FR2837037B1 - Procede et appareil pour determiner des coefficients d'un egaliseur - Google Patents

Procede et appareil pour determiner des coefficients d'un egaliseur

Info

Publication number
FR2837037B1
FR2837037B1 FR0302706A FR0302706A FR2837037B1 FR 2837037 B1 FR2837037 B1 FR 2837037B1 FR 0302706 A FR0302706 A FR 0302706A FR 0302706 A FR0302706 A FR 0302706A FR 2837037 B1 FR2837037 B1 FR 2837037B1
Authority
FR
France
Prior art keywords
equalizer
determining coefficients
coefficients
determining
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
FR0302706A
Other languages
English (en)
Other versions
FR2837037A1 (fr
Inventor
Yong Woon Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2837037A1 publication Critical patent/FR2837037A1/fr
Application granted granted Critical
Publication of FR2837037B1 publication Critical patent/FR2837037B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • 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
    • 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
    • H04L2025/03414—Multicarrier
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
FR0302706A 2002-03-06 2003-03-05 Procede et appareil pour determiner des coefficients d'un egaliseur Expired - Fee Related FR2837037B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2002-0011889A KR100441250B1 (ko) 2002-03-06 2002-03-06 이퀄라이저의 계수 계산 방법 및 그것을 계산하는 장치

Publications (2)

Publication Number Publication Date
FR2837037A1 FR2837037A1 (fr) 2003-09-12
FR2837037B1 true FR2837037B1 (fr) 2008-02-01

Family

ID=27764633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0302706A Expired - Fee Related FR2837037B1 (fr) 2002-03-06 2003-03-05 Procede et appareil pour determiner des coefficients d'un egaliseur

Country Status (4)

Country Link
US (1) US7224725B2 (fr)
KR (1) KR100441250B1 (fr)
FR (1) FR2837037B1 (fr)
TW (1) TW580789B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484446B1 (ko) * 2002-09-07 2005-04-22 텔레시스 인코포레이티드 통신시스템의 등화 장치
KR100602745B1 (ko) * 2002-12-05 2006-07-20 텔레시스 와이어레스 인코포레이티드 통신 시스템의 등화 장치 및 그에 의한 등화 방법
US7002897B2 (en) * 2003-04-28 2006-02-21 Solarflare Communications, Inc. Multiple channel interference cancellation
US20050053127A1 (en) * 2003-07-09 2005-03-10 Muh-Tian Shiue Equalizing device and method
CN1303769C (zh) * 2004-01-29 2007-03-07 威盛电子股份有限公司 更新决定反馈均衡器参数的方法
US20060153310A1 (en) * 2005-01-07 2006-07-13 Conexant Systems, Inc. Time-domain equalizer for discrete multi-tone based DSL systems with cyclic extension in training
US7848402B1 (en) * 2005-09-29 2010-12-07 Altera Corporation Phase-adjusted pre-emphasis and equalization for data communication
US7715472B2 (en) 2005-10-25 2010-05-11 Broadcom Corporation Equalizer architecture for data communication
US20070104263A1 (en) * 2005-11-09 2007-05-10 Chiao-Chih Chang Method for adaptively tuning an equalizer
KR100965675B1 (ko) * 2006-12-28 2010-06-24 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 심볼 변조 방법 및장치와 이를 이용한 송신 장치
KR20080073926A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 오디오 신호를 복호화하는 장치에서 이퀄라이저를 구현하는방법 및 이를 위한 장치
US7579921B2 (en) 2007-04-25 2009-08-25 Nec Laboratories America, Inc. On-off keying-7-phase shift keying modulation system and method for fiber communication
KR200449539Y1 (ko) * 2008-05-14 2010-07-20 (주)홀랜드코리아 투광판이 부설된 매입형 천정등
US8238481B2 (en) * 2008-07-02 2012-08-07 Qualcomm Incorporated Blind channel estimation for PSK and D-PSK modulated multicarrier communication systems
KR101074454B1 (ko) * 2009-08-18 2011-10-18 연세대학교 산학협력단 적응형 등화 장치 및 등화 방법
KR101450414B1 (ko) * 2009-12-16 2014-10-14 노키아 코포레이션 멀티-채널 오디오 프로세싱
US8767812B2 (en) * 2010-04-15 2014-07-01 Ikanos Communications, Inc. Systems and methods for frequency domain realization of non-integer fractionally spaced time domain equalization
CN103532886A (zh) * 2013-10-22 2014-01-22 北京邮电大学 一种适用于航空通信系统的地空信道估计器
CN111510175B (zh) * 2020-04-16 2022-01-07 北京大学（天津滨海）新一代信息技术研究院 一种多路收发机结构
CN113221313A (zh) * 2021-02-22 2021-08-06 广东工业大学 一种音频均衡器的设计方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG54201A1 (en) * 1992-09-18 1998-11-16 Oki Electric Ind Co Ltd Adaptive equalizing receiver and maximum likelihood sequence estimating receiver
KR19980054425A (ko) * 1996-12-27 1998-09-25 구자홍 모뎀의 탭 계수 설정방법
KR100252011B1 (ko) * 1997-10-27 2000-04-15 윤종용 시분할이중(tdd)방식 이산다중톤(dmt) 시스템의 데이터전송방법
US5887027A (en) * 1997-12-24 1999-03-23 Lucent Technologies Inc. Method of upstream channel modeling for PCM modem
KR100495149B1 (ko) * 1997-12-30 2005-09-15 엘지전자 주식회사 케이블모뎀용비선형등화장치및그방법
US6535552B1 (en) * 1999-05-19 2003-03-18 Motorola, Inc. Fast training of equalizers in discrete multi-tone (DMT) systems
US6819716B1 (en) * 2000-04-04 2004-11-16 Nortel Networks Limited System, device, and method for time-domain equalizer training using injected out-of-band noise
US6961370B2 (en) * 2001-03-29 2005-11-01 Acterna Sweep method using digital signals

Also Published As

Publication number Publication date
TW200304273A (en) 2003-09-16
FR2837037A1 (fr) 2003-09-12
KR20030072724A (ko) 2003-09-19
TW580789B (en) 2004-03-21
KR100441250B1 (ko) 2004-07-21
US20030169809A1 (en) 2003-09-11
US7224725B2 (en) 2007-05-29

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Legal Events

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ST Notification of lapse

Effective date: 20151130