27 results about "Patch antenna array" patented technology

Described herein is a stacked patch antenna, an array of stacked patch antennas, and a method of fabricating a stacked patch antenna. The stacked patch antenna comprises a ground plane, a first substrate on the ground plane, a first patch on the first substrate having a first diagonal non-radiating center slot from a side of the first patch, a second substrate on the first patch, a second patch on the second substrate having a second diagonal non-radiating center slot from a side of the second patch similar to the side of the first patch, and a feed connector having a first conductor directly connected to the ground plane and a second conductor capacitively connected to the first patch and directly connected to the second patch.

The application relates to a W-band digital active antenna array, which comprises a millimeter wave subarray plate, a bottom plate and a signal processing unit; the millimeter wave subarray plate comprises a multi-channel patch antenna array and an active circuit, the active circuit comprises a W-band TR chip and an up-down conversion chip; the bottom plate comprises a low-frequency connector, a secondary power supply and corresponding local oscillation and intermediate frequency interfaces; a radio frequency input signal is input through the interface of the bottom plate, is transferred to the millimeter wave subarray plate, is input into the conversion chip to realize up-down conversion, finally is input through the TR chip and the antenna array to realize W-band signal transceiving; the low-frequency interface of the bottom plate is connected with the signal processing unit, and control and power supply signals generated by the signal processing unit are connected to the millimeter wave subarray plate after passing through the bottom plate. The application designs a miniaturized W-band digital active array. Meanwhile, an extensible active subarray design concept is adopted, the combination of millimeter wave subarrays with different numbers is adopted, and the requirement of the number of array channels in different scenes is met.

Embodiments of a method and apparatus for an intelligent reflect array are disclosed. In an example, an antenna array includes an array of patch antennas, a plurality of delay elements associated with each patch antenna, and a switch for each patch antenna having multiple positions. Each position is configured to connect one delay element of a respective plurality of delay elements to a respective patch antenna. A controller controls the position of each switch.

According to the TE20 mode LTCC patch antenna and radar based on the SIW structure, the SIW structure is applied to a reverse phase balance feed network and a slot coupling patch antenna, is applied to a high-gain TE20 mode LTCC patch antenna array with the frequency band of 77-81GHz and is packaged in an integrated antenna, and the TE20 mode LTCC patch antenna and radar based on the SIW structure have the performance of high gain and wide frequency band; the SIW structure and the LTCC multilayer structure are combined to realize a high-performance, miniaturized and highly integrated high-frequency microwave device, which is an important innovation in the technical field of radio frequency and microwave. The LTCC technology adopted by the invention can realize stacking of multiple layers of ceramic substrates, and provides a basis for manufacturing a multilayer SIW device; the SIW structure realizes a complex waveguide structure on the LTCC substrate, the performance and efficiency of the device are improved, and the formed array antenna has unique advantages in the development of millimeter wave packaging antennas.

The application discloses a frequency-adjustable decoupling patch antenna array, which comprises frequency-adjustable patch antenna units, an adjustable open-circuit microstrip decoupling structure and a microstrip line-slot coupling feeding structure, wherein the adjustable open-circuit microstrip decoupling structure is arranged between the frequency-adjustable patch antenna units, the adjustable open-circuit microstrip decoupling structure utilizes the adjustment capability of a variable capacitance diode Cv1 on the antenna operating frequency and the differential mode impedance of the array, and the following effect of the variable capacitance diode Cv2 on the common mode impedance of the array following the differential mode impedance when frequency modulation, and the cross-polarization suppression effect of the microstrip line-slot coupling structure are combined, so that the frequency-continuously-adjustable decoupling patch antenna array is realized, and the decoupling depth, the adjustable bandwidth and the bandwidth in a single state can be considered.

The invention relates to a dual-polarized dielectric patch antenna array suitable for being closely arranged at intervals, which comprises a lower dielectric substrate, a metal reflection floor, an upper dielectric substrate and two dielectric patches arranged in an array, which are sequentially stacked from bottom to top, and is characterized in that a metal sheet is attached to the vertical surface of each dielectric patch in the Y-axis direction; capacitive coupling generated by the metal sheets is used for counteracting strong inductive coupling of two working modes of the adjacent dielectric patches, so that the isolation degree between the first port and the third port is improved, and H-surface decoupling is realized; and the attenuation constant of the TM011 mode of the antenna in an IV region is maximized by adjusting parameters, E-plane decoupling is realized, and the IV region is a region of the dielectric patch on one side of the forward direction of the Y axis. On the basis that a section and a complex decoupling structure do not need to be added, an ideal isolation effect and a distortionless radiation mode can be achieved, and coupling of the E face and the H face is restrained at the same time.

