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。
The paper introduces main EPON technology, which includes ranging, ONU joining and upstream transmit alignment, etc. It also introduces EPON testing methodology and IXIA test solution.
简要介绍了EPON的一些关键技术，包括测距，ONU的自动加入，上行信道接入等技术，详细介绍了EPON测试方法和IXIA公司测试解决方案。
Research the ONU dynamic adjustment method of the window, and based on the current EPON deployment scenarios in China, a adaptive algorithm of the ONU registration cycle is proposed.
研究并分析了原有EPON协议中ONU的注册算法，根据中国EPON建设场景中ONU注册的特点，提出一种具有最小注册时延和最大带宽利用率的自适应ONU注册周期调整的算法。
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。
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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