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

Figure 7

Simulated and measured S-parameters of the microstrip antenna arrays: (a) reference antenna array, (b) array with Case 1, (c) array with Case 2, (d) array with Case 3, and (e) array with Case 4.

(a)

(b)

(c)

(d)

(e)