Mobility Investigate

Characterizing the Greedy Behavior in Wireless Ad Hoc Networks

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Executive Summary

While the problem of greedy behavior at the MAC layer has been widely explored in the context of Wireless Local Area Networks (WLAN), its study for multi-hop wireless networks still almost an unexplored and unexplained problem. Indeed, in a wireless local area network, an access point mostly forwards packets sent by wireless nodes over the wired link. In this case, a greedy node can easily get more bandwidth share and starve all other associated contending nodes by manipulating intelligently MAC layer parameters. However, in wireless ad hoc environment, all packets are transmitted in a multi-hop fashion over wireless links.

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