877 results about "Base station antennas" patented technology

Radiating elements comprise a first dipole radiator that includes a first dipole arm and a second dipole arm, a second dipole radiator that includes a third dipole arm and a fourth dipole arm and first through fourth electromagnetic bandgap structures that are coupled to distal end portions of the respective first through fourth dipole arms.

The method for detecting the radio frequency channel connection relation and channel calibration of the base station antenna comprises the steps that a sample from a calibration network is received, the sample is a coupling signal of a radio frequency channel in the base station antenna and a signal obtained after a phase identifier is added to the calibration network, the phase identifier is a phase value, and the phase value is a phase value; the antenna port marking module is used for marking an antenna port connected with a remote radio unit (RRU) port in a radio frequency channel; and obtaining the antenna port actually connected with the RRU port according to the phase identifier. According to the technical scheme provided by the embodiment of the invention, no device needs to be added, no product size needs to be increased, and the problem of high-cost detection of the connection relationship between the RRU port and the antenna port in the radio frequency channel is effectively solved.

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. 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.

The invention relates to the technical field of unmanned aerial vehicles, and particularly discloses an unmanned aerial vehicle integrating multiple operation functions, which comprises a bearing mechanism, the bearing mechanism comprises an unmanned aerial vehicle main body and a mounting frame fixedly mounted on the lower surface of the unmanned aerial vehicle main body, a bottom frame is fixedly mounted on the lower surface of the mounting frame, and a fixed base is fixedly connected to the lower surface of the bottom frame; buffer guide rails are arranged on the two side faces of the fixed base, longitudinal sliding grooves and a positioning mechanism are formed in the buffer guide rails, the positioning mechanism comprises a plurality of transverse rods fixedly connected to the mounting frame, positioning suction cups are fixedly mounted on the transverse rods, and a connecting arm and a pump are fixedly mounted on the lower surface of the fixed base; according to the device, the states of base station antennas, equipment, cables and the like can be detected in real time through the image acquisition equipment, manual tower climbing is not needed, the base station equipment is placed on the bottom frame, and the adsorption force of the positioning suction cup can be improved in combination with the blowing cleaning equipment; therefore, the installation stability of multi-carried equipment can be improved while blowing cleaning operation can be guaranteed.

The invention provides an antenna device and a base station antenna system, the antenna device comprises a reflection plate, a radiation unit and a feed network, and the reflection plate is provided with a first opening. The radiation unit comprises a radiation body and a feed branch knot, and the radiation body is coupled with the feed branch knot. The radiating body is arranged on one side of the reflecting plate, and a gap is formed between the radiating body and the reflecting plate. And at least part of the feed branch is arranged in the first opening in a penetrating manner. The feed network is arranged on the side, away from the radiation unit, of the reflecting plate, a gap is formed between the feed network and the reflecting plate, and the feed network is coupled with the feed branch knot. According to the antenna device, the radiating body located on one side of the reflecting plate penetrates through the first opening in the reflecting plate through the feed branch knot and then is in coupling connection with the feed network located on the other side of the reflecting plate, the structure of the antenna device is simplified, the number of parts is reduced, the weight is reduced, and overall assembly of the antenna device is facilitated.

The embodiment of the invention provides a phase shifter and a base station antenna. The phase shifter comprises a fixed frame, a phase shifting strip line and a sliding medium. The fixed frame comprises a guide rail. The phase shift strip line is fixed on the guide rail. The sliding medium is in sliding connection with the guide rail and is separated from the phase-shifting strip line through the guide rail. The guide rail can guide the movement of the sliding medium relative to the phase-shifting strip line, thereby facilitating the improvement of the smoothness of the movement of the sliding medium relative to the phase-shifting strip line. As the sliding medium is separated from the phase-shifting strip line through the guide rail, and the sliding medium is not contacted with the phase-shifting strip line, friction between the sliding medium and the phase-shifting strip line is avoided in the process that the sliding medium moves relative to the phase-shifting strip line, the resistance of the sliding medium in the process of moving relative to the phase-shifting strip line is reduced, and the service life of the phase-shifting strip line is prolonged. The smoothness of the sliding medium relative to the phase-shifting strip line movement is further improved, the pulling force for driving the sliding medium relative to the phase-shifting strip line movement is reduced, and the requirement for a driving piece for driving the sliding medium relative to the phase-shifting strip line movement is lowered.

