DE60017836D1 - Drahtloses System mit Mehrfachsendeantennenanordnung mit Kombination van Sende-Diversity mit offenem Regelkreis und mit geschlossenem Regelkreis - Google Patents

Drahtloses System mit Mehrfachsendeantennenanordnung mit Kombination van Sende-Diversity mit offenem Regelkreis und mit geschlossenem Regelkreis

Info

Publication number
DE60017836D1
DE60017836D1 DE60017836T DE60017836T DE60017836D1 DE 60017836 D1 DE60017836 D1 DE 60017836D1 DE 60017836 T DE60017836 T DE 60017836T DE 60017836 T DE60017836 T DE 60017836T DE 60017836 D1 DE60017836 D1 DE 60017836D1
Authority
DE
Germany
Prior art keywords
loop
closed
open
combination
antenna system
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 - Lifetime
Application number
DE60017836T
Other languages
English (en)
Other versions
DE60017836T2 (de
Inventor
Anand G Dabak
Sirnath Hosur
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE60017836D1 publication Critical patent/DE60017836D1/de
Publication of DE60017836T2 publication Critical patent/DE60017836T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0673—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using feedback from receiving side

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60017836T 1999-05-28 2000-05-26 Drahtloses System mit Mehrfachsendeantennenanordnung mit Kombination van Sende-Diversity mit offenem Regelkreis und mit geschlossenem Regelkreis Expired - Lifetime DE60017836T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13641399P 1999-05-28 1999-05-28
US136413P 1999-05-28

Publications (2)

Publication Number Publication Date
DE60017836D1 true DE60017836D1 (de) 2005-03-10
DE60017836T2 DE60017836T2 (de) 2006-05-11

Family

ID=22472751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60017836T Expired - Lifetime DE60017836T2 (de) 1999-05-28 2000-05-26 Drahtloses System mit Mehrfachsendeantennenanordnung mit Kombination van Sende-Diversity mit offenem Regelkreis und mit geschlossenem Regelkreis

Country Status (4)

