Lightweight Task-Oriented Semantic Communication Empowered by Large-Scale AI Models

• URL: http://arxiv.org/abs/2506.13243v1
• Date: Mon, 16 Jun 2025 08:42:16 GMT
• Title: Lightweight Task-Oriented Semantic Communication Empowered by Large-Scale AI Models
• Authors: Chuanhong Liu, Caili Guo, Yang Yang, Mingzhe Chen, Tony Q. S. Quek,
• Abstract summary: Large-scale artificial intelligence (LAI) models pose significant challenges for real-time communication scenarios.<n>This paper proposes utilizing knowledge distillation (KD) techniques to extract and condense knowledge from LAI models.<n>We propose a fast distillation method featuring a pre-stored compression mechanism that eliminates the need for repetitive inference.
• Score: 66.57755931421285
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent studies have focused on leveraging large-scale artificial intelligence (LAI) models to improve semantic representation and compression capabilities. However, the substantial computational demands of LAI models pose significant challenges for real-time communication scenarios. To address this, this paper proposes utilizing knowledge distillation (KD) techniques to extract and condense knowledge from LAI models, effectively reducing model complexity and computation latency. Nevertheless, the inherent complexity of LAI models leads to prolonged inference times during distillation, while their lack of channel awareness compromises the distillation performance. These limitations make standard KD methods unsuitable for task-oriented semantic communication scenarios. To address these issues, we propose a fast distillation method featuring a pre-stored compression mechanism that eliminates the need for repetitive inference, significantly improving efficiency. Furthermore, a channel adaptive module is incorporated to dynamically adjust the transmitted semantic information based on varying channel conditions, enhancing communication reliability and adaptability. In addition, an information bottleneck-based loss function is derived to guide the fast distillation process. Simulation results verify that the proposed scheme outperform baselines in term of task accuracy, model size, computation latency, and training data requirements.

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