77 results about "Base station antennas" patented technology

The present application relates to a kind of radiation elements, the radiation element includes: radiator, feed rod and parasitic element, the radiator is fed by the feed rod, wherein, the parasitic element includes conductive structure, the conductive structure includes serpentine conductive path, and coupling capacitance is formed between conductive structure and radiator, and wherein, the center frequency of the operating frequency band of the radiator is greater than the center frequency of the first operating frequency band of parasitic element.Radiation element according to some embodiments of the present application can at least reduce the coupling interference between each array, improve isolation performance.In addition, the radiation element according to some embodiments of the present application can also be used to reduce the size of radiation element itself, so that radiation element is more compact.In addition, the present application also relates to a kind of base station antennas.

An antenna array module is provided, in which two or more antenna units are mounted on one side, which is provided with two power divider circuits from a power supply circuit board, and a filter is mounted on the other side, which is provided with two matching circuits from the same board. Each of the power divider circuits is provided with one input terminal and several output terminals. The output terminals of one power divider circuit provide -45° polarized power to the antenna units, respectively, and the output terminals of the other power divider circuit provide +45° polarized power to the antenna units, respectively.Each coupling circuit is provided with a radio frequency input terminal and an output terminal, with the output terminal of each coupling circuit connected to the input terminal of a power divider circuit, respectively. The filter is provided with at least two output terminals, each of the two filter output terminals being electrically connected to the radio frequency input terminals of the coupling circuits, respectively. A base station antenna is also provided. The present invention achieves integration and modularity, improving expandability through simple mounting and connection structures, which facilitates subsequent debugging and maintenance, thereby reducing manufacturing and operating costs.

Cellular base station antenna concealments, such as palm and tree concealments, utilize artificial branches with nonmetallic (e.g., polymeric) fasteners to avoid loose metal-to-metal connections to mitigate the generation of passive intermodulation (PIM) interference by the branches. Representative embodiments include “palm concealments” with low-PIM artificial palm fronds, and “tree concealments” with low-PIM artificial tree branches. That is, “low-PIM fronds” and “low-PIM tree branches” are two representative examples of “low-PIM branches” illustrating representative embodiments of the invention. The low-PIM palm frond includes a nonmetallic (e.g., polymeric) fasteners and sleeve positioned between a metal frond shaft and a metal frond receiver. The low-PIM tree branch includes nonmetallic (e.g., polymeric) fasteners as the only low-PIM isolators added to conventional tree branch assemblies to avoid PIM generation by the tree branch assembly.

A base station antenna sector includes: a first reflector comprising a first flat panel and a plurality of first radiating elements mounted thereon; a second reflector comprising a second flat panel and plurality of second radiating elements mounted thereon; a radome surrounding the first and second reflectors; wherein the second reflector is pivotally movable relative to the first reflector.

This invention relates to a base station antenna, comprising: a reflector; a first column of first radiating elements, including a plurality of first radiating elements arranged longitudinally; a second column of first radiating elements, including a plurality of first radiating elements arranged longitudinally; and at least one first decoupling metamaterial element located between the first and second columns, the first decoupling metamaterial element being mounted after the radiators of the first radiating elements and configured to at least partially reduce the coupling between the first and second columns, the main surface of the first decoupling metamaterial element being substantially parallel to the main surface of the reflector, wherein the first radiating elements are configured to operate within a first frequency band. Furthermore, this invention also relates to a multi-band antenna.

The application provides a radiation device and a base station antenna. The radiation device comprises a radiator, a feeding structure, a supporting structure and a decoupling structure. The radiator comprises a first radiation structure of a first polarization direction and a second radiation structure of a second polarization direction. The feeding structure comprises a first substrate, a first feeding unit and a second feeding unit arranged on the first substrate. The supporting structure is arranged crosswise to the first substrate. The supporting structure and the feeding structure jointly support the first radiation structure and the second radiation structure. The decoupling structure is arranged on the supporting structure and located between the first feeding unit and the second feeding unit. The decoupling structure is used for inhibiting electromagnetic coupling of current between the first feeding unit and the second feeding unit. The radiation device provided by the application can inhibit electromagnetic coupling between the first feeding unit and the second feeding unit by arranging the decoupling structure on the supporting structure.

The present disclosure refers to a radome assembly, wherein the radome assembly includes a radome and parasitic components for a radiating component, characterized in that the radome itself has a hollow structure, wherein at least one receiving compartment is formed through the hollow structure, wherein the parasitic components are arranged in the receiving compartment. In addition, the present disclosure also refers to a base station antenna including the radome assembly. (Fig. 2a)

The invention relates to a radiator assembly for a base station antenna having a longitudinal central axis and two dipoles arranged crosswise around the longitudinal central axis, each dipole having two dipole arms, each dipole arm being provided with a hook-shaped feed made of a metal sheet having a free end, the hook-shaped feed being capacitively coupled with the associated dipole arm. This radiator assembly is compact, easy to manufacture and to assemble.

The application relates to a low-altitude signal coverage prediction method and system based on spherical non-uniform sampling, wherein the method comprises the following steps: determining the region complexity of different regions according to a digital surface model graph, constructing a direction sampling weight function according to the region complexity and an antenna directional diagram gain; performing spherical non-uniform sampling on a unit sphere based on the direction sampling weight function to generate a ray direction set matched with the sampling weight; calculating the spherical solid angle corresponding to each sampling direction based on the ray direction set, calculating the transmission power corresponding to each ray according to the spherical solid angle and a base station antenna directional diagram; taking the ray direction set and the transmission power as inputs to perform ray tracking propagation calculation to obtain the received signal power of each sampling point at low altitude, and the low-altitude signal coverage prediction is completed. The problems of how to improve the efficiency and accuracy of low-altitude signal coverage prediction in the related art are solved.

This utility model discloses a base station antenna pole bracket, relating to the field of base station antenna technology. It includes a pole and a base station antenna. The pole is equipped with two sets of fixing components, and the base station antenna is rotatably connected to the two sets of fixing components. Each fixing component includes a first clamping plate and a second clamping plate. The pole is clamped between the first and second clamping plates. Two symmetrically distributed screws are movably connected between the first and second clamping plates, and nuts are threaded onto the outer rings of the screw ends. During use, this utility model can shield the tops of the first and second clamping plates from rainwater, preventing the screws and nuts from being corroded by rainwater. This solves the problem in existing base station antenna pole brackets where the screws and nuts of the first and second clamping plates are easily corroded by rainwater, leading to rust and making them difficult to remove when disassembling the base station antenna, thus reducing the practicality of the base station antenna pole bracket.

Antennas having single or parallel printed circuit board-based feed stalks and base station antennas having such radiating elements. The single feed stalk can have two feed lines configured to feed radio frequency signals to respective dipole radiators. Each feed line can have twin ground lines on one side (primary surface) of the single feed stalk printed circuit board and a cooperating feed trace on an opposing side (opposing primary surface) that provide RF transmissions from a feed network to a dipole radiator. The twin ground lines for the first feed line can be on a different primary surface than the twin ground lines for the second feed line and one ground line of each twin line set can cross-over each other at a forward end portion of the feed stalk. The parallel feed stalk printed circuit board can provide two feed lines for a respective dual polarized radiating element.

The application provides a phase shifter phase adjusting device and a base station antenna. The phase shifter phase adjusting device comprises a first screw rod, a first nut seat, a first bearing, a second screw rod, a first sliding sleeve and a second sliding sleeve. The first end of the first screw rod is drivingly connected to a driving unit. The first nut seat is screwed on the outside of the first screw rod. The inner ring of the first bearing is mounted on the first nut seat. The outer ring of the first bearing is mounted on the second screw rod. The second screw rod is slidably sleeved on the outside of the first screw rod. The first screw rod has a first guide groove on the outside. The second screw rod has a first guide rib on the inside. The first sliding sleeve is sleeved on the outside of the first screw rod. The second sliding sleeve is sleeved on the outside of the second screw rod. The second sliding sleeve is slidably sleeved in the first sliding sleeve. The first nut seat is fixedly connected to the second sliding sleeve. The first sliding sleeve has a first guide part on the inside. The second sliding sleeve has a second guide part on the outside. The phase shifter phase adjusting device and the base station antenna are compact in structure and small in space occupation.

Provided is a system that makes it possible to, when forming a directional null toward an antenna or the terrestrial cell of a terrestrial cell base station from a relay communication station which is up in the sky and which forms a wide-area cell, improve frequency utilization efficiency without impairing the coverage area of the wide-area cell. A wide-area cell base station and a terrestrial cell base station perform service link communication in the same frequency band on mutually time-synchronized radio frames. The wide-area cell base station acquires information regarding the terrestrial cell base station that forms a terrestrial cell overlapping a wide-area cell, determines, on the basis of the information regarding the terrestrial cell base station, null scheduling regarding allocation of directional nulls that are formed toward an antenna or the terrestrial cell of the terrestrial cell base station on the time axis and on the frequency axis, and controls the formation of the directional nulls on the basis of information regarding the null scheduling.

Multibeam base station antennas include first through M first polarization RF ports, an antenna array that includes N columns of radiating elements, and a first polarization beamforming network having M rows and N columns of directional couplers, where each row has a different number of directional couplers, where M and N are natural numbers, wherein the last directional coupler in a top row has a port that is coupled to ground via a matched termination.

The application provides a base station antenna and a base station. The base station antenna comprises a first antenna array, a frequency selective surface, a second antenna array and an antenna conductive component; the frequency selective surface is located between a first radiator of a radiation unit of the first antenna array and the second antenna array, and is used for reflecting a radiation signal of the first antenna array and transmitting a radiation signal of the second antenna array; the antenna conductive component is located on the same side of an array plane of the second antenna array as the first antenna array; the antenna conductive component comprises a conductive base body, a first structural unit and a second structural unit; the first structural unit and the second structural unit both surround the conductive base body, and are arranged in a spaced and adjacent mode and form a capacitor. The base station comprises a guyed mast and the base station antenna, and the base station antenna is fixed to the guyed mast. The application can improve the electromagnetic shadow problem caused by the shielding of the metal component.

Disclosed is a multi-band base station antenna using a selective shielding surface. The disclosed antenna comprises: a selective shielding surface which passes signals in a preset frequency band; a plurality of low-band radiators located on the selective shielding surface; a reflection plate disposed below the selective shielding surface and spaced apart from the selective shielding surface; and a plurality of high-band radiators coupled onto the reflection plate, wherein the selective shielding surface has a pass band configured to pass signals emitted from the high-band radiators and block signals emitted from the low-band radiators.

At a high level, the technology disclosed herein relates to base station antenna tilt adjustments based on using one or more auto-tilt optimization models. In embodiments, baseline tilt data and user equipment (UE) measurement data may be used for generating training data for the one or more auto-tilt optimization models. The baseline tilt data and UE measurement data may correspond to a plurality of sectors for a first base station, a plurality of sectors for a second base station, etc. The one or more auto-tilt optimization models may provide key performance indicator (KPI) predictions associated with base station antenna tilt adjustments, and the KPI predictions can be updated as feedback is received upon tilt adjustments made to one or more antennas.

A box dipole radiating element uses a compact quadrilateral arrangement of substantially coplanar radiating arms that supports tilted polarized radiation in response to differential mode currents generated along four sides of the quadrilateral arrangement and in response to common mode currents that can be generated in substantially the same plane as the differential mode currents. A feed signal routing network is provided that includes a feed signal routing substrate located on portions of the radiating arms, first through fourth signal traces located on a front side of the substrate, and first through fourth ground plane segments located on a back side of the substrate. The first through fourth ground plane segments are capacitively coupled to the radiating arms. Each of the signal traces receives a corresponding feed signal and spans a corresponding air gap between a pair of the radiating arms.

