北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2005, Vol. 28 ›› Issue (1): 70-74.doi: 10.13190/jbupt.200501.70.zhangt

• 论文 • 上一篇    下一篇

GPON系统中DBA方案设计与性能分析GPON系统中DBA方案设计与性能分析

张 涛, 李 玲   

  1. 北京邮电大学 电信工程学院, 北京 100876
  • 出版日期:2005-02-28 发布日期:2005-02-28

Design and Performance Analysis of GPON's Dynamic Bandwidth Assignment Scheme

ZHANG Tao, LI Ling   

  1. School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Online:2005-02-28 Published:2005-02-28

摘要:

作为媒质共享的树型网络,吉比特无源光网络(GPON)需要媒质接入控制(MAC)协议协调各终端对上行信道的访问,避免冲突。针对目前没有适合GPON系统的媒质介入控制协议,根据G.GPON.gtc建议对GPON系统帧格式的定义,提出了一种体现业务优先级的MAC协议,给出了授权分配情况,分析了协议的有效性,并给出了协议的计算机仿真的结果。

关键词: 无源光网络, 媒质接入控制, 动态带宽分配

Abstract:

As media-shared network, gigabit-capable passive optical networks (GPON) needs some form of media access control(MAC) protocol to arbitrate the upstream channel among terminations, and avoid collisions. But there is no media access control protocol suitable for GPON system up to now. A MAC protocol for GPON system according to the ITU-T G.GPON.gtc was brought forward and analyzed based on computer simulations. And it is approved effective in practice.

Key words: passive optical network, medium access control, dynamic bandwidth assignment

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