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<p><b>Abstract</b>—In this paper, we study a novel forwarding technique based on geographical location of the nodes involved and random selection of the relaying node via contention among receivers. We provide a detailed description of a MAC scheme based on these concepts and on collision avoidance and report on its energy and latency performance. A simplified analysis is given first, some relevant trade offs are highlighted, and parameter optimization is pursued. Further, a semi-Markov model is developed which provides a more accurate performance evaluation. Simulation results supporting the validity of our analytical approach are also provided.</p>
Geographic forwarding, latency, ad hoc networks, sensor networks, energy, routing, MAC, random access.

R. R. Rao and M. Zorzi, "Geographic Random Forwarding (GeRaF) for Ad Hoc and Sensor Networks: Energy and Latency Performance," in IEEE Transactions on Mobile Computing, vol. 2, no. , pp. 349-365, 2003.
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