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Abstract
Existing studies of ultraviolet (UV) communication channel models focus mainly on point-to-point scenarios. To analyze UV channel characteristics in omni-directional scenarios, we propose a multiple scattering omni-directional channel model based on the Monte Carlo method in this Letter, where we assume that the receiver can be anywhere in a certain area and all the receivers point to the vertical axis of the transmitter. Meanwhile, we validate the proposed model in comparison to the existing point-to-point Monte Carlo simulation model. Simulation results demonstrate that a single scattering model is not applicable to omni-directional analysis due to the difference in path loss between the single scattering model and the multiple scattering model. Furthermore, the transceiver configurations can affect the coverage area of the UV omni-directional communication system significantly. This work presents a new way to obtain UV path loss distribution and provides guidelines for the omni-directional communication system design.
© 2020 Optical Society of America
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