Mobility

Cross-Layer Resource Allocation for Efficient Message Dissemination in Rural Infostation Systems

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Executive Summary

In this paper, the authors consider a rural infostation system where power and bandwidth limited infostations is deployed in a large network area with sparsely populated mobile nodes. Direct transmission services are provided to each mobile node, whereas message dissemination services facilitated by relaying are provided to a subgroup of mobile nodes. They investigate radio resource allocation at infostations, and propose a cross-layer resource allocation scheme with tuneable resource allocation parameters at the network layer and link layer. Analytical models are established to characterize the dependence of system performance on the various parameters of the proposed scheme, and the accuracy is verified by simulations.

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