Country Link
US (2) US6594473B1 (de)
EP (1) EP1073212B1 (de)
JP (1) JP2001044900A (de)
DE (1) DE60017836T2 (de)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6775260B1 (en) * 1999-02-25 2004-08-10 Texas Instruments Incorporated Space time transmit diversity for TDD/WCDMA systems
US6721299B1 (en) * 1999-03-15 2004-04-13 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US6791960B1 (en) 1999-03-15 2004-09-14 Lg Information And Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7496132B2 (en) * 1999-03-15 2009-02-24 Kg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6891815B1 (en) * 1999-03-15 2005-05-10 Young-Joon Song Pilot signals for synchronization and/or channel estimation
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
KR100294711B1 (ko) * 1999-03-15 2001-07-12 서평원 최적의 파일럿 심볼을 이용한 프레임 동기 방법
US6594473B1 (en) * 1999-05-28 2003-07-15 Texas Instruments Incorporated Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
KR100689398B1 (ko) * 1999-10-09 2007-03-08 삼성전자주식회사 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법
AU2000231670A1 (en) * 2000-03-15 2001-09-24 Nokia Corporation Transmit diversity method and system
JP2001267991A (ja) * 2000-03-16 2001-09-28 Sony Corp 送信装置、送信方法、通信システム及びその通信方法
KR100615887B1 (ko) * 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
FI20000851A (fi) * 2000-04-10 2001-10-11 Nokia Networks Oy Tiedonsiirtomenetelmä ja radiojärjestelmä
KR100493150B1 (ko) * 2000-04-10 2005-06-02 삼성전자주식회사 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법
US7139324B1 (en) * 2000-06-02 2006-11-21 Nokia Networks Oy Closed loop feedback system for improved down link performance
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
WO2002003599A1 (fr) * 2000-07-04 2002-01-10 Thales Systemes et procedes de transmission numerique a codage espace-temps
EP1612966B1 (de) * 2000-08-10 2007-12-12 Fujitsu Limited Vorrichtung zur Kommunikation mit Diversität
JP2002064414A (ja) * 2000-08-14 2002-02-28 Sony Corp 通信システム及び通信方法、並びに通信端末
US6778612B1 (en) * 2000-08-18 2004-08-17 Lucent Technologies Inc. Space-time processing for wireless systems with multiple transmit and receive antennas
US8339935B2 (en) * 2000-09-01 2012-12-25 Apple Inc. Adaptive time diversity and spatial diversity for OFDM
US6985434B2 (en) * 2000-09-01 2006-01-10 Nortel Networks Limited Adaptive time diversity and spatial diversity for OFDM
EP1686703B1 (de) * 2000-09-01 2011-04-27 Nortel Networks Limited Verfahren und Vorrichtung zur adaptiven Raumdiversität und Zeitdiversität für OFDM
US6842487B1 (en) * 2000-09-22 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Cyclic delay diversity for mitigating intersymbol interference in OFDM systems
EP1334573B1 (de) * 2000-11-17 2006-06-14 Nokia Corporation Verfahren, vorrichtungen und telekommunikationsnetzwerk zum regeln der antennengewichte eines transceivers
US20020110108A1 (en) * 2000-12-07 2002-08-15 Younglok Kim Simple block space time transmit diversity using multiple spreading codes
US7050510B2 (en) * 2000-12-29 2006-05-23 Lucent Technologies Inc. Open-loop diversity technique for systems employing four transmitter antennas
GB2399998B (en) * 2001-02-01 2005-04-13 Fujitsu Ltd Communications systems
KR100464375B1 (ko) * 2001-02-21 2005-01-13 삼성전자주식회사 역방향 동기 전송을 위한 부호분할다중접속 통신시스템의 기지국 송신 시간 조정 방법
CA2374699C (en) * 2001-03-06 2009-02-03 Research In Motion Limited Method and apparatus for frequency tracking in a space time transmit diversity receiver
US8290098B2 (en) * 2001-03-30 2012-10-16 Texas Instruments Incorporated Closed loop multiple transmit, multiple receive antenna wireless communication system
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
US7092450B1 (en) * 2001-04-09 2006-08-15 At&T Corp. Frequency-domain method for joint equalization and decoding of space-time block codes
US7379508B1 (en) * 2001-04-09 2008-05-27 At&T Corp. Frequency-domain method for joint equalization and decoding of space-time block codes
FI20010963A0 (fi) * 2001-05-08 2001-05-08 Nokia Corp Adaptiivinen symbolikuvaus matkaviestinjärjestelmässä
US8675772B2 (en) * 2001-05-09 2014-03-18 Alcatel Lucent Method for multiple antenna transmission using partial channel knowledge
US7321636B2 (en) * 2001-05-31 2008-01-22 Magnolia Broadband Inc. Communication device with smart antenna using a quality-indication signal
