Compact and Broadband CPW Fed Ring Pair Slot Antenna

A compact and broadband coplanar waveguide (CPW) fed ring pair slot antenna is presented in this paper. The designed antenna operates in the frequency range from 2.6 to 7.13 GHz (93%) for |
$S$
11
| ≤ -10 dB with a peak gain of 5.06 dBi at 5.6 GHz. The designed antenna is uniplanar having the size of 0.39λ
0
× 0.3λ
0
× 0.007 λ
0
(λ
0
is the wavelength at the lowest operating frequency in free space). The proposed configuration has a stable radiation pattern over the operating frequency band. The designed antenna is fabricated and simulated results are validated with measured results.