WO2001043311A1 - Terminal de communication et methode de communication sans fil - Google Patents
Terminal de communication et methode de communication sans fil Download PDFInfo
- Publication number
- WO2001043311A1 WO2001043311A1 PCT/JP2000/008151 JP0008151W WO0143311A1 WO 2001043311 A1 WO2001043311 A1 WO 2001043311A1 JP 0008151 W JP0008151 W JP 0008151W WO 0143311 A1 WO0143311 A1 WO 0143311A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase
- feedback information
- communication
- base station
- phase correction
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU14164/01A AU1416401A (en) | 1999-12-06 | 2000-11-20 | Communication terminal and wireless communication method |
US09/890,356 US6980612B1 (en) | 1999-12-06 | 2000-11-20 | Communication terminal apparatus and radio communication method |
EP00976346A EP1156596A4 (en) | 1999-12-06 | 2000-11-20 | TRANSMISSION DEVICE AND WIRELESS TRANSMISSION METHOD |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34646899A JP2001168777A (ja) | 1999-12-06 | 1999-12-06 | 通信端末装置及び無線通信方法 |
JP11/346468 | 1999-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001043311A1 true WO2001043311A1 (fr) | 2001-06-14 |
Family
ID=18383637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008151 WO2001043311A1 (fr) | 1999-12-06 | 2000-11-20 | Terminal de communication et methode de communication sans fil |
Country Status (7)
Country | Link |
---|---|
US (1) | US6980612B1 (ja) |
EP (1) | EP1156596A4 (ja) |
JP (1) | JP2001168777A (ja) |
KR (1) | KR100405097B1 (ja) |
CN (1) | CN1147063C (ja) |
AU (1) | AU1416401A (ja) |
WO (1) | WO2001043311A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003009493A1 (en) * | 2001-07-19 | 2003-01-30 | Intel Corporation | Channel prediction in closed loop transmit diversity |
WO2004045108A1 (fr) * | 2002-11-11 | 2004-05-27 | Huawei Technologies Co., Ltd. | Procede de mise en oeuvre d'une fonction de diversite de transmission en boucle fermee sur le canal specialise |
KR100723459B1 (ko) | 2005-07-29 | 2007-05-31 | 한국과학기술원 | 무선 이동 통신 시스템에서의 귀환 신호를 이용한 하향무선 채널 환경 예측 장치 및 방법 |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4252802B2 (ja) * | 2001-05-02 | 2009-04-08 | 富士通株式会社 | 送信ダイバーシチシステム |
KR100615888B1 (ko) | 2001-08-25 | 2006-08-25 | 삼성전자주식회사 | 안테나 어레이를 포함하는 이동 통신 장치 및 방법 |
EP1453223A1 (en) * | 2001-11-30 | 2004-09-01 | Fujitsu Limited | Transmission diversity communication device |
JP3642483B2 (ja) | 2002-01-09 | 2005-04-27 | 日本電気株式会社 | 無線移動局及びそれを備える無線通信システム |
KR100640470B1 (ko) * | 2002-06-29 | 2006-10-30 | 삼성전자주식회사 | 패킷 서비스 통신 시스템에서 전송 안테나 다이버시티방식을 사용하여 데이터를 전송 장치 및 방법 |
WO2006034792A2 (en) * | 2004-09-27 | 2006-04-06 | Telefonaktiebolaget L M Ericsson (Publ) | Derivation of optimal antenna weights during soft handover |
EP1901440B1 (en) * | 2005-07-05 | 2013-11-13 | Fujitsu Ltd. | Reception quality calculating method, reception quality calculating device and communication device |
EA014591B1 (ru) | 2005-09-01 | 2010-12-30 | Шарп Кабусики Кайся | Способ управления передачей сигналов в системе беспроводной связи |
KR100906125B1 (ko) | 2005-09-26 | 2009-07-07 | 삼성전자주식회사 | 광대역 무선 통신시스템에서 패스트 피드백 정보를검파하기 위한 장치 및 방법 |
