Geometric Power Control for Time-Switching Energy-Harvesting Two-User Interference Channel

Journal article


Zhu, Yongxu, Wong, Kai-Kit, Zhang, Yangyang and Masouros, Christos (2016). Geometric Power Control for Time-Switching Energy-Harvesting Two-User Interference Channel. IEEE Transactions on Vehicular Technology. 65 (12), pp. 9759-9772. https://doi.org/10.1109/tvt.2016.2520565
AuthorsZhu, Yongxu, Wong, Kai-Kit, Zhang, Yangyang and Masouros, Christos
Abstract

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This paper studies the optimization of power control
for the two-user interference channel in which the terminals are time-switched between the communication and energy-harvesting phases. The objective is to maximize the sum-rate, subject to the minimum data and harvested energy constraints at the receivers, assuming a fixed time-switching coefficient. Our key contribution is a geometric approach that analyzes the feasible region governed by the constraints, which gives rise to the optimal power control solution. We assume that perfect channel state information (CSI) is available at both transmitters to determine the solution.

KeywordsEnergy harvesting; Interference channel; Power control; Sum-rate maximization; SWIPT; Time switching
Year2016
JournalIEEE Transactions on Vehicular Technology
Journal citation65 (12), pp. 9759-9772
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISSN0018-9545
Digital Object Identifier (DOI)https://doi.org/10.1109/tvt.2016.2520565
Publication dates
Print21 Jan 2016
Publication process dates
Accepted21 Dec 2015
Deposited01 Jun 2020
Accepted author manuscript
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Open
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