Decoupling technique of patch antenna arrays with shared substrate by suppressing near-field magnetic coupling using magnetic metamaterials
Liu Zhaotang1, Wang Jiafu1, †, Qu Shaobo1, ‡, Zhang Jieqiu1, Ma Hua1, Xu Zhuo2, Zhang Anxue3
       

(color online) H-field vector distribution of the two closely packed patches (a) on xy plane and (b) on xz plane in the substrate at 4 GHz.