US8249187B2 (en) 2002-05-09 2012-08-21 Google Inc. System, method and apparatus for mobile transmit diversity using symmetric phase difference
US7499499B2 (en) 2001-06-04 2009-03-03 Alcatel-Lucent Usa Inc. Method for multiple antenna transmission
US7103382B2 (en) * 2001-07-10 2006-09-05 Kyocera Wireless Corp. System and method for receiving and transmitting information in a multipath environment
US6996380B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Communication system employing transmit macro-diversity
US6980778B2 (en) * 2001-07-30 2005-12-27 Lucent Technologies Inc. Split shift phase sweep transmit diversity
US7035599B2 (en) * 2001-07-30 2006-04-25 Lucent Technologies Inc. Biased phase sweep transmit diversity
ES2354682T3 (es) * 2001-08-09 2011-03-17 Qualcomm Incorporated Transmisor de diversidad y procedimiento de transmisión de diversidad.
EP1284545B1 (de) * 2001-08-13 2008-07-02 Motorola, Inc. Drahtlose Kommunikation mit Sendediversität
WO2003023996A1 (en) * 2001-09-12 2003-03-20 Infineon Technologies Ag Cdma wireless systems
US7227905B2 (en) * 2001-09-18 2007-06-05 Lucent Technologies Inc. Open-loop diversity technique for systems employing multi-transmitter antennas
JP3932906B2 (ja) * 2002-01-23 2007-06-20 日本電気株式会社 基地局装置及びそれを用いた移動通信システム
GB2384660B (en) * 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
US7444161B2 (en) 2002-03-22 2008-10-28 Huawei Technologies Co., Ltd. Self & minus; adaptive weighted space time transmitting diversity method and system thereof
KR100886534B1 (ko) * 2002-03-27 2009-03-02 삼성전자주식회사 코드 분할 다중 접속 통신 시스템에서 시공간 송신 다이버시티 방식을 이용한 채널 신호 수신 장치 및 방법
SG107589A1 (en) * 2002-05-03 2004-12-29 Sony Electronics Singapore Pte Receiver method and apparatus for space-time coded cdma signals
FI20020880A0 (fi) * 2002-05-08 2002-05-08 Nokia Corp Tiedonsiirtomenetelmä - ja järjestelmä
KR100899735B1 (ko) * 2002-07-03 2009-05-27 삼성전자주식회사 이동 통신 시스템에서 적응적 전송 안테나 다이버시티장치 및 방법
US20040008648A1 (en) * 2002-07-11 2004-01-15 Schmidl Timothy M. Diversity decisions for downlink antenna transmission
KR100550769B1 (ko) * 2002-08-19 2006-02-08 엘지전자 주식회사 다중 입출력 통신 시스템에서의 신호 처리 방법
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US6987952B2 (en) * 2002-09-30 2006-01-17 Nokia Corporation Apparatus, and associated method, for effectuating transmit diversity in a communication system
KR100541285B1 (ko) * 2002-10-02 2006-01-10 엘지전자 주식회사 다중 입출력 통신 시스템에서의 신호 처리 방법
US7412212B2 (en) * 2002-10-07 2008-08-12 Nokia Corporation Communication system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US20040132414A1 (en) * 2002-11-29 2004-07-08 Sendyk Andrew M. Method, apparatus and system for multiple signal transmission, reception, and restoration
US7155177B2 (en) * 2003-02-10 2006-12-26 Qualcomm Incorporated Weight prediction for closed-loop mode transmit diversity
KR100575930B1 (ko) * 2003-05-16 2006-05-02 삼성전자주식회사 송신다이버시티를 사용하는 이동통신 시스템에 있어송신다이버시티의 방식 전환 장치 및 방법
US20050042988A1 (en) * 2003-08-18 2005-02-24 Alcatel Combined open and closed loop transmission diversity system
US20050048933A1 (en) * 2003-08-25 2005-03-03 Jingxian Wu Adaptive transmit diversity with quadrant phase constraining feedback
US20050047517A1 (en) * 2003-09-03 2005-03-03 Georgios Giannakis B. Adaptive modulation for multi-antenna transmissions with partial channel knowledge
FR2860666A1 (fr) * 2003-10-03 2005-04-08 France Telecom Procede d'emission multi-antennes d'un signal par codes espaces-temps en bloc, procede de recuperation et signal correspondant
US8705659B2 (en) * 2003-11-06 2014-04-22 Apple Inc. Communication channel optimization systems and methods in multi-user communication systems
US7746800B2 (en) * 2003-11-21 2010-06-29 Nokia Corporation Flexible rate split method for MIMO transmission
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
US6995693B1 (en) * 2003-12-04 2006-02-07 Rockwell Collins, Inc. Method and apparatus for multiple input diversity decoding
KR100587417B1 (ko) * 2003-12-22 2006-06-08 한국전자통신연구원 주파수 분할 다중화를 사용하는 무선통신 시스템에서의적응 송수신 장치 및 그 방법
EP1709752B1 (de) 2004-01-20 2016-09-14 LG Electronics, Inc. Verfahren zum senden/empfangen eines signals in einem mimo-system
CN103297204B (zh) * 2004-04-02 2017-03-01 苹果公司 用于正交频分复用应用的空间时间发射分集系统及方法
JP4433867B2 (ja) * 2004-04-28 2010-03-17 ソニー株式会社 無線通信システム
