DE68923257D1 - Abtrennung von Information durch automatische Verstärkungsregelung in TDMA-Systemen. - Google Patents

Abtrennung von Information durch automatische Verstärkungsregelung in TDMA-Systemen.

Info

Publication number
DE68923257D1
DE68923257D1 DE68923257T DE68923257T DE68923257D1 DE 68923257 D1 DE68923257 D1 DE 68923257D1 DE 68923257 T DE68923257 T DE 68923257T DE 68923257 T DE68923257 T DE 68923257T DE 68923257 D1 DE68923257 D1 DE 68923257D1
Authority
DE
Germany
Prior art keywords
information
interest
transmission
processing
instant
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.)
Expired - Fee Related
Application number
DE68923257T
Other languages
English (en)
Other versions
DE68923257T2 (de
Inventor
Gregory J Dettro
Gerald Paul Labedz
Frederick Garland Atkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE68923257D1 publication Critical patent/DE68923257D1/de
Application granted granted Critical
Publication of DE68923257T2 publication Critical patent/DE68923257T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/10—Arrangements for reducing cross-talk between channels
DE68923257T 1988-11-30 1989-11-23 Abtrennung von Information durch automatische Verstärkungsregelung in TDMA-Systemen. Expired - Fee Related DE68923257T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/277,724 US5638375A (en) 1988-11-30 1988-11-30 AGC isolation of information in TDMA systems

Publications (2)

Publication Number Publication Date
DE68923257D1 true DE68923257D1 (de) 1995-08-03
DE68923257T2 DE68923257T2 (de) 1996-02-15

Family

ID=23062099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923257T Expired - Fee Related DE68923257T2 (de) 1988-11-30 1989-11-23 Abtrennung von Information durch automatische Verstärkungsregelung in TDMA-Systemen.

Country Status (15)

Country Link
US (1) US5638375A (de)
EP (1) EP0372759B1 (de)
JP (1) JPH04503438A (de)
KR (1) KR930008701B1 (de)
AT (1) ATE124581T1 (de)
CA (1) CA2001019C (de)
DE (1) DE68923257T2 (de)
DK (1) DK101791A (de)
ES (1) ES2073445T3 (de)
IE (1) IE71165B1 (de)
IL (1) IL92001A (de)
MX (1) MX172192B (de)
PT (1) PT92432B (de)
TR (1) TR25684A (de)
WO (1) WO1990006641A1 (de)

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GB2243733A (en) * 1990-05-01 1991-11-06 Orbitel Mobile Communications Gain control based on average amplitude of i/p signal
GB2247793A (en) * 1990-09-06 1992-03-11 Motorola Inc Control of pulse power amplifier rise and fall
KR970000793B1 (ko) * 1991-01-16 1997-01-20 모토로라 인코포레이티드 수신기 버스트 신호의 진폭제어
US5369786A (en) * 1991-05-01 1994-11-29 Motorola, Inc. Enhanced power level usage in a radiotelephone system
FR2694853A1 (fr) * 1992-08-14 1994-02-18 Trt Telecom Radio Electr Système de transmissions d'informations comportant au moins une station de base et une station satellite et station faisant partie d'un tel système.
DE59409743D1 (de) * 1993-06-25 2001-06-13 Siemens Ag Verfahren zur Optimierung der automatischen Verstärkereinstellung in Funkempfängern
FI97765C (fi) * 1993-11-26 1997-02-10 Nokia Mobile Phones Ltd Menetelmä sekä kytkentäjärjestely kutsuviestien käsittelemiseksi matkaviestimessä
US5493712A (en) * 1994-03-23 1996-02-20 At&T Corp. Fast AGC for TDMA radio systems
DE4410174A1 (de) * 1994-03-24 1995-09-28 Sel Alcatel Ag Handfunkgerät
CA2206624A1 (en) * 1996-06-10 1997-12-10 Krzysztof Duch Method of establishing a spatially normalized communication path in a networked communications system
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US5930243A (en) * 1996-10-11 1999-07-27 Arraycomm, Inc. Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US7299071B1 (en) 1997-12-10 2007-11-20 Arraycomm, Llc Downlink broadcasting by sequential transmissions from a communication station having an antenna array
DE19805547C1 (de) * 1998-02-11 1999-09-09 Siemens Ag Digitaler Empfänger mit automatischer Verstärkungsregelung
US8538322B1 (en) * 1998-02-23 2013-09-17 Qualcomm Incorporated Transmit and admission control for CDMA satellite communication system
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US20020167918A1 (en) * 1998-12-24 2002-11-14 Brewer Charles R. Real-time satellite communication system using separate control and data transmission paths
US6208626B1 (en) 1998-12-24 2001-03-27 Charles R. Brewer Real-time satellite communication system using separate control and data transmission paths
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6141567A (en) 1999-06-07 2000-10-31 Arraycomm, Inc. Apparatus and method for beamforming in a changing-interference environment
US7139592B2 (en) * 1999-06-21 2006-11-21 Arraycomm Llc Null deepening for an adaptive antenna based communication station
US6985466B1 (en) 1999-11-09 2006-01-10 Arraycomm, Inc. Downlink signal processing in CDMA systems utilizing arrays of antennae
US7065164B1 (en) * 2000-07-17 2006-06-20 Mitsubishi Denki Kabushiki Kaisha Automatic gain control and wireless communication device
US6982968B1 (en) 2000-09-29 2006-01-03 Arraycomm, Inc. Non-directional transmitting from a wireless data base station having a smart antenna system
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US7062294B1 (en) 2000-09-29 2006-06-13 Arraycomm, Llc. Downlink transmission in a wireless data communication system having a base station with a smart antenna system
US7085255B2 (en) * 2000-10-19 2006-08-01 Interdigital Technology Corporation Selectively activated AGC signal measurement unit
DK1458117T3 (da) * 2000-10-19 2006-10-30 Interdigital Tech Corp TDD modtager med seletiv aktiveret AGC-signalmåleenhed
US7151759B1 (en) * 2001-03-19 2006-12-19 Cisco Systems Wireless Networking (Australia) Pty Limited Automatic gain control and low power start-of-packet detection for a wireless LAN receiver
US6934327B1 (en) * 2001-04-23 2005-08-23 Rockwell Collins Acquisition of a continuous-phase modulation waveform
ATE287597T1 (de) * 2001-10-16 2005-02-15 Ericsson Telefon Ab L M Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system
KR100524730B1 (ko) * 2002-11-02 2005-10-31 엘지전자 주식회사 이동 통신 시스템의 초기 동기 검색 방법
JP2010130118A (ja) * 2008-11-25 2010-06-10 Sony Corp 送信装置、受信装置、通信システム、および、受信装置における処理方法
WO2011034636A1 (en) * 2009-09-18 2011-03-24 Qualcomm Incorporated Common channel configuration to facilitate measurement for handover in td-scdma systems
WO2019158183A1 (en) * 2018-02-13 2019-08-22 Abb Schweiz Ag Automatic gain control in a wireless communication network for power grid control

