IL151524A0 - Providing time synchronization to a gps locator - Google Patents

Providing time synchronization to a gps locator

Info

Publication number
IL151524A0
IL151524A0 IL15152401A IL15152401A IL151524A0 IL 151524 A0 IL151524 A0 IL 151524A0 IL 15152401 A IL15152401 A IL 15152401A IL 15152401 A IL15152401 A IL 15152401A IL 151524 A0 IL151524 A0 IL 151524A0
Authority
IL
Israel
Prior art keywords
respect
communication network
time
positioning system
signal
Prior art date
Application number
IL15152401A
Other languages
English (en)
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 IL151524A0 publication Critical patent/IL151524A0/xx

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)
IL15152401A 2000-03-30 2001-03-26 Providing time synchronization to a gps locator IL151524A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19323500P 2000-03-30 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
IL151524A0 true IL151524A0 (en) 2003-04-10

Family

ID=22712767

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15152401A IL151524A0 (en) 2000-03-30 2001-03-26 Providing time synchronization to a gps locator
IL151524A IL151524A (en) 2000-03-30 2002-08-28 Providing time synchronization to a gps locator

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL151524A IL151524A (en) 2000-03-30 2002-08-28 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)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2002098024A1 (en) * 2001-05-26 2002-12-05 Qualcomm Incorporated 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
CN101084453B (zh) * 2004-01-26 2011-12-21 剑桥定位系统有限公司 移动终端中校准时间信息的传送
CN1977184B (zh) * 2004-06-30 2011-06-08 诺基亚公司 包括具有提高的记时精确度的低能耗gps接收器的移动设备
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
WO2007094708A1 (en) * 2006-02-15 2007-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Accuracy assessment in assisted gps positioning
KR100744326B1 (ko) * 2006-03-07 2007-07-30 삼성전자주식회사 이동 단말기에서 시스템 시각 정보를 이용한 ａｇｐｓ 모듈시각 동기화 방법 및 장치
JP2009530625A (ja) * 2006-04-04 2009-08-27 ケンブリッジ ポジショニング システムズ リミテッド 受信信号に世界時を関連付ける方法
KR100761696B1 (ko) * 2006-06-13 2007-09-28 삼성전자주식회사 이동통신 시스템에서 시간 정보 송 수신 장치 및 방법
KR101472541B1 (ko) * 2007-01-16 2014-12-16 코닌클리케 필립스 엔.브이. 지향성 안테나를 이용하여 무선 네트워크용의 복수의 채널을 통하여 이웃 발견
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
WO2010075647A1 (en) * 2008-12-30 2010-07-08 Mediatek Inc. Methods and apparatus for obtaining gnss time in a gnss receiver
DE102008061321B4 (de) * 2007-12-14 2014-01-30 Astrium Gmbh Verfahren, Empfänger und System zum Übertragen zusätzlicher Informationen mit Navigationsnachrichten in einem Satellitennavigationssystem
US8520659B2 (en) * 2007-12-18 2013-08-27 Airvana Llc Absolute time recovery
US8379625B2 (en) * 2007-12-18 2013-02-19 Airvana Llc Obtaining time information in a cellular network
JP2012510763A (ja) * 2008-12-03 2012-05-10 ノーテル・ネットワークス・リミテッド 複数の冗長的なｇｎｓｓの同期システム
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
US20150103817A1 (en) * 2013-10-11 2015-04-16 Qualcomm Incorporated Global time synchronization server for wireless devices
US10149261B2 (en) 2013-11-04 2018-12-04 Qualcomm Incorporated Methods and systems for mobile device clock management
WO2017083353A1 (en) * 2015-11-09 2017-05-18 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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AU4297999A (en) 1998-04-24 1999-11-16 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
ATE479106T1 (de) 2010-09-15
EP1275259A1 (en) 2003-01-15
IL151524A (en) 2007-10-31
DE60142893D1 (de) 2010-10-07
EP1275259A4 (en) 2009-04-15
EP1275259B1 (en) 2010-08-25
WO2001076285A1 (en) 2001-10-11
US20030040869A1 (en) 2003-02-27
AU2001249449A1 (en) 2001-10-15
US7043265B2 (en) 2006-05-09

Similar Documents

Publication Publication Date Title
IL151524A0 (en) Providing time synchronization to a gps locator
MY120384A (en) Method and apparatus for determining the location of a remote station in a cdma communication network.
AU2001243398A1 (en) Accurate gps time estimate based on information from a wireless communications system
US7925210B2 (en) Synchronizing a radio network with end user radio terminals
US20030069033A1 (en) Method and apparatus for wireless network timekeeping and synchronization
IL141314A0 (en) Method and apparatus for acquiring satellite positioning system signals
BR0014021A (pt) Sistema e método para sincronização de estações base em celulares e redes de pcs
EP1701177A3 (en) Calibration for wireless location system
GB0403381D0 (en) Improved method for estimating TDOA and FDOA in a wireless location system
WO2003040747A3 (en) Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
KR20000069319A (ko) 지피에스 수신기를 위한 시간 결정방법 및 장치
DE60226981D1 (de) Verfahren und vorrichtung zur schätzung von gps-zeit
WO2002059634A3 (en) Apparatus for processing of gps signals
ATE295650T1 (de) Kommunikationssystem
US7973711B2 (en) Controlling satellite navigation receivers in response to low frequency electromagnetic signals
TW200733658A (en) System and method of frequency acquisition
WO2003052448A3 (en) Gps receiver

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed