DE60321401D1 - Demodulationseinrichtung und demodulationsverfahren - Google Patents

Demodulationseinrichtung und demodulationsverfahren

Info

Publication number: DE60321401D1
Authority: DE; Germany
Prior art keywords: demodulation; demodulation method; demodulation device
Prior art date: 2003-05-12
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

DE60321401T

Other languages

English (en)

Inventor

Jun Ido

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.)

2003-05-12

Filing date

2003-12-19

Publication date

2008-07-10

2003-12-19 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2008-07-10 Application granted granted Critical

2008-07-10 Publication of DE60321401D1 publication Critical patent/DE60321401D1/de

2023-12-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- 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
- 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
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
- 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
- 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
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Synchronisation In Digital Transmission Systems (AREA)
Noise Elimination (AREA)

DE60321401T 2003-05-12 2003-12-19 Demodulationseinrichtung und demodulationsverfahren Expired - Lifetime DE60321401D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2003132544		2003-05-12
PCT/JP2003/016298 WO2004100413A1 (ja)	2003-05-12	2003-12-19	復調装置及び復調方法

Publications (1)

Publication Number	Publication Date
DE60321401D1 true DE60321401D1 (de)	2008-07-10

Family

ID=33432168

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60321401T Expired - Lifetime DE60321401D1 (de)	2003-05-12	2003-12-19	Demodulationseinrichtung und demodulationsverfahren

Country Status (6)

Country	Link
US (1)	US7580466B2 (de)
EP (1)	EP1624602B1 (de)
JP (1)	JP3654646B2 (de)
DE (1)	DE60321401D1 (de)
TW (1)	TWI244281B (de)
WO (1)	WO2004100413A1 (de)

