148 results about "Radiating element" 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.

This application discloses an antenna module and an electronic device, belonging to the field of communication technology. The antenna module includes a radiating element and a feed source. The radiating element includes a first radiator, a second radiator, and a conductive element. The first and second radiators are of the same size, with a first end of the first radiator facing the first end of the second radiator, and a first gap between them. The conductive element has an elongated structure; the first end of the first radiator is electrically connected to a first portion of the conductive element, and the first end of the second radiator is electrically connected to a second portion of the conductive element. Both ends of the conductive element are grounded. The feed source is electrically connected to a third portion of the conductive element, located in the middle region of the conductive element, with the first and second portions distributed on opposite sides of the third portion. Under the feeding action of the feed source, the first and second radiators generate pairs of radiating currents with opposite directions and the same magnitude.

A configurable phased array tile is disclosed including an aperture assembly having a plurality of aperture assembly connectors, a backplane assembly having a plurality of backplane assembly connectors, and a plurality of vertical transmit cards mounted to a corresponding first plurality of aperture assembly connectors and a corresponding first plurality of backplane assembly connectors. The plurality of vertical transmit cards each include a plurality of transmit channels including at least one high power transmit amplifier for powering at least one radiating element mounted to the aperture assembly.

This invention provides a millimeter-wave isolation circuit and isolator with multiple receiving links. Its millimeter-wave receiving module includes two or more dipole antennas and receiving units connected one-to-one with each dipole antenna. Each dipole antenna and its corresponding receiving unit constitutes a receiving link. The two or more dipole antennas are arranged along their length, with the radiating elements of consecutive dipole antennas connected end-to-end, forming a millimeter-wave receiving antenna array. It is configured to receive the millimeter-wave signal through two or more receiving links and then output two or more identical pulse signals. This invention enables synchronous reception of multiple pulse signals based on a single structure, ensuring minimal time deviation at the receiving end and reducing system power consumption and cost.

This application relates to the field of automotive radar technology, disclosing an antenna array and an automotive radar. The antenna array includes a substrate, an electromagnetic isolation structure, and a feeding assembly. The substrate is provided with a transmitting part and a receiving part. The transmitting part includes multiple transmitting radiating elements arranged to form a transmitting radiating array. The receiving part includes multiple receiving radiating elements arranged to form a receiving radiating array. The electromagnetic isolation structure is disposed between adjacent radiating elements to suppress electromagnetic coupling between the radiating elements. The feeding assembly is disposed on the substrate and is connected to both the transmitting radiating array and the receiving radiating array. Through the above method, this application embodiment can block the coupling path of electromagnetic waves, thereby improving the overall isolation of the array.

This invention discloses a miniaturized broadband omnidirectional antenna, comprising a base plate and a grounding arm, a first radiating element, a second radiating element, a third radiating element, and a fourth radiating element disposed on the same side of the base plate. The first radiating element is spaced apart from the base plate and connected to the base plate via the grounding arm. The second, third, and fourth radiating elements are all located between the first radiating element and the base plate. The second radiating element is connected to both the first and third radiating elements, and the fourth radiating element is connected to the third radiating element. This miniaturized broadband omnidirectional antenna has a simple structure, is integrally molded, and is securely installed. It achieves miniaturization, broadband, and omnidirectional characteristics, with an operating frequency coverage of 2.3 GHz to 5.85 GHz, a VSWR below 1.8, and a bandwidth of 87%.

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.

This invention discloses a gapped waveguide circularly polarized antenna for vehicle-mounted millimeter-wave radar, relating to the field of antenna technology. The antenna includes an upper metal structure and a PCB substrate stacked below. The metal structure integrates a radiating layer, a slotted layer, and a resonant cavity layer enclosed by an electromagnetic bandgap structure and metal walls. The signal is fed in through the PCB chip port, via an E-plane waveguide and an E-H waveguide conversion structure, and then into the resonant cavity. This invention, by employing a longitudinally slotted stacked -45° tilted slot radiating element design, or in conjunction with a parasitic slot structure, can equally excite two orthogonal fundamental modes and control the phase difference, thereby achieving broadband circularly polarized radiation. This antenna adopts a single-layer metal integrated design, featuring low profile, high gain, and wide axial ratio bandwidth, and is easy to fabricate and integrate. It is particularly suitable for high-performance vehicle-mounted MIMO radar systems, effectively solving the problems of high high-frequency dielectric loss and complex circular polarization implementation in existing technologies.

