233 results about "Millimeter wave antennas" patented technology

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.

A mobile terminal includes: a casing including a metal frame and a rear cover, wherein the metal frame is provided with a plurality of slots to divide the metal frame into a plurality of metal parts arranged at intervals; an antenna bracket being provided with a plurality of wirings; a first antenna assembly including a plurality of antenna structures, wherein the plurality of antenna structures are formed based on a plurality of metal parts arranged at intervals and a plurality of wirings, and a working frequency band of the plurality of antenna structures is a sub-6G frequency band; and a second antenna assembly including a plurality of millimeter-wave antenna modules, wherein a working frequency band of the plurality of millimeter-wave antenna modules is a millimeter-wave frequency band.

An electronic device is provided. The electronic device includes a first housing, a second housing coupled to the first housing through a hinge structure to be rotatable about a first axis that faces a first direction, a first cover covering a rear surface of the first housing, a second cover covering a rear surface of the second housing, a flexible display defining a front surface of the electronic device and disposed over the first housing and the second housing, an antenna module, and at least one processor electrically connected to the flexible display and the antenna module, wherein the hinge structure is disposed in an area having a first width in a second direction that is perpendicular to the first direction with respect to the first axis, wherein the first housing has a first structure covering the hinge structure within the first width, wherein the first structure has an accommodation groove, in which the antenna module is accommodated, and wherein the at least one processor is configured to transmit and receive a high-frequency (millimeter wave) signal corresponding to a third direction that is perpendicular to both the first direction and the second direction by using the antenna module.

The invention provides a low-profile dual-frequency dual-polarization common-caliber antenna based on a hollow metasurface, relates to the technical field of microwave and millimeter wave communication, and solves the technical problem that no common-caliber antenna capable of simultaneously realizing low profile, multi-frequency band, multi-polarization and high radiation performance exists in the prior art. According to the technical scheme, a hollowed-out metasurface is adopted as a microwave antenna radiation body, the unit structure is a square ring, and a hollowed-out area can contain a millimeter wave antenna unit. Meanwhile, the hollowed-out effect of the microwave metasurface can prolong the current path on the unit and reduce the resonant frequency, which is equivalent to the miniaturization of the antenna and meets the requirements of the terminal. The center frequency of the microwave antenna is set to be 4.9 GHz, and the space between the metasurface units is 0.58 lambda H, so that a millimeter wave array can realize a phase control function.

The invention discloses an end-fire millimeter wave antenna with a dual-polarization filtering characteristic, which comprises a horizontal polarization end-fire filtering antenna unit and a vertical polarization end-fire filtering antenna unit, and the horizontal polarization end-fire filtering antenna unit and the vertical polarization end-fire filtering antenna unit form a shared aperture to realize fusion. The end-on-fire structure has the remarkable advantages that firstly, compared with an edge-on-fire antenna, the end-on-fire antenna can provide a relatively balanced radiation characteristic in a more compact space, so that interference of a metal back shell in the terminal equipment on a radiation mode is effectively avoided, and the radiation efficiency and the performance stability of the antenna are remarkably improved; secondly, the design of the end-fire dual-polarization filtering antenna is realized by adopting a fusion mode, the integration performance of the antenna and a radio frequency front-end system is optimized, and the antenna has remarkable advantages in the aspects of reducing the size, improving the bandwidth, enhancing the anti-interference capability, improving the operation stability and the like; and a brand new technical scheme is provided for efficient operation of the radio frequency front end in the terminal equipment.

A portable communication device is provided. The portable communication device includes a foldable housing including a first housing and a second housing, a hinge structure coupled with the first housing and the second housing, a flexible display accommodated in the first housing and the second housing, a communication processor accommodated in the foldable housing, and an antenna module electrically connected with the communication processor and configured to transmit and / or receive a millimeter wave signal, wherein the antenna module is disposed in a peripheral portion of the first housing such that, when the foldable housing is fully unfolded, at least a portion of the antenna module is overlapped with the hinge structure when viewed from above the hinge structure.

The invention provides a millimeter wave antenna, a millimeter wave base station antenna and a millimeter wave isolation structure. The antenna comprises a parasitic radiation layer, a main radiation layer and a grounding layer which are sequentially stacked from top to bottom, the parasitic patch on the parasitic radiation layer and the main radiation patch on the main radiation layer can respectively form resonance points and are coupled, so that the bandwidth expansion of the antenna is realized; the upper surface of the grounding layer is provided with a coupling structure, and the lower surface is provided with a feed structure. The feed structure and the coupling structure achieve a dual-polarization mode through two vertically-arranged microstrip gaps, feed signals can be transmitted and coupled to the main radiation layer more effectively, and the wide-beam antenna performance is achieved. Therefore, the antenna has good radiation efficiency in the frequency bands of N257, N258 and N261, and better meets the application requirements of 5G millimeter wave base station antennas. Meanwhile, excellent isolation performance is also realized; in addition, the base station antenna has the advantages of being simple in design and process.

