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When compared to Single-Input Single-Output system (SISO), the multiple-input multiple-output system have a better and larger channel capacity. With this, it is succeeded of having a better multiplexing gain. To approach the channel capacity the Adaptive Modulation technique is a better technique which is utilized by channel state information at transmitter. In this paper, following an analysis of the multiplexing gain of a generic AMC MIMO system, the authors propose an adaptive coded MIMO system that achieves a near-full multiplexing gain as well as a robust BER performance in an outdated CSI environment with Space Time Block Codes.
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