CA2447914A1 - Procedes et appareils utilisant des stations gps mobiles pour synchroniser des stations de base - Google Patents

Procedes et appareils utilisant des stations gps mobiles pour synchroniser des stations de base Download PDF

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Publication number
CA2447914A1
CA2447914A1 CA002447914A CA2447914A CA2447914A1 CA 2447914 A1 CA2447914 A1 CA 2447914A1 CA 002447914 A CA002447914 A CA 002447914A CA 2447914 A CA2447914 A CA 2447914A CA 2447914 A1 CA2447914 A1 CA 2447914A1
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CA
Canada
Prior art keywords
time
basestation
day
location
basestations
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.)
Granted
Application number
CA002447914A
Other languages
English (en)
Other versions
CA2447914C (fr
Inventor
Norman F. Krasner
Edward V. Jolley
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.)
SnapTrack Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2447914A1 publication Critical patent/CA2447914A1/fr
Application granted granted Critical
Publication of CA2447914C publication Critical patent/CA2447914C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/2693—Centralised synchronisation, i.e. using external universal time reference, e.g. by using a global positioning system [GPS] or by distributing time reference over the wireline network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CA002447914A 2001-05-26 2001-05-26 Procedes et appareils utilisant des stations gps mobiles pour synchroniser des stations de base Expired - Lifetime CA2447914C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/017113 WO2002098024A1 (fr) 2001-05-26 2001-05-26 Procedes et appareils utilisant des stations gps mobiles pour synchroniser des stations de base

Publications (2)

Publication Number Publication Date
CA2447914A1 true CA2447914A1 (fr) 2002-12-05
CA2447914C CA2447914C (fr) 2008-07-22

Family

ID=21742599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002447914A Expired - Lifetime CA2447914C (fr) 2001-05-26 2001-05-26 Procedes et appareils utilisant des stations gps mobiles pour synchroniser des stations de base

Country Status (8)

Country Link
JP (1) JP4860901B2 (fr)
KR (1) KR100881869B1 (fr)
CN (1) CN1294708C (fr)
AU (1) AU2001261816B2 (fr)
CA (1) CA2447914C (fr)
HK (1) HK1063889A1 (fr)
IL (1) IL158850A0 (fr)
WO (1) WO2002098024A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3794413B2 (ja) 2003-02-28 2006-07-05 セイコーエプソン株式会社 測位システムおよび測位端末
US20040202119A1 (en) * 2003-04-10 2004-10-14 Edge Stephen William Base station synchronization in a wireless network
DE602005008194D1 (de) 2004-01-26 2008-08-28 Cambridge Positioning Sys Ltd Transfer kalibrierter zeitinformationen in einem mobilen endgerät
CN100421367C (zh) * 2004-07-26 2008-09-24 华为技术有限公司 一种实现基站同步传输的方法
CN101112107B (zh) * 2005-02-11 2011-11-09 真实定位公司 用于同步基站收发信机（bts）的方法和系统
JP4577036B2 (ja) * 2005-02-15 2010-11-10 セイコーエプソン株式会社 通信基地局
GB2450680B (en) * 2007-06-22 2012-05-30 Ubiquisys Ltd Controlling timing of synchronization updates
CN101183894A (zh) * 2007-12-12 2008-05-21 华为技术有限公司 星卡资源共享的方法及设备、基站设备及网络系统
US8774230B2 (en) * 2009-04-08 2014-07-08 Qualcomm Incorporated Conveying synchronization stratum information
US8730938B2 (en) * 2009-04-08 2014-05-20 Qualcomm Incorporated Minimizing the impact of self synchronization on wireless communication devices
CN103576122A (zh) * 2013-11-04 2014-02-12 中国科学院光电研究院 一种基于猝发求救信号的救援定位方法
CN105897330A (zh) * 2016-04-01 2016-08-24 严炜 一种用于uwb高精度定位系统的信号同步方法
EP3544323B1 (fr) 2016-12-28 2021-02-17 Huawei Technologies Co., Ltd. Procédé permettant de déterminer un retard de canal, procédé de localisation et dispositif associé
CN110753298B (zh) * 2018-07-05 2022-02-01 中移物联网有限公司 一种定位方法及其装置、设备和存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245634A (en) * 1992-03-23 1993-09-14 Motorola, Inc. Base-site synchronization in a communication system
CN1155835C (zh) * 1995-10-09 2004-06-30 快速追踪有限公司 使用共享电路的合成gps定位系统及通信系统
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
JPH09312607A (ja) * 1996-05-23 1997-12-02 Ainsu:Kk Ａｖｍ方式を適用した移動無線システム及びそのための基地局無線装置並びに移動局無線装置
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6307840B1 (en) * 1997-09-19 2001-10-23 Qualcomm Incorporated Mobile station assisted timing synchronization in CDMA communication system
US6016322A (en) * 1997-09-22 2000-01-18 Kor Electronics, Inc. Apparatus and method for self synchronization in a digital data wireless communication system
JPH11112410A (ja) * 1997-10-06 1999-04-23 Advantest Corp 移動体通信網基地局の同期評価システム
JPH11203582A (ja) * 1998-01-19 1999-07-30 Miwa Science Kenkyusho:Kk 位置監視・探索システムとその機器
US6252543B1 (en) * 1998-05-28 2001-06-26 Ericsson Inc. Location system combining ranging measurements from GPS and cellular networks
US6539004B1 (en) * 1998-09-17 2003-03-25 Lucent Technologies Inc. Time synchronization of packetized radio signals to base stations
AU7586500A (en) * 1999-09-17 2001-04-17 Qualcomm Incorporated System and method for synchronizing base stations in cellular and pcs networks
US20010039192A1 (en) * 2000-01-27 2001-11-08 Osterling Jacob Kristian Time synchronization of radio networks
IL151524A0 (en) * 2000-03-30 2003-04-10 Cellguide Ltd Providing time synchronization to a gps locator
US7254402B2 (en) * 2000-10-12 2007-08-07 Qualcomm Incorporated GPS satellite signal acquisition assistance system and method in a wireless communications network

Also Published As

Publication number Publication date
CN1294708C (zh) 2007-01-10
IL158850A0 (en) 2004-05-12
JP4860901B2 (ja) 2012-01-25
KR100881869B1 (ko) 2009-02-06
KR20040003013A (ko) 2004-01-07
WO2002098024A1 (fr) 2002-12-05
HK1063889A1 (en) 2005-01-14
JP2004533177A (ja) 2004-10-28
CN1507710A (zh) 2004-06-23
CA2447914C (fr) 2008-07-22
AU2001261816B2 (en) 2008-05-08

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Effective date: 20210526