Imran Shafique Ansari

177 papers B 13C 1Misc 1Journal 133Unranked 28
YearRankTypeTitle / Venue / Authors
2026 J jnl
Cyber resilience quantification: A probabilistic estimation model for IT infrastructure.
Reliab. Eng. Syst. Saf.
Saleh Mohamed Alhidaifi, Muhammad Rizwan Asghar, Imran Shafique Ansari
2026 J jnl
Enhancing Secrecy in UOWC Networks: A RIS-assisted Approach for IoUT Applications.
Wirel. Pers. Commun.
Syed Mumit Baksh, A. S. M. Badrudduza, Md. Ibrahim, Md. Kamal Hosain, Imran Shafique Ansari
2026 J jnl
Performance of M-ary Pulse Position Modulated Underwater OWC Links With Turbulence and Path Loss Effects.
IEEE Access
Sajid Mumtaz, Mohammad Furqan Ali, Mohd Fadzli Mohd Salleh, Faezah Jasman, Imran Shafique Ansari, Mubeen Aslam, Dushantha Nalin K. Jayakody, Luís Miguel Campos
2025 J jnl
Achieving Covertness in Cooperative Systems With Power Allocation.
IEEE Internet Things J.
Hongjiang Lei, Shunkai Mu, Shiyu Zheng, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan
2025 J jnl
AoI Analysis in Energy Harvesting IoT Systems With ARQ and TARQ.
IEEE Internet Things J.
Hongjiang Lei, Yukun Liu, Ki-Hong Park, Imran Shafique Ansari, Zheng Shi, Gaofeng Pan
2025 J jnl
Design and Performance Analysis of Hybrid FSO/THz Relay with Aerial RIS for Future NTN-Integrated 6G Wireless Communications.
CoRR
Al Nahian Mugdho, Md. Ibrahim, A. S. M. Badrudduza, Md. Abdur Rakib, Imran Shafique Ansari
2025 J jnl
Enhancing Physical Layer Security in IoT-Based RF-FSO Integrated Networks: Multi-RIS Structures and their Impact on Secure Communication.
CoRR
Anika Tabassum Biva, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari
2025 J jnl
RIS Equipped AAV Swarm: Shadowed Aerial-to-Ground Channel Characterization.
IEEE Trans. Veh. Technol.
Yutong Tang, Shakir Khan, Imran Shafique Ansari
2025 J jnl
RIS-aided free-space optics communications in A2G networks over inverted Gamma-Gamma turbulent channels.
ICT Express
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Md. Shahid Uz Zaman, Heejung Yu
2025 J jnl
Secrecy Performance Analysis of Integrated RF-UOWC IoT Networks Enabled by UAV and Underwater RIS.
IEEE Internet Things J.
Abrar Bin Sarawar, A. S. M. Badrudduza, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2024 J jnl
A Survey on Cyber Resilience: Key Strategies, Research Challenges, and Future Directions.
ACM Comput. Surv.
Saleh Mohamed Alhidaifi, Muhammad Rizwan Asghar, Imran Shafique Ansari
2024 J jnl
Achievable secrecy rate analysis of OFDM-based multi-user untrusted relay networks with imperfect CSI.
Trans. Emerg. Telecommun. Technol.
Volkan Özduran, Nikolaos Nomikos, Imran Shafique Ansari
2024 J jnl
An RIS-Empowered THz-UWO Relay System for Air-to-Underwater Mixed Network: Performance Analysis With Pointing Errors.
IEEE Internet Things J.
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Sumit Chakravarty, Imtiaz Ahmed, S. M. Abdur Razzak
2024 J jnl
DDPG-Based Aerial Secure Data Collection.
IEEE Trans. Commun.
Hongjiang Lei, Haoxiang Ran, Imran Shafique Ansari, Ki-Hong Park, Gaofeng Pan, Mohamed-Slim Alouini
2024 J jnl
Dual Threats in RIS-Aided RF-UOWC Mixed Networks: Secrecy Performance Analysis under Simultaneous RF and UOWC Eavesdropping.
CoRR
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari
2024 J jnl
Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attempts.
ICT Express
Md. Roisul Ajom Ruku, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Waqas Khalid, Heejung Yu
2024 J jnl
On Secure NOMA-Aided Semi-Grant-Free Systems.
IEEE Trans. Wirel. Commun.
Hongjiang Lei, Fangtao Yang, Hongwu Liu, Imran Shafique Ansari, Kyeong Jin Kim, Theodoros A. Tsiftsis
2024 J jnl
On Secure mmWave RSMA Systems.
CoRR
Hongjiang Lei, Sha Zhou, Xinhu Chen, Imran Shafique Ansari, Yun Li, Gaofeng Pan, Mohamed-Slim Alouini
2024 J jnl
On Secure mmWave RSMA Systems.
IEEE Internet Things J.
Hongjiang Lei, Sha Zhou, Xinhu Chen, Imran Shafique Ansari, Yun Li, Gaofeng Pan, Mohamed-Slim Alouini
2024 J jnl
On the performance of uplink power-domain NOMA with imperfect CSI and SIC in 6G networks.
J. Commun. Networks
Volkan Özduran, Mohammadali Mohammadi, Nikolaos Nomikos, Imran Shafique Ansari, Panagiotis Trakadas
2024 J jnl
Outage analysis of aerial semi-grant-free NOMA systems.
Digit. Commun. Networks
Hongjiang Lei, Chen Zhu, Ki-Hong Park, Imran Shafique Ansari, Weijia Lei, Hong Tang, Kyeong Jin Kim
2024 J jnl
Performance Analysis of Mixed Underwater Acoustic/Optical Relaying Systems.
IEEE Trans. Wirel. Commun.
Zhichen Xiao, Liang Yang, Petros S. Bithas, Imran Shafique Ansari, Xingwang Li, Mohamed-Slim Alouini
2024 J jnl
Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers.
IEEE Open J. Commun. Soc.
Moloy Kumar Ghosh, Milton Kumar Kundu, Md. Ibrahim, A. S. M. Badrudduza, Md. Shamim Anower, Imran Shafique Ansari, Annie Solomon, Sumit Chakravarty, Imtiaz Ahmed, Heejung Yu
2024 J jnl
RIS-Aided Free-Space Optics Communications in A2G Networks over Inverted Gamma-Gamma Turbulent Channels.
CoRR
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Md. Shahid Uz Zaman, Heejung Yu
2024 J jnl
Secrecy Performance Analysis of Integrated RF-UWOC IoT Networks Enabled by UAV and Underwater-RIS.
CoRR
Abrar Bin Sarawar, A. S. M. Badrudduza, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2024 J jnl
Towards a Cyber Resilience Quantification Framework (CRQF) for IT infrastructure.
Comput. Networks
Saleh Mohamed Alhidaifi, Muhammad Rizwan Asghar, Imran Shafique Ansari
2024 J jnl
Trajectory and Power Design for Aerial CRNs With Colluding Eavesdroppers.
IEEE Trans. Veh. Technol.
Hongjiang Lei, Jiacheng Jiang, Haosi Yang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2024 J jnl
Trajectory and Power Design for Aerial Multi-User Covert Communications.
IEEE Trans. Aerosp. Electron. Syst.
Hongjiang Lei, Jiacheng Jiang, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2024 B conf
Trusted Transmission: Strengthening Security in CR-Inspired RSMA Systems Amidst Untrusted Users.
WCNC
Hongjiang Lei, Dongjie Sang, Imran Shafique Ansari, Nasir Saeed, Gaofeng Pan, Mohamed-Slim Alouini
2023 J jnl
Distributionally robust optimization based chance-constrained energy management for hybrid energy powered cellular networks.
Digit. Commun. Networks
Pengfei Du, Hongjiang Lei, Imran Shafique Ansari, Jianbo Du, Xiaoli Chu
2023 J jnl
Effects of Co-channel Interference on RIS Empowered Wireless Networks amid Multiple Eavesdropping Attempts.
CoRR
Md. Roisul Ajom Ruku, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari
2023 J jnl
Effects of Eavesdropper on the Performance of Mixed $\eta$-$\mu$ and DGG Cooperative Relaying System.
IEEE Syst. J.
Noor Ahmad Sarker, A. S. M. Badrudduza, Milton Kumar Kundu, Imran Shafique Ansari, Imtiaz Ahmed
2023 J jnl
Enhancing Physical Layer Secrecy Performance for RIS-Assisted RF-FSO Mixed Wireless System.
IEEE Access
Tahmid Ahmed, A. S. M. Badrudduza, S. M. Riazul Islam, Sheikh Habibul Islam, Md. Ibrahim, Mohammad Abdullah-Al-Wadud, Imran Shafique Ansari
2023 J jnl
Filter Design and Power Allocation for Uplink Time-Reversal NOMA.
IEEE Trans. Commun.
Weijia Lei, Yue Zhang, Imran Shafique Ansari, Hong Tang, Hongjiang Lei
2023 J jnl
Joint Trajectory Design and User Scheduling for Secure Aerial Underlay IoT Systems.
IEEE Internet Things J.
Hongjiang Lei, Haosi Yang, Ki-Hong Park, Imran Shafique Ansari, Jing Jiang, Mohamed-Slim Alouini
2023 — conf
Measurements Based Physical Layer Security in Device to Device mm-Wave Communications.
VTC2023-Spring
Seong Ki Yoo, Paschalis C. Sofotasios, Simon L. Cotton, Lei Zhang, JaeSeung Song, Imran Shafique Ansari, Young Jin Chun
2023 J jnl
On Secure CDRT With NOMA and Physical-Layer Network Coding.
IEEE Trans. Commun.
Hongjiang Lei, Xusheng She, Ki-Hong Park, Imran Shafique Ansari, Zheng Shi, Jing Jiang, Mohamed-Slim Alouini
2023 J jnl
On the Performance of the UAV RIS-Assisted Dual-Hop PLC-RF Systems.
IEEE Trans. Veh. Technol.
Shenghai Chen, Liang Yang, Qi Zhu, Yongjie Yuan, Imran Shafique Ansari, Guofu Zhu
2023 J jnl
On the Physical Layer Security Performance Over RIS-Aided Dual-Hop RF-UOWC Mixed Network.
IEEE Trans. Veh. Technol.
Tamanna Hossain, Sarjana Shabab, A. S. M. Badrudduza, Milton Kumar Kundu, Imran Shafique Ansari
2023 — conf
On the Secrecy Capacity of $\mathcal{F}$ Composite Fading Channels with Multiple Eavesdroppers.
ICC
Seong Ki Yoo, Simon L. Cotton, Lei Zhang, JaeSeung Song, Imran Shafique Ansari, Paschalis C. Sofotasios
2023 J jnl
Outage Analysis of Millimeter Wave RSMA Systems.
IEEE Trans. Commun.
Hongjiang Lei, Sha Zhou, Ki-Hong Park, Imran Shafique Ansari, Hong Tang, Mohamed-Slim Alouini
2023 J jnl
Performance Analysis of Uplink Non-Orthogonal Multiple Access in the Presence of Co-Channel Interference.
IEEE Trans. Veh. Technol.
Volkan Özduran, Mohammadali Mohammadi, Imran Shafique Ansari, Nikolaos Nomikos
2023 J jnl
RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping.
IEEE Access
Md. Mijanur Rahman, A. S. M. Badrudduza, Noor Ahmad Sarker, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2023 J jnl
RIS-aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis with Simultaneous Eavesdropping.
CoRR
Md. Mijanur Rahman, A. S. M. Badrudduza, Noor Ahmad Sarker, Md. Ibrahim, Imran Shafique Ansari
2023 J jnl
Secrecy Outage Analysis of Energy Harvesting Relay-based Mixed UOWC-RF Network with Multiple Eavesdroppers.
CoRR
Moloy Kumar Ghosh, Milton Kumar Kundu, Md. Ibrahim, A. S. M. Badrudduza, Md. Shamim Anower, Imran Shafique Ansari, Ali Al-Shaikhi, Mohamed A. Mohandes
2023 J jnl
Secrecy Outage Performance Analysis for Uplink CR-NOMA Systems With Hybrid SIC.
IEEE Internet Things J.
Hongjiang Lei, Fangtao Yang, Imran Shafique Ansari, Hongwu Liu, Kyeong Jin Kim, Theodoros A. Tsiftsis
2023 J jnl
Secrecy Outage Performance Analysis of Dual-Hop RF-UOWC Systems.
IEEE Syst. J.
Hongjiang Lei, Chen Zhu, Imran Shafique Ansari, Ki-Hong Park, Gaofeng Pan
2023 J jnl
Secrecy Performance of α-κ-μ Shadowed Fading Channel.
ICT Express
A. S. M. Badrudduza, Sheikh Habibul Islam, Milton Kumar Kundu, Imran Shafique Ansari
2023 J jnl
Secrecy outage probability and limiting threshold criteria in an optimal SNR regime by maximizing desired transfer rate.
Internet Things
Liang Zhou, Amita Nandal, Imran Shafique Ansari, Kemal Polat, Ladislav Polak, Arvind Dhaka, Jialing Zha, Adi Alhudhaif, Fayadh Alenezi
2023 J jnl
Trajectory and Power Design for Aerial Multi-User Covert Communications.
CoRR
Hongjiang Lei, Jiacheng Jiang, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2023 J jnl
Trajectory and power design for aerial CRNs with colluding eavesdroppers.
CoRR
Hongjiang Lei, Jiacheng Jiang, Haosi Yang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2022 J jnl
Editorial Preface: Special issue on sustainable computing for cyber-physical systems.
Sustain. Comput. Informatics Syst.
V. Vinoth Kumar, Biplab Sikdar, Polinpapilinho F. Katina, Imran Shafique Ansari
2022 J jnl
Enhancing Security of TAS/MRC-Based Mixed RF-UOWC System With Induced Underwater Turbulence Effect.
IEEE Syst. J.
Md. Ibrahim, A. S. M. Badrudduza, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari
2022 J jnl
Error Rate and Ergodic Capacity of RF-FSO System with Partial Relay Selection in the Presence of Pointing Errors.
CoRR
Milica I. Petkovic, Imran Shafique Ansari, Goran T. Djordjevic, Khalid A. Qaraqe
2022 J jnl
Joint Trajectory Design and User Scheduling of Aerial Cognitive Radio Networks.
CoRR
Hongjiang Lei, Haosi Yang, Ki-Hong Park, Imran Shafique Ansari, Jing Jiang, Mohamed-Slim Alouini
2022 J jnl
On Secure NOMA-Aided Semi-Grant-Free Systems.
CoRR
Hongjiang Lei, Fangtao Yang, Hongwu Liu, Imran Shafique Ansari, Kyeong Jin Kim, Theodoros A. Tsiftsis
2022 J jnl
On Secure NOMA-Based Terrestrial and Aerial IoT Systems.
IEEE Internet Things J.
Hongjiang Lei, Chen Zhu, Ki-Hong Park, Weijia Lei, Imran Shafique Ansari, Theodoros A. Tsiftsis
2022 J jnl
On Secure NOMA-CDRT Systems with Physical Layer Network Coding.
CoRR
Hongjiang Lei, Xusheng She, Ki-Hong Park, Imran Shafique Ansari, Zheng Shi, Jing Jiang, Mohamed-Slim Alouini
2022 J jnl
On the Integral and Derivative Identities of Bivariate Fox H-Function: Application in Wireless System Performance Analysis.
CoRR
Puspraj Singh Chauhan, Sandeep Kumar, Imran Shafique Ansari
2022 J jnl
Outage Analysis of Aerial Semi-Grant-Free NOMA Systems.
CoRR
Hongjiang Lei, Chen Zhu, Ki-Hong Park, Imran Shafique Ansari, Weijia Lei, Hong Tang, Kyeong Jin Kim
2022 J jnl
Performance Analysis of Dual-Hop Hybrid RF-UOWC NOMA Systems.
Sensors
Ahmed Samir, Mohamed Elsayed, Ahmad A. Aziz El-Banna, Imran Shafique Ansari, Khaled M. Rabie, Basem M. ElHalawany
2022 J jnl
Power Hotspots in Space: Powering CubeSats via Inter-Satellite Optical Wireless Power Transfer.
IEEE Internet Things Mag.
Marwa K. Qaraqe, Muhammad Usman, Ahmet Serbes, Imran Shafique Ansari, Mohamed-Slim Alouini
2022 — conf
Secure Outage Probability in the Presence of Two Eavesdroppers and Composite Fading.
GIIS
Seong Ki Yoo, Paschalis C. Sofotasios, Simon L. Cotton, Lei Zhang, JaeSeung Song, Imran Shafique Ansari
2022 J jnl
Trajectory Design and Communication Resources Allocation for Wireless Powered Secure UAV Communication Systems.
IEEE Syst. J.
Guangfu Tang, Pengfei Du, Hongjiang Lei, Imran Shafique Ansari, Yuanhua Fu
2021 J jnl
Applications of Meijer's Factorization Theorems in Performance Analyses of All-Optical Multi-Hop FSO Systems.
IEEE Trans. Wirel. Commun.
Tau Raphael Rasethuntsa, Imran Shafique Ansari
2021 J jnl
Effects of Eavesdropper on the Performance of Mixed η-μ and DGG Cooperative Relaying System.
CoRR
Noor Ahmed Sarker, A. S. M. Badrudduza, Milton Kumar Kundu, Imran Shafique Ansari
2021 J jnl
Enhancing Security of TAS/MRC Based Mixed RF-UOWC System with Induced Underwater Turbulence Effect.
CoRR
Md. Ibrahim, A. S. M. Badrudduza, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari
2021 J jnl
Iterative Signal Detection Under Timing Errors for Optical Wireless Links With High Mobility.
IEEE Trans. Veh. Technol.
Mohammad Taghi Dabiri, Saeed Khankalantary, Hossein Safi, Mohammad Jalil Piran, Imran Shafique Ansari, Doug Young Suh, Murat Uysal
2021 J jnl
On Effective Secrecy Throughput of Underlay Spectrum Sharing α-μ/ Málaga Hybrid Model under Interference-and-Transmit Power Constraints.
CoRR
Md. Ibrahim, A. S. M. Badrudduza, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari
2021 J jnl
On Secrecy Performance of Mixed α-η-μ and Malaga RF-FSO Variable Gain Relaying Channel.
CoRR
Nandita Swanan Mandira, Milton Kumar Kundu, Sheikh Habibul Islam, A. S. M. Badrudduza, Imran Shafique Ansari
2021 B conf
On Secure Downlink NOMA Systems with Aerial Eavesdroppers.
PIMRC
Hongjiang Lei, Chen Zhu, Ki-Hong Park, Weijia Lei, Imran Shafique Ansari
2021 J jnl
On the Intercept Probability and Secure Outage Analysis of Mixed (α - κ - μ)-Shadowed and Málaga Turbulent Models.
IEEE Access
Noor Ahmad Sarker, A. S. M. Badrudduza, S. M. Riazul Islam, Sheikh Habibul Islam, Milton Kumar Kundu, Imran Shafique Ansari, Kyung-Sup Kwak
2021 J jnl
On the Intercept Probability and Secure Outage Analysis of Mixed (α-κ-μ)-shadowed and Málaga Turbulent Model.
CoRR
Noor Ahmad Sarker, A. S. M. Badrudduza, S. M. Riazul Islam, Sheikh Habibul Islam, Milton Kumar Kundu, Imran Shafique Ansari, Kyung Sup Kwak
2021 J jnl
On the Performance of Mixed FSO-UWOC Dual-Hop Transmission Systems.
IEEE Wirel. Commun. Lett.
Liang Yang, Qi Zhu, Sai Li, Imran Shafique Ansari, Siyuan Yu
2021 J jnl
On the Physical Layer Security Performance over RIS-aided Dual-hop RF-UOWC Mixed Network.
CoRR
Tamanna Hossain, Sarjana Shabab, A. S. M. Badrudduza, Milton Kumar Kundu, Imran Shafique Ansari
2021 J jnl
Outage and Error Analysis of Dual-Hop TAS/MRC MIMO RF-UOWC Systems.
IEEE Trans. Veh. Technol.
Imran Shafique Ansari, Latif Jan, Yutong Tang, Liang Yang, Mohammad Haseeb Zafar
2021 J jnl
Secrecy Performance Analysis of Mixed α - μ and Exponentiated Weibull RF-FSO Cooperative Relaying System.
IEEE Access
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
2021 J jnl
Secrecy Performance of α-κ-μ Shadowed Fading Channel.
CoRR
A. S. M. Badrudduza, Sheikh Habibul Islam, Milton Kumar Kundu, Imran Shafique Ansari
2021 J jnl
Security at the Physical Layer Over GG Fading and mEGG Turbulence Induced RF-UOWC Mixed System.
IEEE Access
A. S. M. Badrudduza, Md. Ibrahim, S. M. Riazul Islam, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari, Heejung Yu
2021 J jnl
UAV-Assisted Free Space Optical Communication System With Amplify-and-Forward Relaying.
IEEE Trans. Veh. Technol.
Mohammad Taghi Dabiri, Saeed Khankalantary, Mohammad Jalil Piran, Imran Shafique Ansari, Murat Uysal, Walid Saad, Choong Seon Hong
2020 J jnl
A Business and Legislative Perspective of V2X and Mobility Applications in 5G Networks.
IEEE Access
Muhammad Usman, Marwa K. Qaraqe, Muhammad Rizwan Asghar, Anteneh A. Gebremariam, Imran Shafique Ansari, Fabrizio Granelli, Qammer H. Abbasi
2020 — conf
A Novel Approach to Policy Development under Disruptive Circumstances using Situation Awareness and Scenario Planning in Higher Education.
TALE
Duncan Bremner, Imran Shafique Ansari, Jennifer MacDougall, Sajjad Hussain, Mingda Ma, João Paulo Ponciano, Xingang Liu, Masood Ur Rehman, Muhammad Imran
2020 — conf
Assessment and Feedback Under Disruptive Circumstances in Trans-National Education.
TALE
Masood Ur Rehman, Sajjad Hussain, Imran Shafique Ansari, Amir Mohamed Abdulghani, Anthony Centeno, Hasan T. Abbas, Hadi Heidari, Ye Hong, João Paulo Ponciano, Qammer Hussain Abbasi, Junaid Qadir, Muhammad Ali Imran
2020 J jnl
Channel Modeling for UAV-Based Optical Wireless Links With Nonzero Boresight Pointing Errors.
IEEE Trans. Veh. Technol.
Mohammad Taghi Dabiri, Mohsen Rezaee, Imran Shafique Ansari, Vahid Yazdanian
2020 — conf
Energy Efficient Wireless Body Area Networks: Proximity-based Clustering in Medical Implants.
COMNET
Muhammad Usman, Marwa K. Qaraqe, Muhammad Rizwan Asghar, Imran Shafique Ansari
2020 J jnl
Mitigating distributed denial of service attacks in satellite networks.
Trans. Emerg. Telecommun. Technol.
Muhammad Usman, Marwa K. Qaraqe, Muhammad Rizwan Asghar, Imran Shafique Ansari
2020 J jnl
Mixed Dual-Hop FSO-RF Communication Systems Through Reconfigurable Intelligent Surface.
IEEE Commun. Lett.
Liang Yang, Wang Guo, Imran Shafique Ansari
2020 J jnl
On Secrecy Performance of Mixed Generalized Gamma and Málaga RF-FSO Variable Gain Relaying Channel.
IEEE Access
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
2020 J jnl
On Secure Downlink NOMA Systems With Outage Constraint.
IEEE Trans. Commun.
Hongjiang Lei, Rui Gao, Ki-Hong Park, Imran Shafique Ansari, Kyeong Jin Kim, Mohamed-Slim Alouini
2020 J jnl
On Secure Mixed RF-FSO Systems With TAS and Imperfect CSI.
IEEE Trans. Commun.
Hongjiang Lei, Haolun Luo, Ki-Hong Park, Imran Shafique Ansari, Weijia Lei, Gaofeng Pan, Mohamed-Slim Alouini
2020 — conf
On the Performance of Dual-Hop RF-UWOC System.
ICC Workshops
Hongjiang Lei, Yiyao Zhang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2020 J jnl
On the Physical Layer Security of a Decode and Forward Based Mixed FSO/RF Co-Operative System.
IEEE Wirel. Commun. Lett.
Dipti R. Pattanayak, Vivek Kumar Dwivedi, Vikram Karwal, Imran Shafique Ansari, Hongjiang Lei, Mohamed-Slim Alouini
2020 B conf
Optimizing Energy in WiFi Direct Based Multi-hop D2D Networks.
GLOBECOM
Muhammad Usman, Marwa K. Qaraqe, Muhammad Rizwan Asghar, Imran Shafique Ansari, Fabrizio Granelli
2020 J jnl
Outage of Cognitive Electric Vehicle Networks Over Mixed RF/VLC Channels With Signal-Dependent Noise and Imperfect CSI.
IEEE Trans. Veh. Technol.
Galymzhan Nauryzbayev, Mohamed Abdallah, Imran Shafique Ansari, Naofal Al-Dhahir, Khalid A. Qaraqe
2020 J jnl
Performance Evaluation of Relay-Aided CR-NOMA for Beyond 5G Communications.
IEEE Access
Dinh-Thuan Do, Minh-Sang Van Nguyen, Furqan Jameel, Riku Jäntti, Imran Shafique Ansari
2020 J jnl
Safeguarding UAV IoT Communication Systems Against Randomly Located Eavesdroppers.
IEEE Internet Things J.
Hongjiang Lei, Di Wang, Ki-Hong Park, Imran Shafique Ansari, Jing Jiang, Gaofeng Pan, Mohamed-Slim Alouini
2020 J jnl
Secrecy Performance Analysis of Mixed Hyper-Gamma and Gamma-Gamma Cooperative Relaying System.
IEEE Access
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
2020 — conf
Security Performance Analysis for the Downlink NOMA Systems with Outage Constraint.
ICC Workshops
Hongjiang Lei, Rui Gao, Ki-Hong Park, Imran Shafique Ansari, Kyeong Jin Kim, Mohamed-Slim Alouini
2019 J jnl
Adaptive Channel Coding and Power Control for Practical FSO Communication Systems Under Channel Estimation Error.
IEEE Trans. Veh. Technol.
Hossein Safi, Ali Asghar Sharifi, Mohammad Taghi Dabiri, Imran Shafique Ansari, Julian Cheng
2019 — conf
On Physical Layer Security of Multiple-Relay Assisted NOMA Systems.
ICC Workshops
Hongjiang Lei, Zixuan Yang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2019 C conf
On Secure UAV Communication Systems with Randomly Located Eavesdroppers.
ICCC
Hongjiang Lei, Di Wang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2019 J jnl
Performance analysis of the decode-and-forward relay-based RF-FSO communication system in the presence of pointing errors.
IET Signal Process.
Jagadeesh Vellakudiyan, Vineeth Palliyembil, Imran Shafique Ansari, P. Muthuchidambaranathan, Khalid A. Qaraqe
2019 J jnl
Process Mining and User Privacy in D2D and IoT Networks.
Inform. Spektrum
Muhammad Usman, Marwa K. Qaraqe, Muhammad Rizwan Asghar, Imran Shafique Ansari
2019 J jnl
Secrecy Outage Analysis for Cooperative NOMA Systems With Relay Selection Schemes.
IEEE Trans. Commun.
Hongjiang Lei, Zixuan Yang, Ki-Hong Park, Imran Shafique Ansari, Yongcai Guo, Gaofeng Pan, Mohamed-Slim Alouini
2019 J jnl
Statistical characterisation and analysis of differential correlation-based frame detector.
IET Commun.
Assad Akhlaq, Imran Shafique Ansari, Gottfried Lechner, Mark Rice, Ishtiaq Ahmad
2019 J jnl
Tractable Optical Channel Modeling Between UAVs.
IEEE Trans. Veh. Technol.
Mohammad Taghi Dabiri, Seyed Mohammad Sajad Sadough, Imran Shafique Ansari
2019 — conf
Trust-Based DoS Mitigation Technique for Medical Implants in Wireless Body Area Networks.
ICC
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Marwa K. Qaraqe
2018 B conf
A marketplace for efficient and secure caching for IoT applications in 5G networks.
WCNC
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Fabrizio Granelli, Qammer H. Abbasi, Khalid A. Qaraqe
2018 B conf
An Energy Consumption Model for WiFi Direct Based D2D Communications.
GLOBECOM
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Marwa K. Qaraqe, Fabrizio Granelli
2018 — conf
Ant colony based optimization technique to mitigate dynamic routing challenges in packet based networks.
ICFNDS
Inam Ullah Khan, Ijaz Mansoor Qureshi, Muhammad Asghar Khan, Syed Bilal Hussain Shah, Imran Shafique Ansari, Muhammad Hamza Akhlaq
2018 J jnl
Asymptotic Performance Analysis of Two-Way Relaying FSO Networks With Nonzero Boresight Pointing Errors Over Double-Generalized Gamma Fading Channels.
IEEE Trans. Veh. Technol.
Liang Yang, Mohamed-Slim Alouini, Imran Shafique Ansari
2018 J jnl
Ergodic Capacity Analysis of Free-Space Optical Links With Nonzero Boresight Pointing Errors.
CoRR
Imran Shafique Ansari, Mohamed-Slim Alouini, Julian Cheng
2018 J jnl
Error analysis of TAS/MRC in Rayleigh fading channel with non-Gaussian noise.
J. Frankl. Inst.
Amer M. Magableh, Osamah S. Badarneh, Imran Shafique Ansari, Taimour Aldalgamouni
2018 J jnl
Free space optical communications with distributed switch-and-stay combining.
IET Commun.
Juhi Gupta, Vivek Kumar Dwivedi, Vikram Karwal, Imran Shafique Ansari, George K. Karagiannidis
2018 J jnl
Nonorthogonal Multiple Access for 5G and Beyond.
Wirel. Commun. Mob. Comput.
Oguz Kucur, Günes Karabulut-Kurt, Muhammad Zeeshan Shakir, Imran Shafique Ansari
2018 J jnl
On Secure Mixed RF-FSO Systems With TAS and Imperfect CSI.
CoRR
Hongjiang Lei, Haolun Luo, Ki-Hong Park, Gaofeng Pan, Imran Shafique Ansari, Mohamed-Slim Alouini
2018 J jnl
Performance Analysis of Free-Space Optical Links Over Málaga (𝑀) Turbulence Channels with Pointing Errors.
CoRR
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2018 J jnl
Physical Layer Security for TAS/MRC Systems With and Without Co-Channel Interference Over η-μ Fading Channels.
IEEE Trans. Veh. Technol.
Liang Yang, Mazen O. Hasna, Imran Shafique Ansari
2018 J jnl
Secrecy Outage Analysis for Cooperative NOMA Systems with Relay Selection Scheme.
CoRR
Hongjiang Lei, Zixuan Yang, Ki-Hong Park, Imran Shafique Ansari, Yongcai Guo, Gaofeng Pan, Mohamed-Slim Alouini
2018 J jnl
Security in Wireless Body Area Networks: From In-Body to Off-Body Communications.
IEEE Access
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Marwa K. Qaraqe
2018 J jnl
Technologies and Solutions for Location-Based Services in Smart Cities: Past, Present, and Future.
IEEE Access
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Fabrizio Granelli, Khalid A. Qaraqe
2018 J jnl
Wireless energy harvesting in cooperative decode-and-forward relaying networks over mixed generalized
Trans. Emerg. Telecommun. Technol.
Osamah S. Badarneh, Fares S. Almehmadi, Imran Shafique Ansari, Xiaodong Yang
2017 J jnl
New results on the sum of Gamma random variates with application to the performance of wireless communication systems over Nakagami-
Trans. Emerg. Telecommun. Technol.
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini, Oguz Kucur
2017 J jnl
On Secrecy Outage of Relay Selection in Underlay Cognitive Radio Networks Over Nakagami-m Fading Channels.
IEEE Trans. Cogn. Commun. Netw.
Hongjiang Lei, Huan Zhang, Imran Shafique Ansari, Zhi Ren, Gaofeng Pan, Khalid A. Qaraqe, Mohamed-Slim Alouini
2017 J jnl
On Secure NOMA Systems With Transmit Antenna Selection Schemes.
IEEE Access
Hongjiang Lei, Jianming Zhang, Ki-Hong Park, Peng Xu, Imran Shafique Ansari, Gaofeng Pan, Basel Alomair, Mohamed-Slim Alouini
2017 J jnl
On Secure Underlay MIMO Cognitive Radio Networks With Energy Harvesting and Transmit Antenna Selection.
IEEE Trans. Green Commun. Netw.
Hongjiang Lei, Ming Xu, Imran Shafique Ansari, Gaofeng Pan, Khalid A. Qaraqe, Mohamed-Slim Alouini
2017 — conf
On the ergodic secrecy capacity with full duplex communication.
ICC
Nurul Huda Mahmood, Imran Shafique Ansari, Preben E. Mogensen, Khalid A. Qaraqe
2017 B conf
Performance Analysis of Dual-Hop DF Satellite Relaying over k-amp;#x00B5; Shadowed Fading Channels.
WCNC
Jiayi Zhang, Xu Li, Imran Shafique Ansari, Ying Liu, Khalid A. Qaraqe
2017 Misc conf
Performance analysis of adaptive modulation in underwater visible light communications.
SoftCOM
Imen Sahnoun, Imran Shafique Ansari, Mohamed M. Abdallah, Khalid A. Qaraqe
2017 J jnl
Physical-Layer Security With Full-Duplex Transceivers and Multiuser Receiver at Eve.
IEEE Trans. Commun.
Nurul Huda Mahmood, Imran Shafique Ansari, Petar Popovski, Preben Mogensen, Khalid A. Qaraqe
2017 J jnl
Secrecy Capacity Analysis Over α-μ Fading Channels.
IEEE Commun. Lett.
Hongjiang Lei, Imran Shafique Ansari, Gaofeng Pan, Basel Alomair, Mohamed-Slim Alouini
2017 J jnl
Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems Over Nakagami-m Channels.
IEEE Trans. Veh. Technol.
Hongjiang Lei, Chao Gao, Imran Shafique Ansari, Yongcai Guo, Yulong Zou, Gaofeng Pan, Khalid A. Qaraqe
2017 J jnl
Secrecy performance analysis of SIMO underlay cognitive radio systems with outdated CSI.
IET Commun.
Hongjiang Lei, Jianming Zhang, Ki-Hong Park, Imran Shafique Ansari, Gaofeng Pan, Mohamed-Slim Alouini
2017 — conf
Secrecy performance analysis with optimal DF relay selection of underlay CR networks over Nakagami-m fading channels.
ICC
Huan Zhang, Hongjiang Lei, Imran Shafique Ansari, Gaofeng Pan, Zhi Ren, Khalid A. Qaraqe
2017 J jnl
Security Performance Analysis of DF Cooperative Relay Networks over Nakagami-m Fading Channels.
KSII Trans. Internet Inf. Syst.
Huan Zhang, Hongjiang Lei, Imran Shafique Ansari, Gaofeng Pan, Khalid A. Qaraqe
2017 B conf
Towards Energy Efficient Multi-Hop D2D Networks Using WiFi Direct.
GLOBECOM
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Fabrizio Granelli, Khalid A. Qaraqe
2017 — conf
Towards bootstrapping trust in D2D using PGP and reputation mechanism.
ICC
Muhammad Usman, Muhammad Rizwan Asghar, Imran Shafique Ansari, Fabrizio Granelli
2017 J jnl
Unified Performance Analysis for Multiuser Mixed η-μ and M - Distribution Dual-Hop RF/FSO Systems.
IEEE Trans. Commun.
Liang Yang, Mazen O. Hasna, Imran Shafique Ansari
2017 B conf
Wireless power transfer in cooperative dual-hop relaying systems with beamforming over generalized fading channels.
PIMRC
Osamah S. Badarneh, Imran Shafique Ansari, Michel Kadoch, Xiaodong Yang
2016 B conf
Analysing self interference cancellation in full duplex radios.
WCNC
Nurul Huda Mahmood, Imran Shafique Ansari, Gilberto Berardinelli, Preben E. Mogensen, Khalid A. Qaraqe
2016 J jnl
Channel capacity analysis of a mixed dual-hop radio-frequency-free space optical transmission system with Málaga distribution.
IET Commun.
Jagadeesh Vellakudiyan, Imran Shafique Ansari, Vineeth Palliyembil, Palanivel Muthuchidambaranathan, Khalid A. Qaraqe
2016 J jnl
On Physical-Layer Security Over SIMO Generalized-K Fading Channels.
IEEE Trans. Veh. Technol.
Hongjiang Lei, Chao Gao, Imran Shafique Ansari, Yongcai Guo, Gaofeng Pan, Khalid A. Qaraqe
2016 J jnl
On the Maximum and Minimum of Double Generalized Gamma Variates With Applications to the Performance of Free-Space Optical Communication Systems.
IEEE Trans. Veh. Technol.
Hessa AlQuwaiee, Imran Shafique Ansari, Mohamed-Slim Alouini
2016 — conf
Outage Analysis of Asymmetric RF-FSO Systems.
VTC Fall
Imran Shafique Ansari, Mohamed M. Abdallah, Mohamed-Slim Alouini, Khalid A. Qaraqe
2016 J jnl
Performance Analysis of Free-Space Optical Links Over Málaga M Turbulence Channels With Pointing Errors.
IEEE Trans. Wirel. Commun.
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2016 J jnl
Performance Analysis of Physical Layer Security Over Generalized-K Fading Channels Using a Mixture Gamma Distribution.
IEEE Commun. Lett.
Hongjiang Lei, Huan Zhang, Imran Shafique Ansari, Chao Gao, Yongcai Guo, Gaofeng Pan, Khalid A. Qaraqe
2016 J jnl
Physical-layer security over generalised-
IET Commun.
Hongjiang Lei, Imran Shafique Ansari, Chao Gao, Yongcai Guo, Gaofeng Pan, Khalid A. Qaraqe
2016 J jnl
Secrecy Outage Analysis for SIMO Underlay Cognitive Radio Networks over Generalized-K Fading Channels.
IEEE Signal Process. Lett.
Hongjiang Lei, Huan Zhang, Imran Shafique Ansari, Gaofeng Pan, Khalid A. Qaraqe
2016 J jnl
Secrecy Outage Performance for SIMO Underlay Cognitive Radio Systems With Generalized Selection Combining Over Nakagami-m Channels.
IEEE Trans. Veh. Technol.
Hongjiang Lei, Huan Zhang, Imran Shafique Ansari, Chao Gao, Yongcai Guo, Gaofeng Pan, Khalid A. Qaraqe
2016 — conf
Secrecy Outage Performance for Underlay MIMO CRNs with Energy Harvesting and Transmit Antenna Selection.
GLOBECOM Workshops
Hongjiang Lei, Ming Xu, Huan Zhang, Gaofeng Pan, Imran Shafique Ansari, Khalid A. Qaraqe
2016 J jnl
Secrecy performance analysis of single-input multiple-output generalized-K fading channels.
Frontiers Inf. Technol. Electron. Eng.
Hongjiang Lei, Imran Shafique Ansari, Chao Gao, Yongcai Guo, Gaofeng Pan, Khalid A. Qaraqe
2016 — conf
Security Performance Analysis of SIMO Generalized-K Fading Channels Using a Mixture Gamma Distribution.
VTC Fall
Hongjiang Lei, Imran Shafique Ansari, Huan Zhang, Khalid A. Qaraqe, Gaofeng Pan
2015 — conf
Asymptotic Ergodic Capacity Analysis of Composite Lognormal Shadowed Channels.
VTC Spring
Imran Shafique Ansari, Mohamed-Slim Alouini
2015 J jnl
Ergodic Capacity Analysis of Free-Space Optical Links With Nonzero Boresight Pointing Errors.
IEEE Trans. Wirel. Commun.
Imran Shafique Ansari, Mohamed-Slim Alouini, Julian Cheng
2015 — conf
On the Performance Analysis of Digital Communications over Weibull-Gamma Channels.
VTC Spring
Imran Shafique Ansari, Mohamed-Slim Alouini
2015 J jnl
On the Performance of Free-Space Optical Communication Systems Over Double Generalized Gamma Channel.
IEEE J. Sel. Areas Commun.
Hessa AlQuwaiee, Imran Shafique Ansari, Mohamed-Slim Alouini
2015 — —
On the Performance of Free-Space Optical Systems over Generalized Atmospheric Turbulence Channels with Pointing Errors.
Imran Shafique Ansari
2015 — conf
Performance Analysis of FSO Links over Unified Gamma-Gamma Turbulence Channels.
VTC Spring
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2015 B conf
Unified performance analysis of mixed line of sight RF-FSO fixed gain dual-hop transmission systems.
WCNC
Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2014 B conf
A performance study of two hop transmission in mixed underlay RF and FSO fading channels.
WCNC
Imran Shafique Ansari, Mohamed M. Abdallah, Mohamed-Slim Alouini, Khalid A. Qaraqe
2014 — conf
On the Capacity of FSO Links under Lognormal and Rician-Lognormal Turbulences.
VTC Fall
Imran Shafique Ansari, Mohamed-Slim Alouini, Julian Cheng
2014 B conf
On the maximum and minimum of two modified Gamma-Gamma variates with applications.
WCNC
Hessa AlQuwaiee, Imran Shafique Ansari, Mohamed-Slim Alouini
2014 — conf
On the performance of free-space optical wireless communication systems over double generalized gamma fading channels.
COMNET
Hessa AlQuwaiee, Imran Shafique Ansari, Mohamed-Slim Alouini
2014 B conf
On the performance of hybrid line of sight RF and RF-FSO fixed gain dual-hop transmission systems.
GLOBECOM
Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2014 J jnl
Unified Performance Analysis of Mixed Line of Sight RF-FSO Fixed Gain Dual-Hop Transmission Systems.
CoRR
Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2013 J jnl
Impact of Pointing Errors on the Performance of Mixed RF/FSO Dual-Hop Transmission Systems
CoRR
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2013 J jnl
Impact of Pointing Errors on the Performance of Mixed RF/FSO Dual-Hop Transmission Systems.
IEEE Wirel. Commun. Lett.
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2013 — conf
On the Performance of Mixed RF/FSO Dual-Hop Transmission Systems.
VTC Spring
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2013 — conf
On the Performance of Mixed RF/FSO Variable Gain Dual-Hop Transmission Systems with Pointing Errors.
VTC Fall
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2013 — conf
On the Sum of Squared eta-µ Random Variates with Application to the Performance of Wireless Communication Systems.
VTC Spring
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2012 J jnl
New Results on the Sum of Gamma Random Variates With Application to the Performance of Wireless Communication Systems over Nakagami-m Fading Channels.
CoRR
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini, Oguz Kucur
2012 J jnl
On the Sum of Squared η-μRandom Variates With Application to the Performance of Wireless Communication Systems
CoRR
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
2012 — conf
On the sum of gamma random variates with application to the performance of maximal ratio combining over Nakagami-m fading channels.
SPAWC
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini, Oguz Kucur
2011 J jnl
A New Formula for the BER of Binary Modulations with Dual-Branch Selection over Generalized-K.
IEEE Trans. Commun.
Imran Shafique Ansari, Saad Al-Ahmadi, Ferkan Yilmaz, Mohamed-Slim Alouini, Halim Yanikomeroglu
2011 — conf
An Exact Closed-Form Expression for the BER of Binary Modulations with Dual-Branch Selection over Generalized-K Fading.
VTC Spring
Imran Shafique Ansari, Saad Al-Ahmadi, Ferkan Yilmaz, Mohamed-Slim Alouini, Halim Yanikomeroglu
2010 J jnl
A New Formula for the BER of Binary Modulations with Dual-Branch Selection over Generalized-K Composite Fading Channels
CoRR
Imran Shafique Ansari, Saad Al-Ahmadi, Ferkan Yilmaz, Mohamed-Slim Alouini, Halim Yanikomeroglu
2009 — conf
An Implementation of Traffic Light System Using Multi-hop Ad hoc Networks.
NBiS
Imran Shafique Ansari