CN115956239A - 时间同步方法及相关设备 - Google Patents

时间同步方法及相关设备 Download PDF

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Publication number
CN115956239A
CN115956239A CN202180050921.7A CN202180050921A CN115956239A CN 115956239 A CN115956239 A CN 115956239A CN 202180050921 A CN202180050921 A CN 202180050921A CN 115956239 A CN115956239 A CN 115956239A
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China
Prior art keywords
time
processor
standard
register
value
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CN202180050921.7A
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English (en)
Inventor
戴真
由佳礼
江小华
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN115956239A publication Critical patent/CN115956239A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163—Interprocessor communication
    • G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electric Clocks (AREA)

Abstract

本申请提供一种时间同步方法及相关设备，所述方法应用于电子设备，电子设备包括第一处理器和第二处理器，第一处理器为通信处理器，第二处理器包括计时器，该方法包括：第一处理器获取标准时间后，向第二处理器发出时间同步通知；第二处理器接收到时间同步通知后，重置计时器开始计时，并从第一处理器读取标准时间；第二处理器读取到标准时间之后，获取计时器统计的第一时差；第二处理器根据标准时间和第一时差确定第二处理器的基准时间。本申请可以在第二处理器中实现精准的时间同步。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202180050921.7A 2021-01-22 2021-01-22 时间同步方法及相关设备 Pending CN115956239A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/073222 WO2022155879A1 (zh) 2021-01-22 2021-01-22 时间同步方法及相关设备

Publications (1)

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CN115956239A true CN115956239A (zh) 2023-04-11

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CN202180050921.7A Pending CN115956239A (zh) 2021-01-22 2021-01-22 时间同步方法及相关设备

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CN (1) CN115956239A (zh)
WO (1) WO2022155879A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117251022B (zh) * 2023-11-17 2024-03-12 苏州元脑智能科技有限公司 绝对时间的获取方法、装置、存储介质及电子装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101542016B1 (ko) * 2014-09-17 2015-08-05 성균관대학교산학협력단 차량 내 이종 네트워크 도메인들 간의 동기화 게이트웨이 장치 및 동기화 방법
CN104597878A (zh) * 2014-12-31 2015-05-06 重庆川仪自动化股份有限公司 工业控制系统的控制器时间同步方法
CN106095721A (zh) * 2016-06-27 2016-11-09 深圳市金溢科技股份有限公司 一种时间同步方法、系统及车载单元
CN107276709B (zh) * 2017-04-21 2019-02-01 广州明珞汽车装备有限公司 一种时间同步方法及系统

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