1360 results about "Radiating element" patented technology

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing phase adjusting for one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Base station antennas include first and second radio frequency (“RF”) ports and a first antenna array that includes both first and second radiating elements. Each of the first radiating elements includes a first radiator that is connected to the first RF port that is configured to radiate at a first polarization and a second radiator that is connected to the second RF port that is configured to radiate at the first polarization. Each of the second radiating elements includes a first radiator that is connected to the first RF port that is configured to radiate at a second polarization that is different from the first polarization and a second radiator that is connected to the second RF port that is configured to radiate at the second polarization.

Radiating elements comprise a first dipole radiator that includes a first dipole arm and a second dipole arm, a second dipole radiator that includes a third dipole arm and a fourth dipole arm and first through fourth electromagnetic bandgap structures that are coupled to distal end portions of the respective first through fourth dipole arms.

Aspects of the subject disclosure may include, for example, identifying one or more radiating elements of an antenna system that are to be adjusted based on interference determined to affect an operation of the antenna system, and altering one or more properties of the one or more radiating elements to effect polarization adjusting such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

An antenna structure includes a feeding radiation element, a connection radiation element, a first radiation element, a second radiation element, a first shorting radiation element, a second shorting radiation element, and a carrier element. The feeding radiation element has a feeding point. The connection radiation element is coupled to the feeding radiation element. The first radiation element is coupled to the connection radiation element. The second radiation element is coupled to the connection radiation element. The second radiation element and the first radiation element substantially extend in opposite directions. The feeding radiation element and the connection radiation element are coupled through the first shorting radiation element to a first grounding point. The second shorting radiation element is adjacent to the second radiation element. The connection radiation element and the first radiation element are coupled through the second shorting radiation element to a second grounding point.

An antenna assembly can include a cover, an internal ground plane, and a multi-band antenna. The cover can comprise one or more walls. The internal ground plane can comprise a base of the antenna assembly and can be coupled to the cover. The multi-band antenna can comprise one or more radiating elements comprising a first radiating element formed on a first PCB portion, the first radiating element comprising a first upright radiating portion and a first head radiating portion. The first radiating element can be configured to move from a first configuration prior to engagement with the cover to a second configuration when the cover is coupled to the internal ground plane. In the first configuration, the first upright radiating portion is coplanar to the first head radiating portion. In the second configuration, the first upright radiating portion is at an angle relative to the first head radiating portion.

An antenna assembly can include a case, a first ground plane, and a multi-band multi-element antenna. The case can include a body portion and a door pivotably coupled to the body portion. The first ground plane can be coupled to the body portion and can divide the case into a first internal volume and a second internal volume. The multi-band multi-element antenna can include at least one multi-band radiating element coupled to a top side of the first ground plane. The antenna assembly can include a tablet computer and / or a display screen.

We generally describe an antenna system comprising a dual-polarized radiating element extending generally in a first direction parallel or substantially parallel to a reflector of the antenna system. The dual-polarized radiating element is configured to emit an electromagnetic wave. The antenna system further comprises a low-pass filter structure extending generally in a second direction perpendicular or substantially perpendicular to the reflector of the antenna system. The low-pass filter structure is spaced apart, in relation to the first direction, from a center portion of the dual-polarized radiating element. The antenna system further comprises a coupling feeding line which electrically couples, via a region which comprises an end portion of the dual-polarized radiating element, the low-pass filter structure with the center portion of the dual-polarized radiating element for feeding an electrical signal via the low-pass filter structure through the coupling feeding line to the center portion of the dual-polarized radiating element.

An antenna assembly can include a cover, a base, an internal ground plane, a PCB, and a multi-band antenna. The base can be coupled to the cover to define an internal volume, with the internal ground plane positioned there between. The PCB can include a base PCB portion and a first PCB portion. The multi-band antenna can comprise a radiating element formed on the first PCB portion, the radiating element comprising an upright radiating portion and a head radiating portion. The radiating element can be configured to move from a first configuration prior to engagement with the cover to a second configuration when the cover is coupled to the base. In the first configuration, the upright radiating portion can be coplanar to the head radiating portion, and in the second configuration, the upright radiating portion can be at an angle relative to the head radiating portion.

A box dipole radiating element uses a compact quad arrangement of substantially coplanar radiating arms to support slant-polarized radiation, in response to differential-mode currents generated along four sides thereof and in response to common-mode currents, which may be generated in substantially the same plane as the differential-mode currents. A feed signal routing network is provided, which includes a feed signal routing substrate on portions of the radiating arms, first through fourth signal traces on a forward face of the substrate, and first through fourth ground plane segments on a rear face of the substrate. These 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.

A multi-band antenna can include a radiating element. The radiating element can include an upright portion, a head portion, one or more first arms, and one or more second arms. The upright portion can be configured for low-band radiation. The head portion can extend from a top edge of the upright portion and can be configured for low-band radiation. The one or more first arms can extend from the upright portion and can be configured for mid-band radiation. The one or more second arms can extend from the upright portion and can be configured for C-band radiation.

An antenna structure includes a feeding radiation element, a first grounding radiation element, a second grounding radiation element, a connection radiation element, an extension radiation element, and a dielectric substrate. The feeding radiation element has a feeding point. The first grounding radiation element has a first grounding point. The first grounding radiation element is adjacent to the feeding radiation element. The second grounding radiation element has a second grounding point. The connection radiation element is coupled between the first grounding radiation element and the second grounding radiation element. The extension radiation element is coupled to the connection radiation element. A closed slot is surrounded by the connection radiation element and the extension radiation element. The feeding radiation element, the first grounding radiation element, the second grounding radiation element, the connection radiation element, and the extension radiation element are all disposed on the dielectric substrate.

An antenna assembly is disclosed. The antenna assembly can include a housing, a first multi-band antenna element, and a second multi-band antenna element. The first multi-band antenna element is configured for cellular applications and positioned within the housing. The first multi-band antenna element includes a first low-band radiating element and a first mid-band radiating element. The second multi-band antenna element is configured for cellular applications and positioned within the housing. The second multi-band antenna element includes a second low-band radiating element and a second mid-band radiating element.

A radio frequency identification (RFID) antenna is provided. The RFID antenna includes, but not limited to, a printed circuit board (PCB). The PCB includes, but not limited to: a substrate; an etched metal layer on the substrate, where the etched metal layer comprises: a radiating element positioned on the substrate having a loop structure, where the loop structure comprises two first chamfered edges, and the first chamfered edges are position in opposing corners of the loop structure; and a ground element positioned on the substrate having comprising a slotted structure that is concentric with the loop structure and is positioned in an inner region of the loop structure.

The invention belongs to the technical field of antenna engineering, and particularly relates to an ultra-wide-band low-profile phased-array antenna, which realizes broadband impedance matching characteristics and effectively expands the working bandwidth of the antenna by optimizing a dipole arm structure and introducing a matching branch knot and linear tapered slot composite structure on a radiation unit layer; on the array architecture level, an electromagnetic metasurface technology is adopted, array current distribution is improved through a periodic artificial electromagnetic structure, the active standing-wave ratio is remarkably reduced, the scanning angle of an array is widened, and meanwhile high compression of a system profile is achieved; on the structural design level, a three-dimensional composite structure of a transverse metal floor, a longitudinal radiation layer and a transverse metasurface layer is innovatively constructed, and the overall section height is reduced to 0.137 lambda Low (lambda Low is the lowest working frequency wavelength) through electromagnetic coupling and space folding technologies; in conclusion, the ultra wide band (the relative bandwidth is greater than or equal to 90%) and the low profile (lt; and the method is suitable for a new generation of broadband phased array radar system.

There is disclosed a multi-beam antenna array, comprising a main array of antenna modules, each antenna module comprising a plurality M of individually-steerable antenna elements. The antenna modules are arranged in the main array with N-fold rotational symmetry, the antenna elements are arranged within each module with M-fold rotational symmetry, and each antenna element comprises a sub-array of radiating elements.

Base station antennas include at least one passive internal grid reflector with an array of low band radiating elements projecting forward of a front one of the at least one grid reflector. A mMIMO antenna array resides behind a back one of the at least one grid reflector and is configured to transmit signal through the grid reflector and out a front radome of the base station antenna.

A device may include a radome. A device may include a spacer coupled to the radome. A device may include a first antenna element formed on a first printed circuit board (PCB) and configured to be housed by the radome, wherein the first antenna element is a multi-band antenna element comprising: one or more low-band radiating elements, one or more mid-band radiating elements; and one or more high-band radiating elements. A device may include a second antenna element formed on a second PCB and configured to be housed by the radome, the second antenna element comprising one or more WiFi antenna elements. A device may include a third antenna element formed on a third PCB and configured to be housed by the radome, the third antenna element comprising one or more global positioning system (GPS) antenna elements.

An antenna structure includes a ground element, a feeding radiation element, a connection radiation element, a coupling radiation element, a first shorting radiation element, and a second shorting radiation element. The feeding radiation element has a feeding point. The coupling radiation element is coupled through the connection radiation element to the feeding radiation element. The coupling radiation element is also coupled through the first shorting radiation element to a first grounding point on the ground element. The feeding radiation element is also coupled through the second shorting radiation element to a second grounding point on the ground element. A loop structure is formed by the ground element, the connection radiation element, the first shorting radiation element, and the second shorting radiation element.

An antenna system includes a radiating element layer including a plurality of radiating elements, a reflective frequency selective surface (FSS) layer having a resonance transmission frequency range, and an absorptive FSS layer between the reflective FSS layer and the radiating element layer and having a resonance absorption frequency range. The resonance transmission frequency range is greater than the resonance absorption frequency range.

