Szymon Szott, Marek Natkaniec and Andrzej R. Pach Improving QoS and security in wireless ad hoc networks by mitigating the impact of selfish behaviors: a game-theoretic approach Security and Communication Networks 6
Selfish users can exploit mechanisms designed to assure quality of service in IEEE 802.11 networks. We propose a punishing mechanism that encourages standard-compliant behavior by degrading the selfish nodes' throughput proportionally to their degree of misbehavior. The suggested mechanism not only considerably improves quality of service provisioning but is also adaptive, does not have a negative impact on the throughput of well-behaving nodes, and provides legacy node support.
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