Rahmat Talib

Work place: Faculty of Electrical and Electronic Engineering, University Tun Hussein Onn Malaysia (UTHM), Parit Raja, 86400 Batu Pahat, Johor, Malaysia

E-mail: rahmat@uthm.edu.my


Research Interests: Optical Communication


Rahmat Talib is currently working as a senior lecturer in the Department of Communication Engineering, Faculty of Electrical & Electronic Engineering, University Tun Hussein Onn Malaysia (UTHM). He received his Ph.D. Degrees in 2015 at University Tun Hussein Onn Malaysia. He has experience teaching in higher education, which involved the subject of Digital Signal Processing, Optical Communication, etc. He is the author and co-author of 38 papers. His present research interest is in optical communication and visible light communications.

Author Articles
Effect of Line-of-sight Channels on DC-biased Optical Filter Bank Multicarrier Visible Light Communication with Multiple LED Arrays

By Mohammed Ali Asban Rahmat Talib Mohammad Faiz Abdullah Mohammed S. M. Gismalla

DOI: https://doi.org/10.5815/ijcnis.2024.03.02, Pub. Date: 8 Jun. 2024

This paper investigates the impact of propagation delay and channel loss due to the use of multiple LED arrays in visible light communication (VLC) systems based on filter bank multicarrier (FBMC) modulation. FBMC offers greater spectral efficiency, and asynchronous transmission and is a promising alternative scheme to orthogonal frequency division modulation (OFDM). The proposed FBMC model is based on 4-quadrature amplitude modulation (QAM) and 16-QAM formats and uses 100 symbols and 600 input bits per symbol. In this paper, the VLC-FBMC system is designed based on the line-of-sight (LOS) model under the additive white Gaussian noise (AWGN) channel. Comparison analyses between different bit rates in terms of bit error rate (BER), best sampling point, and signal-to-noise ratio (SNR) requirement have been carried out to show the delay and loss effect on communication quality and system performance. The results demonstrate that the proposed FBMC model achieves a bit rate of up to 29.296 Mbit/s with a low BER of 10-3 and less SNR penalty in high QAM formats, demonstrating its potential as a viable alternative to OFDM for future VLC systems.

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