476results about "Modular arrays" patented technology

An antenna apparatus includes an antenna substrate with opposite first and second surfaces; and a PCB having opposite first and second surfaces. Antenna elements are disposed at the first surface of the antenna substrate. Electrically conductive columns, each having a first end attached to the second surface of the PCB and a second end attached to the second surface of the antenna substrate, secure the PCB to the antenna substrate and provide an electrical interconnect between the PCB and the antenna substrate. RFIC chips are each attached to the second surface of the antenna substrate and are coupled to the antenna elements. At least one circuit element is attached to the first surface of the PCB and electrically coupled to at least one of the RFIC chips through at least one of the electrically conductive columns.

The subject matter described herein relates to various antenna element configurations, antenna array configurations, their operations including various systems and methods to generate modulated data for transmission by an RF antenna array via an optical processing engine. The subject matter includes optical processing engine structure and methods (e.g., modulating in the optical domain, MIMO and spatial modulation via RF beam formation, coherent transmission of RF signal components, coherent operation of spatially separate RF antenna arrays) that may be implemented with the various RF antenna array structures. In some examples, the system combines the virtues of digital, analog and optical processing to arrive at a solution for scalable, non-blocking, simultaneous transmission to multiple UE-s. Much of the system architecture is independent of the RF carrier frequency, and different frequency bands can be accessed easily and rapidly by tuning the optical source (TOPS). In some examples, multiple communication channels may be transmitted simultaneously to different locations. The transmitter may be formed by an array of optically fed antennas.

The invention provides a beam scanning device, and the device comprises an antenna module, the antenna module comprises S antenna arrays, and S is an integer greater than 1; a coverage area of the satellite communication system is divided into S sub-areas according to quadrants, and each antenna array is used for carrying out beam scanning on one sub-area. The invention also provides an antenna array determination method and a satellite communication system. The technical problem of how to realize large-angle beam scanning by a satellite communication system is at least solved.

The invention provides a tri-polarization meter-wave antenna unit which is composed of five dielectric layers and six metal layers. Wherein the six metal layers comprise a top-layer square parasitic patch surrounded by a metal decoupling square ring, a middle square radiation patch, a bottom-layer circular patch loaded by an annular metal short circuit column, a ground plane 1, a feed strip line and a ground plane 2 in sequence from top to bottom. Wherein the lower layer is a circular patch antenna loaded with an annular metal column, and provides a monopole-like vertical polarization horizontal omnidirectional radiation pattern. In the structural design of the upper-layer horizontal polarization radiator, in order to realize the characteristic of horizontal polarization, an edge-fed square microstrip patch antenna structure is adopted, and the antenna is simple in structure, easy to realize and capable of generating two polarized orthogonal directional diagrams in the zenith direction. Meanwhile, a capacitive parasitic patch and a dielectric layer are loaded above the square microstrip patch antenna, so that the Q value can be further reduced, and double resonance points are introduced, so that the bandwidth of the antenna is further expanded.

An antenna assembly has a solar layer having one or more solar cells generating solar power, an antenna layer connected to the solar layer and having electronic components utilizing the solar power generated by the solar layer, and a thermal dissipation device dissipating heat locally at the antenna assembly. A large number of antenna assemblies are connected to form an antenna array in which heat is generated locally at each antenna assembly and dissipated locally at each antenna assembly.

Liquid crystal antenna, splicing liquid crystal antenna, and method of forming liquid crystal antenna are provided. The liquid crystal antenna includes support structures, liquid crystals, a first substrate and a second substrate. The first substrate and the second substrate are arranged oppositely, the support structures are arranged between the first substrate and the second substrate, the first substrate includes first metal layers arranged on a side of the first substrate facing the second substrate, the second substrate includes a second metal layer arranged on a side of the second substrate facing the first substrate. The second metal layer includes functional part and spacers, the functional parts and the first metal layers are stacked along a first direction perpendicular to the second substrate, and the functional parts at least partially overlap the first metal layers. The support structures are arranged between the spacers and the first metal layers.

