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Deals with a study which derived a fully analytical expression for the union bound on symbol-error rate (SER) for the joint detection of several cochannel fading signals using a diversity antenna array. Analytical solution for SER; Asymptotic behavior; Conclusions.

Discusses a study which analyzed the effects of gain decoration and the number of antennas and assessed the effect of fading when the method supports multiple users. Function of the base station in maximal ratio transmission; System model; Application of complex weights to the transmitter antennas.

Presents information on a study which considered an erasure flagging-based pilot signal channel used for improving the performance of a Reed-Solomon errors and erasures decoder in Rayleigh fading channels. System model; Optimal character erasure flagging; Symbol erasure flagging; Analysis of the Reed-Solomon decoder; Conclusions.

Presents a study on a method used for exact calculation of the union bound on error performance of trellis-coded modulation (TCM) in fading channels. System model; Computation of the true union bound (TUB).