Abstract
Intercarrier interference (ICI) self-cancellation schemes were often employed in many OFDM systems as a simple and effective approach to suppress ICI caused by carrier frequency error. In this paper, we propose a space time frequency block coding technique MIMO-OFDM system with ICI self-cancellation of data conjugate method, which is capable of both error correction and ICI reduction produced by the frequency offsets. Then, the system performance of the data-conjugate method with diversity techniques is compared with those of the conventional data-conversion method. As results, it can be seen that the STFB codes MIMO-OFDM system with data-conjugate method can make remarkable improvement of the BER performance and it is better than data-conversion method and the conventional OFDM system.
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