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KR100528332B1 (ko) *	2003-03-15	2006-01-09	삼성전자주식회사	Ｏｆｄｍ 시스템에서의 초기 주파수 동기 방법 및 장치
JP3935120B2 (ja) *	2003-08-11	2007-06-20	株式会社東芝	受信装置
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
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US7457231B2 (en) *	2004-05-04	2008-11-25	Qualcomm Incorporated	Staggered pilot transmission for channel estimation and time tracking
CN1842982A (zh) *	2004-05-07	2006-10-04	松下电器产业株式会社	正交频分复用接收装置及正交频分复用接收方法
KR101029811B1 (ko) *	2004-09-17	2011-04-20	엘지전자 주식회사	디지털 수신기의 주파수 복원 장치 및 방법
US20060088133A1 (en) *	2004-10-22	2006-04-27	Industrial Technology Research Institute	Time-frequency correlation-based synchronization for coherent OFDM receiver
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
EP1845645A4 (de) *	2005-01-11	2013-03-13	Nec Corp	Basisstationsvorrichtung, funkübertragungssystem, funkbasisstationsprogramm und timing-schätzverfahren
US8401503B2 (en) *	2005-03-01	2013-03-19	Qualcomm Incorporated	Dual-loop automatic frequency control for wireless communication
US8009775B2 (en) *	2005-03-11	2011-08-30	Qualcomm Incorporated	Automatic frequency control for a wireless communication system with multiple subcarriers
KR101256696B1 (ko) *	2005-04-21	2013-04-19	텔레폰악티에볼라겟엘엠에릭슨(펍)	Ｏｆｄｍ 시스템에서의 감소된 복잡성 채널 추정
US7916694B2 (en) *	2005-07-19	2011-03-29	Broadcom Corporation	Method and system reducing peak to average power ratio (PAPR) in a communication network
WO2007040210A1 (ja) *	2005-10-05	2007-04-12	Sharp Kabushiki Kaisha	マルチキャリア受信装置
JP3841819B1 (ja) *	2005-11-08	2006-11-08	三菱電機株式会社	直交周波数分割多重信号の受信装置および受信方法
US10090963B2 (en) *	2005-12-08	2018-10-02	Koninklijke Philips N.V.	System, apparatus, and method for single-carrier block transmission with adaptive guard interval
JP2007202081A (ja)	2006-01-30	2007-08-09	Sony Corp	Ｏｆｄｍ復調装置及び方法
EP1983672B1 (de) *	2006-02-08	2015-07-29	NEC Corporation	Einträger-übertragungssystem, kommunikationseinrichtung und dafür verwendetes einträger-übertragungsverfahren
JP4664234B2 (ja) *	2006-05-24	2011-04-06	富士通セミコンダクター株式会社	Ｏｆｄｍ受信機
US8290031B1 (en) *	2006-08-14	2012-10-16	The Board Of Trustees Of The Leland Stanford Junior University	Arrangements and methods for providing compensation for non-idealities of components in communications systems
JP4916846B2 (ja) *	2006-11-20	2012-04-18	シャープ株式会社	Ｏｆｄｍ復調装置及びｏｆｄｍ復調方法
KR100864014B1 (ko) *	2006-12-07	2008-10-16	한국전자통신연구원	컴포넌트 스타트 순서에 따른 ｓｃａ기반의 파형어플리케이션의 스타트 방법
US7961806B2 (en) *	2007-01-23	2011-06-14	Mediatek Inc.	Power adaptive channel estimation for a multi-path receiving
FR2919973B1 (fr) *	2007-08-09	2009-09-25	Alcatel Lucent Sas	Dispositif et procede de controle des positions de retards temporels de terminaux radio rattaches a un reseau radio de type ofdm
JP4362142B2 (ja) *	2007-10-05	2009-11-11	Ｏｋｉセミコンダクタ株式会社	遅延プロファイル生成器
JP5031633B2 (ja) *	2008-01-28	2012-09-19	京セラ株式会社	無線通信方法、無線通信システム、基地局
JP4524704B2 (ja) *	2008-03-14	2010-08-18	ソニー株式会社	復調回路、復調方法、プログラム、および受信装置
JP5062839B2 (ja) *	2008-03-17	2012-10-31	株式会社日立国際電気	Ｏｆｄｍ受信装置およびｏｆｄｍ中継装置
JP4684308B2 (ja) *	2008-03-27	2011-05-18	三菱電機株式会社	復調装置
EP3514993A1 (de)	2008-03-31	2019-07-24	Panasonic Intellectual Property Management Co., Ltd.	Empfänger, empfangsverfahren, empfangsprogramm, integrierte schaltung und digitales fernsehen
JP5058099B2 (ja) *	2008-08-21	2012-10-24	三菱電機株式会社	遅延プロファイル推定装置およびその方法
JP5362303B2 (ja) *	2008-09-26	2013-12-11	株式会社エヌ・ティ・ティ・ドコモ	受信装置及び受信方法
JP4626698B2 (ja) *	2008-09-29	2011-02-09	ソニー株式会社	情報処理装置及び方法、表示装置、並びにプログラム
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
JP5530238B2 (ja) *	2010-04-15	2014-06-25	パイオニア株式会社	受信装置及び受信方法
WO2013035146A1 (ja)	2011-09-05	2013-03-14	三菱電機株式会社	受信装置および受信方法
JP6042239B2 (ja) *	2013-03-14	2016-12-14	富士通株式会社	データ信号補正回路、受信機、およびデータ信号補正方法
JP6118616B2 (ja) *	2013-03-29	2017-04-19	富士通株式会社	受信機および同期補正方法
CN104601509B (zh) *	2013-10-31	2018-04-27	富士通株式会社	多载波调制信号的定时同步装置及方法
US10420052B2 (en) *	2016-02-25	2019-09-17	Qualcomm Incorporated	Estimating frequency error with beacon transmissions
JP2018125714A (ja) *	2017-02-01	2018-08-09	日本電気株式会社	無線受信装置および無線受信方法
US10218549B1 (en)	2018-01-24	2019-02-26	National Instruments Corporation	Wireless radio receiver that performs adaptive phase tracking
US10218548B1 (en) *	2018-01-24	2019-02-26	National Instruments Corporation	Wireless radio receiver that performs adaptive phase tracking

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JPH1051418A (ja) *	1996-08-06	1998-02-20	Mitsubishi Electric Corp	ディジタル受信装置
JP2772286B2 (ja)	1996-08-30	1998-07-02	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信号復調装置
JP2000332727A (ja) *	1999-05-21	2000-11-30	Toshiba Corp	Ｏｆｄｍ受信装置
US7020074B1 (en) *	2000-04-03	2006-03-28	Nortel Networks Limited	Synchronization method and apparatus for frequency division multiplexed telecommunication systems
JP4465797B2 (ja)	2000-04-07	2010-05-19	ソニー株式会社	受信装置及び受信方法
JP2001308760A (ja) *	2000-04-27	2001-11-02	Nec Eng Ltd	受信装置
US6358173B1 (en) *	2000-06-12	2002-03-19	General Motors Corporation	Two-mode, compound-split, electro-mechanical vehicular transmission having significantly reduced vibrations
JP4460738B2 (ja)	2000-08-21	2010-05-12	株式会社ケンウッド	直交周波数分割多重信号受信装置及び直交周波数分割多重信号受信方法
JP2002261729A (ja)	2001-03-06	2002-09-13	Hitachi Ltd	Ｏｆｄｍ受信装置
JP2002300131A (ja) *	2001-03-30	2002-10-11	Hitachi Kokusai Electric Inc	直交周波数分割多重変調方式の受信信号の遅延プロファイルを解析する回路を有する装置
US20030063678A1 (en) *	2001-08-21	2003-04-03	Crawford James A.	OFDM pilot tone tracking to reduce performance loss due to frequency pulling and pushing
US6527659B1 (en) *	2001-09-24	2003-03-04	General Motors Corporation	Two-mode input-compound split electromechanical transmission for front wheel drive vehicles
US7139320B1 (en) *	2001-10-11	2006-11-21	Texas Instruments Incorporated	Method and apparatus for multicarrier channel estimation and synchronization using pilot sequences
KR100510861B1 (ko) *	2003-01-18	2005-08-31	디지피아(주)	직교 주파수 분할 다중 전송 시스템에서의 훈련 신호 결정방법 및 그 훈련 신호를 이용한 직교 주파수 분할 다중수신기와 수신 방법
US7474611B2 (en) *	2005-04-21	2009-01-06	Telefonaktiebolaget L M Ericsson (Publ)	Reduced complexity channel estimation in OFDM systems