An antenna array has a plurality of square or rectangular antenna assemblies. Each assembly includes a first antenna assembly surface with a solar cell and a second antenna assembly with one or more antenna elements. The antenna assemblies are interconnected without gaps therebetween to form a first contiguous array surface comprised of the first antenna assembly surfaces and a second contiguous array surface comprised of the second antenna assembly surfaces. The antenna assemblies are connected together by mechanically stored-energy connectors, such as spring tape, that self-deploy the array in space without the use of electric energy.

Example directional couplers and devices including one or more directional couplers are disclosed. In an example, a directional coupler comprises a first electrically conductive portion and a second electrically conductive portion, a first ground plane electrical conductor disposed in a plane between the first electrically conductive portion and the second electrically conductive portion, and a second ground plane electrical conductor and a third ground plane electrical conductor disposed such that the first and second electrically conductive portions and the first ground plane electrical conductor are between the second and third ground plane electrical conductors. The first ground plane electrical conductor includes at least one hole directly between the first electrically conductive portion and the second electrically conductive portion.

Devices and systems for increasing the gain and / or offering multiple antenna frequencies while conserving space on the antenna are provided. According to various aspects of the technology, panels with antenna elements are stacked to create a MIMO antenna array with more antenna elements while conserving space. In some aspects, the antenna elements are the same size and produce the same frequency while their physical configuration increases the gain of the antenna. In alternative aspects, the antenna elements are different sizes and produces different frequencies such that the antenna offers a greater variety or bandwidth of frequencies while conserving physical space on the antenna (i.e., maximizing a total quantity of antenna elements associated with the antenna). Using an antenna system and device with an increased quantity of antenna elements increases one or more of the system capacity, data rates, reliability, gain, coverage range, and the like.

The invention provides a frequency selective surface structure, an antenna system and a base station. The frequency selective surface structure comprises a frequency selective surface, a feed network and a phase shifter. The frequency selective surface comprises a metal layer, the phase shifter is electrically connected with the feed network, and the phase shifter and the feed network are integrated on the metal layer of the frequency selective surface. In addition, the frequency selective surface structure can reduce transmission loss under the condition that the phase shifter does not shield antenna beams, the coverage range and the transmission quality of antenna signals can be considered, and the problem that the phase shifter in the multi-band integrated antenna system is difficult to arrange is solved.

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.

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.

A base station antenna includes a first antenna having first and second spaced-apart columns of first radiating elements therein, which are configured to operate within a first frequency band. An active antenna system (AAS) is provided, which is configured to operate within a second, typically higher, frequency band. The AAS includes a second antenna within a space between the first and second columns of first radiating elements. These first radiating elements may include tilted feed stalks which support higher integration by enabling the first radiating elements to overhang at least a portion of the second antenna.

A base station antenna includes a first antenna having first and second spaced-apart columns of first radiating elements therein, which are configured to operate within a first frequency band. An active antenna system (AAS) is provided, which is configured to operate within a second, typically higher, frequency band. The AAS includes a second antenna within a space between the first and second columns of first radiating elements. These first radiating elements may include tilted feed stalks which support higher integration by enabling the first radiating elements to overhang at least a portion of the second antenna.

The invention provides a multifunctional C-band dual-polarization phased-array antenna system, and relates to the technical field of wireless signals. The system comprises an antenna array surface, a digital beam forming module, a monitoring network and a frequency source, wherein the antenna array surface adopts an upper, lower, left and right separated antenna structure, and the whole antenna system is composed of four independent sub-antennas; the antenna can generate sum and difference beams in the azimuth direction and the pitching direction, so that target monopulse tracking can be carried out while meteorological detection is carried out, and the device has the characteristic of multiple functions; a row of linear array of the antenna is divided into two sections which are symmetrical left and right, the length of a feeder line between the digital T / R assembly and the antenna unit is reduced, the stage number of a power divider is reduced by one stage, the feeder line loss is reduced, and the detection capability of the radar is improved. In addition, a two-stage fitting Taylor weighting method is also adopted to realize the low side lobe performance of the azimuth plane, so that the dual polarization consistency of the antenna is good in a broadband range, and the side lobe is lower than-35dB.

