Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Development of Broadband Underwater Radio Communication for Application in Unmanned Underwater Vehicles

Version 1 : Received: 30 March 2020 / Approved: 31 March 2020 / Online: 31 March 2020 (23:08:38 CEST)

A peer-reviewed article of this Preprint also exists.

Smolyaninov, I.; Balzano, Q.; Young, D. Development of Broadband Underwater Radio Communication for Application in Unmanned Underwater Vehicles. J. Mar. Sci. Eng. 2020, 8, 370. Smolyaninov, I.; Balzano, Q.; Young, D. Development of Broadband Underwater Radio Communication for Application in Unmanned Underwater Vehicles. J. Mar. Sci. Eng. 2020, 8, 370.

Journal reference: J. Mar. Sci. Eng. 2020, 8, 370
DOI: 10.3390/jmse8050370

Abstract

This paper presents several novel designs of underwater portable radio antennas operating in the 2 MHz, 50 MHz and 2.4 GHz bands and efficient for launching surface electromagnetic waves at the seawater/air interface. The antenna operation is enabled by an impedance matching antenna enclosure, which is filled with de-ionized water. Enhanced coupling to surface electromagnetic waves is based on the field enhancement at the antenna tip. These design features allow us to reduce antenna dimensions and improve the coupling of electromagnetic energy to the surrounding saltwater medium. Since surface wave propagation length far exceeds the skin depth of conventional radio waves at the same frequency, this technique is useful for broadband underwater wireless communication over distances, which far exceed the skin depth in seawater. We conclude that the developed broadband underwater radio communication technique will be useful in networking of unmanned underwater vehicles.

Subject Areas

unmanned underwater vehicle; broadband radio communication; surface electromagnetic wave

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