2005-12-05 | 닛본 덴끼 가부시끼가이샤 | 이동 통신 시스템, 통신 제어 방법, 이것에 사용되는기지국 및 이동국 |
US7349667B2 (en) | 2001-10-19 | 2008-03-25 | Texas Instruments Incorporated | Simplified noise estimation and/or beamforming for wireless communications |
KR100452639B1 (ko) | 2001-10-20 | 2004-10-14 | 한국전자통신연구원 | 위성 이동 통신 시스템에서 공통 패킷 채널 접속 방법 |
KR100547847B1 (ko) | 2001-10-26 | 2006-01-31 | 삼성전자주식회사 | 이동통신 시스템에서 역방향 링크의 제어 장치 및 방법 |
US20030086393A1 (en) | 2001-11-02 | 2003-05-08 | Subramanian Vasudevan | Method for allocating wireless communication resources |
US7164649B2 (en) | 2001-11-02 | 2007-01-16 | Qualcomm, Incorporated | Adaptive rate control for OFDM communication system |
US20030125040A1 (en) | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
US6909707B2 (en) | 2001-11-06 | 2005-06-21 | Motorola, Inc. | Method and apparatus for pseudo-random noise offset reuse in a multi-sector CDMA system |
US7453801B2 (en) | 2001-11-08 | 2008-11-18 | Qualcomm Incorporated | Admission control and resource allocation in a communication system supporting application flows having quality of service requirements |
EP1444804B1 (en) | 2001-11-13 | 2013-02-27 | Telcordia Technologies, Inc. | Method and system for spectrally compatible remote terminal adsl deployment |
GB2382265B (en) | 2001-11-14 | 2004-06-09 | Toshiba Res Europ Ltd | Emergency rescue aid |
SE0103853D0 (sv) | 2001-11-15 | 2001-11-15 | Ericsson Telefon Ab L M | Method and system of retransmission |
JP3637965B2 (ja) | 2001-11-22 | 2005-04-13 | 日本電気株式会社 | 無線通信システム |
TW595857U (en) | 2001-11-29 | 2004-06-21 | Us | 091219345 |
JP3756110B2 (ja) | 2001-11-29 | 2006-03-15 | シャープ株式会社 | 無線通信装置 |
US7154936B2 (en) | 2001-12-03 | 2006-12-26 | Qualcomm, Incorporated | Iterative detection and decoding for a MIMO-OFDM system |
JP3895165B2 (ja) | 2001-12-03 | 2007-03-22 | 株式会社エヌ・ティ・ティ・ドコモ | 通信制御システム、通信制御方法、通信基地局及び移動端末 |
EP1451974B1 (en) | 2001-12-03 | 2009-08-05 | Nokia Corporation | Policy based mechanisms for selecting access routers and mobile context |
US6799043B2 (en) | 2001-12-04 | 2004-09-28 | Qualcomm, Incorporated | Method and apparatus for a reverse link supplemental channel scheduling |
JP3955463B2 (ja) | 2001-12-05 | 2007-08-08 | ソフトバンクテレコム株式会社 | 直交周波数分割多重通信システム |
US20030112745A1 (en) | 2001-12-17 | 2003-06-19 | Xiangyang Zhuang | Method and system of operating a coded OFDM communication system |
US7054301B1 (en) | 2001-12-31 | 2006-05-30 | Arraycomm, Llc. | Coordinated hopping in wireless networks using adaptive antenna arrays |
US7020110B2 (en) | 2002-01-08 | 2006-03-28 | Qualcomm Incorporated | Resource allocation for MIMO-OFDM communication systems |
EP1467508B1 (en) | 2002-01-10 | 2011-05-11 | Fujitsu Limited | Pilot multiplex method in ofdm system and ofdm receiving method |
DE10240138A1 (de) | 2002-01-18 | 2003-08-14 | Siemens Ag | Dynamische Zuordnung von Funkressourcen in einem Funk-Kommunikationssystem |
US6954622B2 (en) | 2002-01-29 | 2005-10-11 | L-3 Communications Corporation | Cooperative transmission power control method and system for CDMA communication systems |
US20030142648A1 (en) | 2002-01-31 | 2003-07-31 | Samsung Electronics Co., Ltd. | System and method for providing a continuous high speed packet data handoff |
US7006557B2 (en) | 2002-01-31 | 2006-02-28 | Qualcomm Incorporated | Time tracking loop for diversity pilots |
JP2003235072A (ja) | 2002-02-06 | 2003-08-22 | Ntt Docomo Inc | 無線リソース割当て方法、無線リソース割当て装置及び移動通信システム |
KR100547845B1 (ko) | 2002-02-07 | 2006-01-31 | 삼성전자주식회사 | 고속 순방향 패킷 접속 방식을 사용하는 통신 시스템에서서빙 고속 공통 제어 채널 셋 정보를 송수신하는 장치 및방법 |
US7031742B2 (en) | 2002-02-07 | 2006-04-18 | Qualcomm Incorporation | Forward and reverse link power control of serving and non-serving base stations in a wireless communication system |
RU2237379C2 (ru) | 2002-02-08 | 2004-09-27 | Самсунг Электроникс | Способ формирования диаграммы направленности адаптивной антенной решетки базовой станции и устройство для его реализации (варианты) |
IL151937A0 (en) | 2002-02-13 | 2003-07-31 | Witcom Ltd | Near-field spatial multiplexing |
US7009500B2 (en) | 2002-02-13 | 2006-03-07 | Ford Global Technologies, Llc | Method for operating a pre-crash sensing system in a vehicle having a countermeasure system using stereo cameras |
WO2003069832A1 (de) | 2002-02-13 | 2003-08-21 | Siemens Aktiengesellschaft | Methode zum beamforming eines mehrnutzempfängers mit kanalschätzung |
US7050759B2 (en) | 2002-02-19 | 2006-05-23 | Qualcomm Incorporated | Channel quality feedback mechanism and method |
JP2003249907A (ja) | 2002-02-22 | 2003-09-05 | Hitachi Kokusai Electric Inc | Ofdm方式の伝送装置 |
US6862271B2 (en) | 2002-02-26 | 2005-03-01 | Qualcomm Incorporated | Multiple-input, multiple-output (MIMO) systems with multiple transmission modes |
US6636568B2 (en) | 2002-03-01 | 2003-10-21 | Qualcomm | Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system |
US7099299B2 (en) | 2002-03-04 | 2006-08-29 | Agency For Science, Technology And Research | CDMA system with frequency domain equalization |
US7039356B2 (en) | 2002-03-12 | 2006-05-02 | Blue7 Communications | Selecting a set of antennas for use in a wireless communication system |
KR100464014B1 (ko) | 2002-03-21 | 2004-12-30 | 엘지전자 주식회사 | 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법 |
US7197084B2 (en) | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
JP2003292667A (ja) | 2002-03-29 | 2003-10-15 | Jsr Corp | 架橋発泡用熱可塑性エラストマー組成物、成形品の製造方法、および成形品 |
US6741587B2 (en) | 2002-04-02 | 2004-05-25 | Nokia Corporation | Inter-frequency measurements with MIMO terminals |
US6850741B2 (en) | 2002-04-04 | 2005-02-01 | Agency For Science, Technology And Research | Method for selecting switched orthogonal beams for downlink diversity transmission |
US7508804B2 (en) | 2002-04-05 | 2009-03-24 | Alcatel-Lucent Usa Inc. | Shared signaling for multiple user equipment |
KR100896682B1 (ko) | 2002-04-09 | 2009-05-14 | 삼성전자주식회사 | 송/수신 다중 안테나를 포함하는 이동 통신 장치 및 방법 |
EP1499052A4 (en) | 2002-04-15 | 2008-07-16 | Matsushita Electric Ind Co Ltd | RECEIVER AND RECEIVING METHOD THEREOF |
US7522673B2 (en) | 2002-04-22 | 2009-04-21 | Regents Of The University Of Minnesota | Space-time coding using estimated channel information |
JP2003318857A (ja) | 2002-04-25 | 2003-11-07 | Mitsubishi Electric Corp | デジタル放送受信機 |
TWI242992B (en) | 2002-04-25 | 2005-11-01 | Raytheon Co | Dynamic wireless resource utilization |
US7161971B2 (en) | 2002-04-29 | 2007-01-09 | Qualcomm, Incorporated | Sending transmission format information on dedicated channels |
US6839336B2 (en) | 2002-04-29 | 2005-01-04 | Qualcomm, Incorporated | Acknowledging broadcast transmissions |
US7170876B2 (en) | 2002-04-30 | 2007-01-30 | Qualcomm, Inc. | Outer-loop scheduling design for communication systems with channel quality feedback mechanisms |
US7170937B2 (en) | 2002-05-01 | 2007-01-30 | Texas Instruments Incorporated | Complexity-scalable intra-frame prediction technique |
US7127241B2 (en) | 2002-05-09 | 2006-10-24 | Casabyte, Inc. | Method, apparatus and article to remotely associate wireless communications devices with subscriber identities and/or proxy wireless communications devices |
JP4334274B2 (ja) | 2002-05-16 | 2009-09-30 | 株式会社エヌ・ティ・ティ・ドコモ | マルチキャリア伝送用送信機及びマルチキャリア伝送方法 |
KR100689399B1 (ko) | 2002-05-17 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법 |
JP2003347985A (ja) | 2002-05-22 | 2003-12-05 | Fujitsu Ltd | 無線基地局装置及びその省電力方法 |
JP4067873B2 (ja) | 2002-05-24 | 2008-03-26 | 三菱電機株式会社 | 無線伝送装置 |
GB0212165D0 (en) | 2002-05-27 | 2002-07-03 | Nokia Corp | A wireless system |
US6917602B2 (en) | 2002-05-29 | 2005-07-12 | Nokia Corporation | System and method for random access channel capture with automatic retransmission request |
