What question did this study set out to answer?

This research aims to analyze the performance of an active IRS-assisted wireless communication system using NOMA and OMA techniques.

April 5, 2026

Performance Analysis of Active IRS-Assisted NOMA and OMA Systems for Wireless Communication

Puntos clave

This research aims to analyze the performance of an active IRS-assisted wireless communication system using NOMA and OMA techniques.
Analysis of IRS-assisted systems with active reflecting elements
Evaluation of both uplink and downlink transmission scenarios
Performance metrics assessed include Outage Probability and Ergodic Rate
Use of MATLAB simulations to obtain results
Active IRS-assisted NOMA system significantly outperforms conventional passive IRS model
Improved data rate observed in active IRS systems
Reduced outage probability in the active IRS scenario

Resumen

This paper presents the performance analysis of an Intelligent Reflecting Surface (IRS) assisted wireless communication system using Non-Orthogonal Multiple Access (NOMA) and Orthogonal Multiple Access (OMA) techniques. The study focuses on enhancing the conventional passive IRS model by introducing active reflecting elements to improve signal strength and communication reliability. The system is analyzed for both uplink and downlink transmission scenarios over a range of Signal-to-Noise Ratio (SNR) values. Key performance metrics such as Outage Probability (OP) and Ergodic Rate (ER) are evaluated using MATLAB simulations. The results demonstrate that the active IRS-assisted NOMA system significantly outperforms the conventional passive IRS model in terms of improved data rate and reduced outage probability. This work provides a practical simulation framework for analyzing IRS-based systems and can be extended for future wireless technologies such as beyond 5G and 6G networks.

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