DK1466454T3 - Fremgangsmåde og arrangement til automatisk frekvenskorrektion - Google Patents

Fremgangsmåde og arrangement til automatisk frekvenskorrektion

Info

Publication number
DK1466454T3
DK1466454T3 DK02755370T DK02755370T DK1466454T3 DK 1466454 T3 DK1466454 T3 DK 1466454T3 DK 02755370 T DK02755370 T DK 02755370T DK 02755370 T DK02755370 T DK 02755370T DK 1466454 T3 DK1466454 T3 DK 1466454T3
Authority
DK
Denmark
Prior art keywords
frequency
estimate
signal
frequency correction
producing
Prior art date
Application number
DK02755370T
Other languages
Danish (da)
English (en)
Inventor
Robert Armstrong
Alan Edward Jones
Paul Howard
Original Assignee
Ipwireless Inc
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 Ipwireless Inc filed Critical Ipwireless Inc
Application granted granted Critical
Publication of DK1466454T3 publication Critical patent/DK1466454T3/da

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
    • H04L2027/0028—Correction of carrier offset at passband 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
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Temperature-Responsive Valves (AREA)
DK02755370T 2001-09-13 2002-09-13 Fremgangsmåde og arrangement til automatisk frekvenskorrektion DK1466454T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0122090A GB2379840A (en) 2001-09-13 2001-09-13 Automatic frequency correction
PCT/GB2002/004193 WO2003024045A1 (fr) 2001-09-13 2002-09-13 Procede et arrangement pour correction de frequence automatique

Publications (1)

Publication Number Publication Date
DK1466454T3 true DK1466454T3 (da) 2009-04-06

Family

ID=9921994

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02755370T DK1466454T3 (da) 2001-09-13 2002-09-13 Fremgangsmåde og arrangement til automatisk frekvenskorrektion

Country Status (9)

Country Link
US (1) US7266093B2 (fr)
EP (2) EP1466454B1 (fr)
AT (2) ATE507640T1 (fr)
DE (2) DE60230189D1 (fr)
DK (1) DK1466454T3 (fr)
ES (2) ES2363892T3 (fr)
GB (1) GB2379840A (fr)
PT (1) PT1466454E (fr)
WO (1) WO2003024045A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379840A (en) * 2001-09-13 2003-03-19 Ipwireless Inc Automatic frequency correction
US7356098B2 (en) * 2001-11-14 2008-04-08 Ipwireless, Inc. Method, communication system and communication unit for synchronisation for multi-rate communication
US8270540B2 (en) * 2008-09-30 2012-09-18 Qualcomm Incorporated Access code detection and DC offset-interference correction
US8380151B2 (en) 2009-12-18 2013-02-19 Broadcom Corporation Method and system for reducing the complexity of multi-frequency hypothesis testing using an iterative approach
US8462647B2 (en) * 2009-07-28 2013-06-11 Broadcom Corporation Method and system for multiple frequency hypothesis testing with full synch acquisition in an E-UTRA/LTE UE receiver
US8401123B2 (en) * 2009-07-28 2013-03-19 Broadcom Corporation Method and system for increasing the accuracy of frequency offset estimation in multiple frequency hypothesis testing in an E-UTRA/LTE UE receiver
US8369279B2 (en) 2010-03-10 2013-02-05 Broadcom Corporation Method and system for iterative multiple frequency hypothesis testing with cell-ID detection in an E-UTRA/LTE UE receiver
US8917704B2 (en) 2009-12-18 2014-12-23 Broadcom Corporation Method and system for automatically rescaling an accumulation buffer in synchronization systems

Family Cites Families (13)

* 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
US4879728A (en) * 1989-01-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Laboratories DPSK carrier acquisition and tracking arrangement
DE69332139T2 (de) 1992-04-24 2003-03-27 Oki Electric Ind Co Ltd Empfänger für digitale Nachrichtensysteme
US5678215A (en) * 1996-06-13 1997-10-14 Motorola, Inc. Method for frequency locking onto a pilot reference signal affected by multipath fading
JP2800796B2 (ja) 1996-08-12 1998-09-21 日本電気株式会社 Ｃｄｍａ同期捕捉回路
JP2001509332A (ja) 1997-02-04 2001-07-10 ノキア テレコミュニケーションズ オサケユイチア 移動通信システムにおけるドップラー偏移の補正
US6320917B1 (en) * 1997-05-02 2001-11-20 Lsi Logic Corporation Demodulating digital video broadcast signals
DE19933266A1 (de) * 1999-07-15 2000-11-02 Siemens Ag Vorrichtung zum Empfangen von Funksignalen
DE10001854A1 (de) 2000-01-18 2001-08-02 Infineon Technologies Ag Verfahren und Vorrichtung zur Ermittlung der Trägerfrequenz von Basisstationen im mobilen Empfänger eines mit W-CDMA arbeitenden zellularen Mobilfunksystems
GB2359456B (en) 2000-02-19 2003-09-17 Nec Technologies Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
US6801567B1 (en) * 2000-03-30 2004-10-05 Texas Instruments Incorporated Frequency bin method of initial carrier frequency acquisition
US6628926B1 (en) * 2000-10-11 2003-09-30 Nokia Networks Oy Method for automatic frequency control
GB2379840A (en) * 2001-09-13 2003-03-19 Ipwireless Inc Automatic frequency correction

Also Published As

Publication number Publication date
ES2363892T3 (es) 2011-08-18
EP1914950A1 (fr) 2008-04-23
EP1466454A1 (fr) 2004-10-13
EP1914950B1 (fr) 2011-04-27
US20030099206A1 (en) 2003-05-29
ATE507640T1 (de) 2011-05-15
EP1466454B1 (fr) 2008-12-03
WO2003024045A1 (fr) 2003-03-20
US7266093B2 (en) 2007-09-04
DE60239901D1 (de) 2011-06-09
ES2315380T3 (es) 2009-04-01
PT1466454E (pt) 2009-03-31
GB0122090D0 (en) 2001-10-31
ATE416548T1 (de) 2008-12-15
DE60230189D1 (de) 2009-01-15
GB2379840A (en) 2003-03-19

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