142results about "Polarised antenna unit combinations" patented technology

The present application relates to a kind of radiation elements, the radiation element includes: radiator, feed rod and parasitic element, the radiator is fed by the feed rod, wherein, the parasitic element includes conductive structure, the conductive structure includes serpentine conductive path, and coupling capacitance is formed between conductive structure and radiator, and wherein, the center frequency of the operating frequency band of the radiator is greater than the center frequency of the first operating frequency band of parasitic element.Radiation element according to some embodiments of the present application can at least reduce the coupling interference between each array, improve isolation performance.In addition, the radiation element according to some embodiments of the present application can also be used to reduce the size of radiation element itself, so that radiation element is more compact.In addition, the present application also relates to a kind of base station antennas.

A method for manufacturing an antenna module (100) includes: a first step for preparing a dielectric substrate (105) including ground electrodes (GND1, GND2) and radiation elements (121, 122); a second step for forming a flat plate part (130A) including the radiation element (121) and a flat plate part (130B) including the radiation element (122), by cutting the dielectric substrate (105) from one main surface of the dielectric substrate (105) to a first layer including the ground electrode (GND2) in a normal direction of the dielectric substrate (105), in a region between the radiation element (121) and the radiation element (122); and a third step for bending the flat plate part (130A) with respect to the flat plate part (130B) and peeling a part of the first layer from the flat plate part (130A).

An electronic device may include a photonics-based phased antenna array that conveys wireless signals at frequencies greater than 100 GHz. In a transmit mode, the array may transmit signals using the first and second optical signals. In a receive mode, the array may receive signals using the optical signals. In a passive mode, the array may reflect incident wireless signals as reflected signals. Photodiodes in the array may be controlled to exhibit output impedances that are mismatched with respect to input impedances of radiating elements in the array. Different mismatches can be used across the array or as a function of time to impart different phase and / or frequency shifts on the reflected signals. The phase shifts may be used to encode information into the reflected signals and / or to form a signal beam of the reflected signals.

A multiband antenna has an array face with closely spaced dipoles of multiple frequency bands in the low band, the mid band, and C-band or CBRS (Citizens Broadband Radio Service). The low band dipole has four dipole arms formed in a plurality of loops from a single piece of metal. In one embodiment, the loops successively decrease in dimension, resulting in a tapered dipole arm shape and has a bend that bends the dipole arms downward to accommodate radome curvature. In a second embodiment, the outermost loop of each dipole arm is larger in volume and has its lateral loop features bent downward.

A base station antenna sector includes: a first reflector comprising a first flat panel and a plurality of first radiating elements mounted thereon; a second reflector comprising a second flat panel and plurality of second radiating elements mounted thereon; a radome surrounding the first and second reflectors; wherein the second reflector is pivotally movable relative to the first reflector.

An antenna, an antenna device and a communication base station belong to the technical field of antennas and aim to reduce coupling among multi-band signals, the antenna is configured to radiate a signal of a first band and comprises at least one single-polarized radiator, and the single-polarized radiator comprises a radiation structure and a plurality of radiation structures, comprising a first dielectric substrate and a radiation arm located on one side of the first dielectric substrate, the radiation arm comprises a plurality of radiation branches, and the plurality of radiation branches are sequentially connected to form a ring; the feed structure is connected with the radiation structure and is configured to feed an electric signal into the radiation structure; and the filtering structure is at least loaded between the radiation branches and is configured to weaken the influence of the antenna on a signal of a second frequency band, and no overlapped frequency band exists between the second frequency band and the first frequency band.

To provide an antenna device capable of improving a characteristic, and provide a radio device.SOLUTION: An antenna device comprises a first antenna part, a first power distribution device, and a first control circuit. The first antenna part comprises a plurality of first antenna elements, a plurality of first left-handed phase shifters, and a plurality of first right-handed phase shifters. One direction of the plurality of first antenna elements is different from another one direction of the plurality of first antenna elements. The first control circuit can control a phase amount of the plurality of first left-handed phase shifters in a transmission direction of a transmission electromagnetic wave containing a transmission left-handed circular polarization and a transmission right-handed circular polarization so that the plurality of left-handed circular polarizations corresponded to the plurality of first antenna elements are actually the same. The first control circuit can control the phase amount of a plurality of first right-transmission phase shifters in a transmission direction so that the plurality of transmission right-handed circular polarizations corresponded to the plurality of first antenna elements are actually the same.SELECTED DRAWING: Figure 1

The embodiment of the application provides a magneto-electric monopole antenna unit, a magneto-electric monopole antenna array, an antenna and equipment, and belongs to the technical field of wireless communication. The antenna unit comprises a first dielectric substrate, a monopole radiator, a microstrip feed line, a metal reflector plate, a short-circuit metal column and two ground patches. It generates an electric monopole mode through the monopole radiator excitation, and generates a magnetic monopole mode through the short-circuit metal column, the ground patch and the reflector plate, and the two modes work together to realize wideband radiation and widen the beam width. The coupled currents on the two ground patches produce two pairs of opposite electric field components in the far field and offset each other, thereby realizing low cross polarization. The array composed of multiple units is loaded with a metasurface above, which significantly improves the port isolation by introducing a reflection path opposite in phase to the original coupling path. The application solves the technical problem that it is difficult to simultaneously realize wide-angle scanning, low cross polarization and high isolation in a wide frequency band.

The invention relates to a radiator assembly for a base station antenna having a longitudinal central axis and two dipoles arranged crosswise around the longitudinal central axis, each dipole having two dipole arms, each dipole arm being provided with a hook-shaped feed made of a metal sheet having a free end, the hook-shaped feed being capacitively coupled with the associated dipole arm. This radiator assembly is compact, easy to manufacture and to assemble.

The application provides a feeding network, an antenna device and a communication device. The main body part is provided with a first conductive part and a second conductive part. In addition, two branch parts are provided, one end of the first branch part is electrically connected with the first conductive part, and one end of the second branch part is electrically connected with the second conductive part. When two radiation parts with the same polarization direction in the radiation unit are respectively electrically connected with the first branch part and the second branch part, the transmission structure of the feeding network can feed two radio frequency signals, for example, two radio frequency signals with equal amplitude and opposite phase, to the two radiation parts of the radiation unit. Compared with the feeding network in the related art, the feeding network in the embodiment of the application has a simple circuit, thereby reducing the signal loss of the feeding network and the size of the feeding network, thereby reducing the occupied space of the feeding network in the antenna device and providing a suitable space for the setting of the array antenna.

An antenna apparatus is disclosed. An antenna apparatus according to an embodiment includes a patch group including at least one patch arranged in a specific arrangement to radiate or receive an electromagnetic wave. The antenna apparatus may include a first port which provides a first feed path to the patch and is fed by a first signal having first power and a first phase. The antenna apparatus may include a second port which provides a second feed path to the patch and is fed by a second signal having second power and a second phase. Each of the first power, the first phase, the second power, and the second phase may be determined on the basis of the radiation direction of the patch group or the position, relative to the antenna apparatus, of a signal source transmitting a signal to the antenna apparatus.

The application discloses a modular high-gain circularly polarized Vivaldi array antenna, which comprises edge antennas, middle antennas and a mounting base; the mounting base comprises a square metal plate printed with a feeding layer, four edge antennas and / or middle antennas are inserted into the square metal plate, and two edge antennas and / or middle antennas form an X-direction plane and a Y-direction plane perpendicular to each other, and a feeding seat is arranged in the center of the square metal plate; the edge antennas and the middle antennas are in a sheet structure and are composed of a bottom insertion structure and a top antenna structure, the bottom insertion structure comprises an insertion column and a wiring passage; a feeding balun is connected to a feeding source, and then the edge antennas and / or middle antennas in the same plane are connected to each other through the wiring passage to form Vivaldi antennas; the mounting base arrays are arranged to mount the antennas to form a Vivaldi array antenna, and the edge antennas are all edge antennas, and the other antennas are all middle antennas. The application can realize a modular circularly polarized Vivaldi array antenna, has a compact structure, and has strong antenna gain and expansibility.

The present invention provides an antenna configuration, transceiver configuration, and communication system for full-duplex transmission within the radio band that have high isolation characteristics between the transmitter and receiver within the same transceiver configuration and overcome the aforementioned drawbacks. [Solution] In the antenna device of the present invention, each antenna radiates and receives electromagnetic waves simultaneously, the plurality of antennas are arranged along a common virtual cylindrical jacket surrounding a common central axis of the antenna arrangement, the related centers of gravity of adjacent antennas are equidistant from each other, each antenna is electrically and / or magnetically connected to at least one first signal line of the transceiver arrangement and at least one second signal line of the transceiver arrangement, and in each antenna, at least one first signal line is oriented orthogonally with respect to at least one second signal line.

Antennas having single or parallel printed circuit board-based feed stalks and base station antennas having such radiating elements. The single feed stalk can have two feed lines configured to feed radio frequency signals to respective dipole radiators. Each feed line can have twin ground lines on one side (primary surface) of the single feed stalk printed circuit board and a cooperating feed trace on an opposing side (opposing primary surface) that provide RF transmissions from a feed network to a dipole radiator. The twin ground lines for the first feed line can be on a different primary surface than the twin ground lines for the second feed line and one ground line of each twin line set can cross-over each other at a forward end portion of the feed stalk. The parallel feed stalk printed circuit board can provide two feed lines for a respective dual polarized radiating element.

This invention discloses a circularly polarized selective wireless energy harvesting rectifier, comprising a metasurface module, a power combining module, and a rectification module. The metasurface module includes multiple absorbing units arranged in a periodic array. Each absorbing unit includes a resonant structure on the front side of a dielectric substrate and a metallized via penetrating the substrate. The resonant structure is a conductive ring with two offset openings, one of which contains a capacitive element. The power combining module includes a power combining network disposed on the back side of the dielectric layer of the power combining network. The input terminal of the rectification module is connected to the output terminal of the power combining module. This rectifier simultaneously solves the two core problems of polarization mismatch and bandwidth limitation. It integrates polarization selection, wideband energy harvesting, and high-efficiency rectification functions. Its core function is to efficiently selectively absorb and convert right-hand circularly polarized waves while generating strong reflection of left-hand circularly polarized waves to suppress interference.

An antenna assembly (1) includes: a first dielectric layer (11) having a first radiation patch (111) and a parasitic radiation patch (112); a second dielectric layer (12) arranged on a side of the first dielectric layer (11) facing away from the first radiation patch (111), and having a second radiation patch (121); and a metal layer (13) arranged on a side of the second dielectric layer (12) facing away from the second radiation patch (121). The metal layer (13) includes a feeding connector (14), the feeding connector (14) is connected with the second radiation patch (121) in an electrically conductive manner, the feeding connector (14) is configured to input a feeding signal to the second radiation patch (121), and the second radiation patch (121) is coupled with the first radiation patch (111) and / or the parasitic radiation patch (112) to form at least two polarized radiation beams.

Antennas having selective material loading are disclosed. An example antenna includes a ground plane, a radiator layer, and a loading layer including discrete loading portions located adjacent to the periphery of the radiator layer.

A radiator for an antenna, comprising a radiator head with an active radiation area having a first section and at least one second section, wherein the first section and the at least one second section are conductively connected forming a dual polarized radiator together, and wherein the first section lies within a first plane and the at least one second section lies within a second plane offset to the first plane. Further, an antenna and a mobile communication cell site.

The present application provides an antenna module and a communication device. The antenna module includes a radiating element, a ground element, and a feeding element. The feeding element is a transmission line structure formed on an insulating support. The feeding element includes a feeding transmission portion and a grounding portion. The feeding transmission portion and the grounding portion have unequal widths and are configured to achieve current balance of the antenna module.

Antenna module, comprising: a phased array (111; 220; 410) comprising a plurality of antennas (221a, 221b, 221c, 221d, 222) and designed to transmit a first radio frequency (RF) signal (RF1) and a second RF signal (RF2) polarized in different directions; an integrated front-end radio frequency circuit (HFIC) (112; 210; 420) comprising a first RF circuit (421; 600a; 600b) designed to process or generate the first RF signal (RF1), and a second RF circuit (422) designed to process or generate the second RF signal (RF2); and a switching circuit (430) designed to connect both the first RF circuit (421; 600a; 600b) and the second RF circuit (422) to a first terminal (441) or a second terminal (442) of the antenna module (400) according to a control signal, wherein the first terminal (441) and the second terminal (442) are connectable to a backend RFIC (150; 300; 700a; 700b; 810; 920) which processes or generates a baseband signal.

This application provides an antenna structure based on a slot gap waveguide, comprising a first cover plate, a second cover plate, and an intermediate conductive plate spaced between the first and second cover plates; a first slot is provided on the surface of the first cover plate adjacent to the intermediate conductive plate; a second slot is provided in the intermediate conductive plate extending along its thickness direction; a plurality of first conductive pins are periodically distributed on the surface of the intermediate conductive plate adjacent to the first cover plate, the first cover plate, the intermediate conductive plate, and the plurality of first conductive pins constituting a first antenna element; a plurality of second conductive pins are periodically distributed on the surface of the intermediate conductive plate adjacent to the second cover plate, the second cover plate, the intermediate conductive plate, and the plurality of second conductive pins constituting a second antenna element; the first antenna element transmits horizontally polarized waves when fed with a signal alone, and the second antenna element transmits vertically polarized waves when fed with a signal alone; the first slot and the second slot are configured to achieve circular polarization characteristics when the first antenna element and the second antenna element are simultaneously fed with signals of equal amplitude and a phase difference of 90°.

