Abstract: The present disclosure relates to a coupler and a base station antenna.

Abstract: The present disclosure relates to an antenna device comprising: a first antenna comprising a first reflecting member configured to reflect at least a portion of a signal radiated by the antenna device; a second antenna comprising a second reflecting member configured to reflect at least a portion of the signal radiated by the antenna device, there is a spacing between the first reflecting member and the second reflecting member; and a coupling capacitor comprising a first polar plate and a second polar plate, the first polar plate is disposed on a side, close to the spacing, of a first reflecting surface of the first reflecting member, and the second polar plate is disposed on a side, close to the spacing, of a second reflecting surface of the second reflecting member.

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: A base station antenna comprises a reflector, a plurality of first radiating elements arranged in a first column that extends in a vertical direction, a plurality of second radiating element arranged in a second column that extends in the vertical direction, and a plurality of parasitic elements, where the parasitic elements are arranged around the first radiating elements and/or second radiating elements. Each parasitic element is configured as a rod-shaped metal part, where a longitudinal axis of the rod-shaped metal part extends at an angle of between 70° to 110° with respect to a plane defined by the reflector, and the parasitic elements are positioned in front of the reflector in and are electrically floating with respect to the reflector.

Abstract: 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.

Abstract: A connection device comprises a first interface assembly that is removably connected to a first pre-determined number of first ports of a first radiating element array in an antenna assembly of the base station antenna, a second interface assembly that is connected to a second pre-determined number of second ports of a remote radio head of the base station antenna, and a connection circuit, the connection circuit being connected between the first interface assembly and the second interface assembly so that the first radiating element array and the remote radio head are electrically connected.

Abstract: A multi-antenna mounting device includes: a mounting member to which two or more antennas are fixable; and a tilt angle adjusting mechanism including an upper adjusting component and a lower adjusting component spaced apart along a length direction of the mounting member. The upper adjusting component includes a plurality of tilt angle adjusting holes arranged in a row, one end of the upper adjusting component is connectable to the mounting member, and the other end is connectable to a user's support pole with a fastening element extending through one of the tilt angle adjusting holes. When the fastening element extends through different tilt angle adjusting holes, the multi-antenna assembly has different mechanical tilt angles relative to the support pole. The lower adjusting component includes a first section and a second section. The second section has a predetermined length and the first section is pivotable relative to the second section.

Abstract: The present disclosure relates to a coupler and a base station antenna.

Abstract: A radiator for an antenna comprises a radiating element having a radiating arm and a feed portion and a first dielectric structure configured to cover at least 50% of the radiating element, the dielectric structure having a dielectric constant of at least 3.0. The dielectric structure reduces a first electrical length of the radiating arm by at least 20% and also reduces a second electrical length of the feed portion by at least 20%.

Abstract: The present disclosure relates to an antenna device comprising: a first antenna comprising a first reflecting member configured to reflect at least a portion of a signal radiated by the antenna device; a second antenna comprising a second reflecting member configured to reflect at least a portion of the signal radiated by the antenna device, there is a spacing between the first reflecting member and the second reflecting member; and a coupling capacitor comprising a first polar plate and a second polar plate, the first polar plate is disposed on a side, close to the spacing, of a first reflecting surface of the first reflecting member, and the second polar plate is disposed on a side, close to the spacing, of a second reflecting surface of the second reflecting member.

Abstract: A calibration circuit board for an antenna. The calibration circuit board may include: a first metal layer configured to be grounded; a first substrate over the first metal layer; a second substrate over the first substrate; and a plurality of couplers. Each coupler may include: a transmission line provided with an input port and an output port at both ends thereof, respectively; and a coupling line coupled with the transmission line and including two first portions respectively located at both sides of the transmission line, and a second portion connected between the two first portions. The coupling lines may be connected in series to provide a first calibration port and a second calibration port. One of the transmission lines and the coupling lines may be between the first substrate and the second substrate, and the other of the transmission lines and the coupling lines may be over the second substrate.

Abstract: A low frequency and direct current (DC) signal blocking device includes a dielectric substrate layer; a low frequency and DC signal blocking transmission line on a first surface of the substrate layer, where the low frequency and DC signal blocking transmission line has an input end and an output end; a metal layer on a second surface of the substrate layer, where there is at least one gap on the metal layer such that the metal layer is separated into at least a first sub-region and a second sub-region, where the gap is configured to block at least one of a low frequency signal and a DC signal; the substrate layer disposed between the low frequency and DC signal blocking transmission line and the metal layer; and a metal plate, wherein a dielectric layer is disposed between the metal plate and the metal layer.

Abstract: Printed circuit boards suitable for base station antennas have a first through hole for receiving a conductor of an electrical connector and a first conductive trace for electrical connection with the conductor to transmit signals. The first conductive trace is provided on a first side of the printed circuit board and the electrical connector is located on the same side of the first conductive trace when mounted on the printed circuit board. The conductor is electrically connected to the first conductive trace via a bypass provided on a second side of the printed circuit board, opposite to the first side. The printed circuit board can be provided for a base station antenna that includes a calibration board including the printed circuit board. The printed circuit board can facilitate the good positioning of the electrical connector thereon, the good electrical performances, or can avoid a possible short circuit.

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: A multi-antenna mounting device includes: a mounting member to which two or more antennas are fixable; and a tilt angle adjusting mechanism including an upper adjusting component and a lower adjusting component spaced apart along a length direction of the mounting member. The upper adjusting component includes a plurality of tilt angle adjusting holes arranged in a row, one end of the upper adjusting component is connectable to the mounting member, and the other end is connectable to a user's support pole with a fastening element extending through one of the tilt angle adjusting holes. When the fastening element extends through different tilt angle adjusting holes, the multi-antenna assembly has different mechanical tilt angles relative to the support pole. The lower adjusting component includes a first section and a second section. The second section has a predetermined length and the first section is pivotable relative to the second section.

Abstract: A radio-frequency signal grounding device for an antenna comprises: a substrate layer; a grounding transmission line on a first side of the substrate layer; a metal layer on a second side of the substrate layer, the metal layer including at least one gap such that the metal layer is divided into at least a first sub-region and a second sub-region, where the gap is configured to block at least one of a low frequency signal and a direct current signal; a metal plate; and a dielectric layer that is disposed between the metal plate and the metal layer. The radio-frequency signal grounding device can achieve good radio-frequency signal grounding and low frequency/direct current signal blocking within a limited space via a multi-coupling design.

Abstract: A low frequency and direct current (DC) signal blocking device includes a dielectric substrate layer; a low frequency and DC signal blocking transmission line on a first surface of the substrate layer, where the low frequency and DC signal blocking transmission line has an input end and an output end; a metal layer on a second surface of the substrate layer, where there is at least one gap on the metal layer such that the metal layer is separated into at least a first sub-region and a second sub-region, where the gap is configured to block at least one of a low frequency signal and a DC signal; the substrate layer disposed between the low frequency and DC signal blocking transmission line and the metal layer; and a metal plate, wherein a dielectric layer is disposed between the metal plate and the metal layer.

Abstract: A radio-frequency signal grounding device for an antenna comprises: a substrate layer; a grounding transmission line on a first side of the substrate layer; a metal layer on a second side of the substrate layer, the metal layer including at least one gap such that the metal layer is divided into at least a first sub-region and a second sub-region, where the gap is configured to block at least one of a low frequency signal and a direct current signal; a metal plate; and a dielectric layer that is disposed between the metal plate and the metal layer. The radio-frequency signal grounding device can achieve good radio-frequency signal grounding and low frequency/direct current signal blocking within a limited space via a multi-coupling design.