DE60009677D1 - Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem - Google Patents

Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem

Info

Publication number
DE60009677D1
DE60009677D1 DE60009677T DE60009677T DE60009677D1 DE 60009677 D1 DE60009677 D1 DE 60009677D1 DE 60009677 T DE60009677 T DE 60009677T DE 60009677 T DE60009677 T DE 60009677T DE 60009677 D1 DE60009677 D1 DE 60009677D1
Authority
DE
Germany
Prior art keywords
frequency
estimate
frequency offset
received radio
radio signal
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
DE60009677T
Other languages
English (en)
Other versions
DE60009677T2 (de
Inventor
Andrew John Aftelak
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.)
Motorola Solutions UK Ltd
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
Publication of DE60009677D1 publication Critical patent/DE60009677D1/de
Application granted granted Critical
Publication of DE60009677T2 publication Critical patent/DE60009677T2/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
    • H04L27/18—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)
DE60009677T 1999-02-24 2000-02-24 Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem Expired - Lifetime DE60009677T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9904161 1999-02-24
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 (2)

Publication Number Publication Date
DE60009677D1 true DE60009677D1 (de) 2004-05-13
DE60009677T2 DE60009677T2 (de) 2004-08-19

Family

ID=10848350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60009677T Expired - Lifetime DE60009677T2 (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
GB2347285B (en) 2001-03-21
AU4103500A (en) 2000-09-14
WO2000051236A2 (en) 2000-08-31
GB9904161D0 (en) 1999-04-14
EP1157462A1 (de) 2001-11-28
DE60009677T2 (de) 2004-08-19
WO2000051236A3 (en) 2000-12-14
DK1157462T3 (da) 2004-08-02
ATE264021T1 (de) 2004-04-15
GB2347285A (en) 2000-08-30
EP1157462B1 (de) 2004-04-07

Similar Documents

Publication Publication Date Title
EP1453211A3 (de) Funkübertragungssystem, Funkstation und Funkübertragungsverfahren
AU5231990A (en) Synchronizing continuous bit stream oriented terminals in a communications network
AU3389295A (en) Method for tuning a summing network of a base station, and a bandpass filter
EE200000567A (et) Otsemuundusvastuvõtja moonutuste korrektsiooniskeem
DE60036482D1 (de) Vorrichtung zur doppler-korrektur in einem drahtlosen kommunikationssystem
GB2344949A (en) Apparatus and method for radio communication
CA2294915A1 (en) Method and arrangement for effective radio transmission of data
DE59803145D1 (de) Verfahren zum digitalen signieren einer nachricht
TW355892B (en) An apparatus and a method for a telecommunication system
AU6298999A (en) Synchronization method and apparatus employing partial sequence correlation
ATE264021T1 (de) Verfahren und vorrichtung zur frequenzsynchronisierung in einem digitalen nachrichtenübertragungssystem
AU7417600A (en) Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal
CA2255355A1 (en) A method and apparatus for interference avoidance in a wireless communication system
MX9701976A (es) Metodo y apara para la seleccion de un canal de radio.
GB2347286B (en) Frequency tracking loop and method of frequency tracking
EP0854657A3 (de) Überwachungsverfahren von Nachbarzellen und mobile Station
JP2004023350A (ja) 基地局及び通信方法及び通信プログラム及び通信プログラムを記録したコンピュータ読み取り可能な記録媒体
AU6463800A (en) Method for regulating a frequency offset in a base-station receiver of a data communications system
JP2002076961A (ja) 携帯通信装置
EP0873920A2 (de) Kommunikationssystem
ATE324713T1 (de) Synchronisationsverfahren zur informationsübertragung über stromversorgungsnetze
ATE189089T1 (de) Digitale telefonie mit in zeitschlitzen gesendeten kontrollnachrichten zur hf- frequenzzuteilung
JPH0433423A (ja) 無線電話装置
TW200614756A (en) Method to synchronize the timing frequency of mobile communication device with that of the mobile communication network system
CN1154019A (zh) 一种减少基带干扰的时分无线电台

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 1157462

Country of ref document: EP

Representative=s name: SCHUMACHER & WILLSAU PATENTANWALTSGESELLSCHAFT MBH