Optimal user grouping in PD-NOMA systems

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Resumo

An algorithm for optimal user grouping in wireless communication systems using PD-NOMA (Power Domain Non-Orthogonal Multiple Access) technology is proposed. The algorithm aims to minimize inter-group interference and improve the system›s interference resistance. The application of the proposed approach enables a base station with four transmit antennas to serve up to eight users, which significantly exceeds the capabilities of traditional systems employing MIMO (Multiple-Input-Multiple-Output) technology. Compared to existing user grouping algorithms, the new algorithm provides an interference robustness gain of up to 2 dB.

Sobre autores

V. Kreyndelin

Moscow Technical University of Communications and Informatics

Email: vitkrend@gmail.com
8a, Aviamotornaya Str., Moscow, 111024 Russian Federation

L. Varukina

Moscow Technical University of Communications and Informatics

8a, Aviamotornaya Str., Moscow, 111024 Russian Federation

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