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…
High Performance Signal Design for Optical OFDM Systems using Variational Autoencoder
Nam N. Luong, Chuyen T. Nguyen, Thanh V. Pham
This letter proposes a design of low peak-to-average power ratio (PAPR), low symbol error rate (SER), and high data rate signal for optical orthogonal frequency division multiplexi…