Performance of MRT/RAS MIMO-NOMA With Residual Hardware Impairments

Toka, Mesut; Kucur, Oğuz

doi:10.1109/lwc.2021.3057432

Cited by 11 publications

(7 citation statements)

References 13 publications

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“…In addition to the above-mentioned HIs that will threaten the accurate transmission of the signal, the existence of CEEs is also one of the reasons for the mismatch between the expected signal and the actual transmission signal. To make the research more practical, many researchers have considered the influence of transceiver HIs and CEEs on the system during modeling and analysis [25][26][27][28][29][30][31], such as cognitive amplification and forwarding multirelay networks [25], beyond fifth-generation Internet of Things collaborative NOMA relay system [26], and ambient backscatter NOMA systems [27]. The authors of [28] described the performance of multiple relay systems when there were both transceiver HIs and CEEs.…”

Section: Introductionmentioning

confidence: 99%

Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs

Sun

Wang

Fang³

et al. 2022

Wireless Communications and Mobile Computing

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This paper mainly describes the transmission reliability and physical layer security of multiantenna decode-and-forward relay networks over the κ - μ shadowed fading distribution. We consider the existence of residual hardware impairments (RHIs) and channel estimation errors (CEEs) at the same time. Firstly, we give the network model. On this basis, we analyze the reliability and security by deriving the exact expressions of outage probability (OP) and intercept probability (IP). To further verify and investigate the theoretical derivation, the approximate analysis of OP is obtained under the high signal-to-noise ratio. In addition, we also use an optimized antenna selection technology at the transmitter to improve the security performance. Finally, through the comparative study of theoretical simulation and Monte Carlo simulation results, the factors affecting network transmission and security are acquired. The interesting conclusion is that both RHIs and CEEs can increase OP and decrease IP; that is to say, the existence of RHIs and CEEs can reduce reliability and enhance security.

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Section: Introductionmentioning

confidence: 99%

Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs

Sun

Wang

Fang³

et al. 2022

Wireless Communications and Mobile Computing

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“…The system performance of NOMA downlink (DL) models such as single‐input single‐output (SISO), multiple‐input single‐output (MISO), and MIMO is evaluated in terms of outage probability and system throughput in Tran and Voznak 26 . The theoretical analysis of outage probability over Nakagami‐ m fading channel is conducted inToka and Kucur 27 ; the author utilizes maximum ratio transmission (MRT)/receive antenna selection (RAS) selection criterion, CEE, and imperfect SIC. The performance of cooperative NOMA MRC is compared with standard cooperative NOMA in Belmekki et al, 28 and it shows that MRC assisted NOMA offers a significant improvement over the conventional cooperative NOMA and also cooperative OMA system.…”

Section: Introductionmentioning

confidence: 99%

Performance of NOMA‐assisted MRC receivers in presence of imperfect SIC and CSI errors

Soni

Jain

Rawal

et al. 2022

Int J Communication

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Summary In this paper, we analyze the performance of maximum‐ratio combining (MRC) receivers for single‐input multiple‐output (SIMO) non‐orthogonal multiple access (NOMA) system. We explore the aforesaid system performance in presence of impairments like imperfect channel state information (CSI) and successive interference cancellation (SIC) errors. In general, receive diversity provides diversity gain and helps to maintain quality of service (QoS), while the NOMA system achieves higher spectral efficiency compared to orthogonal multiple access (OMA). Power‐domain NOMA system transmits superimposed‐coded signal, which utilize SIC detection method at the receiving users. Here, we derive the closed‐form expression of the average bit error rate (BER) for the MRC‐based NOMA system. We also analyze the performance of the system in high signal‐to‐noise ratio (SNR) regime through derived asymptotic expression. Furthermore, the outage probability, diversity order, and sum rate comparison between NOMA and OMA system are also presented. Simulation results also validate the derived theoretical expressions and confirm the diversity gain achieved for the considered system.

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“…In order to exploit receive diversity, RAS scheme has been applied at receivers of all users and eavesdropper. In [37], outage performance of hybrid MRT/RAS scheme is investigated in single-hop multi-user NOMA system in the presence of RHIs together with CEEs and ipSIC. In [38], impact of RHIs on dual-hop multi-user NOMA network with AF relay has been investigated over Nakagami-𝑚 fading channels in terms of OP and ergodic rate.…”

Section: Introductionmentioning

confidence: 99%

Performance Analyses of MRT/MRC in Dual-Hop NOMA Full-Duplex AF Relay Networks with Residual Hardware Impairments

Toka,

Guven,

Kurt

et al. 2021

Preprint

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This paper analyzes the performance of maximum-ratio transmission (MRT)/maximum-ratio combining (MRC) scheme in a dual-hop non-orthogonal multiple access (NOMA) full-duplex (FD) relay networks in the presence of residual hardware impairments (RHIs). The effects of channel estimation errors (CEEs) and imperfect successive interference cancellation are also considered for a realistic performance analysis. In the network, the base station and multiple users utilize MRT and MRC, respectively, while a dedicated relay consisting of two antennas, one for receiving and the other for broadcasting, operates in amplify-and-forward mode. For performance criterion, exact outage probability (OP) expression is derived for Nakagami-𝑚 fading channels. Furthermore, a tight lower bound and asymptotic expressions are also derived to provide more insights into the obtained OP in terms of diversity order and array gain. The obtained numerical results demonstrate the importance of loopinterference cancellation process at FD relay in order for the investigated system to perform better than half-duplex-NOMA counterpart. Also, a performance trade-off between the MRT and MRC schemes is observed in the presence of CEEs among users. Furthermore, it is shown that RHIs have a significant effect on the performance of users with lower power coefficients, however it does not change the diversity order. RHIs and CEEs have the most and least deterioration effects on the system performance, respectively.

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Performance of MRT/RAS MIMO-NOMA With Residual Hardware Impairments

Cited by 11 publications

References 13 publications

Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs

Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs

Performance of NOMA‐assisted MRC receivers in presence of imperfect SIC and CSI errors

Performance Analyses of MRT/MRC in Dual-Hop NOMA Full-Duplex AF Relay Networks with Residual Hardware Impairments

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Performance of MRT/RAS MIMO-NOMA With Residual Hardware Impairments

Cited by 11 publications

References 13 publications

Security Performance Analysis of Relay Networks Based on κ - μ Shadowed Channels with RHIs and CEEs

Security Performance Analysis of Relay Networks Based on κ - μ Shadowed Channels with RHIs and CEEs

Performance of NOMA‐assisted MRC receivers in presence of imperfect SIC and CSI errors

Performance Analyses of MRT/MRC in Dual-Hop NOMA Full-Duplex AF Relay Networks with Residual Hardware Impairments

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Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs

Security Performance Analysis of Relay Networks Based on $κ$ - $μ$ Shadowed Channels with RHIs and CEEs