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WO2012103849A3 - 无源光网络的测距方法、系统和装置 - Google Patents

无源光网络的测距方法、系统和装置 Download PDF

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Publication number
WO2012103849A3
WO2012103849A3 PCT/CN2012/073780 CN2012073780W WO2012103849A3 WO 2012103849 A3 WO2012103849 A3 WO 2012103849A3 CN 2012073780 W CN2012073780 W CN 2012073780W WO 2012103849 A3 WO2012103849 A3 WO 2012103849A3
Authority
WO
WIPO (PCT)
Prior art keywords
ranging
onts
optical network
passive optical
ranging method
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.)
Ceased
Application number
PCT/CN2012/073780
Other languages
English (en)
French (fr)
Other versions
WO2012103849A2 (zh
Inventor
梁选勤
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 EP12742367.1A priority Critical patent/EP2615747A4/en
Priority to CN2012800002909A priority patent/CN102687427A/zh
Priority to PCT/CN2012/073780 priority patent/WO2012103849A2/zh
Publication of WO2012103849A2 publication Critical patent/WO2012103849A2/zh
Publication of WO2012103849A3 publication Critical patent/WO2012103849A3/zh
Priority to TW102112806A priority patent/TW201342826A/zh
Priority to US13/904,471 priority patent/US20130272699A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • 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
    • 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
    • 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
    • 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
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computing Systems (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例提供一种无源光网络的测距方法，包括：为至少两个光网络终端ONT分配测距带宽，并通过同一个下行帧将测距带宽信息提供给所述至少两个ONT;开启在所述至少两个ONT的测距过程中暂停其他ONT的上行发送的静默窗；在所述静默窗内接收所述至少两个ONT的测距应答，并依据所述至少两个ONT的测距应答，计算所述至少两个ONT的测距结果。本发明实施例还提供一种无源光网络的测距装置和无源光网络系统。
PCT/CN2012/073780 2012-04-11 2012-04-11 无源光网络的测距方法、系统和装置 Ceased WO2012103849A2 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12742367.1A EP2615747A4 (en) 2012-04-11 2012-04-11 TELEMETRY METHOD FOR PASSIVE OPTICAL NETWORK, SYSTEM AND DEVICE
CN2012800002909A CN102687427A (zh) 2012-04-11 2012-04-11 无源光网络的测距方法、系统和装置
PCT/CN2012/073780 WO2012103849A2 (zh) 2012-04-11 2012-04-11 无源光网络的测距方法、系统和装置
TW102112806A TW201342826A (zh) 2012-04-11 2013-04-11 被動式光纖網路的測距方法、系統和裝置
US13/904,471 US20130272699A1 (en) 2012-04-11 2013-05-29 Ranging method, system, and apparatus for passive optical network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/073780 WO2012103849A2 (zh) 2012-04-11 2012-04-11 无源光网络的测距方法、系统和装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/904,471 Continuation US20130272699A1 (en) 2012-04-11 2013-05-29 Ranging method, system, and apparatus for passive optical network

Publications (2)

Publication Number Publication Date
WO2012103849A2 WO2012103849A2 (zh) 2012-08-09
WO2012103849A3 true WO2012103849A3 (zh) 2013-03-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/073780 Ceased WO2012103849A2 (zh) 2012-04-11 2012-04-11 无源光网络的测距方法、系统和装置

Country Status (5)

Country Link
US (1) US20130272699A1 (zh)
EP (1) EP2615747A4 (zh)
CN (1) CN102687427A (zh)
TW (1) TW201342826A (zh)
WO (1) WO2012103849A2 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025511A (zh) * 2012-12-20 2014-09-03 华为技术有限公司 一种无源光网络中的业务保护方法、光线路终端及系统
WO2016023180A1 (zh) * 2014-08-13 2016-02-18 华为技术有限公司 无源光网络的通信方法、装置以及系统
WO2016027820A1 (ja) * 2014-08-22 2016-02-25 日本電信電話株式会社 光伝送システムにおける局側装置、光伝送システム及び光伝送方法
CN104506972B (zh) * 2015-01-07 2018-02-13 烽火通信科技股份有限公司 一种xgpon系统保护倒换的快速测距方法
CN106937184B (zh) * 2015-12-29 2021-08-06 中兴通讯股份有限公司 一种实现激活的方法及装置
KR102433853B1 (ko) 2016-03-28 2022-08-19 한국전자통신연구원 수동형 광 네트워크 시스템에서의 콰이어트 윈도우 설정 방법 및 그 장치
KR102217710B1 (ko) 2016-11-23 2021-02-18 후아웨이 테크놀러지 컴퍼니 리미티드 수동 광통신망 시스템, 광 회선 단말, 및 광통신망 유닛
JP6877566B2 (ja) 2017-02-28 2021-05-26 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 受動光ネットワークシステムにおける通信方法、光回線終端装置、及び光ネットワークユニット
JP6822996B2 (ja) * 2018-03-13 2021-01-27 日本電信電話株式会社 帯域割当装置及び帯域割当方法
CN110320525B (zh) * 2018-03-28 2023-12-29 北醒（北京）光子科技有限公司 一种多台光测距装置协同测距方法及系统
CN116980783A (zh) 2018-04-26 2023-10-31 中兴通讯股份有限公司 开放安静窗口的方法和装置以及注册方法、装置
CN110943783B (zh) * 2018-09-25 2022-08-19 中兴通讯股份有限公司 光网络的测距方法、olt、onu、光网络系统
EP3683982A1 (en) * 2019-01-15 2020-07-22 Nokia Solutions and Networks Oy A method for ranging in a passive optical network, an optical endpoint and optical central office
JP7439912B2 (ja) * 2020-04-14 2024-02-28 日本電信電話株式会社 光通信システム及び親局装置
JP7409515B2 (ja) * 2020-08-27 2024-01-09 日本電信電話株式会社 情報処理システム及び情報処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101162963A (zh) * 2006-10-13 2008-04-16 日立通讯技术株式会社 基站侧通信装置及光通信系统
CN101394229A (zh) * 2007-09-21 2009-03-25 日立通讯技术株式会社 无源光网络系统和测距方法
CN102082976A (zh) * 2009-11-27 2011-06-01 中兴通讯股份有限公司 一种无源光网络中数据发送的方法和系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100833504B1 (ko) * 2006-12-05 2008-05-29 한국전자통신연구원 단일 스프리터를 이용한 ｐｏｎ 부분 이중 보호 스위칭장치 및 방법
JP5114184B2 (ja) * 2007-12-21 2013-01-09 株式会社日立製作所 ネットワークシステム、ｏｎｕ及びｏｌｔ
CN101998183B (zh) * 2009-08-10 2015-05-13 中兴通讯股份有限公司 一种无源光网络中ploam消息的传输方法及组装方法

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN101162963A (zh) * 2006-10-13 2008-04-16 日立通讯技术株式会社 基站侧通信装置及光通信系统
CN101394229A (zh) * 2007-09-21 2009-03-25 日立通讯技术株式会社 无源光网络系统和测距方法
CN102082976A (zh) * 2009-11-27 2011-06-01 中兴通讯股份有限公司 一种无源光网络中数据发送的方法和系统

Also Published As

Publication number Publication date
CN102687427A (zh) 2012-09-19
WO2012103849A2 (zh) 2012-08-09
TW201342826A (zh) 2013-10-16
EP2615747A2 (en) 2013-07-17
US20130272699A1 (en) 2013-10-17
EP2615747A4 (en) 2014-01-08

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