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eess.SP2026
Beyond Diagonal RIS for Physical-Layer Security: Low-Complexity Solution in the Low-SNR Regime
Rawan Derbas, Hamad Yahya
This letter investigates beyond diagonal reconfigurable intelligent surfaces (BD-RIS) for physical-layer security (PLS) in correlated wiretap channels. A multi-antenna transmitter…
eess.SP2026
RIS-Assisted Radar-Communication Coexistence: Detection Analysis with Channel Uncertainties
Rawan Derbas, Shimaa Naser, Hamad Yahya +3
Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology for improving communication reliability in radar-communication coexistence (RCC) scenarios, partic…
eess.SP2026
On the Detection Optimality and Exact BER Analysis of NOMA
Tasneem Assaf, Hamad Yahya, Arafat Al-Dweik
Non-orthogonal multiple access (NOMA) detection using successive interference cancellation (SIC) and joint multiuser maximum likelihood (JML) has been extensively studied, although…