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 language | English |
|---|---|
| Title of host publication | ICEAA 2016 |
| Subtitle of host publication | Proceedings of the 2016 18th International Conference on Electromagnetics in Advanced Applications |
| Place of Publication | Piscataway, NJ |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 497-500 |
| Number of pages | 4 |
| ISBN (Electronic) | 9781467398114 |
| DOIs | |
| Publication status | Published - 2 Nov 2016 |
| Externally published | Yes |
| Event | 18th International Conference on Electromagnetics in Advanced Applications, ICEAA 2016 - Cairns, Australia Duration: 19 Sept 2016 → 23 Sept 2016 |
Other
| Other | 18th International Conference on Electromagnetics in Advanced Applications, ICEAA 2016 |
|---|---|
| Country/Territory | Australia |
| City | Cairns |
| Period | 19/09/16 → 23/09/16 |
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