787 results about "Patch antenna" patented technology

A right-hand circularly-polarized patch antenna comprising a ground plane and a patch connected to each other with one or more wires for which the wire shape and location of the end points are selected such that they do not cause an antenna mismatch, and the electrical current carried in the wires produces an extra electromagnetic field subtracted from the patch field in the nadir direction.

Radio frequency antenna designs for mobile devices are provided. An example patch antenna element includes an active element comprising a square metallic patch disposed on a first plane, a plurality of metallic patches disposed on a second plane that is above and parallel to the first plane, wherein each of the plurality of metallic patches are separated from one another in the second plane by a gap, and a plurality of via structures disposed between the first plane and the second plane, wherein each of the plurality of via structures is configured to electrically couple a respective one metallic patch of the plurality of metallic patches with the active element.

The invention discloses a millimeter wave broadband dual circularly polarized antenna and an array. The millimeter wave broadband dual circularly polarized antenna comprises two layers of microwave medium substrates, a bonding medium, a grounding metal plate and a coaxial feed probe. Two E-shaped patch antennas, four small square patches and an L-shaped metal strip are printed on the upper surface of the upper-layer dielectric substrate, gaps are obliquely formed in the centers of the small square patches, the L-shaped metal strip is used for increasing port isolation, and the E-shaped patches excite the four small square patches to achieve the broadband radiation characteristic. And two coaxial feed probes are respectively connected with two output ends with 90-degree phase difference of the 3dB directional coupler on the lower surface of the lower-layer microwave dielectric substrate, sequentially penetrate through the lower-layer microwave dielectric substrate, the bonding medium, the grounding metal plate and the upper-layer microwave dielectric substrate, and are electrically connected with the two E-shaped patch antennas, so that circularly polarized radiation is realized. According to the invention, the circularly polarized antenna with wide beam width, wide impedance bandwidth, wide axial ratio bandwidth and dual polarization characteristics is realized, and the circularly polarized antenna is suitable for potential application requirements of millimeter wave frequency band wireless communication and satellite communication.

A switchable patch antenna comprises a planar conductor having an aperture (hole) formed in the middle of the planar conductor. Radiation of a sinusoidal signal is controlled by comparison of separate impedance values for two components that have separate impedance values. Each of the two components have one end coupled together at the terminal positioned at a center of the aperture and their other ends separately coupled to opposing edges of the aperture. A sinusoidal signal source is also coupled to the terminal positioned at the aperture's center. Further, when the impedance values of both components are substantially equivalent, radiation by the antenna of the provided signal and / or mutual coupling of other signals is disabled. Also, when an impedance value of one of the two components is substantially greater than the other impedance value of the other component, the provided signal is radiated and / or mutual coupling is enabled.

The invention relates to a high-sensitivity anti-interference satellite navigation signal receiving system and method based on Rydberg atoms, and the system comprises a signal detection unit which is used for receiving a satellite navigation direct signal and outputting an electric signal; the data receiving unit is used for processing the electric signal output by the signal detection unit and outputting a navigation message; the power distribution unit is used for providing power for the signal detection unit and the data receiving unit; the signal detection unit comprises an atomic antenna which comprises four miniature atomic air chambers and is used for receiving satellite navigation direct signals from different directions; the light path system is used for providing detection laser and coupling laser for the miniature atomic gas chamber so as to excite atoms in the miniature atomic gas chamber from a first low-energy-level state to a high-energy-level state; and the patch antenna is arranged on one side of the miniature atomic gas chamber and is used for providing a local oscillation microwave signal for the miniature atomic gas chamber so as to realize superheterodyne high-sensitivity microwave signal receiving.

A multi-band antenna element is provided with a stacked pair of a first low-band patch antenna element and a second low-band patch antenna element and also a high-band patch antenna element for operation across both a low band and a high band. An L-shaped probe in the multi-band antenna is configured to parasitically excite the high-band patch antenna element. A linear slot in the second low-band patch antenna element is configured to resonant in the high band.

Techniques are provided for improving antenna isolation and angle-of-arrival (AoA) performance of an antenna array. An example antenna array includes a plurality of patch antenna elements disposed on a planar substrate, and one or more resonator elements disposed on the planar substrate and between each of the plurality of patch antenna elements, wherein each of the one or more resonator elements includes a first repeating S-shaped conductor in a first orientation, and a second repeating S-shaped conductor in a second orientation that is rotated 180 degrees relative to the first orientation.

The invention relates to the technical field of antennas, in particular to a dual-frequency dual-polarization low-profile patch antenna. The dual-frequency dual-polarization low-profile patch antenna comprises a first dielectric substrate, a middle metal layer and a second dielectric substrate which are sequentially arranged, the first dielectric substrate is provided with a patch resonator and a plurality of metalized through holes, and the middle metal layer, the patch resonator and the metalized through holes jointly form an SIW resonator. The middle metal layer is provided with a first gap and a second gap. The second dielectric substrate is provided with two first microstrip resonators and two second microstrip resonators. The two first microstrip resonators are respectively used for externally connecting electromagnetic signals in different polarization directions, and the two second microstrip resonators are respectively coupled with the patch resonator and the SIW resonator through the first gap and the second gap. According to the dual-frequency dual-polarization low-profile patch antenna provided by the invention, the problems of high overall profile thickness and large size of the existing dual-frequency dual-polarization patch antenna are solved.

The invention discloses a filtering patch antenna with out-of-band high suppression and high frequency selectivity. Comprising a dielectric substrate, a radiation patch printed on the front surface of the dielectric substrate, a parasitic branch knot, an air layer, a metal ground, a feed circular hole etched in the metal ground and used for separating a feed short needle from a metal ground plane, the feed short needle inserted into the dielectric substrate, and nylon columns inserted into four corners of the dielectric substrate and the metal ground plane and used for fixing. The structure is simple and compact, the working bandwidth is widened, the out-of-band rejection capability and the frequency selectivity are remarkably enhanced, and the requirement for coexistence of multiple frequency bands is met.

A patch antenna includes: a first element; and a second element located so as to face the first element, wherein the first element includes a first main body portion facing the second element, and at least one first bent portion extending from the first main body portion toward the second element, and a wave source is generated between the second element and the first bent portion.

Provided in the present disclosure are a patch antenna, an antenna array and a communication device. The patch antenna comprises: a feed circuit, a slotted ground plane, and a first patch layer, a second patch layer and a third patch layer, which are sequentially stacked in the direction of the slotted ground plane facing away from the feed circuit and are spaced apart from each other, wherein the feed circuit comprises two feed ports and an open-loop annular feed portion connecting the two feed ports; the slotted ground plane is located on one side of the feed circuit; the slotted ground plane is provided with a plurality of slots; the slotted ground plane is spaced apart from the feed circuit; the orthographic projections of the slots on the feed circuit at least partially overlap the open-loop annular feed portion; and the first patch layer comprises a first patch, the second patch layer comprises a second patch, and the third patch layer comprises a first annular patch. The simplification of the structure of a polarization switchable antenna, the reduction of the return loss and the increase of the signal gain and impedance bandwidth are facilitated.

An antenna device configured for wireless positioning. The antenna device includes a ground plane having a polygonal shape comprising at least 4 side edges. A plurality of chip antenna elements tuned to a predetermined radio frequency are each singly provided at one of said side edges with a spacing between adjacent ones of said chip antenna elements corresponding to ½ of a wavelength of said predetermined radio frequency. A patch antenna element tuned to said predetermined radio frequency is provided at a center portion of a front side of the ground plane.

Provided herein are reconfigurable intelligent surfaces (RIS) including a surface, a source tile positioned on or proximate a first side of the surface and including a source power layer including a power amplifier and a transmitter coil configured to generate an electromagnetic field and a radio frequency (RF) layer configured to receive power from the source electromagnetic field, and a patch antenna grid for reflecting a RF signal, and a plurality of extender tiles positioned on or proximate the first side of the surface, the extender tiles each including an extender power layer including a passive transceiver coil for receiving the source electromagnetic field and relaying the source electromagnetic field as an extender electromagnetic field and an extender RF layer configured to receive power from the extender electromagnetic field, and an extender patch antenna grid for reflecting at least one of the RF signal or a second RF signal.

