Proposal of a hybrid QAM-MPPM technique for optical communications systems. - Haitham S. Khallaf; Hossam M. H. Shalaby (ICTON, 2014)

Performance analysis of a hybrid QAM-MPPM technique under gamma-gamma turbulent channels. - Haitham S. Khallaf; Abdallah S. Ghazy; Hossam M. H. Shalaby; Seiichi Sampei (ICTON, 2016)

Efficiency of opportunistic cellular/LiFi traffic offloading. - Haitham S. Khallaf; Abdulaziz E. Elfiqi; Mohamed Elwekeil; Hossam M. H. Shalaby; Salah S. A. Obayya (ICTON, 2017)

Average SER of MPPM technique over exponentiated Weibull fading FSO channels considering fog and beam divergence. - Haitham S. Khallaf; Abdulaziz E. Elfiqi; Hossam M. H. Shalaby; Salah S. A. Obayya (ICTON, 2017)

Performance analysis of visible light communication systems over fading channels. - Haitham S. Khallaf; Abdallah S. Ghazy; Hossam M. H. Shalaby; Salah S. A. Obayya (ICTON, 2017)

Performance Analysis of a Hybrid QAM-MPPM Technique Over Turbulence-Free and Gamma-Gamma Free-Space Optical Channels. - Haitham S. Khallaf; Hossam M. H. Shalaby; José María Garrido-Balsells; Seiichi Sampei (JOCN, 2017)

Two-Level MPPM-MDPSK Modulation for Free-Space Optical Channels. - Abdulaziz E. Elfiqi; Ahmed E. Morra; Haitham S. Khallaf; Hossam M. H. Shalaby; Steve Hranilovic (GLOBECOM, 2018)

UAV-Based FSO Communications for High Speed Train Backhauling. - Haitham S. Khallaf; Murat Uysal (WCNC, 2019)

Chaotic Polarization-Assisted L DPSK-MPPM Modulation for Free-Space Optical Communications. - Abdulaziz E. Elfiqi; Haitham S. Khallaf; Salem F. Hegazy; Amr Elsonbaty; Hossam M. H. Shalaby; Salah S. A. Obayya (IEEE Trans. Wirel. Commun., 2019)

Relay Probing for Millimeter Wave Multi-Hop D2D Networks. - Ehab Mahmoud Mohamed; Basem M. ElHalawany; Haitham S. Khallaf; Mahdi Zareei; Asim Zeb; Mahmoud Ahmed Abdelghany (IEEE Access, 2020)

Wi-Fi Assisted Two-Hop Relay Probing in WiGig Device to Device Networks. - Ehab Mahmoud Mohamed; Haitham S. Khallaf; Murat Uysal; Basem M. ElHalawany; Mostafa M. Fouda (ICC, 2021)

Under-Sea Ice Diffusing Optical Communications. - Abdallah S. Ghazy; Haitham S. Khallaf; Steve Hranilovic; Mohammad Ali Khalighi (IEEE Access, 2021)

Composite Fading Model for Aerial MIMO FSO Links in the Presence of Atmospheric Turbulence and Pointing Errors. - Haitham S. Khallaf; Kazutoshi Kato; Ehab Mahmoud Mohamed; Sadiq M. Sait; Halim Yanikomeroglu; Murat Uysal (IEEE Wirel. Commun. Lett., 2021)

Wavefront Sensing and Correction via Compressive Sensing and Advanced Photonic Devices. - Haitham S. Khallaf; Aydin Amini; Antony Orth; Oliver J. Pitts; Rafael Kleiman; Steve Hranilovic (ICC Workshops, 2023)

Reliable Satellite Optical Backhaul Feeder Links for Remote Areas via Fiber Tethered Aerostats. - Haitham S. Khallaf; Mark Knez; Steve Hranilovic (WCNC, 2024)

Quantifying Impact of Pointing Errors on Secrecy Performance of UAV-Based Relay-Assisted FSO Links. - Haitham S. Khallaf; Sherief Hashima; Mohamed Rihan; Ehab Mahmoud Mohamed; Hossam M. Kasem (IEEE Internet Things J., 2024)

On the Physical Layer Security of Automotive Dual-Function Radar-Communication Systems. - Zheng-Ming Jiang; Mohamed Rihan; Qijun Deng; Ehab Mahmoud Mohamed; Haitham S. Khallaf; Xiaojun Wang; Rasha Omar (IEEE Internet Things J., 2024)

Multilayer Irregular RIS-Assisted Wireless Communication System Performance Optimization. - Shimaa A. El-Meadawy; Ping Zhu 003; Haitham S. Khallaf (IEEE Internet Things J., 2025)