ATE304772T1 - Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen - Google Patents

Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen

Info

Publication number
ATE304772T1
ATE304772T1 AT00993675T AT00993675T ATE304772T1 AT E304772 T1 ATE304772 T1 AT E304772T1 AT 00993675 T AT00993675 T AT 00993675T AT 00993675 T AT00993675 T AT 00993675T AT E304772 T1 ATE304772 T1 AT E304772T1
Authority
AT
Austria
Prior art keywords
frequency
synchronization signals
frequency offset
estimating
offset
Prior art date
Application number
AT00993675T
Other languages
English (en)
Inventor
Roozbeh Atarius
Rajaram Ramesh
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 filed Critical
Application granted granted Critical
Publication of ATE304772T1 publication Critical patent/ATE304772T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0097—Adaptive synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT00993675T 1999-12-28 2000-12-15 Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen ATE304772T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/473,927 US6606363B1 (en) 1999-12-28 1999-12-28 Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols
PCT/EP2000/012772 WO2001049000A1 (en) 1999-12-28 2000-12-15 Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols

Publications (1)

Publication Number Publication Date
ATE304772T1 true ATE304772T1 (de) 2005-09-15

Family

ID=23881577

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00993675T ATE304772T1 (de) 1999-12-28 2000-12-15 Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen

Country Status (8)

Country Link
US (1) US6606363B1 (de)
EP (1) EP1243113B1 (de)
CN (1) CN1181657C (de)
AT (1) ATE304772T1 (de)
AU (1) AU2842301A (de)
DE (1) DE60022680D1 (de)
MY (1) MY124731A (de)
WO (1) WO2001049000A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3445186B2 (ja) * 1999-07-08 2003-09-08 松下電器産業株式会社 Ｃｄｍａ受信機
US7233627B2 (en) * 2000-02-23 2007-06-19 Ipr Licensing, Inc. Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
CN1350729A (zh) * 2000-03-31 2002-05-22 三菱电机株式会社 频率自动控制方法和装置以及解调装置
GB2375272B (en) * 2001-04-30 2003-11-19 Lucent Technologies Inc A frequency estimator for use in a receiver of packetised data, the receiver and a method of reception
US7092459B2 (en) * 2001-11-08 2006-08-15 Qualcomm, Incorporated Frequency tracking using pilot and non-pilot symbols
ATE288650T1 (de) * 2001-11-16 2005-02-15 Com Res Gmbh Solutions For Com Verfahren und system zur frequenzoffsetschätzung für trägermodulierte digitale kommunikationssysteme
US8331492B2 (en) * 2002-07-04 2012-12-11 Intel Mobile Communications GmbH Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station
US7203254B2 (en) * 2003-03-25 2007-04-10 Motorola, Inc. Method and system for synchronizing in a frequency shift keying receiver
US6885577B2 (en) * 2003-06-18 2005-04-26 Taiwan Semiconductor Manufacturing Company, Ltd. Magnetic RAM cell device and array architecture
JP4259239B2 (ja) 2003-09-10 2009-04-30 日本電気株式会社 同期判定回路
CN1856945B (zh) * 2003-09-23 2012-04-11 卡莱汉系乐有限公司 接收机的初始同步装置和方法
CN100392993C (zh) * 2004-04-23 2008-06-04 中国科学院声学研究所 通信信号的反多普勒频移方法
WO2006067680A1 (en) * 2004-12-24 2006-06-29 Koninklijke Philips Electronics N.V. Method and apparatus for estimating doppler spread
US7555074B2 (en) * 2005-02-01 2009-06-30 Telefonaktiebolaget L M Ericsson (Publ) Interference estimation in the presence of frequency errors
US20060280113A1 (en) * 2005-06-10 2006-12-14 Huo David D Method and apparatus for dynamic allocation of pilot symbols
WO2007003715A1 (en) * 2005-07-04 2007-01-11 Nokia Corporation Speed detection method in communication system, receiver, network element and processor
JP2009065581A (ja) * 2007-09-10 2009-03-26 Nec Corp 無線通信システム及び方法
FR2994367B1 (fr) 2012-08-03 2016-07-15 Thales Sa Procede et systeme de synchronisation
US9071327B2 (en) * 2012-11-27 2015-06-30 Gilat Satellite Networks Ltd. Efficient frequency estimation
CN103747517B (zh) * 2014-01-23 2018-06-08 北京华力创通科技股份有限公司 频率同步方法及装置
US9525477B1 (en) * 2015-09-24 2016-12-20 Qualcomm Incorporated Frequency tracking with sparse pilots
CN113055995B (zh) * 2019-12-26 2023-10-27 中兴通讯股份有限公司 频偏估计方法和装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2525055A1 (fr) 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
FR2633471B1 (fr) 1988-06-28 1990-10-05 Trt Telecom Radio Electr Procede de demodulation coherente d'un signal module numeriquement en phase continue et a enveloppe constante
US4962507A (en) 1989-09-29 1990-10-09 Hughes Aircraft Company Feed forward spread spectrum signal processor
DE69634845T2 (de) 1995-01-05 2006-05-18 Ntt Docomo Inc. Vorrichtung und verfahren zur kohärenten verfolgung eines signals zur verwendung in einem cdma empfänger
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5680395A (en) 1995-08-15 1997-10-21 Qualcomm Incorporated Method and apparatus for time division duplex pilot signal generation
US5809020A (en) 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
US5737327A (en) 1996-03-29 1998-04-07 Motorola, Inc. Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
US5870378A (en) 1996-08-20 1999-02-09 Lucent Technologies Inc. Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
US6097770A (en) * 1996-10-31 2000-08-01 Lucent Technologies Inc. Frequency offset estimation for wireless systems based on channel impulse response
US6002709A (en) 1996-11-21 1999-12-14 Dsp Group, Inc. Verification of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6032033A (en) * 1996-12-03 2000-02-29 Nortel Networks Corporation Preamble based selection diversity in a time division multiple access radio system using digital demodulation
JPH10224420A (ja) 1997-02-05 1998-08-21 Toshiba Corp デジタル復調装置のａｆｃ回路
JP3466422B2 (ja) 1997-05-28 2003-11-10 株式会社ケンウッド 受信装置
JP3335887B2 (ja) * 1997-08-20 2002-10-21 松下電器産業株式会社 スペクトル拡散復調装置及びスペクトル拡散復調方法
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction

Also Published As

Publication number Publication date
EP1243113B1 (de) 2005-09-14
MY124731A (en) 2006-06-30
AU2842301A (en) 2001-07-09
CN1415155A (zh) 2003-04-30
WO2001049000A1 (en) 2001-07-05
EP1243113A1 (de) 2002-09-25
DE60022680D1 (de) 2005-10-20
US6606363B1 (en) 2003-08-12
CN1181657C (zh) 2004-12-22

Similar Documents

Publication Publication Date Title
ATE304772T1 (de) Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen
AU2003268002A8 (en) Frequency domain equalization of communication signals
ATE223122T1 (de) Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
DE60022750D1 (de) Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem
DE602004026754D1 (de) Verfahren und Vorrichtung zur Signaldemodulation
AU2001260851A1 (en) Time of arrival estimation for edge/gsm
ATE244471T1 (de) Verfahren zur schätzung der signal-und rauschqualität und empfänger
RU2009111226A (ru) Способ и устройство для передачи сетевых идентификаторов в системе связи
DE60238392D1 (de) Verfahren und vorrichtung zur schätzung der dopplerspreizung
DE602007003732D1 (de) Detektion einer hochgeschwindigkeitsbewegung in einem telekommunikationssystem
DE602004030241D1 (de) Verfahren und vorrichtung zur verarbeitung von satellitensignalen ohne tageszeitinformationen
DE69419918D1 (de) Verfahren und einrichtung zur bestimmung der brauchbarkeit eines signals
TW200926703A (en) Methods and apparatus for identifying a preamble sequence and for estimating an integer carrier frequency offset
DE69926869D1 (de) Verfahren und einrichtung zur detektion eines frequenzsynchronisierungssignales
DE69728143D1 (de) Verfahren zur schätzung der impulsantwort und empfänger
ATE291297T1 (de) Verfahren und empfänger zur erkennung einer verbindungsherstelllung für datenpakete
WO2007114963A3 (en) Methods and apparatus for noise estimation in a communication system
DE60329321D1 (de) Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale
ATE484137T1 (de) Mehrbenutzerdetektion für drahtlose übertragungssysteme in gegenwart von inteferenz
EP1152546A3 (de) Erfassungssystem für Speizspektrumsignale
DE69825717D1 (de) Verfahren zur unterdrückung der interferenz in einem ofdm-funkempfänger
WO2004102813A3 (en) Estimation of multipath channel with sub-chip resolution
AU2002343124A1 (en) Simultaneous estimation of channel impulse response and of dc offset
DE60307469D1 (de) Verfahren und vorrichtung zur gleichzeitigen schätzung des frequenzversatzes und modulationsindex
DE60023260D1 (de) Verfahren und empfänger zur wahl eines modulationsdetektor in einem empfänger

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties