Compact Bandwidth Enhanced Cavity-Backed Magneto-Electric Dipole Antenna with Outer Γ-Shaped Probe for GNSS Bands

Compact Bandwidth Enhanced Cavity-Backed Magneto-Electric Dipole Antenna with Outer Γ-Shaped Probe for GNSS Bands

In this paper, a wideband small cavity-backed magneto-electric (ME) antenna is proposed. This antenna is linearly polarized and designed to cover all the Global Navigation Satellite System (GNSS) bands. It exhibits small external dimensions of 90 × 90 × 40 mm3 (0.34 × 0.34 × 0.15 λ3 at lowest freque...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2021-05, Vol.21 (11), p.3599
Hauptverfasser: Causse, Alexandre, Rodriguez, Kevin, Bernard, Loïc, Sharaiha, Ala, Collardey, Sylvain
Format: Artikel
Sprache:eng
Schlagworte:
Antenna radiation patterns
Antennas
Bandwidths
cavity-backed antenna
Communication
Dipole antennas
Electric dipoles
Engineering Sciences
GNSS
Linear polarization
magneto-electric
miniature
Radiation
Satellite communications
wideband
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Beschreibung
Zusammenfassung:In this paper, a wideband small cavity-backed magneto-electric (ME) antenna is proposed. This antenna is linearly polarized and designed to cover all the Global Navigation Satellite System (GNSS) bands. It exhibits small external dimensions of 90 × 90 × 40 mm3 (0.34 × 0.34 × 0.15 λ3 at lowest frequency) and achieves a wide impedance bandwidth of 40.5% (from 1.14 to 1.72 GHz) due to the excitation of a third resonance of the ME structure. It also provides a regular broadside gain of 5.2 dBi and stable radiation pattern in both E and H planes of the antenna.
ISSN:1424-8220
1424-8220
DOI:10.3390/s21113599