Semantics-Aware Communication:A Differentiated Allocation Perspective

Fangming Zhao; Nikolaos Pappas; Howard H. Yang

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arXiv · 2605.09095

Semantics-Aware Communication:A Differentiated Allocation Perspective

Fangming Zhao·Nikolaos Pappas·Howard H. Yang

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Abstract

We study the joint optimization of timeliness and reliability in semantics-aware Wireless Networked Control Systems (WNCS) under computation resource constraints. The sampled data are categorized into regular and critical tasks based on the semantic states, facilitating differentiated resource allocation. Task-aware Age of Actuation (AoA) and Cost of Missing Actuation (CoMA), are used to characterize the task-level freshness and the reliability penalty of missed actuations, respectively. By modeling the controller as a discrete-time multi-rate Geo/D/C/C queue, we evaluate the performance of regular and critical tasks, the latter imposing higher computational demands. Results confirm that differentiated resource allocation across heterogeneous tasks effectively guarantees the actuation reliability of critical tasks in severely constrained environments.

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Fangming Zhao, Nikolaos Pappas, Howard H. Yang. 2026-05-09. Semantics-Aware Communication:A Differentiated Allocation Perspective. https://arxiv.org/abs/2605.09095

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