The present invention belongs to the field of wireless communication technology, and specifically relates to an integrated broadband dielectric patch antenna array with beam scanning function. The array comprises a bottom substrate, a metal reflector, a top substrate, and a dielectric patch, which are stacked in sequence from bottom to top. Several pairs of air slot groups are etched in the center of the dielectric patch; the spacing between the pairs of air slot groups is unequal; the air slot groups include two parallel rows of air slots symmetrical about a perpendicular midplane of the dielectric patch; the lengths of the two parallel rows of air slots are unequal; the lower surface of the bottom substrate is provided with several ports and microstrip feed lines for coupling and feeding; the microstrip feed line is an L-shaped microstrip feed line; the L-shaped microstrip feed line consists of a 50Ω transmission line near the port and a λ / 4 impedance transformation line for matching; several coupling slots are etched in the metal reflector; the projection of the λ / 4 impedance transformation line on the metal reflector intersects the coupling slots perpendicularly; and the coupling slots are symmetrical about the center line of the projection of the λ / 4 impedance transformation line on the metal reflector.

The invention discloses an active phase control patch antenna array for fire protection based on energy selection. The active phase control patch antenna array comprises an antenna array formed by M rows and N columns of metal patches, for any row of metal patches, a transverse selectable cancellation structure is arranged between any two adjacent metal patches; for any column of metal patches, a longitudinal selectable cancellation structure is arranged between any two adjacent metal patches; the transverse selectable cancellation structure comprises two selectable cancellation ports and a selectable cancellation line arranged between the two selectable cancellation ports; wherein the first selectable cancellation port is connected with the first metal patch in the two adjacent metal patches, and the second selectable cancellation port is connected with the second metal patch in the two adjacent metal patches. According to the invention, the out-of-phase antenna mode between the adjacent units is adaptively excited, so that the normal beam forming capability is maintained, the self-triggering offset of harmful HPM signals is realized, and the protection level can be expanded along with the increase of the array size.

The invention discloses a circular polarization patch antenna array self-decoupling method and an antenna array, four corners of each square metal patch in the array are sequentially embedded into circular grooves, and one side formed by large and small circular grooves of a unit is adjacent to one side formed by medium and small circular grooves of another unit; the self-decoupling of the circularly polarized patch antenna array is realized by adjusting the phase difference of the coupling patch polarization current and the excitation patch mode through the four circular grooves and combining the influence rule of the radius and the position of each circular groove on the mutual coupling and the axial ratio, and the design requirements of the decoupling working frequency range and the axial ratio frequency range of the antenna array are met.

A phased-array antenna system includes a substrate and a plurality of sub-arrays. Each sub-array comprises an array of patch antennas arranged on a first major surface of the substrate; a plurality of beamformer devices coupled to the array of patch antennas; a multi-channel up-down converter (UDC) and a combiner-splitter coupled to the multi-channel UDC. The combiner-splitter is configured to split a signal provided by the UDC and provide the signal to each of the plurality of beamformers and / or to combine signal provided by the plurality of beamformers and to provide the combined signal to the UDC. Each sub-array also includes an integrated device comprising the multi-channel UDC and the combiner-splitter. The integrated device and the plurality of beamformer devices is arranged on a second major surface of the substrate opposite the first major surface. The integrated device is arranged between at least two beamformer devices.

The application discloses an ultra-low profile wideband circularly polarized microstrip patch antenna array and a design method thereof, the antenna array is constructed on a single-layer thin dielectric substrate, the antenna unit is composed of a substrate integrated waveguide resonant cavity and a microstrip patch resonator embedded in the center, and the combination of the double resonators is realized without increasing the size of the antenna. Adjacent antenna units are arranged with zero spacing, and share a metal column around the edge of the substrate integrated waveguide resonant cavity. By using the center slot, the ring slot and the four symmetrical slots connected thereto, two pairs of degenerate modes with orthogonal polarization and similar resonant characteristics are introduced, thereby forming four resonant points with similar radiation characteristics and similar resonant frequencies and two axial ratio zero points, so that the synchronous expansion of the impedance bandwidth and the axial ratio bandwidth is realized. In addition, the radiation cancellation effect along the two sides of the ring slot produces a radiation zero point near the upper edge of the passband, thereby improving the out-of-band suppression performance of the antenna.

