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。
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