collaborators

7 papers

cs.IT2025

On the Resilience of Direction-Shift Keying Against Phase Noise and Short Channel Coherence Time at mmWave Frequencies

Mohaned Chraiti, Ozgur Ercetin, Ali Ghrayeb +1

The rapid variation of the wireless channel (short channel coherence time) and the phase noise are two prominent concerns in Millimeter-wave (mmWave) and sub-Terahertz systems comm…

cs.IT2025

Secure Pinching Antenna-aided ISAC

Elmehdi Illi, Marwa Qaraqe, Ali Ghrayeb

In this letter, a pinching antenna (PA)-aided scheme for establishing a secure integrated sensing and communication system (ISAC) is investigated. The underlying system comprises a…

cs.IT2025

Theoretical and Experimental Assessment of Large Beam Codebook at mmWave Devices: How Much is Enough?

Bora Bozkurt, Hasan Atalay Gunel, Mohaned Chraiti +3

Modern millimeter wave (mmWave) transceivers come with a large number of antennas, each of which can support thousands of phase shifter configurations. This capability enables beam…

cs.IT2025

On the Secrecy-Sensing Optimization of RIS-assisted Full-Duplex Integrated Sensing and Communication Network

Elmehdi Illi, Ahmad Bazzi, Marwa Qaraqe +1

Integrated sensing and communication (ISAC) has recently emerged as a viable technique for establishing sensing and communication using the same resources. Nonetheless, the operati…

cs.CR2024

VMGuard: Reputation-Based Incentive Mechanism for Poisoning Attack Detection in Vehicular Metaverse

Ismail Lotfi, Marwa Qaraqe, Ali Ghrayeb +1

The vehicular Metaverse represents an emerging paradigm that merges vehicular communications with virtual environments, integrating real-world data to enhance in-vehicle services.…

math.OC2024

Movable Antennas in Wireless Systems: A Tool for Connectivity or a New Security Threat?

Youssef Maghrebi, Mohamed Elhattab, Chadi Assi +2

The emergence of movable antenna (MA) technology has marked a significant advancement in the field of wireless communication research, paving the way for enhanced connectivity, imp…