The dissertation includes technique background of GPON, protocol summary, function architectures of OLT and ONU, DBA (dynamic band allocation) algorithm and so on.

本文概括描述了GPON技术的背景、标准协议的概述、系统中olt和ONU的功能结构和动态带宽分配算法。

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In the EPON system, for the received buffer limit, frame loss often appears in either OLT or ONU, but now some existing methods are not efficient to solve it .

在EPON系统中，由于接收缓存区深度的限制，OLT和ONU中将经常出现不同程度的帧丢失现象，通过分析可以发现现有的一些机制对解决这个问题不是很有效。

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The communications equipment, including EPON communications equipment (OLT, ONU) and power line carrier communication equipment.

通信设备主要包括EPON通讯设备(olt、onu)及电力线载波通信机。

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