A patch antenna includes a radiating element; a dielectric located on one surface side of the radiating element; and a first metal body located on a side opposite to the one surface side of the radiating element, the first metal body being located so as to correspond to a wave source of the radiating element. The radiating element is located between the dielectric and the first metal body, and the first metal body and a center of the radiating element are non-overlapping in plan view, the plan view being a view in a direction perpendicular to the one surface of the radiating element.

The invention discloses a folding mark layout parameter optimization method of a deployable thin film microstrip reflective array antenna, which comprises the following steps: determining an optimization target of the thin film microstrip reflective array antenna, the optimization target comprising an inter-plate distance PD and a folding-unfolding ratio, and giving a value range of folding mark structure characteristic parameters of the reflective array antenna; establishing a thin film microstrip reflective array antenna optimization model according to a Flasher model; solving and screening the optimization model by adopting a dung beetle optimization algorithm to obtain an optimal value of the characteristic parameter; and thus, an optimal crease layout scheme is obtained. According to the invention, a film is taken as a flexible hinge of an antenna dielectric substrate, and a gap needs to be considered when the plates are folded, that is, under the condition of a determined optimization model, the distribution area of each plate is limited to be smaller than that of the original plate, so that the patch antenna is enabled to avoid a crease area.

The utility model discloses an integrated liquid crystal phased array for satellite ground communication. Comprising an upper quartz glass substrate, a lower quartz glass substrate, a liquid crystal medium arranged between the upper quartz glass substrate and the lower quartz glass substrate, polyimide films arranged above and below the liquid crystal medium, a coplanar waveguide transmission line and a slow-wave liquid crystal phase shift feed network which are arranged on the upper surface of the lower quartz glass substrate, and a plurality of slot coupling patch antenna units arranged on the upper surface of the upper quartz glass substrate, the metal ground is arranged on the lower surface of the upper substrate; the coplanar waveguide transmission line is connected with the slow-wave liquid crystal phase shift feed network, a plurality of coupling gaps are formed in the metal ground, and slow-wave liquid crystal phase shifters of the slow-wave liquid crystal phase shift feed network are correspondingly coupled with the gap coupling patch antenna units through the coupling gaps. And each slot coupling patch antenna unit is independently regulated and controlled through a corresponding slow-wave liquid crystal phase shifter so as to realize dual-beam and two-dimensional scanning. The liquid crystal phased array has the characteristics of double beams, two-dimensional scanning, high gain and easy integration.

An antenna module includes: a printed circuit board (PCB) having a plurality of layers; an array antenna portion having a plurality of antenna elements disposed on the PCB; and a plurality of signal connection lines configured to electrically connect a radio frequency integrated circuit (RFIC) chip to the array antenna portion. A second patch antenna of two patch antennas of the array antenna portion is disposed to be spaced apart from a first patch antenna and is disposed on one of the plurality of layers inside the PCB. The first patch antennas disposed on an outermost surface of the PCB are disposed in a first horizontal axis direction on the outermost surface. The second patch antennas are disposed in the first horizontal axis direction on an inner layer of the PCB.

Systems and methods for differential antenna driving are provided. In one aspect, a front end system includes at least one power amplifier configured to receive a first transmit radio frequency signal from a baseband processor, amplify the first transmit radio frequency signal, and output the amplified first transmit radio frequency signal. The front end system further includes at least one balun configured to receive the amplified first transmit radio frequency signal. The at least one balun includes a positive output coupled to a first monopole of at least one antenna and a negative output coupled to a second monopole of the at least one antenna.

