7 papers
Secrecy Sum Rate Maximization for OIRS-Aided Visible Light Communications with Confidential Messages
Trinh K. Nguyen, Hung K. Hoang, Thanh V. Pham +1
This paper investigates the secrecy sum-rate (SSR) performance of optical intelligent reflecting surface (OIRS)-assisted multi-user visible light communication (VLC) systems under…
Secure RSMA-based Visible Light Networks under Spatial Correlation
Hung K. Hoang, Chuyen T. Nguyen, Thang K. Nguyen +2
This paper investigates the secrecy sum rate (SSR) of rate-splitting multiple access (RSMA)-based visible light communication (VLC) systems considering internal eavesdropping, wher…
Efficient Numerical Modeling of Near-Field Diffraction in ORIS-Assisted Free-Space Optical Links
Tuan A. Hoang, Phuc V. Trinh, Shinya Sugiura +3
This paper investigates near-field propagation in optical reconfigurable intelligent surface (ORIS)-assisted free-space optical (FSO) communication systems. Unlike conventional far…
Performance Analysis of NOMA-Assisted Optical OFDM ISAC Systems with Clipping Distortion
Nam N. Luong, Chuyen T. Nguyen, Thanh V. Pham
This paper studies the performance of optical orthogonal frequency-division multiplexing (OFDM)-based multi-user integrated sensing and communication (ISAC) systems employing non-o…
Design of Adaptive Hybrid Downlink NOMA-TDMA for Visible Light Communications Networks
Tuan A. Hoang, Chuyen T. Nguyen, Thanh V. Pham
This paper proposes an adaptive hybrid non-orthogonal multiple access (NOMA)-time division multiple access (TDMA) scheme for multi-user visible light communication (VLC) networks,…
Secrecy Capacity of Hybrid VLC-RF Systems with Light Energy Harvesting
Tuan A. Hoang, Thanh V. Pham, Chuyen T. Nguyen
This paper studies the performance of physical layer security (PLS) in a multi-user hybrid heterogeneous visible light communication (VLC) and radio frequency (RF) wireless communi…