An electronic device may have a phased antenna array. An antenna in the array may include a rectangular patch element with diagonal axes. The antenna may have first and second antenna feeds coupled to the patch element along the diagonal axes. The antenna may be rotated at a forty-five degree angle relative to other antennas in the array. The antenna may have one or two layers of parasitic elements overlapping the patch element. For example, the antenna may have a layer of coplanar parasitic patches separated by a gap. The antenna may also have an additional parasitic patch that is located farther from the patch element than the layer of coplanar parasitic patches. The additional parasitic patch may overlap the patch element and the gap in the coplanar parasitic patches. The antenna may exhibit a relatively small footprint and minimal mutual coupling with other antennas in the array.

The invention relates to the field of millimeter-wave phased-array antennas, and discloses a millimeter-wave broadband wide-angle scanning phased-array antenna, and the antenna comprises a protection cover which serves as a frame for bearing an overall structure and is used for protecting a circuit and an electronic assembly; the oscillator array layer is arranged in the protective cover and is used for radiating and receiving millimeter wave electromagnetic signals; the electromagnetic isolation layer is arranged at the bottom of the protection cover and is used for suppressing a mutual coupling effect between the array units and improving impedance matching; and the feed network layer is arranged at the bottom of the electromagnetic isolation layer and is used for accurately distributing signal power to each oscillator unit in the oscillator array layer and controlling the amplitude and phase of each unit signal. According to the invention, the oscillator array layer in non-uniform gold spiral arrangement is accurately driven through the intelligent control and signal processing layer, so that excellent beam directivity and gain retention capability of the millimeter wave antenna during wide-angle scanning are realized, and the problems of beam distortion and sharp gain drop which are easy to occur during wide-angle scanning of the millimeter wave antenna are solved.

The low radar observability anti-radiation module comprises a millimeter wave antenna array, a microwave antenna array, a millimeter wave module, a microwave module, a power supply module and a digital processing module, the millimeter wave antenna array receives electromagnetic wave signals and transmits the electromagnetic wave signals to the millimeter wave module, and the millimeter wave antenna array converts eight paths of microwave signals into millimeter wave signals, transmits the millimeter wave signals and receives the reflected millimeter wave signals; the millimeter wave module receives the electromagnetic wave signal, then converts the electromagnetic wave signal to an X wave band after amplitude limiting, filtering and amplifying, and outputs the X wave band to the microwave module; the microwave antenna array receives an electromagnetic wave signal and transmits the electromagnetic wave signal to the microwave module; and the microwave module converts the electromagnetic wave signal and the X-waveband signal output by the millimeter wave module into intermediate frequency after amplitude limiting, filtering and amplifying, and outputs the intermediate frequency to the digital processing module.

An antenna system for radio mobile communications in vehicles having at least one remote antenna module connected with a cable to a central control unit; the remote antenna module having: a plurality of radiant elements, an RF front end and a control interface; the central control unit having: a signal processor, and a control interface; the control interface of the remote antenna module and the control interface of the central control unit are suitably configured for transmitting the input / output data signals and the control signals over the cable in order to control the control interface and the RF front end of the remote antenna module.

The invention discloses an intelligent scanning detection system for full-band electromagnetic signals. The intelligent scanning detection system comprises a signal acquisition module for acquiring full-band electromagnetic signals by adopting a three-stage cascade radio frequency chain design; the signal integration module optimizes and selects the optimal unit spacing through an improved genetic algorithm, receives the full-band electromagnetic signals based on the integrated millimeter wave antenna array of the optimal unit spacing, and outputs optimized electromagnetic signals; the intelligent scanning module is used for dividing different frequency band signals according to the different frequency band signals in the optimized electromagnetic signals, formulating corresponding scanning strategies and outputting scanning electromagnetic signals; and the signal processing module is used for extracting three-dimensional comprehensive characteristics including time-frequency-space from the scanning electromagnetic signals, determining the three-dimensional comprehensive characteristics with potential relation based on similarity matching, and carrying out enhancement processing through an improved CAPN beam forming algorithm to obtain optimal signal representation, so that intelligent signal scanning and analysis are realized, and the accuracy and the reliability of the system are improved. Valuable signal representation can be rapidly and accurately obtained from a complex electromagnetic environment.

