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Junita Mohd Nordin
Preferred name
Junita Mohd Nordin
Official Name
Mohd Nordin, Junita
Alternative Name
Junita, M. N.
Nordin, Junita M.
Nordin, J.
Nordin, Junita Mohd
Nordin, Junita
Nordin, J. M.
Main Affiliation
Scopus Author ID
24447788000
Researcher ID
DKQ-9678-2022
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PublicationA multilayers adaptive ALACO-OFDM for spectral efficiency improvement using PSO algorithm in visible light communication systems(De Gruyter, 2023)
;Aymen Abdalmunam Hameed ;Montadar AbasIn this paper, we propose a new adaptive layered asymmetrically-clipped optical orthogonal frequency division multiplexing (ALACO-OFDM) technique as a method to improve the spectral efficiency of optical system, especially visible light communication (VLC). Particle swarm optimisation (PSO)-based LACO-OFDM method is used for this purpose and the channel capacities are studied. Simulations using variable layers are carried out to validate the theoretical steps. The simulation results indicate that the ALACO-OFDM technique has significantly improve the spectral efficiency compared to previous techniques such as ACO-OFDM. Moreover, it is shown that channel capacities of different layers are significantly improved when electrical power is increased.1 8