EA012497B1 (ru) * | 2005-10-31 | 2009-10-30 | Шарп Кабусики Кайся | Терминал связи, базовая станция и система связи |
EP1944893B1 (en) | 2005-10-31 | 2020-01-01 | Sharp Kabushiki Kaisha | Radio transmitter, radio communication system, and radio transmission method |
KR100691430B1 (ko) | 2005-12-05 | 2007-03-09 | 한국전자통신연구원 | 이동통신 시스템에서 제한된 궤환 정보를 이용한 적응 송신방법 및 장치 |
JP4737532B2 (ja) * | 2005-12-14 | 2011-08-03 | 株式会社豊田中央研究所 | 受信装置 |
EP2439861B1 (en) * | 2005-12-20 | 2013-10-02 | Huawei Technologies Co., Ltd. | Transmitter apparatus for communications system using multiple antennas |
JP4658146B2 (ja) | 2005-12-26 | 2011-03-23 | シャープ株式会社 | 無線送信機及び無線送信方法 |
JP4924106B2 (ja) * | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
EP1890397B1 (en) * | 2006-08-18 | 2010-12-08 | NTT DoCoMo, Inc. | Transmitter/receiver and method for communicating with a remote transmitter/receiver using spatial phase codes |
US7961810B2 (en) | 2006-09-07 | 2011-06-14 | Texas Instruments Incorporated | Antenna grouping and group-based enhancements for MIMO systems |
US7907673B2 (en) * | 2006-10-26 | 2011-03-15 | Telefonaktiebolaget L M Ericsson (Publ) | Robust and low-complexity combined signal power estimation |
US7929624B2 (en) * | 2006-10-26 | 2011-04-19 | Telefonaktiebolaget L M Ericsson (Publ) | Cell ID detection in cellular communication systems |
US8036603B2 (en) * | 2007-03-15 | 2011-10-11 | Magnolia Broadband Inc. | Method, apparatus and system for providing feedback to a transmit diversity device |
JP4768000B2 (ja) * | 2008-08-11 | 2011-09-07 | 富士通株式会社 | 基地局送信機及び電波放射方向制御方法 |
US8693442B2 (en) * | 2008-09-22 | 2014-04-08 | Blackberry Limited | Multi-site MIMO cooperation in cellular network |
CN102377533B (zh) * | 2010-08-26 | 2014-09-17 | 上海交通大学 | 无线通信系统中的用户设备和方法 |
US9531483B2 (en) | 2013-06-19 | 2016-12-27 | Qualcomm Incorporated | Devices and methods for facilitating signal-to-interference ratio estimates for closed-loop transmission diversity communications |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877348A (ja) * | 1981-11-02 | 1983-05-10 | Nec Corp | 送信スペ−スダイバ−シテイ制御方式 |
JPS5887928A (ja) * | 1981-11-20 | 1983-05-25 | Nippon Telegr & Teleph Corp <Ntt> | スペ−スダイバ−シチ方式 |
JPS6169224A (ja) * | 1984-09-12 | 1986-04-09 | Fujitsu Ltd | 送信スペ−スダイバ−シチ制御方式 |
JPH03201629A (ja) * | 1989-12-28 | 1991-09-03 | Toshiba Corp | スペースダイバーシティ制御方式 |
JPH04150113A (ja) * | 1990-10-09 | 1992-05-22 | Nec Corp | スペースダイバーシティ方式 |
JPH05300059A (ja) * | 1992-04-22 | 1993-11-12 | Nec Corp | 送信スペースダイバーシチ方式 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03201628A (ja) * | 1989-12-28 | 1991-09-03 | Toshiba Corp | スペースダイバーシティ無線通信装置 |
US5203025A (en) * | 1990-11-09 | 1993-04-13 | Kovatel Communications, Ltd. | Selection circuit in a space diversity reception system for a mobile receiver |
DE69328406T2 (de) * | 1992-11-20 | 2000-09-14 | Nippon Telegraph & Telephone | Frequenzdiversitysender und -Empfänger |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
CN1092431C (zh) * | 1995-11-29 | 2002-10-09 | Ntt移动通信网株式会社 | 分集接收机及其控制方法 |
JP3377389B2 (ja) * | 1997-01-10 | 2003-02-17 | 株式会社鷹山 | スペクトラム拡散無線通信方式における信号受信方法および装置 |