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US3257651A (en) * 1962-04-18 1966-06-21 Lyle D Feisel Pulse position modulation information handling system
US3746993A (en) * 1971-12-27 1973-07-17 Ncr Carrier detection circuit
DE3069679D1 (en) * 1980-12-08 1985-01-03 Ibm Method of transmitting information between stations attached to a unidirectional transmission ring
US4500987A (en) * 1981-11-24 1985-02-19 Nippon Electric Co., Ltd. Loop transmission system
FR2520952A1 (fr) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
JPS59246A (ja) * 1982-06-17 1984-01-05 Fujitsu Ltd トレ−ニング方式
GB2125653B (en) * 1982-08-04 1986-08-13 Plessey Co Plc Improved time slot arrangements for local area network systems
US4554508A (en) * 1983-12-07 1985-11-19 American Microsystems, Incorporated Carrier detection circuit
US4630267A (en) * 1983-12-23 1986-12-16 International Business Machines Corporation Programmable timing and synchronization circuit for a TDMA communications controller
US4625240A (en) * 1984-07-25 1986-11-25 Eeco, Inc. Adaptive automatic gain control
JPS6173416A (ja) * 1984-09-19 1986-04-15 Nec Corp 自動周波数制御・自動利得制御回路
JPS61105143A (ja) * 1984-10-29 1986-05-23 Nec Corp バ−スト信号検出装置
FR2576472B1 (fr) * 1985-01-22 1988-02-12 Alcatel Thomson Faisceaux Procede et dispositif de commande automatique de gain d'un recepteur en acces multiple a repartition temporelle
JPS61170150A (ja) * 1985-01-24 1986-07-31 Nec Corp 時分割多元接続方式における基準局の従局制御装置
US4742512A (en) * 1985-07-19 1988-05-03 Nec Corporation Multipoint communication system having polling and reservation schemes
JPS62214739A (ja) * 1986-03-15 1987-09-21 Nec Corp 同期制御方式
US4745599A (en) * 1987-01-05 1988-05-17 General Electric Company Random access communication system with contention scheduling of subpacketized data transmissions and scheduled retransmission of unsuccessful subpackets
US4852090A (en) * 1987-02-02 1989-07-25 Motorola, Inc. TDMA communications system with adaptive equalization
EP0343189B1 (de) * 1987-02-02 1993-10-27 Motorola, Inc. Vielfachzugriffsübertragungssystem im zeitmultiplex mit adaptiver entzerrung
US4979170A (en) * 1988-01-19 1990-12-18 Qualcomm, Inc. Alternating sequential half duplex communication system
CA1288878C (en) * 1988-08-15 1991-09-10 John D. Mcnicol Timing and carrier recovery in tdma without preamable sequence

Also Published As

Publication number Publication date
TR25684A (tr) 1993-06-14
WO1990006641A1 (en) 1990-06-14
IE71165B1 (en) 1997-01-29
KR900702680A (ko) 1990-12-08
PT92432A (pt) 1990-05-31
EP0372759A2 (de) 1990-06-13
IL92001A0 (en) 1990-07-12
EP0372759A3 (de) 1992-02-19
US5638375A (en) 1997-06-10
CA2001019C (en) 1997-04-22
DK101791A (da) 1991-06-25
EP0372759B1 (de) 1995-06-28
JPH04503438A (ja) 1992-06-18
DK101791D0 (da) 1991-05-28
IL92001A (en) 1994-02-27
ES2073445T3 (es) 1995-08-16
IE893304L (en) 1990-05-30
KR930008701B1 (ko) 1993-09-13
MX172192B (es) 1993-12-07
ATE124581T1 (de) 1995-07-15
CA2001019A1 (en) 1990-05-31
PT92432B (pt) 1994-02-28
DE68923257T2 (de) 1996-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee