The invention relates to a directional antenna network adapted to operate in at least one predetermined frequency band, which comprises at least one pair of metal antennas (8,10) formed by a first metal antenna and a second metal antenna, the second metal antenna being sequentially rotated by a predetermined angle of rotation relative to the first metal antenna, a load circuit (6), with each metal antenna connected to said load circuit, and a monopole antenna (12), having a central position in the antenna network, connected to said load circuit (6). The metal antennas and the monopole antenna are arranged on a ground plane (4) and coupled, with the load circuit (6) being parameterized to provide radiation in which the monopole antenna (12) has a destructive contribution of a magnetic transverse radiation mode, whereby radiation by said at least one pair of metal antennas of selected circular polarization is obtained.

Antenna suitable to be integrated in a printed circuit board, which is an electromagnetically coupled antenna that comprises: a body of dielectric material of a substantially planar design having a bottom side and top side; a bottom metallized layer on the bottom side of the body, which layer is provided with a slot; a top metallized layer on the top side of the body, which layer is provided with a T-shaped slot; wherein both the above slots, as well as the top and bottom metallized layer surrounding the slots, are provided on symmetrically opposite sides of the body; wherein electrically conductive strands are provided in the body, which strands extend substantially vertically from the bottom side to the top side, and electrically connect the bottom metallized layer with the top metallized layer; wherein the strands are disposed in such a way as to collectively form a row that delimits an inner volume of the body; wherein a feeding line of electrically conductive material is provided inside the body, the feeding line extending in a plane between the bottom side and the top side, wherein the feeding line has a distal section extending within the inner volume of the body delimited by the strands, which distal section has a curled shape in the plane in which it extends.

Antenna suitable to be integrated in a printed circuit board, which is an electromagnetically coupled antenna that comprises: a body of dielectric material of a substantially planar design having a bottom side and top side; a bottom metallized layer on the bottom side of the body, which layer is provided with a slot; a top metallized layer on the top side of the body, which layer is provided with a T-shaped slot; wherein both the above slots, as well as the top and bottom metallized layer surrounding the slots, are provided on symmetrically opposite sides of the body; wherein electrically conductive strands are provided in the body, which strands extend substantially vertically from the bottom side to the top side, and electrically connect the bottom metallized layer with the top metallized layer; wherein the strands are disposed in such a way as to collectively form a row that delimits an inner volume of the body; wherein a feeding line of electrically conductive material is provided inside the body, the feeding line extending in a plane between the bottom side and the top side, wherein the feeding line has a distal section extending within the inner volume of the body delimited by the strands, which distal section has a curled shape in the plane in which it extends.

An antenna device and an electronic device are provided. The antenna device includes an antenna radome and an antenna module. The antenna radome includes a dielectric substrate and a resonance structure carried on the dielectric substrate. The antenna module is spaced apart from the antenna radome and configured to perform at least one of receiving and transmitting a radio frequency signal of a preset frequency band in a radiation direction which is directed toward the dielectric substrate and the resonance structure. The resonance structure has an in-phase reflection characteristic for the radio frequency signal of the preset frequency band, and a distance between a radiation surface of the antenna module and a surface of the resonance structure facing the antenna module is determined by a reflection phase difference of the antenna radome and a wavelength of the radio frequency signal of the preset frequency band transmitted in air.

An antenna device and an electronic device are provided. The antenna device includes an antenna radome and an antenna module. The antenna radome includes a dielectric substrate and a resonance structure carried on the dielectric substrate. The antenna module is spaced apart from the antenna radome and configured to perform at least one of receiving and transmitting a radio frequency signal of a preset frequency band in a radiation direction which is directed toward the dielectric substrate and the resonance structure. The resonance structure has an in-phase reflection characteristic for the radio frequency signal of the preset frequency band, and a distance between a radiation surface of the antenna module and a surface of the resonance structure facing the antenna module is determined by a reflection phase difference of the antenna radome and a wavelength of the radio frequency signal of the preset frequency band transmitted in air.

An antenna device is provided in the disclosure. The antenna device includes a metal component, a signal cable, and a grounding component. The metal component includes a slot. The slot includes an open end and a closed end, and the open end forms an opening at a side of the metal component. The signal cable includes a signal portion and a grounding portion. The signal cable is disposed such that a projection of the signal portion is partially overlapped with the opening. The grounding portion is electrically connected to the metal component through the grounding component.

An antenna device is provided in the disclosure. The antenna device includes a metal component, a signal cable, and a grounding component. The metal component includes a slot. The slot includes an open end and a closed end, and the open end forms an opening at a side of the metal component. The signal cable includes a signal portion and a grounding portion. The signal cable is disposed such that a projection of the signal portion is partially overlapped with the opening. The grounding portion is electrically connected to the metal component through the grounding component.

The present invention discloses a sector dual-resonant dipole antenna. Radiation elements of the antenna are two identical sector patches. Two identical rectangular notches can be symmetrically arranged or two identical tuning stubs can be symmetrically loaded on the sector patches at positions deviating from the central axis of the two sector patches. Exciting points are symmetrically arranged on sides of the sector patches close to a central axis. The present invention realizes a wide beamwidth radiation characteristic through a two-dimensional sectorial resonator, and then the notches are arranged or the tuning stubs are loaded at appropriate positions of two arms of the sectorial resonator, and thereby a dual-resonant characteristic can be realized within a working band.

The present invention discloses a sector dual-resonant dipole antenna. Radiation elements of the antenna are two identical sector patches. Two identical rectangular notches can be symmetrically arranged or two identical tuning stubs can be symmetrically loaded on the sector patches at positions deviating from the central axis of the two sector patches. Exciting points are symmetrically arranged on sides of the sector patches close to a central axis. The present invention realizes a wide beamwidth radiation characteristic through a two-dimensional sectorial resonator, and then the notches are arranged or the tuning stubs are loaded at appropriate positions of two arms of the sectorial resonator, and thereby a dual-resonant characteristic can be realized within a working band.

An antenna control system and method and a mobile terminal are provided. The system includes an antenna and a controller. The antenna includes a first antenna portion and a second antenna portion symmetrically distributed, each of which has a plurality of operating states corresponding to a plurality of operating resonance frequencies. The controller includes an antenna-operating-state acquisition submodule configured to acquire a first operating state of the first antenna portion; a control submodule configured to adjust a second operating state of the second antenna portion based on the first operating state such that a difference between an operating resonance frequency of the first antenna portion and an operating resonance frequency of the second antenna portion is less than a defined threshold.