Video transmission strategy in multi-rate and multi-node IEEE 802.11 networks

Liang CHEN; Xiang GU; Jin WANG

doi:10.11959/j.issn.1000-436x.2017059

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Video transmission strategy in multi-rate and multi-node IEEE 802.11 networks

Papers | 更新时间：2024-06-05

- Video transmission strategy in multi-rate and multi-node IEEE 802.11 networks
- Journal on Communications Vol. 38, Issue 3, Pages: 34-44(2017)
- 作者机构：
  
  南通大学计算机科学与技术学院，江苏南通 226019
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61402244);The National Natural Science Foundation of China(61602267);University Science Research Project of Jiangsu Province(15KJB520029);University Science Research Project of Jiangsu Province(16KJB520038)
- DOI：10.11959/j.issn.1000-436x.2017059
  CLC： TP393
- Online First：2017-03，
  
  Published：15 March 2017
- 稿件说明：
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Liang CHEN, Xiang GU, Jin WANG. Video transmission strategy in multi-rate and multi-node IEEE 802.11 networks[J]. Journal on Communications, 2017, 38(3): 34-44.
DOI：

Liang CHEN, Xiang GU, Jin WANG. Video transmission strategy in multi-rate and multi-node IEEE 802.11 networks[J]. Journal on Communications, 2017, 38(3): 34-44. DOI： 10.11959/j.issn.1000-436x.2017059.

摘要

针对多速率多节点IEEE 802.11网络的视频传输公平性问题，提出了基于节点队列选择性分组丢失与竞争窗口值动态调整的低速视频节点的队列与竞争窗口（VQCW

video queue contention window）算法。由于网络的吞吐量与初始竞争窗口有较大关系，基于初始竞争窗口值，推导了最大吞吐量计算模型，为吞吐量性能改进提供理论上限。理论建模与NS仿真显示，该策略既可保证视频传输质量，又可将网络总吞吐量维持在较高水平。

Abstract

The video transmission strategy VQCW (video queue contention window) was proposed for video transmission fair problem in multi-rate and multi-node IEEE 802.11 networks.The strategy was based on node queue selective packet drop and contention window dynamic adjustment.It deduced a maximum throughput model according to initial contention window size because of the relation between throughput and initial contention window size.This model can provide theoretical upper limit for improving throughput.The theoretical modeling and NS simulation show that the proposed strategy can maintain both video transmission quality and high network overall throughput.

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references

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