A dual-polarized millimeter-wave antenna system applicable to 5G communications and a mobile terminal are disclosed. Each antenna element comprises a radiating body and a director, wherein the radiating body comprises a first dielectric layer, a main radiating part, a first feeding branch, a second feeding branch, a third feeding branch and a fourth branch, and the director comprises a second dielectric layer, a first director part and a second director part. The director has the same effect on a +45 polarization pattern and a 45 polarization pattern of the radiating body, so that wide-angle coverage is realized, and the consistency of the two polarization patterns is good; and the antenna system occupies a small area does not need a clearance area and can be placed on a complete metal ground plate, there by being suitable for full-screen equipment.

Described is a hybrid notch antenna comprising a flared notch antenna structure and a transverse electromagnetic (TEM) horn structure having walls disposed through or attached to the notch antenna structure member such that the TEM horn is integrated with the notch antenna to form a hybrid TEM/notch antenna.

Methods and devices for integrating antennas fabricated using planar laminate processes. The method includes laminating one or more conductive layers to a first dielectric material layer, forming one or more holes through at least the first dielectric material layer, forming a monopole antenna through at least a first of the holes, attaching one or more integrated circuit dies to one of the conductive layer, and connecting the integrated circuit dies to the monopole antenna. The device can include a planar laminate integrated circuit module including one or more dielectric material layers, one or more integrated circuit die on a surface of or attached to the planar laminate integrated circuit module, and an integrated monopole antenna interfaced with the integrated circuit dies. The integrated monopole antenna is formed in a through hole of the planar laminate integrated circuit module, the through hole being formed through at least one of the dielectric material layers.

The present subject matter relates to positioning monopole antennas on a ground plane of a mobile device, the ground plane having a tapered edge near where the monopole is positioned. By placing the monopole near the tapered edge, the radiation pattern of the monopole is directed, at least partially, laterally towards the tapered edge. In some embodiments, a reflector is on the ground plane, where the monopole is between the reflector and the tapered edge. The reflector is configured to further direct radiation from the monopole towards the monopole antenna and tapered edge.

The present subject matter relates to systems, devices, and methods for controlling the directional gain of an antenna. in some embodiments, an antenna for wireless communications includes a monopole antenna element and at least one passive beam-steering element that is spaced apart from the monopole antenna element. The at least one passive beam-steering element is configured to steer a signal beam from the monopole antenna element in a direction substantially orthogonal to the monopole antenna element.

A multiple band phase shifter includes a first dielectric layer, a conductive layer, a second dielectric layer, and for each central operating frequency of a plurality of central operating frequencies, a switch, a plurality of vias, and a conducting pattern layer. Each via is formed of a conductive material that extends through the first dielectric layer, through a third dielectric material formed in and through the conductive layer, and through the second dielectric layer and is connected to a first throw arm or a second throw arm of the switch. The conducting pattern layer includes conductors electrically connected to a distinct via. An electric polarization of a reflected electromagnetic wave is rotated by 90 degrees when the switch is positioned in the first conducting position and the electric polarization of the reflected electromagnetic wave is rotated by 90 degrees when the switch is positioned in the second conducting position.

A multiple co-frequency microwaves detection antenna includes an oscillation circuit unit, a reference ground and at least two radiation sources. The radiation sources each has a feed point and are arranged spacedly at the reference ground. A radiation gap is formed between each of the radiation sources and the reference ground. The feed point of the radiation source is electrically connected to the oscillating circuit unit.

Embodiments of the present disclosure provide methods, apparatuses, devices and systems related to the implementation of a multi-layer printed circuit board (PCB) radio-frequency antenna featuring, a printed radiating element coupled to an absorbing element embedded in the PCB. The embedded element is configured within the PCB layers to prevent out-of-phase reflections to the bore-sight direction.

An alignment tool and a method are disclosed for alignment of a reflector arrangement. The reflector arrangement comprises a flat reflective surface which is configured to reflect an electromagnetic wave signal between a first antenna site and a second antenna site. The alignment tool comprises a camera circuit for capturing images of a field-of-view, an input circuit configured to receive a user input comprising the field-of-view coordinates of the first antenna site, a processing circuit configured to compute alignment information from the user input, and a display circuit configured to display the field-of-view and the alignment information.

A multi-band radiating array includes a reflector, a plurality of first radiating elements defining a first column on the reflector, a plurality of second radiating elements defining a second column on the reflector alongside the first column, and a plurality of third radiating elements defining a third column on the reflector between the first and second columns. The first radiating elements have a first operating frequency range, the second radiating elements have a second operating frequency range that is wider than the first operating frequency range, and the third radiating elements have a third operating frequency range that is lower than the second operating frequency range. Related radiating elements are also discussed.