WO2008129825A1 - Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム - Google Patents

Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム Download PDF

Info

Publication number
WO2008129825A1
WO2008129825A1 PCT/JP2008/000706 JP2008000706W WO2008129825A1 WO 2008129825 A1 WO2008129825 A1 WO 2008129825A1 JP 2008000706 W JP2008000706 W JP 2008000706W WO 2008129825 A1 WO2008129825 A1 WO 2008129825A1
Authority
WO
WIPO (PCT)
Prior art keywords
ofdm reception
carrier
circuit
pass band
interpolation filter
Prior art date
Application number
PCT/JP2008/000706
Other languages
English (en)
French (fr)
Inventor
Mikihiro Ouchi
Kenichiro Hayashi
Tomohiro Kimura
Original Assignee
Panasonic 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
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to CN2008800100943A priority Critical patent/CN101669312B/zh
Priority to JP2009510772A priority patent/JP5222843B2/ja
Priority to EP08720585.2A priority patent/EP2131512B1/en
Priority to US12/593,127 priority patent/US8416844B2/en
Publication of WO2008129825A1 publication Critical patent/WO2008129825A1/ja

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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • 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
    • H04L27/2662—Symbol 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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

　同期部１０１は、ガード相関値に基づいてガード相関重心位置を特定し、キャリア方向シフト量Ｆｓｈｉｆｔを算出する。等化部１０２は、同期部１０１で算出されたキャリア方向シフト量Ｆｓｈｉｆｔだけ、キャリア補間部１１１におけるキャリア補間フィルタの通過帯域をシフトさせる。このシフト処理により、いずれのＦＦＴ窓位置に対しても遅延プロファイルは、キャリア補間フィルタの通過帯域の中央に収まることになる。よって、キャリア補間フィルタの通過帯域がガード期間より狭い場合であっても、ＦＦＴ窓位置の範囲に制限を加えることなく、伝送路推定が可能となる。
PCT/JP2008/000706 2007-03-27 2008-03-25 Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム WO2008129825A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008800100943A CN101669312B (zh) 2007-03-27 2008-03-25 Ofdm接收装置、ofdm接收方法、ofdm接收电路及集成电路
JP2009510772A JP5222843B2 (ja) 2007-03-27 2008-03-25 Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム
EP08720585.2A EP2131512B1 (en) 2007-03-27 2008-03-25 OFDM reception device, OFDM reception method, OFDM reception circuit, integrated circuit and program
US12/593,127 US8416844B2 (en) 2007-03-27 2008-03-25 OFDM receiving apparatus, OFDM receiving method, OFDM receiving circuit, integrated circuit, and program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007080936 2007-03-27
JP2007-080936 2007-03-27

Publications (1)

Publication Number Publication Date
WO2008129825A1 true WO2008129825A1 (ja) 2008-10-30

Family

ID=39875357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000706 WO2008129825A1 (ja) 2007-03-27 2008-03-25 Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム

Country Status (5)

Country Link
US (1) US8416844B2 (ja)
EP (1) EP2131512B1 (ja)
JP (1) JP5222843B2 (ja)
CN (1) CN101669312B (ja)
WO (1) WO2008129825A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009125592A1 (ja) * 2008-04-11 2009-10-15 パナソニック株式会社 受信装置、集積回路、デジタルテレビ受像機、受信方法、及び受信プログラム
JP2010283554A (ja) * 2009-06-04 2010-12-16 Sony Corp 受信装置および方法、プログラム、並びに受信システム
JP2012028922A (ja) * 2010-07-21 2012-02-09 Fujitsu Ltd Ｏｆｄｍ通信受信装置
JP2012080393A (ja) * 2010-10-04 2012-04-19 Pioneer Electronic Corp Ｏｆｄｍ受信装置
JP2017077021A (ja) * 2016-12-20 2017-04-20 富士通テン株式会社 受信装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4655241B2 (ja) * 2008-09-30 2011-03-23 ソニー株式会社 受信装置、受信方法、およびプログラム
CN101924723B (zh) * 2009-06-09 2013-05-08 中兴通讯股份有限公司 Ofdm信号解调方法和装置
CN103733548B (zh) * 2011-09-05 2016-08-24 三菱电机株式会社 通信领域的接收装置和接收方法
GB2522836A (en) * 2013-12-02 2015-08-12 Neul Ltd Interference mitigation
US9288094B2 (en) * 2013-12-18 2016-03-15 Intel Corporation Adaptive channel prediction and mitigating interference in OFDM systems
US9923737B2 (en) * 2015-08-24 2018-03-20 Texas Instruments Incorporated Analog-digital compatible re-sampling

