AU2001249449A1 - Providing time synchronization to a gps locator - Google Patents

Providing time synchronization to a gps locator

Info

Publication number
AU2001249449A1
AU2001249449A1 AU2001249449A AU4944901A AU2001249449A1 AU 2001249449 A1 AU2001249449 A1 AU 2001249449A1 AU 2001249449 A AU2001249449 A AU 2001249449A AU 4944901 A AU4944901 A AU 4944901A AU 2001249449 A1 AU2001249449 A1 AU 2001249449A1
Authority
AU
Australia
Prior art keywords
respect
communication network
time
positioning system
signal
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.)
Abandoned
Application number
AU2001249449A
Other languages
English (en)
Inventor
Hanoch Cohen
Baruch Shayevits
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.)
Cellguide Ltd
Original Assignee
Cellguide 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 Cellguide Ltd filed Critical Cellguide Ltd
Publication of AU2001249449A1 publication Critical patent/AU2001249449A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/006—Synchronisation arrangements determining timing error of reception due to propagation delay using known positions of transmitter and receiver
    • 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
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding 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
    • G01S19/23—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

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)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001249449A 2000-03-30 2001-03-26 Providing time synchronization to a gps locator Abandoned AU2001249449A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19323500P 2000-03-30 2000-03-30
US60193235 2000-03-30
PCT/US2001/009591 WO2001076285A1 (en) 2000-03-30 2001-03-26 Providing time synchronization to a gps locator

Publications (1)

Publication Number Publication Date
AU2001249449A1 true AU2001249449A1 (en) 2001-10-15

Family

ID=22712767

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249449A Abandoned AU2001249449A1 (en) 2000-03-30 2001-03-26 Providing time synchronization to a gps locator

Country Status (7)

Country Link
US (1) US7043265B2 (xx)
EP (1) EP1275259B1 (xx)
AT (1) ATE479106T1 (xx)
AU (1) AU2001249449A1 (xx)
DE (1) DE60142893D1 (xx)
IL (2) IL151524A0 (xx)
WO (1) WO2001076285A1 (xx)