A millimeter-wave antenna module includes a circuit board and a plurality of millimeter-wave antenna structures. Each of the millimeter-wave antenna structures includes a substrate assembly, a feeding opening structure, a feeding stripline, and a shielding cover. The feeding opening structure and the feeding stripline are each disposed in the substrate assembly, and a portion of the feeding stripline is exposed in the feeding opening structure. The feeding opening structure is covered by the shielding cover, a side of the shielding cover has an opening, and a height of the shielding cover is increased along a direction toward the opening. The feeding stripline is configured to emit an electromagnetic wave signal in a single and horizontal direction through the feeding opening structure and the shielding cover.

The invention relates to the technical field of antennas, in particular to a millimeter wave FPC multi-domain self-adaptive tuning antenna and a tuning method thereof, and the method comprises the following steps: S1, constructing an antenna initial topology and frequency model; s2, generating a bionic structure by adopting a topological self-growing algorithm based on the power density distribution; s3, a tuning material with a physical response characteristic is embedded, and impedance and frequency are adjusted by externally stimulating the tuning material; s4, arranging a liquid metal microfluidic channel in the key area, and dynamically reconstructing a conduction path; s5, combining AI image recognition and near field detection to obtain antenna state data; and S6, inputting the acquired antenna state data to an optimization control unit for closed-loop tuning. According to the millimeter wave FPC antenna, structure self-adaption and frequency self-tuning of the millimeter wave FPC antenna in a complex environment are achieved, and the problem that a traditional antenna is unstable in performance in disturbance and frequency change scenes is effectively solved.

Systems and methods are provided for inline process monitoring (e.g., remote inline process monitoring) for scalable and precision high-yield manufacturing. Antenna probes, such as millimeter (mm) wave (mmWave) antenna (mWA) probes, can be introduced into fabrication equipment to reveal the nature of hidden conductor and / or dielectric defects, as well as via-pad and / or device pad-trace misalignments, going beyond automated optical inspection (AOI) or contact probing.

The utility model relates to the technical field of millimeter wave antennas, and discloses a communication device and a millimeter wave antenna, comprising a substrate, the upper surface of the substrate is provided with a PCB, the upper surface of the PCB is provided with a radio frequency chip, the upper surface of the radio frequency chip is provided with a plurality of groups of first bonding alloy wires and a plurality of groups of second bonding alloy wires, two groups of antenna grounds are arranged at two ends of the upper surface of the PCB; one end of the first gold bonding wire can be conveniently moved through the adjusting part, so that the gap between the first gold bonding wire and the PCB is adjusted, the gap between the first gold bonding wire and the PCB is prevented from being too large, the consistency and reliability of signals in a vibration or impact environment are improved, the protection effect on the antenna is improved, and the service life of the antenna is prolonged. And the heat generated by the radio frequency chip is led out under the action of the heat conducting plate, so that the heat is dissipated through the plurality of groups of heat dissipation blades, thereby improving the heat dissipation effect on the communication equipment and prolonging the service life of the equipment.

The embodiment of the invention relates to the technical field of millimeter wave antennas, and discloses a millimeter wave antenna and a radar system.The millimeter wave antenna comprises a waveguide structure, a metallization layer, an isolation structure and a welding structure, and the waveguide structure comprises a first waveguide assembly and a second waveguide assembly; the first waveguide assembly and the second waveguide assembly are oppositely arranged to form a combination surface, the combination surface is provided with a functional area and a welding area, the functional area forms a millimeter wave transmission channel, the metalized layer covers the waveguide structure, the isolation structure is arranged between the welding area and the functional area, and the metalized layer covers the isolation structure. The isolation structure is used for preventing the soldering tin from diffusing from the soldering area to the functional area, in this way, effective separation of the soldering function and the waveguide performance function can be achieved, the isolation structure can effectively prevent the soldering tin from diffusing to the functional area, and it is ensured that the geometric dimension and the internal state of the millimeter wave transmission channel are kept stable; and the consistency of the electromagnetic performance of the antenna core is maintained.

The application discloses a low-profile wave beam regulation millimeter wave antenna loaded with Huygens super surface, which comprises a non-biased substrate integrated waveguide slot array antenna and a near-field Huygens super surface; the non-biased substrate integrated waveguide slot array antenna is composed of a first dielectric substrate, metal structures printed on the top and bottom of the first dielectric substrate, a slot array etched on the metal structures and metal through holes in the first dielectric substrate; the near-field Huygens super surface comprises a second dielectric substrate and metal structures on the top and bottom of the second dielectric substrate; the non-biased substrate integrated waveguide slot array antenna serves as an excitation source to provide a spherical wave, and the near-field Huygens super surface is used for precisely regulating the phase distribution above the slot array antenna. The application has the characteristics of low profile and can realize two-dimensional wave beam regulation based on different super surface distributions.

