Patent attributes
An antenna system, a communication terminal and a base station are provided. The antenna system includes a system ground unit having a receiving hole penetrating therethrough; and a millimeter wave antenna unit embedded in and fixed to the receiving hole. The millimeter wave antenna unit includes: a radiator, a first substrate layer, a second substrate layer, a feeding body, a third substrate layer, and a grounding layer that are stacked. The feeding body is provided with a slit strip and a feeding port, the slit strip has an opening penetrating to one of sides of the feeding body, the feeding port is disposed adjacent to the opening, the grounding layer is electrically connected to the system ground unit, and the radiator is coupled with the feeding body. The antenna system can achieve omnidirectional radiation and has a scanning angle of over 100 degrees.