The invention relates to a base station antenna mounting and adjusting device. The base station antenna installation adjusting device comprises a fixed installation assembly, a lifting mechanism, a deflection mechanism and an inclination angle mechanism. The lifting mechanism is arranged on the fixed mounting assembly and comprises a lifting mounting part and a lifting driving part, and the lifting driving part is used for driving the lifting mounting part to move in the lifting direction; the deflection mechanism is arranged on the lifting mounting part and comprises a deflection mounting part and a deflection driving part, and the deflection driving part is used for driving the deflection mounting part to rotate around a deflection axis; the inclination angle mechanism is arranged on the deflection mounting part, the inclination angle mechanism comprises an antenna mounting part and a pitching driving part, the antenna mounting part is used for rotatably mounting the base station antenna on the deflection mounting part, and the pitching driving part is used for driving the base station antenna to rotate. According to the base station antenna installation and adjustment device, automatic adjustment of the height, the azimuth angle and the inclination angle of the base station antenna is achieved, the installation and adjustment process is simple, the efficiency is high, and the operation safety risk is reduced.

The present application relates to the field of antenna technology, and in particular to a radiation unit and a base station antenna. The radiation unit includes a radiation component, a feed balun and a feed core, wherein the radiation component is supported on the feed balun and electrically connected to the feed balun, and the feed balun has a first feed hole; the feed core is inserted into the first feed hole, and one end of the feed core is electrically connected to the feed balun, and the other end passes through the first feed hole and is bent to form a first connection portion, and the first connection portion is used to electrically connect to the strip line circuit in the phase shifter. By setting the bending direction and bending angle of the first connection portion, the spacing between the positive feed core and the negative feed core can be adjusted to adapt to the connection of cavities of different widths, and by adjusting the bending direction and bending angle of the first connection portion, the angle between the first connection portion and the strip line in the cavity can be reduced, thereby reducing the difficulty of electrical connection and improving the connection quality.

A base station antenna includes a calibration circuit that has a plurality of pairs of directional couplers and an antenna array that includes a plurality of columns of radiating elements. The first polarization radiators of the radiating elements in each column are electrically connected to a first directional coupler of a respective one of the pairs, and the second polarization radiators of the radiating elements in the column are electrically connected to a second directional coupler of the respective one of the pairs. The directional couplers may be arranged in a manner that reduces in-column coupling and / or that reduces cross-column coupling between adjacent columns of radiating elements.

Base station antennas include a reflector; a first plurality of cross-dipole radiating elements that are arranged as a first array of cross-dipole radiating elements, each cross-dipole radiating element comprising a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm; and a plurality of parasitic monopole elements that are associated with a first of the cross-dipole radiating elements, each parasitic monopole element including a monopole radiator, wherein at least half of each monopole radiator is positioned within a footprint of the first and second dipole radiators of the first of the cross-dipole radiating elements when the first of the cross-dipole radiating elements is viewed from the front.

Base station antennas include a reflector, a first linear array of radiating elements extending forwardly from the reflector, the radiating elements in the first linear array configured to operate in a first frequency band, and a second linear array of radiating elements extending forwardly from the reflector, the radiating elements in the second linear array configured to operate in the first frequency band. These antennas further include an isolation wall that is positioned in between the first linear array of radiating elements and the second linear array of radiating elements. This isolation wall comprises at least one partially reflective surface that is configured to reflect, on average as a function of frequency, between 20% and 80% of incident radiation in the first frequency band.

The invention relates to a phase shifter and a base station antenna. The phase shifter comprises a circuit board (10) and a cavity (20), the circuit board (10) is located in the cavity (20), and the circuit board (10) is provided with a grounding connection end (11) and signal connection ends (12) of a plurality of phase shift circuits; the conductive part (70) is arranged in the cavity wall of the cavity (20) in a penetrating manner, and a part of structure of the conductive part (70) is electrically connected with the grounding connection end (11) of the circuit board (10); wherein the cavity (20) is provided with a cavity avoiding hole (22), and the cavity avoiding hole (22) is arranged opposite to the signal connecting end (12) and the grounding connecting end (11), so that the signal connecting end (12) and the grounding connecting end (11) are exposed from the cavity avoiding hole (22). According to the phase shifter and the base station antenna, electroplating-free effect can be realized, the occupied space is small, and the layout of the whole machine can be simplified.

The invention provides an optimization method of a radio frequency component, which comprises the following steps of: performing parallel calculation on target response by utilizing a plurality of lower confidence bound functions to obtain a plurality of candidate parameters; performing electromagnetic simulation on the plurality of candidate parameters to obtain simulation response data corresponding to the candidate parameters; on the basis of the simulation response data corresponding to the candidate parameters, the optimization result of the radio frequency component is determined from the candidate parameters, and the optimization method can improve the optimization efficiency of the radio frequency component, effectively utilize computing resources and reduce waste of the computing resources. The invention also provides electronic equipment, a program product and a base station antenna.

