QoE-aware video distribution mechanism in FiWi

Ruyan WANG; Yan YANG; Dapeng WU

doi:10.11959/j.issn.1000-436x.2018012

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QoE-aware video distribution mechanism in FiWi

Papers | 更新时间：2024-06-05

- QoE-aware video distribution mechanism in FiWi
- Journal on Communications Vol. 39, Issue 1, Pages: 1-13(2018)
- 作者机构：
  
  重庆邮电大学光通信与网络重点实验室，重庆 400065
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61371097);Chongqing University Innovation Team Construction Project Funded Projects(CXTDX201601020);Chongqing Municipal Education Commission Science and Technology Research Project(KJ1401126)
- DOI：10.11959/j.issn.1000-436x.2018012
  CLC： TP393.04
- Online First：2018-01，
  
  Published：25 January 2018
- 稿件说明：
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Ruyan WANG, Yan YANG, Dapeng WU. QoE-aware video distribution mechanism in FiWi[J]. Journal on Communications, 2018, 39(1): 1-13.
DOI：

Ruyan WANG, Yan YANG, Dapeng WU. QoE-aware video distribution mechanism in FiWi[J]. Journal on Communications, 2018, 39(1): 1-13. DOI： 10.11959/j.issn.1000-436x.2018012.

摘要

针对光无线融合网络（FiWi

fiber-wireless access network）传输能力不匹配所导致的视频业务传输不连续问题，提出一种体验质量（QoE）感知的视频分发机制。根据光无线融合网络结构特点，考虑链路状态信息及可扩展视频编码结构，建立QoE评估模型，使用粒子群算法选择最优视频传输速率；进而分析节点传输能力及节点匹配度，为业务选择传输路径，保证业务的可靠传输。结果表明，所提机制在增强用户体验质量的同时，有效地提高了网络资源利用率，降低了网络拥塞。

Abstract

The mismatch of transmission ability causes the discontinuous transmission of video services in fiber-wireless access network

aimed at this problem

an QoE-aware video distribution mechanism was proposed.According to the structural characteristics of fiber-wireless access network

link state information and scalable video coding structure was considered

a QoE evaluation mode was established

and the particle swarm optimization algorithm was used to select optimal video transmission rate.Then the node transmission capacity and the node matching degree was analyzed

transmission path for the services was selected

so as to ensure the reliable transmission of services.The results show that the proposed mechanism can effectively improve the utilization rate of network resources and reduce network congestion while improving the quality of the user experience.

关键词

Keywords

references

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