ATE553398T1 - Verbessern der zeitgenauigkeit für gps-empfänger mit niedrigem stromverbrauch - Google Patents

Verbessern der zeitgenauigkeit für gps-empfänger mit niedrigem stromverbrauch

Info

Publication number
ATE553398T1
ATE553398T1 AT04743832T AT04743832T ATE553398T1 AT E553398 T1 ATE553398 T1 AT E553398T1 AT 04743832 T AT04743832 T AT 04743832T AT 04743832 T AT04743832 T AT 04743832T AT E553398 T1 ATE553398 T1 AT E553398T1
Authority
AT
Austria
Prior art keywords
accuracy
positioning device
determining
clock signal
low power
Prior art date
Application number
AT04743832T
Other languages
English (en)
Inventor
Chris Atkinson
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE553398T1 publication Critical patent/ATE553398T1/de

Links

Classifications

    • 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
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • 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
    • 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
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
    • 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
    • G01S19/34—Power consumption

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)
AT04743832T 2004-06-30 2004-06-30 Verbessern der zeitgenauigkeit für gps-empfänger mit niedrigem stromverbrauch ATE553398T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/002163 WO2006010976A1 (en) 2004-06-30 2004-06-30 Enhancing time keeping accuracy for low power gps receivers

Publications (1)

Publication Number Publication Date
ATE553398T1 true ATE553398T1 (de) 2012-04-15

Family

ID=35785929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04743832T ATE553398T1 (de) 2004-06-30 2004-06-30 Verbessern der zeitgenauigkeit für gps-empfänger mit niedrigem stromverbrauch

Country Status (6)

Country Link
US (1) US7535417B2 (de)
EP (1) EP1761795B1 (de)
KR (1) KR100933392B1 (de)
CN (1) CN1977184B (de)
AT (1) ATE553398T1 (de)
WO (1) WO2006010976A1 (de)

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US7843335B2 (en) * 2007-03-13 2010-11-30 Blackbird Technologies, Inc. Mobile asset tracking unit, system and method
US20100081458A1 (en) * 2008-10-01 2010-04-01 Qualcomm Incorporated Mobile Terminal Motion Detection Methods and Systems
US8407037B2 (en) * 2008-11-05 2013-03-26 Qualcomm, Incorporated Methods and apparatus for clock simulation with calibration
US9322924B2 (en) * 2008-12-12 2016-04-26 Broadcom Corporation Method and system for power management for a frequency synthesizer in a GNSS receiver chip
US9739890B2 (en) * 2009-11-04 2017-08-22 Maxlinear, Inc. GPS baseband controller architecture
US8054221B1 (en) * 2010-11-15 2011-11-08 Apple Inc. Methods for testing satellite navigation system receivers in wireless electronic devices
US8811192B2 (en) 2011-02-10 2014-08-19 Apple Inc. Methods for testing wireless local area network transceivers in wireless electronic devices
US8538373B2 (en) 2011-05-25 2013-09-17 Blackbird Technologies, Inc. Methods and apparatus for emergency tracking
US8649755B2 (en) 2011-12-16 2014-02-11 Qualcomm Incorporated Timing circuit calibration in devices with selectable power modes
US9066295B2 (en) 2011-12-16 2015-06-23 Qualcomm Incorporated Power conservation techniques for use in devices with selectable power modes
US20130289872A1 (en) * 2011-12-19 2013-10-31 Jonathan Segev Navigation systems and methods
US9582391B2 (en) 2012-04-18 2017-02-28 W2Bi, Inc. Logistics of stress testing
US9541649B2 (en) 2013-05-02 2017-01-10 The Mitre Corporation Detecting timing anomalies
US9184786B2 (en) * 2013-11-19 2015-11-10 Marvell World Trade Ltd. Systems and methods for clock calibration for satellite navigation
US10495759B2 (en) 2014-02-13 2019-12-03 The Mitre Corporation GPS spoofing detection techniques
US20150247928A1 (en) * 2014-02-28 2015-09-03 Texas Instruments Incorporated Cooperative location sensor apparatus and system for low complexity geolocation
WO2016100999A1 (de) 2014-12-23 2016-06-30 Fts Computertechnik Gmbh Verfahren und vorrichtung zur energiesparenden externen synchronisation der uhren in einem verteilten echtzeitcomputersystem
US20180120443A1 (en) * 2016-10-28 2018-05-03 Qualcomm Incorporated Method and apparatus for reducing time uncertainty using relative change in position
CN110161545B (zh) * 2018-02-12 2022-04-15 清华大学 定位系统及其定位信号生成方法
US11226650B1 (en) * 2019-09-05 2022-01-18 Lytx, Inc. Managing a time reference
CN116073932A (zh) * 2021-11-04 2023-05-05 中国联合网络通信集团有限公司 一种时间同步方法、装置、设备及存储介质

Family Cites Families (12)

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US5592173A (en) * 1994-07-18 1997-01-07 Trimble Navigation, Ltd GPS receiver having a low power standby mode
US5596333A (en) * 1994-08-31 1997-01-21 Motorola, Inc. Method and apparatus for conveying a communication signal between a communication unit and a base site
US5893044A (en) * 1997-01-21 1999-04-06 Motorola Inc. Real time clock apparatus for fast acquisition or GPS signals
US6236839B1 (en) * 1999-09-10 2001-05-22 Utstarcom, Inc. Method and apparatus for calibrating a smart antenna array
EP1275259B1 (de) 2000-03-30 2010-08-25 Cellguide Ltd. Zeitliche synchronisation für eine gps-positionsbestimmungsvorrichtung
US6778136B2 (en) * 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
US6438381B1 (en) * 2000-06-08 2002-08-20 Motorola, Inc. Method and apparatus for location determination of a cellular telephone
DE60238496D1 (de) 2001-10-02 2011-01-13 Sirf Tech Inc Gps-vorrichtung und verfahren zur verwendung eines temperaturkompensierten oszillators zur durchführung einer positionsfixierung
US6985811B2 (en) * 2001-10-30 2006-01-10 Sirf Technology, Inc. Method and apparatus for real time clock (RTC) brownout detection
US6901330B1 (en) * 2001-12-21 2005-05-31 Garmin Ltd. Navigation system, method and device with voice guidance
GB0223351D0 (en) 2002-10-08 2002-11-13 Parthus Ireland Ltd Mobile position fixing
JP4164662B2 (ja) * 2003-06-10 2008-10-15 日本電気株式会社 携帯端末およびｇｐｓ時刻維持方法

Also Published As

Publication number Publication date
US20070285309A1 (en) 2007-12-13
CN1977184A (zh) 2007-06-06
EP1761795A1 (de) 2007-03-14
CN1977184B (zh) 2011-06-08
EP1761795B1 (de) 2012-04-11
WO2006010976A1 (en) 2006-02-02
KR100933392B1 (ko) 2009-12-22
US7535417B2 (en) 2009-05-19
KR20070037628A (ko) 2007-04-05

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