Signal Demodulation Method in the PD-NOMA System Using a Nonlinear Algorithm with Successive Cancellation of Demodulated Components

V. B. Kreindelin; Крейнделин В. Б.; L. A. Varukina; Варукина Л. А.

doi:10.31857/S0033849423070069

Signal Demodulation Method in the PD-NOMA System Using a Nonlinear Algorithm with Successive Cancellation of Demodulated Components

Authors: Kreindelin V.B.¹, Varukina L.A.¹
Affiliations:
1. Moscow Technical University of Communications and Informatics
Issue: Vol 68, No 7 (2023)
Pages: 669-675
Section: ТЕОРИЯ И МЕТОДЫ ОБРАБОТКИ СИГНАЛОВ
URL: https://journals.rcsi.science/0033-8494/article/view/138307
DOI: https://doi.org/10.31857/S0033849423070069
EDN: https://elibrary.ru/WPFAVW
ID: 138307

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Abstract
About the authors
References
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Abstract

A method for signal demodulation in a system with power-domain non-orthogonal multiple access is proposed. The method implements the principle of successive cancellation of demodulated components taking into account the variance of the estimation error and using a nonlinear function. The results of simulation of the proposed method in a cellular communication system are presented: the use of the proposed method allows an improvement by 1–3.5 dB compared to known algorithms, depending on the power ratio of signals transmitted by three user terminals.

Keywords

power-domain non-orthogonal multiple access, successive cancellation, cellular communication system

About the authors

V. B. Kreindelin

Moscow Technical University of Communications and Informatics

Email: vitkrend@gmail.com
Moscow, 111024 Russia

L. A. Varukina

Moscow Technical University of Communications and Informatics

Author for correspondence.
Email: vitkrend@gmail.com
Moscow, 111024 Russia

References

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