A Wideband Differential-Fed Microstrip Patch Antenna Based on Radiation of Three Resonant Modes

Figure 2

Design process of proposed wideband antenna. (a) Conventional MPA. (b) MPA with two slots. (c) MPA with two slots and shortened patch. (d) MPA with two slots, shortened patch and a pair of strips.

(a)

(b)

(c)

(d)