CA2745369A1 - Multiple redundant gnss synchronization system - Google Patents

Multiple redundant gnss synchronization system Download PDF

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Publication number
CA2745369A1
CA2745369A1 CA2745369A CA2745369A CA2745369A1 CA 2745369 A1 CA2745369 A1 CA 2745369A1 CA 2745369 A CA2745369 A CA 2745369A CA 2745369 A CA2745369 A CA 2745369A CA 2745369 A1 CA2745369 A1 CA 2745369A1
Authority
CA
Canada
Prior art keywords
time
base station
system node
internal clock
clock
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
CA2745369A
Other languages
English (en)
French (fr)
Inventor
Charles Nicholls
Michel Ouellette
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.)
Rockstar Consortium US LP
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of CA2745369A1 publication Critical patent/CA2745369A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • 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
    • 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
    • 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
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0081—Transmission between base stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electric Clocks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Treating Waste Gases (AREA)
CA2745369A 2008-12-03 2009-12-03 Multiple redundant gnss synchronization system Abandoned CA2745369A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11962808P 2008-12-03 2008-12-03
US61/119,628 2008-12-03
PCT/CA2009/001797 WO2010063127A1 (en) 2008-12-03 2009-12-03 Multiple redundant gnss synchronization system

Publications (1)

Publication Number Publication Date
CA2745369A1 true CA2745369A1 (en) 2010-06-10

Family

ID=42232850

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2745369A Abandoned CA2745369A1 (en) 2008-12-03 2009-12-03 Multiple redundant gnss synchronization system

Country Status (9)

Country Link
US (1) US20120082188A2 (https=)
EP (1) EP2361487A1 (https=)
JP (2) JP2012510763A (https=)
KR (1) KR20110102894A (https=)
CN (1) CN102308643B (https=)
BR (1) BRPI0923156A2 (https=)
CA (1) CA2745369A1 (https=)
RU (1) RU2529181C2 (https=)
WO (1) WO2010063127A1 (https=)

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US9844014B2 (en) 2010-06-11 2017-12-12 Sprint Spectrum L.P. Alternatives to satellite signals for synchronization in macro network
US9674807B2 (en) 2010-06-11 2017-06-06 Clearwire IP Holdings, LLC Subcarrier signal for synchronization in macro network
US8451814B2 (en) 2010-06-11 2013-05-28 Clearwire Ip Holdings Llc Carrier signals for synchronization
CN102075317B (zh) * 2011-01-24 2013-06-05 博威通讯系统(深圳)有限公司 一种家庭基站系统中可靠的时频同步方法及系统
US9182493B2 (en) * 2011-03-11 2015-11-10 Texas Instruments Incorporaed Fine time assistance for global navigation satellite systems
US8867404B2 (en) * 2012-02-03 2014-10-21 Futurewei Technologies, Inc. Node level vectoring synchronization
CN102869085B (zh) * 2012-09-12 2015-05-20 大唐移动通信设备有限公司 基站时钟同步系统和方法
KR101415067B1 (ko) * 2012-11-12 2014-07-04 국방과학연구소 이격 운용 시스템의 듀얼모드 시간 동기장치
DE102014208266A1 (de) * 2014-04-30 2015-11-05 Continental Teves Ag & Co. Ohg Zeitstempelerzeugung ohne GNSS-Signal
JP6301752B2 (ja) * 2014-06-25 2018-03-28 株式会社日立製作所 情報サービス表示システムおよび時刻同期方法
KR101596756B1 (ko) * 2014-11-03 2016-03-07 현대자동차주식회사 리던던트 그랜드마스터를 이용한 차량 내 네트워크 시간 동기화 제공 방법 및 장치
US10775749B2 (en) * 2015-04-17 2020-09-15 The Mitre Corporation Robust and resilient timing architecture for critical infrastructure
US10015216B2 (en) * 2015-08-06 2018-07-03 Qualcomm Incorporated Methods and systems for virtual conference system using personal communication devices
US11160040B2 (en) * 2016-11-01 2021-10-26 Lg Electronics Inc. Method and apparatus for transmitting a D2D signal by applying offset in wireless communication system
WO2018184220A1 (zh) * 2017-04-07 2018-10-11 深圳市台电实业有限公司 一种用于会议讨论系统冗余设计的音频同步系统
DE102017217051A1 (de) * 2017-09-26 2019-03-28 Spinner Gmbh Vorrichtung und Verfahren zur Übertragung von Daten zwischen zwei physikalischen Schnittstellen
CN110034829B (zh) * 2019-03-13 2020-11-06 深圳大学 一种多用户无线通信系统的抗干扰方法和装置
WO2021005517A1 (en) * 2019-07-08 2021-01-14 Abb Schweiz Ag Industrial device supporting multiple time synchronization protocols
NL2026210B1 (en) * 2020-08-04 2022-04-08 Fnv Ip Bv Timescale dissemination using global navigation satellite systems and applications thereof
WO2022111787A1 (en) * 2020-11-24 2022-06-02 Nokia Technologies Oy Method, apparatus and computer program
KR102328672B1 (ko) * 2020-12-17 2021-11-18 주식회사 지오플랜 하이브리드 동기화 방법 및 장치
KR102328671B1 (ko) * 2020-12-17 2021-11-18 주식회사 지오플랜 무선 동기화 방법 및 장치
US11604439B2 (en) 2020-12-28 2023-03-14 Waymo Llc GNSS time synchronization in redundant systems
CN118900157B (zh) * 2021-06-02 2025-12-16 安科讯(福建)科技有限公司 一种5g扩展型皮基站系统及其控制方法
US12320903B2 (en) * 2021-07-13 2025-06-03 Orolia Usa Inc. Multiple and cascaded redundant disciplined oscillator systems in a spoofing resistant reference time source system and methods thereof
CN115022956B (zh) * 2022-04-27 2024-01-12 海能达通信股份有限公司 自组织网络的同步方法、系统、电子设备及存储介质
US20250393001A1 (en) * 2024-06-19 2025-12-25 Qualcomm Incorporated Switching synchronization topology for a radio unit in a disaggregated network architecture

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US9467958B2 (en) * 2007-08-23 2016-10-11 Qualcomm Incorporated Method and apparatus for mitigating temporary loss of synchronization in a wireless communication system

Also Published As

Publication number Publication date
US20110243196A1 (en) 2011-10-06
RU2011126897A (ru) 2013-01-20
EP2361487A1 (en) 2011-08-31
RU2529181C2 (ru) 2014-09-27
WO2010063127A1 (en) 2010-06-10
BRPI0923156A2 (pt) 2016-02-10
KR20110102894A (ko) 2011-09-19
CN102308643A (zh) 2012-01-04
CN102308643B (zh) 2015-02-25
JP2012510763A (ja) 2012-05-10
US20120082188A2 (en) 2012-04-05
JP2015008545A (ja) 2015-01-15

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Legal Events

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EEER Examination request

Effective date: 20140630

FZDE Dead

Effective date: 20161205