In Wireless Network Systems, Massive-Multi-Input Multi-Output (M-MIMO) systems based on several antennas to transform numerous data streams simultaneously. The optimal Transmit Antennas selection remains as an important constraint in M-MIMO systems. Additionally, the power or energy consumption increases when the count of antennas is increased. In reality, huge number of transmit antennas is required that leads to an increase in power utilization for obtaining maximum capacity. Therefore, this paper aims to attain the optimal transmit selection of antennas in order to solve these problems in M-MIMO systems, using a multi-objective problem, which increases both the relative Energy Efficiency and capacity. For obtaining this objective, the proposed novel optimization technique not only optimizes the number of transmit antennas but also optimizes the antenna, which antenna has to be selected. Therefore, for optimal selection of antennas, enhanced WOA is exploited, which determines the number of antennas and how to select the antennas in an optimal way.
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