A Review on Visible Light Communication System for 5G

Jbari, Mohamed El; Moussaoui, Mohamed; Chahboun, Noha

doi:10.1007/978-3-030-94188-8_9

Cited by 11 publications

(2 citation statements)

References 25 publications

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“…The obtained results have been compared with the analytical solutions and prove that the proposed method is stable and has an excellent accuracy. The transmission coefficients can be controlled by changing the biased electrostatic field and can be used to model and simulate graphene-based complex devices such as filter, reflector, antenna, and sensor, for frequencies below the THz frequency regime [27].…”

Section: Discussionmentioning

confidence: 99%

Efficient ADE-TLM Scheme for Modeling Drude Based Graphene in Terahertz Spectrum

Moumou,

El Adraoui,

Mounirh

et al. 2023

PIER Letters

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In this work, a novel time domain Transmission Line Matrix (TLM) algorithm with Symmetrical Condensed Node (SCN) is developed to model electromagnetic (EM) wave propagation through a single graphene layer in Terahertz (THz) spectrum. The intraband conductivity of graphene (assumed to follow the Drude model) is implemented in TLM method by using the Auxiliary Differential Equation (ADE) of conduction current density. The validity and stability of the obtained results demonstrate the effectiveness and precision of this new modeling technique named ADE-(SCN)TLM, and prove that this method is a powerful tool that can be used to model and simulate complex devices based on graphene sheet for terahertz applications (e.g., Electronics, optoelectronic, etc.)

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Section: Discussionmentioning

confidence: 99%

Efficient ADE-TLM Scheme for Modeling Drude Based Graphene in Terahertz Spectrum

Moumou,

El Adraoui,

Mounirh

et al. 2023

PIER Letters

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“…Researchers in the field of 6G wireless communication are increasingly interested in optical wireless communication (OWC) systems, such as visible light communication (VLC) due to its potential as a green and attractive technology for wireless communications in various environments, including indoor, vehicular, underwater, industry 4.0, and IoT applications. 1,2 VLC has demonstrated its reliability in transmitting data at high rates while providing energy-efficient, high-transmission capabilities and vast spectrum resources within the electromagnetic spectrum of 370 to 800 THz. However, the VLC channel model can be either free space or underwater, leading to an increase in channel nonlinearities that can affect system performance, requiring more complex receiver designs.…”

Section: Introduction 1motivationmentioning

confidence: 99%

Efficient downlink MU-MIMO VLC systems with NOMA-OTFS modulation for indoor applications

El Jbari,

Moussaoui

2024

Opt. Eng.

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In optical wireless communication (OWC), visible light communication (VLC) has shown great potential and attractive performance in indoor environments. However, the limited modulation bandwidth of VLC technologies poses performance restrictions. We propose a new approach for downlink communication utilizing multiple-input multiple-output (MIMO) technology. Our approach integrates non-orthogonal multiple access (NOMA) with orthogonal time frequency space modulation (OTFS) to improve transmission performance, particularly for low mobility when using NOMA-OTFS. Our proposed work focuses on the crucial stage of NOMA with successive interference cancellation (SIC), which involves equalization using efficient schemes, such as decision feedback equalizer (DFE), frequency-domain zero-forcing linear equalizer, and minimum mean square error-SIC at the receiver. Through extensive experimentation, it is observed that the DFE with SIC outperforms other equalizers, demonstrating a lower outage probability and a better BER. The effectiveness of the optimized analytical algorithm for ML-based downlink NOMA-OTFS modulation is confirmed through theoretical BER validation. Moreover, the simulation findings indicate that, in a multiuser (MU) scenario, the proposed NOMA-OTFS exhibits a high performance compared with traditional NOMA combined with orthogonal frequency division multiplexing in downlink MU-MIMO VLC systems. This performance advantage is observed for both MIMO and multiple-input single-output multiplexing techniques with power allocation of the users, specifically in terms of BER improvement and peak-to-averagepower ratio reduction.

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High-Performance Metric of Graphene-Based Heterojunction LEDs and PDs in Visible Light Communication Systems

Jbari

Moussaoui

2023

Advanced Structured Materials

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A Review on Visible Light Communication System for 5G

Cited by 11 publications

References 25 publications

Efficient ADE-TLM Scheme for Modeling Drude Based Graphene in Terahertz Spectrum

Efficient ADE-TLM Scheme for Modeling Drude Based Graphene in Terahertz Spectrum

Efficient downlink MU-MIMO VLC systems with NOMA-OTFS modulation for indoor applications

High-Performance Metric of Graphene-Based Heterojunction LEDs and PDs in Visible Light Communication Systems

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