CN111316719A - 一种时间同步方法及装置 - Google Patents

一种时间同步方法及装置 Download PDF

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Publication number
CN111316719A
CN111316719A CN201880070286.7A CN201880070286A CN111316719A CN 111316719 A CN111316719 A CN 111316719A CN 201880070286 A CN201880070286 A CN 201880070286A CN 111316719 A CN111316719 A CN 111316719A
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time
message
access network
terminal device
terminal equipment
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CN111316719B (zh
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于峰
于海凤
蔺波
于光炜
高峰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)

Abstract

一种时间同步方法及装置，其中方法包括：终端设备接收接入网设备发送的第一时间，获取第一传输时延，并根据所述第一传输时延和所述第一时间获取第四时间，以及根据所述第四时间同步所述终端设备的时间。如此，终端设备在同步所述终端设备的时间时，引入了第一传输时延，从而能够有效避免空口传输的时间误差，提高时间同步的准确性；且该时间同步方法具有较强的适用性，可以适用于不同状态的终端设备，比如空闲态、连接态以及去激活状态等。

Description

PCT国内申请，说明书已公开。

Claims (60)

  1. PCT国内申请，权利要求书已公开。
CN201880070286.7A 2017-11-16 2018-02-13 一种时间同步方法及装置 Active CN111316719B (zh)

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PCT/CN2017/111470 WO2019095241A1 (zh) 2017-11-16 2017-11-16 一种时间同步方法及装置
CNPCT/CN2017/111470 2017-11-16
PCT/CN2018/076780 WO2019095575A1 (zh) 2017-11-16 2018-02-13 一种时间同步方法及装置

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CN111316719B CN111316719B (zh) 2022-03-29

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US (1) US11310757B2 (zh)
EP (2) EP3703437B1 (zh)
KR (1) KR102341070B1 (zh)
CN (1) CN111316719B (zh)
AU (1) AU2018368222B2 (zh)
CA (1) CA3082719C (zh)
ES (1) ES2941495T3 (zh)
WO (2) WO2019095241A1 (zh)

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CN111989889A (zh) * 2018-04-04 2020-11-24 华为技术有限公司 通信方法及装置
CN112261715A (zh) * 2020-10-16 2021-01-22 锐迪科（重庆）微电子科技有限公司 室分通信系统的同步方法、装置及系统
CN113595667A (zh) * 2021-06-28 2021-11-02 北京中电飞华通信有限公司 一种用于电力终端的时间同步系统及其方法、基站
WO2023231465A1 (zh) * 2022-05-31 2023-12-07 华为技术有限公司 一种时间同步方法、通信装置及通信系统

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US11412470B2 (en) * 2018-02-16 2022-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Optimized time synchronization for a UE
EP3961969A1 (en) * 2019-04-26 2022-03-02 Ntt Docomo, Inc. Wireless base station
CA3157398A1 (en) * 2019-10-11 2021-04-15 Ntt Docomo, Inc. Terminal
CN113518322A (zh) * 2020-04-10 2021-10-19 华为技术有限公司 无线通信方法和通信装置
CN114745773A (zh) * 2021-01-07 2022-07-12 北京佰才邦技术股份有限公司 一种空口时间同步方法及通讯设备

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CN101075848A (zh) * 2007-07-05 2007-11-21 华为技术有限公司 一种微蜂窝网络基站同步的方法、系统和基站
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CN101917761A (zh) * 2010-08-13 2010-12-15 清华大学 一种无线网络中移动传感陌生节点入网的时间同步方法
CN103796296A (zh) * 2012-11-02 2014-05-14 中国移动通信集团公司 长期演进系统中的时间同步方法、用户设备及基站
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111989889A (zh) * 2018-04-04 2020-11-24 华为技术有限公司 通信方法及装置
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CN112261715A (zh) * 2020-10-16 2021-01-22 锐迪科（重庆）微电子科技有限公司 室分通信系统的同步方法、装置及系统
CN113595667A (zh) * 2021-06-28 2021-11-02 北京中电飞华通信有限公司 一种用于电力终端的时间同步系统及其方法、基站
CN113595667B (zh) * 2021-06-28 2024-05-07 北京中电飞华通信有限公司 一种用于电力终端的时间同步系统及其方法、基站
WO2023231465A1 (zh) * 2022-05-31 2023-12-07 华为技术有限公司 一种时间同步方法、通信装置及通信系统

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AU2018368222A1 (en) 2020-06-11
WO2019095241A1 (zh) 2019-05-23
CA3082719A1 (en) 2019-05-23
WO2019095575A1 (zh) 2019-05-23
EP3703437B1 (en) 2023-01-11
AU2018368222B2 (en) 2021-06-24
CN111316719B (zh) 2022-03-29
KR102341070B1 (ko) 2021-12-20
KR20200083591A (ko) 2020-07-08
US11310757B2 (en) 2022-04-19
EP3703437A4 (en) 2020-12-23
ES2941495T3 (es) 2023-05-23
EP3703437A1 (en) 2020-09-02
CA3082719C (en) 2023-02-28
EP4216620A1 (en) 2023-07-26
US20200280943A1 (en) 2020-09-03

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