DE60137559D1 - Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren - Google Patents

Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren

Info

Publication number
DE60137559D1
DE60137559D1 DE60137559T DE60137559T DE60137559D1 DE 60137559 D1 DE60137559 D1 DE 60137559D1 DE 60137559 T DE60137559 T DE 60137559T DE 60137559 T DE60137559 T DE 60137559T DE 60137559 D1 DE60137559 D1 DE 60137559D1
Authority
DE
Germany
Prior art keywords
spatial
equalization procedures
equalizers
temporal
temporal equalizers
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
DE60137559T
Other languages
English (en)
Inventor
Shigeru Tomisato
Tadashi Matsumoto
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE60137559D1 publication Critical patent/DE60137559D1/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
    • H04B7/08—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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
DE60137559T 2000-03-27 2001-03-27 Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren Expired - Lifetime DE60137559D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000085778 2000-03-27

Publications (1)

Publication Number Publication Date
DE60137559D1 true DE60137559D1 (de) 2009-03-19

Family

ID=18602043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60137559T Expired - Lifetime DE60137559D1 (de) 2000-03-27 2001-03-27 Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren

Country Status (4)

Country Link
US (1) US6862316B2 (de)
EP (1) EP1158694B1 (de)
CN (1) CN1169383C (de)
DE (1) DE60137559D1 (de)

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FR2813728B1 (fr) * 2000-09-07 2003-03-07 Mitsubishi Electric Inf Tech Recepteur cdma adaptatif bi-modulaire
JP2002344362A (ja) * 2001-05-14 2002-11-29 Hitachi Kokusai Electric Inc 等化装置、受信装置、及び等化方法並びに受信方法
US7035343B2 (en) * 2002-01-31 2006-04-25 Qualcomm Inc. Closed loop transmit diversity antenna verification using trellis decoding
US7099409B2 (en) * 2002-02-13 2006-08-29 Broadcom Corporation Channel estimation and/or equalization using repeated adaptation
KR100878524B1 (ko) * 2002-05-21 2009-01-13 삼성전자주식회사 등화기의 필터 탭계수 갱신 장치 및 갱신 방법
KR100467317B1 (ko) * 2002-05-22 2005-01-24 한국전자통신연구원 스케일러블 적응등화 장치
EP1376896A1 (de) * 2002-06-20 2004-01-02 Evolium S.A.S. Iterative Kanalschätzung für den Empfang von Funkübertragungen mittels mehrerer Antennen
AU2003262848A1 (en) * 2002-08-21 2004-03-11 Zyray Wireless, Inc. Antenna array including virtual antenna elements
US8457230B2 (en) 2002-08-21 2013-06-04 Broadcom Corporation Reconfigurable orthogonal frequency division multiplexing (OFDM) chip supporting single weight diversity
US7035330B2 (en) * 2002-12-17 2006-04-25 Scintera Networks, Inc. Decision feedback equalizer with dynamic feedback control
US6940898B2 (en) * 2002-11-08 2005-09-06 Scintera Networks, Inc. Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
US7039104B2 (en) * 2002-11-08 2006-05-02 Scintera Networks, Inc. Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
US7120193B2 (en) * 2002-11-08 2006-10-10 Scintera Networks, Inc. Decision feedback equalizer with dynamic feedback control
EP1445886B1 (de) * 2003-01-31 2015-05-20 Ntt Docomo, Inc. Mehreingang-Mehrausgang (MIMO) Kommunikationssystem, MIMO Empfänger und Verfahren zum MIMO Empfang
US7272176B2 (en) * 2003-02-18 2007-09-18 Qualcomm Incorporated Communication receiver with an adaptive equalizer
US20050053127A1 (en) * 2003-07-09 2005-03-10 Muh-Tian Shiue Equalizing device and method
KR20050027785A (ko) * 2003-09-16 2005-03-21 삼성전자주식회사 신호 품질 검출 방법 및 그 장치와, 이를 구현하기 위한프로그램이 기록된 기록매체
CN1297075C (zh) * 2003-12-02 2007-01-24 中国人民解放军空军雷达学院 干扰阻塞空间谱估计方法
WO2005117273A1 (ja) * 2004-05-26 2005-12-08 Nec Corporation 空間多重信号検出方法及びそれを用いる時空間反復復号器
US7436615B2 (en) * 2005-12-08 2008-10-14 International Business Machines Corporation Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal
JP2007195075A (ja) * 2006-01-20 2007-08-02 Fujitsu Ltd 復調回路および復調方法
KR101133839B1 (ko) * 2006-02-13 2012-04-06 에스티 에릭슨 에스에이 필터 가중 추정 디바이스, 등화기, 통신 수신기 및 통신 장비
US20090135944A1 (en) * 2006-10-23 2009-05-28 Dyer Justin S Cooperative-MIMO Communications
KR100902336B1 (ko) * 2007-07-20 2009-06-12 한국전자통신연구원 동일채널 중계장치 및 그 방법
JP2009135712A (ja) * 2007-11-29 2009-06-18 Kyocera Corp 受信装置、無線基地局及び受信方法
JP4573361B2 (ja) * 2008-08-22 2010-11-04 京セラ株式会社 無線通信装置および無線通信方法
GB2494204B (en) * 2011-09-05 2017-05-24 Roke Manor Research Method and apparatus for signal detection
US8599914B1 (en) * 2012-06-20 2013-12-03 MagnaCom Ltd. Feed forward equalization for highly-spectrally-efficient communications
WO2014186445A1 (en) * 2013-05-15 2014-11-20 Huawei Technologies Co., Ltd. Low complexity, adaptive, fractionally spaced equalizer with non-integer sampling
US10303146B2 (en) * 2017-05-31 2019-05-28 Oracle International Corporation Servomechanism error handling
CN108063738B (zh) * 2017-11-22 2020-08-25 西南电子技术研究所（中国电子科技集团公司第十研究所） 数字均衡器的收敛判决方法
CN113783811A (zh) * 2020-06-10 2021-12-10 英业达科技有限公司 计算接头系数的方法及其装置
CN115943569A (zh) * 2020-06-23 2023-04-07 马维尔亚洲私人有限公司 高速数据信道中的滤波器的环境感知运行时间配置
JP2023546697A (ja) * 2020-10-23 2023-11-07 マーベル アジア ピーティーイー、リミテッド スパース性インパルス応答を有する高速データチャネルでの等化
CN112887236B (zh) * 2021-01-12 2021-09-21 烽火通信科技股份有限公司 一种高速突发信号的同步及均衡装置与方法

