학술논문

On the Exact Closed-Form ABEP Analysis of Downlink NOMA Over mmWave TWDP Fading
Document Type
Periodical
Source
IEEE Communications Letters IEEE Commun. Lett. Communications Letters, IEEE. 27(4):1115-1119 Apr, 2023
Subject
Communication, Networking and Broadcast Technologies
NOMA
Modulation
Millimeter wave communication
Signal to noise ratio
Rayleigh channels
Interference cancellation
Rician channels
Non-orthogonal multiple access
average bit error probability
quadrature phase-shift-keying
binary phase-shift-keying
two-wave with diffuse power
millimeter-wave
Language
ISSN
1089-7798
1558-2558
2373-7891
Abstract
This letter presents the performance analysis of two users’ downlink non-orthogonal multiple access (NOMA) over a millimeter-wave two-wave with diffuse power (TWDP) fading model for successive interference cancellation errors. The new closed-form expressions of average bit error probability (ABEP) for both users are derived for quadrature phase-shift-keying and binary phase-shift-keying modulation pairs. Further, the asymptotic ABEP expressions are derived to provide better insights into the performance analysis. The diversity order of each user is also derived with the aid of asymptotic ABEP expression. The obtained expressions over TWDP fading channels are generalized ABEP expressions as it also shows ABEP expressions for both Rician and Rayleigh fading channels as special cases. Simulation results support the correctness of each analytical ABEP expression.