TWI358960B - Transfer of calibrated time information in a mobil - Google Patents

Transfer of calibrated time information in a mobil Download PDF

Info

Publication number
TWI358960B
TWI358960B TW094102249A TW94102249A TWI358960B TW I358960 B TWI358960 B TW I358960B TW 094102249 A TW094102249 A TW 094102249A TW 94102249 A TW94102249 A TW 94102249A TW I358960 B TWI358960 B TW I358960B
Authority
TW
Taiwan
Prior art keywords
time
uncorrected
terminal
signals
offset
Prior art date
Application number
TW094102249A
Other languages
English (en)
Chinese (zh)
Other versions
TW200541356A (en
Inventor
Peter James Duffett-Smith
Anthony Richard Pratt
David William Bartlett
Original Assignee
Cambridge Positioning Sys Ltd
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
Priority claimed from GB0421351A external-priority patent/GB0421351D0/en
Application filed by Cambridge Positioning Sys Ltd filed Critical Cambridge Positioning Sys Ltd
Publication of TW200541356A publication Critical patent/TW200541356A/zh
Application granted granted Critical
Publication of TWI358960B publication Critical patent/TWI358960B/zh

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
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • G01S19/252—Employing an initial estimate of location in generating assistance data
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0045—Transmission from base station to mobile station
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/021—Calibration, monitoring or correction
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
TW094102249A 2004-01-26 2005-01-26 Transfer of calibrated time information in a mobil TWI358960B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP04250403 2004-01-26
EP04253427 2004-06-09
US59192304P 2004-07-29 2004-07-29
GB0421351A GB0421351D0 (en) 2004-09-24 2004-09-24 Transfer of calibrated time information in a terminal

Publications (2)

Publication Number Publication Date
TW200541356A TW200541356A (en) 2005-12-16
TWI358960B true TWI358960B (en) 2012-02-21

Family

ID=34812129

Family Applications (2)

Application Number Title Priority Date Filing Date
TW100139639A TW201208454A (en) 2004-01-26 2005-01-26 Transfer of calibrated time information in a mobile terminal
TW094102249A TWI358960B (en) 2004-01-26 2005-01-26 Transfer of calibrated time information in a mobil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW100139639A TW201208454A (en) 2004-01-26 2005-01-26 Transfer of calibrated time information in a mobile terminal

Country Status (3)

Country Link
KR (1) KR101099175B1 (ko)
DE (1) DE602005008194D1 (ko)
TW (2) TW201208454A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE512371T1 (de) * 2006-02-28 2011-06-15 Nokia Corp Verfahren und vorrichtungen für unterstützte navigationssysteme
JP5632843B2 (ja) * 2008-09-10 2014-11-26 ネクストナヴ，エルエルシー 広域測位システム
GB2504757B (en) * 2012-08-09 2015-03-25 Nvidia Corp Reference clock calibration

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6603978B1 (en) 2000-03-24 2003-08-05 Ericsson Inc. Accurate GPS time estimate based on information from a wireless communications system
US6678510B2 (en) 2001-02-05 2004-01-13 Nokia Mobile Phones Ltd. Method, apparatus and system for GPS time synchronization using cellular signal bursts
CA2447914C (en) 2001-05-26 2008-07-22 Norman F. Krasner Methods and apparatuses for using mobile gps stations to synchronize basestations
GB0117883D0 (en) 2001-07-21 2001-09-12 Koninkl Philips Electronics Nv Method and apparatus for estimating gps time

Also Published As

Publication number Publication date
KR101099175B1 (ko) 2011-12-27
KR20070011295A (ko) 2007-01-24
TW201208454A (en) 2012-02-16
TW200541356A (en) 2005-12-16
DE602005008194D1 (de) 2008-08-28

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees