Volume 13, Number 6

BER Analysis for Downlink MIMO-NOMA Systems over Rayleigh Fading Channels

  Authors

Vu Tran Hoang Son^{1, 2} and Dang Le Khoa^{1, 2*}, ¹VNUHCM - University of Science, Vietnam, ²Vietnam National University, Vietnam

  Abstract

The Multiple-input multiple-output (MIMO) technique combined with non-orthogonal multiple access (NOMA) has been considered to enhance total system performance. This paper studies the bit error rate of two-user power-domain NOMA systems using successive interference cancellation receivers, with zeroforcing equalization over quasi-static Rayleigh fading channels. Successive interference cancellation technique at NOMA receivers has been the popular research topic due to its simple implementation, despite its vulnerability to error propagation. Closed-form expressions are derived for downlink NOMA in single-input single-output and uncorrelated quasi-static MIMO Rayleigh fading channel. Analytical results are consolidated with Monte Carlo simulation.

  Keywords

Bit error rate, Multiple-input multiple-output, non-orthogonal multiple access.