Abstract
A circular polarized (CP) slot antenna is designed with a slot composed of multiple circular sectors (MCS). The design has advantages of having a wide 3 dB axial ratio (AR) bandwidth of 57.4%, achieving a good AR smaller than 2 dB in most areas of the frequency range. The design of the antenna follows a multi-objective optimization procedure that applies computational power rather than human tuning. A comparison of the optimized antenna design with other wideband CP antennas in the literature shows that it has advantages of having a smaller physical size in the cross-sectional area than the antennas with multiple feeding structures and a wider operating bandwidth than all the compared antennas. © 2011 IEEE.
| Original language | English |
|---|---|
| Article number | 5871304 |
| Pages (from-to) | 3065-3070 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 59 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Aug 2011 |
Research Keywords
- Circuit optimization
- circular polarization
- slot antennas
- wideband
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