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<p>This paper presents a comprehensive performance analysis of a novel hybrid radio frequency (RF)/visible light communication (VLC) system incorporating an intelligent reflecting surface (IRS) designed for enhancing indoor RF communication. The system integrates a primary VLC link with an IRS-assisted RF backup link to improve reliability. We have performed a comprehensive analysis to calculate key performance metrics, including outage probability, outage capacity, and average bit error rate, considering a hard-switching mechanism triggered by a predefined signal-to-noise ratio (SNR) threshold. In this system, data transmission is carried out over the VLC link as long as the SNR remains above the threshold. Once the SNR drops below this threshold value, the transmission is seamlessly switched to the IRS-assisted RF link. We model the RF link using Nakagami-<i>m</i> fading and the VLC link using Lambertian radiation emission pattern, ensuring a rigorous evaluation of the system’s performance. Monte-Carlo simulations have been employed to validate the derived closed-form expressions for each performance metric. The results demonstrate a significant improvement in system reliability and performance, demonstrating the effectiveness of the proposed IRS-aided system compared to standalone VLC configurations.</p>

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System-level analysis of hybrid VLC/IRS-enhanced RF communication

  • 期刊论文

  • 发表日期：

    2025年6月28日

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  • Kishan Tripathi,
  • Prashant Sharma,
  • R. Swaminathan

摘要

This paper presents a comprehensive performance analysis of a novel hybrid radio frequency (RF)/visible light communication (VLC) system incorporating an intelligent reflecting surface (IRS) designed for enhancing indoor RF communication. The system integrates a primary VLC link with an IRS-assisted RF backup link to improve reliability. We have performed a comprehensive analysis to calculate key performance metrics, including outage probability, outage capacity, and average bit error rate, considering a hard-switching mechanism triggered by a predefined signal-to-noise ratio (SNR) threshold. In this system, data transmission is carried out over the VLC link as long as the SNR remains above the threshold. Once the SNR drops below this threshold value, the transmission is seamlessly switched to the IRS-assisted RF link. We model the RF link using Nakagami-m fading and the VLC link using Lambertian radiation emission pattern, ensuring a rigorous evaluation of the system’s performance. Monte-Carlo simulations have been employed to validate the derived closed-form expressions for each performance metric. The results demonstrate a significant improvement in system reliability and performance, demonstrating the effectiveness of the proposed IRS-aided system compared to standalone VLC configurations.