A patch antenna array includes: a plurality of high band patch antennas configured to radiate at frequencies in a relatively higher frequency band; and a plurality of low-band patch antennas configured to radiate at frequencies in a relatively lower frequency band, the low-band patch antennas being interleaved with the high-band patch antennas. Each low-band patch antenna includes: an active element; and a passive element including a metal ring having an outer edge and an inner edge, the inner edge defining an inner opening. The corresponding patch antenna comprises: an active rectangular patch element; and a passive element disposed over the active element, where the metal ring defines an inner opening, where the passive element is disposed over the active element. The passive metal ring element can optimize dual-band performance by controlling interference. A very narrow substrate may be achieved.

An antenna structure, an electronic device and a wireless network system, relate to the technical field of antennas. The antenna structure is characterized in that a medium plate and a metal bottom plate are spaced apart by a first preset distance; a first feeding port and a patch antenna array are located on a first surface of the medium plate, and a second feeding port is located on a second surface of the medium plate, the second surface being opposite to the first surface; the patch antenna array comprises four patch antennas, the four patch antennas being arranged in two rows and two columns, a feeding structure being included between the two patch antennas in each row, and a feeding structure being included between the two patch antennas in each column; the feeding structure between the two patch antennas in each column is connected to the first feeding port, so that the four patch antennas all generate polarization in a first direction; the feeding structure between the two patch antennas in each row is connected to the second feeding port, so that the four patch antennas all generate polarization in a second direction, the first direction being orthogonal to the second direction. The antenna structure has a simple structure and a high directional gain.

An example wireless communication device includes a multi-layer substrate; and an antenna array having planes formed by features of the multi-layer substrate, wherein the features of the multi-layer substrate that form the planes of the antenna array include a plurality of vias and a plurality of traces arranged in a mesh structure, and wherein an angle between the planes of the antenna array and layers of the multi-layer substrate is greater than zero and less than 90.

The disclosure relates to a wide scanning antenna array. The technical result consists in increasing the beam scanning range of the antenna array and the operating frequency range, simplifying the design of the antenna array and reducing losses. An antenna array is provided. The antenna array includes a plurality of antenna array elements. Each antenna array element of the plurality of antenna array elements includes a main printed circuit board (PCB) over which a middle layer and an additional PCB are arranged. A first patch element is disposed at the main PCB, and a second patch element is disposed at the additional PCB. The antenna array element further includes a cavity in the middle layer to reduce coupling between the antenna array element and at least another antenna array element of the plurality of antenna array elements. The cavity in the middle layer includes a hole that supports coupling between the first patch element and the second patch element. The main PCB, the middle layer and the additional PCB are interconnected by means of a no galvanic connection.

The present disclosure describes various systems and apparatuses for a compact frequency reconfigurable array antenna and methods related thereto. An exemplary array antenna system comprises a substrate; an array of patch antennas positioned on the substrate; a plurality of PIN diodes placed on a top surface of the substrate, wherein individual PIN diodes are located in individual gaps between respective ones of the patch antennas; and a plurality of meander-line (ML) complementary split-ring resonator (CSRR) decouplers placed on a bottom surface of the substrate, wherein individual ML-CSRR decouplers are placed under individual patch antennas in a diagonal direction.

The embodiment of the invention discloses a patch antenna unit, a patch antenna array and communication equipment, and relates to the technical field of wireless communication. The patch antenna unit comprises a grounding patch, a radiation patch, a radiation branch knot, a first conductive column and a second conductive column. The grounding patch comprises a first grounding piece and a second grounding piece. The radiation patch comprises a first radiation sheet and a second radiation sheet. The radiation patch is provided with first vertex angles which are opposite to each other and second vertex angles which are opposite to each other. And the extending intersection part of the first side edge and the second side edge of the first vertex angle forms a straight line segment to form a chamfer. The included angle between the first side edge and the linear section is larger than that between the second side edge and the linear section. The radiation branch is connected with the second vertex angle. The first conductive column is connected between the first radiation sheet and the first grounding sheet; the second conductive column is connected between the second radiation sheet and the second grounding sheet. The patch antenna unit is of a left-right hand transmission structure. And the radiation branches and the chamfers are arranged, so that right-handed circular polarization in the normal direction and the end-fire direction can be realized at the same time.