US8089855B2 (en) * 2004-06-04 2012-01-03 Qualcomm Incorporated Transmission of overhead information for broadcast and multicast services in a wireless communication system
US7564915B2 (en) * 2004-06-16 2009-07-21 Samsung Electronics Co., Ltd. Apparatus and method for coding/decoding pseudo orthogonal space-time block code in a mobile communication system using multiple input multiple output scheme
US20060008021A1 (en) * 2004-06-30 2006-01-12 Nokia Corporation Reduction of self-interference for a high symbol rate non-orthogonal matrix modulation
KR100876797B1 (ko) * 2004-07-13 2009-01-07 삼성전자주식회사 다중 안테나 시스템에서의 빔포밍 장치 및 방법
TWI543572B (zh) 2004-08-12 2016-07-21 內數位科技公司 正交分頻多工無線通信系統中實施空間頻率區塊編碼方法及裝置
KR100913873B1 (ko) * 2004-09-13 2009-08-26 삼성전자주식회사 고속 전송률을 가지는 차등 시공간 블록 부호 장치 및 방법
US7593493B2 (en) * 2004-10-06 2009-09-22 Broadcom Corporation Method and system for pre-equalization in a single weight (SW) single channel (SC) multiple-input multiple-output (MIMO) system
JP4785377B2 (ja) 2004-12-14 2011-10-05 株式会社エヌ・ティ・ティ・ドコモ 無線回線制御局、移動通信システム及び移動通信方法
US7660598B2 (en) * 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
KR100677542B1 (ko) 2004-12-24 2007-02-02 삼성전자주식회사 다중입출력 시스템을 단일 직렬 인터페이스를 통해제어하는 방법 및 그 장치
JP4824701B2 (ja) * 2004-12-30 2011-11-30 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 携帯電話システムにおける無線基地局用アンテナ装置
CN1841962A (zh) * 2005-03-30 2006-10-04 松下电器产业株式会社 发送系统和方法及接收系统和方法
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
CN100576838C (zh) * 2005-06-29 2009-12-30 美国博通公司 使用复数信号交换的块编码模块和块编码方法
US7593475B2 (en) * 2005-06-29 2009-09-22 Broadcom Corporation Space-time and/or space-frequency block coding using complex signal swapping
JP4708910B2 (ja) * 2005-08-09 2011-06-22 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムの制御方法、制御装置、移動通信システム
JP2007087032A (ja) * 2005-09-21 2007-04-05 Toshiba Tec Corp 無線タグ読取り装置
US8219042B2 (en) * 2005-09-26 2012-07-10 Sharp Kabushiki Kaisha Wireless communication system, base station device, mobile station device, and macrodiversity selection method
JP4645836B2 (ja) * 2005-10-28 2011-03-09 日本電気株式会社 無線通信システム及び方法
CN101322110A (zh) * 2005-11-09 2008-12-10 诺基亚公司 通过直接存储器访问控制器提供数据串行化的装置、方法和计算机程序产品
WO2007123904A1 (en) * 2006-04-18 2007-11-01 Interdigital Technology Corporation Method and apparatus for implementing h-arq in a mimo wireless communication system
KR100902896B1 (ko) 2006-08-18 2009-06-15 엘지전자 주식회사 피드백 정보의 오류에 대비한 신호 송수신 방법
EP2057754B1 (de) * 2006-08-21 2016-07-27 Koninklijke Philips N.V. Raum-zeit-/raum-frequenz-kodierung für mehrstellige und mehrstrahlige übertragung
WO2008041819A2 (en) 2006-10-02 2008-04-10 Lg Electronics Inc. Methods for transmitting downlink control signal
CN101627567B (zh) 2006-10-02 2014-07-02 Lg电子株式会社 用于使用有效的复用来传输控制信号的方法
ES2902275T3 (es) 2007-03-19 2022-03-25 Lg Electronics Inc Un método de asignación de recursos y un método para transmitir/recibir información de asignación de recursos en un sistema de comunicación móvil
KR101049138B1 (ko) 2007-03-19 2011-07-15 엘지전자 주식회사 이동 통신 시스템에서, 수신확인신호 수신 방법
KR101468490B1 (ko) 2007-05-02 2014-12-10 삼성전자주식회사 무선 통신 시스템에서 제어 채널들의 집합을 한정하여 송수신하는 방법 및 장치
KR100908063B1 (ko) * 2007-06-13 2009-07-15 엘지전자 주식회사 이동 통신 시스템에서 확산신호를 송신하는 방법
KR100913090B1 (ko) 2007-06-13 2009-08-21 엘지전자 주식회사 통신 시스템에서 확산 신호를 송신하는 방법
KR100900289B1 (ko) 2007-06-21 2009-05-29 엘지전자 주식회사 직교 주파수 분할 다중화 시스템에서 제어 채널을 송수신하는 방법
EP2182650B1 (de) 2007-08-21 2014-12-17 Fujitsu Limited Mobilstation und übertragungsdiversitäts-steuerverfahren
EP2187540B1 (de) * 2007-09-06 2016-04-06 Fujitsu Limited Mobilkommunikationssystem mit einer adaptiven mehrfachantenne
US8503360B2 (en) * 2009-06-26 2013-08-06 Qualcomm Incorporated Method and apparatus for facilitating multi-user joint transmit-receive beamforming
JP5548815B2 (ja) * 2010-03-16 2014-07-16 テレフオンアクチーボラゲット エル エム エリクソン（パブル） オープンループマルチストリーム送信とクローズドループマルチストリーム送信との切換え
WO2013157046A1 (ja) * 2012-04-20 2013-10-24 富士通株式会社 無線局及び無線通信システム
US10211893B2 (en) * 2015-04-17 2019-02-19 Qualcomm Incorporated Efficient channel estimation using Golay sequences
US10673500B2 (en) * 2018-06-25 2020-06-02 Qualcomm Incorporated Hybrid closed-loop multiple-input multiple-output and transparent diversity schemes
RU2765782C1 (ru) * 2021-07-09 2022-02-02 Федеральное государственное автономное образовательное учреждение высшего образования «Санкт-Петербургский государственный университет аэрокосмического приборостроения» Способ разнесенной передачи

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564952A (en) * 1983-12-08 1986-01-14 At&T Bell Laboratories Compensation of filter symbol interference by adaptive estimation of received symbol sequences
US5259003A (en) * 1991-11-08 1993-11-02 Teknekron Communications Systems, Inc. Method of encoding two digital data signals
US5953659A (en) * 1997-05-05 1999-09-14 Motorola, Inc. Method and apparatus for producing delay of a carrier signal for implementing spatial diversity in a communications system
US6185258B1 (en) * 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
US6178196B1 (en) * 1997-10-06 2001-01-23 At&T Corp. Combined interference cancellation and maximum likelihood decoding of space-time block codes
US6144696A (en) * 1997-12-31 2000-11-07 At&T Corp. Spread spectrum bit allocation algorithm
FR2773661B1 (fr) * 1998-01-12 2000-02-25 Alsthom Cge Alcatel Procede d'emission d'un signal de controle par une station de base d'un systeme de radiocommunication numerique cellulaire et station de base correspondante
US6389085B1 (en) * 1998-01-14 2002-05-14 Wavecom Electronics Inc. Receiver combiner for spatial diversity digital communications
US6122529A (en) * 1998-03-17 2000-09-19 Transcept, Inc. Simulcast with hierarchical cell structure overlay
US6643338B1 (en) * 1998-10-07 2003-11-04 Texas Instruments Incorporated Space time block coded transmit antenna diversity for WCDMA
US6154485A (en) * 1998-10-19 2000-11-28 Motorola, Inc. Receiver in a wireless communications system for receiving signals having combined orthogonal transmit diversity and adaptive array techniques
US6625197B1 (en) * 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
US6424642B1 (en) * 1998-12-31 2002-07-23 Texas Instruments Incorporated Estimation of doppler frequency through autocorrelation of pilot symbols
US6317411B1 (en) * 1999-02-22 2001-11-13 Motorola, Inc. Method and system for transmitting and receiving signals transmitted from an antenna array with transmit diversity techniques
US6351759B1 (en) * 1999-02-26 2002-02-26 Trw Inc. Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
US6327603B1 (en) * 1999-02-26 2001-12-04 Trw Inc. Digital channelizer having efficient architecture for presum discrete fourier transformation selectively of real or complex data and method of operation
US6804311B1 (en) * 1999-04-08 2004-10-12 Texas Instruments Incorporated Diversity detection for WCDMA
US6356528B1 (en) * 1999-04-15 2002-03-12 Qualcomm Incorporated Interleaver and deinterleaver for use in a diversity transmission communication system
US6594473B1 (en) * 1999-05-28 2003-07-15 Texas Instruments Incorporated Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
US6327299B1 (en) * 1999-08-31 2001-12-04 Motorola, Inc. Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system
US6856610B2 (en) * 2000-02-28 2005-02-15 Texas Instruments Incorporated Wireless code division multiple access communications system with channel estimation using fingers with sub-chip spacing

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USRE42681E1 (en) 2011-09-06
EP1073212A3 (de) 2003-10-22
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EP1073212B1 (de) 2005-02-02
US6594473B1 (en) 2003-07-15
JP2001044900A (ja) 2001-02-16

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