A reactive approach to QoS provisioning in IEEE 802.11e WLANs

被引：2

作者：

Cacace, Filippo ^{[1
]}

Lannello, Giulio ^{[1
]}

Vellucci, Massirno ^{[1
]}

Vollero, Luca ^{[1
]}

机构：

[1] Univ Campus Biomed Roma, Rome, Italy

来源：

2008 NEXT GENERATION INTERNET NETWORKS AND 4TH EURONGI CONFERENCE ON NEXT GENERATION INTERNET NETWORKS, PROCEEDINGS | 2008年

关键词：

wireless LANs; QoS provisioning; EDCA;

D O I：

10.1109/NGI.2008.41

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

IEEE 802.11e provides basic mechanisms for traffic differentiation in WLANs previously unavailable with the IEEE 802.11 standard. The Enhanced Distributed Channel Access (EDCA) is probably the most promising subset of such mechanisms, and it is already implemented in a huge number of Network Cards. In this paper we present an algorithm for the provisioning of QoS in EDCA WLANs. The algorithm is based on monitoring and reactive configuration of EDCA mechanisms in scenarios where Voice over IP (VoIP) and Best Effort (BE) applications concurrently access the Wireless Channel. Results obtained in a real test-bed prove the effectiveness of the algorithm both in protecting VoIP communications and in providing minimal quality levels and fairness to BE applications.

引用

页码：253 / 260

页数：8

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