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WO2009017083A1 - チャネル推定に関する方法 - Google Patents

チャネル推定に関する方法 Download PDF

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Publication number
WO2009017083A1
WO2009017083A1 PCT/JP2008/063498 JP2008063498W WO2009017083A1 WO 2009017083 A1 WO2009017083 A1 WO 2009017083A1 JP 2008063498 W JP2008063498 W JP 2008063498W WO 2009017083 A1 WO2009017083 A1 WO 2009017083A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel estimation
estimation method
radio communication
communication system
ofdm
Prior art date
Application number
PCT/JP2008/063498
Other languages
English (en)
French (fr)
Inventor
Satha Sathananthan
Kevin Lin
Thanh Bui
Dobrica Vasic
Original Assignee
Nec Corporation
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
Priority claimed from AU2007904105A external-priority patent/AU2007904105A0/en
Application filed by Nec Corporation filed Critical Nec Corporation
Priority to US12/452,617 priority Critical patent/US8457225B2/en
Priority to CN200880101320.9A priority patent/CN101939933B/zh
Priority to EP08791733.2A priority patent/EP2180619A4/en
Priority to JP2009525389A priority patent/JPWO2009017083A1/ja
Publication of WO2009017083A1 publication Critical patent/WO2009017083A1/ja

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
    • H04L25/0202—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　本発明は、無線通信システムにおいて使用することができる方法、およびそのような方法を使用するように適合されたシステムに関する。好ましい形態では、本方法は、直交周波数分割多重（ＯＦＤＭ）を使用する無線通信システムにおけるチャネル推定に有用である。本システムは、チャネル推定を最適化するための制御ブロックを備えている。
PCT/JP2008/063498 2007-07-31 2008-07-28 チャネル推定に関する方法 WO2009017083A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/452,617 US8457225B2 (en) 2007-07-31 2008-07-28 Methods relating to channel estimation
CN200880101320.9A CN101939933B (zh) 2007-07-31 2008-07-28 与信道估计有关的方法
EP08791733.2A EP2180619A4 (en) 2007-07-31 2008-07-28 CHANNEL ESTIMATING METHOD
JP2009525389A JPWO2009017083A1 (ja) 2007-07-31 2008-07-28 チャネル推定に関する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2007904105 2007-07-31
AU2007904105A AU2007904105A0 (en) 2007-07-31 Methods relating to channel estimation

Publications (1)

Publication Number Publication Date
WO2009017083A1 true WO2009017083A1 (ja) 2009-02-05

Family

ID=40304313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063498 WO2009017083A1 (ja) 2007-07-31 2008-07-28 チャネル推定に関する方法

Country Status (5)

Country Link
US (1) US8457225B2 (ja)
EP (1) EP2180619A4 (ja)
JP (1) JPWO2009017083A1 (ja)
CN (2) CN101939933B (ja)
WO (1) WO2009017083A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010114167A1 (en) * 2009-04-01 2010-10-07 Nec Corporation Channel estimation for a control channel in an ofdm system
JP2010537455A (ja) * 2007-08-17 2010-12-02 日本電気株式会社 直交周波数分割多重におけるチャネル推定の方法及びそのシステム
JP2012531848A (ja) * 2009-06-30 2012-12-10 ゼットティーイー コーポレーション 直交周波数分割多重化システムの時間オフセット推定装置及び方法
CN105791180A (zh) * 2014-12-25 2016-07-20 重庆重邮信科通信技术有限公司 多播广播单频网络信道估计方法和装置
JP2018511246A (ja) * 2015-03-20 2018-04-19 ゼットティーイー コーポレイション チャネル推定方法及び装置、記憶媒体

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* Cited by examiner, † Cited by third party
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US9071473B2 (en) 2011-09-09 2015-06-30 Telefonaktiebolaget L M Ericsson (Publ) Method and system for wireless communication channel estimation
US8971465B2 (en) 2012-03-30 2015-03-03 Qualcomm Incorporated Receiver-side estimation of and compensation for signal impairments
US9143365B2 (en) * 2013-01-30 2015-09-22 Qualcomm Incorporated Channel estimation using averaging and interpolation
US10320489B2 (en) * 2016-12-22 2019-06-11 Zte Corporation Channel estimation using intra-symbol frequency domain averaging

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JP2002009728A (ja) * 2000-06-23 2002-01-11 Hitachi Kokusai Electric Inc 直交周波数分割多重変調伝送装置
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JP2004282613A (ja) * 2003-03-18 2004-10-07 Sony Corp 等化装置およびこれを有する受信装置
JP2005286636A (ja) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd デジタル放送受信装置
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WO2007077608A1 (ja) * 2005-12-28 2007-07-12 Fujitsu Limited 通信装置及びチャネル推定方法
WO2008023680A1 (fr) * 2006-08-22 2008-02-28 Panasonic Corporation dispositif de réception à porteuses multiples
JP2008199612A (ja) * 2007-02-09 2008-08-28 Ntt Docomo Inc チャネル推定方法

