Improving Efficiency in NOMA Schemes Having Inter-User Interference Using Mechanism Design

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Author(s): Zory Marantz (New York City College of Technology (CUNY), Brooklyn, USA)
Copyright: 2026
Volume: 18
Issue: 1
Pages: 33
Source title: International Journal of Interdisciplinary Telecommunications and Networking (IJITN)
Editor(s)-in-Chief: Efosa Carroll Idemudia (Howard University, USA)
DOI: 10.4018/IJITN.396761

Keywords: Information Science Reference / Media & Communications / Networking and Telecommunications / Telecommunications

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Abstract

Modern wireless systems utilize non-orthogonal multiple access to increase their rate capacities; however, the efficiency of the individual utility defined in bits per Joule has yet to be considered. Multiple variations of non-orthogonal multiple access have the interference of the signal-to-interference-plus-noise ratio as a function of the received power from multiple other users due to code implementations that are non-orthogonal or non-ideal cancellation in successive-interference-cancellation methods. Game theoretic concepts are used to improve user bits-per-Joule performance. Previous solutions increment transmit power and are not based on closed form systematic methods. The mechanism design presented here led to a non-cooperative Nash equilibrium solution based on detrimental inter-user effects. The resulting algorithm not only converged but also yielded a Nash bargaining and Pereto optimal solution that Pareto dominated the non-cooperative solution sans mechanism. Operating power may decrease 20 dB–45 dB, while utility gains may increase between 28 dB–46 dB.

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Improving Efficiency in NOMA Schemes Having Inter-User Interference Using Mechanism Design

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