WO2011144051A3 - 数据传输方法、光线路终端和系统 - Google Patents

数据传输方法、光线路终端和系统 Download PDF

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Publication number
WO2011144051A3
WO2011144051A3 PCT/CN2011/074370 CN2011074370W WO2011144051A3 WO 2011144051 A3 WO2011144051 A3 WO 2011144051A3 CN 2011074370 W CN2011074370 W CN 2011074370W WO 2011144051 A3 WO2011144051 A3 WO 2011144051A3
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WO
WIPO (PCT)
Prior art keywords
coding
transmission method
line terminal
data
data transmission
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Application number
PCT/CN2011/074370
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English (en)
French (fr)
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WO2011144051A2 (zh
Inventor
董恩升
郑盛巍
聂世玮
Original Assignee
华为技术有限公司
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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 CN2011800006360A priority Critical patent/CN102239652A/zh
Priority to PCT/CN2011/074370 priority patent/WO2011144051A2/zh
Publication of WO2011144051A2 publication Critical patent/WO2011144051A2/zh
Publication of WO2011144051A3 publication Critical patent/WO2011144051A3/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0046—Code rate detection or code type detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)

Abstract

本发明公开了一种应用于10GEPON中的数据传输方法、OLT和系统，属于光通信领域。所述方法包括：对与ONU之间的链路质量进行检测；根据检测结果确定数据块长度，按照所述数据块长度确定RS编码算法的参数；根据所述RS编码算法的参数，用RS编码算法对下行链路数据进行FEC编码后，发送给所述ONU。OLT包括：检测模块、编码模块和发送模块。系统包括：OLT和ONU。本发明实现自适应选择FEC编码，提高了网络带宽的利用率。
PCT/CN2011/074370 2011-05-20 2011-05-20 数据传输方法、光线路终端和系统 WO2011144051A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800006360A CN102239652A (zh) 2011-05-20 2011-05-20 数据传输方法、光线路终端和系统
PCT/CN2011/074370 WO2011144051A2 (zh) 2011-05-20 2011-05-20 数据传输方法、光线路终端和系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/074370 WO2011144051A2 (zh) 2011-05-20 2011-05-20 数据传输方法、光线路终端和系统

Publications (2)

Publication Number Publication Date
WO2011144051A2 WO2011144051A2 (zh) 2011-11-24
WO2011144051A3 true WO2011144051A3 (zh) 2012-04-26

Family

ID=44888878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/074370 WO2011144051A2 (zh) 2011-05-20 2011-05-20 数据传输方法、光线路终端和系统

Country Status (2)

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CN (1) CN102239652A (zh)
WO (1) WO2011144051A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109327224B (zh) 2013-05-07 2022-04-05 华为技术有限公司 一种编码及解码的方法、设备和系统
WO2015006908A1 (zh) * 2013-07-15 2015-01-22 华为技术有限公司 突发数据块中的空闲块idle的处理方法、设备及系统
CN109787709B (zh) * 2017-11-14 2022-04-19 中兴通讯股份有限公司 无源光网络，编解码确定方法及装置
CN112242871B (zh) * 2019-07-19 2023-03-28 上海诺基亚贝尔股份有限公司 用于光通信的方法、设备和计算机可读存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047470A (zh) * 2006-05-17 2007-10-03 华为技术有限公司 无源光网络中前向纠错功能的配置方法
EP2088707A1 (en) * 2008-02-07 2009-08-12 Nokia Siemens Networks Oy Method and device for processing data in an optical network and communication system comprising such device
CN101505202A (zh) * 2009-03-16 2009-08-12 华中科技大学 一种流媒体传输自适应纠错方法
CN101795174A (zh) * 2010-01-20 2010-08-04 华为技术有限公司 10g epon系统中的数据传输方法、装置及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047470A (zh) * 2006-05-17 2007-10-03 华为技术有限公司 无源光网络中前向纠错功能的配置方法
EP2088707A1 (en) * 2008-02-07 2009-08-12 Nokia Siemens Networks Oy Method and device for processing data in an optical network and communication system comprising such device
CN101505202A (zh) * 2009-03-16 2009-08-12 华中科技大学 一种流媒体传输自适应纠错方法
CN101795174A (zh) * 2010-01-20 2010-08-04 华为技术有限公司 10g epon系统中的数据传输方法、装置及系统

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Publication number Publication date
WO2011144051A2 (zh) 2011-11-24
CN102239652A (zh) 2011-11-09

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