ATE408930T1 - Verfahren und vorrichtung zur lokaloszillatorfrequenzfehlerkompensation durch umgebungsregelung - Google Patents

Verfahren und vorrichtung zur lokaloszillatorfrequenzfehlerkompensation durch umgebungsregelung

Info

Publication number
ATE408930T1
ATE408930T1 AT01933239T AT01933239T ATE408930T1 AT E408930 T1 ATE408930 T1 AT E408930T1 AT 01933239 T AT01933239 T AT 01933239T AT 01933239 T AT01933239 T AT 01933239T AT E408930 T1 ATE408930 T1 AT E408930T1
Authority
AT
Austria
Prior art keywords
frequency error
frequency
local oscillator
environmental control
oscillator frequency
Prior art date
Application number
AT01933239T
Other languages
English (en)
Inventor
Christopher Patrick
Saed Younis
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE408930T1 publication Critical patent/ATE408930T1/de

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
    • 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

Landscapes

  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Amplifiers (AREA)
  • Electric Clocks (AREA)
  • Circuits Of Receivers In General (AREA)
AT01933239T 2000-05-09 2001-05-08 Verfahren und vorrichtung zur lokaloszillatorfrequenzfehlerkompensation durch umgebungsregelung ATE408930T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/567,801 US6522871B1 (en) 2000-05-09 2000-05-09 Method and apparatus for compensating local oscillator frequency error through environmental control

Publications (1)

Publication Number Publication Date
ATE408930T1 true ATE408930T1 (de) 2008-10-15

Family

ID=24268705

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01933239T ATE408930T1 (de) 2000-05-09 2001-05-08 Verfahren und vorrichtung zur lokaloszillatorfrequenzfehlerkompensation durch umgebungsregelung

Country Status (14)

Country Link
US (1) US6522871B1 (de)
EP (1) EP1282941B1 (de)
JP (1) JP2003533117A (de)
KR (1) KR100833827B1 (de)
CN (1) CN1256809C (de)
AT (1) ATE408930T1 (de)
AU (2) AU5968001A (de)
BR (1) BR0110683A (de)
CA (1) CA2408595C (de)
DE (1) DE60135840D1 (de)
IL (2) IL152664A0 (de)
MX (1) MXPA02011006A (de)
RU (1) RU2333598C2 (de)
WO (1) WO2001086809A2 (de)

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US7917145B2 (en) * 1992-11-02 2011-03-29 Broadcom Corporation Radio frequency local area network
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US7366522B2 (en) 2000-02-28 2008-04-29 Thomas C Douglass Method and system for location tracking
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US7218938B1 (en) * 2002-04-24 2007-05-15 Chung Lau Methods and apparatus to analyze and present location information
US6975941B1 (en) 2002-04-24 2005-12-13 Chung Lau Method and apparatus for intelligent acquisition of position information
US7905832B1 (en) 2002-04-24 2011-03-15 Ipventure, Inc. Method and system for personalized medical monitoring and notifications therefor
US6928275B1 (en) * 2000-05-08 2005-08-09 Qualcomm Incorporated Method and apparatus for compensating local oscillator frequency error
US6865380B2 (en) * 2001-02-05 2005-03-08 Nokia Corporation Method, apparatus and system for frequency stabilization using cellular signal bursts
US7098748B2 (en) * 2001-09-21 2006-08-29 Schmidt Dominik J Integrated CMOS high precision piezo-electrically driven clock
US7020180B2 (en) * 2001-10-04 2006-03-28 Qualcomm Inc. Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
US6965754B2 (en) * 2001-10-09 2005-11-15 Motorola, Inc. Satellite positioning system receiver with reference oscillator circuit and methods therefor
US7711338B2 (en) * 2001-12-05 2010-05-04 Nokia Corporation Frequency offset correction based on the presence or absence of a received signal
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US9182238B2 (en) 2002-04-24 2015-11-10 Ipventure, Inc. Method and apparatus for intelligent acquisition of position information
US7649426B2 (en) * 2006-09-12 2010-01-19 Cts Corporation Apparatus and method for temperature compensation of crystal oscillators
KR100924172B1 (ko) * 2006-12-08 2009-10-28 한국전자통신연구원 가변 대역폭 무선채널 측정 방법 및 이를 위한 송수신장치
EP2338069A1 (de) 2008-10-15 2011-06-29 Nokia Corporation Temperatursensor für einen oszillator und für satellitenpositionsbestimmungsschaltkreise
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US9568609B2 (en) 2010-05-13 2017-02-14 Qualcomm Incorporated High sensitivity satellite positioning system receiver
US8730101B2 (en) 2010-05-13 2014-05-20 Qualcomm Incorporated High sensitivity satellite positioning system receiver
US8781045B2 (en) * 2010-09-02 2014-07-15 Mediatek Inc. Communication apparatuses and wireless communications modules
JP5110141B2 (ja) * 2010-09-29 2012-12-26 カシオ計算機株式会社 衛星電波受信装置及び衛星電波受信方法
RU2477922C2 (ru) * 2010-12-20 2013-03-20 Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") Способ обнаружения сигналов при априорной неопределенности их параметров
US8744518B2 (en) * 2012-04-09 2014-06-03 Apple Inc. Mechanism for reducing time away from packet switched operation in a single radio solution
US8729977B2 (en) * 2012-06-12 2014-05-20 Qualcomm Incorporated Compensation for crystal frequency using multiple temperatures
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Also Published As

Publication number Publication date
WO2001086809A2 (en) 2001-11-15
CA2408595C (en) 2009-11-10
KR20030003274A (ko) 2003-01-09
CA2408595A1 (en) 2001-11-15
EP1282941B1 (de) 2008-09-17
AU2001259680B2 (en) 2005-12-22
MXPA02011006A (es) 2003-04-25
CN1529939A (zh) 2004-09-15
US6522871B1 (en) 2003-02-18
RU2333598C2 (ru) 2008-09-10
DE60135840D1 (de) 2008-10-30
IL152664A0 (en) 2003-06-24
IL152664A (en) 2006-12-10
JP2003533117A (ja) 2003-11-05
CN1256809C (zh) 2006-05-17
BR0110683A (pt) 2004-02-10
HK1066929A1 (en) 2005-04-01
WO2001086809A3 (en) 2002-03-07
AU5968001A (en) 2001-11-20
EP1282941A2 (de) 2003-02-12
KR100833827B1 (ko) 2008-06-02

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
REN Ceased due to non-payment of the annual fee