Investigation of Planar Isolators for Mutual Coupling Reduction in Two-Dimensional Microstrip Antenna Arrays

Figure 10

Radiation patterns of 2 × 2 patch antenna array with and without isolators: (a) simulated patterns in the E plane, (b) simulated patterns in the H plane, (c) simulated patterns in the E plane, and (d) simulated patterns in the H plane.

(a)

(b)

(c)

(d)