Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Asynchronous Chirp Slope Keying for Underwater Acoustic Communication

Dominik Jan Schott
* ORCID logo ,
Andrea Gabbrielli
ORCID logo ,
Wenxin Xiong
,
Georg Fischer
,
Fabian Höflinger
ORCID logo ,
Johannes Wendeberg
,
Christian Schindelhauer
ORCID logo ,
Stefan Johann Rupitsch
Version 1 : Received: 29 March 2021 / Approved: 30 March 2021 / Online: 30 March 2021 (14:25:50 CEST)

A peer-reviewed article of this Preprint also exists.

Schott, D.J.; Gabbrielli, A.; Xiong, W.; Fischer, G.; Höflinger, F.; Wendeberg, J.; Schindelhauer, C.; Rupitsch, S.J. Asynchronous Chirp Slope Keying for Underwater Acoustic Communication. Sensors 2021, 21, 3282. Schott, D.J.; Gabbrielli, A.; Xiong, W.; Fischer, G.; Höflinger, F.; Wendeberg, J.; Schindelhauer, C.; Rupitsch, S.J. Asynchronous Chirp Slope Keying for Underwater Acoustic Communication. Sensors 2021, 21, 3282.

Abstract

We propose an asynchronous acoustic chirp slope keying to map bit sequences on single or multiple bands without preamble or error correction coding on the physical layer. Details of the implementation are disclosed and discussed, the performance verified on laboratory scale in a pool measurement, as well as simulated for a channel containing Rayleigh fading and Additive White Gaussian Noise. For time-bandwidth products of 50 in single band mode, a raw data rate of 100~bit/s is simulated to achieve bit error rates below 0.001 for signal-to-noise ratios above -6~dB. In dual-band mode and a data rate of 200~bit/s, this bit error level was achieved for signal-to-noise ratios above 0~dB for time-bandwidth product of 25. The packet error rates follow this behavior with an offset of 1~dB.

Keywords

Underwater Communication; Wireless Communication; Acoustic Communication; Ultrasound Acoustics; Digital Signal Processing; Chirp Modulation; Chirp Slope Keying; Chirp Spread Spectrum

Subject

Engineering, Electrical and Electronic Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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