Selfish MAC Layer Misbehavior in Wireless Networks


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Date: January 2008
Type: White Paper
Rating: (0)

Overview: IEEE 802.11 requires hosts competing for access to the channel to wait for a ""Backoff"" interval, randomly selected from a specified range, before initiating a transmission. Selfish hosts may wait for smaller back off intervals than well-behaved hosts, thereby obtaining an unfair advantage. This paper published by MAC presents modifications to the IEEE 802.11 protocol to simplify detection of such selfish hosts, and analyze the optimality of the chosen strategy. It also presents a penalty scheme for punishing selfish misbehavior.

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