Abstract: A signal processing device may include a feeding apparatus having a first conductor configured to transmit a radio frequency signal; an insulating medium covering the first conductor; and a second conductor covering the insulating medium. The conductor may have first, second, and third portions. The third portion of the first conductor may be configured to be connected to the target apparatus to feed the radio frequency signal to the target apparatus and configured to form a capacitive impedance with the target apparatus, and the second portion of the first conductor may be configured to form an inductive impedance with the target apparatus. An absolute value of a sum of the capacitive impedance and the inductive impedance may be less than or equal to a preset impedance threshold.

Abstract: A twin beam base station antenna includes a first array that has a plurality of columns of first frequency band radiating elements, the first array configured to form a first antenna beam that provides coverage throughout a first sub-sector of a three-sector base station. The radiating elements in a first of the columns in the first array have a first azimuth boresight pointing direction and the radiating elements in a second of the columns in the first array have a second azimuth boresight pointing direction that is offset from the first azimuth boresight pointing direction by at least 10°. The radiating elements in the second of the columns in the first array are electrically steered.

Abstract: A patch antenna comprises a multilayer printed circuit board that includes a calibration network, an array of patch radiators and a feed network. In some embodiments, the multilayer printed circuit board includes a plurality of dielectric substrates, wherein the array of patch radiators is provided on a dielectric substrate different from the dielectric substrate on which the calibration network is provided, and the dielectric substrate provided with the array of patch radiators is provided above the dielectric substrate provided with the calibration network.

Abstract: Antenna systems are provided. An antenna system includes a beamforming array having a plurality of vertical columns of radiating elements that are each configured to transmit at least three antenna beams per polarization. Moreover, the antenna system includes a beamforming radio having a plurality of radio frequency ports per polarization that are coupled to and fewer than the vertical columns.

Abstract: The present disclosure relates to a printed circuit board assembly, which includes: a first printed circuit board, printed with a first transmission trace; a second printed circuit board, printed with a second transmission trace; a substrate, in which, the provides a through aperture for a radio frequency connector; and a radio frequency connector, which includes an inner contact portion, an housing and an insulating part provided between the inner contact portion and housing, where the radio frequency connector is configured to be received in and pass through the through aperture, such that a first end of the inner contact portion of the radio frequency connector is electrically connected to the first transmission trace and a second end thereof is electrically connected to the second transmission trace, so that a first end of the housing of the radio frequency connector is electrically connected to a ground layer of the first printed circuit board and a second end thereof is electrically connected to the gro

Abstract: A calibration device for an antenna includes a dielectric substrate and a metal pattern printed on the dielectric substrate. The metal pattern includes at least a portion of a calibration circuit, where a first portion of the calibration circuit is on a first major surface of the dielectric substrate, a second portion of the calibration circuit is on an opposed second major surface of the dielectric substrate. The first portion and/or the second portion of the calibration circuit may be constructed as coplanar waveguide transmission lines.

Abstract: Base station antennas, and components for base station antennas, such as reflectors, feeder components, frames, and column components. A base station antenna may include a reflector; a first radiator located at the front side of the reflector; mutually parallel first and second ground plates extending backward from the reflector and basically perpendicular to the reflector; and a first conductor strip extending between the first and second ground plates and configured to feed power to the first radiator. The first conductor strip and the first and second ground plates may be configured as a first stripline transmission line. The reflector and the first and second ground plates may be configured as one piece so that the reflector is grounded via the first and second ground plates without soldering.

Abstract: The present invention relates to a board assembly used for a base station antenna and a base station antenna including such a board assembly. The board assembly includes a first circuit board (3) and a second circuit board (4), and the first circuit board and the second circuit board are spaced apart from each other. The first circuit board has a plurality of first electrical connectors, the second circuit board has a plurality of second electrical connectors, and the first electrical connectors and the second electrical connectors are electrically connected by a plurality of coaxial cable assemblies (5). Each coaxial cable assembly extends between the first circuit board and the second circuit board, and includes a coaxial cable, a first corresponding electrical connector matching the first electrical connector on a first end of the coaxial cable, and a second corresponding electrical connector matching the second electrical connector on a second end opposite to the first end on the coaxial cable.

Abstract: An integrated base station antenna comprises a passive antenna that includes a front radome, a matching dielectric layer and a rear radome; and an active antenna mounted on the back of the passive antenna. A distance between the rear radome of the passive antenna and the matching dielectric layer is a first distance, and the distance between the active antenna and the rear radome of the passive antenna is a second distance, where the first distance is selected as 0.25 + n/2 times the equivalent wavelength, where n is a positive integer, and the second distance is selected as 0.25 + N/2 times the equivalent wavelength, where N is a natural number. The equivalent wavelength is within the range of 0.8 to 1.2 times of the wavelength corresponding to a center frequency of an operating frequency band of the radiating elements in the active antenna.

