DISPOSITIF D'ANTENNE À ENTRÉES MULTIPLES ET SORTIES MULTIPLES POUR TERMINAL ET PROCÉDÉ POUR RÉALISER LA TRANSMISSION D'UN SIGNAL D'ANTENNE

摘要

The present disclosure provides a multi input multi output (MIMO) antenna device of a terminal and an antenna signal transmitting method. The MIMO antenna device provided by the present disclosure at least includes a main board, two end areas of the main board are respectively provided with a group of antenna radiating units, a middle area of the main board is provided with a metal ground unit, wherein a first group of antenna radiating units on one end area of the main board includes a first top-layer radiating subunit and a first bottom-layer radiating subunit which are arranged on the end area, a second group of antenna radiating units on the other end area of the main board includes a second top-layer radiating subunit and a second bottom-layer radiating subunit which are arranged on the end area, and the metal ground unit on the middle area of the main board includes a top-layer metal ground and a bottom-layer metal ground, and a first feeding port and a second feeding port are arranged on the bottom metal ground.