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| Hauptverfasser: | , , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| Online-Zugang: | https://arxiv.org/abs/2510.08160 |
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| _version_ | 1866909832966045696 |
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| author | Bhat, Nabeel Nisar Karnaukh, Maksim Struye, Jakob Berkvens, Rafael Famaey, Jeroen |
| author_facet | Bhat, Nabeel Nisar Karnaukh, Maksim Struye, Jakob Berkvens, Rafael Famaey, Jeroen |
| contents | Person identification plays a vital role in enabling intelligent, personalized, and secure human-computer interaction. Recent research has demonstrated the feasibility of leveraging Wi-Fi signals for passive person identification using a person's unique gait pattern. Although most existing work focuses on sub-6 GHz frequencies, the emergence of mmWave offers new opportunities through its finer spatial resolution, though its comparative advantages for person identification remain unexplored. This work presents the first comparative study between sub-6 GHz and mmWave Wi-Fi signals for person identification with commercial off-the-shelf (COTS) Wi-Fi, using a novel dataset of synchronized measurements from the two frequency bands in an indoor environment. To ensure a fair comparison, we apply identical training pipelines and model configurations across both frequency bands. Leveraging end-to-end deep learning, we show that even at low sampling rates (10 Hz), mmWave Wi-Fi signals can achieve high identification accuracy (91.2% on 20 individuals) when combined with effective background subtraction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_08160 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Beyond Sub-6 GHz: Leveraging mmWave Wi-Fi for Gait-Based Person Identification Bhat, Nabeel Nisar Karnaukh, Maksim Struye, Jakob Berkvens, Rafael Famaey, Jeroen Machine Learning Human-Computer Interaction Person identification plays a vital role in enabling intelligent, personalized, and secure human-computer interaction. Recent research has demonstrated the feasibility of leveraging Wi-Fi signals for passive person identification using a person's unique gait pattern. Although most existing work focuses on sub-6 GHz frequencies, the emergence of mmWave offers new opportunities through its finer spatial resolution, though its comparative advantages for person identification remain unexplored. This work presents the first comparative study between sub-6 GHz and mmWave Wi-Fi signals for person identification with commercial off-the-shelf (COTS) Wi-Fi, using a novel dataset of synchronized measurements from the two frequency bands in an indoor environment. To ensure a fair comparison, we apply identical training pipelines and model configurations across both frequency bands. Leveraging end-to-end deep learning, we show that even at low sampling rates (10 Hz), mmWave Wi-Fi signals can achieve high identification accuracy (91.2% on 20 individuals) when combined with effective background subtraction. |
| title | Beyond Sub-6 GHz: Leveraging mmWave Wi-Fi for Gait-Based Person Identification |
| topic | Machine Learning Human-Computer Interaction |
| url | https://arxiv.org/abs/2510.08160 |