JP7237188B2 - クロック同期方法、ネットワークノード及びコンピュータプログラム - Google Patents

クロック同期方法、ネットワークノード及びコンピュータプログラム Download PDF

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JP7237188B2
JP7237188B2 JP2021555526A JP2021555526A JP7237188B2 JP 7237188 B2 JP7237188 B2 JP 7237188B2 JP 2021555526 A JP2021555526 A JP 2021555526A JP 2021555526 A JP2021555526 A JP 2021555526A JP 7237188 B2 JP7237188 B2 JP 7237188B2
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network node
control plane
plane network
visited
time parameter
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JP2022525214A (ja
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涛 王
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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    • 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
    • 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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697—Synchronisation in a packet node
    • 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
    • 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
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • 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
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • 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
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems

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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)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP2021555526A 2019-09-27 2020-09-14 クロック同期方法、ネットワークノード及びコンピュータプログラム Active JP7237188B2 (ja)

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JP2023002474A JP7584846B2 (ja) 2019-09-27 2023-01-11 クロック同期方法、ネットワークノード及び記憶媒体

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CN201910931948.1A CN110535552B (zh) 2019-09-27 2019-09-27 网络节点执行的方法以及相应的网络节点
CN201910931948.1 2019-09-27
PCT/CN2020/115050 WO2021057522A1 (zh) 2019-09-27 2020-09-14 时钟同步的方法、网络节点和存储介质

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US (2) US12047164B2 (enExample)
EP (1) EP4037211A4 (enExample)
JP (2) JP7237188B2 (enExample)
KR (2) KR102561518B1 (enExample)
CN (2) CN113193932B (enExample)
WO (1) WO2021057522A1 (enExample)

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CN111757391B (zh) * 2019-03-29 2024-04-12 华为技术有限公司 一种通信方法及装置
CN113193932B (zh) 2019-09-27 2022-08-23 腾讯科技（深圳）有限公司 网络节点执行的方法以及相应的网络节点
KR102371921B1 (ko) * 2020-01-06 2022-03-08 삼성전자 주식회사 이동통신 시스템에서 시간에 민감한 통신 지원 정보 갱신 방법 및 장치
CN113260039B (zh) 2020-02-13 2023-04-07 维沃移动通信有限公司 信息控制方法及通信设备
CN111490841B (zh) 2020-03-23 2024-05-31 腾讯科技（深圳）有限公司 用于实现时间同步的方法及相关设备
WO2022016365A1 (en) * 2020-07-21 2022-01-27 Zte Corporation Traffic pattern handling
CN117501739A (zh) * 2021-09-14 2024-02-02 Oppo广东移动通信有限公司 信息传输的方法、装置、设备及存储介质

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CN110535552A (zh) 2019-12-03
EP4037211A1 (en) 2022-08-03
JP7584846B2 (ja) 2024-11-18
CN110535552B (zh) 2021-07-20
US20220006549A1 (en) 2022-01-06
EP4037211A4 (en) 2022-11-23
KR20210132187A (ko) 2021-11-03
JP2023063284A (ja) 2023-05-09
KR20230048451A (ko) 2023-04-11
KR102561518B1 (ko) 2023-08-01
US12470314B2 (en) 2025-11-11
US20240333412A1 (en) 2024-10-03
WO2021057522A1 (zh) 2021-04-01
KR102516228B1 (ko) 2023-03-31
CN113193932B (zh) 2022-08-23
JP2022525214A (ja) 2022-05-11
US12047164B2 (en) 2024-07-23
CN113193932A (zh) 2021-07-30

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