DE602005008194D1 - TRANSFER OF CALIBRATED TIME INFORMATION IN A MOBILE TERMINAL - Google Patents

TRANSFER OF CALIBRATED TIME INFORMATION IN A MOBILE TERMINAL

Info

Publication number
DE602005008194D1
DE602005008194D1 DE602005008194T DE602005008194T DE602005008194D1 DE 602005008194 D1 DE602005008194 D1 DE 602005008194D1 DE 602005008194 T DE602005008194 T DE 602005008194T DE 602005008194 T DE602005008194 T DE 602005008194T DE 602005008194 D1 DE602005008194 D1 DE 602005008194D1
Authority
DE
Germany
Prior art keywords
transfer
mobile terminal
time information
calibrated time
calibrated
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.)
Active
Application number
DE602005008194T
Other languages
German (de)
Inventor
Peter James Duffett-Smith
Anthony Richard Pratt
David William Bartlett
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.)
Cambridge Positioning Systems Ltd
Original Assignee
Cambridge Positioning Systems 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 Systems Ltd filed Critical Cambridge Positioning Systems Ltd
Priority claimed from PCT/EP2005/050255 external-priority patent/WO2005071430A1/en
Publication of DE602005008194D1 publication Critical patent/DE602005008194D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
DE602005008194T 2004-01-26 2005-01-21 TRANSFER OF CALIBRATED TIME INFORMATION IN A MOBILE TERMINAL Active DE602005008194D1 (en)

Applications Claiming Priority (5)

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
PCT/EP2005/050255 WO2005071430A1 (en) 2004-01-26 2005-01-21 Transfer of calibrated time information in a mobile terminal

Publications (1)

Publication Number Publication Date
DE602005008194D1 true DE602005008194D1 (en) 2008-08-28

Family

ID=34812129

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005008194T Active DE602005008194D1 (en) 2004-01-26 2005-01-21 TRANSFER OF CALIBRATED TIME INFORMATION IN A MOBILE TERMINAL

Country Status (3)

Country Link
KR (1) KR101099175B1 (en)
DE (1) DE602005008194D1 (en)
TW (2) TWI358960B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101389973B (en) * 2006-02-28 2013-05-15 诺基亚公司 Methods and apparatuses for assisted navigation systems
US8130141B2 (en) * 2008-09-10 2012-03-06 Commlabs, Inc. Wide area positioning system
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
JP4860901B2 (en) 2001-05-26 2012-01-25 クゥアルコム・インコーポレイテッド Method and apparatus for synchronizing base stations using mobile GPS stations
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
TWI358960B (en) 2012-02-21
KR101099175B1 (en) 2011-12-27
TW200541356A (en) 2005-12-16
KR20070011295A (en) 2007-01-24
TW201208454A (en) 2012-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition