3 papers
eess.SY2026
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…
eess.SY2025
Optimization of Probabilistic Constellation Shaping for Optical OFDM Systems with Clipping Distortion
Thanh V. Pham, Susumu Ishihara
Optical orthogonal frequency-division multiplexing (OFDM) and probabilistic constellation shaping (PCS) have emerged as powerful techniques to enhance the performance of optical wi…
eess.SY2024
Practical Design of Probabilistic Constellation Shaping for Physical Layer Security in Visible Light Communications
Thanh V. Pham, Susumu Ishihara
This paper studies a practical design of probabilistic constellation shaping (PCS) for physical layer security in visible light communications (VLC). In particular, we consider a w…