A circular switched parasitic array with directors for LoRa applications at 868 MHz

Publikationstyp
Journal Article
Date Issued
2024-07-01
Sprache
English
Author(s)
Reinhold, Lukas 
Hochfrequenztechnik E-3  
Wasle, Casper
Kölpin, Alexander  orcid-logo
Hochfrequenztechnik E-3  
TORE-DOI
10.15480/882.13155
TORE-URI
https://hdl.handle.net/11420/48434
Journal
Electronics letters  
Volume
60
Issue
13
Article Number
e13247
Citation
Electronics Letters 60 (13): e13247 (2024)
Publisher DOI
10.1049/ell2.13247
Scopus ID
2-s2.0-85197720649
Publisher
IET; Wiley
The integration of directive elements into a circular switched parasitic array at 868 MHz is presented. The typical usage of reflective parasitic monopoles is supplemented with additional, shorter monopole elements which are positioned closer to the central active monopole to induce directive behaviour. This allows for more degrees of freedom with the steering of the antennas beam and to increase the gain of the antenna. This leads to a greater flexibility of the system and enables power reduction of the amplifiers for enhanced battery life time. The design and configuration of a circular switched parasitic array with directive elements is shown and a prototype is built for validation.
Subjects
antenna arrays
antenna radiation patterns
antennas
antenna testing
DDC Class
621.3: Electrical Engineering, Electronic Engineering
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by-nc/4.0/
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