The embodiment of the present specification discloses an antenna parameter adjustment method and device, which can meet the experience perception demand of users for various service scenarios to the greatest extent without increasing resources. The method comprises the following steps: obtaining user network related data, cell engineering parameters and corresponding service scenarios in a grid of a region to be analyzed; determining steady-state users in the grid and network performance index data of the steady-state users in the grid based on the user network related data in the grid; determining a problem grid of the region to be analyzed based on the network performance index data of the steady-state users in each grid of the region to be analyzed in the corresponding grid; and adjusting cell base station antenna parameters of the problem grid based on the cell engineering parameters and the corresponding service scenarios of the problem grid.

A feeding structure for a dual polarized radiator, a dual polarized radiator, particularly for a base station antenna and to a base station. The feeding structure comprises a first pair of balanced conductor elements being connected to a first radiator of a dual polarized radiator and a second pair of balanced conductor elements being connected to a second radiator of the dual polarized radiator.

The application provides a base station antenna and a cellular network base station with the same, the base station antenna comprising: an antenna body comprising a radome and an antenna module arranged in the radome; and an NFC insert embedded on the radome, the NFC insert being used for storing parameter information of the antenna body. Through the technical scheme provided in the application, the problem that the base station antenna in the related art is not easy to be managed and monitored in performance can be solved.

The disclosure discloses a feed network structure, which comprises: a first cavity; a first phase-shifting medium and a first transmission structure, the first phase-shifting medium is arranged on both sides of the first transmission structure, and the first phase-shifting medium and the first transmission structure are accommodated in the first cavity; a second cavity; a second phase-shifting medium and a second transmission structure, the second phase-shifting medium is arranged on both sides of the second transmission structure, and the second phase-shifting medium and the second transmission structure are accommodated in the second cavity, and an output end of the first transmission structure is electrically connected with an input end of the second transmission structure. In the feed network structure disclosed in the disclosure, at least two phase-shifter cavities are cascaded, wherein an output end of a former phase-shifter cavity is electrically connected with an input end of a latter phase-shifter cavity, thereby the size of each phase-shifter cavity can be reduced, the influence of high-order modes on the performance of the phase-shifter is reduced, and the sidelobe of an antenna comprising the feed network structure is also reduced.

This application relates to the field of communication equipment technology, and discloses an antenna support device, an antenna unit, and a communication base station. The antenna support device includes: a pole; multiple first support beams connected end-to-end to form a frame assembly, defining an installation space within the frame assembly; and a second support beam installed within the installation space, with the pole installed on the top wall of the second support beam and located inside the frame assembly. Each first support beam includes multiple first support parts extending circumferentially along the pole, with multiple first support parts of the same first support beam arranged sequentially, and any two adjacent first support parts connected and cooperating with each other. Therefore, by dividing each first support beam of the frame assembly into multiple first support parts, each first support part is lightweight and easy to transport. Compared with the prior art, the antenna support device is easier to transport, thereby reducing the construction difficulty of the communication base station.

The application provides a miniaturized multi-port high-suppression base station antenna, and relates to the technical field of base station antennas.The miniaturized multi-port high-suppression base station antenna comprises a metal reflecting plate and three low-frequency radiation arrays arranged on the metal reflecting plate; each low-frequency radiation array comprises a plurality of large-aperture radiation units and a plurality of small-aperture radiation units, and each low-frequency radiation array is a non-linear array. The miniaturized multi-port high-suppression base station antenna is characterized in that: the large-aperture radiation units and the small-aperture radiation units are arranged in an array, and the radiation units are reasonably arranged on the metal reflecting plate 1 in combination with a non-linear array distribution mode; the horizontal beam width is reduced on the basis of miniaturized design, the front-to-back ratio is improved, the suppression between arrays is improved, the intercell interference is reduced, and the radiation efficiency is improved; thus, the product is smaller and lighter under the premise of ensuring product quality, and the miniaturization purpose is achieved.

Base station antennas include a first array having a plurality of first frequency band radiating elements and a second array having a plurality of second frequency band radiating elements, where the second frequency band being different than the first frequency band. A first of the first frequency band radiating elements includes a first feed stalk and a first of the second frequency band radiating elements includes a second feed stalk that extends through an aperture in the first feed stalk.