The multi-layer patch antenna device comprises a lower antenna layer, a middle antenna layer and an upper antenna layer. An upper metal layer of the middle antenna layer is contacted by two feed pins which are guided through the lower and middle antenna layers. Metal layers of the lower antenna layer are connected to each other via a first hollow pin which is guided through the lower dielectric substrate layer. Metal layers of the middle antenna layer are connected via a second hollow pin which is guided through the middle dielectric substrate layer. An upper metal layer of the upper antenna layer is contacted by a further feed pin which is guided through the antenna layers and is coaxially sheathed by the first hollow pin and the second hollow pin.

The embodiment of the invention relates to the technical field of antennas, and provides a multi-mode polarization reconfigurable patch antenna, which comprises a radiation patch, a first dielectric substrate, a reflection floor, a slot structure floor, a second dielectric substrate, a first microstrip line feed structure and a second microstrip line feed structure, and is characterized in that the radiation patch is arranged on the upper surface of the first dielectric substrate; a second microstrip line feed structure is arranged on the surface of the second dielectric substrate; the second microstrip line feed structure is provided with two memristor switches, and the first microstrip line feed structure and the second microstrip line feed structure jointly form a 4-shaped feed network; the 4-shaped feed network of the patch antenna is compact in structure, a complex feed network structure is not needed, three radiation modes of left-hand circular polarization, right-hand circular polarization and linear polarization can be flexibly realized only by switching the conduction state of the memristor switch, and the adaptability and flexibility of the antenna in different communication scenes are enhanced.

The invention belongs to the technical field of communication antennas, and provides a wide-beam patch antenna which comprises a radiation patch, a grounding plate, a feed structure, a dielectric substrate and at least one group of grounding metal coupling columns. The grounding metal coupling column is located in a current belly area of a main current mode of the radiation patch, forms strong coupling with a main mode current, excites and establishes a secondary current path perpendicular to a horizontal plane direction, and enhances a low elevation angle component of antenna radiation and a beam width in a polarization direction; by establishing a four-coupling-column structure of an orthogonal mode cooperative enhancement mechanism, the half-power beam width in two orthogonal polarization directions can be effectively expanded, and wide-beam circular polarization radiation of the antenna is further realized; in addition, a single-layer dielectric substrate structure is adopted, the antenna is light and low in cost, wide beam performance is guaranteed, meanwhile, cost control and manufacturing reliability are considered, and the antenna has good feasibility.

The invention discloses a total space vector vortex generator, which comprises a plurality of tetramer super units which have the same structure and are arranged in a periodic array at equal intervals, and each tetramer super unit comprises two first chiral metamaterial unit assemblies and two second chiral metamaterial unit assemblies which are respectively arranged along diagonal lines; the first chiral metamaterial unit assembly comprises a first patch antenna, a first dielectric layer, a metal backboard, a bonding medium, a second patch antenna and a second dielectric layer which are sequentially arranged from top to bottom; the structure of the second chiral metamaterial unit assembly is the same as that of the first chiral metamaterial unit assembly, and the in-plane rotation angle is different from that of the first chiral metamaterial unit assembly; by rotating the first patch antenna and the second patch antenna of the two chiral super units around the central point, phase distribution is independently designed in four different circular polarization transmission channels, and meanwhile, vortex beam topological charges generated in corresponding channels in transmission and reflection modes are controlled, so that the transmission bandwidth can be expanded, and the transmission efficiency is improved. And the reflection and transmission efficiency is improved.

Systems, devices, and methods related to dual linear polarized wideband antennas for compact antenna arrangements are provided. An example antenna structure includes a multi-layered printed circuit board (PCB); a folded magnetoelectric antenna element including a first portion disposed on a first layer of the multi-layered PCB and a first fold portion contiguous to the first portion and extending to at least a second layer of the multi-layered PCB; and a patch antenna element disposed on a third layer of the multi-layered PCB, wherein the first, second, and third layers are separate layers of the multi-layered PCB. The antenna structure further includes a first feeding port electrically coupled to the patch antenna element, and a second feeding port electrically coupled to the patch antenna element, where the first and second feeding ports are associated with different polarizations.

