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Circularly polarized monopole hook antenna for ISM ‐band systems
Author(s) -
Donelli M.,
Robol F.
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31179
Subject(s) - monopole antenna , coaxial antenna , antenna efficiency , microstrip antenna , antenna factor , turnstile antenna , antenna measurement , optics , dipole antenna , antenna (radio) , radiation pattern , physics , patch antenna , electrical engineering , engineering
In this letter, a circular polarized monopole hook antenna for ISM‐band applications is proposed. The antenna is printed on dielectric substrate and is fed by a 50 microstrip line. The antenna demonstrated good radiation properties, a wideband return loss, and a very good axial ratio. The influence of geometrical antenna parameters and in particular the hook angle which affect the antenna polarization are investigated and optimized. The obtained experimental results are in good agreement with the simulations.