7 papers
Secure Wireless Information Transfer and Energy Harvesting in HAPS-Based Network
Khaled Humadi, Gunes Karabulut-Kurt, Wessam Ajib +1
High-altitude platform station (HAPS) serves as a promising enabler for wide-area connectivity of low-power wireless devices, particularly in remote and underserved regions. Howeve…
Space Shift Keying-Enabled ISAC for Efficient Debris Detection and Communication in LEO Satellite Networks
Gedeon Ghislain Nkwewo Ngoufo, Khaled Humadi, Elham Baladi +1
The proliferation of space debris in low Earth orbit (LEO) presents critical challenges for orbital safety, particularly for satellite constellations. Integrated sensing and commun…
Improving SAGIN Resilience to Jamming with Reconfigurable Intelligent Surfaces
Leila Marandi, Khaled Humadi, Gunes Karabulut Kurt +2
This study investigates the anti-jamming space-air-ground integrated network (SAGIN) scenario wherein a reconfigurable intelligent surface (RIS) is deployed on a fixed Unmanned Aer…
Distributed Massive MIMO System with Dynamic Clustering in LEO Satellite Networks
Khaled Humadi, Gunes Karabulut Kurt, Halim Yanikomeroglu
Distributed massive multiple-input multiple output (mMIMO) system for low earth orbit (LEO) satellite networks is introduced as a promising technique to provide broadband connectiv…
Terahertz User-Centric Clustering in the Presence of Beam Misalignment
Khaled Humadi, Imene Trigui, Wei-Ping Zhu +1
Beam misalignment is one of the main challenges for the design of reliable wireless systems in terahertz (THz) bands. This paper investigates how to apply user-centric base station…
Dark Side of HAPS Systems: Jamming Threats towards Satellites
Hadil Otay, Khaled Humadi, Gunes Karabulut Kurt
Securing satellite communication networks is imperative in the rapidly evolving landscape of advanced telecommunications, particularly in the context of 6G advancements. This paper…
Effects of Solar Radio Emissions on Outdoor Propagation Path Loss Models at 60 GHz Bands for Access/Backhaul Links and D2D Communications
Ahmed Iyanda Sulyman, Hussein Seleem, Abdulmalik Alwarafy +2
This paper presents analytical and empirical data documenting the effects of solar radio emissions on outdoor propagation path loss at 60 GHz bands. Both line-of-sight (LOS) and no…