US8699505B2 (en) | 2002-05-31 | 2014-04-15 | Qualcomm Incorporated | Dynamic channelization code allocation |
US7899067B2 (en) | 2002-05-31 | 2011-03-01 | Cisco Technology, Inc. | Method and apparatus for generating and using enhanced tree bitmap data structures in determining a longest prefix match |
US7366223B1 (en) | 2002-06-06 | 2008-04-29 | Arraycomm, Llc | Modifying hopping sequences in wireless networks |
KR100548311B1 (ko) | 2002-06-07 | 2006-02-02 | 엘지전자 주식회사 | 이동 통신 시스템에서의 송신 다이버시티 장치와 방법 |
AU2003237377A1 (en) | 2002-06-07 | 2003-12-22 | Nokia Corporation | Apparatus and an associated method, by which to facilitate scheduling of data communications ina radio communications system |
US7184713B2 (en) | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
JP3751265B2 (ja) | 2002-06-20 | 2006-03-01 | 松下電器産業株式会社 | 無線通信システムおよびスケジューリング方法 |
US7095709B2 (en) | 2002-06-24 | 2006-08-22 | Qualcomm, Incorporated | Diversity transmission modes for MIMO OFDM communication systems |
US7613248B2 (en) | 2002-06-24 | 2009-11-03 | Qualcomm Incorporated | Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems |
US7483408B2 (en) | 2002-06-26 | 2009-01-27 | Nortel Networks Limited | Soft handoff method for uplink wireless communications |
US20040077379A1 (en) | 2002-06-27 | 2004-04-22 | Martin Smith | Wireless transmitter, transceiver and method |
US7392014B2 (en) | 2002-06-27 | 2008-06-24 | Koninklijke Philips Electronics N.V. | Measurement of channel characteristics in a communication system |
US7551546B2 (en) | 2002-06-27 | 2009-06-23 | Nortel Networks Limited | Dual-mode shared OFDM methods/transmitters, receivers and systems |
ATE308172T1 (de) | 2002-06-27 | 2005-11-15 | Siemens Ag | Anordnung und verfahren zur datenübertragung in einem mehrfacheingabe mehrfachausgabe funkkommunikationssystem |
US7043274B2 (en) | 2002-06-28 | 2006-05-09 | Interdigital Technology Corporation | System for efficiently providing coverage of a sectorized cell for common and dedicated channels utilizing beam forming and sweeping |
US7372911B1 (en) | 2002-06-28 | 2008-05-13 | Arraycomm, Llc | Beam forming and transmit diversity in a multiple array radio communications system |
KR100640470B1 (ko) | 2002-06-29 | 2006-10-30 | 삼성전자주식회사 | 패킷 서비스 통신 시스템에서 전송 안테나 다이버시티방식을 사용하여 데이터를 전송 장치 및 방법 |
CN1219372C (zh) | 2002-07-08 | 2005-09-14 | 华为技术有限公司 | 一种实现多媒体广播和多播业务的传输方法 |
KR100630112B1 (ko) | 2002-07-09 | 2006-09-27 | 삼성전자주식회사 | 이동통신시스템의 적응형 채널 추정장치 및 방법 |
US7243150B2 (en) | 2002-07-10 | 2007-07-10 | Radwin Ltd. | Reducing the access delay for transmitting processed data over transmission data |
US20040017785A1 (en) | 2002-07-16 | 2004-01-29 | Zelst Allert Van | System for transporting multiple radio frequency signals of a multiple input, multiple output wireless communication system to/from a central processing base station |
US7570626B2 (en) | 2002-07-16 | 2009-08-04 | Panasonic Corporation | Communication method, transmitting device using the same, and receiving device using the same |
MXPA05000709A (es) | 2002-07-17 | 2005-06-06 | Soma Networks Inc | Igualacion de dominio de frecuencia en sistemas de comunicaciones con mezclado. |
CN1669264A (zh) | 2002-07-17 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | 用于准同步系统的时间-频率交织mc-cdma |
CN100566321C (zh) | 2002-07-18 | 2009-12-02 | 美商内数位科技公司 | 正交可变扩频因子码分派 |
US7020446B2 (en) | 2002-07-31 | 2006-03-28 | Mitsubishi Electric Research Laboratories, Inc. | Multiple antennas at transmitters and receivers to achieving higher diversity and data rates in MIMO systems |
JP4022744B2 (ja) | 2002-08-01 | 2007-12-19 | 日本電気株式会社 | 移動通信システム及びベストセル変更方法並びにそれに用いる基地局制御装置 |
CN1682474B (zh) | 2002-08-02 | 2011-02-02 | Nms通讯公司 | 用于网络信号整合和带宽缩减的方法和装置 |
JP4047655B2 (ja) | 2002-08-07 | 2008-02-13 | 京セラ株式会社 | 無線通信システム |
US6788963B2 (en) | 2002-08-08 | 2004-09-07 | Flarion Technologies, Inc. | Methods and apparatus for operating mobile nodes in multiple a states |
US7418241B2 (en) | 2002-08-09 | 2008-08-26 | Qualcomm Incorporated | System and techniques for enhancing the reliability of feedback in a wireless communications system |
US7558193B2 (en) | 2002-08-12 | 2009-07-07 | Starent Networks Corporation | Redundancy in voice and data communications systems |
US7180627B2 (en) | 2002-08-16 | 2007-02-20 | Paxar Corporation | Hand-held portable printer with RFID read/write capability |
US7050405B2 (en) | 2002-08-23 | 2006-05-23 | Qualcomm Incorporated | Method and system for a data transmission in a communication system |
JP3999605B2 (ja) | 2002-08-23 | 2007-10-31 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局、移動通信システム及び通信方法 |
DE10238796B4 (de) | 2002-08-23 | 2006-09-14 | Siemens Ag | Verfahren zur Richtungsbestimmung der Position einer Mobilstation relativ zu einer Basisstation, Mobilfunksystem sowie Einrichtung zur Richtungsbestimmung |
US6985498B2 (en) | 2002-08-26 | 2006-01-10 | Flarion Technologies, Inc. | Beacon signaling in a wireless system |
US6940917B2 (en) | 2002-08-27 | 2005-09-06 | Qualcomm, Incorporated | Beam-steering and beam-forming for wideband MIMO/MISO systems |
JP2004096142A (ja) | 2002-08-29 | 2004-03-25 | Hitachi Kokusai Electric Inc | 地区エリアポーリング方式 |
KR100831987B1 (ko) | 2002-08-30 | 2008-05-23 | 삼성전자주식회사 | 다중 사용자를 위한 다중 안테나를 이용한 송수신 장치 |
US7167916B2 (en) | 2002-08-30 | 2007-01-23 | Unisys Corporation | Computer OS dispatcher operation with virtual switching queue and IP queues |
US7519032B2 (en) | 2002-09-04 | 2009-04-14 | Koninklijke Philips Electronics N.V. | Apparatus and method for providing QoS service schedule and bandwidth allocation to a wireless station |
IL151644A (en) | 2002-09-05 | 2008-11-26 | Fazan Comm Llc | Allocation of radio resources in a cdma 2000 cellular system |
US7227854B2 (en) | 2002-09-06 | 2007-06-05 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting CQI information in a CDMA communication system employing an HSDPA scheme |
US7260153B2 (en) | 2002-09-09 | 2007-08-21 | Mimopro Ltd. | Multi input multi output wireless communication method and apparatus providing extended range and extended rate across imperfectly estimated channels |
US6776165B2 (en) | 2002-09-12 | 2004-08-17 | The Regents Of The University Of California | Magnetic navigation system for diagnosis, biopsy and drug delivery vehicles |
WO2004028037A1 (ja) | 2002-09-20 | 2004-04-01 | Mitsubishi Denki Kabushiki Kaisha | 無線通信システム |
US7209712B2 (en) | 2002-09-23 | 2007-04-24 | Qualcomm, Incorporated | Mean square estimation of channel quality measure |
GB0222555D0 (en) | 2002-09-28 | 2002-11-06 | Koninkl Philips Electronics Nv | Packet data transmission system |
KR100933155B1 (ko) | 2002-09-30 | 2009-12-21 | 삼성전자주식회사 | 주파수분할다중접속 이동통신시스템에서 가상 셀의 자원할당장치 및 방법 |
US7317680B2 (en) | 2002-10-01 | 2008-01-08 | Nortel Networks Limited | Channel mapping for OFDM |
US7412212B2 (en) | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
JP4602641B2 (ja) | 2002-10-18 | 2010-12-22 | 株式会社エヌ・ティ・ティ・ドコモ | 信号伝送システム、信号伝送方法及び送信機 |
KR100461547B1 (ko) | 2002-10-22 | 2004-12-16 | 한국전자통신연구원 | 디에스/시디엠에이 미모 안테나 시스템에서 보다 나은수신 다이버시티 이득을 얻기 위한 전송 시스템 |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US7477618B2 (en) | 2002-10-25 | 2009-01-13 | Qualcomm Incorporated | Method and apparatus for stealing power or code for data channel operations |
JP2006504324A (ja) | 2002-10-26 | 2006-02-02 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート | combパターンシンボルの周波数跳躍直交周波数分割多重接続方法 |
US7023880B2 (en) | 2002-10-28 | 2006-04-04 | Qualcomm Incorporated | Re-formatting variable-rate vocoder frames for inter-system transmissions |
WO2004040690A2 (en) | 2002-10-29 | 2004-05-13 | Nokia Corporation | Low complexity beamformers for multiple transmit and receive antennas |
