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Macrodiversity system including macrodiversity SC receiver and two microdiversity SC receivers is consid- ered in this paper. Received signal experiences, simultane- ously, both, long term fading and short term fading. Microdiversity SC receivers reduce Rayleigh fading effects on system performance and macrodiversity SC receivers mitigate Gamma shadowing effects on system performance. Closed form expressions for level crossing rate of microdi- versity SC receivers output signals envelopes are calcu- lated. This expression is used for evaluation of level crossing rate of macrodiversity SC receiver output signal envelope. Numerical expressions are illustrated to show the influence of Gamma shadowing severity on level crossing rate.

Level Crossing Rate of Macrodiversity System in the Presence of Multipath Fading and Shadowing