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Geographic random forwarding (GeRaF) for ad hoc and sensor networks: energy and latency performance

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2 Author(s)
M. Zorzi ; Dipt. di Ingegneria, Ferrara Univ., Italy ; R. R. Rao

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.

Published in:

IEEE Transactions on Mobile Computing  (Volume:2 ,  Issue: 4 )