The invention discloses a foldable microstrip antenna array for satellite communication, and relates to the technical field of antennas. The double-layer dielectric substrate is arranged on the antenna carrier, the circular metal patches are respectively printed on the dielectric substrate, the metal patches are arranged in a 2 * 2 mode, rotation feeding with equal amplitude and phase sequentially lagging by 90 degrees is carried out through the 3 dB bridge, energy radiated by all the antenna units is superposed, and therefore the antenna gain is improved, and the antenna efficiency is improved. The microstrip patch antenna array can be folded along a yoz surface, can be folded in a carrier in a non-working state, has the characteristic of miniaturization and is convenient to carry and carry, the antenna is in left-hand circular polarization radiation in a frequency band range of 1.98-2.20 GHz, the axial ratio is smaller than 2 dB, the in-band gain is larger than 10 dBi, and the antenna is suitable for various working scenes.

This invention discloses a 6G low-profile dual-band self-decoupling common-aperture patch antenna array and its design method, belonging to the field of wireless communication. It comprises six layers: the first layer is the dual-band self-decoupling common-aperture patch antenna array; the second layer is a first dielectric layer; the third layer is an adhesive layer responsible for bonding the antenna to the dielectric substrate containing the feed network; the fourth layer is a ground plane; the fifth layer is a second dielectric layer; and the sixth layer is a power divider, which feeds the dual-band self-decoupling common-aperture patch antenna array of the first layer. The dual-band self-decoupling common-aperture patch antenna array includes four high-frequency antennas and a Jerusalem cross-shaped strip surrounding the four high-frequency antennas. The four high-frequency antennas and the Jerusalem cross-shaped strip together constitute a low-frequency antenna unit. The 6G low-profile dual-band self-decoupling common-aperture patch antenna array and its design method provided by this invention achieve ultra-low profile, high isolation, low frequency ratio dual-band operation, and good beam scanning performance, with simple fabrication.

A patch antenna array includes a plurality of high-band patch antennas configured to radiate at frequencies in a relatively higher frequency band; and a plurality of low-band patch antennas configured to radiate at frequencies in a relatively lower frequency band, the low-band patch antennas interleaved with the high-band patch antennas. Each low-band patch antenna includes: an active element; and a passive element comprising a metal ring with an outer edge and an inner edge, the inner edge defining an inner opening. A corresponding patch antenna includes an active rectangular patch element; and a passive element disposed above the active element with a metal ring defining an inner opening, wherein the passive element is disposed above the active element. The passive, metal ring elements can optimize the dual-band performance by controlling interference. Very narrow substrates can be enabled.

The invention discloses an unmanned aerial vehicle pod data acquisition system based on a robot operating system, and designs a pod architecture for field data acquisition, and integrates a microwave wake-up module, a microstrip patch antenna array and a low-power-consumption circuit to ensure stable and continuous communication. Through a flight control algorithm developed based on ROS, a data acquisition path is dynamically optimized under the consideration of factors such as camera distribution, pod residual electric quantity and wind field data. A communication protocol layer is innovated, a two-stage wake-up mechanism is adopted, the first stage broadcasts a low-power-consumption Bluetooth BLE signal, the second stage adopts microwave directional beam scanning, the effective wake-up distance is increased, and the false wake-up rate and the comprehensive power consumption are reduced. According to the invention, the coverage rate of single field data acquisition and the data transmission rate can be improved, a stable and high-precision automatic technical scheme is provided for the absence of a special module for field data acquisition in the unmanned aerial vehicle pod at present, and the intelligent development of an ecological protection technology and the deepening of the application of the unmanned aerial vehicle in a special operation scene are promoted.

The application discloses a high-gain filtering antenna and a debugging system thereof, and relates to the technical field of microwave communication. The high-gain filtering antenna comprises a filter, a patch antenna, a feed port, a coupling port, a second reflecting plate and a radiation surface. The filter comprises a plurality of cascaded resonators, and the patch antenna is coupled to the switching resonator. The second reflecting plate is arranged above the patch antenna, and the second reflecting plate is provided with a window. The radiation surface and the second reflecting plate form a patch antenna array, and the radiation surface comprises a PCB medium and three metal patch antenna units arranged on the PCB medium. The energy of the patch antenna is coupled to the radiation surface through the window, and the three metal patch antenna units form an antenna array for radiation. The application can be widely applied to 5G-A and 6G communication systems by loading the radiation surface on the single antenna, thereby improving the antenna gain from 5dB to 11.5dB while maintaining the tunable filtering characteristics.

