A Quad-Element UWB-MIMO Antenna with Band-Notch and Reduced Mutual Coupling Based on EBG Structures

Figure 1

Geometry and parameters of a single element. (a) Front view. (b) Back view. Dimensions (unit: mm):  = 3.0,  = 8.0,  = 4.9,  = 2.7,  = 4.0,  = 6.8,  = 5.7,  = 4.1,  = 28.5,  = 8.8,  = 4.5,  = 28.5,  = 1.3, and  = 2.75. Note. , , and are the center of the circle with radius , , and , respectively. The following are the distances: and .

(a)

(b)