Abstract
This communication proposes a new patch antenna with dual circularly polarized capability at 2.575 GHz. The design exploits the even and odd modes in a coplanar waveguide transmission line and enables simultaneous right- and left-handed circular polarization, with two individual excitation ports. A patch antenna is fed by multimode transmission line and the advantages and disadvantages are discussed. A prototyped antenna realized up to 20 dB isolation between ports with S21 < -10B bandwidth of 87 MHz. Realized gains for the two modes of operation are 5.77 and 7.23 dBic. The proposed structure is compact and easy to manufacture.
Original language | English |
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Article number | 6542713 |
Pages (from-to) | 4828-4831 |
Number of pages | 4 |
Journal | IEEE Transactions on Antennas and Propagation |
Volume | 61 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2013 |
Keywords
- Antenna feeds
- circular polarization
- dual polarization
- microstrip antennas