Wireless ultra violet(UV) communication system has the characteristics of strong concealment and all-weather work, and can realize communication in a variety of environments. Establishing a wireless ultraviolet ranging model and introducing a multiple-input multiple-output (MIMO) communication system, the error performance of the MIMO system is calculated, and the influence of its signal-to-noise ratio(SNR), transceiver elevation angle and communication distance on the error rate is analyzed by simulation. Calculation and analysis show that the use of multi-antenna MIMO communication technology can well reduce the bit error rate of the communication system, and improve the anti-fading ability, thereby improving the positioning and guidance accuracy of the unmanned aerial vehicle(UAV) during flight.
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