672results about "Substantially flat resonant elements" 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.

The invention provides a wide-angle scanning dual-circularly-polarized phased-array antenna unit, which belongs to the field of dual-circularly-polarized antennas and comprises a first dielectric layer, a second dielectric layer and a third dielectric layer which are sequentially stacked, the antenna radiator is arranged on the side, away from the second dielectric layer, of the first dielectric layer, the antenna radiator comprises four radiation patches, each radiation patch comprises a metal patch and a loading branch knot, and each metal patch is provided with a slotted structure; the first metal ground layer is clamped between the first dielectric layer and the second dielectric layer, and a cross coupling gap and a first coupling gap and a second coupling gap which are perpendicular to each other are formed in the first metal ground layer; the U-shaped feeder line is clamped between the second dielectric layer and the third dielectric layer, and two ends of the U-shaped feeder line are respectively connected with a coaxial feed column penetrating through the third dielectric layer; the second metal ground layer is arranged on the side, away from the second dielectric layer, of the third dielectric layer; an array is also provided; the problem that a traditional circularly polarized antenna is narrow in impedance bandwidth and limited in polarization is solved.

Embodiments of this application provide an antenna, and an electronic device. The antenna includes a radiating patch layer, a ring-shaped metal layer, a first metal layer, and a feed element. The radiating patch layer includes four radiating patches that are distributed in a 2×2 array. The ring-shaped metal layer is disposed in correspondence with a peripheral edge part of the radiating patch layer, and is coupled and connected to the radiating patch layer. A plurality of metal columns are disposed on the first metal layer. The plurality of metal columns are electrically connected to the ring-shaped metal layer.

An elementary microstrip antenna includes a stack of layers, stacked in a direction z, the stack comprising: a first conductive radiating element of disc shape having a first centre, an axis in the direction z and passing through the first centre being called the central axis; a coupling assembly configured to couple an exciting device and the first radiating element, the coupling assembly comprising: a first slot comprising a centre called the slot centre located on the central axis; a second slot comprising a centre coincident with the slot centre, and substantially perpendicular to the first slot, the first and second slots each comprising circularly arcuate ends on the same circle centred on the slot centre; the slots and the stacked layers being configured so that a transverse footprint of the elementary antenna is disc-shaped.

Provided herein are various enhancements for radio frequency antennas and antenna assemblies. In one example, an antenna assembly includes a cavity structure comprising an interior volume surrounded by a wall and having an opening at a first longitudinal end and a cap at a second longitudinal end. A conductive material disposed on a portion of the wall of the cavity structure and the cap such that a dielectric gap is established between the conductive material and a planar antenna when the planar antenna is coupled onto the first longitudinal end of the cavity structure.

A mobile device having array antenna can be used to communicate with Earth orbiting satellites and base stations on the ground. The display screen of the mobile device has an array antenna capable of transmitting and receiving radio frequency (RF) signals in the range of 0.6 GigaHertz (GHz) to 100 GHz. The configuration of the array antenna, including the number of arrays and the dimension of the arrays, is software programmable by activating and deactivating antenna elements for multiple beams and their beam characteristics.

The invention discloses a miniaturized circular patch antenna loaded with four symmetrical L-shaped grooves, and relates to the technical field of wireless communication. The antenna comprises a circular patch, a dielectric substrate, a metal grounding plate and a coaxial line. The circular patch clings to the upper surface of the dielectric substrate, and the metal grounding plate is arranged on the lower surface of the dielectric substrate; four L-shaped grooves are formed in the circular patch, the geometric dimensions of the four L-shaped grooves are the same, and the four L-shaped grooves are symmetrically distributed around the circle center; the circular patch adopts a coaxial line for feeding, the inner conductor is connected to the circular patch, and the outer conductor is connected with the metal grounding plate. The symmetrical L-shaped grooves are etched in the circular patch, so that the resonant frequency of the antenna is effectively reduced, and the electrical size of the antenna is reduced; the antenna keeps relatively high gain and radiation efficiency, and has the advantages of simple structure and excellent performance.

An antenna apparatus includes a radiation shield between an antenna element and at least one radio frequency integrated circuit (RFIC) coupled to the antenna element. An antenna substrate includes a first dielectric layer having opposite first and second surfaces, and a first metallization layer attached to the second surface to form a ground plane. A base substrate includes at least one second dielectric layer having opposite third and fourth surfaces, and a second metallization layer having a first side attached to the third surface and a second side attached to the first metallization layer to form the radiation shield. The RFIC is RF coupled to the antenna element through at least one via extending through the base substrate and a coupling element within aligned openings of the first and second metallization layers.

