DE69316065D1 - Interferenzlöscher mit vorwärtsgekoppeltem Transversalfilter mit geschalteten Abgriffkoeffizienten - Google Patents

Interferenzlöscher mit vorwärtsgekoppeltem Transversalfilter mit geschalteten Abgriffkoeffizienten

Info

Publication number
DE69316065D1
DE69316065D1 DE69316065T DE69316065T DE69316065D1 DE 69316065 D1 DE69316065 D1 DE 69316065D1 DE 69316065 T DE69316065 T DE 69316065T DE 69316065 T DE69316065 T DE 69316065T DE 69316065 D1 DE69316065 D1 DE 69316065D1
Authority
DE
Germany
Prior art keywords
tap coefficients
transversal filter
interference canceller
switched tap
feedforward transversal
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 - Fee Related
Application number
DE69316065T
Other languages
English (en)
Other versions
DE69316065T2 (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 DE69316065D1 publication Critical patent/DE69316065D1/de
Publication of DE69316065T2 publication Critical patent/DE69316065T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
DE69316065T 1992-04-09 1993-04-08 Interferenzlöscher mit vorwärtsgekoppeltem Transversalfilter mit geschalteten Abgriffkoeffizienten Expired - Fee Related DE69316065T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4089061A JP2762836B2 (ja) 1992-04-09 1992-04-09 干渉波除去装置

Publications (2)

Publication Number Publication Date
DE69316065D1 true DE69316065D1 (de) 1998-02-12
DE69316065T2 DE69316065T2 (de) 1998-08-27

Family

ID=13960343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316065T Expired - Fee Related DE69316065T2 (de) 1992-04-09 1993-04-08 Interferenzlöscher mit vorwärtsgekoppeltem Transversalfilter mit geschalteten Abgriffkoeffizienten

Country Status (4)

Country Link
US (1) US5345476A (de)
EP (1) EP0565104B1 (de)
JP (1) JP2762836B2 (de)
DE (1) DE69316065T2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517527A (en) * 1992-12-11 1996-05-14 Industrial Technology Research Institute Adaptive equalizer for ISDN U-interface transceiver
JP2541503B2 (ja) * 1994-04-28 1996-10-09 日本電気株式会社 干渉波除去装置
US5513216A (en) * 1994-10-13 1996-04-30 At&T Corp. Hybrid equalizer arrangement for use in data communications equipment
US5550596A (en) * 1994-11-25 1996-08-27 Thomson Multimedia Sa Digital television signal processing system including a co-channel rejection filter
JP2697648B2 (ja) * 1994-12-26 1998-01-14 日本電気株式会社 判定帰還形等化器
US5572262A (en) * 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
KR0162340B1 (ko) * 1995-04-28 1998-12-01 구자홍 디지탈 통신 시스템의 고스트 제거 등화기
FI98177C (fi) * 1995-06-01 1997-04-25 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely häiriöllisen signaalin käsittelemiseksi
US5694437A (en) * 1995-10-10 1997-12-02 Motorola, Inc. Device and method for data signal detection in the presence of distortion and interference in communication systems
US6233272B1 (en) 1996-03-19 2001-05-15 Yrp Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. Spread spectrum communication receiver
US5901173A (en) * 1996-12-09 1999-05-04 Raytheon Company Noise Estimator
WO1998042089A2 (en) * 1997-03-14 1998-09-24 At & T Corp. Spatial-temporal equalization for is-136 tdma systems with rapid dispersive fading and co-channel interference
US6173021B1 (en) 1997-06-23 2001-01-09 Paradyne Corporation Method and apparatus for reducing interference in a twisted wire pair transmission system
US6330275B1 (en) 1997-06-23 2001-12-11 Paradyne Corporation Method and apparatus for overcoming periodic disturbances in digital subscriber loops
US6285709B1 (en) * 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system
US6144697A (en) * 1998-02-02 2000-11-07 Purdue Research Foundation Equalization techniques to reduce intersymbol interference
US6249518B1 (en) * 1998-08-07 2001-06-19 Nortel Networks Limited TDMA single antenna co-channel interference cancellation
US6535554B1 (en) 1998-11-17 2003-03-18 Harris Corporation PCS signal separation in a one dimensional channel
US6714775B1 (en) * 2000-02-24 2004-03-30 Veridian Engineering, Inc. Interference canceller
US6870881B1 (en) 2000-08-24 2005-03-22 Marvell International Ltd. Feedforward equalizer for DFE based detector
RU2192709C2 (ru) 2000-11-30 2002-11-10 Гармонов Александр Васильевич Способ приема многолучевых сигналов в системе радиосвязи с кодовым разделением каналов и устройство для его реализации
US7010069B2 (en) * 2000-12-04 2006-03-07 Trellisware Technologies, Inc. Method for co-channel interference identification and mitigation
US20020168972A1 (en) * 2001-05-11 2002-11-14 Justiss James E. Antenna feedforward interference cancellation system
US20020181575A1 (en) * 2001-05-29 2002-12-05 Koninklijke Philips Electronics N.V. Circuitry for Mitigating performance loss associated with feedback loop delay in decision feedback equalizer and method therefor
US7302023B2 (en) * 2002-07-25 2007-11-27 Yang George L Application of multipath combiner and equalizer in a multi-channel direct sequence spread spectrum communication system
US7869497B2 (en) * 2002-08-30 2011-01-11 Nxp B.V. Frequency-domain decision feedback equalizing device and method
EP1709758A4 (de) * 2003-12-16 2007-07-18 California Inst Of Techn Deterministischer jitter-entzerrer
WO2007035073A2 (en) * 2005-09-26 2007-03-29 Lg Electronics Inc. A method and apparatus for interference cancellation
JP5084051B2 (ja) * 2006-09-06 2012-11-28 シャープ株式会社 送受信装置、送受信システムおよび送受信方法
US8184686B2 (en) * 2007-01-10 2012-05-22 Cortina Systems, Inc. System and method for recovering data received over a communication channel
US8406356B2 (en) * 2007-06-06 2013-03-26 Micron Technology, Inc. Self-calibrating continuous-time equalization
US8249540B1 (en) * 2008-08-07 2012-08-21 Hypres, Inc. Two stage radio frequency interference cancellation system and method
US8743940B1 (en) 2010-01-07 2014-06-03 Marvell International Ltd. Method and apparatus for adaptively determining settings of a transmit equalizer
US8811464B1 (en) 2010-01-21 2014-08-19 Marvell International Ltd. Method and apparatus for adaptively determining equalizer settings for 10GBASE-KR transmitter
US8548108B2 (en) * 2011-02-14 2013-10-01 Fujitsu Limited Adaptive phase equalizer
US8891607B2 (en) 2012-09-06 2014-11-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Feed forward equalizer tap weight adaptation based on channel estimation
US8964827B2 (en) 2013-03-07 2015-02-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Adaptation of equalizer settings using error signals sampled at several different phases
US10212006B2 (en) * 2016-03-01 2019-02-19 Mediatek Inc. Feed-forward filtering device and associated method
EP3679664B1 (de) * 2017-09-06 2021-11-03 Telefonaktiebolaget LM Ericsson (publ) Verfahren und vorrichtung zur kalibrierung einer antennenanordnung mit interferenzreduzierung
WO2019086931A1 (en) 2017-10-31 2019-05-09 Telefonaktiebolaget Lm Ericsson (Publ) Orthogonal training signals for transmission in an antenna array
US10826731B2 (en) 2018-09-28 2020-11-03 Huawei Technologies Co., Ltd. Efficient implementation of noise whitening post-compensation for narrowband-filtered signals
CN112564733B (zh) * 2019-09-25 2022-03-11 瑞昱半导体股份有限公司 具射频干扰消除机制的电子系统及相关射频干扰消除方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700125A (nl) * 1987-01-20 1988-08-16 Philips Nv Inrichting voor het bestrijden van intersymboolinterferentie en ruis.
NL8701333A (nl) * 1987-06-09 1989-01-02 Philips Nv Inrichting voor het bestrijden van intersymboolinterferentie en ruis.
NL8701332A (nl) * 1987-06-09 1989-01-02 Philips Nv Systeem voor transmissie van datasignalen met gebruikmaking van beslissingsteruggekoppelde egalisatie.
US5031194A (en) * 1989-08-11 1991-07-09 Bell Communications Research, Inc. Wideband digital equalizers for subscriber loops
US5119401A (en) * 1989-11-17 1992-06-02 Nec Corporation Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response

Also Published As

Publication number Publication date
EP0565104B1 (de) 1998-01-07
JP2762836B2 (ja) 1998-06-04
EP0565104A2 (de) 1993-10-13
DE69316065T2 (de) 1998-08-27
JPH05291972A (ja) 1993-11-05
EP0565104A3 (en) 1993-12-08
US5345476A (en) 1994-09-06

Similar Documents

Publication Publication Date Title
DE69316065D1 (de) Interferenzlöscher mit vorwärtsgekoppeltem Transversalfilter mit geschalteten Abgriffkoeffizienten
EP0700543A4 (de) Komplexes adaptives fir-filter
DE69328413T2 (de) Adaptiver Entzerrer
DE69526892T2 (de) Bündelerreger mit adaptiven Filtern mit beschränkten Koeffizienten zur Unterdrückung von Interferenzsignalen
GB2281681B (en) Echo canceller and method for controlling echo cancellation
DE69328161D1 (de) Echokompensator mit adaptiver Restechounterdrückung
DE69330082D1 (de) Dekorrelationsregler für adaptive Digitalfilter
EP0544313A3 (en) Cross polarization interference canceller
EP0622779A3 (de) Aktiver Lärmdämpfer mit vielfachadaptivem Filter.
GB9225212D0 (en) Adaptive noise cancellation device
KR930701866A (ko) 어댑티브 필터 갱신 계수를 최적화시키는 방법
EP0680154A3 (de) Interferenzunterdrückung mit Leistungsinvertierenden adaptiven Antennenanordnung und adaptiven Entzerrer nach dem Verfahren des kleinsten quadratischen Fehlers.
DE69515438T2 (de) Entzerrervorrichtung mit effektiver Aktualisierung der Koeffizienten
DE69220683T2 (de) Adaptive Entzerrer
AU6776894A (en) Ghost cancellation with feedforward and feedback filters
EP0459687A3 (en) Traveling wave type transversal equalizer
DE69224175D1 (de) Steuerung für adaptive Chromafilterung
DE69323952D1 (de) Entstörfilter
GB9210861D0 (en) Multi-tap oversampling filter
EP0464678A3 (en) Input-weighted transversal filter
DE69527079D1 (de) Adaptiver entzerrer
DE69313902D1 (de) Zweiweg-Kommunikations-Ohrhörer mit Filter
EP0500394A3 (en) Input-weighted transversal filter
IT1272637B (it) Filtro equalizzatore adattativo commutabile non-decimatore/decimatore
EP0472374A3 (en) Transversal equalizer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee