Author

Georges Kaddoum

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Preprint Oct 2026

Multi-Timescale Context-Aware Radio Resource Optimization for Harmonious NTN-TN Coexistence: A Digital Twin and Open RAN Enabled Framework

Coexistence between non-terrestrial networks (NTNs) and terrestrial networks (TNs) is essential for future wireless systems, but terrestrial downlink transmissions can generate harmful aggregate interference at low-Earth orbit (LEO) satellite receivers. We present DT-STABLE, an Open Radio Access Network (O-RAN)-enabled...

Ecem Izde Kaya, Md. Zoheb Hassan, Georges Kaddoum · 0 citations

2026

Non-Stationary THz Channel Characterization for S2A Communications: A Trajectory-Aware Doppler Analysis

This letter investigates terahertz (THz) channel modeling for Satellite-to-Airplane (S2A) communications–a critical framework for achieving high-speed, cellular-equivalent in-flight connectivity in 6G networks. To capture the non-stationary nature of the S2A link, we model aircraft trajectory parameters, including spee...

Mohammadjavad Mirzazadeh, Georges Kaddoum, C. Abou-Rjeily · IEEE Communications Letters · 0 citations

Preprint Aug 2026

New Approximations of Non-Separable MIMO Channels by Separable Channels for Accurate Ergodic Capacity Analysis

In recent years, owing to the high accuracy in characterizing non-separable channels prevalent in next-generation wireless applications, the classical Weichselberger channel model has gained widespread adoption in multiple-input multiple-output (MIMO) systems. However, its non-separable structure also introduces severe...

T. Nguyen, Z. Haas, C. Abou-Rjeily et al. · 0 citations