Optimization design of encoding schemes for network coding-based passive optical networks

Zhao Jijun; Bai Wei; Feng Nan; Ren Danping

doi:10.13756/j.gtxyj.2014.03.013

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Optimization design of encoding schemes for network coding-based passive optical networks

- Optimization design of encoding schemes for network coding-based passive optical networks
- Study on Optical communication Issue 3, Pages: 38-41(2014)
- 作者机构：
  
  河北工程大学信息与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.03.013
  CLC： TN929.1
- Published：2014，
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[1]赵继军,白巍,冯楠,任丹萍.基于网络编码的PON中编码机制优化设计[J].光通信研究,2014(03):38-41.

Zhao Jijun, Bai Wei, Feng Nan, et al. Optimization design of encoding schemes for network coding-based passive optical networks. [J]. (3):38-41(2014)
[1]赵继军,白巍,冯楠,任丹萍.基于网络编码的PON中编码机制优化设计[J].光通信研究,2014(03):38-41. DOI： 10.13756/j.gtxyj.2014.03.013.

Zhao Jijun, Bai Wei, Feng Nan, et al. Optimization design of encoding schemes for network coding-based passive optical networks. [J]. (3):38-41(2014) DOI： 10.13756/j.gtxyj.2014.03.013.

摘要

接入网业务本地化趋势使得NC（网络编码）在PON（无源光网络）中的应用越来越广泛

而数据包长度不同将导致网络编码包传输过程中的带宽浪费问题。为了提高带宽利用率

减少OLT（光线路终端）能耗

提出了一种新型的包队列编码方式及其实现方案。仿真结果表明所提出的编码机制及其实现方案提高了带宽利用率

有效地降低了解码包对ONU（光网络单元）内存的占用

优化了系统的下行吞吐量并提高了OLT端的节能效率。

Abstract

The localization of access network services has enabled Network Coding（NC）to be more and more broadly applied in Passive Optical Networks（PON）.However

data packets with different lengths result in the waste of bandwidth in the transmission of encoding packets.In order to improve the bandwidth utilization rate and reduce the energy consumption at the Optical Line Terminal（OLT）

this paper proposes a novel encoding scheme for packets queue and its implementation.Simulation results show that the proposed encoding and implementation scheme improves the bandwidth utilization rate

effectively reduces the occupation of ONU memory by the decoding packets and optimizes the system downlink throughput and the energy efficiency of the OLT.

关键词

网络编码无源光网络编码机制节能效率

Keywords

NCPONencoding schemeenergy efficiency

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