DE69836400D1 - Verfahren zur Entzerrung und Entzerrer in einem OFDM-Empfänger - Google Patents

Verfahren zur Entzerrung und Entzerrer in einem OFDM-Empfänger

Info

Publication number
DE69836400D1
DE69836400D1 DE69836400T DE69836400T DE69836400D1 DE 69836400 D1 DE69836400 D1 DE 69836400D1 DE 69836400 T DE69836400 T DE 69836400T DE 69836400 T DE69836400 T DE 69836400T DE 69836400 D1 DE69836400 D1 DE 69836400D1
Authority
DE
Germany
Prior art keywords
equalizing
ofdm receiver
ofdm
receiver
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
DE69836400T
Other languages
English (en)
Other versions
DE69836400T2 (de
Inventor
Won-Ick Ahn
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
Application granted granted Critical
Publication of DE69836400D1 publication Critical patent/DE69836400D1/de
Publication of DE69836400T2 publication Critical patent/DE69836400T2/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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69836400T 1997-08-20 1998-08-07 Verfahren zur Entzerrung und Entzerrer in einem OFDM-Empfänger Expired - Lifetime DE69836400T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9739661 1997-08-20
KR1019970039661A KR100224864B1 (ko) 1997-08-20 1997-08-20 Ofdm 수신기를 위한 등화 방법과 등화기

Publications (2)

Publication Number Publication Date
DE69836400D1 true DE69836400D1 (de) 2006-12-28
DE69836400T2 DE69836400T2 (de) 2007-09-27

Family

ID=19517923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836400T Expired - Lifetime DE69836400T2 (de) 1997-08-20 1998-08-07 Verfahren zur Entzerrung und Entzerrer in einem OFDM-Empfänger

Country Status (6)

