Daily Living Activity Recognition with Frequency-Shift WiFi Backscatter Tags
Hikoto Iseda,
Keiichi Yasumoto,
Akira Uchiyama
et al.
Abstract:To provide diverse in-home services like elderly care, versatile activity recognition technology is essential. Radio-based methods, including WiFi CSI, RFID, and backscatter communication, are preferred due to their minimal privacy intrusion, reduced physical burden, and low maintenance costs. However, these methods face challenges, including environmental dependence, proximity limitations between the device and the user, and untested accuracy amidst various radio obstacles such as furniture, appliances, walls… Show more
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