Multicast QoS support in IEEE 802.11 WLANs

被引：0
|
作者：
Lyakhov, Andrey [1 ]
Vishnevsky, Vladimir [1 ]
Yakimov, Mikhail [1 ]
机构：
[1] Russian Acad Sci, Inst Informat Transmiss Problems, Moscow, Russia
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON MOBILE AD-HOC AND SENSOR SYSTEMS, VOLS 1-3 | 2007年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Existing IEEE 802.11 spec. provides no error recovery mechanism (ARQ) for multicast traffic. ARQ absence in wireless networks unreliable by their nature leads to frequent packet losses, which is inappropriate for most of multimedia applications. In the paper, we propose new reliable multicast mechanism supporting multimedia QoS (packet loss ratio, delay and throughput), in IEEE 802.11 Wireless Local Area Networks (WLANs). This mechanism is based on the concept of multiple ACK-leaders, Le. multicast recipients responsible for data packets acknowledging. We develop an analytical model of the mechanism and use the model to study and to optimize the mechanism.
引用
收藏
页码：207 / 209
页数：3
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