The invention relates to the technical field of communication antennas, in particular to a radiation unit of an integrated feed network and a base station antenna. The radiation unit comprises a radiation body, a feed structure and a balun structure, the balun structure is located below the radiation body and is provided with a balun cavity with two open ends, the balun cavity comprises a first balun cavity, the first balun cavity is arranged below the radiation body, and a feed sheet of the feed structure comprises a combiner, a phase shifter, a power divider or a filter and is arranged in the first balun cavity. According to the scheme, the Balun structure of the antenna array part is fully utilized, the appropriate feed network is integrated into the Balun structure, under the condition that the array size is not increased, the layout space of the feed network is increased, the complexity of the layout space of the feed network is reduced, meanwhile, the antenna gain is improved, and the reliability and consistency of the antenna are improved.

Radiating elements comprise a first dipole radiator that includes a first dipole arm and a second dipole arm, a second dipole radiator that includes a third dipole arm and a fourth dipole arm and first through fourth electromagnetic bandgap structures that are coupled to distal end portions of the respective first through fourth dipole arms.

RET assemblies suitable for base station antennas are provided that include a gear plate with a plurality of arms that extend in a longitudinally upward direction and a plurality of arms that extend in a longitudinally downward direction. The gear plate is coupled to a motor and lead screw that drive the gear plate, which in turn, rotates gears coupled to the gear plate. The gears rotate wipers of phase shifters in synchronization.

The embodiment of the invention provides a dual-frequency base station antenna, and belongs to the technical field of antenna equipment, the dual-frequency base station antenna comprises a grounding plate, two dielectric substrates are laminated on the grounding plate, each dielectric substrate is correspondingly provided with a radiation unit, and the radiation signal frequency bands of the two radiation units are different; the radiation unit comprises a radiation patch and a metal through hole array which are arranged on the dielectric substrate, the radiation patch is a fan-shaped patch, the metal through hole array is arranged around the arc-shaped edge of the radiation patch, and the metal through hole array, the grounding plate, the dielectric substrate and the radiation patch jointly form a substrate integrated waveguide resonant cavity; the substrate integrated waveguide resonant cavity is configured to couple and excite the radiation patch after being externally excited so as to radiate a signal of a preset frequency band through the radiation patch. The dual-frequency base station antenna provided by the embodiment of the invention has excellent pilot frequency isolation performance, and can realize bandwidth expansion and radiation optimization effects.

A multi-band base station antenna comprises: a reflector; a plurality of high-band radiators arranged on the reflector; and a plurality of low-band radiators arranged on the reflector. Each of the plurality of low-band radiators comprises: a radiation substrate; a first dipole radiator including a first+dipole arm and a first−dipole arm formed on the radiation substrate; a second dipole radiator including a second+dipole arm and a second−dipole arm formed on the radiation substrate; and a metal coupler coupled to the lower portion of the radiation substrate. The metal coupler comprises: a first coupling patch located below the first+dipole arm; a second coupling patch located below the first−dipole arm; a third coupling patch located below the second+dipole arm; and a fourth coupling patch located below the second−dipole arm.

The invention provides a low-cost dual-polarization electric scanning base station antenna applied to 5G communication, and provides an effective method for the design of a low-cost electric control scanning base station antenna. According to the invention, an antenna array surface is formed based on 2-bit dual-polarized microstrip antenna units, the antenna array surface and a feed network are in plug-in connection, and the feed phase of each antenna unit is controlled through an external wave control circuit board, so that phased wave beam scanning is realized. The base station antenna has the beneficial effects that compared with a traditional fixed beam base station antenna, the coverage range of the base station antenna can be effectively expanded; according to the invention, the microstrip antenna units are separated from each other and are not printed on a whole dielectric plate, so that the array scale can be flexibly controlled according to actual requirements; the antenna unit integrates two functions of radiation and phase shift, so that an external phase shifter is omitted, and the processing, assembling and maintenance costs are greatly reduced.

Antennas include a reflector, a first radiating element that is configured to operate in a first operating frequency band, and a second radiating element that is configured to operate in a second operating frequency band that encompasses higher frequencies than the first operating frequency band. The first radiating element includes a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm. The first dipole arm includes a first widened conductive section and a first narrowed conductive section that at least substantially surrounds the first widened conductive section.

The embodiment of the invention provides a base station antenna and communication equipment. The base station antenna comprises at least one antenna array, and the at least one antenna array comprises a strip line and at least one radiation unit. The stripline includes a stripline inner conductor and a cavity for accommodating the stripline inner conductor. The at least one radiation unit is fixedly connected to the outer surface of the cavity. The cavity in the at least one antenna array is used for receiving the driving force output by the driving part, and when the cavity receives the driving force, the antenna array corresponding to the cavity rotates around a rotating axis parallel to the length direction of the strip line. According to the base station antenna and the communication equipment provided by the embodiment of the invention, the azimuth angle of the antenna array can be flexibly adjusted, and the use requirements are met.

The invention relates to a radiation unit and a base station antenna. The radiation unit comprises a radiator, a feed assembly and a balun structure, the radiator comprises at least one polarization, and one polarization comprises at least two radiation arms; the feed assembly comprises a feed core, and the feed core is used for being connected with a feed network so as to feed the radiator; the balun structure is located at the bottom of the radiator, a first balun and a second balun are correspondingly arranged below two radiation arms of one polarization respectively, the first balun comprises at least one first balun cavity, and the feed core and the first balun cavity jointly form a strip line structure. According to the radiation unit provided by the embodiment of the invention, the space dimension can be fully utilized, and the anti-interference capability of the antenna is improved.

The power regulation network comprises a first input end, a second input end, a first output end, a second output end, a first phase shifting unit and a first switching unit, the first branch comprises a first input end and a first output end which are communicated; the second branch comprises a first input end, a first phase shifting unit, a first switching unit and a second output end which are communicated; and the third branch comprises a second input end, a first switching unit and a second output end which are communicated. When the first switching unit controls the second branch to be connected, the first power amplifier works; when the first switching unit controls the third branch to be connected, the first power amplifier and the second power amplifier both work. Therefore, when the number of the users is small, the first switching unit can control the second path to be connected, the first power amplifier to work and the base station to be in a low working power, the purpose of reducing the energy consumption of the base station is achieved, meanwhile, the formed beam range is not changed, and the communication quality of the users is guaranteed.

The present disclosure relates to a base station antenna; the base station antenna comprises: a radio; a feed board and a radiating element array mounted on the feed board, where the radiating element array comprises a plurality of radiating elements, and each radiating element extends forward from the feed board; a radome arranged in front of the radiating element array; and a plurality of radome supporting members mounted on the radio and extending forward from the radio to the radome for supporting the radome.

The invention provides a base station antenna and a base station. The base station antenna comprises a first antenna array, a frequency selection surface, a second antenna array and an antenna conductive part. The frequency selection surface is located between the first radiator of the radiation unit of the first antenna array and the second antenna array, and the frequency selection surface 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 part and the first antenna array are positioned on the same side of the array surface of the second antenna array; the antenna conductive part comprises a conductive substrate, a first structure unit and a second structure unit. The first structure unit and the second structure unit surround the conductive substrate by one circle, and the first structure unit and the second structure unit are arranged adjacently at intervals and form a capacitor. The base station comprises a holding pole and the base station antenna, and the base station antenna is fixed on the holding pole. According to the invention, the problem of electromagnetic shadow caused by shielding of the metal part can be improved.

A base station antenna includes a first radio frequency (“RF”) port; a second RF port; a first array of radiating elements that includes a first radiating element, the first radiating element including first and second radiators each having the first polarization direction, wherein the first radiator is coupled to the first RF port; a second array of radiating elements that includes a second radiating element, the second radiating element including a third radiator having the first polarization direction; and a first power divider having a first input that is coupled to the second RF port, and first and second outputs that are respectively coupled to the second and third radiators.

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.

The invention discloses an automatic fault prediction method and system for operation and maintenance of a base station, and relates to the technical field of operation and maintenance of the base station, and the method comprises the steps: collecting a plurality of signal features at a plurality of monitoring positions of a communication base station, carrying out the change analysis of the signal features of a base station antenna, and obtaining a plurality of signal change parameters; performing base station antenna offset analysis according to the plurality of signal change parameters to obtain a plurality of antenna offset parameters, and performing offset credibility analysis to obtain a plurality of offset credibility; acquiring environment parameters in an environment where the communication base station is located, and performing base station antenna influence offset analysis in combination with the plurality of antenna offset parameters to obtain a plurality of antenna influence offset parameters; and according to the plurality of offset credibility and in combination with the plurality of antenna influence offset parameters, calculating to obtain an antenna fault scale, and taking the antenna fault scale as a base station operation and maintenance fault prediction result. According to the invention, the technical problem of poor fault prediction accuracy in operation and maintenance of the base station in the prior art is solved.

The invention provides an antenna housing and a base station antenna. The radome can solve the problems that a traditional radome has obvious transmission loss and polarization mismatch during large-angle incidence, and the structural strength and the wave-transparent performance are difficult to consider at the same time. The antenna housing comprises a dielectric main body, at least one part of the dielectric main body is composed of a plurality of concave-convex units which are periodically arranged, each concave-convex unit is provided with a first surface and a second surface which are opposite to each other, and the second surface is a plane; the first surface comprises a concave area and a convex area surrounding the concave area, the thickness of the concave-convex unit in the concave area is a first thickness, the thickness of the concave-convex unit in the convex area is a second thickness, and the first thickness is half of the wavelength of the equivalent medium; the second thickness is N times of the first thickness, and N is larger than or equal to 1.2 and smaller than or equal to 1.5. According to the invention, mechanical strength and wave-transparent performance can be satisfied at the same time, and manufacturing cost can be reduced.