Fig. 7
From: A common grounded ultra-wideband diversity/MIMO antenna with high inter-element isolation

Surface current distribution at 3.3 GHz (a) without meander line, and (b) with meander line.
From: A common grounded ultra-wideband diversity/MIMO antenna with high inter-element isolation

Surface current distribution at 3.3 GHz (a) without meander line, and (b) with meander line.