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MIMO-OFDM system has been currently recognized as one of the most competitive technology for 4G mobile wireless systems. MIMO-OFDM system can compensate for the lacks of MIMO systems and give play to the advantages of OFDM system. In this paper, a general Orthogonal Space Time Block Code (OSTBC) structure is proposed for Multiple-Input Multiple-Output - Orthogonal Frequency-Division Multiplexing (MIMO-OFDM) systems for 8X8 antenna configuration. The signal detection technology used in this paper for MIMO-OFDM system is Zero-Forcing Equalization (linear detection technique). In this paper the analysis of high level of modulations (i.e M-PSK for different values of M) on MIMO-OFDM system is presented.
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