Evaluation of the capacity of Rate-Splitting Multiple Access communication systems

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Abstract

The Rate-Splitting Multiple Access (RSMA) method for multi-antenna communication systems is described. The sequence of operations for RSMA signal formation and processing is presented. RSMA usage scenarios in communication systems are considered, and the efficiency of this method is substantiated. Capacity estimates of the RSMA method are obtained in comparison with other multiple access methods. Numerical modeling of the average capacity per user is conducted using the QuaDRiGa tool. It is shown that RSMA achieves higher capacity compared to other multiple access methods used in multi-antenna communication systems.

About the authors

D. А. Pokamestov

Tomsk State University of Control Systems and Radioelectronics

Author for correspondence.
Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

А. V. Filatov

Tomsk State University of Control Systems and Radioelectronics

Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

Ya. V. Kryukov

Tomsk State University of Control Systems and Radioelectronics

Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

А. S. Shinkevich

Tomsk State University of Control Systems and Radioelectronics

Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

G. N. Shalin

Tomsk State University of Control Systems and Radioelectronics

Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

Е. V. Rogozhnikov

Tomsk State University of Control Systems and Radioelectronics

Email: dmaltomsk@mail.ru
Russian Federation, prosp. Lenina, 40, Tomsk, 634050

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