Digital acoustic communication in air using parametric loudspeaker

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 propaga...

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Bibliographic Details
Published inIEICE COMMUNICATIONS EXPRESS Vol. 9; no. 5; pp. 136 - 140
Main Authors Fukuda, Riku, Ebihara, Tadashi, Mizutani, Koichi, Wakatsuki, Naoto
Format Journal Article
LanguageEnglish
Published The Institute of Electronics, Information and Communication Engineers 01.01.2020
Subjects
digital acoustic communication
frequency diversity
parametric loudspeaker
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ISSN2187-0136
2187-0136
DOI10.1587/comex.2020XBL0007

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Summary: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.
ISSN:2187-0136
2187-0136
DOI:10.1587/comex.2020XBL0007