151 citations · 860 across the 45 of their papers we have counts for
10 papers · 1 filter
Digital RIS (DRIS): The Future of Digital Beam Management in RIS-Assisted OWC Systems
Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre +1
Reconfigurable intelligent surfaces (RIS) have been recently introduced to optical wireless communication (OWC) networks to resolve skip areas and improve the signal-to-noise ratio…
Intelligent Reflecting Surfaces for Enhanced NOMA-based Visible Light Communications
Hanaa Abumarshoud, Bassant Selim, Mallik Tatipamula +1
The emerging intelligent reflecting surface (IRS) technology introduces the potential of controlled light propagation in visible light communication (VLC) systems. This concept ope…
5 Gbps Optical Wireless Communication Using Commercial SPAD Array Receivers
Shenjie Huang, Cheng Chen, Rui Bian +2
Photon counting detectors such as single-photon avalanche diode (SPAD) arrays can be utilized to improve the sensitivity of optical wireless communication (OWC) systems. However, t…
A VCSEL Array Transmission System with Novel Beam Activation Mechanisms
Zhihong Zeng, Mohammad Dehghani Soltani, Majid Safari +1
Optical wireless communication (OWC) is considered to be a promising technology which will alleviate traffic burden caused by the increasing number of mobile devices. In this study…
LiFi Through Reconfigurable Intelligent Surfaces: A New Frontier for 6G?
Hanaa Abumarshoud, Lina Mohjazi, Octavia A. Dobre +3
Light fidelity (LiFi), which is based on visible light communications (VLC), is celebrated as a cutting-edge technological paradigm that is envisioned to be an indispensable part o…
Design of a Power Amplifying-RIS for Free-Space Optical Communication Systems
Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre +1
The steering dynamics of re-configurable intelligent surfaces (RIS) have hoisted them to the front row of technologies that can be exploited to solve skip-zones in wireless communi…
Performance Analysis of RIS-Based nT-FSO Link Over G-G Turbulence With Pointing Errors
Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre +2
One of the main problems faced by communication systems is the presence of skip-zones in the targeted areas. With the deployment of the fifth-generation mobile network, solutions a…
A Tb/s Indoor MIMO Optical Wireless Backhaul System Using VCSEL Arrays
Hossein Kazemi, Elham Sarbazi, Mohammad Dehghani Soltani +6
In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is sys…
Safety Analysis for Laser-based Optical Wireless Communications: A Tutorial
Mohammad Dehghani Soltani, Elham Sarbazi, Nikolaos Bamiedakis +7
Light amplification by stimulated emission of radiation (laser) sources have many advantages for use in high data rate optical wireless communications. In particular, the low cost…
Re-configurable Intelligent Surface-based VLC Receivers Using Tunable Liquid-crystals: The Concept
Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre +1
Visible light communication (VLC) enables access to huge unlicensed bandwidth, a higher security level, and no radio frequency interference. With these advantages, VLC emerges as a…