Abstract
It is known that the main limitation of implementing the multiple input multiple output (MIMO) system is the complexity and high cost of the hardware in the RF section. In this paper, an approach of using time division multiplexing (TDM) with a MIMO receiver to reduce the power consumption and cost of the multiple antenna RF chains is proposed and evaluated. By using the TDM technique, our proposed orthogonal frequency division multiplexing OFDM-MIMO receiver reduces the number of RF chains from N to 1, which significantly reduces the overall cost and size of the MIMO receiver. Finally simulation results show that the simple MIMO receiver almost can provide the same diversity gain as the diversity gain of the multiple RF chain MIMO systems.
Published Version
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