US6928062B2 (en) | 2002-10-29 | 2005-08-09 | Qualcomm, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
US7042857B2 (en) * | 2002-10-29 | 2006-05-09 | Qualcom, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
EP1576734A1 (en) | 2002-10-30 | 2005-09-21 | Koninklijke Philips Electronics N.V. | Trellis-based receiver |
US6963959B2 (en) | 2002-10-31 | 2005-11-08 | International Business Machines Corporation | Storage system and method for reorganizing data to improve prefetch effectiveness and reduce seek distance |
JP2004153676A (ja) | 2002-10-31 | 2004-05-27 | Mitsubishi Electric Corp | 通信装置、送信機および受信機 |
JP2004158901A (ja) | 2002-11-01 | 2004-06-03 | Kddi Corp | Ofdm及びmc−cdmaを用いる送信装置、システム及び方法 |
US7680507B2 (en) | 2002-11-04 | 2010-03-16 | Alcatel-Lucent Usa Inc. | Shared control and signaling channel for users subscribing to data services in a communication system |
JP4095881B2 (ja) | 2002-11-13 | 2008-06-04 | 株式会社 サンウェイ | 道路路面計画の評価方法 |
DE10254384B4 (de) | 2002-11-17 | 2005-11-17 | Siemens Ag | Bidirektionales Signalverarbeitungsverfahren für ein MIMO-System mit einer rangadaptiven Anpassung der Datenübertragungsrate |
JP4084639B2 (ja) | 2002-11-19 | 2008-04-30 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信における受付制御方法、移動通信システム、移動局、受付制御装置及び受付制御用プログラム |
US20040098505A1 (en) | 2002-11-20 | 2004-05-20 | Clemmensen Daniel G. | Forwarding system with multiple logical sub-system functionality |
JP3796212B2 (ja) | 2002-11-20 | 2006-07-12 | 松下電器産業株式会社 | 基地局装置及び送信割り当て制御方法 |
KR100479864B1 (ko) | 2002-11-26 | 2005-03-31 | 학교법인 중앙대학교 | 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법 |
EP1568185B1 (en) | 2002-12-04 | 2011-05-11 | Interdigital Technology Corporation | Reliability detection of channel quality indicator (cqi) and application to outer loop power control |
JP4350491B2 (ja) | 2002-12-05 | 2009-10-21 | パナソニック株式会社 | 無線通信システム、無線通信方法、及び無線通信装置 |
US8179833B2 (en) * | 2002-12-06 | 2012-05-15 | Qualcomm Incorporated | Hybrid TDM/OFDM/CDM reverse link transmission |
EP1429506A3 (en) | 2002-12-09 | 2007-01-24 | Broadcom Corporation | Pipeline architecture for equalisers |
KR100507519B1 (ko) | 2002-12-13 | 2005-08-17 | 한국전자통신연구원 | Ofdma 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치 |
US7508798B2 (en) * | 2002-12-16 | 2009-03-24 | Nortel Networks Limited | Virtual mimo communication system |
KR100552669B1 (ko) | 2002-12-26 | 2006-02-20 | 한국전자통신연구원 | 층적 공간-시간 구조의 검파기를 갖는 다중 입출력시스템에 적용되는 적응 변복조 장치 및 그 방법 |
US6904550B2 (en) | 2002-12-30 | 2005-06-07 | Motorola, Inc. | Velocity enhancement for OFDM systems |
KR100606008B1 (ko) | 2003-01-04 | 2006-07-26 | 삼성전자주식회사 | 부호 분할 다중 접속 통신 시스템에서 역방향 데이터재전송 요청 송수신 장치 및 방법 |
JP4098096B2 (ja) | 2003-01-06 | 2008-06-11 | 三菱電機株式会社 | スペクトル拡散受信装置 |
US7280467B2 (en) | 2003-01-07 | 2007-10-09 | Qualcomm Incorporated | Pilot transmission schemes for wireless multi-carrier communication systems |
CN1302671C (zh) | 2003-01-07 | 2007-02-28 | 华为技术有限公司 | 一种第三方为接收方接收多媒体短消息付费的方法 |
US8400979B2 (en) | 2003-01-07 | 2013-03-19 | Qualcomm Incorporated | Forward link handoff for wireless communication systems with OFDM forward link and CDMA reverse link |
JP4139230B2 (ja) | 2003-01-15 | 2008-08-27 | 松下電器産業株式会社 | 送信装置及び送信方法 |
US7346018B2 (en) | 2003-01-16 | 2008-03-18 | Qualcomm, Incorporated | Margin control in a data communication system |
CN100417269C (zh) | 2003-01-20 | 2008-09-03 | 中兴通讯股份有限公司 | 智能天线波束切换方法 |
KR100580244B1 (ko) | 2003-01-23 | 2006-05-16 | 삼성전자주식회사 | 무선랜상의 핸드오프 방법 |
US20060068848A1 (en) | 2003-01-28 | 2006-03-30 | Celletra Ltd. | System and method for load distribution between base station sectors |
JP4276009B2 (ja) | 2003-02-06 | 2009-06-10 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、基地局、無線伝送プログラム、及び無線伝送方法 |
JP4514463B2 (ja) | 2003-02-12 | 2010-07-28 | パナソニック株式会社 | 送信装置及び無線通信方法 |
JP3740471B2 (ja) | 2003-02-13 | 2006-02-01 | 株式会社東芝 | Ofdm受信装置、半導体集積回路及びofdm受信方法 |
AU2003212244A1 (en) | 2003-02-14 | 2004-09-06 | Docomo Communications Laboratories Europe Gmbh | Two-dimensional channel estimation for multicarrier multiple input outpout communication systems |
US8391249B2 (en) | 2003-02-18 | 2013-03-05 | Qualcomm Incorporated | Code division multiplexing commands on a code division multiplexed channel |
US7660282B2 (en) | 2003-02-18 | 2010-02-09 | Qualcomm Incorporated | Congestion control in a wireless data network |
RU2368106C2 (ru) | 2003-02-18 | 2009-09-20 | Квэлкомм Инкорпорейтед | Планируемая и автономная передача и подтверждение приема |
US7155236B2 (en) | 2003-02-18 | 2006-12-26 | Qualcomm Incorporated | Scheduled and autonomous transmission and acknowledgement |
US7813322B2 (en) | 2003-02-19 | 2010-10-12 | Qualcomm Incorporated | Efficient automatic repeat request methods and apparatus |
EP1602184B1 (en) | 2003-02-19 | 2012-09-05 | QUALCOMM Incorporated | Methods and apparatus of coding in multi-user communications systems |
US9544860B2 (en) | 2003-02-24 | 2017-01-10 | Qualcomm Incorporated | Pilot signals for use in multi-sector cells |
US7248574B2 (en) | 2003-02-24 | 2007-07-24 | Autocell Laboratories, Inc. | Apparatus for selecting an optimum access point in a wireless network |
KR100539230B1 (ko) | 2003-02-26 | 2005-12-27 | 삼성전자주식회사 | 다양한 규격의 신호를 송수신 처리하는 물리층 장치, 이를구비한 무선 랜 시스템 및 그 무선 랜 방법 |
EP1602244A4 (en) | 2003-02-27 | 2006-07-26 | Interdigital Tech Corp | METHOD FOR IMPLEMENTING FAST-DYNAMIC CHANNEL DISTRIBUTION RADIO MANAGEMENT PROCEDURES |
JP2004260658A (ja) | 2003-02-27 | 2004-09-16 | Matsushita Electric Ind Co Ltd | 無線lan装置 |
WO2004077777A1 (en) | 2003-02-28 | 2004-09-10 | Nortel Networks Limited | Sub-carrier allocation for ofdm |
KR100547758B1 (ko) | 2003-02-28 | 2006-01-31 | 삼성전자주식회사 | 초광대역 통신 시스템의 프리앰블 송수신 장치 및 방법 |
US6927728B2 (en) | 2003-03-13 | 2005-08-09 | Motorola, Inc. | Method and apparatus for multi-antenna transmission |
US20040179480A1 (en) | 2003-03-13 | 2004-09-16 | Attar Rashid Ahmed | Method and system for estimating parameters of a link for data transmission in a communication system |
US7746816B2 (en) | 2003-03-13 | 2010-06-29 | Qualcomm Incorporated | Method and system for a power control in a communication system |
US20040181569A1 (en) | 2003-03-13 | 2004-09-16 | Attar Rashid Ahmed | Method and system for a data transmission in a communication system |
US7130580B2 (en) | 2003-03-20 | 2006-10-31 | Lucent Technologies Inc. | Method of compensating for correlation between multiple antennas |
US7016319B2 (en) | 2003-03-24 | 2006-03-21 | Motorola, Inc. | Method and apparatus for reducing co-channel interference in a communication system |
SE527445C2 (sv) | 2003-03-25 | 2006-03-07 | Telia Ab | Lägesanpassat skyddsintervall för OFDM-kommunikation |
JP4181906B2 (ja) | 2003-03-26 | 2008-11-19 | 富士通株式会社 | 送信機及び受信機 |
US20040192386A1 (en) | 2003-03-26 | 2004-09-30 | Naveen Aerrabotu | Method and apparatus for multiple subscriber identities in a mobile communication device |
JP4218387B2 (ja) | 2003-03-26 | 2009-02-04 | 日本電気株式会社 | 無線通信システム、基地局及びそれらに用いる無線リンク品質情報補正方法並びにそのプログラム |
JP4162522B2 (ja) | 2003-03-26 | 2008-10-08 | 三洋電機株式会社 | 無線基地装置、送信指向性制御方法、および送信指向性制御プログラム |
US7233634B1 (en) | 2003-03-27 | 2007-06-19 | Nortel Networks Limited | Maximum likelihood decoding |
DE60301270T2 (de) | 2003-03-27 | 2006-07-20 | Nnt Docomo, Inc. | Vorrichtung und verfahren zur schätzung einer mehrzahl von kanälen |
GB2400271B (en) | 2003-04-02 | 2005-03-02 | Matsushita Electric Ind Co Ltd | Dynamic resource allocation in packet data transfer |
US7085574B2 (en) | 2003-04-15 | 2006-08-01 | Qualcomm, Incorporated | Grant channel assignment |
WO2004095730A1 (ja) | 2003-04-21 | 2004-11-04 | Mitsubishi Denki Kabushiki Kaisha | 無線通信装置、送信装置、受信装置および無線通信システム |