Country Link
EP (1) EP0898381B1 (de)
JP (1) JP3027362B2 (de)
KR (1) KR100224864B1 (de)
CN (1) CN1123997C (de)
AU (1) AU701160B1 (de)
DE (1) DE69836400T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340000B (en) * 1998-07-02 2003-06-18 Lsi Logic Corp Storing digital video braodcast signals
EP1041734A1 (de) * 1999-03-31 2000-10-04 Alcatel Funkübertragungsverfahren in einem drahtlosen Übertragungssytem mit Pilot- und Datenkanal Schätzung
US6493329B1 (en) * 1999-08-23 2002-12-10 Qualcomm Incorporated Adaptive channel estimation in a wireless communication system
US6650617B1 (en) 2000-02-22 2003-11-18 Thomson Licensing S.A. Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system
EP2262157A3 (de) 2000-07-05 2011-03-23 Sony Deutschland Gmbh Pilotsmusterentwurf für ein STTD-Schema in einem OFDM-System
US6771591B1 (en) 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals
DE1313242T1 (de) * 2000-08-21 2003-11-27 Kabushiki Kaisha Kenwood, Tokio/Tokyo Orthogonal-frequenzmultiplex-signalempfangsvorrichtung und orthogonal-frequenzmultiplex-signalempfangsverfahren
KR100360273B1 (ko) * 2000-12-28 2002-11-09 엘지전자 주식회사 디지탈 티브이 중계기의 선형보상 적응 등화기 및 그의제어방법
KR20030014078A (ko) * 2001-08-10 2003-02-15 최승국 엠엠에스이 채널 추정 방식의 오에프디엠 무선 전송 장치
WO2003017607A2 (en) * 2001-08-14 2003-02-27 Redline Communications Inc. Iterative calculation of coefficients for a multicarrier equaliser
JP3870116B2 (ja) * 2002-03-26 2007-01-17 株式会社ケンウッド 等化器
KR20030090382A (ko) * 2002-05-23 2003-11-28 주식회사 신영텔레콤 직교주파수분할 다중방식을 사용하는 시스템의 등화장치
KR100824367B1 (ko) * 2002-05-24 2008-04-22 삼성전자주식회사 Ｏｆｄｍ 송신기 및 그의 신호처리방법
KR20030095665A (ko) * 2002-06-14 2003-12-24 삼성전자주식회사 오에프디엠수신기
EP1408665B1 (de) 2002-10-10 2017-09-06 Panasonic Intellectual Property Management Co., Ltd. Erfassung der Lage von Pilotsymbolen in einem Mehrträgersignal
CN100505596C (zh) * 2003-06-10 2009-06-24 北京邮电大学 一种适用于正交频分多址系统的信道估计方法
US8526412B2 (en) * 2003-10-24 2013-09-03 Qualcomm Incorporated Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system
KR100913874B1 (ko) * 2003-10-27 2009-08-26 삼성전자주식회사 직교주파수분할다중 시스템에서 부채널 간 간섭 제거 방법
WO2006011265A1 (ja) * 2004-07-23 2006-02-02 D & M Holdings, Inc. オーディオ信号出力装置
JP2006042025A (ja) * 2004-07-28 2006-02-09 Casio Comput Co Ltd Ｏｆｄｍ信号復調回路及びｏｆｄｍ信号復調方法
CN101112017B (zh) * 2005-02-03 2011-06-01 富士通株式会社 无线通信系统及无线通信方法
EP1861977B1 (de) 2005-03-01 2009-01-21 Panasonic Corporation OFDM-Empfänger und Empfangsverfahren
KR100744525B1 (ko) * 2006-01-13 2007-08-01 엘지전자 주식회사 등화기
KR100678053B1 (ko) * 2006-02-08 2007-02-02 삼성전자주식회사 고정 광대역 무선접속 시스템에서 신호의 왜곡 보상 장치및 방법
US8077784B2 (en) 2006-05-24 2011-12-13 Panasonic Corporation OFDM demodulation device
WO2008089595A1 (en) * 2007-01-19 2008-07-31 Thomson Licensing Time domain interpolation method and apparatus for channel estimation
JP2009065393A (ja) * 2007-09-05 2009-03-26 Toyota Central R&D Labs Inc 復調方法及び復調装置
US8300726B2 (en) * 2007-11-02 2012-10-30 Alcatel Lucent Interpolation method and apparatus for increasing efficiency of crosstalk estimation
CN105610517B (zh) * 2014-11-14 2018-05-08 中兴通讯股份有限公司 相干光接收机的迭代后均衡
CN106416111B (zh) * 2015-03-24 2020-01-17 Lg电子株式会社 用于发送和接收广播信号的设备和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613267A3 (de) * 1993-02-08 1996-12-04 Philips Nv OFDM-System mit Verringerung des Übersprechens.
FR2738095B1 (fr) * 1995-08-21 1997-11-07 France Telecom Procede et dispositif de demodulation d'un signal multiporteuse tenant compte d'une estimation de la reponse du canal de transmission et d'une estimaton d'une distorsion blanche en frequence
JP2802255B2 (ja) * 1995-09-06 1998-09-24 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置
IT1281389B1 (it) * 1995-11-03 1998-02-18 Dante Tognetti Metodo per ottenere automaticamente in forma chiusa i coefficienti di una rete equalizzatrice in un sistema di trasmissione di dati
FR2743967B1 (fr) * 1996-01-18 1998-03-27 France Telecom Procede et dispositif de synchronisation temporelle d'un recepteur d'un signal multiporteuse

Also Published As

Publication number Publication date
EP0898381B1 (de) 2006-11-15
JPH11150494A (ja) 1999-06-02
CN1123997C (zh) 2003-10-08
DE69836400T2 (de) 2007-09-27
CN1209007A (zh) 1999-02-24
KR100224864B1 (ko) 1999-10-15
EP0898381A2 (de) 1999-02-24
AU701160B1 (en) 1999-01-21
EP0898381A3 (de) 2002-10-02
JP3027362B2 (ja) 2000-04-04
KR19990016931A (ko) 1999-03-15

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