Performance Analysis of RIS-Assisted Wireless Communications With Energy Harvesting

Zhang, Bingxin, Yang, Kun, Wang, Kezhi and Zhang, Guopeng (2022) Performance Analysis of RIS-Assisted Wireless Communications With Energy Harvesting. IEEE Transactions on Vehicular Technology. ISSN 0018-9545 (In Press)

VT-2022-01990.pdf - Accepted Version

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In this paper, we investigate a reconfigurable intelligent surface (RIS)-assisted wireless communication system with energy harvesting. In the single information user (IU) scenario, we consider the power control of base station (BS) and the random deployment of energy users (EUs). To this end, we first characterize the statistical features of the channel gains over BS-RIS-IU and BS-RIS-EU cascaded links. Then, we derive a closed-form expression of the information outage probability (IOP) of the IU and show an upper bound of the energy outage probability (EOP) of EUs by invoking the Jensen's inequality. Furthermore, we consider two more general extensions, namely, the existence of imperfect phase alignment and multiple IUs. Finally, the correctness of the analysis results is verified by Monte-Carlo simulation.

Item Type: Article
Additional Information: Funding information: National Natural Science Foundation of China (Grant Number: 62132004 and 61971421) Sichuan Major R&D Project (Grant Number: 22QYCX0168) EU H2020 Project COSAFE (Grant Number: GA-824019)
Uncontrolled Keywords: Reconfigurable intelligent surface, energy harvesting, outage probability, stochastic geometry
Subjects: G400 Computer Science
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User: Rachel Branson
Date Deposited: 26 Sep 2022 10:48
Last Modified: 26 Sep 2022 11:00

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