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本文介绍以太网无源光网络(EPON)测距技术的工作原理,描述了测距过程的主要步骤以及完成测距所需要解决的关键技术问题,提出了一种时间标签法测距的方案。
This paper introduces the working principle of Ethernet passive optical network (EPON) ranging technology, describes the main steps of the ranging process and the key technical issues to be solved in order to finish the ranging. A time-stamping method is proposed.