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US6166689A (en) * 1970-08-12 2000-12-26 Lockheed Martin Corporation Adaptive beamformer with beam mainlobe maintenance
JP2663820B2 (ja) * 1992-12-28 1997-10-15 日本電気株式会社 判定帰還形等化器
JP2697648B2 (ja) * 1994-12-26 1998-01-14 日本電気株式会社 判定帰還形等化器
US6240098B1 (en) * 1995-08-22 2001-05-29 Thomson-Csf Method and device for space division multiplexing of radio signals transmitted in cellular radio communications
FR2742619B1 (fr) * 1995-12-15 1998-02-06 Thomson Csf Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre
AU2756797A (en) 1996-05-20 1997-12-09 Post Und Telekom Austria Aktiengesellschaft Process and device for reception with directional resolution
US5870430A (en) * 1996-12-26 1999-02-09 Thomson-Csf Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths
FR2758926B1 (fr) * 1997-01-24 1999-04-30 France Telecom Procede d'egalisation multicapteurs dans un recepteur radioelectrique comportant un nombre determine de voies de reception et recepteur correspondant
DE69839960D1 (de) * 1997-06-03 2008-10-16 Nippon Telegraph & Telephone Adaptive gruppensender/empfänger
JP3465739B2 (ja) * 1998-04-07 2003-11-10 日本電気株式会社 Ｃｄｍａ適応アンテナ受信装置及び通信システム
US6115409A (en) * 1999-06-21 2000-09-05 Envoy Networks, Inc. Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
US6317467B1 (en) * 2000-06-14 2001-11-13 Lloyd C. Cox Beamforming and interference cancellation system using general purpose filter architecture

Also Published As

Publication number Publication date
US20010026197A1 (en) 2001-10-04
EP1158694B1 (de) 2009-01-28
CN1169383C (zh) 2004-09-29
EP1158694A3 (de) 2002-10-02
US6862316B2 (en) 2005-03-01
CN1316861A (zh) 2001-10-10
EP1158694A2 (de) 2001-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition