CN115913442B - 通信方法和光模块 - Google Patents

通信方法和光模块

Info

Publication number
CN115913442B
CN115913442B CN202310029204.7A CN202310029204A CN115913442B CN 115913442 B CN115913442 B CN 115913442B CN 202310029204 A CN202310029204 A CN 202310029204A CN 115913442 B CN115913442 B CN 115913442B
Authority
CN
China
Prior art keywords
delay
optical
data stream
optical module
indication signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310029204.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN115913442A (zh
Inventor
祁云磊
李春荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN202310029204.7A priority Critical patent/CN115913442B/zh
Publication of CN115913442A publication Critical patent/CN115913442A/zh
Application granted granted Critical
Publication of CN115913442B publication Critical patent/CN115913442B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • 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)
CN202310029204.7A 2019-01-22 2019-01-22 通信方法和光模块 Active CN115913442B (zh)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910059723.1A CN111464252B (zh) 2019-01-22 2019-01-22 通信方法和光模块
CN202310029204.7A CN115913442B (zh) 2019-01-22 2019-01-22 通信方法和光模块

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201910059723.1A Division CN111464252B (zh) 2019-01-22 2019-01-22 通信方法和光模块

Publications (2)

Publication Number Publication Date
CN115913442A CN115913442A (zh) 2023-04-04
CN115913442B true CN115913442B (zh) 2025-10-31

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

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US (1) US11876884B2 (enExample)
EP (1) EP3902165A4 (enExample)
JP (2) JP7482884B2 (enExample)
CN (2) CN115913442B (enExample)
MX (1) MX2021008729A (enExample)
WO (1) WO2020151458A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165865A2 (en) 2016-03-24 2017-09-28 Lutron Electronics Co., Inc Gesture-based control device for controlling an electrical load
WO2022059049A1 (ja) * 2020-09-15 2022-03-24 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
US20250175254A1 (en) * 2023-11-28 2025-05-29 Ciena Corporation Optical delay compensation in optical modules

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105323030A (zh) * 2014-06-30 2016-02-10 中兴通讯股份有限公司 一种延时补偿的方法及装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349653A (en) * 1990-10-12 1994-09-20 Hitachi, Ltd. Apparatus for converting parallel bits of an electrical data signal into serial bits of an optical data signal utilizing an optical time delay
JP2009239527A (ja) * 2008-03-26 2009-10-15 Nec Saitama Ltd 移動通信無線システム
US9118728B2 (en) * 2009-03-04 2015-08-25 Broadcom Corporation Method and system for determining physical layer traversal time
US9065736B2 (en) * 2009-06-08 2015-06-23 Broadcom Corporation Method and system for compensated time stamping for time-sensitive network communications
CN102111380B (zh) * 2009-12-25 2014-05-07 华为技术有限公司 一种时间同步的方法、设备及系统
CN101827098A (zh) * 2010-03-31 2010-09-08 中兴通讯股份有限公司 时间同步的处理方法及装置
WO2012105354A1 (ja) 2011-02-03 2012-08-09 株式会社村田製作所 光モジュール
US9608755B2 (en) * 2011-02-23 2017-03-28 Ciena Corporation Network element clock synchronization systems and methods using optical transport network delay measurement
CN102244572B (zh) * 2011-07-18 2017-06-06 中兴通讯股份有限公司 一种实现时钟同步的方法及装置
EP2555465A4 (en) * 2012-02-01 2013-12-18 Huawei Tech Co Ltd METHOD, DEVICE AND SYSTEM FOR SYNCHRONIZATION
US20150244455A1 (en) * 2012-03-27 2015-08-27 Hangzhou H3C Technologies Co., Ltd. Calculating time offset
US8873963B2 (en) * 2012-07-25 2014-10-28 Doron Handelman Apparatus and methods for generating and receiving optical signals at substantially 100Gb/s and beyond
CN104113517A (zh) 2013-04-22 2014-10-22 华为技术有限公司 时间戳生成方法、装置及系统
US9830298B2 (en) * 2013-05-15 2017-11-28 Qualcomm Incorporated Media time based USB frame counter synchronization for Wi-Fi serial bus
CN107925635A (zh) * 2015-09-24 2018-04-17 华为技术有限公司 一种发送和接收光传送网otn信号的方法、otn设备和系统
CN105743570B (zh) * 2016-01-27 2019-05-24 南京典格通信科技有限公司 一种测量与校正数字光纤分布系统时延的方法及装置
JP2018037811A (ja) * 2016-08-30 2018-03-08 富士通株式会社 光モジュール、光伝送装置および光モジュールの劣化判定方法
US10341083B2 (en) * 2016-09-09 2019-07-02 Huawei Technologies Co., Ltd. System and methods for network synchronization
JP2018182647A (ja) 2017-04-20 2018-11-15 富士通株式会社 光伝送装置
CN113365340B (zh) * 2017-06-30 2024-07-05 华为技术有限公司 时间同步方法及设备
CN113612564B (zh) * 2017-08-23 2024-06-14 华为技术有限公司 一种报文处理的方法和网络设备
CN108650051B (zh) * 2018-05-10 2019-06-21 西安电子科技大学 通用全硬件一步式1588的时钟同步装置及方法
EP3678310B1 (en) * 2019-01-04 2021-03-10 ADVA Optical Networking SE A method for removing static differential delays between signals transported over an optical transport network

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105323030A (zh) * 2014-06-30 2016-02-10 中兴通讯股份有限公司 一种延时补偿的方法及装置

Also Published As

Publication number Publication date
JP2022518268A (ja) 2022-03-14
EP3902165A1 (en) 2021-10-27
US11876884B2 (en) 2024-01-16
JP2023130494A (ja) 2023-09-20
CN111464252B (zh) 2023-01-06
JP7637724B2 (ja) 2025-02-28
US20210336762A1 (en) 2021-10-28
CN115913442A (zh) 2023-04-04
WO2020151458A1 (zh) 2020-07-30
JP7482884B2 (ja) 2024-05-14
EP3902165A4 (en) 2022-03-09
CN111464252A (zh) 2020-07-28
MX2021008729A (es) 2021-08-24

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