Modified Microstrip Aperture Coupled Patch Antenna with Sierpinski Fractal Geometry

Figure 3

The return loss of the proposed antenna. (a) The return loss from 0.9 GHz to 1.1 GHz. (b) The return loss from 3.5 GHz to 3.9 GHz. (c) The return loss from 8 GHz to 9.1 GHz.

(a) The return loss from 0.8 GHz to 1.1 GHz

(b) The return loss from 3.4 GHz to 4 GHz

(c) The return loss from 8.1 GHz to 9.5 GHz