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004343480A (ja) * 2003-05-16 2004-12-02 Fujitsu Ltd Ｏｆｄｍ受信装置
JP2005260331A (ja) * 2004-03-09 2005-09-22 Hitachi Kokusai Electric Inc Ｏｆｄｍ受信装置
JP2005312027A (ja) 2004-03-26 2005-11-04 Sony United Kingdom Ltd 受信機
WO2005109712A1 (ja) * 2004-05-07 2005-11-17 Matsushita Electric Industrial Co., Ltd. Ofdm受信装置及びofdm受信方法
JP2006005396A (ja) * 2004-06-15 2006-01-05 Toyota Central Res & Dev Lab Inc 等化装置及び復調装置
JP2006140987A (ja) 2004-10-12 2006-06-01 Nippon Hoso Kyokai <Nhk> 受信装置
JP2006311385A (ja) * 2005-04-28 2006-11-09 Toshiba Corp 受信装置
JP2007318315A (ja) * 2006-05-24 2007-12-06 Fujitsu Ltd Ｏｆｄｍ受信機
WO2008023539A1 (fr) * 2006-08-21 2008-02-28 Panasonic Corporation Récepteur, circuit intégré et procédé de réception

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3981898B2 (ja) * 1998-02-20 2007-09-26 ソニー株式会社 信号受信装置および方法、並びに記録媒体
GB2369016B (en) 2000-11-09 2004-06-09 Sony Uk Ltd Receiver
GB2376855A (en) 2001-06-20 2002-12-24 Sony Uk Ltd Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates
CN1572080B (zh) * 2002-04-09 2011-04-06 松下移动通信株式会社 正交频分多路复用通信方法与正交频分多路复用通信装置
GB2395094A (en) 2002-10-28 2004-05-12 Sony Uk Ltd Determining a symbol synch time in an OFDM receiver
JP2004336279A (ja) 2003-05-06 2004-11-25 Toshiba Corp Ｏｆｄｍ受信装置および受信方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004343480A (ja) * 2003-05-16 2004-12-02 Fujitsu Ltd Ｏｆｄｍ受信装置
JP2005260331A (ja) * 2004-03-09 2005-09-22 Hitachi Kokusai Electric Inc Ｏｆｄｍ受信装置
JP2005312027A (ja) 2004-03-26 2005-11-04 Sony United Kingdom Ltd 受信機
WO2005109712A1 (ja) * 2004-05-07 2005-11-17 Matsushita Electric Industrial Co., Ltd. Ofdm受信装置及びofdm受信方法
JP2006005396A (ja) * 2004-06-15 2006-01-05 Toyota Central Res & Dev Lab Inc 等化装置及び復調装置
JP2006140987A (ja) 2004-10-12 2006-06-01 Nippon Hoso Kyokai <Nhk> 受信装置
JP2006311385A (ja) * 2005-04-28 2006-11-09 Toshiba Corp 受信装置
JP2007318315A (ja) * 2006-05-24 2007-12-06 Fujitsu Ltd Ｏｆｄｍ受信機
WO2008023539A1 (fr) * 2006-08-21 2008-02-28 Panasonic Corporation Récepteur, circuit intégré et procédé de réception

