44 results about "Patch antenna array" patented technology

Embodiments generally relate to small satellites. Example small satellites may include a satellite body having a rectangular tile shape, with a substantially flat front side having a length and width and being separated from a substantially parallel back side by a depth, wherein the depth is equal to or less than a third of the length and the width. A patch antenna array may be positioned on the front side and / or a large patch antenna may be positioned centrally on the front side. A solar panel may be positioned on or coupled to the back side.

The invention discloses a microwave and millimeter wave common-aperture antenna with millimeter wave two-dimensional beam scanning capability, and a 4 * 4 millimeter wave phase control patch antenna array is embedded into a microwave hollow patch antenna and is coplanar and shares the same aperture. The millimeter wave antenna array can support two-dimensional beam scanning in a 5G millimeter wave n257 frequency band, and impedance matching of the microwave patch antenna can be improved. The microwave hollowed-out patch antenna adopts a split patch form, a square groove structure for hollowing reserves a position for embedding of a millimeter wave antenna array, a current path is added, and the working mode of the microwave antenna is moved to a low frequency, so that the microwave antenna can work in a frequency band of 4.7-5.6 GHz. According to the invention, microwave / millimeter wave dual-band coverage is realized, the problems of low space utilization rate, incapability of realizing millimeter wave two-dimensional beam scanning capability and the like of a common-aperture antenna in the prior art are solved, and the antenna is compact in size.

An antenna structure, an electronic device, and a wireless network system are provided, and relate to the field of antenna technologies. A patch antenna array includes four patch antennas. The four patch antennas are arranged in two rows and two columns. One of the feeding structures is included between two of the patch antennas in each row. One of the feeding structures is included between two of the patch antennas in each column. The feeding structure located 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 located 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.

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.

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.

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 present invention provides a flexible antenna array for wireless microwave energy transmission, belonging to the field of communication technology, which includes a first dielectric substrate, a second dielectric substrate, a patch antenna array, a feeding interface, an equivalent ground plane, and a π-type decoupling network. By applying the printing technology of liquid metal and flexible materials, the present invention invents a liquid metal antenna operating at 5.8 GHz for microwave energy transmission. This liquid metal patch antenna will give full play to the advantages of liquid gallium-indium alloy composite materials and flexible dielectric substrates, such as repairability, flexibility, reconfigurability, anti-fatigue, and corrosion resistance, and is applied in integrated small electronic devices to realize the reception and transmission of electromagnetic waves and is used for long-distance wireless energy transmission.

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 invention provides a circularly polarized patch antenna array structure and system.The circularly polarized patch antenna array structure comprises a plurality of antenna array units which are evenly distributed in the circumferential direction at intervals, a micro-coaxial transmission line and a metal floor, each antenna array unit comprises a micro-coaxial feed structure, a metal supporting column and a metal disc, one end of each metal supporting column is connected with the metal floor, and the other end of each metal supporting column is connected with the micro-coaxial transmission line; the other end of the metal supporting column is connected with the metal disc, the micro-coaxial feed structure comprises an outer feed part and an inner feed part arranged on the outer feed part, the inner feed part is provided with two feed probes extending out of the outer feed part, the two feed probes extend to the position between the metal disc and the metal floor, one end of each feed probe is arranged close to the metal column, and the other end of each feed probe is arranged close to the metal disc. The two feed probes are perpendicular to each other, and the phase difference output by the two feed probes is 90 degrees. The antenna array units and the micro-coaxial transmission lines are of micro-coaxial structures, are small in size, have the advantages of being low in profile and compact in structure, achieve low transmission loss and further improve antenna 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 tire multi-layer substrate is greater than zero and less than 90.

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.

A transceiver for providing full-duplex communications includes a multilevel patch antenna array having a first patch antenna array for transmitting the first carrier signal on the first channel including a first plurality of patch antennas thereon and a second patch antenna array for receiving the second carrier signal on the second channel including a second plurality of patch antennas thereon. Transmitter circuitry associated with the first patch antenna array transmits first signals having a first orthogonal function applied thereto on a first channel on a first frequency band. Receiver circuitry associated with the second patch antenna array receives remotely transmitted second signals on a second channel on the first frequency band having a second orthogonal function applied thereto and the first signals transmitted from the first patch antenna array having the first orthogonal function applied thereto on the first channel on the first frequency band at a same time on the first frequency band. The receiver circuitry only processes received signals including the second orthogonal function. The first orthogonal function applied to the first signals transmitted from the first antenna array and the second orthogonal function applied to the second signals prevents interference between the first signals and the second signals that are being simultaneously transmitted and received on the first frequency band at the multilevel patch antenna array.

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.

The present invention provides a dual-polarized microstrip patch antenna array fed by artificial surface plasmons. It comprises: a dual-polarized microstrip patch antenna array and two sets of series feeding networks based on artificial surface plasmons; the series feeding network based on artificial surface plasmons is composed of a straight artificial surface plasmon transmission line located on the lower surface of a dielectric substrate, four sections of V-shaped artificial surface plasmon transmission lines located on the upper surface of a dielectric substrate, and a metal column integrated in the substrate for connecting the transmission lines on the upper and lower surfaces of the substrate; the radiation patch of the dual-polarized microstrip patch antenna array is located on the upper surface of the dielectric substrate, and the metal floor is located on the lower surface of the dielectric substrate. The present invention utilizes a series feeding network based on artificial surface plasmons to feed the dual-polarized microstrip patch antenna array; the single-layer structure is compact and easy to process and realize; it has good impedance bandwidth and stable radiation pattern and directional radiation characteristics.

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.

An antenna array for use in RFID reader applications is provided. The antenna array may include a plurality of patch antenna elements, a plurality of microstrip connection elements, a probe feed, a ground layer, and an isolation layer. The plurality of patch antenna elements may form multipolarized patch antenna array, and each microstrip connection element may connect two patch antenna elements. The probe feed may be configured to provide a feed point to the antenna array via a galvanic isolated connection to a feed patch antenna element that is one of the plurality of patch antenna elements. The isolation layer may be disposed between the plurality of patch antenna elements and the ground layer.

The invention belongs to the technical field of antennas, and relates to a flexible transparent antenna based on a CSRR metasurface and a preparation method, the flexible transparent antenna is a patch antenna array connected by a 1 * 4 series-parallel feed network, and the patch antenna array adopts a polyvinyl chloride substrate as a transparent dielectric substrate. Indium tin oxide attached to polyethylene glycol terephthalate is selected as a top layer grounding structure and a bottom layer grounding structure of the antenna, feed networks are of a clamp-shaped structure, a bow-shaped branch groove is etched in the top layer between the adjacent feed networks, and a square complementary resonance open-loop groove is etched in the bottom layer grounding structure. According to the CSRR-based series-parallel hybrid feed structure, a flexible antenna array can be designed more quickly and efficiently, the line width of a 1 / 4 wavelength impedance conversion microstrip line is obtained through theoretical analysis and calculation of a transmission line, impedance matching is realized through simulation optimization, and finally the broadband and high-gain functions of the array are realized.

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.