Abstract: An antenna system, installed on a base, includes: a first group of MIMO antennas, including multiple first MIMO antennas, and each first MIMO antenna is provide with a grounding structure and a fence like structure perpendicular to the base; a second group of MIMO antennas, comprising multiple second MIMO antennas, and each second MIMO antenna is a planar structure, arranged on a substrate, and the substrate is fixed to the base through a support column and the substrate is parallel to the base; a third group of MIMO antennas, comprising multiple third MIMO antennas, and each third MIMO antenna includes a dielectric structure and a wire structure perpendicular to the base, and the wire structure excites the dielectric structure; an AUX antenna, provided with a T-shaped slot parallel to the base.

Abstract: An antenna system, installed on a base, includes: a first group of MIMO antennas, including multiple first MIMO antennas, and each first MIMO antenna is provide with a grounding structure and a fence like structure perpendicular to the base; a second group of MIMO antennas, comprising multiple second MIMO antennas, and each second MIMO antenna is a planar structure, arranged on a substrate, and the substrate is fixed to the base through a support column and the substrate is parallel to the base; a third group of MIMO antennas, comprising multiple third MIMO antennas, and each third MIMO antenna includes a dielectric structure and a wire structure perpendicular to the base, and the wire structure excites the dielectric structure; an AUX antenna, provided with a T-shaped slot parallel to the base.

Abstract: A phase shifter with asymmetric dielectric unit includes: a feed layer, with circuit layout surface and back side; a stripline feeding network fixed to the circuit layout surface, including a phase shifting unit and a power distribution unit; an asymmetric dielectric unit, including the upper dielectric plate on the circuit layout surface of corresponding feed layer and a lower dielectric plate on the back side of corresponding feed layer, the upper and lower dielectric plates are pairwise located and shift simultaneously, corresponding to the fixed transmission line section of phase shifting unit, the phase is changed by shifting the dielectric plates for phase shift function; the ends corresponding to the displacement direction of the dielectric plates are asymmetrically laid by staggering the edge positions; and an interlocking frame, located in the circuit layout surface and back side of feed layer, for driving the upper and lower dielectric plates to shift.