Recent advances in space-time signal processing have enabled the realization of multiple-input multiple-output (MIMO) communication systems that are capable of delivering high data rates up to 20 Mbps. As a result, intensive research into MIMO communication systems has been carried out and it is highly probable that MIMO architectures will be important contenders for the next generation mobile communication systems (3G/4G) as they will provide a scalable upgrade path towards 4G systems.
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