CN111464252B - 通信方法和光模块 - Google Patents

通信方法和光模块 Download PDF

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Publication number
CN111464252B
CN111464252B CN201910059723.1A CN201910059723A CN111464252B CN 111464252 B CN111464252 B CN 111464252B CN 201910059723 A CN201910059723 A CN 201910059723A CN 111464252 B CN111464252 B CN 111464252B
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China
Prior art keywords
optical module
delay
data stream
optical
time delay
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CN201910059723.1A
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Chinese (zh)
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CN111464252A (zh
Inventor
祁云磊
李春荣
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201910059723.1A priority Critical patent/CN111464252B/zh
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN202310029204.7A priority patent/CN115913442B/zh
Priority to PCT/CN2019/129697 priority patent/WO2020151458A1/zh
Priority to EP19911499.2A priority patent/EP3902165A4/en
Priority to MX2021008729A priority patent/MX2021008729A/es
Priority to JP2021542439A priority patent/JP7482884B2/ja
Publication of CN111464252A publication Critical patent/CN111464252A/zh
Priority to US17/368,986 priority patent/US11876884B2/en
Application granted granted Critical
Publication of CN111464252B publication Critical patent/CN111464252B/zh
Priority to JP2023115753A priority patent/JP7637724B2/ja
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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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
    • 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
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/40—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • 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
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • 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
    • 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
    • H04J3/0691—Synchronisation in a TDM node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0045—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1336—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/36—Synchronisation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN201910059723.1A 2019-01-22 2019-01-22 通信方法和光模块 Active CN111464252B (zh)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CN202310029204.7A CN115913442B (zh) 2019-01-22 2019-01-22 通信方法和光模块
CN201910059723.1A CN111464252B (zh) 2019-01-22 2019-01-22 通信方法和光模块
EP19911499.2A EP3902165A4 (en) 2019-01-22 2019-12-30 Communication method and optical module
MX2021008729A MX2021008729A (es) 2019-01-22 2019-12-30 Metodo de comunicacion y modulo optico.
PCT/CN2019/129697 WO2020151458A1 (zh) 2019-01-22 2019-12-30 通信方法和光模块
JP2021542439A JP7482884B2 (ja) 2019-01-22 2019-12-30 通信方法および光モジュール
US17/368,986 US11876884B2 (en) 2019-01-22 2021-07-07 Communication method and optical module
JP2023115753A JP7637724B2 (ja) 2019-01-22 2023-07-14 通信方法および光モジュール

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CN201910059723.1A CN111464252B (zh) 2019-01-22 2019-01-22 通信方法和光模块

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CN111464252B true CN111464252B (zh) 2023-01-06

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EP (1) EP3902165A4 (cg-RX-API-DMAC7.html)
JP (2) JP7482884B2 (cg-RX-API-DMAC7.html)
CN (2) CN111464252B (cg-RX-API-DMAC7.html)
MX (1) MX2021008729A (cg-RX-API-DMAC7.html)
WO (1) WO2020151458A1 (cg-RX-API-DMAC7.html)

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JP7448020B2 (ja) * 2020-09-15 2024-03-12 日本電信電話株式会社 時刻同期システム、受信サーバ及び時刻同期方法
CN114389747A (zh) * 2020-10-22 2022-04-22 华为技术有限公司 数据传输方法及其相关装置
CN114430302B (zh) * 2020-10-29 2025-05-06 南京中兴新软件有限责任公司 时间同步方法及装置
CN114696896B (zh) * 2020-12-30 2024-11-29 华为技术有限公司 一种延时测量方法以及装置
CN115996434B (zh) * 2021-10-18 2025-11-28 大唐移动通信设备有限公司 一种参数配置方法及装置
CN114285478B (zh) * 2021-12-22 2024-11-08 上海航天科工电器研究院有限公司 一种基于usb2.0信号传输的光端机及传输方法
US12567919B2 (en) * 2022-02-09 2026-03-03 Intel Corporation Optical and electrical modules with enhanced features
CN118157809A (zh) * 2022-12-06 2024-06-07 华为技术有限公司 一种时延信息传输方法、时钟恢复方法及装置
US12659040B2 (en) * 2023-11-28 2026-06-16 Ciena Corporation Optical delay compensation in optical modules

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Also Published As

Publication number Publication date
CN115913442A (zh) 2023-04-04
CN111464252A (zh) 2020-07-28
EP3902165A4 (en) 2022-03-09
WO2020151458A1 (zh) 2020-07-30
JP7482884B2 (ja) 2024-05-14
JP2023130494A (ja) 2023-09-20
CN115913442B (zh) 2025-10-31
JP7637724B2 (ja) 2025-02-28
EP3902165A1 (en) 2021-10-27
US20210336762A1 (en) 2021-10-28
US11876884B2 (en) 2024-01-16
JP2022518268A (ja) 2022-03-14
MX2021008729A (es) 2021-08-24

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