A high-gain millimeter wave antenna structure and a millimeter wave antenna module. The high-gain millimeter wave antenna structure includes a first reflective plate, a second reflective plate and a millimeter wave antenna module disposed between the first and the second reflective plates. When the millimeter wave antenna module is configured to provide an original millimeter wave signal, the original millimeter wave signal provided by the millimeter wave antenna module is reflected by the first and the second reflective plates in sequence to form an operating millimeter wave signal transmitted in a same predetermined direction. Therefore, an operating antenna gain of the operating millimeter wave signal provided by the cooperation of the millimeter wave antenna module, the first reflective plate and the second reflective plate is greater than an original antenna gain of the original millimeter wave signal provided by the millimeter wave antenna module.

The present invention relates to the field of wireless communication technology, and discloses a reconfigurable millimeter wave antenna, comprising: a radiation component composed of 2×2 array radiation units on a first substrate; a T-shaped first power divider on the first substrate, with the two ends of the head arranged between the radiation units; a II-shaped first feeding branch on the second substrate, with a cross coupling slot facing the radiation unit at the end, and a straight coupling slot facing the head of the first power divider in the middle; an I-shaped second power divider on the fourth substrate, with the other end arranged facing the middle of four radiation units and a straight coupling slot; an I-shaped second feeding branch on the third substrate, with a straight coupling slot facing the radiation unit at the end, and a straight coupling slot facing the second power divider in the middle. The reconfigurable millimeter wave antenna can realize different radiation patterns when fed by different feeding networks, thereby realizing the switching of narrow beam and wide scanning angle in one antenna.

The present application provides a MIMO hybrid antenna array and its design and measurement method. The hybrid antenna array provided by the present application includes: a chip layer; a plurality of microwave antenna elements and a plurality of millimeter wave antenna elements are arranged on the chip layer, and the area of ​​a single microwave antenna element is larger than the area of ​​a single millimeter wave antenna element; a circuit connection layer is provided under the chip layer, and a plurality of microwave antenna elements and a plurality of millimeter wave antenna elements are respectively connected to output circuits, and the received signals are output to the same controller; the controller is used to simultaneously receive composite signals sent by the same target object, and process the microwave signals and millimeter wave signals respectively. The MIMO hybrid antenna array provided by the present application and its design and measurement method are used to realize the coordinated transmission and reception of microwave signals and millimeter wave signals, improve the performance of wireless communication systems in complex environments, expand the signal coverage range and improve the signal transmission accuracy.

The utility model provides a high-frequency millimeter wave digital isolator which comprises an emitter, a receiver and an integrated isolation device, the integrated isolation device comprises a first millimeter wave antenna and a second millimeter wave antenna, and the first millimeter wave antenna and the second millimeter wave antenna are arranged on the same horizontal plane. An isolation belt is arranged between the first millimeter wave antenna and the second millimeter wave antenna, the first millimeter wave antenna is connected with the transmitter, the second millimeter wave antenna is connected with the receiver, signals are transmitted between the transmitter and the receiver through an integrated isolation device, and the receiver comprises a second matching network, an envelope detector and an output buffer. And the second millimeter wave antenna, the second matching network, the envelope detector and the output buffer are connected in sequence. And the receiver adopts the design of replacing the existing amplifier and demodulator with an envelope detector, so that the power consumption is effectively reduced. The two millimeter wave antennas are arranged in parallel on the same horizontal plane, so that the risk of open circuit caused by collapse can be effectively avoided. And the isolation efficiency and the transmission efficiency are maintained.

The invention discloses a millimeter wave antenna and a millimeter wave radar, and relates to the technical field of in-vehicle monitoring, and the millimeter wave antenna comprises a grounding layer, a base layer and a radiation structure. The grounding layer is used for being laid or embedded in the ground. The base layer is stacked above the grounding layer, in the vertical direction, the middle position of the base layer is partially hollowed out to form a hollowed-out position, and the hollowed-out position is used for containing the grounding part; the radiation structure is arranged right above the base layer, the radiation structure comprises a feed layer, a plurality of feeder lines and a plurality of antennas, the feed layer is arranged above the base layer and is located right above the hollow position, each feeder line is at least partially embedded into the feed layer, the plurality of antennas are correspondingly and electrically connected with the plurality of feeder lines, and each antenna and the hollow position are arranged in a staggered manner in the horizontal direction; wherein the feed layer is provided with a plurality of via holes around each feed line, and each via hole penetrates through the feed layer and a part of the base layer and is used for being electrically connected with the grounding part; according to the technical scheme provided by the invention, the antenna has larger antenna bandwidth while facilitating layout.

