A Lumped-Element Decoupling and Matching Network for a Four-Element Mobile Handset MIMO Antenna

Figure 3

View of the prototype from the top (a) and front (b), and a close-up of the DMN (c). The gray rectangles denote lumped elements, the red arrows signify feeding locations, and the red dotted lines in the close-up are the feeding locations from the ground when the physical network is not included.

(a)

(b)

(c)