Abstract
In this paper, the fundamental limits of simultaneous information and energy transmission in the two-user Gaussian interference channel with feedback are fully characterized. More specifically, an achievable and converse region in terms of information and energy transmission rates (in bits per channel use and energy-units per channel use, respectively) are presented. The achievable region is obtained using a combination of rate splitting, common randomness, superposition coding, power-splitting, and block Markov decoding. Finally, the converse region is obtained using some of the existing outer bounds on the information transmission rates, as well as a new outer bound on the energy transmission rate.
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