This invention discloses a self-decoupling antenna array and device based on a magnetoelectric dipole. The antenna array includes: a first dielectric substrate with two stepped microstrip lines on a first surface; two radiating elements, each composed of two identical magnetoelectric dipole antennas. Each magnetoelectric dipole antenna consists of two rectangular metal patches, three pairs of second metal-plated vias, and a Γ-shaped probe. The Γ-shaped probe includes two third metal-plated vias and a second metal patch. The antenna array is fed into the Γ-shaped probe through the stepped microstrip lines to excite the antenna. This invention achieves excellent decoupling functionality through the characteristics of higher-order electric dipole modes without introducing additional decoupling circuits or components. Simultaneously, the array structure is simple, easy to implement and expand, and has potential application prospects in millimeter-wave multiple-input multiple-output wireless communication systems. This invention can be widely applied in the field of mobile communication antennas.

The embodiment of the invention provides a patch antenna unit, a patch antenna array and communication equipment, and belongs to the technical field of wireless communication. The patch antenna unit comprises a dielectric substrate, and a radiation patch, an interlayer short circuit patch and a floor which are arranged in sequence. The radiation current generated by the radiation patch and the coupling current induced by the short-circuit patch are opposite in direction, and the radiation electric fields of the radiation patch and the short-circuit patch are superposed to realize the wide-beam characteristic. In the array, the second coupling path introduced by the short-circuit patch and the original first coupling path between the radiation patches are reversely cancelled, so that self-decoupling is realized, and the port isolation is improved. And the coupling type grounding metal sheet is loaded at the edge of the short circuit patch, so that the isolation degree is further improved. According to the phased-array antenna constructed based on the unit, the isolation degree is larger than 25 dB within the working bandwidth exceeding 20%, and wide-angle scanning not smaller than + / -74 degrees is achieved. In the wave beam scanning process, the active reflection coefficient in the working frequency band is basically kept below-10 dB.

The invention discloses a 6G low-profile dual-frequency self-decoupling common-caliber patch antenna array and a design method, and belongs to the field of wireless communication, the 6G low-profile dual-frequency self-decoupling common-caliber patch antenna array comprises six layers, the first layer is a dual-frequency self-decoupling common-caliber patch antenna array, and the second layer is a first dielectric layer; the third layer is a bonding layer which is responsible for bonding the antenna and the dielectric plate where the feed network is located; the fourth layer is the ground; the fifth layer is a second dielectric layer; the sixth layer is a power divider and is used for feeding the double-frequency self-decoupling common-caliber patch antenna array of the first layer; the dual-frequency self-decoupling common-caliber patch antenna array comprises four high-frequency antennas and a Jerusalem cross-shaped strip arranged around the four high-frequency antennas, and the four high-frequency antennas and the Jerusalem cross-shaped strip jointly form a low-frequency antenna unit; according to the 6G low-profile dual-frequency self-decoupling common-aperture patch antenna array and the design method, ultra-low profile, high isolation, small-frequency-ratio dual-frequency work and good beam scanning performance are realized, and the process is simple.

The invention discloses a frequency-adjustable decoupling patch antenna array, which comprises frequency-adjustable patch antenna units, an adjustable open-circuit microstrip decoupling structure and a microstrip line-slot coupling feed structure, and is characterized in that the adjustable open-circuit microstrip decoupling structure is arranged between the frequency-adjustable patch antenna units; by utilizing the adjusting capability of the variable capacitance diode Cv1 on the antenna working frequency and the array differential mode impedance, and the following effect of the variable capacitance diode Cv2 on the array common mode impedance to the differential mode impedance during frequency modulation, and by combining the cross polarization choking effect of the microstrip line-slot coupling structure, the frequency continuous adjustable coupling patch antenna array is realized; and the decoupling depth, the adjustable bandwidth and the bandwidth in a single state can be considered.

An antenna assembly includes a ground plane including conductive material, and a dielectric material above the ground plane. A patch antenna is on the dielectric material. In an example, a plurality of features extends from an upper surface or a lower surface of the dielectric material and within the dielectric material, wherein the plurality of features comprises voids filled with gas or are vacuum. Additionally, or alternatively, the dielectric material is doped with a dopant. In an example, the antenna assembly further includes a first aperture and a second aperture on the ground plane and below the patch antenna, and another dielectric material below the first and second apertures. In some such cases, a first feed line is below the first aperture, and a second feed line is below the second aperture.