ATE478502T1 - Verfahren und vorrichtung zur schätzung eines trägerfrequenzoffsets - Google Patents

Verfahren und vorrichtung zur schätzung eines trägerfrequenzoffsets

Info

Publication number
ATE478502T1
ATE478502T1 AT07766751T AT07766751T ATE478502T1 AT E478502 T1 ATE478502 T1 AT E478502T1 AT 07766751 T AT07766751 T AT 07766751T AT 07766751 T AT07766751 T AT 07766751T AT E478502 T1 ATE478502 T1 AT E478502T1
Authority
AT
Austria
Prior art keywords
cfos
sync sequence
carrier frequency
frequency offset
sequence
Prior art date
Application number
AT07766751T
Other languages
English (en)
Inventor
Yan Li
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE478502T1 publication Critical patent/ATE478502T1/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
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • 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
    • H04L2027/0071—Control of loops
    • H04L2027/0073—Detection of synchronisation state
    • 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
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • General Induction Heating (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
AT07766751T 2006-06-20 2007-06-14 Verfahren und vorrichtung zur schätzung eines trägerfrequenzoffsets ATE478502T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610093822 2006-06-20
PCT/IB2007/052267 WO2007148267A1 (en) 2006-06-20 2007-06-14 Method and apparatus for estimating carrier frequency offset

Publications (1)

Publication Number Publication Date
ATE478502T1 true ATE478502T1 (de) 2010-09-15

Family

ID=38617368

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07766751T ATE478502T1 (de) 2006-06-20 2007-06-14 Verfahren und vorrichtung zur schätzung eines trägerfrequenzoffsets

Country Status (7)

Country Link
US (1) US8446938B2 (de)
EP (1) EP2039097B1 (de)
CN (1) CN101473618B (de)
AT (1) ATE478502T1 (de)
DE (1) DE602007008570D1 (de)
TW (1) TW200803389A (de)
WO (1) WO2007148267A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9344314B2 (en) * 2007-04-24 2016-05-17 Texas Instruments Incorporated Computer generated sequences for downlink and uplink signals in wireless communication systems
AU2009215558B2 (en) * 2008-02-19 2014-03-06 Elbit Systems Of America, Llc MIMO Slotted Aloha (MSA) system
CN101534270B (zh) * 2008-03-10 2013-04-24 卓胜微电子(上海)有限公司 基于信道估计的载波频偏估计和跟踪方法
WO2011032580A1 (en) * 2009-09-15 2011-03-24 Nokia Siemens Networks Oy Mobile communication device, network node and communication system for coordinated multipoint transmission comprising self-containment information of a channel-dependent attribute
CN102075475B (zh) * 2009-11-19 2013-04-24 卓胜微电子(上海)有限公司 定时偏差和采样频偏的联合跟踪方法
EP2507960B1 (de) * 2009-12-04 2018-06-06 Telefonaktiebolaget LM Ericsson (publ) Vorrichtung und verfahren zur kanalschätzung in einem drahtlosen kommunikationssystem
CN102347926B (zh) * 2011-09-26 2013-12-18 豪威科技(上海)有限公司 载波频率捕获方法及装置
CN102685875B (zh) * 2012-05-03 2015-07-15 京信通信系统(中国)有限公司 一种基站间定时同步调整的方法和设备
US8723553B1 (en) * 2013-02-22 2014-05-13 Qualcomm Incorporated Systems and methods for performing frequency offset estimation
CN104735011B (zh) * 2013-12-24 2019-01-29 江苏卓胜微电子股份有限公司 用于复杂信道环境下鲁棒估计采样频率偏差的装置及方法
US9219600B1 (en) * 2015-02-25 2015-12-22 L-3 Communications Corp. Synchronization through waveform correlation
US12041561B2 (en) 2021-04-07 2024-07-16 Nxp B.V. Method and technique of highly accurate carrier frequency offset estimation

Family Cites Families (20)

* 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
EP0105513B1 (de) * 1982-10-04 1990-01-03 Nec Corporation Verfahren zur Qualitätsmessung eines Empfangssignals eines Empfängers in einem zweidimensionalen linear modulierten Datenübertragungssystem
JP2643792B2 (ja) * 1993-09-14 1997-08-20 日本電気株式会社 復調装置
US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
US6097770A (en) * 1996-10-31 2000-08-01 Lucent Technologies Inc. Frequency offset estimation for wireless systems based on channel impulse response
JP3486576B2 (ja) * 1999-05-18 2004-01-13 シャープ株式会社 Ofdm受信装置及びその周波数オフセット補償方法
US6771699B1 (en) * 1999-05-22 2004-08-03 International Business Machines Corporation Method for rapid carrier-frequency offset acquisition using a periodic training sequence
WO2001086904A1 (en) 2000-05-05 2001-11-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus to estimate frequency offset in a receiver
JP3866908B2 (ja) 2000-07-31 2007-01-10 三菱電機株式会社 無線通信用受信装置
US7218691B1 (en) * 2001-03-05 2007-05-15 Marvell International Ltd. Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
US7257102B2 (en) 2002-04-02 2007-08-14 Broadcom Corporation Carrier frequency offset estimation from preamble symbols
US7269394B2 (en) * 2002-10-02 2007-09-11 Agere Systems Inc. Frequency offset compensation for communication systems
CN1317843C (zh) * 2003-01-23 2007-05-23 上海贝尔阿尔卡特股份有限公司 数字通信系统中载频同步方法和通信装置
US7315588B2 (en) * 2003-04-04 2008-01-01 Harris Corporation System and method for enhanced acquisition for large frequency offsets and poor signal to noise ratio
US7058378B2 (en) 2003-11-18 2006-06-06 Interdigital Technology Corporation Method and apparatus for automatic frequency correction of a local oscilator with an error signal derived from an angle value of the conjugate product and sum of block correlator outputs
CN100444526C (zh) * 2004-06-28 2008-12-17 中兴通讯股份有限公司 一种频偏校正的方法和装置
TWI248734B (en) * 2004-09-29 2006-02-01 Realtek Semiconductor Corp Band averaging circuit and related method for carrier offset estimation in a multi-band multi-carrier communication system
CN100486238C (zh) * 2005-03-21 2009-05-06 东南大学 基于可调时频训练序列的低复杂度频偏估计方法
JP2006352746A (ja) * 2005-06-20 2006-12-28 Fujitsu Ltd 直交周波数分割多重伝送用受信機
US8848837B2 (en) * 2006-10-19 2014-09-30 Intel Mobile Communications GmbH Statistical procedures for carrier frequency tracking

Also Published As

Publication number Publication date
CN101473618A (zh) 2009-07-01
TW200803389A (en) 2008-01-01
DE602007008570D1 (de) 2010-09-30
US20090274250A1 (en) 2009-11-05
CN101473618B (zh) 2012-12-05
WO2007148267A1 (en) 2007-12-27
US8446938B2 (en) 2013-05-21
EP2039097A1 (de) 2009-03-25
EP2039097B1 (de) 2010-08-18

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