ChirpCast: Data Transmission via Audio

2015/08/28 by Francis Iannacci, Yanping Huang, Iannacci, Francis +1
Computer Science · Engineering · #Bluetooth and Wireless Communication Technologies #Energy Efficient Wireless Sensor Networks #Indoor and Outdoor Localization Technologies #cs.NI

paper · pdf · doi:10.48550/arxiv.1508.07099

arxiv created 2015/08/28 · arxiv updated 2015/08/31

Abstract

In this paper we present ChirpCast, a system for broadcasting network access keys to laptops ultrasonically. This work explores several modulation techniques for sending and receiving data using sound waves through commodity speakers and built-in laptop microphones. Requiring only that laptop users run a small application, the system successfully provides robust room-specific broadcasting at data rates of 200 bits/second.

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