The characteristics of non-line-of-sight (NLOS) ultraviolet (UV) overwater communication channels under shore-to-vessel conditions and multiple scattering effects is modeled using Monte Carlo simulations. The field experiment measured received photon distribution, and calculated path loss at distances of up to 164 meters with the support of a GPSsynchronized accelerometer. Key parameters, such as transceiver elevation angles, water surface reflection index, airborne humidity, pollution, and temperature, were considered and analyzed in path loss simulations to more accurately compare with measured data. These channel modeling and experimental results will serve as the foundation for further study of the NLOS UV overwater and maritime communication system.
In this report, the characteristics of non-line-of-sight (NLOS) ultraviolet (UV) overwater communication channels which includes scattering and turbulence effects are modeled using Monte Carlo multiple scattering simulation. The overwater field experimental measurements of turbulence effect and path loss at the distances of up to 1700 meters were reported and analyzed by considering key parameters such as communication distance, transceiver angles, water surface reflection index, along with airborne humidity, and temperature. These channel modeling and experimental results will serve as the foundation for further study of the NLOS UV overwater communication system in shore-to-shore (STS), shore-to-vessel (STV), and vessel-to-vessel (VTV) communication link configurations.
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