ATE375667T1 - Schnellerer fein-timing-betrieb in einem mehrträgersystem - Google Patents

Schnellerer fein-timing-betrieb in einem mehrträgersystem

Info

Publication number
ATE375667T1
ATE375667T1 AT03735745T AT03735745T ATE375667T1 AT E375667 T1 ATE375667 T1 AT E375667T1 AT 03735745 T AT03735745 T AT 03735745T AT 03735745 T AT03735745 T AT 03735745T AT E375667 T1 ATE375667 T1 AT E375667T1
Authority
AT
Austria
Prior art keywords
carrier system
timing operation
fine timing
multi carrier
energy
Prior art date
Application number
AT03735745T
Other languages
English (en)
Inventor
Arto Palin
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE375667T1 publication Critical patent/ATE375667T1/de

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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • 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
    • 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
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT03735745T 2003-06-30 2003-06-30 Schnellerer fein-timing-betrieb in einem mehrträgersystem ATE375667T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2003/000529 WO2005002164A1 (en) 2003-06-30 2003-06-30 Faster fine timing operation in multi-carrier system

Publications (1)

Publication Number Publication Date
ATE375667T1 true ATE375667T1 (de) 2007-10-15

Family

ID=33547879

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03735745T ATE375667T1 (de) 2003-06-30 2003-06-30 Schnellerer fein-timing-betrieb in einem mehrträgersystem

Country Status (7)

Country Link
US (1) US7577087B2 (de)
EP (1) EP1639775B1 (de)
CN (1) CN1802832B (de)
AT (1) ATE375667T1 (de)
AU (1) AU2003238128A1 (de)
DE (1) DE60316851T2 (de)
WO (1) WO2005002164A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7619964B2 (en) * 2004-07-08 2009-11-17 Nokia Corporation High doppler channel estimation for OFD multiple antenna systems
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
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
US20060221810A1 (en) * 2005-03-10 2006-10-05 Bojan Vrcelj Fine timing acquisition
US8175123B2 (en) 2005-03-10 2012-05-08 Qualcomm Incorporated Collection window positioning using time tracking information
US20100157833A1 (en) * 2005-03-10 2010-06-24 Qualcomm Incorporated Methods and systems for improved timing acquisition for varying channel conditions
US7609773B2 (en) * 2005-04-18 2009-10-27 Qualcomm Incorporated Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator
US20080247476A1 (en) 2005-07-20 2008-10-09 Nxp B.V. Method and Synchronizer for Fine Ofdm Symbol Synchronization and Method/Receiver for the Reception of Ofdm Symbols
US8228950B2 (en) * 2005-09-18 2012-07-24 Alvarion Ltd. Method and device for handling ranging signals in a wireless communications network
US7623607B2 (en) 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
US8948329B2 (en) * 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
KR100872043B1 (ko) * 2005-12-29 2008-12-05 삼성전자주식회사 광대역 무선접속 통신시스템에서 파일럿 패턴 결정 장치 및방법
JP4904929B2 (ja) * 2006-05-31 2012-03-28 富士通セミコンダクター株式会社 Ｏｆｄｍ受信機、妨害波判別方法、窓制御装置、及び窓制御方法
WO2008007020A2 (fr) * 2006-07-12 2008-01-17 France Telecom Procedes d'emission et de reception d'un signal multiporteuse comprenant des pilotes isoles, dispositifs et produits programme d'ordinateur correspondants
KR100752670B1 (ko) * 2006-08-25 2007-08-29 삼성전자주식회사 순방향 에러 정정 디코더의 출력을 이용하여 심볼 값을추정하는 ｏｆｄｍ 시스템, 심볼 추정 장치 및 캐리어사이의 간섭 제거 방법
US8711038B2 (en) * 2006-10-05 2014-04-29 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry, Through The Communications Research Centre Canada High-resolution ranging and location finding using multicarrier signals
JP5237293B2 (ja) * 2006-10-26 2013-07-17 クゥアルコム・インコーポレイテッド 無線通信システムにおけるシンボルタイミング推定のための方法および装置
US7769094B2 (en) 2006-11-10 2010-08-03 Telefonaktiebolaget L M Ericsson (Publ) Arrangement and method for reducing the impact of interfering signals in a communication system
EP2122956A1 (de) 2007-02-09 2009-11-25 Nxp B.V. Verfahren zur synchronisation von mehrträgersystemen und mehrträgersysteme
US7894331B2 (en) * 2007-09-05 2011-02-22 Newport Media, Inc. Adaptive time-domain interpolation for OFDM scattered pilot symbols
JP5098553B2 (ja) * 2007-10-10 2012-12-12 富士通セミコンダクター株式会社 Ｏｆｄｍ受信装置およびｏｆｄｍ受信方法
JP4412387B2 (ja) * 2007-10-30 2010-02-10 ソニー株式会社 受信装置、受信方法、およびプログラム
JP2009111749A (ja) * 2007-10-30 2009-05-21 Sony Corp 受信装置、受信方法、およびプログラム
WO2009057040A1 (en) 2007-11-01 2009-05-07 Nxp B.V. A method to discriminate a real echo peak from an aliased echo peak
EP3675396B1 (de) * 2008-03-31 2021-07-28 Panasonic Intellectual Property Management Co., Ltd. Empfänger, empfangsverfahren, empfangsprogramm, integrierte schaltung und digitales fernsehen
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
KR100973477B1 (ko) 2008-10-22 2010-08-03 주식회사 텔레칩스 Ｏｆｄｍ 시스템에서 미세 타이밍 동기 추정 장치 및 방법
US8396180B2 (en) * 2008-12-18 2013-03-12 Kawasaki Microelectronics America Inc. High jitter tolerant phase comparator
JP5347720B2 (ja) * 2009-05-29 2013-11-20 富士通セミコンダクター株式会社 復調回路、復調方法、及び受信システム
US20110158342A1 (en) * 2009-06-30 2011-06-30 Qualcomm Incorporated Time tracking for a communication system utilizing a cyclic prefix
US8416733B2 (en) * 2009-06-30 2013-04-09 Qualcomm Incorporated Time tracking loops for a communication system utilizing a cyclic prefix
KR101070483B1 (ko) 2009-09-24 2011-10-05 세종대학교산학협력단 Ｍｂ－ｏｆｄｍ 시스템의 주파수 오차 추정 방법 및 그 장치
KR100976856B1 (ko) 2010-04-30 2010-08-20 삼성탈레스 주식회사 Ｏｆｄｍ 시스템의 하향링크 미세 시간 동기 추정 장치 및 방법
KR20130006935A (ko) 2011-06-27 2013-01-18 삼성전자주식회사 수신기 및 이의 동작 방법
US8718210B2 (en) * 2011-09-20 2014-05-06 Qualcomm Incorporated Channel impulse response estimation for wireless receiver

