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The space-time spreading(STS),superimposed training sequences and space-time coding(STC)are adopted to obtain a closed-form of average error probability upper bound and maximum likelihood esti-mation expression for multiple input and multiple output(MIMO)correlated frequency-selective channelin the presence of interference(colored interference).Moreover,the correlation at both ends of the wire-less link that can be incorporated equivalently into correlation at the transmit end is derived.Finally,themean square error(MSE)of the maximum likelihood estimate is also derived.
The space-time spreading (STS), superimposed training sequences and space-time coding (STC) are obtained to obtain a closed-form of average error probability upper bound and maximum likelihood estimation-mation expression for multiple input and multiple output (MIMO) correlated frequency-selective channelin the presence of interference (colored interference) .Moreover, the correlation at both ends of the wire-less link that can be incorporated equivalently into correlation at the transmit end is derived .Finally, themean square error (MSE) of the maximum likelihood estimate is also derived