A Distributed Spatial Reuse (DSR) MAC Protocol for IEEE 802.11 Ad Hoc Wireless LANs

Authors:
Chien-Min Chou;Mu-Ying Lu
Affiliations:
Tamkang University;Tamkang University
Venue:
ISCC '05 Proceedings of the 10th IEEE Symposium on Computers and Communications
Year:
2005

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Enhanced multimedia and real-time stream throughput in wireless ad-hoc LAN using distributed virtual channel based MAC

MMNS'06 Proceedings of the 9th IFIP/IEEE international conference on Management of Multimedia and Mobile Networks and Services

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Abstract

The paper proposes a distributed spatial reuse (DSR) MAC protocol for IEEE 802.11 ad-hoc wireless LANs (WLANs) to increase bandwidth utilization and reduce power consumption. Through power control, the communications that do not interfere with each other can transmit simultaneously. Therefore, the overall efficiency and effectiveness of IEEE 802.11 ad-hoc WLANs can be enhanced. DSR allows the maximum number of interference-free communication pairs to transmit in parallel without collisions. According to the experiment results, DSR is much better than traditional WLAN protocol, IEEE 802.11 DCF, and the related work. The protocol indeed can effectively enhance the overall WLANs efficiency.