JP2002111620A - 受信装置及びチャンネル推定方法 - Google Patents

受信装置及びチャンネル推定方法

Info

Publication number
JP2002111620A
JP2002111620A JP2001233990A JP2001233990A JP2002111620A JP 2002111620 A JP2002111620 A JP 2002111620A JP 2001233990 A JP2001233990 A JP 2001233990A JP 2001233990 A JP2001233990 A JP 2001233990A JP 2002111620 A JP2002111620 A JP 2002111620A
Authority
JP
Japan
Prior art keywords
pilot
channel
pilot symbols
symbol
channel estimation
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.)
Ceased
Application number
JP2001233990A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002111620A5 (enExample
Inventor
Zhaocheng Wang
ワン、チャオチュン
Richard Stirling-Gallacher
ステアリング−ギャラハー、リチャード
Thomas Doelle
ドレ、トーマス
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.)
Sony Deutschland GmbH
Original Assignee
Sony International Europe GmbH
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 Sony International Europe GmbH filed Critical Sony International Europe GmbH
Publication of JP2002111620A publication Critical patent/JP2002111620A/ja
Publication of JP2002111620A5 publication Critical patent/JP2002111620A5/ja
Ceased 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP2001233990A 2000-08-01 2001-08-01 受信装置及びチャンネル推定方法 Ceased JP2002111620A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00116635A EP1178640B1 (en) 2000-08-01 2000-08-01 Device and method for channel estimating an OFDM system
EP00116635.4 2000-08-01

Publications (2)

Publication Number Publication Date
JP2002111620A true JP2002111620A (ja) 2002-04-12
JP2002111620A5 JP2002111620A5 (enExample) 2008-10-09

Family

ID=8169423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001233990A Ceased JP2002111620A (ja) 2000-08-01 2001-08-01 受信装置及びチャンネル推定方法

Country Status (4)

Country Link
US (1) US7012882B2 (enExample)
EP (1) EP1178640B1 (enExample)
JP (1) JP2002111620A (enExample)
DE (1) DE60028200T2 (enExample)

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KR100686046B1 (ko) 2004-12-23 2007-02-23 엘지전자 주식회사 디지털 수신기의 채널 추정 장치 및 방법
JP2007110333A (ja) * 2005-10-12 2007-04-26 Nippon Hoso Kyokai <Nhk> チャンネル推定補正を行うｏｆｄｍ受信装置
JP2008514159A (ja) * 2004-09-23 2008-05-01 モトローラ・インコーポレイテッド 無線通信システムにおいて無線通信を暗号化する方法及び装置
CN100534077C (zh) * 2002-05-29 2009-08-26 英特尔公司 用于具有相位和振幅校准的多信道发射机和接收机的方法和系统
JP2009260604A (ja) * 2008-04-16 2009-11-05 Fujitsu Ltd 移動局装置及び伝送路推定方法
JP2010118920A (ja) * 2008-11-13 2010-05-27 Mitsubishi Electric Corp Ｏｆｄｍ復調装置
JP2010136384A (ja) * 2003-10-24 2010-06-17 Qualcomm Inc 無線通信システムにおいてマルチメディアストリーム間の受信をシームレスに切り替えるための方法および装置

