DE60316851D1 - Schnellerer fein-timing-betrieb in einem mehrträgersystem - Google Patents

Schnellerer fein-timing-betrieb in einem mehrträgersystem

Info

Publication number
DE60316851D1
DE60316851D1 DE60316851T DE60316851T DE60316851D1 DE 60316851 D1 DE60316851 D1 DE 60316851D1 DE 60316851 T DE60316851 T DE 60316851T DE 60316851 T DE60316851 T DE 60316851T DE 60316851 D1 DE60316851 D1 DE 60316851D1
Authority
DE
Germany
Prior art keywords
timing operation
tray system
energy
signal
faster
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.)
Expired - Lifetime
Application number
DE60316851T
Other languages
English (en)
Other versions
DE60316851T2 (de
Inventor
Arto Palin
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60316851D1 publication Critical patent/DE60316851D1/de
Publication of DE60316851T2 publication Critical patent/DE60316851T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Intermediate Stations On Conveyors (AREA)
DE60316851T 2003-06-30 2003-06-30 Schnellerer fein-timing-betrieb in einem mehrträgersystem Expired - Lifetime DE60316851T2 (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 (2)

Publication Number Publication Date
DE60316851D1 true DE60316851D1 (de) 2007-11-22
DE60316851T2 DE60316851T2 (de) 2008-01-31

Family

ID=33547879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60316851T Expired - Lifetime DE60316851T2 (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
US20100157833A1 (en) * 2005-03-10 2010-06-24 Qualcomm Incorporated Methods and systems for improved timing acquisition for varying channel conditions
US8144824B2 (en) 2005-03-10 2012-03-27 Qualcomm Incorporated Trend influenced time tracking
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
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
EP2039094B1 (de) * 2006-07-12 2012-06-27 France Telecom Verfahren zum Senden und Empfangen eines Mehrträgersignals mit isolierten Piloten sowie entsprechende Geräte und Computerprogramme
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
RU2425460C2 (ru) * 2006-10-26 2011-07-27 Квэлкомм Инкорпорейтед Способ и устройство для оценки символьной синхронизации в системе беспроводной связи
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
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
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
WO2009057040A1 (en) * 2007-11-01 2009-05-07 Nxp B.V. A method to discriminate a real echo peak from an aliased echo peak
WO2009122727A1 (ja) * 2008-03-31 2009-10-08 パナソニック株式会社 受信装置、受信方法、受信プログラム、集積回路及びデジタルテレビ
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
KR100457987B1 (ko) * 1995-08-16 2005-01-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 심볼처리가향상된전송시스템및수신기
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
GB2369015A (en) * 2000-11-09 2002-05-15 Sony Uk Ltd Receiver that uses guard signals to estimate synchronisation position
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
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
ATE375667T1 (de) 2007-10-15
DE60316851T2 (de) 2008-01-31
US20070053473A1 (en) 2007-03-08
AU2003238128A1 (en) 2005-01-13
CN1802832A (zh) 2006-07-12
WO2005002164A1 (en) 2005-01-06
EP1639775A1 (de) 2006-03-29
EP1639775B1 (de) 2007-10-10
US7577087B2 (en) 2009-08-18
CN1802832B (zh) 2010-12-01

Similar Documents

Publication Publication Date Title
DE60316851D1 (de) Schnellerer fein-timing-betrieb in einem mehrträgersystem
Ziemer et al. Principles of communications: system modulation and noise
UA86752C2 (ru) Выявление и демодуляция данных в системах беспроводной связи
CN102546061B (zh) 基于小波变换的自适应时频空穴检测方法
TW200742463A (en) Method and apparatus for creating a fingerprint for a wireless network
DE60133015D1 (de) Zyklische verzögerungsdiversität zur verringerung der intersymbolinterferenz in ofdm-systemen
ATE393527T1 (de) Vorrichtung und verfahren zur verringerung des verhältnisses von spitzen zur durchschnittsleistung in mehrträgerkommunikationssystemen
ATE305198T1 (de) Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem
ATE524908T1 (de) Kommunikationsempfänger mit einer veränderlichen entzerrerlänge
ATE354211T1 (de) Verbesserte kugeldekodierung von in einem telekommunikationssystem gesendeten symbolen
WO2008057584A3 (en) Preamble detection and synchronization in ofdma wireless communication systems
WO2002015502A3 (en) Adaptive linear equalisation for walsh-modulated
WO2007021796A3 (en) Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems
MY133937A (en) Method of detecting a squence of information symbols, and a mobile station adapted to performing the method
WO2006124810A3 (en) Pilot transmission and channel estimation with pilot weighting
WO2007022362A3 (en) Frame synchronization
TW200713875A (en) Transmission/reception apparatus and transmission/reception method for enabling coexistence of systems
DE60332170D1 (de) Verbesserung der leistungen eines empfängers in interferenz-bedingungen
MXPA05011433A (es) Ecualizador.
TW200501656A (en) Data detection and demodulation for wireless communication systems
CN101594166B (zh) 短距离无线网络中消除信号中干扰的方法和装置
WO2005053277A3 (en) Method and apparatus for adaptive echo and noise control
WO2007038531A3 (en) System, method and device of interference mitigation in wireless communication
WO2008145337A3 (en) A method for interference estimation for orthogonal pilot patterns
WO2009120725A3 (en) Systems and methods for canceling interference in a communication system

Legal Events

Date Code Title Description
8364 No opposition during term of opposition