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Analytical Study for Helicopter-Satellite Communications Systems
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In the helicopter-Satellite Communication (H-SATCOM) the periodic blockage of the received signal due to rotor blades and carrier frequency fluctuation due to Doppler shift are two dominant impairments. This paper investigates the performance of a Helicopter–Satellite communications system from an analytical view point under conditions such as the periodic blockage due to rotor blades, time diversity transmission technique, and Viterbi decoding technique. Bit Error Probability is considered as the performance metric. The deduced mathematical expressions for periodic blockage, time diversity transmission technique, and Viterbi decoding are matched well with those resulting from simulations. Hence our analysis can be considered as a theoretical platform for further modification, development, and guidance for originating application. Also it gives precision, direction for problem solution, and system control.
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