DE69334067D1 - Entscheidungsrückgekoppelter Entzerrer mit als vorwärtsgekoppeltes Filter funktionierendem adaptivem Filter - Google Patents

Entscheidungsrückgekoppelter Entzerrer mit als vorwärtsgekoppeltes Filter funktionierendem adaptivem Filter

Info

Publication number
DE69334067D1
DE69334067D1 DE69334067T DE69334067T DE69334067D1 DE 69334067 D1 DE69334067 D1 DE 69334067D1 DE 69334067 T DE69334067 T DE 69334067T DE 69334067 T DE69334067 T DE 69334067T DE 69334067 D1 DE69334067 D1 DE 69334067D1
Authority
DE
Germany
Prior art keywords
filter
decision feedback
feedback equalizer
feedforward
adaptive filter
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
DE69334067T
Other languages
English (en)
Other versions
DE69334067T2 (de
Inventor
Ichiro Tsujimoto
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69334067D1 publication Critical patent/DE69334067D1/de
Publication of DE69334067T2 publication Critical patent/DE69334067T2/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
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
DE69334067T 1992-12-28 1993-12-27 Entscheidungsrückgekoppelter Entzerrer mit als vorwärtsgekoppeltes Filter funktionierendem adaptivem Filter Expired - Lifetime DE69334067T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4348995A JP2663820B2 (ja) 1992-12-28 1992-12-28 判定帰還形等化器
JP34899592 1992-12-28

Publications (2)

Publication Number Publication Date
DE69334067D1 true DE69334067D1 (de) 2006-11-16
DE69334067T2 DE69334067T2 (de) 2007-05-03

Family

ID=18400786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69334067T Expired - Lifetime DE69334067T2 (de) 1992-12-28 1993-12-27 Entscheidungsrückgekoppelter Entzerrer mit als vorwärtsgekoppeltes Filter funktionierendem adaptivem Filter

Country Status (4)

Country Link
US (1) US5689528A (de)
EP (1) EP0604956B1 (de)
JP (1) JP2663820B2 (de)
DE (1) DE69334067T2 (de)

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JP3554226B2 (ja) * 1999-06-18 2004-08-18 松下電器産業株式会社 受信装置
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US7010029B1 (en) * 2000-04-13 2006-03-07 At&T Corp. Equalization of transmit diversity space-time coded signals
US6317467B1 (en) * 2000-06-14 2001-11-13 Lloyd C. Cox Beamforming and interference cancellation system using general purpose filter architecture
US6647077B1 (en) 2000-07-31 2003-11-11 Rf Micro Devices, Inc. Multipath parameter estimation in spread-spectrum communications systems
US6700929B1 (en) 2000-07-31 2004-03-02 Rf Micro Devices, Inc. Method and apparatus for multipath parameter estimation in spread-spectrum communications systems
US6728324B1 (en) * 2000-07-31 2004-04-27 Rf Micro Devices, Inc. Method and apparatus for multipath signal compensation in spread-spectrum communications systems
US7003028B1 (en) * 2000-08-29 2006-02-21 Maxtor Corporation Mixed signal adaptive boost equalization apparatus and method
US7042937B2 (en) * 2001-04-23 2006-05-09 Koninklijke Philips Electronics N.V. Hybrid frequency-time domain equalizer
US7110447B2 (en) * 2002-05-09 2006-09-19 Zenith Electronics Corporation Channel estimator for an adaptive equalizer
US7054396B2 (en) * 2002-08-20 2006-05-30 Rf Micro Devices, Inc. Method and apparatus for multipath signal compensation in spread-spectrum communications systems
JP4309110B2 (ja) * 2002-09-27 2009-08-05 パナソニック株式会社 適応アンテナ無線通信装置
US7813440B2 (en) * 2003-01-31 2010-10-12 Ntt Docomo, Inc. Multiple-output multiple-input (MIMO) communication system, MIMO receiver and MIMO receiving method
US7272176B2 (en) * 2003-02-18 2007-09-18 Qualcomm Incorporated Communication receiver with an adaptive equalizer
US7257377B2 (en) * 2003-02-18 2007-08-14 Qualcomm, Incorporated Systems and methods for improving channel estimation
US20040161057A1 (en) * 2003-02-18 2004-08-19 Malladi Durga Prasad Communication receiver with a rake-based adaptive equalizer
US20040203812A1 (en) * 2003-02-18 2004-10-14 Malladi Durga Prasad Communication receiver with an adaptive equalizer that uses channel estimation
US7356074B2 (en) * 2003-05-08 2008-04-08 Rf Micro Devices, Inc. Estimation of multipath channel with sub-chip resolution
JP4331641B2 (ja) 2004-04-09 2009-09-16 富士通株式会社 等化回路を有する受信回路
US7533140B2 (en) * 2004-04-13 2009-05-12 Jaber Associates, L.L.C. Method and apparatus for enhancing processing speed for performing a least mean square operation by parallel processing
KR100606790B1 (ko) * 2004-08-12 2006-08-01 엘지전자 주식회사 다중 안테나를 이용한 채널 등화기
JP4693462B2 (ja) * 2005-03-31 2011-06-01 富士通テン株式会社 ダイバシティ受信装置および方法
JP4939888B2 (ja) 2005-10-05 2012-05-30 パナソニック株式会社 無線通信装置
JP4623327B2 (ja) 2008-07-14 2011-02-02 日本電気株式会社 移動通信システム、基地局、干渉除去方法
JP2010068305A (ja) 2008-09-11 2010-03-25 Nec Corp 移動通信システム、基地局、干渉除去方法
JP5639667B2 (ja) 2011-01-26 2014-12-10 ルネサスエレクトロニクス株式会社 判定帰還型等化器
WO2019171551A1 (ja) * 2018-03-08 2019-09-12 三菱電機株式会社 受信装置および受信信号処理方法
JP7008248B2 (ja) 2018-03-29 2022-01-25 パナソニックＩｐマネジメント株式会社 受信装置、受信方法、及び受信システム
US11231740B2 (en) * 2019-02-06 2022-01-25 Credo Technology Group Limited Clock recovery using between-interval timing error estimation
US11171815B2 (en) * 2020-01-21 2021-11-09 Credo Technology Group Limited Digital equalizer with overlappable filter taps
CN113630355B (zh) * 2021-10-12 2022-02-08 中国人民解放军海军工程大学 基于空时功率倒置阵的宽带干扰抑制装置及抑制方法

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Also Published As

Publication number Publication date
EP0604956A3 (de) 1996-08-07
DE69334067T2 (de) 2007-05-03
JP2663820B2 (ja) 1997-10-15
EP0604956B1 (de) 2006-10-04
EP0604956A2 (de) 1994-07-06
JPH06204902A (ja) 1994-07-22
US5689528A (en) 1997-11-18

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