This invention provides a millimeter-wave antenna and a mobile terminal. The millimeter-wave antenna sequentially includes a first metal layer, a dielectric substrate, and a second metal layer. The dielectric substrate includes a first surface and a second surface. The first surface is covered by the first metal layer, and a slot structure is formed in the first metal layer. The second surface is covered by the second metal layer, and a first feed port and a second feed port are formed in the second metal layer, spaced apart. A plurality of spaced metal vias are provided at the edge of the slot structure, and the metal vias are longitudinally connected to the first metal layer and the second metal layer. The millimeter-wave antenna of this invention can achieve dual-polarized radiation with a single antenna, reducing the number of antennas required and lowering production costs.

The present invention discloses a millimeter-wave PCB antenna structure, comprising a dielectric block, wherein four first-layer radiators are mounted on the upper surface of the dielectric block, an isolation metal body is fixedly connected to the upper surface of the dielectric block, a plurality of antenna grounding metal bodies are fixedly connected to the lower surface of the dielectric block, a plurality of feeding contact points are fixedly connected to the lower surface of the dielectric block, a second-layer radiator is arranged on the lower surface of the first-layer radiator, a third-layer radiator is arranged on the lower surface of the second-layer radiator, a feeding post is arranged on the upper surface of the dielectric block, and a plurality of feeding holes are opened on the upper surface of the dielectric block. In this millimeter-wave PCB antenna structure, the third-layer radiators are connected via coupling and the second-layer radiators are directly connected, and the first-layer radiators and the second-layer radiators are coupled, thereby increasing the high-frequency bandwidth of the antenna. Furthermore, the antenna structure has a simple manufacturing process, can realize a dual-frequency structure in the millimeter-wave band, has dual-polarization radiation characteristic gain, and is highly practical.

A head-mounted device may have a head-mounted housing that is configured to be worn on a head of a user. While the head-mounted device is being worn, left and right displays in optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing publicly viewable display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. Millimeter wave antennas may be mounted under a dielectric member that is interposed between the antennas and an edge portion of the transparent housing portion. The antennas may have planar outer surfaces. The dielectric member may have a planar surface separated from the planar outer surfaces by air gaps and a curved outer surface.

Aspects described herein include millimeter wave integrated hinges. In one aspect, wireless communication apparatus includes a bracket, a first pivot structure attached to the bracket configured to pivot the bracket around a first line, and a second pivot structure attached to the bracket and configured to pivot the bracket around a second line, wherein the second line is parallel to the first line. A millimeter wave antenna array is mounted to the bracket such that the mmW antenna array is positioned between the first line and the second line.

This disclosure discloses a millimeter-wave antenna device and a millimeter-wave antenna base station, belonging to the field of antenna technology. The millimeter-wave antenna device includes a transmitting module, a receiving module, an radome with wave transmission characteristics, and a base with electromagnetic wave shielding characteristics. The radome is fixedly connected to the base to form a cavity, and the transceiver modules are located inside the cavity and spaced apart on the base. An absorbing material layer is provided on the side of the radome facing the base, and the projection of the absorbing material layer onto the base lies between the transceiver modules. The absorbing material layer comprises the following components in parts by weight: 10-60 parts thermoplastic resin, 40-85 parts absorbing powder, and 2-15 parts toughening agent, wherein the absorbing powder includes carbonyl iron powder, and the particle size D50 of the carbonyl iron powder is 1μm-6μm. The absorbing material layer has strong normal and wide-angle absorption efficacy for millimeter waves in the 24.25GHz-29.5GHz frequency band, effectively reducing millimeter wave reflection interference from the base and improving signal isolation between the transceiver modules.

The invention provides a low-dielectric low-loss polyolefin-based composite substrate with low ceramic filling amount and a preparation method thereof, and particularly relates to the technical field of high-frequency composite material substrates. The composite substrate comprises the following components in parts by weight: 25 to 45 parts of polyolefin resin; 0.5 to 1.5 parts of a curing agent; 49 to 65 parts of ceramic powder; 5-7 parts of glass fiber cloth; 0.5 to 1.5 parts of a silane coupling agent; glass fiber cloth is used for supporting, and the raw rubber sheet is subjected to sealed hot-pressed sintering to control rubber flow. The method has the characteristics of low ceramic filling amount, low dielectric constant, low dielectric loss and low water absorption rate, is suitable for manufacturing high-precision high-frequency electronic device substrates for 5G communication, millimeter wave antennas and the like, is simple, and has large-scale production feasibility.