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Non-Orthogonal Multiple Access
(2021)
At present, the spectrum available in wireless communication systems is limited. To meet the high demands in fifth-generation (5G) wireless communication systems, Non-orthogonal multiple access (NOMA) has been introduced. ...
Improving the spectral efficiency of Precoded-MIMO Systems
(2021)
Transmit Precoding is used in MIMO systems as it reduces the complexity of the MIMO receiver and simplifies the decoding procedure. A multiple-input multiple-output (MIMO) system with Precoding typically suffers from a ...