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EP1530336B1 (en) 1999-01-08 2009-06-10 Sony Deutschland GmbH Synchronization preamble structure for OFDM system
DE10039902B4 (de) * 2000-08-16 2011-04-28 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Frequenz- und Zeit-Synchronisation eines Empfängers
US7248559B2 (en) 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
US7209433B2 (en) 2002-01-07 2007-04-24 Hitachi, Ltd. Channel estimation and compensation techniques for use in frequency division multiplexed systems
US7173991B2 (en) 2002-06-17 2007-02-06 Hitachi, Ltd. Methods and apparatus for spectral filtering channel estimates
US7139340B2 (en) 2002-06-28 2006-11-21 Hitachi, Ltd. Robust OFDM carrier recovery methods and apparatus
US7433298B1 (en) 2002-08-19 2008-10-07 Marvell International Ltd. Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
US7286514B2 (en) * 2002-12-10 2007-10-23 New Jersey Institute Of Technology Method for phase noise suppression for OFDM based WLANs
US7639600B1 (en) 2003-02-12 2009-12-29 Marvell International Ltd. Low complexity channel estimation for orthogonal frequency division modulation systems
JP4077355B2 (ja) 2003-04-16 2008-04-16 三菱電機株式会社 通信装置および通信方法
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
US20050059366A1 (en) * 2003-09-16 2005-03-17 Atheros Communications, Inc. Spur mitigation techniques
US20070110172A1 (en) * 2003-12-03 2007-05-17 Australian Telecommunications Cooperative Research Channel estimation for ofdm systems
US8391413B2 (en) * 2003-12-19 2013-03-05 Qualcomm Incorporated Channel estimation for an OFDM communication system with inactive subbands
US7339999B2 (en) * 2004-01-21 2008-03-04 Qualcomm Incorporated Pilot transmission and channel estimation for an OFDM system with excess delay spread
US8553822B2 (en) * 2004-01-28 2013-10-08 Qualcomm Incorporated Time filtering for excess delay mitigation in OFDM systems
ES2885101T3 (es) 2004-01-29 2021-12-13 Neo Wireless Llc Procedimientos y aparatos para superponer señales de espectro ensanchado de secuencia directa y de múltiples portadoras en un sistema de comunicación inalámbrica de banda ancha
US7570722B1 (en) * 2004-02-27 2009-08-04 Marvell International Ltd. Carrier frequency offset estimation for OFDM systems
KR100922948B1 (ko) * 2004-03-11 2009-10-22 삼성전자주식회사 상향링크 직교주파수분할다중접속 시스템을 위한 파일럿설계 방법
CN1951050B (zh) * 2004-03-15 2013-10-30 苹果公司 用于具有四根发射天线的ofdm系统的导频设计
JP4012167B2 (ja) * 2004-03-31 2007-11-21 株式会社東芝 無線通信システム
US7457231B2 (en) * 2004-05-04 2008-11-25 Qualcomm Incorporated Staggered pilot transmission for channel estimation and time tracking
US8027243B2 (en) * 2004-06-25 2011-09-27 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
JP4181093B2 (ja) * 2004-07-16 2008-11-12 株式会社東芝 無線通信システム
CN100566317C (zh) * 2004-10-22 2009-12-02 财团法人工业技术研究院 基于频率相关性的相干正交频分复用接收器同步方法与装置
US20060088133A1 (en) * 2004-10-22 2006-04-27 Industrial Technology Research Institute Time-frequency correlation-based synchronization for coherent OFDM receiver
US7835264B2 (en) * 2004-12-29 2010-11-16 Mitsubishi Denki Kabushiki Kaisha Interleaver, deinterleaver, communication device, and method for interleaving and deinterleaving
US7668269B2 (en) * 2005-05-09 2010-02-23 Ati Technologies, Inc. Systems, methods, and apparatus for phase noise mitigation
EP1734711A1 (en) * 2005-06-13 2006-12-20 Alcatel A method for OFDM symbol sequence adaptation avoiding neighbor subcarrier interference, a transmitter, a program module and a mobile network therefor
US7808883B2 (en) * 2005-08-08 2010-10-05 Nokia Corporation Multicarrier modulation with enhanced frequency coding
JP4659154B2 (ja) * 2006-01-18 2011-03-30 株式会社日立国際電気 通信装置
CN101467407B (zh) * 2006-04-27 2016-05-04 意大利电信股份公司 单一载波频分多址系统中的频域信道估计
JP4946159B2 (ja) * 2006-05-09 2012-06-06 富士通株式会社 無線送信方法及び無線受信方法並びに無線送信装置及び無線受信装置
WO2008013398A1 (en) * 2006-07-28 2008-01-31 Samsung Electronics Co., Ltd. Method and apparatus for positioning pilot in an ofdma mobile communication system
US7889799B2 (en) * 2006-08-02 2011-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for OFDM channel estimation
EP1936894A1 (en) * 2006-12-21 2008-06-25 Fujitsu Ltd. Pilot block-based channel estimation in a OFDM system
EP2198547B1 (en) * 2007-09-28 2015-11-11 Nokia Technologies Oy Apparatuses and methods for improving signaling channel robustness
US8811339B2 (en) 2008-07-07 2014-08-19 Blackberry Limited Handover schemes for wireless systems
EP2192735A1 (en) 2008-11-28 2010-06-02 Sony Corporation Receiving apparatus and method for receiving signals in a wireless communication system with improved equalization performance
KR20100073062A (ko) * 2008-12-22 2010-07-01 한국전자통신연구원 주파수 오차 추정기 및 그것의 주파수 오차 추정 방법
EP2214362B1 (en) * 2009-02-02 2012-08-01 Sony Corporation Receiving apparatus with frequency domain equalizer
EP2226963B1 (en) 2009-03-04 2013-05-08 Sony Corporation Receiving apparatus and method with non-oversampling analog to digital conversion
US8913566B1 (en) * 2010-04-12 2014-12-16 Sprint Spectrum L.P. Using traffic channels to extend wireless coverage in poor pilot-signal conditions
CN102238109B (zh) * 2010-04-22 2015-06-10 中兴通讯股份有限公司 一种信道估计方法及装置
US9100228B2 (en) * 2010-06-16 2015-08-04 Avago Technologies General Ip (Singapore) Pte. Ltd. Long term evolution (LTE) uplink canonical channel estimation
US9571324B2 (en) 2013-07-23 2017-02-14 Intel IP Corporation Method for improving spectral efficiency in Wi-Fi OFDM systems
EP3434055B1 (en) * 2016-03-23 2023-05-10 Nokia Technologies Oy Common phase error and/or inter-carrier interference
CN110011734B (zh) * 2019-04-18 2020-06-30 杭州电子科技大学 基于导频和二维投影直方图的co-ofdm系统中的cpe补偿方法

