A phased array antenna device comprises antenna elements positioned within a corresponding unit cell. The unit cells are arranged non-overlappingly next to each other. A feeding network transmits antenna signals between a common control unit and the respective antenna element. The feeding network comprises a plurality of antenna element transmission line segments, each running into an antenna element, and a plurality of phase shifting devices. Several feeding transmission line segments, each comprising more than two transition structures are provided. Each transition structure couples a signal into a corresponding antenna element transmission line segment. The transition structure for an antenna element transmission line segment that runs into a unit cell is positioned in the direction of the feeding transmission line segment passing by or traversing this unit cell at a phase shifting distance that is larger than an extension of the unit cell measured in this direction.

Structures and formation methods of a chip package are provided. The chip package includes a semiconductor die having a conductive element and an antenna element over the semiconductor die. The chip package also includes a first conductive feature electrically connecting the conductive element of the semiconductor die and the antenna element. The chip package further includes a protective layer surrounding the first conductive feature. In addition, the chip package includes a second conductive feature over the first conductive feature. A portion of the second conductive feature is between the first conductive feature and the protective layer.

Disclosed antenna unit includes first substrate and second substrate opposite to each other, phase shifting units and driver circuit. Region facing the first substrate and the second substrate form phase shifting region. In first direction, the first substrate formed with first step region, and used for connecting radio-frequency signal terminal; in second direction, the second substrate formed with second step region, and included angle between the first direction and the second direction greater than or equal to 0° and smaller than 180°. At least part of the first step region does not overlap at least part of the second step region. Phase shifting units used for radiating radio-frequency signal and distributed in phase shifting region, each phase shifting unit. At least part of the driver circuit disposed in the second step region and the driver circuit electrically connected to each phase shifting unit to adjust radio-frequency signal.

The present invention relates to an antenna assembly. The antenna assembly comprises a feed board, a backplane, and a calibration board. A plurality of radiating elements are mounted on the feed board and extend forwardly from the feed board. The feed board is mounted on a first major surface of the backplane, and the calibration board is mounted on a second major surface of the backplane opposite the first major surface. The antenna assembly further includes a conductive structure, which extends through openings in at least two of the feed board, the backplane and the calibration board so as to electrically connect a first transmission line on the calibration board with a second transmission line on the feed board. The antenna assembly according to embodiments of the present invention can also achieve high integration and miniaturization of the overall antenna construction. Further, the present invention relates to a base station antenna comprises an antenna assembly.

The disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system, such as long term evolution (LTE). An antenna device is provided. The antenna device includes a first printed circuit board (PCB), a second PCB for a plurality of antenna elements, and a radio frequency integrated circuit (RFIC) coupled through a first surface of the first PCB. The second PCB may include a radio frequency (RF) routing layer including RF lines for the respective plurality of antenna elements. The first PCB may include a feeding structure for connecting the RF routing layer and the RFIC. The second PCB may be electrically connected to a second surface of the first PCB opposite to the first surface of the first PCB, through a first surface of the second PCB. The second PCB may be coupled to the plurality of antenna elements.

An apparatus is disclosed comprising first printed circuit board—PCB—and second PCB structure each having a first surface and a second surface and a layer of electrically conductive material on the first surface thereof and being attached to each other in a substantially parallel configuration. A stripline is positioned between the two PCBs. Each one of the first PCB and the second PCB has a plurality of via-holes that are electrically conductive and are connected at one end to the layer of electrically conductive material on the first surface and to an electrically conductive pad on the second surface of the PCB. At least a first electrically conductive pad associated with the first PCB is located in proximity with a first electrically conductive pad associated with the second PCB thereby forming a capacitive configuration.

The present disclosure relates to stripline cavity structures. One example stripline cavity structure is disposed on a back surface of a reflecting plate, and first avoidance holes are provided on the reflecting plate. The stripline cavity structure includes at least one second conductor strip, the stripline cavity structure is disposed on the back surface of the reflecting plate, and the second conductor strip passes through the first avoidance holes to be connected to the first conductor strip in a microstrip circuit.

This application describes multi-band antenna systems and base stations. An example multi-band antenna system includes: a plurality of radiating element arrays, feeding networks separately corresponding to the plurality of radiating element arrays, at least one layer of a frequency selective surface (FSS), and a reflection panel. The plurality of radiating element arrays are located above the reflection panel. All or some of the plurality of radiating element arrays are stacked. The at least one layer of the FSS is located between the stacked radiating element arrays. A feeding network corresponding to at least one radiating element array in the stacked radiating element arrays is electrically connected to the at least one layer of the FSS, or the feeding network corresponding to the at least one radiating element array is integrated on the at least one layer of the FSS.

Radiating elements, antenna assemblies, and base station antennas including the same. For example, a radiating element is provided that includes a feed stalk and a radiator mounted on the feed stalk. The feed stalk includes a dielectric substrate, a first metal pattern printed on a first major surface of the dielectric substrate, and a second metal pattern printed on a second major surface of the dielectric substrate that is opposite the first major surface. The first metal pattern includes a first feed transmission line and a first feed welding region electrically connected to the first feed transmission line. The second metal pattern includes a second feed welding region electrically connected to the first feed welding region.

The application provides an antenna and a communications device, and pertains to the field of antenna technologies. The antenna includes a horizontally polarized antenna and a vertically polarized antenna that are disposed in a superposition manner. The horizontally polarized antenna includes a metal sheet, and the metal sheet can be separately connected to a double-sided parallel strip line in the horizontally polarized antenna and a first conductor of a coaxial cable. A diameter of a maximum inscribed circle of the metal sheet is greater than a line width of the double-sided parallel strip line, and both the metal sheet and the coaxial cable are located on a first side of a substrate. Therefore, the metal sheet can effectively suppress an induced current in the coaxial cable, and impact of the induced current on the vertically polarized antenna can be reduced.