GB2393594B - Mobile handset clock correction - Google Patents

Mobile handset clock correction

Info

Publication number
GB2393594B
GB2393594B GB0222188A GB0222188A GB2393594B GB 2393594 B GB2393594 B GB 2393594B GB 0222188 A GB0222188 A GB 0222188A GB 0222188 A GB0222188 A GB 0222188A GB 2393594 B GB2393594 B GB 2393594B
Authority
GB
United Kingdom
Prior art keywords
mobile handset
clock correction
handset clock
correction
mobile
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.)
Expired - Fee Related
Application number
GB0222188A
Other versions
GB0222188D0 (en
GB2393594A (en
Inventor
Richard Ormson
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.)
NEC Technologies UK Ltd
Original Assignee
NEC Technologies UK 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
Application filed by NEC Technologies UK Ltd filed Critical NEC Technologies UK Ltd
Priority to GB0222188A priority Critical patent/GB2393594B/en
Publication of GB0222188D0 publication Critical patent/GB0222188D0/en
Publication of GB2393594A publication Critical patent/GB2393594A/en
Application granted granted Critical
Publication of GB2393594B publication Critical patent/GB2393594B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
GB0222188A 2002-09-24 2002-09-24 Mobile handset clock correction Expired - Fee Related GB2393594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0222188A GB2393594B (en) 2002-09-24 2002-09-24 Mobile handset clock correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0222188A GB2393594B (en) 2002-09-24 2002-09-24 Mobile handset clock correction

Publications (3)

Publication Number Publication Date
GB0222188D0 GB0222188D0 (en) 2002-10-30
GB2393594A GB2393594A (en) 2004-03-31
GB2393594B true GB2393594B (en) 2005-07-27

Family

ID=9944692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0222188A Expired - Fee Related GB2393594B (en) 2002-09-24 2002-09-24 Mobile handset clock correction

Country Status (1)

Country Link
GB (1) GB2393594B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4287476B2 (en) * 2004-01-26 2009-07-01 ケンブリッジ ポジショニング システムズ リミテッド Transfer of calibration time information in mobile terminals
GB2412037B (en) * 2004-03-10 2006-12-06 Nec Technologies Apparatus for deriving the frequency offset due to aging of a crystal oscillator
JP5169933B2 (en) * 2009-03-24 2013-03-27 富士通株式会社 Frequency control device, frequency control method, and base station device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689626A (en) * 1984-12-27 1987-08-25 Sony Corporation Digital circuit for correcting phase shift of digital signal
GB2360152A (en) * 2000-03-10 2001-09-12 Rover Group Control circuit arrangements
US20020080901A1 (en) * 2000-12-22 2002-06-27 Ham Eugene D. Clock synchronization in a communications environment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689626A (en) * 1984-12-27 1987-08-25 Sony Corporation Digital circuit for correcting phase shift of digital signal
GB2360152A (en) * 2000-03-10 2001-09-12 Rover Group Control circuit arrangements
US20020080901A1 (en) * 2000-12-22 2002-06-27 Ham Eugene D. Clock synchronization in a communications environment

Also Published As

Publication number Publication date
GB0222188D0 (en) 2002-10-30
GB2393594A (en) 2004-03-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080924