DE69331945D1 - Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz-bewertungsempfänger - Google Patents

Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz-bewertungsempfänger

Info

Publication number
DE69331945D1
DE69331945D1 DE69331945T DE69331945T DE69331945D1 DE 69331945 D1 DE69331945 D1 DE 69331945D1 DE 69331945 T DE69331945 T DE 69331945T DE 69331945 T DE69331945 T DE 69331945T DE 69331945 D1 DE69331945 D1 DE 69331945D1
Authority
DE
Germany
Prior art keywords
adaptive
receiver
received signal
impulse response
maximum likelihood
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
DE69331945T
Other languages
English (en)
Inventor
Hiroshi Hayashi
Shigeru Ono
Noriaki Kondo
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Application granted granted Critical
Publication of DE69331945D1 publication Critical patent/DE69331945D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535—Variable structures
    • H04L2025/03547—Switching between time domain structures
    • H04L2025/03566—Switching between time domain structures between different tapped delay line structures
    • H04L2025/03585—Modifying the length

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Error Detection And Correction (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
  • Dc Digital Transmission (AREA)
DE69331945T 1992-09-18 1993-09-16 Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz-bewertungsempfänger Expired - Lifetime DE69331945D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP24936692 1992-09-18
JP24936792 1992-09-18
JP24936892 1992-09-18
PCT/JP1993/001318 WO1994007311A1 (en) 1992-09-18 1993-09-16 Adaptative equalizing receiver and maximum likelihood sequence estimation receiver

Publications (1)

Publication Number Publication Date
DE69331945D1 true DE69331945D1 (de) 2002-06-27

Family

ID=27333823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69331945T Expired - Lifetime DE69331945D1 (de) 1992-09-18 1993-09-16 Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz-bewertungsempfänger

Country Status (8)

Country Link
EP (2) EP0615347B1 (de)
CN (1) CN1047704C (de)
AT (1) ATE218018T1 (de)
DE (1) DE69331945D1 (de)
FI (1) FI942203A (de)
NO (1) NO941838L (de)
SG (1) SG54201A1 (de)
WO (1) WO1994007311A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2669350B2 (ja) * 1994-07-07 1997-10-27 日本電気株式会社 状態数可変最尤系列推定器
JPH09284353A (ja) * 1996-04-18 1997-10-31 Matsushita Commun Ind Co Ltd 受信機
US6584147B1 (en) 1997-05-23 2003-06-24 Imec High speed modem for a communication network
EP0887974A1 (de) * 1997-06-23 1998-12-30 Interuniversitair Micro-Elektronica Centrum Vzw Kopfendempfänger für Baumnetzwerken
JP3266052B2 (ja) * 1997-06-06 2002-03-18 日本電気株式会社 データ受信装置
US6333953B1 (en) * 1997-07-21 2001-12-25 Ericsson Inc. System and methods for selecting an appropriate detection technique in a radiocommunication system
US6084926A (en) * 1997-12-08 2000-07-04 Ericsson Inc. Method and system for demodulating radio signals
US6373888B1 (en) * 1998-10-09 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Estimated channel with variable number of taps
EP1067709A4 (de) * 1999-01-22 2006-05-24 Mitsubishi Electric Corp Adaptiver entzerrer und verfahren zur adaptiven entzerrung
US6466616B1 (en) 1999-07-02 2002-10-15 Telefonaktiebolaget Lm Ericsson (Publ) Power efficient equalization
JP2001102970A (ja) 1999-09-29 2001-04-13 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US6590932B1 (en) * 1999-11-24 2003-07-08 Ericsson Inc. Methods, receiver devices and systems for whitening a signal disturbance in a communication signal
JP3560138B2 (ja) 1999-12-06 2004-09-02 松下電器産業株式会社 波形等化器とこれを用いた移動局無線装置、基地局無線装置及び移動通信システム
ATE301887T1 (de) * 2000-05-01 2005-08-15 Ericsson Telefon Ab L M Signalangepasstes filter und empfänger für mobiles funkkommunikationssystem
GB2362073B (en) * 2000-05-03 2003-12-17 Siemens Ag Equaliser and method of state reduction therefor
US6714607B2 (en) * 2001-12-20 2004-03-30 Sbc Technology Resources, Inc. Joint demodulation using a viterbi equalizer having an adaptive total number of states
KR100441250B1 (ko) * 2002-03-06 2004-07-21 삼성전자주식회사 이퀄라이저의 계수 계산 방법 및 그것을 계산하는 장치
US7085317B2 (en) 2003-02-18 2006-08-01 Qualcomm, Inc. Communication receiver with an adaptive equalizer length
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
JP2005159467A (ja) * 2003-11-20 2005-06-16 Sanyo Electric Co Ltd 等化方法およびそれを利用した受信装置
KR100585153B1 (ko) 2004-08-04 2006-05-30 삼성전자주식회사 다중 경로 지연 추정을 통하여 등화기 성능을 개선한 유무선 통신을 위한 수신기 및 방법
US7894514B2 (en) * 2005-09-29 2011-02-22 Alcatel-Lucent Usa Inc. Receiver techniques for wireless communication
FR2892586A1 (fr) * 2005-10-24 2007-04-27 France Telecom Procede et dispositif de reception hybride comportant un egaliseur canal et un annuleur d'interference
WO2007109040A2 (en) 2006-03-15 2007-09-27 Interdigital Technology Corporation Method and apparatus for switching operating modes of a receiver
US20090296798A1 (en) * 2006-04-05 2009-12-03 Agere Systems Inc,. Hsdpa co-processor for mobile terminals
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
CN102404259A (zh) * 2010-09-13 2012-04-04 凌阳科技股份有限公司 混合均衡系统
CA2821697C (en) 2011-03-23 2016-02-23 Mitsubishi Electric Corporation Transmission channel estimating device, transmission channel estimating method and receiving apparatus
EP2506457B1 (de) * 2011-03-31 2016-03-30 Alcatel Lucent Verarbeitung von digitalen Erkennungssignalen, die von der kohärenten optischen Erkennung erzeugt werden
CN103634023B (zh) * 2013-11-26 2016-05-25 中国电子科技集团公司第四十一研究所 一种高精度和宽幅适应的脉冲应答电路及方法
CN109873781A (zh) * 2017-12-01 2019-06-11 晨星半导体股份有限公司 符合同轴电缆多媒体联盟标准的信号接收装置及其信号处理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59224985A (ja) * 1983-06-06 1984-12-17 Toshiba Corp ゴ−スト除去装置
SE464437B (sv) * 1989-08-25 1991-04-22 Ericsson Telefon Ab L M Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov
DE69028273T2 (de) * 1989-10-31 1997-03-13 Mitsubishi Electric Corp Entzerrer
JPH03154435A (ja) * 1989-11-13 1991-07-02 Toshiba Corp 判定帰還形等化方式
JPH03195129A (ja) * 1989-12-22 1991-08-26 Mitsubishi Electric Corp 最尤系列推定装置
JP2591263B2 (ja) * 1990-06-26 1997-03-19 日本電気株式会社 適応型受信機

