Mobility

Delay-Constrained Gaussian Relay Channel With Energy Harvesting Nodes

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Executive Summary

This paper considers the use of energy harvesters, instead of conventional time-invariant energy sources, in wireless cooperative communication. For the purpose of exposition, the authors study the classic three-node Gaussian relay channel with Decode-and-Forward (DF) relaying, in which the source and relay nodes transmit with power drawn from energy-harvesting sources. Assuming a deterministic energy-harvesting model under which the energy arrival time and the harvested energy amount are known prior to transmission, the throughput maximization problem over a finite horizon of N transmission blocks is investigated for the Delay-Constrained (DC) case (for which only one-block decoding delay is allowed at the destination).

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