Minimum Delay Communication in Energy Harvesting Systems Over Fading Channels

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Executive Summary

The authors consider an energy harvesting wireless system where data is stored in a data buffer and energy is harvested from various sources and stored in an energy buffer. The transmitter tries to minimize a delay criterion, e.g., average delay in the data buffer or probability of overflow, subject to the hard power constraints imposed by the available energy. Furthermore, they extend the results into a Multiple Access Channel (MAC) with two users, and study two situations, when the energy buffers of the two users are separate, and when the energy buffers of the two users can cooperate.

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