Design and performance of an integrated antenna for a 433MHz car park monitoring system

Author

Caso, R. ; Michel, A. ; Nepa, P. ; Manara, G. ; Massini, R.

Author_Institution

Dept. of Inf. Eng., Univ. of Pisa, Pisa, Italy

fYear

2012

fDate

8-14 July 2012

Firstpage

1

Lastpage

2

Abstract

A top-loaded vertical monopole antenna is designed to be integrated in a wireless sensor of a car park monitoring system operating at 433MHz. The final design came out from a careful analysis of the effects on the antenna input impedance of nearby elements (photovoltaic cells, battery, sensor cover, ultrasonic transducer). A performance comparison between the proposed vertically polarized antenna and a commercial ceramic antenna is presented, showing an average increase of the received power level at the reader of about 2.2dB, when measurements are performed on a distance range of 10-60m between the sensor and the reader antenna of the car park monitoring system.

Keywords

UHF antennas; monopole antennas; radiotelemetry; antenna input impedance; car park monitoring system; commercial ceramic antenna; distance 10 m to 60 m; frequency 433 MHz; integrated antenna design; photovoltaic cells; reader antenna; sensor cover; top-loaded vertical monopole antenna; ultrasonic transducer; vertically polarized antenna; Antenna measurements; Ceramics; Monitoring; Receiving antennas; Wireless communication; Wireless sensor networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE

Conference_Location

Chicago, IL

ISSN

1522-3965

Print_ISBN

978-1-4673-0461-0

Type

conf

DOI

10.1109/APS.2012.6349377

Filename

6349377