EP1618748B1 (en) | 2003-04-23 | 2016-04-13 | QUALCOMM Incorporated | Methods and apparatus of enhancing performance in wireless communication systems |
US7640373B2 (en) | 2003-04-25 | 2009-12-29 | Motorola, Inc. | Method and apparatus for channel quality feedback within a communication system |
KR100942645B1 (ko) | 2003-04-29 | 2010-02-17 | 엘지전자 주식회사 | 이동통신 시스템에서의 신호전송 방법 및 장치 |
US7013143B2 (en) | 2003-04-30 | 2006-03-14 | Motorola, Inc. | HARQ ACK/NAK coding for a communication device during soft handoff |
US6824416B2 (en) | 2003-04-30 | 2004-11-30 | Agilent Technologies, Inc. | Mounting arrangement for plug-in modules |
US20040219919A1 (en) | 2003-04-30 | 2004-11-04 | Nicholas Whinnett | Management of uplink scheduling modes in a wireless communication system |
US6993342B2 (en) | 2003-05-07 | 2006-01-31 | Motorola, Inc. | Buffer occupancy used in uplink scheduling for a communication device |
US6882855B2 (en) | 2003-05-09 | 2005-04-19 | Motorola, Inc. | Method and apparatus for CDMA soft handoff for dispatch group members |
US7254158B2 (en) | 2003-05-12 | 2007-08-07 | Qualcomm Incorporated | Soft handoff with interference cancellation in a wireless frequency hopping communication system |
US7177297B2 (en) | 2003-05-12 | 2007-02-13 | Qualcomm Incorporated | Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
US6950319B2 (en) | 2003-05-13 | 2005-09-27 | Delta Electronics, Inc. | AC/DC flyback converter |
US7545867B1 (en) | 2003-05-14 | 2009-06-09 | Marvell International, Ltd. | Adaptive channel bandwidth selection for MIMO wireless systems |
US7181196B2 (en) | 2003-05-15 | 2007-02-20 | Lucent Technologies Inc. | Performing authentication in a communications system |
KR100526542B1 (ko) | 2003-05-15 | 2005-11-08 | 삼성전자주식회사 | 이동 통신 시스템에서 다중안테나를 사용하는송신다이버시티 방식을 사용하여 데이터를 송수신하는장치 및 방법 |
WO2004102829A1 (en) | 2003-05-15 | 2004-11-25 | Lg Electronics Inc. | Method and apparatus for allocating channelization codes for wireless communications |
US20040228313A1 (en) | 2003-05-16 | 2004-11-18 | Fang-Chen Cheng | Method of mapping data for uplink transmission in communication systems |
WO2004105272A1 (ja) | 2003-05-20 | 2004-12-02 | Fujitsu Limited | 移動通信システムにおけるアプリケーションハンドオーバ方法並びに同移動通信システムに使用される移動管理ノード及び移動ノード |
US7454510B2 (en) | 2003-05-29 | 2008-11-18 | Microsoft Corporation | Controlled relay of media streams across network perimeters |
US7366137B2 (en) | 2003-05-31 | 2008-04-29 | Qualcomm Incorporated | Signal-to-noise estimation in wireless communication devices with receive diversity |
US8018902B2 (en) | 2003-06-06 | 2011-09-13 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for channel quality indicator determination |
US7079870B2 (en) | 2003-06-09 | 2006-07-18 | Ipr Licensing, Inc. | Compensation techniques for group delay effects in transmit beamforming radio communication |
KR100547734B1 (ko) | 2003-06-13 | 2006-01-31 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 이동 통신시스템에서 매체 접속 제어 계층의 동작 상태 제어 방법 |
WO2004114549A1 (en) | 2003-06-13 | 2004-12-29 | Nokia Corporation | Enhanced data only code division multiple access (cdma) system |
US7236747B1 (en) | 2003-06-18 | 2007-06-26 | Samsung Electronics Co., Ltd. (SAIT) | Increasing OFDM transmit power via reduction in pilot tone |
RU2313909C2 (ru) | 2003-06-18 | 2007-12-27 | Самсунг Электроникс Ко., Лтд. | Устройство и способ для передачи и приема шаблона пилот-сигнала для идентификации базовой станции в системе связи омчр |
CN1643867B (zh) | 2003-06-22 | 2010-06-23 | 株式会社Ntt都科摩 | 用于估计信道的设备和方法 |
KR20050000709A (ko) | 2003-06-24 | 2005-01-06 | 삼성전자주식회사 | 다중 접속 방식을 사용하는 통신 시스템의 데이터 송수신장치 및 방법 |
NZ526669A (en) | 2003-06-25 | 2006-03-31 | Ind Res Ltd | Narrowband interference suppression for OFDM systems |
US7433661B2 (en) | 2003-06-25 | 2008-10-07 | Lucent Technologies Inc. | Method for improved performance and reduced bandwidth channel state information feedback in communication systems |
US7394865B2 (en) * | 2003-06-25 | 2008-07-01 | Nokia Corporation | Signal constellations for multi-carrier systems |
EP1492241B1 (en) | 2003-06-26 | 2007-02-14 | Mitsubishi Electric Information Technology Centre Europe B.V. | Improved sphere decoding of symbols transmitted in a telecommunication system |
JP3746280B2 (ja) | 2003-06-27 | 2006-02-15 | 株式会社東芝 | 通信方法、通信システム及び通信装置 |
US7522919B2 (en) | 2003-07-14 | 2009-04-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Enhancements to periodic silences in wireless communication systems |
US7313126B2 (en) | 2003-07-31 | 2007-12-25 | Samsung Electronics Co., Ltd. | Control system and multiple access method in wireless communication system |
US7746767B2 (en) | 2003-08-05 | 2010-06-29 | Telecom Italia S.P.A. | Method for providing extra-traffic paths with connection protection in a communication network, related network and computer program product therefor |
US7126928B2 (en) | 2003-08-05 | 2006-10-24 | Qualcomm Incorporated | Grant, acknowledgement, and rate control active sets |
US8140980B2 (en) | 2003-08-05 | 2012-03-20 | Verizon Business Global Llc | Method and system for providing conferencing services |
US7315527B2 (en) | 2003-08-05 | 2008-01-01 | Qualcomm Incorporated | Extended acknowledgement and rate control channel |
US7969857B2 (en) | 2003-08-07 | 2011-06-28 | Nortel Networks Limited | OFDM system and method employing OFDM symbols with known or information-containing prefixes |
US7460494B2 (en) | 2003-08-08 | 2008-12-02 | Intel Corporation | Adaptive signaling in multiple antenna systems |
KR101160135B1 (ko) | 2003-08-12 | 2012-06-26 | 파나소닉 주식회사 | 무선 통신 장치 및 파일럿 심볼 전송 방법 |
EP1654820A4 (en) | 2003-08-13 | 2011-01-19 | Qualcomm Inc | METHOD AND DEVICES FOR POWER CONTROL IN WIRELESS COMMUNICATION SYSTEMS |
ATE332061T1 (de) | 2003-08-14 | 2006-07-15 | Matsushita Electric Ind Co Ltd | Synchronisation von basisstationen während soft- handover |
RU2235429C1 (ru) | 2003-08-15 | 2004-08-27 | Федеральное государственное унитарное предприятие "Воронежский научно-исследовательский институт связи" | Способ частотно-временной синхронизации системы связи и устройство для его осуществления |
CN1284795C (zh) | 2003-08-15 | 2006-11-15 | 上海师范大学 | 磁性纳米粒子核酸分离器、及其制法和应用 |
US7257167B2 (en) | 2003-08-19 | 2007-08-14 | The University Of Hong Kong | System and method for multi-access MIMO channels with feedback capacity constraint |
WO2005020488A1 (ja) | 2003-08-20 | 2005-03-03 | Matsushita Electric Industrial Co., Ltd. | 無線通信装置及びサブキャリア割り当て方法 |
US6925145B2 (en) | 2003-08-22 | 2005-08-02 | General Electric Company | High speed digital radiographic inspection of piping |
US20050063298A1 (en) | 2003-09-02 | 2005-03-24 | Qualcomm Incorporated | Synchronization in a broadcast OFDM system using time division multiplexed pilots |
US7221680B2 (en) | 2003-09-02 | 2007-05-22 | Qualcomm Incorporated | Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system |
US7400856B2 (en) | 2003-09-03 | 2008-07-15 | Motorola, Inc. | Method and apparatus for relay facilitated communications |
US20050047517A1 (en) | 2003-09-03 | 2005-03-03 | Georgios Giannakis B. | Adaptive modulation for multi-antenna transmissions with partial channel knowledge |
US7724827B2 (en) | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7356073B2 (en) | 2003-09-10 | 2008-04-08 | Nokia Corporation | Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector |
US6917821B2 (en) | 2003-09-23 | 2005-07-12 | Qualcomm, Incorporated | Successive interference cancellation receiver processing with selection diversity |
US20050068921A1 (en) | 2003-09-29 | 2005-03-31 | Jung-Tao Liu | Multiplexing of physical channels on the uplink |
