Enhancing NOMA Network Security with RIS-UAV Integration: Exploring PPO Technique
DOI:
https://doi.org/10.62019/abbdm.v4i02.69Abstract
In order to improve the security aspects of a nonorthogonal multiple access (NOMA) downlink network, we investigate the use of the proximal policy optimization (PPO) technique in this study. This network is uniquely augmented with reconfi- gurable intelligent surfaces (RIS) mounted on unmanned aerial vehicles (UAVs). The main objective of this article is to prevent possible eavesdroppers from accessing the network while still assuring continuous and secure connectivity for legitimate users. The network configuration includes a UAV outfitted with a RIS, which plays an important role in signal propagation. This work aims to increase the secrecy rates of all user communications in eavesdropping prone locations. By adaptively modifying the phase shifts and power distributions through the RIS the proposed PPO algorithm not only shows adaptability and effectiveness in securing wireless communications, but also highlights the significant advances made in communication system security through this technology.

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Copyright (c) 2023 Syed Zain Ul Abideen, Abdul Wahid, Mian Muhammad Kamal, Touseef Hussain, Naveed Jan

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