Patent classifications
H01Q1/246
Dual polarized antenna and dual polarized antenna assembly comprising same
A dual-polarized antenna and a dual-polarized antenna assembly including the same are provided. A dual-polarized antenna includes a base board, feeding unit supported on the base board, and radiation plate supported on the feeding unit. The feeding unit includes a first and a second feeding boards arranged to cross each other on the base board. The first feeding board includes a first feed line configured to supply a first reference-phase signal to a first point on the radiation plate and supply a first antiphase signal having an antiphase relative to the first reference-phase signal to a second point on the radiation plate. The second feeding board includes a second feed line configured to supply a second reference-phase signal to a third point on the radiation plate and supply a second antiphase signal having an antiphase relative to the second reference-phase signal to a fourth point on the radiation plate.
Convertible strand and pole small cell mounts and assemblies
The present disclosure describes strand mounts for small cell radios. A strand mount may include a top plate, a bottom plate, and opposing side plates that form a housing having an interior cavity dimensioned to fit around one or more small cell radios, a plurality of mounting members, each mounting member coupled to the top and bottom plates within the interior cavity and configured such that a small cell radio can be mounted thereto, and one or more mounting brackets. The strand mount has the dual-capability of being mounted either horizontally on a cable strand or vertically on a pole. Alternative strand mounts and strand mount assemblies are also provided.
Dual-beam antenna array
In order to reduce large sidelobes that may result from using a base station antenna with increased electronic downtilt, base station antennas according to the present disclosure may have a plurality of modules in which the columns of radiating elements of at least one of the modules are staggered or offset with respect to each other. For example, a multi-beam cellular antenna may include an antenna array having a plurality of modules, each module comprising at least three columns of radiating elements each having first polarization radiators, wherein the columns of radiating elements of at least one of the modules are staggered with respect to each other; and an antenna feed network configured to couple at least a first input signal and a second input signal to each first polarization radiator of each of the radiating elements included in a first of the plurality of modules.
Adjustable reflector antennas
A base station antenna includes first and second reflectors that are movable relative to each other, and each of the first and second reflectors includes a plurality of radiating elements on a main reflector surface thereof. A third reflector is movably coupled to the first and second reflectors, and movement of the third reflector causes the first and second reflectors to move relative to each other. A drive mechanism is utilized to move the third reflector and includes a drive shaft, an actuator configured to rotate the drive shaft, and a threaded shaft coupled to the drive shaft and configured to rotate in response to rotation of the drive shaft. Rotational movement of the threaded shaft causes linear movement of the third reflector. A control unit, such as a remote electrical tilt (RET) controller controls the actuator to rotate the driveshaft.
Base station antennas having radomes that reduce coupling between columns of radiating elements of a multi-column array
A base station antenna includes an internal radome and a multi-column antenna array antenna. The internal radome can be configured with a plurality of columns, each having an outwardly projecting peak segment and each neighboring column of the internal radome can be separated by a valley. Each outwardly projecting peak segment(s) is oriented to project toward a front of the base station antenna and is positioned medially aligned over a respective column of the multi-column antenna array to thereby reduce mutual coupling of respective elements and/or columns of elements and/or provide a common near field environment for each element and/or each column.
SIGNAL CONTINUOUS COVERAGE METHOD, DEVICE AND APPARATUS FOR TARGET AREA, AND ANTENNA SYSTEM
Disclosed in the present application are a signal continuous coverage method, device and apparatus for a target area, and an antenna system. The signal continuous coverage method for a target area, which is used for an aircraft bearing a communication base station, comprises: acquiring the flight height, the farthest distance of a flight trajectory, the roll angle and a preset center position of a target area of the aircraft; acquiring a vertical half-power angle of an airborne antenna of the communication base station and a farthest signal coverage point position relative to the preset center position; on the basis of the flight height, the farthest distance of the flight trajectory, the roll angle, the preset center position, the vertical half-power angle and the farthest signal coverage point position, determining a target downward inclination angle of the airborne antenna; and adjusting a current downward inclination angle of the airborne antenna to the target downward inclination angle so as to enable a signal continuous coverage area to comprise the target area.
ANTENNA DEVICE INCLUDING RADOME AND BASE STATION INCLUDING ANTENNA DEVICE
The present disclosure relates to a communication method and system for converging a 5.sup.th-Generation (5G) communication system for supporting higher data rates beyond a 4.sup.th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment o, an antenna device in a wireless communication system includes: an antenna module; and a radome covering at least a part of the antenna module, wherein the antenna module includes a first radiator disposed on one surface of the radome and at least one second radiator spaced apart from the first radiator by a specified distance on the one surface to form a loop of the first radiator, wherein the at least one second radiator includes a plurality of gaps opening each of the loops.
Shared-Aperture Dual-Band Dual-Polarized Antenna Array and Communication Equipment
The invention discloses shared-aperture dual-band dual-polarized antenna array and communication equipment. The antenna array comprises a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a fourth dielectric substrate, and a fifth dielectric substrate. The first dielectric substrate, the second dielectric substrate, and the third dielectric substrate constitute a dielectric substrate group. The dielectric substrate group is provided with a low-frequency antenna element and four high-frequency antenna elements. The low-frequency antenna element is loaded with a filtering structure. The low-frequency antenna element and the high-frequency antenna element are fed by coaxial lines. The fourth dielectric substrate and the fifth dielectric substrate form a dual-function metasurface. When the dual-function metasurface is used as an artificial magnetic conductor reflector, the radiation of the low-frequency antenna element is enhanced in a low profile, and when used as a frequency selective surface, the electromagnetic scattering of the low-frequency antenna element in the high-frequency band is suppressed. Compared with the existing solutions, the present invention is more compact, and maintains high cross-band isolation and stable radiation patterns in dual bands.
FEED NETWORK AND BASE STATION ANTENNA
Disclosed is a feed network, which includes a printed circuit board, two microstrip power dividers and two microstrip combiners, and the two microstrip power dividers and two microstrip combiners arranged on the printed circuit board. A microstrip structure of each microstrip power divider is configured to realize impedance matching. Input ends of the two microstrip power divider are configured as two input ends of the feed network, two input ends of each microstrip combiner are respectively connected to one output end of each microstrip power divider, and output ends of the two microstrip combiners are configured as two output ends of the feed network, so that a multiple-input multiple-output feed network is realized. Therefore, when the feed network is applied to a base station antenna, all the radiation units are arranged in a linear matrix to achieve the effect of miniaturization of the base station antenna.
DEVICE FOR MOUNTING CROSS BEAM IN BASE STATION ANTENNA
A device for mounting a cross beam in a base station antenna is provided. The device comprises a first knob formed on a first wall of the device, the first knob comprising a first shaft portion and a first head portion. The device further comprises a second knob formed on a second wall of the device, the second wall is arranged adjacent to the first wall. the second knob comprising a second shaft portion and a second head portion. The first shaft portion of the first knob is adapted to be received in a keyhole defined in the cross beam of base station antenna. The second shaft portion of the second knob in adapted to be received in a first slot defined in a reflector of base station antenna. The device eliminates requirement of hardware elements such as bolts, washers etc to mount cross beam in base station antenna.