US20050164709A1 (en) | 2003-09-30 | 2005-07-28 | Srinivasan Balasubramanian | Method and apparatus for congestion control in high speed wireless packet data networks |
KR100950668B1 (ko) | 2003-09-30 | 2010-04-02 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 통신 시스템에서 업링크 파일럿 신호 송수신 장치 및 방법 |
JP2005110130A (ja) | 2003-10-01 | 2005-04-21 | Samsung Electronics Co Ltd | 共通チャネル伝送システム、共通チャネル伝送方法及び通信プログラム |
EP1521414B1 (en) | 2003-10-03 | 2008-10-29 | Kabushiki Kaisha Toshiba | Method and apparatus for sphere decoding |
US7230942B2 (en) | 2003-10-03 | 2007-06-12 | Qualcomm, Incorporated | Method of downlink resource allocation in a sectorized environment |
US7039370B2 (en) | 2003-10-16 | 2006-05-02 | Flarion Technologies, Inc. | Methods and apparatus of providing transmit and/or receive diversity with multiple antennas in wireless communication systems |
US7242722B2 (en) | 2003-10-17 | 2007-07-10 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
US7120395B2 (en) | 2003-10-20 | 2006-10-10 | Nortel Networks Limited | MIMO communications |
EP1526674B1 (en) | 2003-10-21 | 2007-08-01 | Alcatel Lucent | Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system |
US7508748B2 (en) | 2003-10-24 | 2009-03-24 | Qualcomm Incorporated | Rate selection for a multi-carrier MIMO system |
KR100957415B1 (ko) | 2003-10-31 | 2010-05-11 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 기지국 구분을 위한 파일럿 신호 송수신 장치 및 방법 |
KR101023330B1 (ko) | 2003-11-05 | 2011-03-18 | 한국과학기술원 | 무선 통신 시스템에서 서비스 품질을 보장하기 위한 복합자동 재전송 요구 방법 |
US7664533B2 (en) | 2003-11-10 | 2010-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for a multi-beam antenna system |
KR100981554B1 (ko) | 2003-11-13 | 2010-09-10 | 한국과학기술원 | 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법 |
EP1533950A1 (en) | 2003-11-21 | 2005-05-25 | Sony International (Europe) GmbH | Method for connecting a mobile terminal to a wireless communication system, wireless communication system and mobile terminal for a wireless communication system |
US7356000B2 (en) | 2003-11-21 | 2008-04-08 | Motorola, Inc. | Method and apparatus for reducing call setup delay |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
JP2005167502A (ja) | 2003-12-01 | 2005-06-23 | Ntt Docomo Inc | 無線通信システム、送信無線局の制御装置及び受信無線局の制御装置、並びにサブキャリア選択方法 |
KR20050053907A (ko) | 2003-12-03 | 2005-06-10 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 캐리어 할당 방법 |
TWI232040B (en) | 2003-12-03 | 2005-05-01 | Chung Shan Inst Of Science | CDMA transmitting and receiving apparatus with multiply applied interface functions and a method thereof |
US20070110172A1 (en) | 2003-12-03 | 2007-05-17 | Australian Telecommunications Cooperative Research | Channel estimation for ofdm systems |
WO2005055484A1 (ja) | 2003-12-05 | 2005-06-16 | Nippon Telegraph And Telephone Corporation | 無線通信装置、無線通信方法、及び無線通信システム |
US7145940B2 (en) | 2003-12-05 | 2006-12-05 | Qualcomm Incorporated | Pilot transmission schemes for a multi-antenna system |
EP1538772A1 (en) | 2003-12-05 | 2005-06-08 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting data using eigenvector selection in MIMO mobile communication systems |
EP1542488A1 (en) | 2003-12-12 | 2005-06-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for allocating a pilot signal adapted to the channel characteristics |
KR100856227B1 (ko) | 2003-12-15 | 2008-09-03 | 삼성전자주식회사 | 이동통신시스템에서의 송/수신장치 및 방법 |
US7302009B2 (en) | 2003-12-17 | 2007-11-27 | Qualcomm Incorporated | Broadcast transmission with spatial spreading in a multi-antenna communication system |
EP1545082A3 (en) | 2003-12-17 | 2005-08-03 | Kabushiki Kaisha Toshiba | Signal decoding methods and apparatus |
KR100507541B1 (ko) | 2003-12-19 | 2005-08-09 | 삼성전자주식회사 | 직교주파수분할다중접속 시스템에서의 데이터 및 파일롯할당 방법 과 그를 이용한 송신 방법 및 그 장치, 수신방법과 그 장치 |
JP4301931B2 (ja) | 2003-12-22 | 2009-07-22 | 株式会社三共 | 遊技機 |
US7181170B2 (en) | 2003-12-22 | 2007-02-20 | Motorola Inc. | Apparatus and method for adaptive broadcast transmission |
KR20050063626A (ko) | 2003-12-22 | 2005-06-28 | 박완규 | 연수 및 절수기능을 가지는 바디샤워기 |
US7406336B2 (en) | 2003-12-22 | 2008-07-29 | Telefonaktiebolaget L M Ericsson (Publ) | Method for determining transmit weights |
KR100943572B1 (ko) | 2003-12-23 | 2010-02-24 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템에서 주파수재사용율을 고려한 적응적 부채널 할당 장치 및 방법 |
US7352819B2 (en) | 2003-12-24 | 2008-04-01 | Intel Corporation | Multiantenna communications apparatus, methods, and system |
JP2005197772A (ja) | 2003-12-26 | 2005-07-21 | Toshiba Corp | アダプティブアレイアンテナ装置 |
EP1698086A2 (en) | 2003-12-27 | 2006-09-06 | Electronics and Telecommunications Research Institute | A mimo-ofdm system using eigenbeamforming method |
US7489621B2 (en) | 2003-12-30 | 2009-02-10 | Alexander A Maltsev | Adaptive puncturing technique for multicarrier systems |
WO2005069538A1 (en) | 2004-01-07 | 2005-07-28 | Deltel, Inc./Pbnext | Method and apparatus for telecommunication system |
CN1642051A (zh) | 2004-01-08 | 2005-07-20 | 电子科技大学 | 一种获取最优导引符号功率的方法 |
WO2005065062A2 (en) | 2004-01-09 | 2005-07-21 | Lg Electronics Inc. | Packet transmission method |
US7289585B2 (en) | 2004-01-12 | 2007-10-30 | Intel Corporation | Multicarrier receivers and methods for separating transmitted signals in a multiple antenna system |
JP4167183B2 (ja) | 2004-01-14 | 2008-10-15 | 株式会社国際電気通信基礎技術研究所 | アレーアンテナの制御装置 |
US20050159162A1 (en) | 2004-01-20 | 2005-07-21 | Samsung Electronics Co., Ltd. | Method for transmitting data in mobile communication network |
WO2005069505A1 (en) | 2004-01-20 | 2005-07-28 | Lg Electronics Inc. | Method for transmitting/receiving signal in mimo system |
NZ571456A (en) | 2004-01-20 | 2009-07-31 | Qualcomm Inc | Synchronized broadcast/multicast communication |
US8611283B2 (en) | 2004-01-28 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus of using a single channel to provide acknowledgement and assignment messages |
WO2005081439A1 (en) | 2004-02-13 | 2005-09-01 | Neocific, Inc. | Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback |
US8144735B2 (en) | 2004-02-10 | 2012-03-27 | Qualcomm Incorporated | Transmission of signaling information for broadcast and multicast services |
GB2412541B (en) | 2004-02-11 | 2006-08-16 | Samsung Electronics Co Ltd | Method of operating TDD/virtual FDD hierarchical cellular telecommunication system |
KR100827105B1 (ko) | 2004-02-13 | 2008-05-02 | 삼성전자주식회사 | 광대역 무선 통신 시스템에서 고속 레인징을 통한 빠른핸드오버 수행 방법 및 장치 |
US7564906B2 (en) * | 2004-02-17 | 2009-07-21 | Nokia Siemens Networks Oy | OFDM transceiver structure with time-domain scrambling |
WO2005081437A1 (en) | 2004-02-17 | 2005-09-01 | Huawei Technologies Co., Ltd. | Multiplexing scheme in a communication system |
US8169889B2 (en) | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
JP2005236678A (ja) | 2004-02-19 | 2005-09-02 | Toyota Motor Corp | 移動体用受信装置 |
WO2005086500A1 (en) | 2004-02-27 | 2005-09-15 | Nokia Corporation | Constrained optimization based mimo lmmse-sic receiver for cdma downlink |
US7421041B2 (en) | 2004-03-01 | 2008-09-02 | Qualcomm, Incorporated | Iterative channel and interference estimation and decoding |
US20050195886A1 (en) | 2004-03-02 | 2005-09-08 | Nokia Corporation | CPICH processing for SINR estimation in W-CDMA system |
US7290195B2 (en) | 2004-03-05 | 2007-10-30 | Microsoft Corporation | Adaptive acknowledgment delay |
KR101084113B1 (ko) | 2004-03-05 | 2011-11-17 | 엘지전자 주식회사 | 이동통신의 핸드오버에 적용되는 서비스 정보 전달 방법 |
US20050201296A1 (en) | 2004-03-15 | 2005-09-15 | Telefonaktiebolaget Lm Ericsson (Pu | Reduced channel quality feedback |
WO2005088882A1 (en) | 2004-03-15 | 2005-09-22 | Nortel Netowrks Limited | Pilot design for ofdm systems with four transmit antennas |
