DE60217464D1 - Kanal- und Verzögerungsschätzung in Mehrträgersystemen - Google Patents

Kanal- und Verzögerungsschätzung in Mehrträgersystemen

Info

Publication number
DE60217464D1
DE60217464D1 DE60217464T DE60217464T DE60217464D1 DE 60217464 D1 DE60217464 D1 DE 60217464D1 DE 60217464 T DE60217464 T DE 60217464T DE 60217464 T DE60217464 T DE 60217464T DE 60217464 D1 DE60217464 D1 DE 60217464D1
Authority
DE
Germany
Prior art keywords
channel
carrier systems
delay estimation
estimation
delay
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
DE60217464T
Other languages
English (en)
Other versions
DE60217464T2 (de
Inventor
Nongji Chen
Robert Barnard Heaton
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE60217464D1 publication Critical patent/DE60217464D1/de
Publication of DE60217464T2 publication Critical patent/DE60217464T2/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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
DE60217464T 2002-02-07 2002-02-07 Kanal- und Verzögerungsschätzung in Mehrträgersystemen Expired - Lifetime DE60217464T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02250843A EP1335552B1 (de) 2002-02-07 2002-02-07 Kanal- und Verzögerungsschätzung in Mehrträgersystemen

Publications (2)

Publication Number Publication Date
DE60217464D1 true DE60217464D1 (de) 2007-02-22
DE60217464T2 DE60217464T2 (de) 2007-11-15

Family

ID=27589163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60217464T Expired - Lifetime DE60217464T2 (de) 2002-02-07 2002-02-07 Kanal- und Verzögerungsschätzung in Mehrträgersystemen

Country Status (4)

Country Link
US (1) US7286466B2 (de)
EP (1) EP1335552B1 (de)
JP (1) JP4293798B2 (de)
DE (1) DE60217464T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050059366A1 (en) * 2003-09-16 2005-03-17 Atheros Communications, Inc. Spur mitigation techniques
DE10354468A1 (de) * 2003-11-21 2005-06-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Überwachung der Trägerfrequenzstabilität von Sendern in einem Gleichwellennetz
DE102004047600A1 (de) * 2004-09-30 2006-04-13 Robert Bosch Gmbh Verfahren zum Synchronisieren eines Abtasttaktes sowie Synchronisationseinheit für ein Mehrträgerempfangssystem
JP4561329B2 (ja) 2004-11-18 2010-10-13 ソニー株式会社 測距システム，送信端末，受信端末，測距方法，およびコンピュータプログラム
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
DE102005041520B3 (de) * 2005-08-31 2006-12-07 Oped Ag Anti-Dekubitus-Unterlage sowie Bettauflagenaufbau umfassend eine Anti-Dekubitus-Unterlage
CN101253705A (zh) * 2005-09-01 2008-08-27 夏普株式会社 无线发送机及无线发送方法
JP4920595B2 (ja) 2005-10-31 2012-04-18 シャープ株式会社 送信制御方法、通信端末及び通信システム
EP1944882B1 (de) * 2005-10-31 2011-03-02 Sharp Kabushiki Kaisha Endgerätevorrichtung, basisstationsvorrichtung und kommunikationssystem
CN101674121B (zh) 2005-12-20 2013-10-30 华为技术有限公司 发送机
WO2007077736A1 (ja) 2005-12-26 2007-07-12 Sharp Kabushiki Kaisha 無線送信機及び無線送信方法
KR100784176B1 (ko) * 2006-01-17 2007-12-13 포스데이타 주식회사 무선통신 시스템에서 상향링크 신호의 채널을 추정하는방법 및 상기 방법이 적용된 채널 추정기
KR100896203B1 (ko) * 2006-02-24 2009-05-12 삼성전자주식회사 광대역무선접속시스템에서 데이터 복조를 위한 채널추정장치 및 방법
US7602853B2 (en) 2006-04-17 2009-10-13 Mediatek Inc. Method and apparatus for channel estimation
US20080069250A1 (en) * 2006-09-18 2008-03-20 Conexant Systems, Inc. Multipath processing systems and methods
US9515857B2 (en) * 2006-10-11 2016-12-06 Lantiq Beteiligungs-GmbH & Co. KG Methods and systems for adaptive communication
US7907673B2 (en) * 2006-10-26 2011-03-15 Telefonaktiebolaget L M Ericsson (Publ) Robust and low-complexity combined signal power estimation
WO2008058087A2 (en) * 2006-11-03 2008-05-15 Maxlinear, Inc. Edge mmse filter
US7961806B2 (en) 2007-01-23 2011-06-14 Mediatek Inc. Power adaptive channel estimation for a multi-path receiving
US20090245092A1 (en) * 2008-03-28 2009-10-01 Qualcomm Incorporated Apparatus, processes, and articles of manufacture for fast fourier transformation and beacon searching
US7944999B2 (en) * 2008-04-04 2011-05-17 Newport Media, Inc. Robust fine frequency and time estimation in mobile multimedia multicast system receivers
TWI382683B (zh) * 2009-05-06 2013-01-11 Ind Tech Res Inst 預補償光纖色散所引起的延遲的方法、應用該方法的多子載波訊號產生器、以及應用該訊號產生器的光正交分頻多工系統之傳送器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5903823A (en) * 1995-09-19 1999-05-11 Fujitsu Limited Radio apparatus with distortion compensating function
JPH09261086A (ja) * 1996-03-27 1997-10-03 Mitsubishi Electric Corp 干渉波除去装置及び干渉波除去方法
US5867478A (en) * 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
KR100265735B1 (ko) * 1997-11-25 2000-09-15 윤종용 Fft윈도우위치복원과샘플링클럭제어가연동되는ofdm수신장치및그방법
JP3090138B2 (ja) * 1999-02-04 2000-09-18 日本電気株式会社 受信機
DE60039862D1 (de) * 1999-04-22 2008-09-25 Nippon Telegraph & Telephone OFDM Nachrichtenübertragunds-Packetempfänger
US6542560B1 (en) * 1999-04-23 2003-04-01 Lucent Technologies Inc. Method of channel estimation and compensation based thereon
US6985432B1 (en) * 2000-01-28 2006-01-10 Zion Hadad OFDM communication channel
JP4284813B2 (ja) * 2000-02-18 2009-06-24 株式会社デンソー Ｏｆｄｍ用受信装置
US6850481B2 (en) * 2000-09-01 2005-02-01 Nortel Networks Limited Channels estimation for multiple input—multiple output, orthogonal frequency division multiplexing (OFDM) system

Also Published As

Publication number Publication date
JP2003264529A (ja) 2003-09-19
DE60217464T2 (de) 2007-11-15
EP1335552B1 (de) 2007-01-10
JP4293798B2 (ja) 2009-07-08
US20030169682A1 (en) 2003-09-11
US7286466B2 (en) 2007-10-23
EP1335552A1 (de) 2003-08-13

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)