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EP1742401A1 (en) * 2004-05-07 2007-01-10 Matsushita Electric Industrial Co., Ltd. Ofdm receiver apparatus and ofdm receiving method
JP2005328312A (ja) * 2004-05-13 2005-11-24 Ntt Docomo Inc チャネル推定装置、チャネル推定方法及び無線受信機
CN1780277A (zh) * 2004-11-18 2006-05-31 中兴通讯股份有限公司 正交频分复用通信系统的信道估计方法与装置
US7558223B2 (en) * 2005-04-04 2009-07-07 Panasonic Corporation OFDM receiving method of OFDM receiver for receiving an OFDM signal via a plurality of space paths
TW200705913A (en) * 2005-05-27 2007-02-01 Mediaphy Corp Adaptive interpolator for channel estimation
US20080219360A1 (en) * 2007-03-07 2008-09-11 Motorola, Inc. System and method for performing channel estimation using interpolation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0575568A (ja) * 1991-01-17 1993-03-26 Fr Telecom 通信路の周波数応答の評価と限界判定を備えた時間周波数領域に多重化されたデイジタルデータをコヒレント復調するための装置
JP2002009728A (ja) * 2000-06-23 2002-01-11 Hitachi Kokusai Electric Inc 直交周波数分割多重変調伝送装置
JP2004241804A (ja) * 2003-02-03 2004-08-26 Kddi Corp 伝送路特性推定装置および伝送路特性推定方法、無線復調装置、コンピュータプログラム
JP2004266814A (ja) * 2003-02-10 2004-09-24 Mitsubishi Electric Corp 通信装置
JP2004282613A (ja) * 2003-03-18 2004-10-07 Sony Corp 等化装置およびこれを有する受信装置
JP2007511942A (ja) * 2003-11-13 2007-05-10 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 適応補間によるチャネル推定
JP2005286636A (ja) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd デジタル放送受信装置
JP2006314088A (ja) * 2005-04-04 2006-11-16 Matsushita Electric Ind Co Ltd Ｏｆｄｍ受信方法及びｏｆｄｍ受信装置
JP2007104574A (ja) * 2005-10-07 2007-04-19 Sharp Corp マルチキャリア無線受信機及び受信方法
WO2007077608A1 (ja) * 2005-12-28 2007-07-12 Fujitsu Limited 通信装置及びチャネル推定方法
WO2008023680A1 (fr) * 2006-08-22 2008-02-28 Panasonic Corporation dispositif de réception à porteuses multiples
JP2008199612A (ja) * 2007-02-09 2008-08-28 Ntt Docomo Inc チャネル推定方法

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ATHAUDAGE C.R.N. ET AL.: "Low-complexity channel estimation for wireless OFDM systems", PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, PIMRC 2003. 14TH IEEE PROCEEDINGS, vol. 1, September 2003 (2003-09-01), pages 521 - 525, XP010681466 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010537455A (ja) * 2007-08-17 2010-12-02 日本電気株式会社 直交周波数分割多重におけるチャネル推定の方法及びそのシステム
WO2010114167A1 (en) * 2009-04-01 2010-10-07 Nec Corporation Channel estimation for a control channel in an ofdm system
CN102365833A (zh) * 2009-04-01 2012-02-29 日本电气株式会社 Ofdm系统中针对控制信道的信道估计
JP2012523136A (ja) * 2009-04-01 2012-09-27 日本電気株式会社 Ｏｆｄｍシステムにおける制御チャネルのためのチャネル推定
KR101288903B1 (ko) 2009-04-01 2013-07-23 닛본 덴끼 가부시끼가이샤 Ｏｆｄｍ 시스템에서의 제어 채널에 대한 채널 추정
US8705643B2 (en) 2009-04-01 2014-04-22 Nec Corporation Channel estimation for a control channel in an OFDM system
JP2012531848A (ja) * 2009-06-30 2012-12-10 ゼットティーイー コーポレーション 直交周波数分割多重化システムの時間オフセット推定装置及び方法
CN105791180A (zh) * 2014-12-25 2016-07-20 重庆重邮信科通信技术有限公司 多播广播单频网络信道估计方法和装置
JP2018511246A (ja) * 2015-03-20 2018-04-19 ゼットティーイー コーポレイション チャネル推定方法及び装置、記憶媒体

Also Published As

Publication number Publication date
CN101939933B (zh) 2015-10-07
US8457225B2 (en) 2013-06-04
EP2180619A1 (en) 2010-04-28
CN101939933A (zh) 2011-01-05
EP2180619A4 (en) 2014-11-05
US20100136919A1 (en) 2010-06-03
CN103475601B (zh) 2016-12-28
CN103475601A (zh) 2013-12-25
JPWO2009017083A1 (ja) 2010-10-21

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