MOBICOM
2015
ACM
9 years 11 months ago
2015
ACM
Some pioneer WiFi signal based human activity recognition systems have been proposed. Their key limitation lies in the lack of a model that can quantitatively correlate CSI dynami...
108
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MOBICOM
2015
ACM
9 years 11 months ago
2015
ACM
Imagine a user typing on a laptop keyboard while wearing a smart watch. This paper asks whether motion sensors from the watch can leak information about what the user is typing. W...
119
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MOBICOM
2015
ACM
9 years 11 months ago
2015
ACM
This paper presents Recitation, the first software system that uses lightweight channel state information (CSI) to accurately predict error-prone bit positions in a packet so tha...
113
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MOBICOM
2015
ACM
9 years 11 months ago
2015
ACM
This paper explores the limits of audio ranging on mobile devices in the context of a keystroke snooping scenario. Acoustic keystroke snooping is challenging because it requires d...
108
click to vote
MOBICOM
2015
ACM
9 years 11 months ago
2015
ACM
Recently a number of systems have been developed to implement and improve the visual communication over screen-camera links. In this paper we study an opposite problem: how to pre...