Energy Efficiency of Very Large Multiuser MIMO Systems with Transmit Antenna Selection

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
In this paper, transmit antenna selection is performed to improve the energy efficiency of multiuser large scale Multiple Input and Multiple Output (MIMO) systems, which is necessary for the energy efficiency maximization of large scale MIMO, because the RF chains which are connected with antennas are very expensive and consume a lot of power. However, the consumed power of the large scale MIMO systems should include not only transmit power but also the fundamental power for operating the circuit at the transmitter, because the effect of circuit power consumption is more serious when the transmitter is equipped with massive number of antennas.
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