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We consider medium access control (MAC) protocols for mobile ad hoc networks that are designed for MAC layer broadcasts. For example, such protocols could be used to transmit traffic information among vehicles. We analyze the performance of two simple MAC protocols, when multi-user interference is explicitly modeled via the received signal-to-interference plus noise ratio (SINR). One protocol is a simple slotted Aloha protocol with spatial reuse; the second protocol uses location information to determine the channel access. For both protocols we focus on a one dimensional model and measure performance in terms of the average number of nodes that receive each message in one hop.
Information Theory and Applications Workshop, 2007
Date of Conference: Jan. 29 2007-Feb. 2 2007