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Sixth IEEE International Conference on Computer and Information Technology (CIT'06)
Alleviating MAC Layer Contentions through Dynamic Waiting in Wireless Ad Hoc Networks
Seoul, Korea
September 20-September 22
ISBN: 0-7695-2687-X
Wanrong Yu, National University of Defense Technology, China
Xiaodong Wang, National University of Defense Technology, China
Xingming Zhou, National University of Defense Technology, China
In wireless ad hoc networks, the performance of the media access control (MAC) protocol has significant impact on the overall network performance. Although the popular IEEE 802.11 DCF mechanism still works under multi-hop scenarios, its efficiency is unacceptable. Many efforts have been made to enhance the mechanism in various aspects. In this paper, a novel MAC protocol, called MAC with Dynamic Waiting (DWMAC), is proposed to solve the MAC layer contentions between neighboring nodes in wireless ad hoc networks. Through dynamic waiting by mobile hosts according to the contention level in the vicinity, DWMAC can achieve great performance enhancement when the traffic in the network is heavy. Our simulation results show that DWMAC outperforms IEEE 802.11 in terms of throughput and end-to-end delay.
Citation:
Wanrong Yu, Xiaodong Wang, Xingming Zhou, "Alleviating MAC Layer Contentions through Dynamic Waiting in Wireless Ad Hoc Networks," cit, pp.93, Sixth IEEE International Conference on Computer and Information Technology (CIT'06), 2006
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