ieee802.11 n wlan中qos敏感应用的帧聚合调度器

2012 International Conference on Communications and Information Technology (ICCIT) Pub Date : 2012-06-26 DOI:10.1109/ICCITECHNOL.2012.6285796

Nasreddine Hajlaoui, I. Jabri, Malek Taieb, M. B. Jemaa

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引用次数: 24

摘要

IEEE 802.11n标准承诺通过显著提高覆盖范围、可靠性和吞吐量来扩展当今最流行的WLAN标准。该标准于2009年9月批准，定义了许多新的物理和介质访问控制(MAC)层增强功能。这些增强旨在提供高达600mbps的数据传输速率。802.11n MAC层的帧聚合机制可以通过降低协议开销来提高信道利用效率。本文研究了帧聚合对无线网络中语音和视频应用支持的影响。我们还提出了一种新的帧聚合调度器，该调度器考虑了多媒体应用的特定QoS要求。我们根据802.11e标准中定义的帧访问类别动态调整聚合帧大小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A frame aggregation scheduler for QoS-sensitive applications in IEEE 802.11n WLANs

The IEEE 802.11n standard promises to extend todays most popular WLAN standard by significantly increasing reach, reliability, and throughput. Ratified on september 2009, this standard defines many new physical and medium access control (MAC) layer enhancements. These enhancements aim to provide a data transmission rate of up to 600 Mbps. The frame aggregation mechanism of 802.11n MAC layer can improve the efficiency of channel utilization by reducing the protocol overheads. In this paper we investigate the effect of frame aggregation on the support of voice and video applications in wireless networks. We also propose a new frame aggregation scheduler that considers specific QoS requirements for multimedia applications. We dynamically adjust the aggregated frame size based on frame's access category defined in 802.11e standard.

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2012 International Conference on Communications and Information Technology (ICCIT)

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