| 基于TDM/TDMA的EPON、GPON系统测距与时延补偿机制分析 |
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| 引用本文： | 姜欣,杜建凤.基于TDM/TDMA的EPON、GPON系统测距与时延补偿机制分析[J].现代电信科技,2010,40(2):100-105. |
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| 作者姓名： | 姜欣 杜建凤 |
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| 作者单位： | 中国移动通信集团北京公司网络部 |
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| 摘 要： | 基于TDM/TDMA的PON系统若不通过统一的管理控制会产生上行数据冲突,为解决上行数据冲突,测距技术是PON系统的关键技术。文章介绍了测距技术的原理和分类,详细分析了目前EPON和GPON系统所采用的测距原理、时延补偿机制及具体的实现过程。最后,提出PON系统测距中有关冲突避免算法还有待进一步的研究,需要继续跟踪研究。
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| 关 键 词： | EPON GPON RTT 测距 |
Range Finding and Compensation Mechanism in EPON/GPON Systems |
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| Jiang Xin,Du Jianfeng.Range Finding and Compensation Mechanism in EPON/GPON Systems[J].Modern Science & Technology of Telecommunications,2010,40(2):100-105. |
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| Authors: | Jiang Xin Du Jianfeng |
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| Abstract: | Firstly, the author introduced data-conflict in upstream tending to occur in PON system based on TDM/TDMA without general management. Then the author particularly analyzes the range finding principle, delay compensation mechanism and its concrete process in EPON or GPON system. At last, the author suggests the algorithm of conflict-avoiding in the PON system need to be futher researched. |
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| Keywords: | EPON GPON RTT |
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