Wideband Omnidirectional and Compact Antenna for VHF/UHF Band

Wideband Omnidirectional and Compact Antenna for VHF/UHF Band

A wideband omnidirectional and compact (WIBOC) antenna is proposed in this letter. The antenna is constructed with a combination of an upper metallic plane with an elliptic shape, a rectangular metallic plane placed underneath, and a discone monopole antenna used as an excitator located between thes...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2011, Vol.10, p.3-6
Hauptverfasser: Palud, Sebastien, Colombel, Franck, Himdi, Mohamed, Le Meins, Cyrille
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Antenna radiation patterns
Bandwidth
Broadband antennas
Frequency measurement
impedance matching
omnidirectional antennas
Shape
small antennas
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Beschreibung
Zusammenfassung:A wideband omnidirectional and compact (WIBOC) antenna is proposed in this letter. The antenna is constructed with a combination of an upper metallic plane with an elliptic shape, a rectangular metallic plane placed underneath, and a discone monopole antenna used as an excitator located between these metallic planes. This antenna provides broadband characteristics and omnidirectionnal radiation patterns in the azimuth plane over the whole bandwidth with a height limited to λ LF /29, where λ LF is the lowest frequency of the operating band.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2011.2105239