Abstract

In this paper, we investigate the performance of hybrid Radio Frequency/Visible Light communication (RF/VLC) downlink system as indoor broadcasting system. This combination of RF and VLC systems have a significant merit, since the VLC system provides high data rates along with illumination and RF system provides pervasive coverage. The proposed heterogeneous system will augment the spatial throughput distribution of indoor VLC system. The indoor RF link is assumed to be Rician fading channel in consideration of the fact that it is substantially a line of sight (LOS) link. The VLC links are subjected to statistical fading model based on the uniformly distributed end user position. In this paper, closed-form expressions of the channel statistics like probability density function (PDF) and cumulative distribution function (CDF) of equivalent end-to-end signal to noise ratio (SNR) are derived. Using these derived novel statistics, we evaluate various performance metrics like outage performance and bit error rate for the considered system.

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