| EPON系统注册过程 |
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| 引用本文： | 戚世杰,李迎春,林如俭.EPON系统注册过程[J].上海大学学报(自然科学版),2005,11(4):346-349. |
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| 作者姓名： | 戚世杰 李迎春 林如俭 |
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| 作者单位： | 上海大学,通信与信息工程学院,上海,200072 |
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| 基金项目： | 上海市科委基金项目(04dz12045)，上海市重点学科资助项目 |
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| 摘 要： | 注册是指新连接的或离线的ONU加入到EPON系统的过程,是EPON系统正常运行的前提.该文首先详细分析了注册过程和产生注册冲突的原因,并比较了两种解决注册冲突的方案.然后对IEEE802.3ahDraft3.0采纳的冲突退避方案进行了仿真,并对注册过程中的两个重要参数———注册窗口的大小和周期进行了讨论,得出了优化值.
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| 关 键 词： | 以太无源光网络 光网络单元 注册冲突 注册窗口 注册时隙 |
| 文章编号： | 1007-2861（2005）04-0346-04 |
| 收稿时间： | 2004-06-23 |
| 修稿时间： | 2004年6月23日 |
Discovery Process of an EPON System |
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| QI Shi-jie,LI Ying-chun,LIN Ru-jian.Discovery Process of an EPON System[J].Journal of Shanghai University(Natural Science),2005,11(4):346-349. |
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| Authors: | QI Shi-jie LI Ying-chun LIN Ru-jian |
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| Abstract: | Discovery is the process that provides access to EPON to newly connected or disconnected ONUs. It is a precondition for the normal operation of an EPON system. In this paper, the process of discovery and the reason for discovery collision are discussed in detail. Two different schemes for discovery collision avoidance are compared. Simulation of a scheme for collision avoidance adopted by IEEE 802.3 ah Draft 3.0 is performed. It is concluded that proper size and period of the discovery window are important in the discovery process. |
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| Keywords: | EPON ONU discovery collision discovery window discovery timeslot |
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