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- W4387680135 abstract "Existing works utilize WiFi signals to capture a user’s activities for non-intrusive and device-free user authentication, but multi-user authentication remains a challenging task. In this chapter, we present a multi-user authentication system, MultiAuth, which can authenticate multiple users with a single commodity WiFi device. The key idea is to profile multipath components of WiFi signals induced by multiple users, and construct individual CSI from the multipath components to solely characterize each user for user authentication. Specifically, we propose a MUltipath Time-of-Arrival measurement algorithm (MUTA) to profile multipath components of WiFi signals in high resolution. Then, after aggregating and separating the multipath components related to users, MultiAuth constructs individual CSI based on the multipath components to solely characterize each user. To identify users, MultiAuth further extracts user behavior profiles based on the individual CSI of each user through time-frequency analysis, and leverages a dual-task neural network for robust user authentication. Extensive experiments involving 3 simultaneously present users demonstrate that MultiAuth is accurate and reliable for multi-user authentication with 87.6% average accuracy and 8.8% average false accept rate." @default.
- W4387680135 created "2023-10-17" @default.
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- W4387680135 date "2023-01-01" @default.
- W4387680135 modified "2023-10-17" @default.
- W4387680135 title "Multi-User Authentication Using WiFi" @default.
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- W4387680135 doi "https://doi.org/10.1007/978-981-99-5914-3_4" @default.
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