ATE364932T1 - Persönliche kommunikationsanlage mit gps empfänger und gemeinsamer taktquelle - Google Patents

Persönliche kommunikationsanlage mit gps empfänger und gemeinsamer taktquelle

Info

Publication number
ATE364932T1
ATE364932T1 AT01924707T AT01924707T ATE364932T1 AT E364932 T1 ATE364932 T1 AT E364932T1 AT 01924707 T AT01924707 T AT 01924707T AT 01924707 T AT01924707 T AT 01924707T AT E364932 T1 ATE364932 T1 AT E364932T1
Authority
AT
Austria
Prior art keywords
common clock
signal
clock source
gps
communication system
Prior art date
Application number
AT01924707T
Other languages
English (en)
Inventor
Paul Underbrink
Original Assignee
Sirf Tech 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24199672&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE364932(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sirf Tech Inc filed Critical Sirf Tech Inc
Application granted granted Critical
Publication of ATE364932T1 publication Critical patent/ATE364932T1/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
    • 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
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
    • G01S19/235—Calibration of receiver components
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electric Clocks (AREA)
AT01924707T 2000-04-18 2001-04-05 Persönliche kommunikationsanlage mit gps empfänger und gemeinsamer taktquelle ATE364932T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/551,060 US6650879B1 (en) 2000-04-18 2000-04-18 Personal communications device with GPS receiver and common clock source

Publications (1)

Publication Number Publication Date
ATE364932T1 true ATE364932T1 (de) 2007-07-15

Family

ID=24199672

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01924707T ATE364932T1 (de) 2000-04-18 2001-04-05 Persönliche kommunikationsanlage mit gps empfänger und gemeinsamer taktquelle

Country Status (6)

Country Link
US (1) US6650879B1 (de)
EP (1) EP1277286B9 (de)
JP (1) JP3921086B2 (de)
AT (1) ATE364932T1 (de)
DE (1) DE60128904T2 (de)
WO (1) WO2001079878A2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7920620B1 (en) * 2000-09-27 2011-04-05 Sirf Technology, Inc. Method for reducing the calculation complexity for code acquisition and correlation
US20020127985A1 (en) * 2001-03-08 2002-09-12 Fransis Bert L. Wideband local oscillator architecture
US20020127992A1 (en) * 2001-03-08 2002-09-12 Fransis Bert L. Wideband local oscillator architecture
US6901265B2 (en) * 2001-04-25 2005-05-31 Parthus (Uk) Limited Mobile communication apparatus
US7062240B2 (en) * 2003-04-22 2006-06-13 Motorola, Inc. Automatic frequency control processing in multi-channel receivers
US7656235B2 (en) 2006-06-29 2010-02-02 Mediatek Inc. Communication system and oscillation signal provision method
DE102007024532B4 (de) * 2006-06-29 2015-10-15 Mediatek Inc. Kommunikationssystem und Verfahren zur Bereitstellung eines Oszillationssignals
US8004610B2 (en) * 2006-12-19 2011-08-23 Intel Corporation Techniques to enable digital television and GPS coexistence
US7664477B2 (en) * 2006-12-20 2010-02-16 Mediatek Inc. Communications system using a low cost oscillator and related method thereof
US7477189B2 (en) * 2007-01-30 2009-01-13 Sirf Technology Holdings, Inc. Methods and systems for acquisition, reacquisiton and tracking of weak navigational signals
US7586382B2 (en) * 2007-01-30 2009-09-08 Sirf Technology, Inc. Methods and systems for temperature related frequency drift compensation
JP2008187556A (ja) * 2007-01-31 2008-08-14 Nec Electronics Corp 受信装置
JP5440894B2 (ja) 2007-10-03 2014-03-12 測位衛星技術株式会社 位置情報提供システムおよび屋内送信機
US20090111422A1 (en) * 2007-10-31 2009-04-30 Gordon Bremer Control Systems and Methods for a Personal Communication Device (PCD)
US8238866B2 (en) * 2007-12-28 2012-08-07 Astrium Limited Filtering communications channels within telecommunications satellites
WO2009101811A1 (ja) * 2008-02-14 2009-08-20 Panasonic Corporation 受信装置とこれを用いた電子機器
US8589942B2 (en) * 2010-05-07 2013-11-19 Qualcomm Incorporated Non-real time thread scheduling
GB2496160B (en) * 2011-11-03 2014-02-05 Cambridge Silicon Radio Ltd Amelioration of frequency errors and/or their effects
JP2014055877A (ja) * 2012-09-13 2014-03-27 Toshiba Corp レーダ装置及びレーダ装置の時刻検出方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119504A (en) * 1990-07-19 1992-06-02 Motorola, Inc. Position aided subscriber unit for a satellite cellular system
US5523761A (en) * 1993-01-12 1996-06-04 Trimble Navigation Limited Differential GPS smart antenna device
US5535432A (en) 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
US5734966A (en) * 1995-01-20 1998-03-31 Diablo Research Corporation Wireless communication system for adapting to frequency drift
US5841396A (en) 1996-03-08 1998-11-24 Snaptrack, Inc. GPS receiver utilizing a communication link
US6002363A (en) * 1996-03-08 1999-12-14 Snaptrack, Inc. Combined GPS positioning system and communications system utilizing shared circuitry
FI964640A (fi) * 1996-11-21 1998-07-28 Nokia Multimedia Network Terminals Oy Menetelmä osoitetietojen välittämiseksi
US6041222A (en) 1997-09-08 2000-03-21 Ericsson Inc. Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver
US6097974A (en) * 1997-12-12 2000-08-01 Ericsson Inc. Combined GPS and wide bandwidth radiotelephone terminals and methods
US6122506A (en) 1998-05-04 2000-09-19 Trimble Navigation Limited GSM cellular telephone and GPS receiver combination
US6088348A (en) * 1998-07-13 2000-07-11 Qualcom Incorporated Configurable single and dual VCOs for dual- and tri-band wireless communication systems
US6300899B1 (en) * 1999-02-19 2001-10-09 Thomas M. King Fixed site data-aided GPS signal acquisition method and system

Also Published As

Publication number Publication date
JP2004501353A (ja) 2004-01-15
EP1277286B9 (de) 2007-10-31
WO2001079878A2 (en) 2001-10-25
EP1277286A2 (de) 2003-01-22
DE60128904T2 (de) 2008-02-21
EP1277286B1 (de) 2007-06-13
WO2001079878B1 (en) 2002-07-11
DE60128904D1 (de) 2007-07-26
WO2001079878A3 (en) 2002-05-16
US6650879B1 (en) 2003-11-18
JP3921086B2 (ja) 2007-05-30

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Legal Events

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