US7706350B2 (en) | 2004-03-19 | 2010-04-27 | Qualcomm Incorporated | Methods and apparatus for flexible spectrum allocation in communication systems |
US20050207367A1 (en) | 2004-03-22 | 2005-09-22 | Onggosanusi Eko N | Method for channel quality indicator computation and feedback in a multi-carrier communications system |
US7907898B2 (en) | 2004-03-26 | 2011-03-15 | Qualcomm Incorporated | Asynchronous inter-piconet routing |
JP2005284751A (ja) | 2004-03-30 | 2005-10-13 | Fujitsu Ltd | 論理検証装置、論理検証方法および論理検証プログラム |
JP4288368B2 (ja) | 2004-04-09 | 2009-07-01 | Okiセミコンダクタ株式会社 | 受信制御方法および無線lan装置 |
US7684507B2 (en) | 2004-04-13 | 2010-03-23 | Intel Corporation | Method and apparatus to select coding mode |
US7047006B2 (en) | 2004-04-28 | 2006-05-16 | Motorola, Inc. | Method and apparatus for transmission and reception of narrowband signals within a wideband communication system |
GB0409704D0 (en) | 2004-04-30 | 2004-06-02 | Nokia Corp | A method for verifying a first identity and a second identity of an entity |
KR100594084B1 (ko) | 2004-04-30 | 2006-06-30 | 삼성전자주식회사 | 직교 주파수 분할 다중 수신기의 채널 추정 방법 및 채널추정기 |
CA2506267A1 (en) | 2004-05-04 | 2005-11-04 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry Through The Communications Research Centre | Multi-subband frequency hopping communication system and method |
US7411898B2 (en) | 2004-05-10 | 2008-08-12 | Infineon Technologies Ag | Preamble generator for a multiband OFDM transceiver |
JP4447372B2 (ja) | 2004-05-13 | 2010-04-07 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システム、無線通信装置、無線受信装置、無線通信方法及びチャネル推定方法 |
KR20050109789A (ko) | 2004-05-17 | 2005-11-22 | 삼성전자주식회사 | 공간분할다중화/다중입력다중출력 시스템에서의 빔포밍 방법 |
US7157351B2 (en) | 2004-05-20 | 2007-01-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Ozone vapor clean method |
US20050259005A1 (en) | 2004-05-20 | 2005-11-24 | Interdigital Technology Corporation | Beam forming matrix-fed circular array system |
US8000377B2 (en) | 2004-05-24 | 2011-08-16 | General Dynamics C4 Systems, Inc. | System and method for variable rate multiple access short message communications |
JP4398791B2 (ja) | 2004-05-25 | 2010-01-13 | 株式会社エヌ・ティ・ティ・ドコモ | 送信機および送信制御方法 |
US7551564B2 (en) | 2004-05-28 | 2009-06-23 | Intel Corporation | Flow control method and apparatus for single packet arrival on a bidirectional ring interconnect |
KR100754794B1 (ko) | 2004-05-29 | 2007-09-03 | 삼성전자주식회사 | 이동통신시스템에서 셀 식별 코드 송수신 장치 및 방법 |
US7437164B2 (en) | 2004-06-08 | 2008-10-14 | Qualcomm Incorporated | Soft handoff for reverse link in a wireless communication system with frequency reuse |
US7769107B2 (en) | 2004-06-10 | 2010-08-03 | Intel Corporation | Semi-blind analog beamforming for multiple-antenna systems |
JP2005352205A (ja) | 2004-06-10 | 2005-12-22 | Fujinon Corp | 照明装置 |
US7773950B2 (en) | 2004-06-16 | 2010-08-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Benign interference suppression for received signal quality estimation |
US7724777B2 (en) | 2004-06-18 | 2010-05-25 | Qualcomm Incorporated | Quasi-orthogonal multiplexing for a multi-carrier communication system |
US8068530B2 (en) | 2004-06-18 | 2011-11-29 | Qualcomm Incorporated | Signal acquisition in a wireless communication system |
US7599327B2 (en) | 2004-06-24 | 2009-10-06 | Motorola, Inc. | Method and apparatus for accessing a wireless communication system |
KR101053610B1 (ko) | 2004-06-25 | 2011-08-03 | 엘지전자 주식회사 | Ofdm/ofdma 시스템의 무선자원 할당 방법 |
US7299048B2 (en) | 2004-06-25 | 2007-11-20 | Samsung Electronics Co., Ltd. | System and method for performing soft handover in broadband wireless access communication system |
US8000268B2 (en) | 2004-06-30 | 2011-08-16 | Motorola Mobility, Inc. | Frequency-hopped IFDMA communication system |
US8031686B2 (en) | 2004-06-30 | 2011-10-04 | Neocific, Inc. | Methods and apparatus for power control in multi-carrier wireless systems |
RU2007104027A (ru) | 2004-07-02 | 2008-08-10 | Вайбрейшн Рисерч Корпорейшн (Us) | Система и способ для одновременного управления спектром и эксцессом случайной вибрации |
US8588326B2 (en) | 2004-07-07 | 2013-11-19 | Apple Inc. | System and method for mapping symbols for MIMO transmission |
JP4181093B2 (ja) | 2004-07-16 | 2008-11-12 | 株式会社東芝 | 無線通信システム |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US7676007B1 (en) | 2004-07-21 | 2010-03-09 | Jihoon Choi | System and method for interpolation based transmit beamforming for MIMO-OFDM with partial feedback |
US7567621B2 (en) * | 2004-07-21 | 2009-07-28 | Qualcomm Incorporated | Capacity based rank prediction for MIMO design |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US8477710B2 (en) | 2004-07-21 | 2013-07-02 | Qualcomm Incorporated | Method of providing a gap indication during a sticky assignment |
US10355825B2 (en) * | 2004-07-21 | 2019-07-16 | Qualcomm Incorporated | Shared signaling channel for a communication system |
US7257406B2 (en) | 2004-07-23 | 2007-08-14 | Qualcomm, Incorporated | Restrictive reuse set management |
JP5042830B2 (ja) | 2004-08-03 | 2012-10-03 | エージェンシー フォー サイエンス, テクノロジー アンド リサーチ | デジタルデータストリームの送信方法及び送信機、並びにデジタルデータストリームの受信方法及び受信機 |
JP2006050326A (ja) | 2004-08-05 | 2006-02-16 | Toshiba Corp | 情報処理装置および同装置のシーンチェンジ検出方法 |
US7428426B2 (en) | 2004-08-06 | 2008-09-23 | Qualcomm, Inc. | Method and apparatus for controlling transmit power in a wireless communications device |
US7499393B2 (en) | 2004-08-11 | 2009-03-03 | Interdigital Technology Corporation | Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systems |
US20060040655A1 (en) | 2004-08-12 | 2006-02-23 | Lg Electronics Inc. | Timing of point-to-multipoint control channel information |
US20060218459A1 (en) | 2004-08-13 | 2006-09-28 | David Hedberg | Coding systems and methods |
AU2005273134B2 (en) | 2004-08-17 | 2008-10-02 | Samsung Electronics Co., Ltd. | Apparatus and method for space-time-frequency block coding for increasing performance |
CN1296682C (zh) | 2004-08-17 | 2007-01-24 | 广东省基础工程公司 | 一种隧道过江施工中用于监测河床沉降的装置及其方法 |
US20060039332A1 (en) | 2004-08-17 | 2006-02-23 | Kotzin Michael D | Mechanism for hand off using subscriber detection of synchronized access point beacon transmissions |
US7899497B2 (en) | 2004-08-18 | 2011-03-01 | Ruckus Wireless, Inc. | System and method for transmission parameter control for an antenna apparatus with selectable elements |
US7336727B2 (en) | 2004-08-19 | 2008-02-26 | Nokia Corporation | Generalized m-rank beamformers for MIMO systems using successive quantization |
US20060039344A1 (en) * | 2004-08-20 | 2006-02-23 | Lucent Technologies, Inc. | Multiplexing scheme for unicast and broadcast/multicast traffic |
US7852746B2 (en) | 2004-08-25 | 2010-12-14 | Qualcomm Incorporated | Transmission of signaling in an OFDM-based system |
KR100856249B1 (ko) | 2004-08-26 | 2008-09-03 | 삼성전자주식회사 | 무선 통신 시스템에서 초기 동작 모드 검출 방법 |
US7362822B2 (en) | 2004-09-08 | 2008-04-22 | Intel Corporation | Recursive reduction of channel state feedback |
GB0420164D0 (en) | 2004-09-10 | 2004-10-13 | Nokia Corp | A scheduler |
US7613423B2 (en) | 2004-09-10 | 2009-11-03 | Samsung Electronics Co., Ltd. | Method of creating active multipaths for mimo wireless systems |
KR100715910B1 (ko) * | 2004-09-20 | 2007-05-08 | 삼성전자주식회사 | 다중 접속 방식을 사용하는 이동 통신 시스템의 셀 탐색장치 및 방법 |
RU2285388C2 (ru) | 2004-09-27 | 2006-10-20 | Оао "Онежский Тракторный Завод" | Машина для бесчокерной трелевки деревьев |
WO2006034577A1 (en) | 2004-09-30 | 2006-04-06 | Nortel Networks Limited | Channel sounding in ofdma system |
US8325863B2 (en) | 2004-10-12 | 2012-12-04 | Qualcomm Incorporated | Data detection and decoding with considerations for channel estimation errors due to guard subbands |
