Cooperative Coverage Extension in Heterogeneous Machine-to-Machine Networks

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Executive Summary

The authors study the limits of cooperative coverage extension for multicast transmission in heterogeneous machine to machine networks. Terminals are equipped with both a long range interface, through which they connect to, e.g., a cellular network or satellite system, and a short range interface, which is used to create an ad-hoc capillary network among the terminals. Such a network is intended to enhance coverage by means of properly encoded cooperative transmissions. By applying the max-flow min-cut theorem they derive an analytical lower bound on the coverage as a function of both the information rate at physical layer and the rate of innovative packets per unit-time.

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