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Enhancing Secrecy Performance Using Fountain Codes and NOMA Under Joint Cooperative Jamming Technique and Intelligent Reflective Surface | IEEE Journals & Magazine | IEEE Xplore

Enhancing Secrecy Performance Using Fountain Codes and NOMA Under Joint Cooperative Jamming Technique and Intelligent Reflective Surface


Enhancing Secrecy Performance Using Fountain Codes and NOMA under Joint Cooperative Jamming Technique and Intelligent Reflective Surface

Abstract:

Ensuring content security and copyright protection is a critical concern in wireless communication networks. Furthermore, the emergence of services demanding high-band wi...Show More

Abstract:

Ensuring content security and copyright protection is a critical concern in wireless communication networks. Furthermore, the emergence of services demanding high-band width and very low delay such as online Games, extended reality (XR), Metaverses, etc., Non-Orthogonal Multiple Access (NOMA) is a technology with the potential to enhance the spectral efficiency of fifth-generation (5G) wireless network and beyond. Hence, this paper studies a NOMA-based downlink system that employs intelligent reconfigurable surfaces (IRS) and operates in a physical-layer security environment. Our study also incorporates the utilization of Fountain codes (FCs), all while contending with the presence of a malicious eavesdropper. Furthermore, a cooperative jamming technique is employed to degrade the quality of the eavesdropping channel. The main contribution of this paper is to derive precise closed-form expressions of outage probability (OP), energy efficiency (EE), intercept probability (IP), and average secrecy rate (ASR) for the proposed system. We also develop a Deep Neural Network (DNN) model to evaluate OP, IP, ASR and the average number of time slots (ATS). Subsequently, Monte Carlo simulations are presented as a means to validate the theoretical findings. The simulation results yield the following insights: i) Their primary purpose is to validate the analytical formulas. ii) This research significantly contributes to deepening our understanding of IRS-NOMA systems, providing a foundation for future investigations into practical implementations. iii) We investigate the optimal power allocation factors within the IRS-NOMA framework, offering valuable insights into designing IRS-NOMA systems to achieve reliable and secure communication. iv) The results illustrate the superior performance of IRS-NOMA in comparison to the conventional IRS-Orthogonal Multiple Access (OMA) method.
Enhancing Secrecy Performance Using Fountain Codes and NOMA under Joint Cooperative Jamming Technique and Intelligent Reflective Surface
Published in: IEEE Access ( Volume: 12)
Page(s): 117399 - 117417
Date of Publication: 21 August 2024
Electronic ISSN: 2169-3536

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