Abstract

In this paper, antenna subset selection for downlink millimeter wave (mmWave) massive MIMO systems is studied. A low complexity method is proposed to select antenna subset on a uniform planar array (UPA) in base station. The antenna subset selection is reduced to find the optimal positions of the sub-arrays on the UPA. Numerical results show that our proposed antenna subset selections with two or four sub-arrays are superior to transmission using all antennas when the number of users is two in high SNR regime.

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