US7969858B2 (en) | 2004-10-14 | 2011-06-28 | Qualcomm Incorporated | Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands |
US7636328B2 (en) | 2004-10-20 | 2009-12-22 | Qualcomm Incorporated | Efficient transmission of signaling using channel constraints |
US7616955B2 (en) | 2004-11-12 | 2009-11-10 | Broadcom Corporation | Method and system for bits and coding assignment utilizing Eigen beamforming with fixed rates for closed loop WLAN |
US20060089104A1 (en) | 2004-10-27 | 2006-04-27 | Nokia Corporation | Method for improving an HS-DSCH transport format allocation |
GB2419788B (en) | 2004-11-01 | 2007-10-31 | Toshiba Res Europ Ltd | Interleaver and de-interleaver systems |
US7139328B2 (en) | 2004-11-04 | 2006-11-21 | Motorola, Inc. | Method and apparatus for closed loop data transmission |
US7627051B2 (en) | 2004-11-08 | 2009-12-01 | Samsung Electronics Co., Ltd. | Method of maximizing MIMO system performance by joint optimization of diversity and spatial multiplexing |
TWI410072B (zh) | 2004-11-16 | 2013-09-21 | Qualcomm Inc | 用於藉由無線通訊系統中之站台之速率選擇之裝置、方法及記憶體單元 |
US20060104333A1 (en) | 2004-11-18 | 2006-05-18 | Motorola, Inc. | Acknowledgment for a time division channel |
US20060111054A1 (en) | 2004-11-22 | 2006-05-25 | Interdigital Technology Corporation | Method and system for selecting transmit antennas to reduce antenna correlation |
US7512096B2 (en) | 2004-11-24 | 2009-03-31 | Alcatel-Lucent Usa Inc. | Communicating data between an access point and multiple wireless devices over a link |
US7593473B2 (en) | 2004-12-01 | 2009-09-22 | Bae Systems Information And Electronic Systems Integration Inc. | Tree structured multicarrier multiple access systems |
US7822128B2 (en) | 2004-12-03 | 2010-10-26 | Intel Corporation | Multiple antenna multicarrier transmitter and method for adaptive beamforming with transmit-power normalization |
EP1820287A4 (en) | 2004-12-08 | 2012-07-11 | Korea Electronics Telecomm | Transmitter, receiver and method for controlling a system with multiple inputs and outputs |
US7543197B2 (en) | 2004-12-22 | 2009-06-02 | Qualcomm Incorporated | Pruned bit-reversal interleaver |
US8238923B2 (en) | 2004-12-22 | 2012-08-07 | Qualcomm Incorporated | Method of using shared resources in a communication system |
RU2378771C2 (ru) * | 2004-12-22 | 2010-01-10 | Квэлкомм Инкорпорейтед | Способы и устройства, предназначенные для гибкого переключения каналов в сети связи множественного доступа |
US8179876B2 (en) | 2004-12-22 | 2012-05-15 | Qualcomm Incorporated | Multiple modulation technique for use in a communication system |
US7940710B2 (en) | 2004-12-22 | 2011-05-10 | Qualcomm Incorporated | Methods and apparatus for efficient paging in a wireless communication system |
CN1642335A (zh) | 2005-01-06 | 2005-07-20 | 东南大学 | 移动通信系统混合无线资源管理方法 |
US7778826B2 (en) | 2005-01-13 | 2010-08-17 | Intel Corporation | Beamforming codebook generation system and associated methods |
WO2006077696A1 (ja) | 2005-01-18 | 2006-07-27 | Sharp Kabushiki Kaisha | 無線通信装置、携帯端末および無線通信方法 |
JP2006211537A (ja) | 2005-01-31 | 2006-08-10 | Nec Corp | コード状態変更装置、コード状態変更方法、およびコード状態変更プログラム |
KR100966044B1 (ko) | 2005-02-24 | 2010-06-28 | 삼성전자주식회사 | 다중 셀 통신 시스템에서 주파수 자원 할당 시스템 및 방법 |
KR20060096365A (ko) | 2005-03-04 | 2006-09-11 | 삼성전자주식회사 | 다중 사용자 다중입력 다중출력(mu-mimo)통신시스템의 사용자 스케줄링 방법 |
US8135088B2 (en) | 2005-03-07 | 2012-03-13 | Q1UALCOMM Incorporated | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
US8095141B2 (en) | 2005-03-09 | 2012-01-10 | Qualcomm Incorporated | Use of supplemental assignments |
US20060203794A1 (en) | 2005-03-10 | 2006-09-14 | Qualcomm Incorporated | Systems and methods for beamforming in multi-input multi-output communication systems |
US7720162B2 (en) | 2005-03-10 | 2010-05-18 | Qualcomm Incorporated | Partial FFT processing and demodulation for a system with multiple subcarriers |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US7512412B2 (en) | 2005-03-15 | 2009-03-31 | Qualcomm, Incorporated | Power control and overlapping control for a quasi-orthogonal communication system |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US20090213950A1 (en) | 2005-03-17 | 2009-08-27 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US8031583B2 (en) | 2005-03-30 | 2011-10-04 | Motorola Mobility, Inc. | Method and apparatus for reducing round trip latency and overhead within a communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US7797018B2 (en) | 2005-04-01 | 2010-09-14 | Interdigital Technology Corporation | Method and apparatus for selecting a multi-band access point to associate with a multi-band mobile station |
US7711033B2 (en) | 2005-04-14 | 2010-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | SIR prediction method and apparatus |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US8077692B2 (en) | 2005-05-20 | 2011-12-13 | Qualcomm Incorporated | Enhanced frequency division multiple access for wireless communication |
US7916681B2 (en) | 2005-05-20 | 2011-03-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for communication channel error rate estimation |
JP4599228B2 (ja) | 2005-05-30 | 2010-12-15 | 株式会社日立製作所 | 無線送受信機 |
US8842693B2 (en) | 2005-05-31 | 2014-09-23 | Qualcomm Incorporated | Rank step-down for MIMO SCW design employing HARQ |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US8126066B2 (en) | 2005-06-09 | 2012-02-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Time and frequency channel estimation |
US7403470B2 (en) | 2005-06-13 | 2008-07-22 | Qualcomm Incorporated | Communications system, methods and apparatus |
EP1734773A1 (en) | 2005-06-14 | 2006-12-20 | Alcatel | A method for uplink interference coordination in single frequency networks, a base station a mobile terminal and a mobile network therefor |
JP4869724B2 (ja) | 2005-06-14 | 2012-02-08 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置、送信方法、受信装置及び受信方法 |
US20070071147A1 (en) | 2005-06-16 | 2007-03-29 | Hemanth Sampath | Pseudo eigen-beamforming with dynamic beam selection |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8254924B2 (en) | 2005-06-16 | 2012-08-28 | Qualcomm Incorporated | Method and apparatus for adaptive registration and paging area determination |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8503371B2 (en) | 2005-06-16 | 2013-08-06 | Qualcomm Incorporated | Link assignment messages in lieu of assignment acknowledgement messages |
US8098667B2 (en) | 2005-06-16 | 2012-01-17 | Qualcomm Incorporated | Methods and apparatus for efficient providing of scheduling information |
US8750908B2 (en) | 2005-06-16 | 2014-06-10 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
DE102005028179A1 (de) | 2005-06-17 | 2006-12-28 | Siemens Ag | Verfahren zum Verbindungsaufbau durch mobile Endgeräte in Kommunikationsnetzen mit variablen Bandbreiten |
EP1897245A4 (en) | 2005-06-20 | 2013-01-16 | Texas Instruments Inc | LOW UPLINK POWER SUPPLY CONTROL |
KR100606099B1 (ko) | 2005-06-22 | 2006-07-31 | 삼성전자주식회사 | 주파수 분할 다중 접속 방식시스템에서의 긍정 및 부정응답 채널을 설정하는 방법 및 장치 |
CA2612746A1 (en) | 2005-07-04 | 2007-01-11 | Samsung Electronics Co., Ltd. | Position measuring system and method using wireless broadband (wibro) signal |
US20070025345A1 (en) | 2005-07-27 | 2007-02-01 | Bachl Rainer W | Method of increasing the capacity of enhanced data channel on uplink in a wireless communications systems |
US7403745B2 (en) | 2005-08-02 | 2008-07-22 | Lucent Technologies Inc. | Channel quality predictor and method of estimating a channel condition in a wireless communications network |
