Enhancing performance of feedback-Based QoS scheduling for video delivery over WLANs

Jeng Ji Huang*, Po Chun Shen, Yu Ting Tseng

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

In IEEE 802.11e wireless local area networks (WLANs), it is well known that a feedback signaling for bandwidth allocation can help to increase bandwidth utilization. In order to evaluate feedback-based quality of service (QoS) scheduling in IEEE 802.11e WLANs, an analytical model is presented in this paper to calculate the rate of packet losses as a consequence of violation of their delay limits. Furthermore, an enhancement is proposed to reduce packet losses by speeding up the feedback signaling. It is demonstrated from both analytical results and ns-2 simulations that the packet loss rate can effectively be reduced under the proposed enhancement and more capacity for video flows can accordingly be obtained.

原文英語
頁(從 - 到)77-83
頁數7
期刊Computer Communications
99
DOIs
出版狀態已發佈 - 2017 二月 1

ASJC Scopus subject areas

  • 電腦網路與通信

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