This invention relates to a base station antenna, comprising: a reflector; a first column of first radiating elements, including a plurality of first radiating elements arranged longitudinally; a second column of first radiating elements, including a plurality of first radiating elements arranged longitudinally; and at least one first decoupling metamaterial element located between the first and second columns, the first decoupling metamaterial element being mounted after the radiators of the first radiating elements and configured to at least partially reduce the coupling between the first and second columns, the main surface of the first decoupling metamaterial element being substantially parallel to the main surface of the reflector, wherein the first radiating elements are configured to operate within a first frequency band. Furthermore, this invention also relates to a multi-band antenna.

A radio apparatus that has a high heat dissipation performance and can be manufactured at a low cost is provided. A radio apparatus includes a heat dissipation part that dissipates heat generated by a heat generation source to the outside. The heat dissipation part is composed of a solid material, and includes a heat dissipation plate and a plurality of heat dissipation fins provided in the heat dissipation plate, the plurality of heat dissipation fins being disposed on a side of the heat dissipation plate where a radiating element or a reflective element is disposed. The heat dissipation fins form a periodic structure along at least one direction on the heat dissipation plate. Tips of the plurality of heat dissipation fins form a virtual reflective surface that reflects incident waves to the plurality of heat dissipation fins.

The present disclosure refers to a radome assembly, wherein the radome assembly includes a radome and parasitic components for a radiating component, characterized in that the radome itself has a hollow structure, wherein at least one receiving compartment is formed through the hollow structure, wherein the parasitic components are arranged in the receiving compartment. In addition, the present disclosure also refers to a base station antenna including the radome assembly. (Fig. 2a)

This invention belongs to the field of communication technology. It discloses a dual-polarization high- and low-frequency nested radiating unit, including a low-frequency radiating unit. Coaxial feed networks are provided on both sides inside the low-frequency radiating unit, and a PCB feed network is provided on top of each coaxial feed network. A high-frequency radiating unit is provided between two PCB feed networks, connected to the PCB feed network to achieve nested cooperation with the low-frequency radiating unit. The PCB feed network is connected to the low-frequency radiating unit via a coaxial cable, and is also connected to the coaxial feed network to achieve ±45° polarization. Within the low-frequency radiating unit, four coaxial cables are connected in parallel to form two signals. This invention has the advantages of saving structural layout space to reduce production complexity, effectively improving manufacturability, and minimizing the risk of coupling affecting isolation.

An antenna device includes a base body, a flat plate-like radiating element placed in the base body, a flat plate-like ground electrode arranged substantially parallel to the radiating element, and high-dielectric layers placed on side surfaces of the base body, the dielectric constants of the high-dielectric layers being higher than that of the base body. At least part of one of the high-dielectric layers is located between the radiating element and the ground electrode when seen from an X-axis direction that is the normal direction of the side surfaces and is located outside the ground electrode when seen from a Z-axis direction that is the normal direction of a top surface.

Adaptive tunable antenna system includes a first radiating element having an elongated length and a second radiating element extending from a distal end of the first radiating element. The first radiating element is for a high band of operation and the second radiating element is for a low-band of operation. The second radiating element is a helical member including a plurality of turns. A low-band circuit selectively bypasses one or more of the turns of the second radiating element in response to a control signal.

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 application provides an antenna and communication device, relating to the field of communication technology, to solve the problem that antennas cannot effectively balance narrow beamwidth and small profile height. The antenna provided in this application includes a first radiating element and a first conductive element. The first radiating element is used to transmit or receive wireless signals, and the first conductive element is grounded with the first radiating element. Each polarization of the radiating element corresponds to 2N first conductive elements, where N is a positive integer. The distance between the first conductive element and the center of the first radiating element is L1, and the farthest distance from the edge of the first radiating element to the feed center is L2, where L1 ≤ L2. This allows the first conductive element to couple with the first radiating element, thereby narrowing the beamwidth of the first radiating element. In the antenna provided in this application, by configuring the first conductive element, the beamwidth of the first radiating element can be effectively narrowed without significantly increasing the antenna's profile height.

This invention provides a dual-beam antenna, belonging to the field of antenna technology, to solve the technical problem of mutual interference between beams. The dual-beam antenna includes at least one antenna module, which includes a first polarization port, a second polarization port, multiple radiating elements arranged in an array, and multiple connecting lines. The array has at least two columns of radiating elements along a first direction and at least one row of radiating elements along a second direction. Each radiating element is connected to the first polarization port and the second polarization port via connecting lines, and the phase difference between any two adjacent radiating elements is 180 degrees along at least one of the first and second directions. When at least one of the first and second polarization ports receives a signal input, a dual beam is formed relative to the direction of the phase difference. A dual beam can be formed using at least one polarization port, and the beams in the dual beam are independent of each other, without crossing, thus avoiding mutual interference.

