Self-supervised learning for wifi csi-based human activity recognition: A systematic study

K Xu, J Wang, H Zhu, D Zheng - arxiv preprint arxiv:2308.02412, 2023‏ - arxiv.org
Recently, with the advancement of the Internet of Things (IoT), WiFi CSI-based HAR has
gained increasing attention from academic and industry communities. By integrating the …

Evaluating Self-Supervised Learning for WiFi CSI-Based Human Activity Recognition

K Xu, J Wang, H Zhu, D Zheng - ACM Transactions on Sensor Networks, 2025‏ - dl.acm.org
With the advancement of the Internet of Things (IoT), WiFi Channel State Information (CSI)-
based Human Activity Recognition (HAR) has garnered increasing attention from both …

Extraction and denoising of human signature on radio frequency spectrums

S Yang, L Yuan, J Li - 2023 IEEE International Conference on …, 2023‏ - ieeexplore.ieee.org
This paper proposes an innovative machine-learning-based method to extract compact,
accurate, and adequate human radio frequency signature in residential environment. Our …

Motion Detection of Multiple Human Using Spectral Analysis of Wi-Fi Signals

K Sakaguchi, M Kishihara… - 2024 IEEE Asia-Pacific …, 2024‏ - ieeexplore.ieee.org
Wi-Fi sensing is expected to be a low-cost sensing method because it does not require
dedicated sensors. In this study, the Wi-Fi received signal strength was measured when two …

Wi-PC: A Device-Free People Counting System Based on WiFi Channel State Information

J Yang, M Yang, Y Wu, PJ Yang… - 2023 IEEE Smart World …, 2023‏ - ieeexplore.ieee.org
In recent years, wireless sensing based on WiFi has become a popular research topic in
recent years. This paper proposes a people counting framework named Wi-PC, which …

[PDF][PDF] EXTRACTION AND DENOISING OF HUMAN SIGNATURE ON RADIO FREQUENCY SPECTRA VIA CONDITIONAL GENERATIVE ADVERSARIAL NETWORK

S YANG - 2022‏ - secs.oakland.edu
Figure 1 Pre-processed full frequency band spectrum plot. 19 Figure 2 CGAN model
structure. 22 Figure 3 Evaluation system flow chart. 27 Figure 4 RTL-SDR device used in the …