A Compact Highly Isolated Four-Element Antenna System for Ultra-Wideband Applications

Figure 10

Measured two-dimensional far-field pattern of the proposed antenna at (a) 3.5 GHz, (b) 7 GHz, and (c) 9 GHz. (d) Measurement setup in anechoic chamber.

(a)

(b)

(c)

(d)