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Existing analysis on the error performance of space-time block codes has focused on deriving error-rate upper bounds for a general system or exact error probabilities for some special cases. The authors introduce a general method to calculate the exact error probability for orthogonal space-time block codes in multiple-input multiple-output systems which employ coherent and differentially coherent phase shift keying (PSK) modulation over flat Rayleigh fading channels. These results enable one to evaluate the performance of space-time block-coded systems with different coding rates and an arbitrary number of transmit and receive antennas.
Date of Publication: 8 April 2005