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cs.IT2026
Densification Converses for Walker Constellations
Ali Khalesi, François Baccelli
We establish densification converses for Walker LEO constellations under nearest-visible association in the full-frequency-reuse setting. Performance is evaluated under the invaria…
cs.IT2025
Hyper-Minrank: A Unified Hypergraph Characterization of Multi-Sender Index Coding
Ali Khalesi, Petros Elia
This work introduces a hypergraph formulation that generalizes the classical paradigm of Bar-Yossef et al. to the multi-sender index coding (MSIC) setting. Central to the model is…