An electronic device according to various embodiments may comprise: a housing; an antenna structure comprising a substrate, which comprises a first substrate surface facing a first direction and a second substrate surface facing a second direction opposite from the first substrate surface, and at least one antenna element disposed on the substrate so as to form a beam pattern in the first direction; a first support part disposed so as to at least partially correspond to the second substrate surface; a conductive bracket comprising at least one conductive extension part disposed higher than the second substrate surface with respect to the first support part; and a wireless communication circuit configured to transmit and / or receive a wireless signal in a designated frequency band by means of the at least one antenna element.

A circular polarized penta-band antenna device and a method for fabricating the antenna device are provided. The antenna device includes: a substrate; a primary L-band antenna formed on the substrate; and a plurality of secondary antennas formed on a top surface of the L-band antenna. The plurality of secondary antennas includes: an X-band antenna; a K-band1 antenna; a K-band2 antenna; and a Ka-band antenna. Each of the X-band, K-band1, K-band2, and Ka-band antennas has a corner-truncated patch structure configured to generate left-hand circular polarization (LHCP). Each of the antennas operates simultaneously to enable multi-band communication and a shared aperture is formed across all antennas.

The invention relates to an anti-interference high-selectivity omnidirectional planar filtering antenna, a filtering processing method and application, and the planar filtering antenna comprises a metal radiation layer, a first dielectric substrate, a first coupling layer, a second dielectric substrate and a second coupling layer which are sequentially stacked. The second dielectric substrate is provided with a plurality of metalized through holes which are distributed in an annular array mode and define a substrate integrated cavity with the first coupling layer and the second coupling layer, the metalized through holes divide the second coupling layer into an inner side patch and an outer side ring piece, and the inner side patch is evenly provided with a plurality of resonance grooves; and a feed probe penetrating and extending to the second dielectric substrate is arranged at the center of the bottom of the metal radiation layer. According to the invention, the substrate integrated waveguide technology is adopted, the substrate integrated cavity is formed, and a high-selectivity filtering effect is realized by utilizing the characteristic of high Q value, so that the interference of out-of-band signals is effectively inhibited, and the advantages of the patch antenna and the substrate integrated cavity are effectively combined.

The present disclosure relates to an antenna apparatus, and especially comprises: a main body module in which a main board is mounted; an RF module which is fixed to the front so that an intermediate outside air layer is formed between the RF module and the main body module, and in which an RF filter unit and an antenna element unit are mounted; and an amplification unit module which is disposed so as to be exposed in the intermediate outside air layer between the main body module and the RF module, and comprises an amplification unit substrate having analog amplification elements mounted thereon, wherein heat generated from heating elements mounted on the main board is dissipated through at least any one of the front and back of the main body module, and heat generated from the amplification unit module is directly dissipated through the intermediate outside air layer, and thus the advantage of enabling maximum heat dissipation performance is provided.

A microstrip patch log periodic antenna (MSPLPA) may include a ground plane, a dielectric material, a printed circuit board comprising a microstrip patches. Each of the microstrip patches may be configured to transmit and / or receive signals. The dielectric material may be disposed between the ground plane and the printed circuit board. Each of the microstrip patches may be frequency scaled.

The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). An antenna structure of a wireless communication system is provided. The antenna structure includes a first radiator, a first printed circuit board (PCB) in which the first radiator is arranged, a plurality of second radiators, a second PCB in which the plurality of second radiators are arranged, and a frame structure, wherein the frame structure is arranged such that an air layer is formed between the first PCB and the second PCB, and the plurality of second radiators can include a first metal patch arranged in a region corresponding to the first radiator, and a plurality of second metal patches arranged to be separated from the first metal patch so as to be fed by coupling.

The invention provides an integrated antenna integrating Beidou, low-orbit and Tiantong satellite communication and high-precision navigation positioning. A low-orbit satellite microstrip antenna, a GNSS high-precision microstrip antenna, a Tiantong microstrip antenna and a Beidou short message microstrip antenna are sequentially stacked on the upper surface of a PCB in a conical mode. A shielding cover is arranged on the lower side of the PCB; antenna radiation patches of the low-orbit satellite microstrip antenna are arranged on the outer edges of the upper surface and the lower surface of the low-orbit satellite antenna substrate and are not covered by the GNSS high-precision microstrip antenna; circuits of the low-orbit satellite microstrip antenna and the sky-pass microstrip antenna are arranged on the upper surface of the PCB circuit substrate. And circuits of the GNSS high-precision microstrip antenna and the Beidou short message microstrip antenna are arranged on the lower surface of the PCB. According to the invention, the four-in-one combined design of the antenna, the low-orbit satellite antenna, the Beidou short message antenna and the high-precision navigation antenna is adopted, so that the problem of performance insufficiency when each antenna is used independently is solved, complementation among the antenna, the low-orbit satellite antenna, the Beidou short message antenna and the high-precision navigation antenna is realized, and the cost is reduced; the electromagnetic compatibility between the antennas is improved through frequency band and polarization isolation design, and the stability of a communication link is guaranteed through interference resistance of the peripheral low-orbit satellite antenna.

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.

A patch antenna element has a plurality of patches that are coplanar, each having a length along a resonant dimension that is no greater than one-quarter of a wavelength of a maximum operating frequency of the patch antenna element. The antenna element also includes one or more discrete reactive elements. For each pair of neighboring patches of the plurality of patches, the pair forms an electrically insulating space therebetween. At least one discrete reactive element lies within the electrically insulating space and is electrically connected to both of the neighboring patches of the pair. A patch antenna combines the patch antenna element with a counterpoise that is parallel to, and displaced from, the patch antenna element. Each discrete reactive element may be an inductor or capacitor, either planar or non-planar. The patch antenna may be configured as a dual-polarization patch antenna or quarter-wave patch antenna.

Provided is an antenna module including a first antenna patch for radiating electromagnetic energy of a first frequency band, a second antenna patch for radiating electromagnetic energy of a second frequency band different from the first frequency band, and both the first antenna patch and the second antenna patch spaced apart from a ground structure in a first direction, and a feed structure spaced apart from each of the first antenna patch and the second antenna patch, the feed structure being between the first antenna patch and the second antenna patch, the feed structure being connected to the ground structure, and the feed structure being configured to provide an RF signal to the first antenna patch and second antenna patch, and the feed structure including a horizontal feed line extending in a second direction intersecting the first direction, and a vertical feed line extending in the first direction.

An antenna module includes a mounting board with a flat plate shape, and a power supply circuit to supply a radio frequency signal. The power supply circuit is mounted on the mounting board, and a radiating electrode is arranged on the power supply circuit. A dielectric fills a region around the power supply circuit and the radiating electrode. A conductive layer covers at least part of the dielectric. In the dielectric, a lens part is formed at a position overlapping the radiating electrode in plan view of the mounting board. The dielectric includes a first region in which the lens part is formed and a second region other than the first region, and the conductive layer is formed in the second region.

The present disclosure provides an antenna device configured to transmit an output radio wave to other electronic device. The antenna device includes a stacked structure and a top printed circuit board. The stacked structure includes first radiators. The first radiators are configured to radiate an intermediate radio wave, and disposed on a top surface of the stacked structure. The top printed circuit board includes second radiators. The second radiators are configured to receive the intermediate radio wave and radiate the output radio wave according to the intermediate radio wave, and disposed on a bottom surface of the top printed circuit board. The bottom surface of the top printed circuit board is facing the top surface of the stacked structure.

According to various embodiments, an electronic device includes: a housing including: a front surface plate; a rear surface plate facing toward the opposite direction of the front surface plate; and a side surface member surrounding a space between the front surface plate and the rear surface plate, the side surface member having a substantially rectangular shape when viewed above the front surface plate; a first PCB arranged in the space; a first wireless communication circuit; a substrate; a first antenna array protruding from the first side of the substrate toward the first portion; a second antenna array protruding from the second side of the substrate toward the second portion; and a second wireless communication circuit. Various other embodiments are possible.

An embodiment of the present disclosure provides an antenna and a communication system, and belongs to the field of communication technology. The antenna according to an embodiment of the present disclosure includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate.

Provided is an antenna integrated structure in which an antenna is inserted into ground vehicle, marine ship and aircraft structure, and more particularly, a sandwich panel type antenna integrated latticecore having a structure for improving communication performance of an antenna module.

A stacked patch antenna (1) comprising at least an upper patch antenna (2) having a radiating element and a lower patch antenna (3) having a radiating element, wherein the upper patch antenna (2) is a cavity-backed patch antenna having a wall (4) that laterally surrounds the radiating element, the lower patch antenna (3) is a cavity-backed patch antenna having a wall (4') that laterally surrounds both the radiating element of the lower patch antenna (3) and the radiating element of the upper patch antenna, and the upper patch antenna (2) comprises a 1 / 4 wavelength shunt stub (5) as a parasitic element.

The invention discloses a broadband low-scattering reflection surface based on a back-loaded active microstrip network, which integrates an antenna unit with the back-loaded active microstrip network to control the response of the low-scattering reflection surface to incoming waves. Wherein the antenna unit sequentially comprises a top dielectric matching layer, a dipole patch, a first dielectric substrate, a coupling capacitor metal disc, a second dielectric substrate, a metal floor and a third dielectric substrate from top to bottom; the back-loaded active microstrip network is arranged below the third dielectric substrate; after receiving an incident wave, the antenna unit transmits the incident wave into the back-loaded active microstrip network, and after network processing, the incident wave is radiated to a free space through the antenna unit; the back-loaded active microstrip network realizes phase control of TE polarized reflected waves by adjusting the on-off state of the PIN tube, and realizes absorption of TM polarized incoming waves by loading a resistor in the middle of the short-circuit microstrip line. According to the invention, low profile and miniaturization are ensured, and wave absorbing and active scattering regulation and control functions are realized at the same time.

