DE60239901D1 - Verfahren und Anordnung zur automatischen Frequenzregelung - Google Patents

Verfahren und Anordnung zur automatischen Frequenzregelung

Info

Publication number
DE60239901D1
DE60239901D1 DE60239901T DE60239901T DE60239901D1 DE 60239901 D1 DE60239901 D1 DE 60239901D1 DE 60239901 T DE60239901 T DE 60239901T DE 60239901 T DE60239901 T DE 60239901T DE 60239901 D1 DE60239901 D1 DE 60239901D1
Authority
DE
Germany
Prior art keywords
frequency
estimate
signal
producing
automatic 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
DE60239901T
Other languages
English (en)
Inventor
Alan Edward Jones
Paul Howard
Robert Armstrong
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.)
Nvidia Corp
Original Assignee
Wireless Technology Solutions LLC
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 Wireless Technology Solutions LLC filed Critical Wireless Technology Solutions LLC
Application granted granted Critical
Publication of DE60239901D1 publication Critical patent/DE60239901D1/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
    • H04L27/0014—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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Temperature-Responsive Valves (AREA)
DE60239901T 2001-09-13 2002-09-13 Verfahren und Anordnung zur automatischen Frequenzregelung Expired - Lifetime DE60239901D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0122090A GB2379840A (en) 2001-09-13 2001-09-13 Automatic frequency correction

Publications (1)

Publication Number Publication Date
DE60239901D1 true DE60239901D1 (de) 2011-06-09

Family

ID=9921994

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60230189T Expired - Lifetime DE60230189D1 (de) 2001-09-13 2002-09-13 Regelung
DE60239901T Expired - Lifetime DE60239901D1 (de) 2001-09-13 2002-09-13 Verfahren und Anordnung zur automatischen Frequenzregelung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60230189T Expired - Lifetime DE60230189D1 (de) 2001-09-13 2002-09-13 Regelung

Country Status (9)

Country Link
US (1) US7266093B2 (de)
EP (2) EP1914950B1 (de)
AT (2) ATE416548T1 (de)
DE (2) DE60230189D1 (de)
DK (1) DK1466454T3 (de)
ES (2) ES2315380T3 (de)
GB (1) GB2379840A (de)
PT (1) PT1466454E (de)
WO (1) WO2003024045A1 (de)

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
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
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
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
US5602881A (en) 1992-04-24 1997-02-11 Oki Electric Industry Co., Ltd. Receiver for a digital communication system
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
WO1998034357A1 (en) 1997-02-04 1998-08-06 Nokia Networks Oy Compensation of doppler shift in a mobile communication system
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
EP1914950B1 (de) 2011-04-27
EP1914950A1 (de) 2008-04-23
EP1466454B1 (de) 2008-12-03
ATE507640T1 (de) 2011-05-15
US20030099206A1 (en) 2003-05-29
ES2315380T3 (es) 2009-04-01
US7266093B2 (en) 2007-09-04
PT1466454E (pt) 2009-03-31
DE60230189D1 (de) 2009-01-15
ATE416548T1 (de) 2008-12-15
DK1466454T3 (da) 2009-04-06
GB0122090D0 (en) 2001-10-31
GB2379840A (en) 2003-03-19
WO2003024045A1 (en) 2003-03-20
EP1466454A1 (de) 2004-10-13

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