JPH10336144A (ja) * | 1997-05-29 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 符号分割多元接続移動体通信装置 |
US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
JP3240984B2 (ja) | 1998-02-02 | 2001-12-25 | 日本電気株式会社 | Fdd/cdma送受信システム及びcdma受信装置及びcdma送信装置 |
JP2000201102A (ja) * | 1998-10-07 | 2000-07-18 | Texas Instr Inc <Ti> | Wcdmaの空間時間ブロック符号化送信アンテナ・ダイバ―シティにおけるチャンネル推定 |
US6151328A (en) * | 1998-12-31 | 2000-11-21 | Lg Information & Communications Ltd. | Apparatus and method for controlling power in code division multiple access system |
KR100335139B1 (ko) * | 1998-12-31 | 2002-09-25 | 엘지정보통신주식회사 | Cdma시스템에서프래임단위의피드백을이용한전송다이버시티방법 |
US6804311B1 (en) * | 1999-04-08 | 2004-10-12 | Texas Instruments Incorporated | Diversity detection for WCDMA |
KR100316777B1 (ko) * | 1999-08-24 | 2001-12-12 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
JP3732364B2 (ja) * | 1999-08-27 | 2006-01-05 | 松下電器産業株式会社 | 通信端末装置及びチャネル推定方法 |
-
1999
- 1999-12-06 JP JP34646899A patent/JP2001168777A/ja active Pending
-
2000
- 2000-11-20 WO PCT/JP2000/008151 patent/WO2001043311A1/ja not_active Application Discontinuation
- 2000-11-20 CN CNB008030871A patent/CN1147063C/zh not_active Expired - Fee Related
- 2000-11-20 KR KR10-2001-7009797A patent/KR100405097B1/ko not_active IP Right Cessation
- 2000-11-20 EP EP00976346A patent/EP1156596A4/en not_active Withdrawn
- 2000-11-20 US US09/890,356 patent/US6980612B1/en not_active Expired - Fee Related
- 2000-11-20 AU AU14164/01A patent/AU1416401A/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877348A (ja) * | 1981-11-02 | 1983-05-10 | Nec Corp | 送信スペ−スダイバ−シテイ制御方式 |
JPS5887928A (ja) * | 1981-11-20 | 1983-05-25 | Nippon Telegr & Teleph Corp <Ntt> | スペ−スダイバ−シチ方式 |
JPS6169224A (ja) * | 1984-09-12 | 1986-04-09 | Fujitsu Ltd | 送信スペ−スダイバ−シチ制御方式 |
JPH03201629A (ja) * | 1989-12-28 | 1991-09-03 | Toshiba Corp | スペースダイバーシティ制御方式 |
JPH04150113A (ja) * | 1990-10-09 | 1992-05-22 | Nec Corp | スペースダイバーシティ方式 |
JPH05300059A (ja) * | 1992-04-22 | 1993-11-12 | Nec Corp | 送信スペースダイバーシチ方式 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1156596A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003009493A1 (en) * | 2001-07-19 | 2003-01-30 | Intel Corporation | Channel prediction in closed loop transmit diversity |
KR100654282B1 (ko) * | 2001-07-19 | 2006-12-05 | 인텔 코오퍼레이션 | 폐쇄된 루프 전송 다이버시티 모드에서의 예측데이터로부터 정확한 추정치를 유도하는 방법 및 장치 |
US7174178B2 (en) | 2001-07-19 | 2007-02-06 | Intel Corporation | Deriving a more accurate estimate from prediction data in closed loop transmit diversity modes |
WO2004045108A1 (fr) * | 2002-11-11 | 2004-05-27 | Huawei Technologies Co., Ltd. | Procede de mise en oeuvre d'une fonction de diversite de transmission en boucle fermee sur le canal specialise |
KR100723459B1 (ko) | 2005-07-29 | 2007-05-31 | 한국과학기술원 | 무선 이동 통신 시스템에서의 귀환 신호를 이용한 하향무선 채널 환경 예측 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
AU1416401A (en) | 2001-06-18 |
JP2001168777A (ja) | 2001-06-22 |
KR100405097B1 (ko) | 2003-11-10 |
EP1156596A1 (en) | 2001-11-21 |
CN1147063C (zh) | 2004-04-21 |
EP1156596A4 (en) | 2006-09-20 |
CN1338162A (zh) | 2002-02-27 |
KR20010093322A (ko) | 2001-10-27 |
US6980612B1 (en) | 2005-12-27 |
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