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JP2001292122A (ja) * 2000-04-07 2001-10-19 Sony Corp 復調装置及び復調方法

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JPH08265293A (ja) * 1995-03-23 1996-10-11 Toshiba Corp 直交周波数分割多重伝送方式とその送信装置および受信装置
EP0877526A2 (en) * 1997-05-02 1998-11-11 Lsi Logic Corporation Demodulating digital video broadcast signals
WO1999001956A1 (en) * 1997-07-01 1999-01-14 Advanced Digital Television Broadcasting Laboratory Orthogonal frequency-division multiplex transmission system, and its transmitter and receiver
JP2001292122A (ja) * 2000-04-07 2001-10-19 Sony Corp 復調装置及び復調方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100534077C (zh) * 2002-05-29 2009-08-26 英特尔公司 用于具有相位和振幅校准的多信道发射机和接收机的方法和系统
JP2010136384A (ja) * 2003-10-24 2010-06-17 Qualcomm Inc 無線通信システムにおいてマルチメディアストリーム間の受信をシームレスに切り替えるための方法および装置
US8879979B2 (en) 2003-10-24 2014-11-04 Qualcomm Incorporated Method and apparatus for seamlessly switching reception between multimedia streams in a wireless communication system
JP2008514159A (ja) * 2004-09-23 2008-05-01 モトローラ・インコーポレイテッド 無線通信システムにおいて無線通信を暗号化する方法及び装置
KR100686046B1 (ko) 2004-12-23 2007-02-23 엘지전자 주식회사 디지털 수신기의 채널 추정 장치 및 방법
JP2007110333A (ja) * 2005-10-12 2007-04-26 Nippon Hoso Kyokai <Nhk> チャンネル推定補正を行うｏｆｄｍ受信装置
JP2009260604A (ja) * 2008-04-16 2009-11-05 Fujitsu Ltd 移動局装置及び伝送路推定方法
JP2010118920A (ja) * 2008-11-13 2010-05-27 Mitsubishi Electric Corp Ｏｆｄｍ復調装置

Also Published As

Publication number Publication date
EP1178640A1 (en) 2002-02-06
DE60028200D1 (de) 2006-06-29
EP1178640B1 (en) 2006-05-24
DE60028200T2 (de) 2007-03-15
US7012882B2 (en) 2006-03-14
US20020034213A1 (en) 2002-03-21

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