JP2001508959A5 - - Google Patents

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Publication number
JP2001508959A5
JP2001508959A5 JP1998523644A JP52364498A JP2001508959A5 JP 2001508959 A5 JP2001508959 A5 JP 2001508959A5 JP 1998523644 A JP1998523644 A JP 1998523644A JP 52364498 A JP52364498 A JP 52364498A JP 2001508959 A5 JP2001508959 A5 JP 2001508959A5
Authority
JP
Japan
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.)
Ceased
Application number
JP1998523644A
Other languages
English (en)
Japanese (ja)
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JP2001508959A (ja
Filing date
Publication date
Priority claimed from US08/752,295 external-priority patent/US5777910A/en
Application filed filed Critical
Publication of JP2001508959A publication Critical patent/JP2001508959A/ja
Publication of JP2001508959A5 publication Critical patent/JP2001508959A5/ja
Ceased legal-status Critical Current

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JP52364498A 1996-11-19 1997-10-29 スパース適応型等化フィルタ Ceased JP2001508959A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/752,295 US5777910A (en) 1996-11-19 1996-11-19 Sparse equalization filter adaptive in two dimensions
US08/752,295 1996-11-19
PCT/US1997/018473 WO1998023086A1 (en) 1996-11-19 1997-10-29 Adaptive sparse equalization filter

Publications (2)

Publication Number Publication Date
JP2001508959A JP2001508959A (ja) 2001-07-03
JP2001508959A5 true JP2001508959A5 (enExample) 2005-06-16

Family

ID=25025696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52364498A Ceased JP2001508959A (ja) 1996-11-19 1997-10-29 スパース適応型等化フィルタ

Country Status (9)

Country Link
US (1) US5777910A (enExample)
EP (1) EP0940035B1 (enExample)
JP (1) JP2001508959A (enExample)
KR (1) KR100529245B1 (enExample)
CN (1) CN1202653C (enExample)
AU (1) AU7304898A (enExample)
DE (1) DE69737416T2 (enExample)
MY (1) MY117012A (enExample)
WO (1) WO1998023086A1 (enExample)

