BER analysis of full duplex NOMA downlink and uplink co-operative user relaying systems over Nakagami-m fading environment

Sashiganth, M.; Thiruvengadam, S. J.; Kumar, D. Sriram

doi:10.1016/j.phycom.2019.100963

Cited by 16 publications

(5 citation statements)

References 23 publications

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“…the EC and OP for multiple relays have been evaluated. Also, the bit error rate (BER) is another key performance indicator (KPI) that has been examined for CNOMA FD/HD with single/multiple relays under the imperfection of the ICSI and ISIC [17,[25][26][27][28][29][30][31][32]. Through the earlier literature, NOMA has the ability to serve multiple users at the same time and achieve superiority over OMA schemes in terms of OP and EC, while the error performance of OMA is better because NOMA schemes suffer from inter-user interference (IUI) [33].…”

Section: Of 18mentioning

confidence: 99%

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An efficient hybrid energy harvesting protocol for cooperative NOMA systems: Error and outage performance

Khennoufa

Khelil

Rabie

et al. 2023

Physical Communication

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Section: Of 18mentioning

confidence: 99%

“…where f Y (Y) is the PDF of Y, which can be acquired by the PDF of the product of two chi-square distributions and can be defined after simplification using [61, 3.478,4] as 3)] and we substitute these conversions into (30) with algebraic manipulations and by using [61, Eq. (9.311)] and [63, Eq.…”

Section: Acknowledgmentsmentioning

confidence: 99%

An efficient hybrid energy harvesting protocol for cooperative NOMA systems: Error and outage performance

Khennoufa

Khelil

Rabie

et al. 2023

Physical Communication

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Section: Of 18mentioning

confidence: 99%

An Efficient Hybrid Energy Harvesting Protocol for Cooperative NOMA Systems: Error and Outage Performance

Khennoufa¹,

Khelil²,

Kaya³

et al. 2022

Preprint

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Cooperative non-orthogonal multiple access (CNOMA) has been recently adapted with energy harvesting (EH) to increase energy efficiency and extend the lifetime of energy-constrained wireless networks. In EH, two protocols are usually used for CNOMA, namely, power splitting (PS) and time switching (TS). In order to improve the existing EH protocols, this paper investigates a hybrid EH protocol-assisted CNOMA, which is a combination of the two aforementioned main existing EH protocols. The end-to-end bit error rate (BER) and outage probability (OP) expressions of users in our scheme are derived over Nakagami-m fading channels. For the sake of comparison and to highlight the achievable gains, the performance of the hybrid EH (HEH) protocol is compared with the benchmark schemes (i.e., existing EH protocols and no-EH). Based on extensive simulations, it is shown that the analytical results match perfectly with simulations which demonstrates the correctness of the derivations. Numerical results clearly indicate the superiority of the proposed scheme over all the considered benchmarks. In addition, we discuss the optimum value of EH factors to minimize the error and outage in the proposed scheme and show that an optimum value can be obtained according to channel parameters.

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“…Analytical equations for ESC, OP, and OSC are offered for optimal information exchange under perfect and imperfect consecutive interference cancellation. In (8) the author's study examines the performance of a cooperative relaying full duplex Non Orthogonal Multiple Access (CR-FD-NOMA) system in downlink and uplink scenarios over Nakagami-m fading distribution by deriving an approximated closed form BER expression of both the users in downlink and uplink systems.…”

Section: Introductionmentioning

confidence: 99%

Performance of Relaying System with NOMA over Symmetric a-Stable Noise Channels

Anwar,

Abass,

Kadhim

2024

IJST

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Objectives: This paper investigates the performance of a candidate 5G transmission system technique that is Non-Orthogonal Multiple Access (NOMA) over α-stable channels. This type of channel gets more attention in the research community because of its ability to model new IoT scenarios. However, there is a research gap in applying this type of channel to different wireless communications scenarios. In this work, we envision a scenario where users employ NOMA communications in the presence of an obstacle. As our mathematical analysis and simulation results show, there is a significant difference in performance when considering α-stable channels. Methods: To characterize the performance of the proposed noise channel, performance metrics such as outage probability and achievable rate are discussed. More particularly, we derive expressions for both outage probability and achievable rate for three NOMA users, considering the near user as a relay. In this paper, we consider additive symmetric α-stable noise channels with alpha α ∈ (1, 2). We present expressions for achievable rate and outage probability for each user (near, middle, and far) and investigate its behavior for different values of alpha (α). Findings: Based on the simulation results, it is shown that the high achievable rate observed for low alpha values while reduced as alpha is increased. Also, due to the influence of alpha, the outage probability is highly affected by α for small rate thresholds (Ro). In an envisioned scenario of three users with only one user forwarding the transmission to the other two, our results show that the near and middle users’ outage probability decreases as alpha α increases. Novelty: Despite this extensive study of the NOMA on individual channels, transmission under α-stable channel is not considered to the best of the authors’ knowledge. Keywords: NOMA, relaying, Cooperative Non-Orthogonal Multiple Access, Symmetric α-Stable Noise Channels, Achievable rate

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BER analysis of full duplex NOMA downlink and uplink co-operative user relaying systems over Nakagami-m fading environment

Cited by 16 publications

References 23 publications

An efficient hybrid energy harvesting protocol for cooperative NOMA systems: Error and outage performance

An efficient hybrid energy harvesting protocol for cooperative NOMA systems: Error and outage performance

An Efficient Hybrid Energy Harvesting Protocol for Cooperative NOMA Systems: Error and Outage Performance

Performance of Relaying System with NOMA over Symmetric a-Stable Noise Channels

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