1310 results about "Base station antennas" patented technology

Base station antennas include first and second radio frequency (“RF”) ports and a first antenna array that includes both first and second radiating elements. Each of the first radiating elements includes a first radiator that is connected to the first RF port that is configured to radiate at a first polarization and a second radiator that is connected to the second RF port that is configured to radiate at the first polarization. Each of the second radiating elements includes a first radiator that is connected to the first RF port that is configured to radiate at a second polarization that is different from the first polarization and a second radiator that is connected to the second RF port that is configured to radiate at the second polarization.

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.

Disclosed in the present application are an artificial dielectric material, a lens unit and a manufacturing method therefor, and a lens antenna. The artificial dielectric material comprises a substrate and conductive materials, wherein the substrate is configured to be of a porous structure and is provided with a plurality of microporous chambers; and the conductive materials are arranged on side walls of the microporous chambers, and the shape of the microporous chambers and / or at least one of the shape, size, density and extension direction of the conductive material are adjusted to obtain different equivalent dielectric constants. The artificial dielectric material provided in the present application has a stable structure, is free of deformation after being used for a long time, is acid-resistant, waterproof and flame-retardant, and has a density less than 30 kg / m3; and the conductive materials do not fall off, and the relative positions between the conductive materials are fixed, such that contact is avoided, and an inter-modulation index of a base station antenna is not affected. Therefore, the artificial dielectric material and the manufacturing method therefor which are provided in the present application provide a higher degree of freedom for the design of a lens unit and a lens antenna.

The embodiment of the invention provides a base station antenna, and relates to the technical field of communication. The base station antenna comprises a housing, a phase shifter and a combiner. The shell is provided with combining cavities and phase shifting cavities, the two phase shifting cavities are arranged side by side in the first direction, the combining cavities are arranged on the same side of the two phase shifting cavities in the second direction in a stacked mode, the first direction is perpendicular to the second direction, and the size of the combining cavity in the first direction is larger than the size of any phase shifting cavity and smaller than the sum of the sizes of the two phase shifting cavities; the phase shifter comprises two phase shifting modules corresponding to the phase shifting cavities, each phase shifting module is arranged in the corresponding phase shifting cavity, and each phase shifting module is provided with a phase shifting network; the combiner is arranged in the combining cavity and provided with a combining network, and the combining network is connected with the two phase shift networks. According to the base station antenna provided by the embodiment of the invention, multi-frequency, miniaturization and integration are realized, the gain, radiation efficiency and sidelobe performance of the base station antenna are optimized, the feed network is simple, and the resonance phenomenon is avoided.

A box dipole radiating element uses a compact quad arrangement of substantially coplanar radiating arms to support slant-polarized radiation, in response to differential-mode currents generated along four sides thereof and in response to common-mode currents, which may be generated in substantially the same plane as the differential-mode currents. A feed signal routing network is provided, which includes a feed signal routing substrate on portions of the radiating arms, first through fourth signal traces on a forward face of the substrate, and first through fourth ground plane segments on a rear face of the substrate. These 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 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.

An antenna system includes a radiating element layer including a plurality of radiating elements, a reflective frequency selective surface (FSS) layer having a resonance transmission frequency range, and an absorptive FSS layer between the reflective FSS layer and the radiating element layer and having a resonance absorption frequency range. The resonance transmission frequency range is greater than the resonance absorption frequency range.

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.

Base station antennas are provided that include a reflector assembly and a radiating element. The reflector assembly includes a reflector. The radiating element extends forwardly from the reflector. The reflector includes a nonmetallic substrate, and a metal layer mounted on the substrate.

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.

Disclosed herein are a small cell base station antenna apparatus and a connector for same. The small cell base station antenna apparatus comprises: a radio Unit (RU); at least one antenna module installed to be tiltable and steerable with respect to the a radio unit; and multifunction link configured to mediate the installation of each antenna module to the radio unit, wherein the multifunction link comprises: a center body; a first fixture connected between one end of the center body and the antenna module; and a second fixture connected between the other end of the center body and the radio unit, and wherein the first fixture and the second fixture are coupled via a ball joint to enable the antenna module to be installed to perform tilting rotation and steering rotation motions with respect to the radio unit.

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 provides a guide sheet structure, a base station antenna and a base station, and relates to the technical field of antennas. The guiding sheet structure comprises a first guiding sheet and at least one second guiding sheet, the first guiding sheet is provided with a through hole, the at least one second guiding sheet is arranged in the through hole, and the first end of the at least one second guiding sheet is fixedly connected with the first guiding sheet; the outer edge of the first guiding sheet is provided with at least one first branch knot, the at least one first branch knot extends along the outer edge contour of the first guiding sheet, and the at least one first branch knot is fixedly connected with the first guiding sheet; the first end of the second guiding sheet is provided with an opening, the opening extends in the extending direction of the second guiding sheet, and a second branch knot is arranged in the opening and extends in the extending direction of the second guiding sheet. The guide sheet structure has a wave-transparent characteristic, so that the bandwidth of a low-frequency antenna in the multi-frequency antenna can be expanded, wave transmission of a high-frequency antenna in the multi-frequency antenna can be realized, and the interference on the radiation performance of the high-frequency antenna is relatively low.

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 present invention relates to base station antenna assembly. a base station antenna assembly including a reflector; a first radiator; a second radiator; a feeder panel including a dielectric substrate and a conductor plane capacitively coupled with a ground plane formed on a rear surface of the dielectric substrate; a first feed path including a first feed line extending from the rear of the feeder panel to the front of the feeder panel and a second feed line formed on a front surface of the dielectric substrate; a second feed path including a first feed line extending from the rear of the feeder panel to the front of the feeder panel and a second feed line formed on a front surface of the dielectric substrate; and a gap resonator deposited between the first feed line of the first feed path extending to the front of the feeder panel and the first feed line of the second feed path extending to the front of the feeder panel, and the gap resonator being configured to resonate at the first frequency, wherein the first frequency is within the operating frequency bands of the first and second radiators.

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.

The present application belongs to the technical field of communications. Disclosed are a base station antenna and a base station. The base station antenna comprises a reflecting plate and an antenna array provided on the reflecting plate, working frequency bands of the antenna array comprising a first frequency band and a second frequency band, the first frequency band being higher than the second frequency band; a first decoupling surface, which is arranged above the antenna array and is used for performing decoupling elimination on a coupled wave at the first frequency band by reflecting a portion of electromagnetic waves at the first frequency band transmitted by the antenna array; and a second decoupling surface, which is arranged above the first decoupling surface and is used for performing decoupling elimination on a coupled wave at the second frequency band by reflecting a portion of electromagnetic waves at the second frequency band transmitted by the antenna array.

The invention relates to a base station antenna device and a base station. The base station antenna device comprises a reflecting plate, a radiating unit and a cavity structure, the radiation unit comprises two pairs of radiation arms which are orthogonally polarized, two baluns and two feed parts; the cavity structure comprises two layers of cavities separated along a first direction, and one layer of cavity is provided with two phase shift cavity groups arranged along a second direction and an avoidance cavity positioned between the two phase shift cavity groups; the other layer of cavity is provided with two transfer cavities which are separated along a second direction; one ends of the two feed parts penetrate into the two switching cavities in a one-to-one correspondence manner, and one ends of the feed parts are connected with the switching structure; and the switching structures in the switching cavities extend into the corresponding phase shift cavity groups and are connected with the phase shift network. When the connection position of the feed piece in the switching cavity and the switching structure is subjected to the operation of removing the electric connection, the operation position is located in the switching cavity in one layer of cavity in the two layers of cavities, so that the welding reliability of other welding spots in the phase shift cavity in the other layer of cavity is not influenced.

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.

The invention provides a base station antenna, the base station antenna comprises a reflecting plate and a phase shifter, the reflecting plate is provided with a groove, the phase shifter comprises a phase shift circuit, a phase shift medium and a radio frequency ground, the phase shift circuit is covered on an opening of the groove in an insulation manner, the groove wall of the groove forms the radio frequency ground, and the radio frequency ground is arranged in the groove. The phase shift medium comprises a first sliding medium, the first sliding medium is arranged in the groove, and the first sliding medium moves relative to the phase shift circuit to adjust the phase. According to the base station antenna, the phase shifter is integrated on the reflecting plate, and particularly, the phase shifting medium is arranged in the groove in the reflecting plate, so that the size of the antenna is remarkably reduced, the antenna is more compact and light, and the internal space layout of the antenna is optimized.

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.