ATE264021T1 - Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem - Google Patents

Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem

Info

Publication number
ATE264021T1
ATE264021T1 AT00920462T AT00920462T ATE264021T1 AT E264021 T1 ATE264021 T1 AT E264021T1 AT 00920462 T AT00920462 T AT 00920462T AT 00920462 T AT00920462 T AT 00920462T AT E264021 T1 ATE264021 T1 AT E264021T1
Authority
AT
Austria
Prior art keywords
frequency
estimate
frequency offset
received radio
radio signal
Prior art date
Application number
AT00920462T
Other languages
English (en)
Inventor
Andrew John Aftelak
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Application granted granted Critical
Publication of ATE264021T1 publication Critical patent/ATE264021T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • 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
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT00920462T 1999-02-24 2000-02-24 Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem ATE264021T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9904161A GB2347285B (en) 1999-02-24 1999-02-24 Method and apparatus for frequency synchronisation in a digital radio communications system
PCT/EP2000/001761 WO2000051236A2 (en) 1999-02-24 2000-02-24 Method and apparatus for frequency synchronisation in a digital radio communications system

Publications (1)

Publication Number Publication Date
ATE264021T1 true ATE264021T1 (de) 2004-04-15

Family

ID=10848350

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00920462T ATE264021T1 (de) 1999-02-24 2000-02-24 Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem

Country Status (7)

Country Link
EP (1) EP1157462B1 (de)
AT (1) ATE264021T1 (de)
AU (1) AU4103500A (de)
DE (1) DE60009677T2 (de)
DK (1) DK1157462T3 (de)
GB (1) GB2347285B (de)
WO (1) WO2000051236A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7155174B2 (en) * 2001-10-18 2006-12-26 Broadcom Corporation Method and apparatus for compensating for frequency offsets caused by a free-running oscillator
CN101959300B (zh) * 2010-04-02 2013-05-15 展讯通信（上海）有限公司 双模终端的自动频率控制方法及双模终端
US9020021B2 (en) 2013-07-29 2015-04-28 International Business Machines Corporation Precoding loss reduction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599732A (en) * 1984-04-17 1986-07-08 Harris Corporation Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format
US5343498A (en) * 1993-03-08 1994-08-30 General Electric Company Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers
GB2319935B (en) * 1996-11-29 2001-10-24 Daewoo Electronics Co Ltd Apparatus for correcting frequency offset in ofdm receiving system
JP3431785B2 (ja) * 1996-12-24 2003-07-28 シャープ株式会社 直交周波数多重変調信号復調装置

Also Published As

Publication number Publication date
GB9904161D0 (en) 1999-04-14
WO2000051236A3 (en) 2000-12-14
DE60009677D1 (de) 2004-05-13
DK1157462T3 (da) 2004-08-02
DE60009677T2 (de) 2004-08-19
EP1157462A1 (de) 2001-11-28
EP1157462B1 (de) 2004-04-07
GB2347285A (en) 2000-08-30
WO2000051236A2 (en) 2000-08-31
GB2347285B (en) 2001-03-21
AU4103500A (en) 2000-09-14

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties