WO2012092903A3 - 延迟的测量方法及光传送网络设备 - Google Patents

延迟的测量方法及光传送网络设备 Download PDF

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Publication number
WO2012092903A3
WO2012092903A3 PCT/CN2012/071110 CN2012071110W WO2012092903A3 WO 2012092903 A3 WO2012092903 A3 WO 2012092903A3 CN 2012071110 W CN2012071110 W CN 2012071110W WO 2012092903 A3 WO2012092903 A3 WO 2012092903A3
Authority
WO
WIPO (PCT)
Prior art keywords
otn
delay
transport network
delay measurement
optical transport
Prior art date
Application number
PCT/CN2012/071110
Other languages
English (en)
French (fr)
Other versions
WO2012092903A2 (zh
Inventor
谈迁
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12732331.9A priority Critical patent/EP2597790A2/en
Priority to PCT/CN2012/071110 priority patent/WO2012092903A2/zh
Priority to CN2012800002097A priority patent/CN102687526A/zh
Priority to BR112013009398A priority patent/BR112013009398A2/pt
Publication of WO2012092903A2 publication Critical patent/WO2012092903A2/zh
Publication of WO2012092903A3 publication Critical patent/WO2012092903A3/zh
Priority to US13/898,158 priority patent/US20130266323A1/en

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Classifications

    • 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
    • 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
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
    • H04B10/25754—Star network topology
    • 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
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • 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
    • H04J3/0647—Synchronisation among TDM nodes
    • H04J3/065—Synchronisation among TDM nodes using timestamps
    • 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
    • H04Q2011/0079—Operation or maintenance aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例提供了一种延迟的测量方法及光传送网络设备，涉及通信领域，所述方法包括：根据光传送网中的第一光传送网络设备到第二光传送网络设备的延迟信息获取业务数据从所述第一光传送网络设备传送到第二光传送网络设备的延迟；根据所述延迟调整所述业务数据在所述光传送网中驻留的时间，使所述时间等于预设的基准延迟。所述设备包括：获取模块和补偿模块。本发明通过上述方法，能够准确测量上下行延迟，并将业务数据在光传送网中驻留的时间调整成与基准延迟相一致，解决了现有技术中上下行延迟不对称导致的延迟测量不准确的问题。
PCT/CN2012/071110 2012-02-14 2012-02-14 延迟的测量方法及光传送网络设备 WO2012092903A2 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12732331.9A EP2597790A2 (en) 2012-02-14 2012-02-14 Delay measurement method and optical transport network device
PCT/CN2012/071110 WO2012092903A2 (zh) 2012-02-14 2012-02-14 延迟的测量方法及光传送网络设备
CN2012800002097A CN102687526A (zh) 2012-02-14 2012-02-14 延迟的测量方法及光传送网络设备
BR112013009398A BR112013009398A2 (pt) 2012-02-14 2012-03-14 método de medição de retardo e dispositivo de rede de transporte ótico
US13/898,158 US20130266323A1 (en) 2012-02-14 2013-05-20 Delay measurement method and optical transport network device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/071110 WO2012092903A2 (zh) 2012-02-14 2012-02-14 延迟的测量方法及光传送网络设备

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/898,158 Continuation US20130266323A1 (en) 2012-02-14 2013-05-20 Delay measurement method and optical transport network device

Publications (2)

Publication Number Publication Date
WO2012092903A2 WO2012092903A2 (zh) 2012-07-12
WO2012092903A3 true WO2012092903A3 (zh) 2013-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/071110 WO2012092903A2 (zh) 2012-02-14 2012-02-14 延迟的测量方法及光传送网络设备

Country Status (5)

Country Link
US (1) US20130266323A1 (zh)
EP (1) EP2597790A2 (zh)
CN (1) CN102687526A (zh)
BR (1) BR112013009398A2 (zh)
WO (1) WO2012092903A2 (zh)

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CN104737476B (zh) 2012-08-22 2018-07-13 瑞典爱立信有限公司 在面向连接的通信网络上分布路径延迟数据的方法及相应设备和机器可读介质
EP2893657B1 (en) * 2012-09-06 2019-06-26 Telefonaktiebolaget LM Ericsson (publ) Use of common public radio interface over asymmetric networks
CN103051383A (zh) * 2012-11-30 2013-04-17 华为技术有限公司 处理信息的方法和设备
US9473261B1 (en) 2013-08-29 2016-10-18 Microsemi Storage Solutions (U.S.), Inc. System and method to achieve datapath latency symmetry through an OTN wrapper
CN103684908B (zh) * 2013-11-29 2017-06-06 华为技术有限公司 延时测量方法、装置及系统
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
US9451571B2 (en) * 2014-09-22 2016-09-20 Alcatel Lucent Determining uplink and downlink delays between a baseband unit and a remote radio head
CN105704806B (zh) * 2014-11-28 2020-06-12 中兴通讯股份有限公司 一种数据传输时延的校正方法及装置
US10880951B2 (en) * 2015-01-13 2020-12-29 Raniot Technologies Oy Base station for controlling a transmission of data packets and a method thereto
US9525482B1 (en) 2015-02-09 2016-12-20 Microsemi Storage Solutions (U.S.), Inc. Apparatus and method for measurement of propagation time of a data stream in a transport network
WO2016155828A1 (en) * 2015-04-01 2016-10-06 Telefonaktiebolaget Lm Ericsson (Publ) A network node
CN106162860B (zh) * 2015-04-27 2020-01-03 华为技术有限公司 一种时间同步的方法及系统、网络设备
CN106937305B (zh) * 2015-12-30 2020-10-27 华为技术有限公司 时延管理方法、传输网设备及通信系统
US10355801B2 (en) * 2016-09-15 2019-07-16 Futurewei Technologies, Inc. Unified mobile and TDM-PON uplink MAC scheduling for mobile front-haul
US10852440B2 (en) * 2017-01-09 2020-12-01 Wireless Telecom Group, Inc. Devices, systems and methods for digitally transporting signals in GNSS repeater systems using CPRI
CN108959143B (zh) * 2017-05-22 2023-06-27 中兴通讯股份有限公司 一种光传输网设备和业务处理方法
CN108809617B (zh) * 2018-04-18 2021-12-14 京信网络系统股份有限公司 一种时延补偿方法及终端
US10594423B1 (en) * 2019-09-09 2020-03-17 Cisco Technology, Inc. Re-timing a packetized radio flow to clean noise induced by packet delay variation of a packet network
US20220408390A1 (en) * 2019-11-07 2022-12-22 Ntt Docomo, Inc. Communication device
ES2964085T3 (es) 2019-12-30 2024-04-04 Rohde & Schwarz Método y sistema de control de tráfico aéreo para seleccionar la mejor señal de radio
CN116406517A (zh) * 2020-12-23 2023-07-07 华为技术有限公司 一种时延补偿方法及设备
CN112714490B (zh) * 2020-12-29 2022-07-29 京信网络系统股份有限公司 时延校准方法、装置、计算机设备和计算机可读存储介质
CN114172572A (zh) * 2021-12-20 2022-03-11 安徽皖通邮电股份有限公司 基于伪随机码检测光传送网络时延的方法及存储介质

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Also Published As

Publication number Publication date
WO2012092903A2 (zh) 2012-07-12
EP2597790A2 (en) 2013-05-29
BR112013009398A2 (pt) 2017-10-31
US20130266323A1 (en) 2013-10-10
CN102687526A (zh) 2012-09-19

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