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.

Systems and methods are described herein for providing a direct radiating antenna (DRA) for installation on a communication satellite. The DRA is a phased array of microstrip patch antennas implemented in a very compact profile on a planar substrate. Embodiments of array are implemented as an array of radiating element configurations, each having a microstrip radiating element (e.g., a square patch) coupled to a first side of the planar substrate, amplifiers coupled to a second side of the planar substrate, and filters (e.g., diplexers) coupled between the radiating elements and amplifiers. A thermal conduction layer (e.g., a graphoil or vapor chamber layer) is thermally coupled with the second side of the planar substrate, and a thermal radiation layer (e.g., an optical solar reflector) is thermally coupled with the thermal conduction layer.

Provided herein are various enhancements for aperture antenna arrays and electronically steered arrays (ESAs). A modular subarray is provided that includes horn apertures coupled to corresponding waveguide polarizers coupled to transmit waveguide filters and receive waveguide filters that establish transmit ports and receive ports. The transmit ports and the receive ports are coupled through a waveguide adapter plate to individual isolation cavities each formed in a body of an amplifier-filter module that houses amplifier / filter elements and couple transmit radio frequency signaling and receive radio frequency signaling to coaxial connections penetrating the isolation cavities. The subarray also includes a circuit card assembly comprising the coaxial connections coupled to stripline links formed by a printed circuit board, wherein the stripline links couple to beamforming circuitry, and a high-density digital connector mounted to the circuit card assembly and configured to carry input / output radio frequency signaling for the subarray to / from the beamforming circuitry.

The present invention relates to a portable frequency jammer. The portable frequency jammer includes a host and an antenna module, the host includes a housing and at least one functional module provided in the housing, the at least one functional module is used to generate an interference signal within at least one frequency band; the antenna module is positioned outside the housing and integrally connected to the housing, the antenna module includes at least one antenna, and the at least one antenna is communicatively connected to the at least one functional module respectively. Since the antenna module of the portable frequency jammer in the present invention is provided outside the housing and integrally connected to the host, there is no need to repeatedly disassemble and assemble the antenna, thus having the advantages of saving time and labor and having a fast response speed.

The array core block for the AESA includes a stack of 2×M alternating N-channel RFIC and MMIC power amplifier wafers bonded together by a wafer-scale direct-bonded hybrid (DBH) interconnect process that forms both metal-to-metal bonds and dielectric hydrogen bonds between the bonding surfaces to seal the wafer stack. Each array core block includes an array of through-substrate metal vias for distributing DC bias, LO signals, and information signals. Each array core block also includes a microchannel formed on the backside of at least one of the chips of each bonded pair and through-substrate via holes formed through the stack operatively coupling the microchannels to all of the bonded pairs, and includes a cooling system that receives and circulates fluid through the microchannels and through-substrate via holes to cool the RFIC and MMIC power amplifier chips and extract heated fluid.

A multi-mode phased array antenna ("MPAA") is disclosed. The MPAA has at least two modes of operation, where a first mode of operation produces a first main-beam and a second mode of operation produces a second beam. The MPAA includes a plurality of radiating elements arranged as an array of radiating elements and a controller in signal communication with the plurality of radiating elements. The controller is configured to excite the plurality of radiating elements to produce a first radiation pattern having the first main-beam in the first mode of operation and a second radiation pattern having the second beam in the second mode of operation. The second beam is wider than the first main-beam and the second radiation pattern is similar to a radiation pattern for a single radiating element of the plurality of radiating elements. The controller also switches between the first mode and second mode of operation.

