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Design of mobile band subsurface antenna for drainage infrastructure monitoring

See, Chan H.; Kosha, Jamal; Mshwat, Widad A.; Abd-Alhameed, Raed A.; Ong, Felicia L.C.; McEwan, Neil J.; Excell, Peter S.

Authors

Jamal Kosha

Widad A. Mshwat

Raed A. Abd-Alhameed

Felicia L.C. Ong

Neil J. McEwan

Peter S. Excell



Abstract

This paper presents an underground subsurface wireless sensor for drainage infrastructure water level monitoring. It operates from 800 to 2170 MHz to cover the required GSM850/900, GSM1800/1900 and UMTS bands. The system consists of a wideband antenna, transceiver, data acquisition unit and an ultrasonic sensor. The proposed antenna is a 3-dimensional inverted double F antenna and has an envelope size of 90 × 63.5 × 32 mm^3 , which is acceptably small for a cramped subsurface passageway environment. The antenna design was developed using software simulation to optimise its key parameters of return loss and radiation pattern, these being evaluated both in free space and in the partially underground environment. The design developed was then realised in hardware and tested in a representative subsurface location: a utility manhole chamber. It was found that the location of the antenna in the chamber had a significant effect on its performance, but a location that was acceptable for operational purposes was found by experiment. The overall system, including a transceiver, was demonstrated to operate satisfactorily for utility monitoring purposes, including acceptable levels of path loss for communication with mobile communication base stations.

Journal Article Type Article
Acceptance Date Jul 3, 2019
Online Publication Date Jul 30, 2019
Publication Date 2019-10
Deposit Date Jul 4, 2019
Publicly Available Date Jul 4, 2019
Journal IET Microwaves, Antennas & Propagation
Print ISSN 1751-8725
Electronic ISSN 1751-8733
Publisher Institution of Engineering and Technology (IET)
Peer Reviewed Peer Reviewed
Volume 13
Issue 13
Pages 2380-2385
DOI https://doi.org/10.1049/iet-map.2019.0243
Keywords drainage; antenna; sensors; infrastructure; wireless sensor networks
Public URL http://researchrepository.napier.ac.uk/Output/1935223
Contract Date Jul 4, 2019

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Copyright Statement
This paper is a postprint of a paper submitted to and accepted for publication in IET Microwaves, Antennas and Propagation journal and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library.







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