Abstract: An integrated base station antenna comprises a passive antenna and an active antenna installed behind the passive antenna. The active antenna comprises a reflecting plate and an array of radiating elements extending forward from the reflecting plate. The passive antenna includes an array of metal tuning elements that tune the array of radiating elements, where the array of metal tuning elements us positioned in front of the array of radiating elements of the active antenna, and where a longitudinal axis of at least some of the metal tuning elements extend at an angle between 70° and 110° with respect to a plane defined by the reflecting plate.

Abstract: Base station antennas, and components for base station antennas, such as reflectors, feeder components, frames, and column components. A base station antenna may include a reflector; a first radiator located at the front side of the reflector; mutually parallel first and second ground plates extending backward from the reflector and basically perpendicular to the reflector; and a first conductor strip extending between the first and second ground plates and configured to feed power to the first radiator. The first conductor strip and the first and second ground plates may be configured as a first stripline transmission line. The reflector and the first and second ground plates may be configured as one piece so that the reflector is grounded via the first and second ground plates without soldering.

Abstract: A feed network includes an adjustable electromechanical phase shifter that comprises a main printed circuit board and a phase shifting unit. The adjustable electromechanical phase shifter is configured to shift the phase of an RF signal that is input to the feed network and provide the phase shifted RF signal to at least one radiating element that is positioned on a first side of a reflector of an antenna, where the phase shifting unit is formed on the surface of a first side of the main printed circuit board, and the first side of the main printed circuit board is a side that is closer to the at least one radiating element, and the main printed circuit board is positioned on the first side of the reflector.

Abstract: Base station antennas are provided herein. A base station antenna includes a plurality of vertical columns of low-band radiating elements configured to transmit RF signals in a first frequency band. The base station antenna also includes a plurality of vertical columns of high-band radiating elements configured to transmit RF signals in a second frequency band that is higher than the first frequency band. The vertical columns of high-band radiating elements extend in parallel with the vertical columns of low-band radiating elements in a vertical direction.

Abstract: A multi-band base station antenna includes a linear array having a plurality of radiating elements arranged in a vertical direction. The radiating elements comprise first and second sets of radiating elements that each include one or more radiating elements. The first set of radiating elements operates in both first and second frequency bands, while the second set of radiating elements operates in the first frequency band but not in the second frequency band.

Abstract: The present application relates to an antenna assembly for a base station antenna, a base station antenna arrangement and a base station antenna. The antenna assembly has a reflector, which has a longitudinal extent, a front side and a rear side opposite the front side, where the front side is configured for radiating elements to be arranged thereon, wherein, the reflector has a first longitudinal section residing in a first plane and a second longitudinal section residing in a second plane that is adjacent to the first longitudinal section, where the first plane is rearward of the second plane. The properties of the base station antenna arrangement and the base station antenna may be improved through the antenna assembly.

Abstract: A phase shifter includes a printed circuit board and a trace located on the printed circuit board that is configured to transmit signals. The printed circuit board includes a first part covered by the trace and a second part not covered by the trace, where the second part includes at least one hollowed out area near the trace.

Abstract: A twin beam base station antenna includes a first array that has a plurality of columns of first frequency band radiating elements, the first array configured to form a first antenna beam that provides coverage throughout a first sub-sector of a three-sector base station. The radiating elements in a first of the columns in the first array have a first azimuth boresight pointing direction and the radiating elements in a second of the columns in the first array have a second azimuth boresight pointing direction that is offset from the first azimuth boresight pointing direction by at least 10°. The radiating elements in the second of the columns in the first array are electrically steered.

Abstract: The present disclosure relates to a printed circuit board assembly, which includes: a first printed circuit board, printed with a first transmission trace; a second printed circuit board, printed with a second transmission trace; a substrate, in which, the provides a through aperture for a radio frequency connector; and a radio frequency connector, which includes an inner contact portion, an housing and an insulating part provided between the inner contact portion and housing, where the radio frequency connector is configured to be received in and pass through the through aperture, such that a first end of the inner contact portion of the radio frequency connector is electrically connected to the first transmission trace and a second end thereof is electrically connected to the second transmission trace, so that a first end of the housing of the radio frequency connector is electrically connected to a ground layer of the first printed circuit board and a second end thereof is electrically connected to the gro

Abstract: Printed circuit boards for a base station antenna include a substrate layer, and a first conductive trace and a second conductive trace which are printed on the substrate layer and cross each other. The first conductive trace has two trace sections separated by the second conductive trace. Adjacent ends of the two trace sections separated by the second conductive trace are connected electrically by a jumper. The jumper has an electrical conductor, is isolated electrically from the second conductive trace and is fixed on the printed circuit board. The electrical conductor and the two trace sections are connected electrically at adjacent ends. The printed circuit board allows flexible wiring of the conductive traces on the printed circuit board.

Abstract: An assembly for a base station antenna includes a calibration device and at least one phase shifter mounted on the calibration device. The at least one phase shifter is electrically connected to the calibration device without a cable. The phase shifter may be mounted on the calibration device at an angle (e.g., perpendicular to the calibration device).