Video multipath transmission mechanism with load balancing in the FiWi network

被引：0
|
作者：
Lü Y. [1 ,2 ,3 ]
Zhu B. [1 ,2 ,3 ]
Wu D. [1 ,2 ,3 ]
机构：
[1] School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing
[2] Chongqing Key Laboratory of Optical Communication and Networks, Chongqing
[3] Chongqing Key Laboratory of Ubiquitous Sensing and Networking, Chongqing
来源：
Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University | 2021年 / 48卷 / 03期
关键词：
Fiber-wireless access network; Load balancing; Multipath; Quality of experience constraint;
D O I：
10.19665/j.issn1001-2400.2021.03.008
中图分类号：
学科分类号：
摘要：
Aiming at the differentiated needs of users and the problem of video service interruption caused by the local overload of the converged network, a load-balanced video transmission mechanism is proposed. First, the split multipath routing protocol is improved to obtain the path selection model according to the front-end structural characteristics of the optical fiber wireless access network; second, we calculate the path differential delay and the video transmission delay on wireless side, and set their threshold as the quality of the experience constraint. Finally, while considering the quality of user experience, a particle swarm optimization algorithm with a multi-stage penalty function is used for video distribution. Simulation results show that the proposed mechanism is better than the throughput-aware load-sensing algorithms, enhances delay-control load distribution algorithms and delay-energy-quality aware multipath algorithms, and that it can effectively balance the network load and alleviate network congestion while avoiding user loss. © 2021, The Editorial Board of Journal of Xidian University. All right reserved.
引用
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页码：63 / 70
页数：7
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