CN101156322A - 用于在无线通信网络中实现反馈的方法和系统 - Google Patents
用于在无线通信网络中实现反馈的方法和系统 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
- H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
Abstract
Description
语法 | 比特大小 | 注释 |
Feedbackpooling IE(){ | ||
Extended UIUC | 4 | 标识IE的类型 |
Length | 4 | 消息的字节长度 |
Num Allocation | 4 | 这个IE中的分配数 |
For(i=0;i<Num Allocationpoll;i++){ | ||
Feedback channelassignedindicator | 1 | 0:BS在轮询一个不具有已分配的专用反馈信道的MSS1:BS正在轮询一个具有已分配的专用反馈信道的MSS |
If(feedbackchannel assignedindicator==0){ | ||
CID | 16 | 被轮询MSS的基本ID |
Feedback channeloffset | 6 | UIUC所标记的到快速反馈信道区域的指数 |
} | ||
else{ | ||
CQICH ID | 变量 | 使用CQICH_alloc_IE来分配 |
} | ||
Feedback type | 4 | |
} | ||
} |
反馈类型 | 反馈内容 | 描述 |
0b0000 | MIMO反馈类型(下表4中的0b0000-0110)+反馈有效载荷 | MIMO模式和置换反馈 |
0b0001 | DL平均CQI(5比特) | 5比特CQI反馈 |
0b0010 | 天线指数(2比特)+MIMO系数(5比特) | MIMO系数反馈 |
0b0011 | 优选的DIUC(4比特) | 优选的DL信道DIUC反馈 |
0b0100 | UL-TX-功率(7比特) | UP传输功率 |
0b0101 | 优选的DIUC(4比特)+UL-TX-功率(7比特)+UL头空间(6比特) | PHY信道反馈 |
0b0110 | 群数,A(2比特)+’群指数(2比特)+CQI(5比特)’的A出现 | 天线群的CQI |
0b0111 | 频带数,B(2比特)+’频带指数(6比特)+CQI(5比特)’的B出现 | CQI的多频带 |
0b1000 | 反馈类型数,C(2比特)+’反馈类型(4比特)+反馈内容(变量)’的C出现 | 多个反馈类型 |
0b1001-0b111 | 预留 |
语法 | 比特大小 | 注释 |
Feedbackpooling IE(){ | ||
Extended UIUC | 4 | 标识IE的类型 |
Length | 4 | 后面字段的字节长度 |
For(i=0;i<NumAllocations;i++) | ||
{ | ||
Basic ID | ||
UIUC | ||
Feedback type | 6 | |
Allocation offset | 3 | UL反馈应该在比当前帧延迟0-8帧的帧中被发射 |
Duration | 10 | 在OFDM时隙中 |
} | ||
} |
语法 | 比特大小 | 注释 |
Feedbackpolling IE(){ | ||
Extended UIUC | 4 | 标识IE的类型 |
Length | 8 | 消息的字节长度 |
Num allocations | 4 | 这个IE中的分配数 |
Dedicated ULAllocationincluded | 1 | 0:在反馈轮询IE中没有分配专用UL资源。BS应该在每个这个IE定义的指定发射帧处通过UL映射IE来分配UL资源。1:专用UL资源被包括在该IE中 |
Reserved | 3 | 被设置成零 |
For(i=0;i<NumAllocations;i++){ | ||
Basic CID | 16 | 被轮询的MSS的基本ID |
AllocationDuration(d) | 该分配对于从帧偏移定义的帧开始的10x2d帧有效如果d=0b000,则预先调度的反馈报头传输被释放如果d=0b111,则预先调度的反馈报头传输将一直有效直到BS命令释放它为止 | |
If(d!=000){ |
Feedback type | 4 | |
Frame offset | 6 | 与当前帧的偏移(以帧为单位),其中第一反馈报头应该在已分配的UL资源上被发射。帧偏移的开始值应该是1 |
Period(p) | 2 | UL资源区域每2P帧被专用到MS |
If(Dedicated ULAllocationincluded==1){ | ||
UIUC | 4 | |
OFDMA symboloffset | 8 | |
Subchanneloffset | 7 | |
Duration | 3 | 在OFDMA时隙中 |
Repetitioncoding indication | 2 | 0b00-不重复编码0b01-使用2次重复编码0b10-使用4次重复编码0b11-使用6次重复编码 |
} | ||
} | ||
} | ||
Padding bits | ||
} |
值 | 描述 |
0b0000 | STTD和PUSC/FUSC置换 |
0b0001 | STTD和相邻子载波置换 |
0b0010 | SM和PUSC/FUSC置换 |
0b0011 | SM和相邻子载波置换 |
0b0100 | 闭环SM和PUSC/FUSC置换 |
0b0101 | 闭环SM和相邻子载波置换 |
0b0110 | 闭环SM+波束成形和相邻子载波置换 |
0b0111 | 期望锚定BS的TEMP_BS_ID(TEMP_BS_ID在该BS被添加到MSS激活组中的时候被分配) |
其它 | 预留 |
名称 | 比特大小 | 描述 |
反馈类型 | 4 | 反馈类型 |
反馈内容 | 12 |
语法 | 比特大小 | 注释 |
CQICH EnhancedAlloc IE(){ | ||
Extended-2 UIUC | 4 | CQICH EnhanceAlloc IE()=0x00(标识IE的类型) |
Length | 4 | 后续字段的字节长度 |
CQICH ID | 变量 | 唯一地标识被分配给MSS的CQICH资源的指数 |
