《PHY-Layer-nsdi15-paper-roy》.pdf

Ripple: Communicating through Physical Vibration Nirupam Roy, Mahanth Gowda, and Romit Roy Choudhury, University of Illinois at Urbana-Champaign /conference/nsdi15/technical-sessions/presentation/roy This paper is included in the Proceedings of the 12th USENIX Symposium on Networked Systems Design and Implementation (NSDI ’15). May 4–6, 2015 • Oakland, CA, USA ISBN 978-1-931971-218 Open Access to the Proceedings of the 12th USENIX Symposium on Networked Systems Design and Implementation (NSDI ’15) is sponsored by USENIX Ripple: Communicating through Physical Vibration Nirupam Roy Mahanth Gowda Romit Roy Choudhury University of Illinois at Urbana-Champaign Abstract cation with vibrations. Still, researchers conceived cre- ative applications, including secure smartphone pairing This paper investigates the possibility of communicat- and keyless access control [47]. ing through vibrations. By modulating the vibration mo- tors available in all mobile phones, and decoding them This paper is aimed at improving the data rates of vi- through accelerometers, we aim to communicate small bratory communication, as well as its security features. packets of information. Of course, this will not match the We design Ripple, a system tha