HK1072473A1 - Estimating gps reference frequency drift from pdc-handset vco-bursts - Google Patents

Estimating gps reference frequency drift from pdc-handset vco-bursts

Info

Publication number
HK1072473A1
HK1072473A1 HK05105017A HK05105017A HK1072473A1 HK 1072473 A1 HK1072473 A1 HK 1072473A1 HK 05105017 A HK05105017 A HK 05105017A HK 05105017 A HK05105017 A HK 05105017A HK 1072473 A1 HK1072473 A1 HK 1072473A1
Authority
HK
Hong Kong
Prior art keywords
pdc
vco
bursts
handset
reference frequency
Prior art date
Application number
HK05105017A
Other languages
English (en)
Inventor
Paul W Mcburney
Original Assignee
Eride Inc
Seiko Epson 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 Eride Inc, Seiko Epson Corp filed Critical Eride Inc
Publication of HK1072473A1 publication Critical patent/HK1072473A1/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/04—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means
    • G01C21/06—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving measuring of drift angle; involving correction for drift
    • 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
    • G01S19/20—Integrity monitoring, fault detection or fault isolation of space segment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Navigation (AREA)
HK05105017A 2003-08-27 2005-06-15 Estimating gps reference frequency drift from pdc-handset vco-bursts HK1072473A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/650,383 US7224950B2 (en) 2003-08-27 2003-08-27 Estimating GPS reference frequency drift from PDC-handset VCO-bursts

Publications (1)

Publication Number Publication Date
HK1072473A1 true HK1072473A1 (en) 2005-08-26

Family

ID=34104702

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05105017A HK1072473A1 (en) 2003-08-27 2005-06-15 Estimating gps reference frequency drift from pdc-handset vco-bursts

Country Status (7)

Country Link
US (1) US7224950B2 (xx)
EP (1) EP1510830B1 (xx)
JP (1) JP4426928B2 (xx)
KR (1) KR20050022312A (xx)
CN (1) CN100426685C (xx)
DE (1) DE602004001368T2 (xx)
HK (1) HK1072473A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2402222B (en) * 2003-05-30 2007-04-25 Abb Ltd Phase measurement in measuring device
US20070281626A1 (en) * 2006-06-05 2007-12-06 Dobosz Paul J Vehicle telematics satellite data transceiver utilizing fm radio circuitry
US7903025B2 (en) * 2008-03-12 2011-03-08 Research In Motion Limited Multiple clock signal generation from a common oscillator
US8451169B2 (en) 2011-06-10 2013-05-28 Skytraq Technology, Inc. Method and apparatus of correcting clock drift error
US8847819B2 (en) * 2011-10-25 2014-09-30 Texas Instruments Incorporated Clock drift profile determination in navigation system receivers
US20140004887A1 (en) * 2012-06-29 2014-01-02 Qualcomm Incorporated Crystal oscillator calibration
US10466655B1 (en) 2018-12-27 2019-11-05 Seiko Epson Corporation Electronic timepiece and control method of electronic timepiece
CN113132288B (zh) * 2021-06-17 2021-12-03 展讯通信（上海）有限公司 频偏控制方法及装置、终端、存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841396A (en) * 1996-03-08 1998-11-24 Snaptrack, Inc. GPS receiver utilizing a communication link
US6208290B1 (en) * 1996-03-08 2001-03-27 Snaptrack, Inc. GPS receiver utilizing a communication link
US6122506A (en) * 1998-05-04 2000-09-19 Trimble Navigation Limited GSM cellular telephone and GPS receiver combination
EP1149481B1 (en) * 1999-03-16 2002-12-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Repeater system and method of receiving a modulated input signal and transmitting a modulated output signal
US6829534B2 (en) * 1999-04-23 2004-12-07 Global Locate, Inc. Method and apparatus for performing timing synchronization
JP2001116821A (ja) 1999-10-15 2001-04-27 Sony Corp Ｇｐｓ測位方法およびｇｐｓ受信装置
US6819707B2 (en) * 2001-05-18 2004-11-16 Global Locate, Inc. Method and apparatus for performing signal correlation using historical correlation data
US20030038977A1 (en) * 2001-08-24 2003-02-27 Brett Green Browser-controlled faxing system and method
US6965754B2 (en) 2001-10-09 2005-11-15 Motorola, Inc. Satellite positioning system receiver with reference oscillator circuit and methods therefor
US7155183B2 (en) * 2003-01-16 2006-12-26 Global Locate, Inc. Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device

Also Published As

Publication number Publication date
KR20050022312A (ko) 2005-03-07
CN100426685C (zh) 2008-10-15
DE602004001368T2 (de) 2006-11-09
JP2005070054A (ja) 2005-03-17
DE602004001368D1 (de) 2006-08-10
US7224950B2 (en) 2007-05-29
US20050048941A1 (en) 2005-03-03
CN1592127A (zh) 2005-03-09
JP4426928B2 (ja) 2010-03-03
EP1510830B1 (en) 2006-06-28
EP1510830A1 (en) 2005-03-02

Similar Documents

Publication Publication Date Title
EP1604171A4 (en) ELECTRONIC COMPASS SYSTEM
EP1692684A4 (en) PERSISTENT USER INTERFACE PROVIDING NAVIGATION FUNCTIONALITY
TW595338U (en) Backpack for first aid
HK1072473A1 (en) Estimating gps reference frequency drift from pdc-handset vco-bursts
ZA200600103B (en) Channel for liquids
EP1698859A4 (en) NAVIGATION DEVICE
GB2400571B (en) Navigation system
GB0303705D0 (en) Distance estimation
EP1515156A4 (en) GPS RECEIVER
GB2405204B (en) Navigation system
EP1631832A4 (en) RADIO LOCATION METHOD
EP1657525A4 (en) NAVIGATION DEVICE
GB0312037D0 (en) Phospholipase
TW582418U (en) Easily removable structure for aid lock
GB2435660B (en) Identification of the channel frequency response using chirps
EP1644245A4 (en) SUB-FRONT ENTRY SYSTEM
GB2398963B (en) Improved handset location accuracy
GB2409254B (en) Aid for installing services
GB0400349D0 (en) Silicon compounds
GB0401212D0 (en) GPS receiver
EP1617306A4 (en) CASE FOR WATCH BRACELET
GB0302586D0 (en) Silicon Resonators
GB0303697D0 (en) Measurement technique
GB0308745D0 (en) Drift eliminator
PL360019A1 (en) Gps

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20190818