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eess.SY2026
Risk-Aware AoII-Based Scheduling with Hybrid Transmission for a Semi-Markov Source
Saeid Sadeghi Vilni, Risto Wichman
We consider a multi-receiver status update system in which a transmitter monitors a finite-state semi-Markov source and decides whether to stay idle, unicast an update, or broadcas…
eess.SY2025
Statistical Modeling for Accurate Characterization of Doppler Effect in LEO-Terrestrial Networks
Islam M. Tanash, Risto Wichman, Nuria Gonzalez-Prelcic
Low Earth Orbit (LEO) satellite communication is a promising solution for global wireless coverage, especially in underserved and remote areas. However, the high relative velocity…
eess.SY2025
Real-time Tracking System with Partially Coupled Sources
Saeid Sadeghi Vilni, Risto Wichman
We consider a pull-based real-time tracking system consisting of multiple partially coupled sources and a sink. The sink monitors the sources in real-time and can request one sourc…