[Submitted on 2 Sep 2026]
Title:Quantum-Assisted Memory-Efficient Training for Parameter-Intensive Wi-Fi-Based Human Activity Recognition
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Abstract:Wi-Fi-based human activity recognition (HAR) has become an important part of integrated sensing and communications, paving the way for a range of context-aware services. However, most existing Wi-Fi-based HAR systems rely on deep learning (DL) models that are computationally and memory intensive in both training and inference, which poses significant challenges for real-world deployment. Conventional training requires simultaneous updates of millions of parameters, leading to prohibitive memory consumption. In this paper, we propose a novel quantum-assisted memory-efficient training framework (Q-MET) designed to improve efficiency in both training and inference. Q-MET utilizes a hybrid quantum classical neural network to indirectly generate parameters for HAR models, significantly reducing the trainable parameter count compared to direct optimization. To further support the deployment on resource-constrained devices, we integrate structured pruning during the training phase. Experimental results demonstrate that Q-MET achieves a 90% to 95% reduction in trainable parameters compared with conventional backpropagation-based DL training while maintaining or even exceeding classical classification accuracy. Additionally, Q-MET supports lightweight inference through structured pruning, achieving 75% to 85% model sparsity with less than 2% loss in classification accuracy. To the best of our knowledge, this work represents the first quantum-assisted approach to simultaneously tackle memory inefficiencies in both the training and inference stages of HAR systems.
Comments: 18 pages, 9 figures
Subjects:
Machine Learning (cs.LG)
Cite as: arXiv:2609.04271 [cs.LG]
(or arXiv:2609.04271v1 [cs.LG] for this version)
https://doi.org/10.48550/arXiv.2609.04271
arXiv-issued DOI via DataCite
Journal reference: IEEE Trans. Netw. Sci. Eng., pp. 1-18, 2026
Related DOI:
https://doi.org/10.1109/TNSE.2026.3725484
DOI(s) linking to related resources
Submission history
From: Truong An To [view email] [v1] Wed, 2 Sep 2026 19:31:22 UTC (387 KB)
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