Abstract
In the last decade, Multiple-Input Multiple-Output (MIMO) algorithms have been developed for mobile communications networks to increase spectrum efficiency and reduce the transmitted power, which are also two of the main Key Performance Indicators of Fifth Generation New Radio (5G NR). Therefore, various MIMO algorithm are being researched for their suitability in 5G NR specifications. The objective of this study is to examine the performance gains achieved through the use of multiple transmit antennas and multiple receive antennas in 5G NR Physical Shared Downlink Channel (PDSCH). The study examines separately the array gains of Single-Input Multiple Output (SIMO) and Multiple-Input Single Output (MISO) then combines the transmitter and the receiver diversities in a MIMO system for 5G PDSCH. The array gains are achieved through precoding and combining vectors obtained by the use of Singular Value Decomposition (SVD). The results show that theoretical array gains are achieved in simulation environment.
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