On Secrecy Performance of Mixed Generalized Gamma and Málaga RF-FSO Variable Gain Relaying Channel. - Sheikh Habibul Islam; A. S. M. Badrudduza; S. M. Riazul Islam; Fardin Ibne Shahid; Imran Shafique Ansari; Milton Kumar Kundu; Subarto Kumar Ghosh; Md. Biplob Hossain; A. S. M. Sanwar Hosen; Gi Hwan Cho (IEEE Access, 2020)

Secrecy Performance Analysis of Mixed Hyper-Gamma and Gamma-Gamma Cooperative Relaying System. - Noor Ahmad Sarker; A. S. M. Badrudduza; S. M. Riazul Islam; Sheikh Habibul Islam; Imran Shafique Ansari; Milton Kumar Kundu; Mst Fateha Samad; Md. Biplob Hossain; Heejung Yu (IEEE Access, 2020)

Enhancing security in multicasting through correlated Nakagami-m fading channels with opportunistic relaying. - A. S. M. Badrudduza; Md. Zahurul I. Sarkar; Milton Kumar Kundu (Phys. Commun., 2020)

Security at the Physical Layer Over GG Fading and mEGG Turbulence Induced RF-UOWC Mixed System. - A. S. M. Badrudduza; Md. Ibrahim; S. M. Riazul Islam; Md. Shakhawat Hossen; Milton Kumar Kundu; Imran Shafique Ansari; Heejung Yu (IEEE Access, 2021)

Opportunistic Relay Selection Over Generalized Fading and Inverse Gamma Composite Fading Mixed Multicast Channels: A Secrecy Tradeoff. - Md. Shakhawat Hossen; A. S. M. Badrudduza; S. M. Riazul Islam; Abu Hanif; Milton Kumar Kundu; Kyung-Sup Kwak (IEEE Access, 2021)

Secrecy Performance Analysis of Mixed α - μ and Exponentiated Weibull RF-FSO Cooperative Relaying System. - Nazmul Hassan Juel; A. S. M. Badrudduza; S. M. Riazul Islam; Sheikh Habibul Islam; Milton Kumar Kundu; Imran Shafique Ansari; Md. Munjure Mowla; Kyung-Sup Kwak (IEEE Access, 2021)

On the Intercept Probability and Secure Outage Analysis of Mixed (α - κ - μ)-Shadowed and Málaga Turbulent Models. - Noor Ahmad Sarker; A. S. M. Badrudduza; S. M. Riazul Islam; Sheikh Habibul Islam; Milton Kumar Kundu; Imran Shafique Ansari; Kyung-Sup Kwak (IEEE Access, 2021)

Opportunistic Relay in Multicast Channels With Generalized Shadowed Fading Effects: A Physical Layer Security Perspective. - S. M. Saumik Shahriyer; A. S. M. Badrudduza; Sarjana Shabab; Milton Kumar Kundu; Heejung Yu (IEEE Access, 2021)

On Secrecy Performance of Mixed α-η-μ and Malaga RF-FSO Variable Gain Relaying Channel. - Nandita Swanan Mandira; Milton Kumar Kundu; Sheikh Habibul Islam; A. S. M. Badrudduza; Imran Shafique Ansari (CoRR, 2021)

Effects of Eavesdropper on the Performance of Mixed η-μ and DGG Cooperative Relaying System. - Noor Ahmed Sarker; A. S. M. Badrudduza; Milton Kumar Kundu; Imran Shafique Ansari (CoRR, 2021)

Opportunistic Relaying in Multicasting over Generalized Shadowed Fading Channels: A PHY Security Analysis. - S. M. Saumik Shahriyer; A. S. M. Badrudduza; Sarjana Shabab; Milton Kumar Kundu (CoRR, 2021)

On the Intercept Probability and Secure Outage Analysis of Mixed (α-κ-μ)-shadowed and Málaga Turbulent Model. - Noor Ahmad Sarker; A. S. M. Badrudduza; S. M. Riazul Islam; Sheikh Habibul Islam; Milton Kumar Kundu; Imran Shafique Ansari; Kyung Sup Kwak (CoRR, 2021)

On Effective Secrecy Throughput of Underlay Spectrum Sharing α-μ/ Málaga Hybrid Model under Interference-and-Transmit Power Constraints. - Md. Ibrahim; A. S. M. Badrudduza; Md. Shakhawat Hossen; Milton Kumar Kundu; Imran Shafique Ansari (CoRR, 2021)

Security Analysis in Multicasting over Shadowed Rician and α - μ Fading Channels: A Dual-hop Hybrid Satellite Terrestrial Relaying Network. - Abida Sultana Sumona; Milton Kumar Kundu; A. S. M. Badrudduza (IET Commun., 2022)

Enhancing Security of TAS/MRC-Based Mixed RF-UOWC System With Induced Underwater Turbulence Effect. - Md. Ibrahim; A. S. M. Badrudduza; Md. Shakhawat Hossen; Milton Kumar Kundu; Imran Shafique Ansari (IEEE Syst. J., 2022)

Secrecy Trade-off at the Physical Layer over Mixed Fading Multicast Channels Employing Antenna Diversity. - A. S. M. Nafis; A. S. M. Badrudduza; Z. I. Borshon; Milton Kumar Kundu; Md. Zahurul I. Sarkar (Wirel. Pers. Commun., 2022)

Enhancing Physical Layer Secrecy Performance for RIS-Assisted RF-FSO Mixed Wireless System. - Tahmid Ahmed; A. S. M. Badrudduza; S. M. Riazul Islam; Sheikh Habibul Islam; Md. Ibrahim; Mohammad Abdullah-Al-Wadud; Imran Shafique Ansari (IEEE Access, 2023)

RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping. - Md. Mijanur Rahman; A. S. M. Badrudduza; Noor Ahmad Sarker; Md. Ibrahim; Imran Shafique Ansari; Heejung Yu (IEEE Access, 2023)

Secrecy Outage Analysis of Energy Harvesting Relay-based Mixed UOWC-RF Network with Multiple Eavesdroppers. - Moloy Kumar Ghosh; Milton Kumar Kundu; Md. Ibrahim; A. S. M. Badrudduza; Md. Shamim Anower; Imran Shafique Ansari; Ali Al-Shaikhi; Mohamed A. Mohandes (CoRR, 2023)

Effects of Co-channel Interference on RIS Empowered Wireless Networks amid Multiple Eavesdropping Attempts. - Md. Roisul Ajom Ruku; Md. Ibrahim; A. S. M. Badrudduza; Imran Shafique Ansari (CoRR, 2023)

RIS-aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis with Simultaneous Eavesdropping. - Md. Mijanur Rahman; A. S. M. Badrudduza; Noor Ahmad Sarker; Md. Ibrahim; Imran Shafique Ansari (CoRR, 2023)

On the Physical Layer Security Performance Over RIS-Aided Dual-Hop RF-UOWC Mixed Network. - Tamanna Hossain; Sarjana Shabab; A. S. M. Badrudduza; Milton Kumar Kundu; Imran Shafique Ansari (IEEE Trans. Veh. Technol., 2023)

Secrecy Performance of α-κ-μ Shadowed Fading Channel. - A. S. M. Badrudduza; Sheikh Habibul Islam; Milton Kumar Kundu; Imran Shafique Ansari (ICT Express, 2023)

Effects of Eavesdropper on the Performance of Mixed $ eta$-$ mu$ and DGG Cooperative Relaying System. - Noor Ahmad Sarker; A. S. M. Badrudduza; Milton Kumar Kundu; Imran Shafique Ansari; Imtiaz Ahmed 001 (IEEE Syst. J., 2023)

Secrecy Performance Analysis of Integrated RF-UWOC IoT Networks Enabled by UAV and Underwater-RIS. - Abrar Bin Sarawar; A. S. M. Badrudduza; Md. Ibrahim; Imran Shafique Ansari; Heejung Yu (CoRR, 2024)

Dual Threats in RIS-Aided RF-UOWC Mixed Networks: Secrecy Performance Analysis under Simultaneous RF and UOWC Eavesdropping. - Md. Abdur Rakib; Md. Ibrahim; A. S. M. Badrudduza; Imran Shafique Ansari (CoRR, 2024)

Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attempts. - Md. Roisul Ajom Ruku; Md. Ibrahim; A. S. M. Badrudduza; Imran Shafique Ansari; Waqas Khalid; Heejung Yu (ICT Express, 2024)

Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers. - Moloy Kumar Ghosh; Milton Kumar Kundu; Md. Ibrahim; A. S. M. Badrudduza; Md. Shamim Anower; Imran Shafique Ansari; Annie Solomon; Sumit Chakravarty; Imtiaz Ahmed 001; Heejung Yu (IEEE Open J. Commun. Soc., 2024)

An RIS-Empowered THz-UWO Relay System for Air-to-Underwater Mixed Network: Performance Analysis With Pointing Errors. - Md. Abdur Rakib; Md. Ibrahim; A. S. M. Badrudduza; Imran Shafique Ansari; Sumit Chakravarty; Imtiaz Ahmed 001; S. M. Abdur Razzak (IEEE Internet Things J., 2024)

RIS-aided free-space optics communications in A2G networks over inverted Gamma-Gamma turbulent channels. - Md. Abdur Rakib; Md. Ibrahim; A. S. M. Badrudduza; Imran Shafique Ansari; Md. Shahid Uz Zaman; Heejung Yu (ICT Express, 2025)

Secrecy Performance Analysis of Integrated RF-UOWC IoT Networks Enabled by UAV and Underwater RIS. - Abrar Bin Sarawar; A. S. M. Badrudduza; Md. Ibrahim; Imran Shafique Ansari; Heejung Yu (IEEE Internet Things J., 2025)