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Sixth IEEE International Conference on Computer and Information Technology (CIT'06)
An Interference Graph Based MAC Protocol for Ad Hoc Wireless Networks
Seoul, Korea
September 20-September 22
ISBN: 0-7695-2687-X
Weiming Lin, Shanghai Jiao Tong University, China
Chongqing Zhang, Shanghai Jiao Tong University, China
Minglu Li, Shanghai Jiao Tong University, China
Min-You Wu, Shanghai Jiao Tong University, China
Due to using the simplified interference model, IEEE 802.11 MAC protocol introduces the hidden and exposed terminal problems which significantly decrease the performance of ad hoc wireless networks. In this paper, we propose a novel Interference Graph based MAC protocol (IG-MAC) to improve the throughput of ad hoc wireless networks. The key point is to model the interference information by means of Interference Graph and send busy tone with encoded communication information to prevent the potentially interfering nodes from initiating new transmissions. Through the simulation, our protocol can solve the above two problems caused by 802.11 and improve the network performance substantially.
Index Terms:
ad hoc wireless network, MAC Protocol, 802.11, interference graph, busy tone
Citation:
Weiming Lin, Chongqing Zhang, Minglu Li, Min-You Wu, "An Interference Graph Based MAC Protocol for Ad Hoc Wireless Networks," cit, pp.94, Sixth IEEE International Conference on Computer and Information Technology (CIT'06), 2006
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