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Short-range ultrasonic communications in air using quadrature modulation

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Li, C. (Chuan), Hutchins, David A. and Green, Roger, 1951-. (2009) Short-range ultrasonic communications in air using quadrature modulation. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol.56 (No.10). pp. 2060-2072. ISSN 0885-3010

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Official URL: http://dx.doi.org/10.1109/TUFFC.2009.1289

Abstract

A study has been undertaken of ultrasonic communications methods in air, using a quadrature modulation method. Simulations were first performed to establish the likely performance of quadrature phase shift keying over the limited bandwidth available in an ultrasonic system. Quadrature phase shift keying modulation was then implemented within an experimental communication system, using capacitive ultrasonic sources and receivers. The results show that such a system is feasible in principle for communications over distances of several meters, using frequencies in the 200 to 400 kHz range.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Ultrasonics -- Research, Phase modulation -- Research, Phase shift keying, Communication -- Research
Journal or Publication Title:	IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	0885-3010
Date:	October 2009
Volume:	Vol.56
Number:	No.10
Number of Pages:	13
Page Range:	pp. 2060-2072
Identification Number:	10.1109/TUFFC.2009.1289
Status:	Not Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
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URI:	http://wrap.warwick.ac.uk/id/eprint/2517