Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication (2401.01787v1)

Published 3 Jan 2024 in cs.IT, cs.NI, and math.IT

Abstract: Wireless powered communication (WPC) combines information and energy transmission for energy-constrained nodes. Reconfigurable intelligent surfaces (RISs) are capable of controlling radio signals in a dynamic and goal-oriented manner. This paper investigates the combination of RIS and WPC to enhance the performance of an energy-constrained user. Using an RIS, a base station, and a wireless user transmit energy and information signals, respectively. We derive closed-form expressions for outage probability and secrecy rate to analyze the performance of the proposed framework. Based on the theoretical analysis and simulation results, valuable insights are revealed and parameter selection is demonstrated.

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References (1)

W. Khalid and H. Yu, “Security Improvement With QoS Provisioning Using Service Priority and Power Allocation for NOMA-IoT Networks," IEEE Access, vol. 9, pp. 9937–9948, Jan. 2021.

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