Supporting voice and video applications over IEEE 802.11n WLANs

被引：20

作者：

Cai, Lin X. ^{[1
]}

Ling, Xinhua ^{[1
]}

Shen, Xuemin ^{[1
]}

Mark, Jon W. ^{[1
]}

Cai, Lin ^{[2
]}

机构：

[1] Univ Waterloo, Dept Elect & Comp Engn, Ctr Wireless Commun, Waterloo, ON N2L 3G1, Canada

[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada

来源：

WIRELESS NETWORKS | 2009年 / 15卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

IEEE; 802.11n; Frame aggregation; Bidirectional transmission; Voice capacity; Video capacity;

D O I：

10.1007/s11276-007-0062-5

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, an analytical model is developed for the performance study of an IEEE 802.11n wireless local area network (WLAN) supporting voice and video services, considering the new features of the medium access control (MAC) protocol proposed in IEEE 802.11n, i.e., frame aggregation and bidirectional transmission. We show that these enhanced MAC mechanisms can effectively improve the network capacity by not only reducing the protocol overheads, but also smoothing the AP-bottleneck effect in an infrastructure-based WLAN. Voice and video capacity under various MAC mechanisms are compared as well.

引用

页码：443 / 454

页数：12

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