An antenna structure includes a metal mechanism element, a first radiation element, a second radiation element, an impedance element, and a dielectric substrate. The metal mechanism element has a slot. The first radiation element has a first feeding point. The second radiation element has a second feeding point. The impedance element is coupled to the metal mechanism element. The impedance element is disposed between the first radiation element and the second radiation element. The dielectric substrate is adjacent to the slot of the metal mechanism element. The first radiation element, the second radiation element, and the impedance element are disposed on the dielectric substrate. The impedance element is configured to increase the isolation between the first radiation element and the second radiation element.

Multibeam base station antennas include first through M first polarization RF ports, an antenna array that includes N columns of radiating elements, and a first polarization beamforming network having M rows and N columns of directional couplers, where each row has a different number of directional couplers, where M and N are natural numbers, wherein the last directional coupler in a top row has a port that is coupled to ground via a matched termination.

A box dipole radiating element uses a compact quadrilateral arrangement of substantially coplanar radiating arms that supports tilted polarized radiation in response to differential mode currents generated along four sides of the quadrilateral arrangement and in response to common mode currents that can be generated in substantially the same plane as the differential mode currents. A feed signal routing network is provided that includes a feed signal routing substrate located on portions of the radiating arms, first through fourth signal traces located on a front side of the substrate, and first through fourth ground plane segments located on a back side of the substrate. The first through fourth ground plane segments are capacitively coupled to the radiating arms. Each of the signal traces receives a corresponding feed signal and spans a corresponding air gap between a pair of the radiating arms.

An antenna structure and an electronic device. The antenna structure includes a radiating element, a first feeding element, a second feeding element, a grounding element, and a grounding branch; the first feeding element has a first feeding portion, and the first feeding element is configured to be connected to the radiating element through the first feeding portion; the second feeding element has a second feeding portion, and the second feeding element is configured to be connected to the radiating element through the second feeding portion; the grounding element is connected to the radiating element, and the grounding element is located between the first feeding element and the second feeding element; the grounding branch has a first end and a second end, the first end is connected to the second feeding portion, and the second end is connected to a ground plane; the first feeding element is configured to feed a signal to excite the radiating element to generate a first radiation field pattern, and the second feeding element is configured to feed another signal to excite the radiating element to generate a second radiation field pattern; the first radiation field pattern is different from the second radiation field pattern. The antenna structure and the electronic device provided by the present application can improve the isolation between the first antenna and the second antenna.

The present invention relates to an antenna comprising a plurality of sources and a beamforming module connected to the sources. Each source comprises a radiating element (110) with a respective principal radiation axis (Xi, Xj), the inclination of which varies within the antenna. The beamforming module is capable of generating and applying an amplitude modulation law to the radiating elements (110) depending on the beam to be formed. The amplitude modulation law includes an amplitude modulation coefficient for each radiating element (110), such that each radiating element (110) emits a signal having a respective amplitude equal to a given amplitude modulated by the corresponding amplitude modulation coefficient, or receives a signal having a respective amplitude, the corresponding amplitude modulation coefficient being applied to the respective amplitude after reception. The invention also relates to an associated method of use.

An antenna module (100) is provided with a first substrate (130A) and a second substrate (130B) having a side surface (137) connected to the first substrate (130A). The second substrate (130B) is provided with a radiation element (121B), a ground electrode (GND2), a connection communication electrode (155) and a connection ground electrode (150) disposed on the side surface (137), and power supply wiring (171). The power supply wiring (171) is disposed in the same layer as the radiation element (121B) in the second substrate (130B). The connection ground electrode (150) is disposed so as to surround the connection communication electrode (155) on the side surface (137).

In beamforming with an antenna for satellite communications, the antenna includes an array of radiating elements. The beamforming method includes: formulating a matrix based on responses from all elements of the antenna to each of a number of users of a first satellite; augmenting the matrix by adding responses from the elements of the antenna to other users served by a different satellite; from the augmented matrix, generating a beamforming matrix; and with the beamforming matrix, beamforming a beam from the antenna.

The present disclosure provides an antenna device. The device comprises: a radiating element unit and a beamforming device; wherein the radiating element unit is used to emit electromagnetic waves; the beamforming device is used to phase modulate the electromagnetic waves according to a modulation signal and output the phase-modulated electromagnetic waves; the beamforming device comprises: a first transparent electrode plate and a second transparent electrode plate; a liquid crystal material is located between the first transparent electrode plate and the second transparent electrode plate; an alignment film is arranged on the inner surface of the first transparent electrode plate and the second transparent electrode plate, and is used to control the arrangement direction of the liquid crystal material in the initial state; when a modulation voltage is applied to the first transparent electrode plate and the second transparent electrode plate, the arrangement direction of the liquid crystal material deflects according to the modulation signal. The device can phase modulate the electromagnetic waves in real time according to the modulation signal through the beamforming device.