Measurements-Based Channel Models for Indoor LiFi Systems

Light-fidelity (LiFi) is a fully-networked bidirectional optical wireless communication (OWC) technology that considered as promising solution for high-speed indoor connectivity. Unlike in conventional radio frequency systems, the OWC channel not isotropic, meaning device orientation affects gain significantly. However, due to lack of proper models LiFi many studies have assumed receiver vertically upward and randomly located within coverage area, which realistic assumption from practical point view. In this paper, novel measurement-based systems are proposed. Precisely, statistics derived case oriented stationary mobile users. For users, two proposed, namely, modified truncated Laplace (MTL) model Beta (MB) model. sum Gaussian (SMTG) (SMB) Based on models, impact random spatial distribution users investigated, where we show aforementioned factors can strongly affect system performance.