Provided is a direct radiating array (“DRA”) antenna for transmitting or receiving an electromagnetic radio frequency (“RF”) signal of at least one predetermined signal frequency band. The DRA antenna comprising a plurality of radiating elements defining a radiating surface of the DRA antenna, a plurality of RF signal chain paths, each of the plurality of RF signal chain paths coupled to a respective one of the plurality of radiating elements and configured to amplify an RF signal either received by or to be transmitted by the respective one of the radiating elements, and a beamforming network board having a plurality of electrical ports for electrically connecting to the plurality of RF signal chain paths.

A cascadable radar element for use in a radar measuring device for carrying out a digital beam transformation process, having at least one transmitting antenna and at least one receiving antenna which are integrated in the radar element, as well as an input connection and an output connection for local oscillator signals.

According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided with variations therein, to advantage. These variations can be in either or both of an outer peripheral edge surface and a housing seal engagement surface. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.

A multiplexer and an array antenna module, the multiplexer is applied to the array antenna module, the array antenna module comprises an array antenna and a beam forming module, the multiplexer comprises a first end and at least two second ends, and the at least two second ends extend towards the direction of the first end; one of the first end or the at least two second ends is connected to the array antenna, the other of the first end or the at least two second ends is connected to the beam forming module, and the first end and the at least two second ends are used for conducting signals between the array antenna and the beam forming module.

A modular radio frequency (RF) device includes N base units, each including a differential segmented array (DSA) tile with a support board and a two-dimensional (2D) array of electrically conductive tapered projections disposed on the support board. Neighboring pairs of the electrically conductive tapered projections form RF pixels. The N DSA tiles are arranged to form an RF aperture. The N base units are programmed to switch the RF aperture between a first operating mode and a second operating mode. In the first operating mode, the N base units are operated as at least two independent subsets with each subset operating as an RF transmitter or receiver independently of the other subsets. In the second operating mode all N base units coherently combine as a single phased array RF transmitter or receiver.

A multiplexer and an array antenna module, the array antenna module comprises a circuit board and an array antenna, the multiplexer comprises a first end, at least two second ends and a plurality of conduction parts, and the at least two second ends and the first end are arranged on the same layer of the circuit board; the connecting part is connected between the first end and the at least two second ends, the first end and the at least two second ends are respectively arranged on two opposite sides of the connecting part, and the connecting part, the first end and the at least two second ends are arranged on different layers of the circuit board; the connecting part is respectively connected with the first end and the at least two second ends through a plurality of conducting parts; the first end or one of the at least two second ends is connected to the array antenna and is used for conducting signals of the array antenna.

An antenna apparatus described herein includes a first reflector element that comprises a first nonresonant waveguide cavity that is partially bounded by a first parabolic reflector surface. The apparatus optionally includes additional reflector elements arranged in parallel with the first reflector element, where the additional reflector elements include corresponding nonresonant waveguide cavities that are partially bounded by corresponding reflector surfaces. The antenna apparatus is configured to emit an electromagnetic signal based upon electromagnetic signals reflected by the one or more parabolic reflector surfaces and output by the one or more reflector elements. The antenna apparatus may conversely be employed to receive an electromagnetic signal.

A multi-step coherent combination of signals received by multiple distributed phased antenna arrays to increase the coverage area of the distributed phase antenna arrays while decreasing the loss of such antennas, particularly in sections of a service area that traditionally are not covered by such antennas. More particularly, the solution presented herein coherently combines, in a multi-step coherent combination process, two or more data streams from two or more Phased Array Antenna Modules (PAAMs) to generate output data for the corresponding wireless device. In so doing, the solution presented herein achieves diversity gain in some scenarios, e.g., when adjacent PAAMs have partially overlapping frequency ranges, facilitates unsymmetrical BW support for uplink (UL) and downlink (DL) implementations, and / or provides service to more users.