US20070183386A1 (en) | 2005-08-03 | 2007-08-09 | Texas Instruments Incorporated | Reference Signal Sequences and Multi-User Reference Signal Sequence Allocation |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US7508842B2 (en) | 2005-08-18 | 2009-03-24 | Motorola, Inc. | Method and apparatus for pilot signal transmission |
DE202006021138U1 (de) | 2005-08-18 | 2013-01-10 | Beceem Communications, Inc. | Antennen-Virtualisierung in Kommunikationssystemen |
JP2009505560A (ja) | 2005-08-19 | 2009-02-05 | ミツビシ・エレクトリック・リサーチ・ラボラトリーズ・インコーポレイテッド | エラーを有するフィードバックによる送信アンテナ選択のための最適なシグナリング及び選択検証 |
US8331463B2 (en) | 2005-08-22 | 2012-12-11 | Qualcomm Incorporated | Channel estimation in communications |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
CA2620217C (en) | 2005-08-24 | 2013-05-28 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US20070047495A1 (en) | 2005-08-29 | 2007-03-01 | Qualcomm Incorporated | Reverse link soft handoff in a wireless multiple-access communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
DE102005041273B4 (de) | 2005-08-31 | 2014-05-08 | Intel Mobile Communications GmbH | Verfahren zum rechnergestützten Bilden von Systeminformations-Medium-Zugriffs-Steuerungs-Protokollnachrichten, Medium-Zugriffs-Steuerungs-Einheit und Computerprogrammelement |
WO2007035048A2 (en) | 2005-09-21 | 2007-03-29 | Lg Electronics Inc. | A method of enabling a combined data rate control lock channel in a wireless communication system |
WO2007045101A2 (en) | 2005-10-21 | 2007-04-26 | Nortel Networks Limited | Multiplexing schemes for ofdma |
US8134977B2 (en) | 2005-10-27 | 2012-03-13 | Qualcomm Incorporated | Tune-away protocols for wireless systems |
US7835460B2 (en) | 2005-10-27 | 2010-11-16 | Qualcomm Incorporated | Apparatus and methods for reducing channel estimation noise in a wireless transceiver |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US20070165738A1 (en) | 2005-10-27 | 2007-07-19 | Barriac Gwendolyn D | Method and apparatus for pre-coding for a mimo system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8649362B2 (en) | 2005-11-02 | 2014-02-11 | Texas Instruments Incorporated | Methods for determining the location of control channels in the uplink of communication systems |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
WO2007065272A1 (en) | 2005-12-08 | 2007-06-14 | Nortel Networks Limited | Resource assignment systems and methods |
US9148795B2 (en) | 2005-12-22 | 2015-09-29 | Qualcomm Incorporated | Methods and apparatus for flexible reporting of control information |
US8437251B2 (en) | 2005-12-22 | 2013-05-07 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
US9451491B2 (en) | 2005-12-22 | 2016-09-20 | Qualcomm Incorporated | Methods and apparatus relating to generating and transmitting initial and additional control information report sets in a wireless system |
KR100793315B1 (ko) | 2005-12-31 | 2008-01-11 | 포스데이타 주식회사 | 다운링크 프리앰블을 이용한 반송파 신호 대 잡음비 측정장치 및 방법 |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
US7486408B2 (en) | 2006-03-21 | 2009-02-03 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method with reduced scribe lane usage for substrate measurement |
US20070242653A1 (en) | 2006-04-13 | 2007-10-18 | Futurewei Technologies, Inc. | Method and apparatus for sharing radio resources in an ofdma-based communication system |
EP1855424B1 (en) | 2006-05-12 | 2013-07-10 | Panasonic Corporation | Reservation of radio resources for users in a mobile communications system |
US8259695B2 (en) | 2007-04-30 | 2012-09-04 | Alcatel Lucent | Method and apparatus for packet wireless telecommunications |
US8254487B2 (en) | 2007-08-09 | 2012-08-28 | Samsung Electronics Co., Ltd. | Method and apparatus of codebook-based single-user closed-loop transmit beamforming (SU-CLTB) for OFDM wireless systems |
US20090180459A1 (en) | 2008-01-16 | 2009-07-16 | Orlik Philip V | OFDMA Frame Structures for Uplinks in MIMO Networks |
KR101563032B1 (ko) | 2008-08-12 | 2015-10-23 | 노오텔 네트웍스 리미티드 | 무선 통신 네트워크에서의 다운링크 투명 중계를 가능하게 하는 방법 |
US8228862B2 (en) | 2008-12-03 | 2012-07-24 | Samsung Electronics Co., Ltd. | Method and system for reference signal pattern design |
US8238483B2 (en) | 2009-02-27 | 2012-08-07 | Marvell World Trade Ltd. | Signaling of dedicated reference signal (DRS) precoding granularity |
US20100232384A1 (en) | 2009-03-13 | 2010-09-16 | Qualcomm Incorporated | Channel estimation based upon user specific and common reference signals |
KR200471652Y1 (ko) | 2013-08-07 | 2014-03-12 | 남경탁 | 의자 일체형 가구 |
-
2005
- 2005-10-27 US US11/261,806 patent/US9225416B2/en active Active
-
2006
- 2006-10-27 KR KR1020087012695A patent/KR101009570B1/ko active IP Right Grant
- 2006-10-27 EP EP06839602A patent/EP1941775B1/en active Active
- 2006-10-27 ES ES06839602T patent/ES2375091T3/es active Active
- 2006-10-27 WO PCT/US2006/060333 patent/WO2007051187A1/en active Application Filing
- 2006-10-27 JP JP2008538198A patent/JP5275037B2/ja active Active
- 2006-10-27 AT AT06839602T patent/ATE536009T1/de active
- 2006-10-27 CN CN2006800398313A patent/CN101297576B/zh active Active
- 2006-10-27 BR BRPI0617871A patent/BRPI0617871B1/pt active IP Right Grant
- 2006-10-27 TW TW095139662A patent/TWI375425B/zh active
- 2006-10-27 CA CA2626790A patent/CA2626790C/en active Active
- 2006-10-27 AU AU2006305700A patent/AU2006305700C1/en not_active Ceased
- 2006-10-27 RU RU2008121201/09A patent/RU2390935C2/ru active
-
2008
- 2008-04-17 IL IL190975A patent/IL190975A0/en unknown
- 2008-05-23 NO NO20082355A patent/NO20082355L/no not_active Application Discontinuation
-
2012
- 2012-01-13 JP JP2012004644A patent/JP5485305B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101615984A (zh) * | 2009-08-07 | 2009-12-30 | 中兴通讯股份有限公司 | 载波聚合下周期性cqi反馈的方法和装置 |
WO2011015097A1 (zh) * | 2009-08-07 | 2011-02-10 | 中兴通讯股份有限公司 | 用于载波聚合的周期性cqi反馈的方法和装置 |
CN101615984B (zh) * | 2009-08-07 | 2013-03-27 | 中兴通讯股份有限公司 | 载波聚合下周期性cqi反馈的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0617871A2 (pt) | 2011-08-09 |
JP2009514456A (ja) | 2009-04-02 |
JP5485305B2 (ja) | 2014-05-07 |
TW200733612A (en) | 2007-09-01 |
RU2390935C2 (ru) | 2010-05-27 |
JP5275037B2 (ja) | 2013-08-28 |
CN101297576B (zh) | 2013-11-06 |
BRPI0617871B1 (pt) | 2019-09-10 |
TWI375425B (en) | 2012-10-21 |
ATE536009T1 (de) | 2011-12-15 |
ES2375091T3 (es) | 2012-02-24 |
WO2007051187A1 (en) | 2007-05-03 |
EP1941775B1 (en) | 2011-11-30 |
RU2008121201A (ru) | 2009-12-10 |
CA2626790A1 (en) | 2007-05-03 |
US9225416B2 (en) | 2015-12-29 |
EP1941775A1 (en) | 2008-07-09 |
AU2006305700C1 (en) | 2010-08-12 |
IL190975A0 (en) | 2008-12-29 |
AU2006305700A1 (en) | 2007-05-03 |
KR101009570B1 (ko) | 2011-01-18 |
KR20080070701A (ko) | 2008-07-30 |
US20070097942A1 (en) | 2007-05-03 |
CA2626790C (en) | 2013-05-28 |
AU2006305700B2 (en) | 2010-03-04 |
NO20082355L (no) | 2008-05-23 |
JP2012130018A (ja) | 2012-07-05 |
WO2007051187A9 (en) | 2008-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101297576B (zh) | 无线通信系统中反向链路的各种信令信道 | |
US11388034B2 (en) | Method and apparatus using cell-specific and common pilot subcarriers in multi-carrier, multi-cell wireless communication networks | |
US10277374B2 (en) | Methods and systems for orthogonal frequency division multiplexing (OFDM) multiple zone partitioning | |
EP2011263B1 (en) | Allocation of reference signals in MIMO system | |
US20160156451A1 (en) | Methods and systems to mitigate inter-cell interference | |
US20140064243A1 (en) | Method and Systems for OFDM Using Code Division Multiplexing | |
WO2009153808A2 (en) | Methods and systems for interference mitigation | |
CN110620606B (zh) | 一种大尺度mimo中的通信方法和装置 | |
CN102714570A (zh) | 用于经由中继装置回程链路传输信号的方法和设备 | |
US8355464B2 (en) | Method for generating and transmitting downlink frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |