A wideband patch antenna with cross-polarization suppression

A wideband patch antenna with cross-polarization suppression

A patch antenna is proposed for wideband and low cross-polarization operation by introducing a meandering strip feeding structure. The investigation shows that this feeding technique is suitable for both planar and curved grounding structures, where the impedance bandwidths (SWR < 2) of 24% and 3...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2004-01, Vol.3, p.211-214
Hauptverfasser: Li, P, Lai, H.W, Luk, K.M, Lau, K.L
Format: Artikel
Sprache:eng
Schlagworte:
Antenna feeds
Antenna radiation patterns
Antennas
Banded structure
Bandwidth
Broadband antennas
Curved
Feeding
Grounding
Impedance
Noise levels
Passband
Patch antennas
Probes
Simulation
Wideband
Wireless communication
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Beschreibung
Zusammenfassung:A patch antenna is proposed for wideband and low cross-polarization operation by introducing a meandering strip feeding structure. The investigation shows that this feeding technique is suitable for both planar and curved grounding structures, where the impedance bandwidths (SWR < 2) of 24% and 32% can be obtained, respectively. In both cases, the cross-polarization levels are less than -20 dB in E- and H-planes across the passband. Also, symmetrical and stable radiation patterns are obtained. Simulation results are compared with experiments and good agreement is observed.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2004.834937