On the effective rate of noma in underlay spectrum sharing

Vaibhav Kumar; Zhiguo Ding; Mark F. Flanagan

doi:10.1109/TVT.2021.3114657

On the effective rate of noma in underlay spectrum sharing

Vaibhav Kumar, Zhiguo Ding, Mark F. Flanagan

Electrical Engineering

University College Dublin

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this paper, we present the delay-constrained performance analysis of a multi-antenna-assisted multiuser non-orthogonal multiple access (NOMA) based spectrum sharing system over Rayleigh fading channels. We derive analytical expressions for the sum effective rate (ER) for the downlink NOMA system under a peak interference constraint. In particular, we show the effect of the availability of different levels of channel state information (instantaneous and statistical) on the system performance.We also show the effect of different parameters of interest, including the peak tolerable interference power, the delay exponent, the number of antennas and the number of users, on the sum ER of the system under consideration. An excellent agreement between simulation and theoretical results confirms the accuracy of the analysis.

Original language	British English
Pages (from-to)	12220-12225
Number of pages	6
Journal	IEEE Transactions on Vehicular Technology
Volume	70
Issue number	11
DOIs	https://doi.org/10.1109/TVT.2021.3114657
State	Published - 1 Nov 2021

Keywords

Channel state information
Effective rate
NOMA
Spectrum sharing

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10.1109/TVT.2021.3114657

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AU - Ding, Zhiguo

AU - Flanagan, Mark F.

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N2 - In this paper, we present the delay-constrained performance analysis of a multi-antenna-assisted multiuser non-orthogonal multiple access (NOMA) based spectrum sharing system over Rayleigh fading channels. We derive analytical expressions for the sum effective rate (ER) for the downlink NOMA system under a peak interference constraint. In particular, we show the effect of the availability of different levels of channel state information (instantaneous and statistical) on the system performance.We also show the effect of different parameters of interest, including the peak tolerable interference power, the delay exponent, the number of antennas and the number of users, on the sum ER of the system under consideration. An excellent agreement between simulation and theoretical results confirms the accuracy of the analysis.

AB - In this paper, we present the delay-constrained performance analysis of a multi-antenna-assisted multiuser non-orthogonal multiple access (NOMA) based spectrum sharing system over Rayleigh fading channels. We derive analytical expressions for the sum effective rate (ER) for the downlink NOMA system under a peak interference constraint. In particular, we show the effect of the availability of different levels of channel state information (instantaneous and statistical) on the system performance.We also show the effect of different parameters of interest, including the peak tolerable interference power, the delay exponent, the number of antennas and the number of users, on the sum ER of the system under consideration. An excellent agreement between simulation and theoretical results confirms the accuracy of the analysis.

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On the effective rate of noma in underlay spectrum sharing

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Keywords

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