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US6665541B1 (en) 2000-05-04 2003-12-16 Snaptrack, Incorporated Methods and apparatuses for using mobile GPS receivers to synchronize basestations in cellular networks
US6750814B1 (en) 2000-09-18 2004-06-15 Cellguide Ltd. Efficient algorithm for processing GPS signals
US6678510B2 (en) * 2001-02-05 2004-01-13 Nokia Mobile Phones Ltd. Method, apparatus and system for GPS time synchronization using cellular signal bursts
AU2001261816B2 (en) * 2001-05-26 2008-05-08 Snaptrack, Inc Methods and apparatuses for using mobile GPS stations to synchronize basestations
US20030103475A1 (en) * 2001-07-09 2003-06-05 Heppe Stephen B. Two-way timing and calibration methods for time division multiple access radio networks
US6748202B2 (en) * 2001-12-12 2004-06-08 Nokia Corporation Method, apparatus and system for synchronizing a cellular communication system to GPS time
GB2388264A (en) * 2002-01-10 2003-11-05 Roke Manor Research GPS based networked time synchronised unit
US6937872B2 (en) * 2002-04-15 2005-08-30 Qualcomm Incorporated Methods and apparatuses for measuring frequencies of basestations in cellular networks using mobile GPS receivers
US20040010368A1 (en) * 2002-07-10 2004-01-15 Logan Scott Assisted GPS signal detection and processing system for indoor location determination
US7321776B2 (en) * 2003-09-25 2008-01-22 Sony Ericsson Mobile Communications Ab Estimating GPS time at cellular terminals based on timing of information from base stations and satellites
GB2409376B (en) * 2003-12-17 2006-06-28 Motorola Inc A subscriber unit, a cellular communication system and a method for determining a location therefor
GB2409362B (en) * 2003-12-19 2006-07-19 Nokia Corp A GPS device
JP4287476B2 (ja) * 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 移動端末における較正時間情報の転送
WO2006010976A1 (en) 2004-06-30 2006-02-02 Nokia Corporation Enhancing time keeping accuracy for low power gps receivers
US8798638B2 (en) 2005-07-20 2014-08-05 Qualcomm Incorporated Methods and apparatus for providing base station position information and using position information to support timing and/or frequency corrections
US7991362B2 (en) * 2005-07-20 2011-08-02 Qualcomm Incorporated Methods and apparatus for supporting timing and/or frequency corrections in a wireless communications system
US7568106B2 (en) * 2005-12-16 2009-07-28 International Business Machines Corporation Cooperative non-repudiated message exchange in a network environment
CN101375174B (zh) * 2006-02-15 2011-12-14 艾利森电话股份有限公司 辅助gps定位中的准确度估计
KR100744326B1 (ko) * 2006-03-07 2007-07-30 삼성전자주식회사 이동 단말기에서 시스템 시각 정보를 이용한 ａｇｐｓ 모듈시각 동기화 방법 및 장치
EP2002277B1 (en) * 2006-04-04 2012-04-25 Cambridge Positioning Systems Limited Associating a universal time with a received signal
KR100761696B1 (ko) 2006-06-13 2007-09-28 삼성전자주식회사 이동통신 시스템에서 시간 정보 송 수신 장치 및 방법
WO2008087596A2 (en) * 2007-01-16 2008-07-24 Koninklijke Philips Electronics N.V. Neighbor discovery over multiple channels for wireless networks with directional antennas
US8249616B2 (en) * 2007-08-23 2012-08-21 Texas Instruments Incorporated Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks
DE102008061321B4 (de) * 2007-12-14 2014-01-30 Astrium Gmbh Verfahren, Empfänger und System zum Übertragen zusätzlicher Informationen mit Navigationsnachrichten in einem Satellitennavigationssystem
US8379625B2 (en) * 2007-12-18 2013-02-19 Airvana Llc Obtaining time information in a cellular network
US8520659B2 (en) * 2007-12-18 2013-08-27 Airvana Llc Absolute time recovery
KR20110102894A (ko) * 2008-12-03 2011-09-19 노오텔 네트웍스 리미티드 다중 리던던트 ｇｎｓｓ 동기화 시스템
JP5666428B2 (ja) * 2008-12-30 2015-02-12 メディアテック インコーポレイテッド Ｇｎｓｓ受信機におけるｇｎｓｓ時刻を取得する方法及び装置
KR20130081289A (ko) 2010-10-04 2013-07-16 교세라 가부시키가이샤 이동통신방법, 무선단말, 및 기지국
CN102890279B (zh) * 2011-07-20 2014-02-12 中国科学院电子学研究所 一种利用全球定位系统进行纳秒级精确时间同步的方法
JP5215440B2 (ja) * 2011-08-12 2013-06-19 クゥアルコム・インコーポレイテッド モバイルｇｐｓ局を使って基地局の同期を図る方法および装置
US20140015711A1 (en) * 2012-07-10 2014-01-16 Skytraq Technology, Inc. Wireless communication system and time synchronization method of the same
US20150103818A1 (en) * 2013-10-11 2015-04-16 Qualcomm Incorporated Transport and error compensation of a globally synchronized time-base
US10149261B2 (en) 2013-11-04 2018-12-04 Qualcomm Incorporated Methods and systems for mobile device clock management
CA3001490C (en) * 2015-11-09 2024-03-19 Wiser Systems, Inc. Methods for synchronizing multiple devices and determining location based on the synchronized devices
GB201812994D0 (en) * 2018-08-09 2018-09-26 Soletanche Freyssinet Monitoring system
CN114339984A (zh) * 2021-12-31 2022-04-12 中国联合网络通信集团有限公司 承载网时间精度校准方法、装置、设备及存储介质

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US5960355A (en) * 1996-02-16 1999-09-28 Telefonaktiebolaget Lm Ericsson Method and an arrangement relating to telecommunication systems
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
US6332086B2 (en) * 1997-04-07 2001-12-18 Graham Avis Discontinuous receive operation in a wireless terminal
US6070078A (en) * 1997-10-15 2000-05-30 Ericsson Inc. Reduced global positioning system receiver code shift search space for a cellular telephone system
WO1999056413A1 (en) * 1998-04-24 1999-11-04 Telefonaktiebolaget Lm Ericsson (Publ) Absolute time synchronization for mobile positioning in a cellular communications system
US6204808B1 (en) * 1998-08-13 2001-03-20 Ericsson Inc. Method and system for aiding GPS receivers via a cellular or PCS network
US6430416B1 (en) * 1999-11-15 2002-08-06 Trimble Navigation Limited Hybrid radio location system using a combination of satellite pseudoranges and radio pseudoranges
US6603978B1 (en) * 2000-03-24 2003-08-05 Ericsson Inc. Accurate GPS time estimate based on information from a wireless communications system

Also Published As

Publication number Publication date
US7043265B2 (en) 2006-05-09
EP1275259A1 (en) 2003-01-15
US20030040869A1 (en) 2003-02-27
EP1275259A4 (en) 2009-04-15
DE60142893D1 (de) 2010-10-07
IL151524A (en) 2007-10-31
EP1275259B1 (en) 2010-08-25
IL151524A0 (en) 2003-04-10
ATE479106T1 (de) 2010-09-15
WO2001076285A1 (en) 2001-10-11

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