Period(=p) | 2 | CQI反馈每2^p帧在CQICH上被发射 |
Frame offset | 3 | MSS在数量具有与指定帧偏移相同的3LSB的帧处开始报告。如果当前帧被指定,则MSS在8帧中开始报告 |
Duration(=d) | 3 | 对于10x2^d帧,CQI反馈在由CQICHID指示的CQI信道上被发射。如果d==0b000,则CQICH |
重新分配。如果d==0b111,则MMS应该报告直到BS命令MSS停止为止。 | ||
CQICH Num | 2 | 被分配给这个CQICHID的CQICH数目是(CQICH Num+1) |
For(i=0;i<Num CQI CH Num+1;i++){ | ||
Feedback type | 4 | 取决于CQICH类型,0b000-0b010=快速DL测量/缺省反馈0b011=量化预编码加权反馈0b100=代码本中的预编码矩阵的指数0b101=信道矩阵信息0b111=MIMO模式和置换模式反馈0b110=预留 |
Allocationindex} | 6 | 通过UIUC=0标记的到快速反馈信道区域的指数 |
CQICH Type | 0b000=6比特CQI0b001=DIUC-CQI0b010=3比特0b011=4比特0b100=50b101-0b111=预留DIUC-CQI是使用置 |
换和从DIUC导出的编码级别的CQI信道 | ||
If(feedbacktype==0b111){ | ||
MIMOpermutationfeedback cycle} | 00=没有MIMO和置换模式反馈01=MIMO和置换模式指示应该每4帧在CQICH ID指示的CQICH上被发射。第一指示在第8CQICH帧上被发送10=MIMO模式和置换模式指示应该每8帧在CQICH_ID指示的CQICH上被发射。第一指示在第8CQICH帧上被发送。11=MIMO模式和置换模式指示应该每16帧在CQICH ID指示的CQICH上被发射。第一指示在第16CQICH帧上被发送 | |
Padding | 变量 | 填充比特被用来确保IE大小是整数字节 |
} |
值 | 描述 |
0b0000 | STTD和PUSC/FUSC置换 |
0b0001 | STTD和相邻子载波置换 |
0b0010 | SM和PUSC/FUSC置换 |
0b0011 | SM和相邻子载波置换 |
0b0100 | 混合和PUSC/FUSC置换 |
0b0101 | 混合和相邻子载波置换 |
101110-110110 | 取决于使用天线群、天线选择还是减小的预编码矩阵代码本 |
110111 | 用1数据流的闭环预编码 |
111000 | 用2数据流的闭环预编码 |
111001 | 用3数据流的闭环预编码 |
111010 | 用4数据流的闭环预编码 |
111011-111111 | 预留 |
语法 | 比特大小 | 注释 |
MIMO CQICHAlloc IE(){ | ||
Extended UIUC | 4 | 标识IE的类型 |
Length | 4 | 后面字段的字节长度 |
NumAssignments | 5 | 这个IE中的分配数 |
For(i=0;i<Num Assignments;i++){ | ||
CID | 16 | MSS基本CID |
Duration(d) | 3 | CQICH被分配给MSS10x2d帧如果d=0b000,则CQICHI被重新分配如果d=0b111,则MSS应该用已分配资源来报告反馈信息,直到BS命令MSS停止为止 |
Frame offset | 3 | MSS在与指定帧偏移具有相同3LSB的帧数处开始提供MIMO反馈。如果当前帧被 |
指定,则MSS应该在8个帧中开始发射反馈 | ||
If(d!=0b000) | ||
Num CQICHAllocation | 4 | 被分配给由MSS基本CID标识的MSS的CQICH数 |
Num MIMOfeedback | 3 | 基于在下面定义的“格式化指数”字段来格式化的反馈值数量 |
Length of bandindex | 3 | AMC频带指数的长度指示 |
Length of CQIvalue index | 2 | CQI值指数的长度指示0b00:4比特0b01:5比特0b10:6比特0b11:预留 |
格式化指数 | 3 | 参见下表9 |
} | ||
} | ||
} |
格式化指数 | 反馈内容 |
1.(STTD/BLAST分集置换) | STTD/BLAST选择(1比特)+平均CQI(比特数=在对应MIMO CQICHAlloc IE中指定的CQI值指数的长度,例如4/5/6比特) |
2.STTD/BLAST天线置换 | STTD/BLAST选择(1比特)+天线群指数(2比特)+平均CQI(比特数=在对应的MIMO CQICH AllocIE中指定的CQI值指数的长度,例如4/5/6比特) |
3.用于AMC频带置换的STTD/BLAST | 层指数(2比特)+AMC频带指数(比特数=在对应的MIMO CQICHAlloc IE中指定的频带指数的长度)+CQI(比特数=在对应的MIMO CQICH Alloc IE中指定的CQI值指数的长度,例如4/5/6比特) |
4.用于AMC频带置换的反馈信道H | 层指数(2比特)+H(取决于天线配置为xx比特) |
5.用于AMC频带置换的反馈传输加权 | 层指数(2比特)+W(取决于天线配置为xx比特)+CQI(比特数=在对应的MIMO CQICH Alloc IE中指定的CQI值指数的长度,例如4/5/6比特) |
6.用于AMC频带和置换的反馈V矩阵 | 层指数(2比特)+V(取决于天线配置为xx比特)+CQI(比特数=在对应的MIMO CQICH Alloc IE中指定的CQI值指数的长度,例如4/5/6比特) |
语法 | 比特大小 | 注释 |
For(i=0;i<Num MIMO feedback;i++) | 如果Num MIMO反馈大于1,则基于层或基于AMC频带的反馈的顺序应该是具有最大CQI的层或AMC频带首先出现 | |
{ | ||
Feedbackcontent formattedas indicated byformat index | 3 | 参见表9中的“反馈内容” |
} | ||
If(formatindex==4) | ||
Averageinterference | 4 | 平均干涉 |
If(formatindex==3) | ||
STTD/BLASTSelection | 1 | 0b0:STTD被选择0b1:BLAST被选择 |