The invention discloses a Ka-band four-tilt-beam magnetoelectric dipole antenna, and belongs to the technical field of millimeter wave radio frequency front-end devices. Based on a magnetoelectric dipole composite radiation structure, four centrosymmetric radiation units are integrated on a low-loss substrate. The antenna comprises a probe patch of a coaxial gamma-shaped feed probe, a radiation patch, a parasitic patch, an upper dielectric substrate, a lower dielectric substrate, a middle curing layer, a shorter metal through hole of the coaxial gamma-shaped feed probe, a longer metal through hole of the coaxial gamma-shaped feed probe, a metal through hole c of the radiation patch, a metal through hole d of the parasitic patch and a metal ground backboard, a probe patch, a radiation patch and a parasitic patch of the coaxial gamma-shaped feed probe are located on the upper surface of the upper-layer dielectric substrate, and a metal ground backboard is located on the lower surface of the lower-layer dielectric substrate; the antenna has ultra-wide impedance bandwidth, has the characteristics of low cost, miniaturization, low cross polarization and back lobe suppression, and is superior to a traditional inclined beam antenna and an antenna array scheme.

An antenna includes a cross-polarized feed signal network configured to convert first and second RF input feed signals to first and second pairs of cross-polarized feed signals at respective first and second pairs of feed signal output ports. A patch radiating element is provided, which is electrically coupled to the first and second feed signal output ports. The patch radiating element includes an electrically conductive forward-facing surface thereon, which is segmented into four quadrants by four generally L-shaped slots within the electrically conductive forward-facing surface. These four generally L-shaped slots are positioned back-to-back relative each other so that a cross-shaped portion of the electrically conductive forward-facing surface extends between the four generally L-shaped slots and radially outward towards four respective points on a perimeter of the patch radiating element.

An antenna assembly may include at least two PCB bases. Each PCB base may include a first multi-band antenna element, and a second multi-band antenna element, formed on each PCB base. The first multi-band antenna element and the second multi-band antenna elements can include one or more low-band radiating elements, one or more mid-band radiating elements; and one or more high-band radiating elements.

An antenna module is configured to receive a signal from a baseband circuit and to radiate a radio wave. The antenna module includes a dielectric substrate, radiating elements, and a connector. The dielectric substrate includes planar sections having different normal directions. A first radiating element is disposed in or on the planar section. A second radiating element is disposed in or on the planar section. The antenna module is configured to transfer a radio-frequency signal to a third radiating element, which is externally disposed, via the connector. The size of the second radiating element is smaller than that of the third radiating element.

A multi-band antenna includes a reflector that provides a ground plane, a first array of first radiating elements, each of the first radiating elements located on a front side of the reflector and configured to emit first electromagnetic radiation in a low frequency band, a second array of second radiating elements, each of the second radiating elements located on the front side of the reflector and configured to emit second electromagnetic radiation in a high frequency band, and an artificial magnetic conductor (AMC) plane that is located between the reflector and a radiator of the first radiating element and between the reflector and a radiator of the second radiating element. The AMC plane is configured to reflect the first electromagnetic radiation substantially in phase and to reflect the second electromagnetic radiation substantially in antiphase.

Base station antennas are provided that include a reflector assembly and a radiating element. The reflector assembly includes a reflector. The radiating element extends forwardly from the reflector. The reflector includes a nonmetallic substrate, and a metal layer mounted on the substrate.

A base station antenna includes a calibration circuit that has a plurality of pairs of directional couplers and an antenna array that includes a plurality of columns of radiating elements. The first polarization radiators of the radiating elements in each column are electrically connected to a first directional coupler of a respective one of the pairs, and the second polarization radiators of the radiating elements in the column are electrically connected to a second directional coupler of the respective one of the pairs. The directional couplers may be arranged in a manner that reduces in-column coupling and / or that reduces cross-column coupling between adjacent columns of radiating elements.

An antenna system includes a first antenna and a second antenna. The first antenna includes a first radiating element, a first frequency selective surface, and a first feed network. The first radiating element is disposed on a side of the first frequency selective surface, and the second antenna is disposed on a side that is of the first frequency selective surface and that is away from the first radiating element. The first frequency selective surface includes a plurality of first strip-shaped structures and a plurality of second strip-shaped structures. The first strip-shaped structures and the second strip-shaped structures are made of metal. The plurality of first strip-shaped structures intersect with the plurality of second strip-shaped structures to form a plurality of grids. The first feed network includes a first structure, and the first structure is disposed on the first strip-shaped structure.

This application describes multi-band antenna systems and base stations. An example multi-band antenna system includes: a plurality of radiating element arrays, feeding networks separately corresponding to the plurality of radiating element arrays, at least one layer of a frequency selective surface (FSS), and a reflection panel. The plurality of radiating element arrays are located above the reflection panel. All or some of the plurality of radiating element arrays are stacked. The at least one layer of the FSS is located between the stacked radiating element arrays. A feeding network corresponding to at least one radiating element array in the stacked radiating element arrays is electrically connected to the at least one layer of the FSS, or the feeding network corresponding to the at least one radiating element array is integrated on the at least one layer of the FSS.

Base station antennas include a reflector; a first plurality of cross-dipole radiating elements that are arranged as a first array of cross-dipole radiating elements, each cross-dipole radiating element comprising a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm; and a plurality of parasitic monopole elements that are associated with a first of the cross-dipole radiating elements, each parasitic monopole element including a monopole radiator, wherein at least half of each monopole radiator is positioned within a footprint of the first and second dipole radiators of the first of the cross-dipole radiating elements when the first of the cross-dipole radiating elements is viewed from the front.