Abstract
Massive MIMO, which was initially suggested, is a critical technique for meeting the rapidly growing data demand of 5G networks. MIMO technology may provide the propagation channel with a greater degree of flexibility in terms of multiplexing gain or diversity gain. New disruptive technologies have been developed in response to the large increase in data traffic that the forthcoming 5G mobile communication system. This is a critical research area for 5G wireless communication since massive MIMO has the possible system to significantly boost throughput and data transmission charges, as well as residual energy and energy efficiency. As a result of three years of fast development in massive MIMO technology, spectrum efficiency has been enhanced to an unprecedented level by the combination of growing antennas and adopting an extremely duplex communication mechanism. It is achieved by modeling the interference signal first and then constructing an exactly opposite signal added to a pre-distorted signal to cancel it. Additionally, this article discusses precoding methods and energy efficiency.
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