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2202752A1 (en) * 1995-08-16 1997-02-27 Norbert Jeanne Louis Philips Transmission system with improved symbol processing
JP3479418B2 (ja) * 1996-10-18 2003-12-15 アルパイン株式会社 デジタルオーディオ放送における受信装置
KR100234329B1 (ko) * 1997-09-30 1999-12-15 윤종용 Ofdm 시스템 수신기의 fft 윈도우 위치 복원장치 및 그 방법_
FI106592B (fi) * 1998-05-07 2001-02-28 Nokia Multimedia Network Termi Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä
GB2365714A (en) 2000-03-15 2002-02-20 Conexant Digital Infotainment Minimising effects of inter-symbol interference in receiver
JP4337228B2 (ja) * 2000-04-13 2009-09-30 ソニー株式会社 Ｏｆｄｍ受信装置及び方法
JP4356203B2 (ja) * 2000-07-11 2009-11-04 ソニー株式会社 復調装置及び復調方法
KR100358120B1 (ko) * 2000-10-20 2002-10-25 한국전자통신연구원 동일대역 인접채널 방식의 디지털 오디오 방송 전송 시스템
GB2369016B (en) * 2000-11-09 2004-06-09 Sony Uk Ltd Receiver
GB2369015A (en) * 2000-11-09 2002-05-15 Sony Uk Ltd Receiver that uses guard signals to estimate synchronisation position
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
US7327800B2 (en) * 2002-05-24 2008-02-05 Vecima Networks Inc. System and method for data detection in wireless communication systems
GB2412552A (en) * 2004-03-26 2005-09-28 Sony Uk Ltd Receiver
US7609773B2 (en) * 2005-04-18 2009-10-27 Qualcomm Incorporated Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator
US8315191B2 (en) * 2005-09-20 2012-11-20 Qualcomm Incorporated Timing acquisition and mode and guard detection for an OFDM transmission
KR20070061215A (ko) * 2005-12-08 2007-06-13 한국전자통신연구원 다중 반송파를 이용한 광대역 무선 채널 측정 장치의송수신 장치
US7684313B2 (en) * 2007-03-30 2010-03-23 Zoran Corporation System and method for FFT window timing synchronization for an orthogonal frequency-division multiplexed data stream

Also Published As

Publication number Publication date
EP1639775A1 (de) 2006-03-29
US7577087B2 (en) 2009-08-18
CN1802832A (zh) 2006-07-12
EP1639775B1 (de) 2007-10-10
DE60316851T2 (de) 2008-01-31
US20070053473A1 (en) 2007-03-08
AU2003238128A1 (en) 2005-01-13
WO2005002164A1 (en) 2005-01-06
CN1802832B (zh) 2010-12-01
DE60316851D1 (de) 2007-11-22

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