Abstract
Exact closed-form expressions of the outage probability (OP) are obtained for the maximal ratio combining (MRC) diversity scheme in κ-μ shadowed fading channels with an arbitrary number of independent antennas. The scenario considered in this work assumes the joint presence of background white Gaussian noise and independent Rayleigh-faded interferers with arbitrary powers. The statistical characterizations, i.e., probability density function (PDF) and incomplete generalized moment-generating function (IG-MGF) of the κ-μ shadowed distribution are obtained in closed form. By utilizing the IG-MGF results, exact closed-form expressions for the OP of MRC are derived in κ-μ shadowed fading channels with mixed background noise and interference. Simulation results are included to validate the correctness of the analytical derivations. This set of new statistical results can be applied to the modeling and analysis of several wireless communication systems, such as body-centric communications.
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