標題: Microstrip-fed broadband circularly polarised monopole antenna
作者: Wu, J. -W.
Ke, J. -Y.
Jou, C. F.
Wang, C. -J.
電信工程研究所
Institute of Communications Engineering
公開日期: 1-Apr-2010
摘要: A microstrip-fed broadband circularly polarised (CP) monopole antenna was studied. A broad impedance bandwidth and wide axial ratio bandwidth (AR-BW) could be achieved simultaneously. This antenna used a conventional monopole architecture, except for its deforming ground plane and asymmetric-feed approach. The asymmetric-feed was used to provide an orthogonal component distinct from its original linear polarisation. In addition, by embedding a slit and a stub on the ground plane, this antenna could generate CP wave radiation and achieve a broad impedance bandwidth. According to the measurement results, the impedance bandwidth was 6.56 GHz for a 10 dB return loss, which covered a range of 2.32-8.88 GHz. The AR-BW was 1.2 GHz for a 3 dB AR, which covered a range of 3.2-4.4 GHz.
URI: http://dx.doi.org/10.1049/iet-map.2008.0400
http://hdl.handle.net/11536/5559
ISSN: 1751-8725
DOI: 10.1049/iet-map.2008.0400
期刊: IET MICROWAVES ANTENNAS & PROPAGATION
Volume: 4
Issue: 4
起始頁: 518
結束頁: 525
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