IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Digital acoustic communication in air using parametric loudspeaker
Riku FukudaTadashi EbiharaKoichi MizutaniNaoto Wakatsuki
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2020 Volume 9 Issue 5 Pages 136-140

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Abstract

We propose an acoustic communication system using parametric loudspeaker that emits a communication signal into a limited area. We found that the use of minimum shift keying is suitable, since it has the potential and second harmonic signal that occur when the emit signal is distorted during propagation due to the effect of air. Experiments revealed that the proposed system emits an audible signal to a limited area, achieves a BER of 10−3 at Eb/N0 of 10 dB. Thus, it outperforms benchmarks using other modulation schemes.

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© 2020 The Institute of Electronics, Information and Communication Engineers
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