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From AoI to QVAoI: Query-Based Semantics-Aware Scheduling for Energy-Harvesting IoT Systems
Erfan Delfani, Nikolaos Pappas
In this work, we study the freshness and significance of information in an IoT status update system in which an Energy Harvesting (EH) device samples an information source and forw…
Optimizing Information Freshness in IoT Systems with Update Rate Constraints: A Token-Based Approach
Erfan Delfani, Nikolaos Pappas
In Internet of Things (IoT) status update systems, where information is sampled and subsequently transmitted from a source to a destination node, the imperative necessity lies in m…
State-Aware Timeliness in Energy Harvesting IoT Systems Monitoring a Markovian Source
Erfan Delfani, George J. Stamatakis, Nikolaos Pappas
In this study, we investigate the optimal transmission policies within an energy harvesting status update system, where the demand for status updates depends on the state of the so…
Semantic Text Transmission via Prediction with Small Language Models: Cost-Similarity Trade-off
Bhavani A Madhabhavi, Gangadhar Karevvanavar, Rajshekhar V Bhat +1
We consider the communication of natural language text from a source to a destination over noiseless and character-erasure channels. We exploit language's inherent correlations and…
Optimizing Information Freshness over a Channel that Wears Out
George J. Stamatakis, Osvaldo Simeone, Nikolaos Pappas
A sensor samples and transmits status updates to a destination through a wireless channel that wears out over time and with every use. At each time slot, the sensor can decide to s…
Version Age of Information Minimization over Fading Broadcast Channels
Gangadhar Karevvanavar, Hrishikesh Pable, Om Patil +2
We consider a base station (BS) that receives version update packets from multiple exogenous streams and broadcasts them to corresponding users over a fading broadcast channel usin…