The invention discloses a machine learning-assisted metasurface loading and decoupling patch antenna design method, particularly relates to the technical field of antenna design, and solves the problem that in the prior art, a metasurface loading and decoupling patch antenna design method can only realize port decoupling but cannot realize directional diagram decoupling. And the design method needs complex theoretical analysis calculation and time-consuming parameter optimization. According to the technical scheme, a data set composed of a pixelated metasurface and electromagnetic response is used for training an agent model, and a parameter optimization algorithm is combined with the trained agent model to update parameters according to a cost function; according to the method, the problem of simultaneous decoupling of the port and the directional diagram can be solved, and complex theoretical analysis calculation and time-consuming parameter optimization can be avoided.

An antenna module includes: a printed circuit board (PCB) having a plurality of layers; an array antenna portion having a plurality of antenna elements disposed on the PCB; and a plurality of signal connection lines configured to electrically connect a radio frequency integrated circuit (RFIC) chip to the array antenna portion. Each of the plurality of antenna elements may have a structure with two patch antennas, and first and second groups of second patch antennas disposed inside the PCB may be located in first and second regions with respect to a center line of an inner layer where the second patch antennas are disposed.

An antenna device comprising: an exterior body forming an accommodation space; a substrate accommodated in the accommodation space and held by the exterior body; a patch antenna accommodated in the accommodation space and disposed on the substrate; and an elastic body disposed between the exterior body and the patch antenna.

The present disclosure provides a patch antenna, comprising a first insulating dielectric substrate and a second insulating dielectric substrate which are disposed in a stacked manner, a metal layer being provided on the first insulating dielectric substrate, and a radiating patch being provided on the second insulating dielectric substrate. The patch antenna further comprises multiple strip-shaped metal structures, each strip-shaped metal structure penetrating through the first insulating dielectric substrate and the second insulating dielectric substrate, the first end of a strip-shaped metal structure being electrically connected to the metal layer, and the second end of the strip-shaped metal structure being attached to a metal sheet. The multiple strip-shaped metal structures are configured to surround the radiating patch and are spaced apart from the radiating patch, at least two strip-shaped metal structures being located at a first side of the radiating patch, and at least two strip-shaped metal structures being located at an opposite second side; the metal sheets attached to the two strip-shaped metal structures located on the same side and farthest away from each other are bent towards each other, and an included angle greater than or equal to 0 degrees and less than 90 degrees is formed between the bent metal sheets and the second surface of the second insulating dielectric substrate. In addition, the present disclosure also relates to an omni-directional antenna array and a coplanar radiation antenna array comprising the patch antenna.

The invention provides a filtering patch antenna based on three-dimensional packaging integration, which mainly comprises five layers of dielectric substrates, four layers of bonding plates and an integral circuit structure, the whole circuit structure comprises a signal transmission metal column, a coupling strip line, a quarter-wavelength strip line resonator, an open-circuit strip line branch knot, a feed strip line, a microstrip patch, a grounding metal column and a grounding plate. The novel filtering antenna provided by the invention has the characteristics of high integration level, miniaturization, high selectivity, wide stop band and packaging, and can be well applied to the field of wireless communication systems.

Embodiments relate to patch antennas and devices utilizing patch antennas. Some embodiments comprise at least two different arrays of conductive patches arranged on one side of a dielectric substrate. Each of the at least two arrays of conductive patches supports a different frequency band. Moreover, each of the at least two arrays of conductive patches is provided with separated feeding. Additionally, each conductive patch of one or more of the at least two arrays of conductive patches is implemented as a combination two conductive sub-patches separated by a gap. In some embodiments, the patch antenna is suitable for integration into a display structure of a UE or other device.

A broadband planar array antenna in one aspect of the present disclosure includes: a multi-layer board; a plurality of patch antenna patterns; and a transmission line that connects the plurality of patch antenna patterns in series. The distance from the transmission line to an end of each of the plurality of patch antenna patterns along the polarization direction of a radiated radio wave is shorter with increasing proximity to a feeding point of the transmission line.