Low-cost 3D printed compact circularly polarized antenna with high efficiency and wide beamwidth

X. Chen, Y. J. Guo, P. Y. Qin, G. Fu

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

1 Citation (Scopus)

Abstract

A novel compact circularly polarized (CP) microstrip antenna is presented. The antenna introduces a circular radiation patch with a crossed slot to improve the impedance matching and reduce the antenna sizes. Meanwhile, triangular feed patches are adopted to increase the bandwidth. A no-resistor series feed line is used for achieving a high antenna efficiency. Based on the above method, the antenna is constructed by three low-cost PCBs which form a solid and light structure. The profile and the diameter of the antenna are just 0.064λ0 and 0.28λ0 respectively (λ0 is the wavelength in free space). The impedance bandwidth for VSWR≤2 is 20.8%, and the AR bandwidth for AR≤3dB is 8.3%. In the overlap band, the radiation efficiency can reaches more than 95%, and the gains are over 5.2dBic. Especially, the beamwidth for AR≤3dB can cover more than 128°.

Original languageEnglish
Title of host publicationICEAA 2016
Subtitle of host publicationProceedings of the 2016 18th International Conference on Electromagnetics in Advanced Applications
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages497-500
Number of pages4
ISBN (Electronic)9781467398114
DOIs
Publication statusPublished - 2 Nov 2016
Externally publishedYes
Event18th International Conference on Electromagnetics in Advanced Applications, ICEAA 2016 - Cairns, Australia
Duration: 19 Sep 201623 Sep 2016

Other

Other18th International Conference on Electromagnetics in Advanced Applications, ICEAA 2016
CountryAustralia
CityCairns
Period19/09/1623/09/16

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