A practical cross-layer QoS mechanism for voice over IP in IEEE 802.11e WLANs

被引：0
|
作者：
Lee, Jenf Farn [1 ]
Chen, Jie-Ming [3 ]
Liao, Wanjiun [1 ]
Lee, Hsiu-Hui [3 ]
Chen, Meng Chang [2 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan
[2] Acad Sinica, Inst Informat Sci, Taipei, Taiwan
[3] Natl Taiwan Univ, Dept Comp Sci & Informat Engn, Taipei, Taiwan
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5 | 2007年
关键词：
EDCA; strict priority; VoIP; QoS;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we study the behavior of Voice over IP (VoIP) traffic over IEEE 802.11 wireless networks. Specifically, we propose a QoS provisioning mechanism for VoIP traffic, and suggest a practical solution to configuring the 802.11e Enhanced Distributed Control Access (EDCA) parameter sets for different types of traffic. With our mechanism, the EDCA parameter sets can be easily configured via software interface in off-the-shelf WiFi phone products and it is not required to modify the operations of Access Points or 802.11 MAC layer protocols. The performance of our mechanism is evaluated via ns-2 simulations and via laboratory experiments over Quanta's 02 dual-mode handsets. The results show our mechanism can provide effective and efficient QoS provisioning for VoIP traffic over IEEE 802.11 WLANs.
引用
收藏
页码：1067 / +
页数：2
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