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A Comprehensive Analytical Framework under Practical Constraints for a Cooperative NOMA System Empowered by SWIPT IoT

Author

Listed:
  • Huu Q. Tran

    (Faculty of Electronics Technology (FET), Industrial University of Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam)

  • Samarendra Nath Sur

    (Department of Electronics and Communication Engineering, Sikkim Manipal Institute of Technology, Sikkim Manipal University, Majitar, Rangpo 737136, Sikkim, India)

  • Byung Moo Lee

    (Department of Artificial Intelligence and Robotics, Sejong University, Seoul 05006, Republic of Korea
    Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea)

Abstract

Over the past decade, there has been notable attention directed towards spectrum and energy efficiency in conjunction with simultaneous wireless information and power transfer (SWIPT), aimed at extending the operational lifespan of energy-constrained wireless devices within cooperative non-orthogonal multiple access (C-NOMA) systems. This article delves into a system model comprising a transmitter, a relay, and two users, where the time-switching receiver (TSR) protocol is employed for energy harvesting at the relay. The objective of this study is to evaluate the performance of the system in terms of outage probability (OP), and system throughput (ST), and to determine the optimal time-switching (TS) factor. Our analysis encompasses the evaluation of OP, ST, and the determination of the optimal TS factor. Numerical simulation results reveal that the Nakagami-m fading channel exhibits the lowest outage probability, and that system throughput escalates with the signal-to-noise ratio (SNR) augmentation. These findings underscore the potential of the Nakagami-m fading channel to enhance energy efficiency in C-NOMA systems and suggest promising directions for future research.

Suggested Citation

  • Huu Q. Tran & Samarendra Nath Sur & Byung Moo Lee, 2024. "A Comprehensive Analytical Framework under Practical Constraints for a Cooperative NOMA System Empowered by SWIPT IoT," Mathematics, MDPI, vol. 12(14), pages 1-25, July.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:14:p:2249-:d:1438546
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    References listed on IDEAS

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    1. Roseline Oluwaseun Ogundokun & Joseph Bamidele Awotunde & Agbotiname Lucky Imoize & Chun-Ta Li & AbdulRahman Tosho Abdulahi & Abdulwasiu Bolakale Adelodun & Samarendra Nath Sur & Cheng-Chi Lee, 2023. "Non-Orthogonal Multiple Access Enabled Mobile Edge Computing in 6G Communications: A Systematic Literature Review," Sustainability, MDPI, vol. 15(9), pages 1-34, April.
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