This disclosure relates to a base station antenna having a cableless phase shifter with an integrated feed handle. A base station antenna includes: a reflector; a first RF port; a first array of radiating elements extending in a longitudinal direction; and a first printed circuit board including a first dielectric substrate and a plurality of first metal traces on a first main surface of the first dielectric substrate, the first metal traces implementing a portion of the first phase shifter, the first printed circuit board including a first portion mounted behind the reflector and a plurality of second portions extending forward through one or more first openings in the reflector.

The utility model discloses a kind of communication base station antenna angle adjusting devices, belong to communication base station technical field.This kind of communication base station antenna angle adjusting device, including base, the top of base is equipped with first angle adjusting mechanism, the output end of first angle adjusting mechanism is equipped with stand, the outside of stand is equipped with connecting sleeve, one side of connecting sleeve is equipped with cross bar, one end of cross bar is equipped with second angle adjusting mechanism, the output end of second angle adjusting mechanism is equipped with connecting rod, one end of connecting rod is equipped with antenna mounting plate, first angle adjusting mechanism includes first machine case, the bottom of first machine case and the top of base are fixedly connected, the top of first machine case is equipped with first turntable, the top of first turntable and the bottom of stand are fixedly connected, the inside bottom of first machine case is rotatably connected with first rotating shaft, the utility model can effectively realize two-way angle adjusting function, improve angle adjusting range, with higher practical value.

A cellular base station comprises a base station antenna that includes a first set of RF ports that has a total of N first polarization RF ports, where N is an integer that is greater than 2, a first multi-column array of radiating elements that is configured to generate N first polarization antenna beams that include a first pair of outer antenna beams and a first inner antenna beam, and a first beamforming network that electrically connects the first set of RF ports to the first multi-column array of radiating elements. The base station further includes first and second radios that have respective ports that are coupled to first and second of the N first polarization RF ports, where the first radio has a first maximum output power level and the second radio has a higher second maximum output power level.

The present application relates to the technical field of antennas, and provides a multi-band integrated phase-shift feed network and a base station antenna; the multi-band integrated phase-shift feed network comprises a plurality of phase-shift assemblies, wherein each of the plurality of phase-shift assemblies comprises a phase-shift circuit board and a sliding sheet assembly rotatably connected to the phase-shift circuit board, and a phase-shift circuit is provided in each phase-shift circuit board; the plurality of phase-shift circuit boards is divided into a first phase-shift circuit board and a second phase-shift circuit board, wherein a combination circuit is provided in the first phase-shift circuit board.and the phase-shift output ports of the phase-shift circuit on the first phase-shift circuit board and the phase-shift circuit on the second phase-shift circuit board are connected, respectively, to the combination input ports of the combination circuit; by means of the integrated multi-band phase-shift feed network and the base station antenna provided by the present application, independent multi-frequency phase shifting and fusion output can be carried out, there is no need to arrange a combiner separately, facilitating the reduction of antenna space occupation, simplifying the arrangement and reducing wire soldering joints; the phase-shift feed network has good phase-shift stability and good consistency and is easy to assemble.

This application relates to the field of communication technology and discloses a method, measuring device, medium, and base station for measuring the azimuth angle of a base station antenna. The method includes: acquiring angular velocity data measured by an angular motion detection device stationary relative to the base station antenna, and determining a first positional relationship between the direction of the sensitive axis of the angular motion detection device and true north based on the angular velocity data; determining the azimuth angle of the base station antenna based on the first positional relationship and a second positional relationship, wherein the second positional relationship is the positional relationship between the direction of the sensitive axis of the angular motion detection device and the main lobe direction of the base station antenna. The method provided in this application can accurately measure the azimuth angle of a base station antenna, and the measurement accuracy will not be affected even if there are obstructions and / or electromagnetic radiation near the base station. Furthermore, since the angular motion detection device can be installed at various locations on the base station antenna, the flexibility of base station antenna design is improved, and the difficulty of base station antenna installation is reduced.