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KIMURA: "Performance of high-speed mobile reception for digital terrestrial broadcasting by one symbol channel estimation", THE TECHNICAL REPORT ON THE INSTITUTE OF IMAGE INFORMATION AND TELEVISION ENGINEERS, June 2005 (2005-06-01)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009125592A1 (ja) * 2008-04-11 2009-10-15 パナソニック株式会社 受信装置、集積回路、デジタルテレビ受像機、受信方法、及び受信プログラム
US8340220B2 (en) 2008-04-11 2012-12-25 Panasonic Corporation Receiver, integrated circuit, digital television receiver, reception method, and reception program
JP5281078B2 (ja) * 2008-04-11 2013-09-04 パナソニック株式会社 受信装置、集積回路、デジタルテレビ受像機、受信方法、及び受信プログラム
JP2010283554A (ja) * 2009-06-04 2010-12-16 Sony Corp 受信装置および方法、プログラム、並びに受信システム
JP2012028922A (ja) * 2010-07-21 2012-02-09 Fujitsu Ltd Ｏｆｄｍ通信受信装置
JP2012080393A (ja) * 2010-10-04 2012-04-19 Pioneer Electronic Corp Ｏｆｄｍ受信装置
JP2017077021A (ja) * 2016-12-20 2017-04-20 富士通テン株式会社 受信装置

Also Published As

Publication number Publication date
JP5222843B2 (ja) 2013-06-26
US20100128822A1 (en) 2010-05-27
EP2131512B1 (en) 2014-06-04
JPWO2008129825A1 (ja) 2010-07-22
CN101669312A (zh) 2010-03-10
EP2131512A1 (en) 2009-12-09
CN101669312B (zh) 2013-01-02
US8416844B2 (en) 2013-04-09
EP2131512A4 (en) 2012-10-10

Similar Documents

Publication Publication Date Title
WO2008129825A1 (ja) Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム
WO2011028978A3 (en) Multi-stage interference suppression
WO2007130861A3 (en) Power management in digital receivers
WO2009120468A3 (en) Method and apparatus for adaptive channel estimation in a communication system
WO2008084784A1 (ja) Ｏｆｄｍ受信装置、ｏｆｄｍ受信集積回路、ｏｆｄｍ受信方法及びｏｆｄｍ受信プログラム
WO2007082286A3 (en) Device and method for performing channel estimation for ofdm-based signals with variable pilot subcarrier spacing
DE602004029333D1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
WO2008011345A3 (en) Receiver having multi-antenna log likelihood ratio generation with channel estimation error
EP1746794A3 (en) Path selection in an OFDM communication apparatus
TW200718080A (en) Channel estimation for wireless communication
WO2008148078A3 (en) Ofdm-based device and method for performing synchronization in the presence of interference signals
MY139596A (en) Cdma pilot assisted channel estimation
WO2011029075A3 (en) Techniques and systems for communications based on time reversal pre-coding
WO2011100583A3 (en) Digital communication system for use in high noise channels
WO2011046701A3 (en) Device, system and method of selectively aborting reception of wireless communication packets
WO2009009538A3 (en) Techniques for receiver beamforming and yielding-threshold adjustments in peer-to-peer networks
EP2200239A3 (en) Communication receiver with an adaptive equalizer that uses channel estimation
WO2010002787A3 (en) Framed device, seal, and method for manufacturing same
TW200737806A (en) Radio communication device and radio communication method
WO2009056499A3 (en) Selection of equalizer parameter in a radio receiver
MXPA05011433A (es) Ecualizador.
WO2008083303A3 (en) Methods and apparatuses for reducing inter-carrier interference in an ofdm system
WO2009056500A3 (en) A radio receiver in a wireless communications system
WO2007100982A3 (en) Synchronization for ofdm signals
TW200707991A (en) Doppler spread estimation for OFDM systems

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880010094.3

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08720585

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2009510772

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12593127

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2008720585

Country of ref document: EP