DE69831097D1 - Verfahren zur abschätzung des frequenzfehlers - Google Patents

Verfahren zur abschätzung des frequenzfehlers

Info

Publication number
DE69831097D1
DE69831097D1 DE69831097T DE69831097T DE69831097D1 DE 69831097 D1 DE69831097 D1 DE 69831097D1 DE 69831097 T DE69831097 T DE 69831097T DE 69831097 T DE69831097 T DE 69831097T DE 69831097 D1 DE69831097 D1 DE 69831097D1
Authority
DE
Germany
Prior art keywords
assessment
frequency error
error
frequency
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
DE69831097T
Other languages
English (en)
Other versions
DE69831097T2 (de
Inventor
Mikko Huttunen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE69831097D1 publication Critical patent/DE69831097D1/de
Application granted granted Critical
Publication of DE69831097T2 publication Critical patent/DE69831097T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/091—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector using a sampling device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE69831097T 1997-12-22 1998-12-21 Verfahren zur abschätzung des frequenzfehlers Expired - Lifetime DE69831097T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI974598A FI105629B (fi) 1997-12-22 1997-12-22 Menetelmä taajuusvirheen estimointiin
FI974598 1997-12-22
PCT/FI1998/001008 WO1999033217A2 (en) 1997-12-22 1998-12-21 Method for frequency error estimation

Publications (2)

Publication Number Publication Date
DE69831097D1 true DE69831097D1 (de) 2005-09-08
DE69831097T2 DE69831097T2 (de) 2006-04-06

Family

ID=8550197

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69831097T Expired - Lifetime DE69831097T2 (de) 1997-12-22 1998-12-21 Verfahren zur abschätzung des frequenzfehlers

Country Status (6)

Country Link
US (1) US6771718B1 (de)
EP (1) EP1042876B1 (de)
AU (1) AU1761599A (de)
DE (1) DE69831097T2 (de)
FI (1) FI105629B (de)
WO (1) WO1999033217A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2363253C (en) * 2000-11-07 2007-01-09 Research In Motion Limited Communication channel detector and channel detection method
US7269394B2 (en) * 2002-10-02 2007-09-11 Agere Systems Inc. Frequency offset compensation for communication systems
DE102004023889A1 (de) * 2004-05-12 2005-12-08 Micronas Gmbh Verfahren und Schaltungsanordnung zum Bestimmen der Frequenz eines empfangenen Signals zum Demodulieren von empfangenen Symbolen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5883921A (en) * 1995-07-31 1999-03-16 Harris Corporation Short burst acquisition circuit and method for direct sequence spread spectrum links
FI102338B1 (fi) 1996-05-21 1998-11-13 Nokia Mobile Phones Ltd Vastaanottimen tahdistuminen joutotilassa
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
IL120210A (en) * 1997-02-13 1999-12-31 Dspc Tech Ltd Synchronization system and method for digital communication systems
US6104767A (en) * 1997-11-17 2000-08-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for estimating a frequency offset

Also Published As

Publication number Publication date
EP1042876B1 (de) 2005-08-03
FI105629B (fi) 2000-09-15
EP1042876A2 (de) 2000-10-11
FI974598A0 (fi) 1997-12-22
AU1761599A (en) 1999-07-12
WO1999033217A2 (en) 1999-07-01
WO1999033217A3 (en) 1999-09-10
FI974598A (fi) 1999-06-23
US6771718B1 (en) 2004-08-03
DE69831097T2 (de) 2006-04-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition