ATE477655T1 - Verfahren und vorrichtung zur adaptiven frequenzfehlerschätzung - Google Patents

Verfahren und vorrichtung zur adaptiven frequenzfehlerschätzung

Info

Publication number
ATE477655T1
ATE477655T1 AT07822391T AT07822391T ATE477655T1 AT E477655 T1 ATE477655 T1 AT E477655T1 AT 07822391 T AT07822391 T AT 07822391T AT 07822391 T AT07822391 T AT 07822391T AT E477655 T1 ATE477655 T1 AT E477655T1
Authority
AT
Austria
Prior art keywords
frequency error
error estimation
time
adaptive frequency
algorithm
Prior art date
Application number
AT07822391T
Other languages
English (en)
Inventor
Bengt Lindoff
Bo Bernhardsson
Johan Nilsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE477655T1 publication Critical patent/ATE477655T1/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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0093—Neighbour cell search
    • 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
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT07822391T 2006-12-22 2007-11-08 Verfahren und vorrichtung zur adaptiven frequenzfehlerschätzung ATE477655T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/615,877 US20080151980A1 (en) 2006-12-22 2006-12-22 Method of and apparatus for adaptive frequency error estimation
PCT/EP2007/062089 WO2008077679A1 (en) 2006-12-22 2007-11-08 Method of and apparatus for adaptive frequency error estimation

Publications (1)

Publication Number Publication Date
ATE477655T1 true ATE477655T1 (de) 2010-08-15

Family

ID=38371748

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07822391T ATE477655T1 (de) 2006-12-22 2007-11-08 Verfahren und vorrichtung zur adaptiven frequenzfehlerschätzung

Country Status (7)

Country Link
US (1) US20080151980A1 (de)
EP (1) EP2095588B1 (de)
AT (1) ATE477655T1 (de)
DE (1) DE602007008465D1 (de)
ES (1) ES2349083T3 (de)
TW (1) TW200840284A (de)
WO (1) WO2008077679A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8270502B2 (en) * 2007-12-14 2012-09-18 Agere Systems Inc. Timing-frequency offset and carrier-frequency offset estimations for multi-carrier modulated signals using pilot tones
US8571160B2 (en) * 2008-03-17 2013-10-29 Nokia Corporation Frequency estimation
US7991378B2 (en) * 2008-04-14 2011-08-02 Telefonaktiebolaget Lm Ericsson (Publ) Time-error and frequency-error correction in a multi-carrier wireless communications system
US8442154B2 (en) 2009-04-23 2013-05-14 Maxlinear, Inc. Channel sensitive power control
ES2452170T3 (es) * 2009-05-14 2014-03-31 Koninklijke Philips N.V. Detección robusta de transmisiones de DVD-T/H
TWI455624B (zh) * 2012-09-07 2014-10-01 Mstar Semiconductor Inc 頻率誤差的估測方法
EP2720426B1 (de) * 2012-10-09 2019-09-11 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung zur Korrektur einer Frequenzverschiebung bei empfangenen Symbolen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7443826B1 (en) * 2000-10-04 2008-10-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for automatic frequency control in a CDMA receiver
GB2369275B (en) * 2000-11-21 2004-07-07 Ubinetics Ltd A rake receiver and a method of providing a frequency error estimate
CA2471991A1 (en) * 2002-01-21 2003-07-31 Siemens Mobile Communications S.P.A. Method and mobile station to perform the initial cell search in time slotted systems
JP4338532B2 (ja) * 2003-02-21 2009-10-07 富士通株式会社 通信装置
US7912162B2 (en) * 2003-09-23 2011-03-22 Nxp B.V. Initial synchronization for receivers
KR100630043B1 (ko) * 2003-11-06 2006-09-27 삼성전자주식회사 이동통신시스템의 수신단에서의 주파수 오차 추정 및 결합기
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
JP4699843B2 (ja) * 2005-09-15 2011-06-15 富士通株式会社 移動通信システム、並びに移動通信システムにおいて使用される基地局装置および移動局装置
US7656850B2 (en) * 2005-10-11 2010-02-02 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for accelerated super 3G cell search
JP4976420B2 (ja) * 2006-01-18 2012-07-18 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 通信システム内の同期及び情報送信を改善する方法
US7916710B2 (en) * 2006-11-02 2011-03-29 Nokia Corporation Method, device, system and software product for alternative time division duplex frame structure optimization

Also Published As

Publication number Publication date
DE602007008465D1 (de) 2010-09-23
EP2095588B1 (de) 2010-08-11
TW200840284A (en) 2008-10-01
WO2008077679A1 (en) 2008-07-03
ES2349083T3 (es) 2010-12-27
EP2095588A1 (de) 2009-09-02
US20080151980A1 (en) 2008-06-26

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