An antenna subarray and a base station antenna are disclosed. The antenna subarray includes a reflection plate, a plurality of radiation surfaces, and a ground plate of the plurality of radiation surfaces. The ground plate is vertically disposed on the reflection plate, and includes an integrated bottom end structure and a plurality of branch structures. The bottom end structure is connected to the reflection plate, and a top end of a branch structure is connected to a radiation surface. A feeder layer is disposed on a side of the ground plate, and a dielectric layer is spaced between the ground plate and the feeder layer. A first polarized feeder and a second polarized feeder are disposed on the feeder layer. The ground plate may have both a "ground" function of a polarized feeder and a "ground" function of a balun. The first polarized feeder and the second polarized feeder can implement both a function of a polarized feeder of the radiation surface and a function of a balun feeder. Integration between a feeding network and the balun of the antenna is implemented using the ground plate, the first polarized feeder, and the second polarized feeder in this application. Therefore, a structure of the antenna subarray is simple, and a function of a base station antenna is implemented using few components.

To further downsize a receiver used in wireless power transmission and reduce the cost of the receiver.SOLUTION: A semiconductor device 210 has a semiconductor chip 220 and a semiconductor package 230. The semiconductor chip includes a first rectifier circuit 223-1, a second rectifier circuit 223-2 provided in a direction substantially orthogonal to the first rectifier circuit, a first bonding pad 224-1 connected to the first rectifier circuit, and a second bonding pad 224-3 connected to the second rectifier circuit. The semiconductor package includes a first pad 231-1 connected to the first bonding pad by a first bonding wire, and a second pad 231-3 connected to the second bonding pad by a second bonding wire.SELECTED DRAWING: Figure 3

The application relates to the technical field of antennas, and particularly discloses a symmetrical transmission device and method applied to antenna array mode conversion, which comprises a C-shaped frame, two groups of rotating frames for mounting antenna subarrays and rotatingly mounted on the C-shaped frame, and a synchronous driving mechanism mounted on the C-shaped frame and in transmission connection with the two groups of rotating frames; the two groups of rotating frames are symmetrically arranged and located at openings of the C-shaped frame. The application can effectively realize the use requirement of single-driving symmetrical antenna subarrays, guarantee the rotation consistency of an output end, reduce the servo control complexity and manufacturing cost, achieve the synchronous symmetrical transmission effect, and effectively control the angle posture of a load.

An antenna module implemented as a multi-layered package includes: a printed circuit board (PCB) having a plurality of layers; an array antenna portion including a plurality of antenna elements disposed on the PCB; a radio frequency integrated circuit (RFIC) chip bonded to a second surface of the PCB, the second surface being another outermost surface of the PCB; and a plurality of signal connection lines connected from the RFIC chip to the array antenna portion. A length of each of the plurality of signal connection lines may be a length of a connection line connected between the RFIC chip and the array antenna portion, and the plurality of signal connection lines may have the same length.

A method and apparatus for multi-tier beamforming are disclosed. The method includes receiving a first-tier beamformed frequency-domain IQ data packet and a plurality of second-tier beamformed frequency-domain IQ data packets at a transceiver integrated circuit (IC) subarray. Each transceiver IC of the transceiver IC subarray (i) forms a multi-tier beamformed frequency-domain IQ data set by combining beamformed frequency-domain IQ data from the first-tier beamformed frequency-domain IQ data packet with beamformed frequency-domain IQ data from selected ones of the second-tier beamformed frequency-domain IQ data packets, (ii) generates a discrete-time-domain signal from the multi-tier beamformed frequency-domain IQ data set, and (ii) generates a modulated radio frequency (RF) signal from the discrete-time-domain signal. The method further includes transmitting a multi-tier beamformed signal by transmitting respective modulated RF signals from the transceiver ICs of the transceiver IC subarray via a corresponding adjacent antenna element subarray.

An antenna, an antenna structure and antenna element are disclosed. The antenna includes a radiator structure having four radiators, each located within a different quadrant of a plane. Diagonally opposite radiators form a pair. A first ground strip connects a first radiator of a first pair of the set to a ground conductor. A first signal strip connects a second radiator of the first pair to a first terminal. The first ground strip and the first signal strip are orientable to form a balanced transmission line. A second ground strip connects a first radiator of a second pair of the set to a ground conductor and a second signal strip is connects a second radiator of the second pair to a second terminal. The second ground strip and the second signal strip are orientable to form a balanced transmission line.