Abstract: Base station antennas include at least one passive internal grid reflector with an array of low band radiating elements projecting forward of a front one of the at least one grid reflector. The grid reflector is provide as a light weight composite FSS. A mMIMO antenna array resides behind a back one of the at least one grid reflector and is configured to transmit signal through the grid reflector and out a front radome of the base station antenna.

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: 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: 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: Methods of identifying electrical connections between primary ports of a radio frequency circuit and primary ports of a radio are provided. A method of identifying the electrical connections includes receiving a radio frequency signal via each of the primary ports of the radio frequency circuit. Moreover, the method includes providing, by the radio frequency circuit, different responses to the radio frequency signal that is received via the primary ports, respectively, of the radio frequency circuit. In some embodiments, the different responses are different frequency responses or different delay responses. Related radio frequency circuits are also provided.

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: 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: Base station antennas are provided herein. A base station antenna includes consecutive vertical columns of radiating elements. The base station antenna includes a phase shifter that is electrically connected to one of the vertical columns of radiating elements. Moreover, the base station antenna includes a phase-error compensation component that is configured to provide phase-error compensation at an input to the phase shifter based on movement of the phase-error compensation component. Related methods of operation are also provided.

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 base station antenna (BSA) system includes a radio-frequency (RF) generator having a plurality of power-amplifying circuits therein, and an antenna, which includes a plurality of columns of radiating elements. These radiating elements are electrically coupled by RF signal routing to a corresponding plurality of ports of the antenna that receive a corresponding plurality of RF input signals. These RF input signals have respective amplitudes and phases that support the concurrent generation of three spaced-apart RF beams by the antenna and are derived from respective RF signals generated by the plurality of power-amplifying circuits. The RF input signals including: (i) a first RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting, and (ii) a second RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting.

Abstract: A cable management system is provided for cellular communications system having a remote radio unit and an antenna where each of the antenna and the remote radio unit include a number of RF ports. A jumper cable assembly connects the RF ports on the antenna to the RF ports on the remote radio unit. The jumper cable assembly includes jumper cables configured to connect the RF ports of the antenna to the RF ports of the remote radio unit. A bracket includes channels where one of the channels receives one of the jumper cables. The position of the channels in the bracket corresponds to the position of the RF ports on the antenna and/or the remote radio unit.

Abstract: Base station antennas are provided herein. A base station antenna includes consecutive vertical columns of radiating elements. The base station antenna includes a phase shifter that is electrically connected to one of the vertical columns of radiating elements. Moreover, the base station antenna includes a phase-error compensation component that is configured to provide phase-error compensation at an input to the phase shifter based on movement of the phase-error compensation component. Related methods of operation are also provided.

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 base station antenna (BSA) system includes a radio-frequency (RF) generator having a plurality of power-amplifying circuits therein, and an antenna, which includes a plurality of columns of radiating elements. These radiating elements are electrically coupled by RF signal routing to a corresponding plurality of ports of the antenna that receive a corresponding plurality of RF input signals. These RF input signals have respective amplitudes and phases that support the concurrent generation of three spaced-apart RF beams by the antenna and are derived from respective RF signals generated by the plurality of power-amplifying circuits. The RF input signals including: (i) a first RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting, and (ii) a second RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting.

Abstract: Method of manufacturing a transmission line including the steps:—forming an element with at least one longitudinal groove on a surface of the element, the longitudinal groove being defined by two opposite wall portions in the element and having a longitudinal opening adjacent to the surface, and—locating a conductor line in the at least one longitudinal groove. The method is distinguished by the steps:—forming the conductor line from a metal strip upon punching the same from a sheet of metal,—attaching the metal strip to at least one holding device, and—mounting the at least one holding device, with the attached metal strip, on the element, so as to locate the metal strip in the longitudinal groove at a distance from the opposite wall portions of the element. The invention also concerns a transmission line manufactured in accordance with the method.

Abstract: Disclosed herein are exemplary embodiments of interlocking spacers that may be used for suspending transmission lines of a feed network between electrically-conducting ground planes of an antenna assembly. Also disclosed are exemplary embodiments of antenna assemblies including such interlocking spacers. An exemplary embodiment of an antenna assembly generally includes a feed network including one or more transmission lines, a first ground plane, and a second ground plane spaced apart from the first ground plane with a space therebetween. At least one pair of spacers is configured to be interlocked to one another when positioned on opposite sides of a substrate including the transmission lines of the feed network. The spacers are operable for suspending the transmission lines in the space between the ground planes.

Abstract: Various antenna assemblies are disclosed. In one example, an antenna assembly includes a reflector including a first ground plane, a second ground plane below and spaced apart from the reflector, an antenna adjacent a surface of the reflector opposite the second ground plane, and a grounding post galvanically connecting the first ground plane and the second ground plane.

Abstract: Disclosed herein are exemplary embodiments of interlocking spacers that may be used for suspending transmission lines of a feed network between electrically-conducting ground planes of an antenna assembly. Also disclosed are exemplary embodiments of antenna assemblies including such interlocking spacers. An exemplary embodiment of an antenna assembly generally includes a feed network including one or more transmission lines, a first ground plane, and a second ground plane spaced apart from the first ground plane with a space therebetween. At least one pair of spacers is configured to be interlocked to one another when positioned on opposite sides of a substrate including the transmission lines of the feed network. The spacers are operable for suspending the transmission lines in the space between the ground planes.

Abstract: The invention relates to a transmission line (1) comprising: a groove (2) defined by two parallel conducting walls (3) and a conducting floor (4) all electrically connected to each other, together forming a peripheral conductor of the transmission line, and a center conductor (5), at least partly submersed in the groove (2), the center conductor (5) being isolated from the conducting walls (3) and the conducting floor (4) of the groove (2). The transmission line is distinguished in that the center conductor (5) comprises at least one conductor formed on a side of a printed circuit board (6). The invention also relates to a method for the production of a transmission line.

Abstract: An exemplary antenna array includes at least two or more radiating elements coupled to a ground plane. The two or more radiating elements include a first radiating element separated from a second radiating element by at least one wall that extends away from the ground plane between the first and second radiating elements. The wall may be operable for reducing mutual coupling between the first and second radiating element.