Mobility

Two-Way and Multiple-Access Energy Harvesting Systems With Energy Cooperation

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Executive Summary

The authors study the capacity regions of the Gaussian Two-Way Channel (TWC) and the Gaussian two-user Multiple Access Channel (MAC) with one-way energy transfer. In both scenarios, there are two users powered by energy harvesting devices communicating messages to each other or to an access point. They model these scenarios as two users having exogenous energy arrival processes that recharge their batteries throughout the communication duration. Additionally, one-way energy transfer is possible: the first user can transmit a portion of its energy to the second user through a separate wireless energy transfer unit subject to an inefficiency (i.e., loss) during the transfer.

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