The invention discloses a broadband external suppression filtering antenna, which relates to the technical field of antennas and comprises a multimode resonant structure, and a metal layer I, a dielectric layer I, a metal layer II, a dielectric layer II, a dielectric layer III and a floor which are connected in sequence, a plurality of first metal through holes penetrating through the second dielectric layer are formed in the second dielectric layer, a plurality of second metal through holes penetrating through the third dielectric layer are formed in the third dielectric layer, the first metal through holes correspond to the second metal through holes in a one-to-one mode, and the first metal through holes are communicated with the corresponding second metal through holes to form longitudinal through holes. The second metal layer, the floor and all the longitudinal through holes jointly define an SIW cavity. The multi-mode resonance structure is arranged between the dielectric layer II and the dielectric layer III, the multi-mode resonance structure is arranged in the SIW cavity, and an excitation through hole penetrating through the multi-mode resonance structure is formed in the multi-mode resonance structure. The filter antenna has wider out-of-band rejection, and the miniaturization design of the filter antenna can be realized.

To provide an antenna device that can achieve wide-angle radiation directivity by using a single patch antenna, without increasing the size of the device or complicating the configuration that would accompany an array.SOLUTION: An antenna device 1 constructed using a dielectric substrate includes a patch antenna 20 formed on a specified conductor layer, a cavity 12 formed in a dielectric layer 11 arranged on the specified conductor layer and having a shape surrounding the patch antenna 20 in a planar view seen from the Z direction, which is the thickness direction of the dielectric substrate, and ground conductors 21, 22, and 23 arranged opposite the dielectric layer 11 in the Z direction, sandwiching the specified conductor layer therebetween.SELECTED DRAWING: Figure 2

The application provides a signal feed assembly, which comprises a substrate, a signal coupling unit, a switching unit and a transmission unit. The switching unit comprises a control terminal, a common terminal and at least two switching output terminals. The control terminal and the common terminal are electrically connected to the transmission unit, so as to transmit baseband signals and radio frequency signals through the transmission unit. The signal coupling unit is arranged apart from a radiating element, so as to transmit radio frequency signals through the radiating element to generate multiple radiation modes. The signal coupling unit comprises at least two coupling patches, each of which is electrically connected to a corresponding switching output terminal. The switching unit controls the switching of the coupling patches through the switching output terminals to switch the multiple radiation modes. The application comprises a modular signal feed assembly and a metal radiating element, so as to form a corresponding antenna module to cover multiple frequency bands, improve the frequency width and have the best antenna efficiency. The application also provides an antenna module and an electronic device.

The invention provides a metal patch loaded miniaturized dielectric resonator antenna for a base station, and relates to the technical field of wireless communication, a specific parasitic metal patch is introduced at the bottom of a dielectric resonator, the limitation that the traditional design only depends on geometric dimension to adjust the frequency is broken through, the TM12 high-order mode frequency is obviously pulled down to be close to a fundamental mode TM10 and fusion is realized, and the antenna has the advantages of being simple in structure and convenient to use. On the premise that the size of the antenna is not increased, the working bandwidth is expanded to 3.4-4.0 GHz. Through the structural design, a cross-shaped groove structure is loaded in the central area of the dielectric resonator, a current path of a TM20 parasitic mode is cut off accurately, directional diagram distortion and cross polarization interference caused by the mode are effectively suppressed, and it is ensured that the antenna has stable radiation performance. Therefore, the antenna has excellent broadband and radiation characteristics, can still keep compact physical size, low profile structure and simple processing technology, and meets the urgent demand of a microwave frequency band wireless communication terminal on high performance and miniaturization antennas.

The application belongs to the technical field of antennas, and discloses an S / Ka-band common-aperture antenna and communication equipment, which comprises a first dielectric plate and a second dielectric plate stacked from top to bottom; the top surface, the middle and the bottom surface of the first dielectric plate are respectively provided with a rectangular patch array, a first metal through hole and a first metal layer; wherein the rectangular patch array, the first metal through hole and the first metal layer form a magneto-electric dipole antenna array; the magneto-electric dipole antenna array works in the Ka-band and is used for realizing satellite communication; the top surface, the middle and the bottom surface of the second dielectric plate are respectively provided with a second metal layer, a second metal through hole and a third metal layer; wherein the second metal layer, the second metal through hole and the third metal layer form a low-profile monopole antenna; the low-profile monopole antenna works in the S-band and is used for realizing ground equipment communication; the application has a simple structure, can realize different beams and polarization characteristics, effectively improves the space utilization rate of the antenna and has high integration.