CN107005955A - 时间同步方法、设备及系统 - Google Patents

时间同步方法、设备及系统 Download PDF

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Publication number
CN107005955A
CN107005955A CN201580061737.7A CN201580061737A CN107005955A CN 107005955 A CN107005955 A CN 107005955A CN 201580061737 A CN201580061737 A CN 201580061737A CN 107005955 A CN107005955 A CN 107005955A
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China
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target
root sequence
lead code
base station
source base
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CN201580061737.7A
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CN107005955B (zh
Inventor
王曼
胡军
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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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/249—Reselection being triggered by specific parameters according to timing information
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明提供了一种时间同步方法、设备及系统，涉及通信领域，所述方法包括：接收源基站发送的用于请求与所述目标基站进行时间同步的切换请求；向所述源基站发送切换请求确认信息，所述切换请求确认信息中包括用于指示所述源基站是否与所述目标基站进行时间同步的信息。本发明中的源基站可以根据目标基站发送的切换请求确认信息，确定是否需要与目标基站进行时间同步，丰富了目标基站发送的切换请求确认信息的内容，并且提高了源基站与目标基站在切换过程中进行时间同步的灵活性。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201580061737.7A 2015-08-07 2015-08-07 时间同步方法、设备及系统 Active CN107005955B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/086405 WO2017024452A1 (zh) 2015-08-07 2015-08-07 时间同步方法、设备及系统

Publications (2)

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CN107005955A true CN107005955A (zh) 2017-08-01
CN107005955B CN107005955B (zh) 2020-02-21

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CN201580061737.7A Active CN107005955B (zh) 2015-08-07 2015-08-07 时间同步方法、设备及系统

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Country Link
US (1) US10631209B2 (zh)
EP (1) EP3316630B1 (zh)
CN (1) CN107005955B (zh)
WO (1) WO2017024452A1 (zh)

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Also Published As

Publication number Publication date
EP3316630A4 (en) 2018-07-18
WO2017024452A1 (zh) 2017-02-16
US20180167849A1 (en) 2018-06-14
EP3316630B1 (en) 2022-03-30
CN107005955B (zh) 2020-02-21
EP3316630A1 (en) 2018-05-02
US10631209B2 (en) 2020-04-21

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