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US6240180B1 (en) * 1997-11-14 2001-05-29 Tellabs Operations, Inc. Echo canceller employing dual-H architecture having split adaptive gain settings
US6031908A (en) * 1997-11-14 2000-02-29 Tellabs Operations, Inc. Echo canceller employing dual-H architecture having variable adaptive gain settings
US6426972B1 (en) * 1998-06-19 2002-07-30 Nxtwave Communications Reduced complexity equalizer for multi mode signaling
US6724844B1 (en) * 1998-06-30 2004-04-20 Koninklijke Philips Electronics N.V. Method and device for improving DFE performance in a trellis-coded system
US6377642B1 (en) 1999-02-26 2002-04-23 Cisco Technologies, Inc. System for clock recovery
US6636561B1 (en) * 1999-06-29 2003-10-21 Nortel Networks Limited Channel equalisers
US6445734B1 (en) * 1999-06-30 2002-09-03 Conexant Systems, Inc. System and method of validating equalizer training
US7489725B2 (en) * 1999-08-13 2009-02-10 Broadcom Corporation Decision feedback equalizer and precoder ramping circuit
US7127481B1 (en) 2000-07-11 2006-10-24 Marvell International, Ltd. Movable tap finite impulse response filter
US7120656B1 (en) 2000-10-04 2006-10-10 Marvell International Ltd. Movable tap finite impulse response filter
US6980646B1 (en) * 2001-10-12 2005-12-27 Nortel Networks Limited Apparatus and method for echo cancellation
AU2002348962A1 (en) * 2001-11-21 2003-06-10 Koninklijke Philips Electronics N.V. Adaptive equalizer operating at a sampling rate asynchronous to the data rate
US7953193B2 (en) * 2002-03-28 2011-05-31 Broadcom Corporation Sparse channel equalization
US20050218973A1 (en) * 2002-05-31 2005-10-06 Mirsad Halimic Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed
US7069286B2 (en) * 2002-09-27 2006-06-27 Lucent Technologies Inc. Solution space principle component-based adaptive filter and method of operation thereof
KR100921479B1 (ko) * 2002-10-31 2009-10-13 엘지전자 주식회사 채널 등화기 및 이를 이용한 채널 등화 방법
KR100498465B1 (ko) * 2002-11-23 2005-07-01 삼성전자주식회사 채널 등화 방법 및 채널 등화기
US7693210B2 (en) * 2004-03-09 2010-04-06 Thomson Licensing Hybrid rake/equalizer receiver for spread spectrum systems
US7574010B2 (en) 2004-05-28 2009-08-11 Research In Motion Limited System and method for adjusting an audio signal
KR100660841B1 (ko) * 2004-10-22 2006-12-26 삼성전자주식회사 오버랩된 필터 뱅크들을 가지는 부분 탭 적응 등화기 및이를 이용한 등화 방법
KR100640591B1 (ko) * 2004-10-23 2006-11-01 삼성전자주식회사 감소된 면적을 가지는 부분 탭 적응 등화기
US7613291B1 (en) * 2005-08-10 2009-11-03 Mindspeed Technologies, Inc. Echo path change detection using dual sparse filtering
JP5745748B2 (ja) * 2005-11-21 2015-07-08 クゥアルコム・インコーポレイテッドQualcomm Incorporated マルチコードcdmaシステムのmmseスペースタイムイコライザーのための最適重み
US7649932B2 (en) * 2005-11-30 2010-01-19 Microtune (Texas), L.P. Segmented equalizer
JP4527079B2 (ja) * 2006-04-28 2010-08-18 三菱電機株式会社 等化装置
US20070280388A1 (en) * 2006-05-31 2007-12-06 Texas Instruments Incorporated Apparatus for and method of canceller tap shutdown in a communication system
WO2008062622A1 (en) * 2006-11-22 2008-05-29 Panasonic Corporation Waveform equalizing device
JP4953856B2 (ja) * 2007-02-28 2012-06-13 日本電信電話株式会社 等化回路
US8094763B1 (en) 2007-10-12 2012-01-10 Harris Corporation Communications system using adaptive filter with adaptive update gain
US8204164B1 (en) 2007-10-12 2012-06-19 Harris Corporation Communications system using adaptive filter and selected adaptive filter taps
US8098781B1 (en) 2007-10-12 2012-01-17 Harris Corporation Communications system using adaptive filter with normalization circuit
US8107572B1 (en) 2007-10-12 2012-01-31 Harris Corporation Communications system using adaptive filter for interference reduction
US7864835B2 (en) * 2007-10-12 2011-01-04 Harris Corporation Communications system using adaptive filter and variable delay before adaptive filter taps
US8121236B1 (en) 2007-10-12 2012-02-21 Harris Corporation Communications system using adaptive filter circuit using parallel adaptive filters
US7860200B2 (en) * 2007-10-12 2010-12-28 Harris Corporation Communications system using adaptive filter that is selected based on output power
US7978757B1 (en) * 2008-02-08 2011-07-12 Freescale Semiconductor, Inc. Configurable receiver and a method for configuring a receiver
US8081722B1 (en) 2008-04-04 2011-12-20 Harris Corporation Communications system and device using simultaneous wideband and in-band narrowband operation and related method
US8526486B2 (en) * 2008-11-12 2013-09-03 Intel Corporation Decision feedback equalizer for portable environments
US8275028B2 (en) * 2009-06-30 2012-09-25 Intel Corporation Advanced television systems committee (ATSC) digital television (DTV) receiver
CN101834582B (zh) * 2010-05-28 2013-09-11 华为技术有限公司 一种优化fir滤波器的方法及装置
US8968293B2 (en) * 2011-04-12 2015-03-03 Covidien Lp Systems and methods for calibrating power measurements in an electrosurgical generator
CN105007057B (zh) * 2015-07-09 2018-08-24 杭州电子科技大学 一种针对有限集跟踪滤波器的均匀密集杂波稀疏方法
US10572985B2 (en) * 2016-11-18 2020-02-25 Canon Kabushiki Kaisha Image processing circuit with multipliers allocated based on filter coefficients
EP3324542B1 (en) 2016-11-18 2019-10-23 Nxp B.V. Adaptive filter with manageable resource sharing
EP3324543B1 (en) * 2016-11-18 2020-01-08 Nxp B.V. Adaptive filter and method of operating an adaptive filter
EP4434160A1 (en) * 2022-02-11 2024-09-25 Huawei Technologies Co., Ltd. Techniques for power efficient and smart echo cancellation

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US4727424A (en) * 1986-10-16 1988-02-23 Rca Corporation Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system
US5001701A (en) * 1989-08-07 1991-03-19 At&T Bell Laboratories Subband echo canceler including real time allocation among the subbands
EP0421526B1 (en) * 1989-10-06 1996-07-31 Koninklijke Philips Electronics N.V. Adaptive ghost cancellation circuit
US5050119A (en) * 1989-10-06 1991-09-17 North American Philips Corporation Optimized sparse transversal filter
US5045945A (en) * 1989-10-06 1991-09-03 North American Philips Corporation Method of adaptive ghost cancellation
DE69125806T2 (de) * 1990-12-27 1997-09-25 Nippon Electric Co Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems
CA2060667C (en) * 1992-02-05 1998-12-08 Paul Marc Yatrou Adaptive sparse echo canceller using a sub-rate filter for active tap selection
KR0124597B1 (ko) * 1994-04-12 1997-12-01 구자홍 에이치디티브이(hdtv)용 채널등화기
KR960011419B1 (ko) * 1994-06-14 1996-08-22 대우전자 주식회사 복소 필터 장치

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