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- W2663177595 abstract "Wi-Fi has been widely deployed with the rapid development of wireless communication technique. Wi-Fi hotspots are popular in campus, making convenient wireless network access possible. However, during class teaching, in order to avoid students browsing the web based on Wi-Fi hotspots and distracting, we hope Wi-Fi hotspots adaptively shield network access to students in the classroom, while grant access to users outside the classroom. In this work, we prototype TA3C system, a teaching-oriented adaptive Wi-Fi authorized access control scheme, using Channel State Information (CSI) to locate instead of coarse-grained and temporally unstable Received Signal Strength Indication (RSSI). CSI can distinguish multipath signals, stay stable in the same propagation environment, and show different characteristics in different propagation environments, based on which, we can distinguish outdoor and indoor environments, and identify user's location to decide whether to offer him wireless network access or not. Experiment results show that TA3C effectively achieve adaptive Wi-Fi authorized access control, which provides a guarantee for the quality of class teaching. Compared to traditional indoor localization techniques, TA3C does not need accurate location information but simply recognizes user's location indoors or outdoors, which means it does not need dedicated hardware, realizing the low-cost indoor localization technique." @default.
- W2663177595 created "2017-06-30" @default.
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- W2663177595 date "2016-12-01" @default.
- W2663177595 modified "2023-09-25" @default.
- W2663177595 title "TA3C: Teaching-Oriented Adaptive Wi-Fi Authorized Access Control Based on CSI" @default.
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- W2663177595 doi "https://doi.org/10.1109/msn.2016.056" @default.
- W2663177595 hasPublicationYear "2016" @default.
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