49 citations · 171 across the 18 of their papers we have counts for
5 papers · 1 filter
Max-Min Secrecy Rate and Secrecy Energy Efficiency Optimization for RIS-Aided VLC Systems: RSMA Versus NOMA
Omar Maraqa, Sylvester Aboagye, Majid H. Khoshafa +1
Integrating VLC with the RIS significantly enhances physical layer security by enabling precise directional signal control and dynamic adaptation to the communication environment.…
RIS-Assisted Physical Layer Security in Emerging RF and Optical Wireless Communication Systems: A Comprehensive Survey
Majid H. Khoshafa, Omar Maraqa, Jules M. Moualeu +5
Physical layer security (PLS) has received a growing interest from the research community for its ability to safeguard data confidentiality without relying on key distribution or e…
Optical STAR-RIS-Aided VLC Systems: RSMA Versus NOMA
Omar Maraqa, Sylvester Aboagye, Telex M. N. Ngatched
A critical concern within the realm of visible light communications (VLC) pertains to enhancing system data rate, particularly in scenarios where the direct line-of-sight (LoS) con…
Optimized Design of Joint Mirror Array and Liquid Crystal-Based RIS-Aided VLC systems
Omar Maraqa, Telex M. N. Ngatched
Most studies of reflecting intelligent surfaces (RISs)-assisted visible light communication (VLC) systems have focused on the integration of RISs in the channel to combat the line-…
Double-Sided Beamforming in OWC Systems Using Omni-Digital Reconfigurable Intelligent Surfaces
Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre +1
In this paper, we introduce a variant of reconfigurable intelligent surfaces (RISs) called omni-digital-RISs (DRISs), which allow multiple physical processes, with application to o…