Outage performance analysis of non-orthogonal multiple access systems with RF energy harvesting

Van, Hoang Thien; Anh, Vo Tien; Le, Danh Hong; Phu, Ma Quoc; Nguyen, Hoang-Sy

doi:10.11591/ijece.v11i5.pp4135-4142

Cited by 4 publications

(5 citation statements)

References 18 publications

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“…It occurs when the fading channel coherence's bandwidth is large compared to the bandwidth of the transmitted signal [37]. The propagated signal is treated and multiplied by a single path of a complex value 𝑎 𝑖 as ( 10) and (11).…”

Section: Simulation Tests and Resultsmentioning

confidence: 99%

BER-performance evaluation for 5G-PD-NOMA system in multipath communication channels

K. Abboud,

Azeez,

J. Abbass

2024

TELKOMNIKA

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In this paper, a bit error rate (BER) performance is evaluated for power domain non-orthogonal multiple access (PD-NOMA) system. The performance test is examined considering; additive white gaussian noise (AWGN), flat and long-term evolution (LTE)-multipath selective channels such as; pedestrian channel model (EPA), vehicular channel model (EVA), and typical urban model (ETU). The proposed system considering two user equipment's (UE1 and UE2) with a single base station (BS) for downlink channel. Two different powers were allocated to each user according to their positions from the BS. The superposition coding process is performed with successive-interference-cancelation (SIC) at both transmitter/receiver sides respectively to distinguish the desired received signal. The performance evaluations proves that the degree of power allocated to each user plays a significant rule in frequency selection environments. UE1 has a better BER performance than UE 2 by about 9 dB in EPA, 6 dB in EVA, and 7 dB in ETU environments respectively at a BER of 10 -3 . However, in flat fading environment, the distance for each user represents a significant factor affecting the BER performance, where, UE 2 has a better BER performance than UE 1 by about 10 dB at a BER of 10 -3 .

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Section: Simulation Tests and Resultsmentioning

confidence: 99%

BER-performance evaluation for 5G-PD-NOMA system in multipath communication channels

K. Abboud,

Azeez,

J. Abbass

2024

TELKOMNIKA

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“…The far user does only direct decoding. The possible data rates for the near and far users at the end of the direct transmission slot are given in [30] and are as follows:…”

Section: Direct Transmission Slotmentioning

confidence: 99%

“…Since the near user decoded the data of the far user in the previous time slot, the near user already has it. The near user simply The total Rayleigh fading channels for each user are given by [30] and are as follows:…”

Section: Relaying Slotmentioning

confidence: 99%

Design of Power Location Coefficient System for 6G Downlink Cooperative NOMA Network

et al. 2022

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Cooperative non-orthogonal multiple access (NOMA) is a technology that addresses many challenges in future wireless generation networks by delivering a large amount of connectivity and huge system capacity. The aim of this paper is to design the varied distances and power location coefficients for far users. In addition, this paper aims to evaluate the outage probability (OP) performance against a signal-to-noise ratio (SNR) for a 6G downlink (DL) NOMA power domain (PD) and DL cooperative NOMA PD networks. We combine a DL cooperative NOMA with a 16 × 16, a 32 × 23, and a 64 × 64 multiple-input multiple-output (MIMO) and a 128 × 128, a 256 × 256, and a 512 × 512 massive MIMO in an innovative method to enhance OP performance rate and mitigate the power location coefficient’s effect for remote users. The results were obtained from Rayleigh fading channels using the MATLAB simulation software program. According to the outcomes, increasing the power location coefficients for the far user from 0.6 to 0.8 reduces the OP rate because increasing the power location coefficient for the far user decreases the power location coefficient for the near user, which results in less interference between them. In terms of the OP performance rate, the DL cooperative NOMA outperforms the NOMA. According to the findings, the DL cooperative NOMA OP rate outperforms the DL NOMA by a rate of 10−0.5. Whereas the 16 × 16 MIMO enhances the OP for the far user by 78.0 × 10−4 , the 32 × 32 MIMO increases the OP for the far user by 19.0 × 10−4, and the 64 × 64 MIMO decreases the OP rate for the far user by 5.0 × 10−5. At a SNR of 10 dB, the 128 × 128 massive MIMO improves the OP for the far user by 1.0 × 10−5. The 256 × 256 massive MIMO decreases the OP for the far user by 43.0 × 10−5, and the 512 × 512 massive MIMO enhances the OP for the far user by 8.0 × 10−6. The MIMO techniques improve the OP performance, while the massive MIMO technology enhances the OP performance dramatically.

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“…Non-orthogonal multiple access (NOMA) promises to be an indispensable technology in next-generation mobile networks to improve spectral efficiency as it considers one of the most interesting wireless network technologies in the future [1]- [5]. Unlike more conventional orthogonal multiple access methods such as time division multiple access (TDMA), essentially, the goal of NOMA is to allow several users to share the same frequency band while operating at different power rates [6]. The NOMA method exploits a different element in the power field [7]- [10].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of outage probability for down link cooperative non-orthogonal multiple access in fifth-generation network

Hassan

Singh

Hamid

et al. 2023

IJECE

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<span lang="EN-US">Future wireless networks are expected to face several issues, but cooperative non-orthogonal multiple access (C-NOMA) is a promising technology that could help solve them by providing unprecedented levels of connection and system capacity. In this regard, the influence of the power location coefficient (PLC) for remote users adopting multiple-input-multiple-output (MIMO) and massive MIMO has been explored to provide effective performance. The goal of this study is to design fifth-generation (5G) downlink (DL) NOMA power domain (PD) networks with a variety of distances and PLCs for remote users and then to compare their outage probability (OP) performance versus signal to noise ratio (SNR). As a novel approach to improving OP performance rate and mitigating the influence of the PLC for remote users, DL C-NOMA is combined with 16×16, 32×23, and 64×64 MIMO and 128×128, 256×256, and 512×512 massive MIMO. The results were obtained that the 64×64 MIMO improves the OP for the remote user by 65.0E-03, while the 512×512 massive MIMO achieved an improvement that reaches 1.0E-06 for the PLC of 0.8 at SNR of 14 dB. The Rayleigh fading channels and MATLAB simulation tools were utilized to carry out the study work.</span>

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Outage performance analysis of non-orthogonal multiple access systems with RF energy harvesting

Cited by 4 publications

References 18 publications

BER-performance evaluation for 5G-PD-NOMA system in multipath communication channels

BER-performance evaluation for 5G-PD-NOMA system in multipath communication channels

Design of Power Location Coefficient System for 6G Downlink Cooperative NOMA Network

Enhancement of outage probability for down link cooperative non-orthogonal multiple access in fifth-generation network

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