Also Published As

Publication number Publication date
NO941838D0 (no) 1994-05-16
FI942203A0 (fi) 1994-05-11
ATE218018T1 (de) 2002-06-15
EP0615347A1 (de) 1994-09-14
CN1090446A (zh) 1994-08-03
WO1994007311A1 (en) 1994-03-31
CN1047704C (zh) 1999-12-22
NO941838L (no) 1994-07-06
EP0615347A4 (de) 1999-06-02
FI942203A (fi) 1994-07-04
EP1182836A3 (de) 2002-06-12
SG54201A1 (en) 1998-11-16
EP1182836A2 (de) 2002-02-27
EP0615347B1 (de) 2002-05-22

Similar Documents

Publication Publication Date Title
DE69331945D1 (de) Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz-bewertungsempfänger
US5202903A (en) Noise-immune space diversity receiver
Proakis Adaptive equalization for TDMA digital mobile radio
EP0684706B1 (de) Replikherstellendes adaptives demodulationsverfahren und dieses verwendender demodulator
US7023912B2 (en) Hybrid adaptive equalizer for optical communications systems
EP0549019B1 (de) Datenübertragungssystem mit verringerter Fehlerfortpflanzung
JPH08213935A (ja) 混合判定帰還装置
US5224127A (en) Digital data communication system
US8937995B2 (en) Equalizer and equalizing method thereof
IE61699B1 (en) Method for the equalization of dispersive, linear or approximately linear channels for the transmission of digital signals and arrangement for carrying out the method
EP0529585A2 (de) Kanalimpulsantwort-Schätzer für Empfänger mit Maximalwahrscheinlichkeitsfolgeschätzung, für sich rasch ädernde Kanäle
EP0448758B1 (de) Verfahren zur Bestimmung der Koeffizienten eines FIR-Filters bei Entzerrern
EP2503704A1 (de) Verfahren und Vorrichtung zur Übersprechungsbeurteilung
CA1162621A (en) Adaptive equalizer device
AU2005203278A1 (en) Method for calculating filter coefficients for an equaliser in a communication receiver
KR100603766B1 (ko) 근거리 무선통신 시스템을 위한 부분적인 간섭 제거 장치및 그 방법
KR100273446B1 (ko) 수신기의 판정궤환 등화기
US7289559B2 (en) Method for updating coefficients in decision feedback equalizer
Elders-Boll et al. Adaptive receivers for mobile DS-CDMA communication systems
Johnson Jr Interplay Betweeen Recursive System Identification and Adaptive Filtering in Communication Systems
KR100265058B1 (ko) 블라인드등화장치및방법
Aldosari et al. A new MSE approach for combined linear-Viterbi equalizers
KR20000000573A (ko) 채널 등화기의 등화 적용 범위 가변방법
JPS6329445B2 (de)
Chang et al. Finite-length predictive decision feedback equalizer design for multipath channels with large delay spread