Abstract
The realm of vehicular safety applications driven by communication has surfaced as a paramount approach for elevating road safety standards. The adoption of Vehicular VLC (V-VLC) is rooted in its multifaceted advantages, making it a preferred choice for integrating both illumination and data transmission. Beyond its highly secure attributes, V-VLC boasts virtues such as demonstrating low complexity, and ensuring immunity to radio frequency (RF) interference. The core premise of this study revolves around the proposition of a novel system that synergistically integrates NOMA into V-VLC networks to amplify spectral efficiency, harnesses beamforming techniques to bolster Signal-to-Noise Ratio (SNR), and leverages Successive Interference Cancellation (SIC) to curtail interference. An exhaustive analysis of this system configuration is provided, accompanied by the derivation of a precise Signal-to-Interference-plus-Noise Ratio (SINR) expression tailored to the proposed scenario. This paper not only delves into the nuanced aspects of NOMA performance at the receiver but also delves into critical dimensions such as the influence of transmitter-receiver distance, elevation disparity between transmitter and receiver, and the impact of diverse channel conditions on received power and BER VS. Eb/No for different MIMO configurations.
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