Novel multi-code pulse position modulation for performance improvement of 2-D OCDMA systems. - Ngoc T. Dang; Hien T. T. Pham; Anh T. Pham 002 (APCC, 2011)

Reducing atmospheric turbulence effects in FSO/CDMA systems by using multi-wavelength PPM signaling. - Ngoc T. Dang; Hien T. T. Pham; Anh T. Pham 002 (APCC, 2012)

Performance of relay-assisted free-space optical CDMA systems over log-normal atmospheric turbulence channels. - Duy B. Chu; Hien T. T. Pham; Ngoc T. Dang; Anh T. Pham 002 (CSNDSP, 2014)

Effects of atmospheric turbulence and misalignment fading on performance of serial-relaying M-ary pulse-position modulation free-space optical systems with partially coherent Gaussian beam. - Hien T. T. Pham; Ngoc T. Dang; Anh T. Pham 002 (IET Commun., 2014)

Topology Design and Cross-Layer Optimization for FSO Mesh Networks Impaired by Atmospheric Turbulence and Misalignment Fading. - Linh D. Truong; Hien T. T. Pham; Ngoc T. Dang; Toi V. Doan (JOCN, 2017)

Performance improvement of spatial modulation-assisted FSO systems over Gamma-Gamma fading channels with geometric spreading. - Hien T. T. Pham; Ngoc T. Dang (Photonic Netw. Commun., 2017)

Performance enhancement of LEO-to-ground FSO systems using All-optical HAP-based relaying. - Minh Q. Vu; Nga T. T. Nguyen; Hien T. T. Pham; Ngoc T. Dang (Phys. Commun., 2018)

Satellite-based Free-Space Quantum Key Distribution Systems using QPSK Modulation and Heterodyne Detection Receiver. - Minh B. Vu; Hien T. T. Pham; Anh T. Do; Hang T. T. Phan; Ngoc T. Dang (ISCIT, 2019)

Reliability improvement of satellite-based quantum key distribution systems using retransmission scheme. - Nam D. Nguyen; Hang T. T. Phan; Hien T. T. Pham; Vuong V. Mai; Ngoc T. Dang (Photonic Netw. Commun., 2021)

ViEmBot: An Empathetic Voicebot System for the Vietnamese Language. - Dinh Luu Toan; Hien T. T. Pham; Tien Dang; Ngan Luu-Thuy Nguyen (MAPR, 2022)

Enhancing Design and Performance Analysis of Satellite Entanglement-Based CV-QKD/FSO Systems. - Thang V. Nguyen; Hoa T. Le; Hien T. T. Pham; Vuong V. Mai; Ngoc T. Dang (IEEE Access, 2023)

Optical Intelligent Reflecting Surface-Assisted Multiple Users over Turbulence Channels. - Phong D. Pham; Cuong K. P. Nguyen; Hoang D. Le; Hien T. T. Pham; Thang V. Nguyen; Ngoc T. Dang (RIVF, 2024)

Harvested Energy Evaluation of Free-Space Optics RIS-Assisted Ground-HAP-UAV System Over Composite Channels. - Hoa T. Le; Thang V. Nguyen; Hien T. T. Pham; Ngoc T. Dang (VTC Spring, 2024)

Joint Adaptive Modulation and Power Control Scheme for Energy Efficient FSO-based Non-Terrestrial Networks. - Thang V. Nguyen; Hien T. T. Pham; Ngoc T. Dang (EAI Endorsed Trans. Ind. Networks Intell. Syst., 2024)