CN110100397A - 时延测量方法及站点 - Google Patents

时延测量方法及站点 Download PDF

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Publication number
CN110100397A
CN110100397A CN201780077328.5A CN201780077328A CN110100397A CN 110100397 A CN110100397 A CN 110100397A CN 201780077328 A CN201780077328 A CN 201780077328A CN 110100397 A CN110100397 A CN 110100397A
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China
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website
osc signal
time
reception
light path
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CN201780077328.5A
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CN110100397B (zh
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李邦旭
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JIANGSU SIGAS MEASUREMENT AND CONTROL EQUIPMENT Co.,Ltd.
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Huawei Technologies Co Ltd
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    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • 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
    • 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
    • H04Q11/0062—Network aspects
    • 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
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13172—Supervisory signals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Optical Communication System (AREA)

Abstract

本申请公开了一种时延测量方法及站点。其中的方法包括：第一站点控制光路选择器工作在第一状态，选择第一光纤向第二站点发送第一OSC信号，第一OSC信号包括第一时间戳；然后控制光路选择器工作在第二状态，在第二接收时刻选择第一光纤从第二站点接收第二OSC信号，第二OSC信号包括第二时间戳；再根据第一发送时刻、第一接收时刻、第二发送时刻和第二接收时刻计算第一站点和第二站点之间的单向传输时延。还公开了相应的站点。通过光路选择器进行光路的切换，使得包括时间戳的两路OSC信号在波长值之差小于预设的范围的同一根光纤中传输，从而根据该时间戳可准确地测量两个站点之间的单向传输时延。

Description

PCT国内申请，说明书已公开。

Claims (28)

  1. PCT国内申请，权利要求书已公开。
CN201780077328.5A 2017-05-31 2017-05-31 时延测量方法及站点 Active CN110100397B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/086619 WO2018218511A1 (zh) 2017-05-31 2017-05-31 时延测量方法及站点

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CN110100397A true CN110100397A (zh) 2019-08-06
CN110100397B CN110100397B (zh) 2021-06-08

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US (1) US20200099444A1 (zh)
CN (1) CN110100397B (zh)
WO (1) WO2018218511A1 (zh)

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CN115250243A (zh) * 2022-07-22 2022-10-28 中国电信股份有限公司 时延数据测量方法、装置、系统、电子设备及存储介质

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SE542201C2 (en) * 2017-11-22 2020-03-10 Nida Tech Sweden Ab Method for determining a distance between two nodes
JP7234801B2 (ja) * 2019-05-28 2023-03-08 富士通株式会社 伝送装置及び伝送方法
WO2022249347A1 (ja) * 2021-05-26 2022-12-01 日本電信電話株式会社 光通信装置、信号処理装置、光通信方法、及び信号処理方法

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JP4331949B2 (ja) * 2003-01-23 2009-09-16 株式会社日立製作所 波長多重光伝送装置
CN103210690A (zh) * 2011-09-09 2013-07-17 华为技术有限公司 一种时间同步的方法和系统及节点设备
CN104429002A (zh) * 2012-05-16 2015-03-18 瑞典爱立信有限公司 确定光通信网络中的光通信路径的特性
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115250243A (zh) * 2022-07-22 2022-10-28 中国电信股份有限公司 时延数据测量方法、装置、系统、电子设备及存储介质

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WO2018218511A1 (zh) 2018-12-06
US20200099444A1 (en) 2020-03-26

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