语法 | 比特大小 | 注释 |
MIMO FeedbackRequest messageforma(){ | ||
Num MIMOfeedback | 3 | 基于下面定义的格式化指数被格式化的反馈值数量 |
Length of bandindex | 3 | AMC频带指数的长度指示 |
Length of CQIvalue index | 3 | CQI值指数的长度指示 |
Format index | 3 | 参见表9 |
} |
语法 | 比特大小 | 注释 |
MIMO Feedbackresponse messageformat(){ | ||
Num MIMOfeedback | 3 | 基于在下文定义的格式化指数被格式化的反馈值数量 |
Format index | 3 | |
For(i=0;i<Num MIMO feedback;i++) | 如果Num MIMO反馈大于1,则基于层或基于AMC频带的反馈的顺序应该是具有最大COJ的层或AMC频带首先出现 | |
{ | ||
Feedbackcontent formattedas indicated byformat inde x | 3 | 参见表9中的“反馈内容” |
If(fo rmatindex==4) | ||
Averageinterference | 4 | 平均干涉 |
If(formatindex==3) | ||
STTD/BLASTselection | 1 | 0b0:STTD被选择0b1:BLAST被选择 |
} |
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US60/582,298 | 2004-06-24 | ||
US60117804P | 2004-08-13 | 2004-08-13 | |
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US60/642,697 | 2005-01-10 | ||
PCT/CA2005/000959 WO2005125020A1 (en) | 2004-06-22 | 2005-06-22 | Methods and systems for enabling feedback in wireless communication networks |
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- 2005-06-22 US US11/630,473 patent/US8023466B2/en active Active
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- 2011-08-30 US US13/221,535 patent/US8331324B2/en active Active
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2012
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US8223740B2 (en) | 2005-03-04 | 2012-07-17 | Lg Electronics Inc. | Method of transmitting feedback information in a multi-input, multi-output (MIMO) system |
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CN111510275B (zh) * | 2015-03-15 | 2022-10-28 | 高通股份有限公司 | 用于无线通信的自含式时分双工(tdd)子帧结构 |
US11622361B2 (en) | 2015-03-15 | 2023-04-04 | Qualcomm Incorporated | Mission critical data support in self-contained time division duplex (TDD) subframe structure |
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US11509419B2 (en) | 2019-09-25 | 2022-11-22 | Qualcomm Incorporated | Acknowledgement and retransmission techniques utilizing secondary wireless channel |
Also Published As
Publication number | Publication date |
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US8537782B2 (en) | 2013-09-17 |
US20090129334A1 (en) | 2009-05-21 |
US20110310847A1 (en) | 2011-12-22 |
US8165094B2 (en) | 2012-04-24 |
US8446879B2 (en) | 2013-05-21 |
CN101156322B (zh) | 2013-11-20 |
WO2005125250A1 (en) | 2005-12-29 |
US20120327905A1 (en) | 2012-12-27 |
US20110310846A1 (en) | 2011-12-22 |
US8279836B2 (en) | 2012-10-02 |
US20110310725A1 (en) | 2011-12-22 |
US8249024B2 (en) | 2012-08-21 |
US20130322399A1 (en) | 2013-12-05 |
US8023466B2 (en) | 2011-09-20 |
US20110310848A1 (en) | 2011-12-22 |
US8331324B2 (en) | 2012-12-11 |
US20120281676A1 (en) | 2012-11-08 |
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