Abstract

Antenna selection can handle the cost and complexity issues in massive multiple-input multiple-output (MIMO) channels. In this article, the sum-rate capacity of a multiuser massive MIMO uplink channel is analyzed. A mathematically tractable sum-rate capacity upper bound is derived for the considered system. Furthermore, for a sufficiently large base station (BS) antenna number, a deterministic equivalent (DE) of the sum-rate capacity bound is derived. Based on this DE, the sum-rate capacity is shown to grow double logarithmically with the number of BS antennas. Numerical experiments confirm the validity of the analytical results.

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