2003
- 2003-12-19 EP EP03780921A patent/EP1624602B1/de not_active Expired - Lifetime
- 2003-12-19 WO PCT/JP2003/016298 patent/WO2004100413A1/ja not_active Ceased
- 2003-12-19 DE DE60321401T patent/DE60321401D1/de not_active Expired - Lifetime
- 2003-12-19 JP JP2004548359A patent/JP3654646B2/ja not_active Expired - Lifetime
- 2003-12-19 US US10/555,530 patent/US7580466B2/en not_active Expired - Fee Related
2004
- 2004-02-16 TW TW093103600A patent/TWI244281B/zh not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP1624602A1 (de)	2006-02-08
WO2004100413A1 (ja)	2004-11-18
US20070036231A1 (en)	2007-02-15
JPWO2004100413A1 (ja)	2006-07-13
TWI244281B (en)	2005-11-21
EP1624602B1 (de)	2008-05-28
TW200425667A (en)	2004-11-16
US7580466B2 (en)	2009-08-25
JP3654646B2 (ja)	2005-06-02
EP1624602A4 (de)	2007-08-08

Publication	Publication Date	Title
DE60321401D1 (de)	2008-07-10	Demodulationseinrichtung und demodulationsverfahren
NO20040640L (no)	2004-08-16	Anordning og fremgangsmate
EP1639630A4 (de)	2009-07-29	Poliervorrichtung und polierverfahren
DE602004029128D1 (de)	2010-10-28	Dokumentverarbeitungsverfahren und Gerät
DE602004030308D1 (de)	2011-01-13	HF-Messer und Endoskopiegerät
DE602004006981D1 (de)	2007-07-26	Datenabrufende und -übertragende vorrichtungen und verfahren
DE60331729D1 (de)	2010-04-29	Audiocodierungsverfahren und audiocodierungseinrichtung
DE602004002164D1 (de)	2006-10-12	Gassack und Gassackvorrichtung
DE602004006695D1 (de)	2007-07-12	Luftsack und Luftsackvorrichtung
DE60326702D1 (de)	2009-04-30	Polierverfahren und poliervorrichtung
DE602004023915D1 (de)	2009-12-17	Selbsterkennungsverfahren und -vorrichtung
DE602004017893D1 (de)	2009-01-02	Abriebtestvorrichtung und testverfahren
ATE546994T1 (de)	2012-03-15	Steuergerät und verfahren
DE602004012417D1 (de)	2008-04-24	Dekodierungsvorrichtung und dekodierungsverfahren
DE602005017952D1 (de)	2010-01-07	Kommunikationsvorrichtung und Kommunikationsverfahren
DE602004003076D1 (de)	2006-12-21	Wischersteuervorrichtung und Wischersteuerungsverfahren
DE60319728D1 (de)	2008-04-24	Aufzeichnungsverfahren und aufzeichnungsvorrichtung
DE602004016683D1 (de)	2008-10-30	Einrichtungssteuereinrichtung und einrichtungssteuerverfahren
DE60318988D1 (de)	2008-03-20	Modulationsgerät und -verfahren
NO20044848D0 (no)	2004-11-08	Anordning og fremgangsmate
EP1677205A4 (de)	2010-11-24	Endgeräte-authentifikationsvorrichtung und -verfahren
DE60326030D1 (de)	2009-03-19	Navigationsgerät und -verfahren
DE602004024995D1 (de)	2010-02-25	Parallelverarbeitungseinrichtung und parallelverarbeitungsverfahren
SE0303177L (sv)	2005-05-28	Undersökningsmetod och -anordning
FI20031330L (fi)	2005-03-18	Lajittelulaite ja -menetelmä

Legal Events

Date	Code	Title	Description
2009-06-18	8364	No opposition during term of opposition
2011-08-18	R084	Declaration of willingness to licence	Ref document number: 1624602 Country of ref document: EP Effective date: 20110627

Date

Code

Title

Description

2009-06-18

8364

No opposition during term of opposition

2011-08-18

R084

Declaration of willingness to licence

Ref document number: 1624602

Country of ref document: EP

Effective date: 20110627