Abstract: A method for fabricating a radiating element containment and ground plane structure. The method includes positioning post components, wherein each of the post components has at least one channel. The method further includes positioning a ground plane component including insertion slots and post attachment points. The method also includes attaching the post components to the ground plane component such that each post component is electrically grounded to the ground plane component.

Abstract: A first printed circuit board (PCB) assembly can include an embedded electrical connector configured to be mechanically coupled to a corresponding tab-shaped portion of a second PCB assembly, such as to permit insertion of the tab-shaped portion of the second PCB assembly into the embedded electrical connector when the second PCB assembly is aligned in a specified orientation. In an example, the second PCB assembly can include an approximately planar conductive antenna.

Abstract: An antenna can be joined to an antenna feed and positioned perpendicular to a ground plane. The antenna includes a conductive radiator having a cylindrical portion. A slot is formed in the entire length of the cylindrical portion. Two parallel fins extend from the cylindrical portion at the slot. The fins can extend inwardly or outwardly. The antenna feed is connected to the conductive radiator on either side of the slot. An anisotropic magnetic material having a uniaxial permeability tensor is positioned in the slot between the two fins. This material is oriented such that it has a much greater permeability in the radial direction than in the other directions. The interior of the cylindrical portion can be filled with a dielectric material.

Abstract: Embodiments of the present invention disclose a portable terminal and a slot antenna thereof, and relate to the field of mobile communications technologies, which can effectively reduce a space occupied by the antenna and at the same time meet various bandwidth requirements. The slot antenna of the portable terminal includes: a large-area conductor plane laid on a printed circuit board, a battery with a bulk conductor, and a first feeding part, where a slot is formed between the conductor plane and the battery, the conductor plane is radio-frequency coupled to the bulk conductor in the battery through the slot, and the first feeding part is located in the slot. The present invention is applied in designing the antenna of the portable terminal.

Abstract: A network device comprising, a first radio module configured to transmit and receive first radio signals in a first frequency band, a first antenna array configured to transmit and receive the first radio signals for the first radio module in the first frequency band, a second radio module configured to transmit and receive second radio signals in the first frequency band, a second antenna array configured to transmit and receive the second radio signals for the second radio module in the first frequency band, wherein, in operation, the first radio module and the second radio modules function concurrently using the first frequency band while at least 40 dB of antenna isolation is maintained between the first antenna array and the second antenna array.

Abstract: Example methods and systems for implementing slotted waveguide array antenna using printed waveguide transmission lines technology are described herein. One example method may include developing a slotted waveguide array antenna may be developed using a plurality of slotted waveguides aligned in an antenna array, in which each slotted waveguide may be developed using printed waveguide transmission lines technology. Components of the slotted waveguide array antenna may be developed using printed circuit board materials, such as Kapton-type laminate and FR4. In addition, through using printed waveguide transmission line technology, a slotted waveguide array antenna may be configured to radiate millimeter electromagnetic waves and may be configured to operate in radar, navigation, or other high frequency systems.

Abstract: The Figures illustrate an apparatus 2 comprising: a conductive element 4 comprising an area of conductive material 5 defined by a plurality of edges 6, 7 including a first edge 7 wherein the conductive element 4 comprises an interior aperture 12 in the area of conductive material 5 and an elongate portion 20 defined by a gap 14 at the first edge 7 of the conductive element 4 and by at least a portion of the interior aperture 12. The apparatus 2 may comprise a further interior aperture in the area of conductive material and a second elongate portion defined by a second gap, by at least a portion of the interior aperture and by at least a portion of the further interior aperture.

Abstract: An antenna structure includes a dipole antenna element, a meandering connection line, and a cascade radiation element. The dipole antenna element includes a feeding radiation element and a grounding radiation element. The feeding radiation element has at least one open slot. The cascade radiation element is coupled through the meandering connection line to the feeding radiation element.

Abstract: An antenna assembly for an electronic device, the antenna assembly comprising a conductive structure for housing at least a circuit board of the electronic device, an antenna formed as a slot in the conductive structure, a feeding element for feeding the antenna by electromagnetic coupling, the feeding element being positioned between the conductive structure and the circuit board and orientated to extend across said slot, the feeding element being connected to a feed line on the circuit board.

Abstract: A dual polarization array antenna having a plurality of radiation units disposed in an array on a reflecting board of the dual polarization array antenna. Each radiation unit is provided with two pairs of radiation oscillators mounted in an orthogonal polarization position. This greatly improves the consistency of radiation performance between two polarizations of the array antenna, and improves the polarization isolation degree of the array antenna.

Abstract: An antenna device of a mobile terminal having improved performance by utilizing a metal object located in proximity to the antenna device as an antenna radiator is provided. The antenna device includes an antenna pattern connected to a feeder and a ground line, and a metal component positioned on the antenna pattern and including a metal that forms an antenna radiator.

Abstract: Provided is an apparatus for tuning the voltage standing wave ratio (VSWR) of a base station system in a wireless communication network, the apparatus comprising: a VSWR changing unit for changing the characteristics of the VSWR of an antenna by changing electrical signal transmission characteristics of an internal power feedline by means of an external operation, or by changing the characteristics for transceiving a radiating member; a driving unit for driving the VSWR changing unit in accordance with a control signal; a VSWR detection unit for detecting the corresponding VSWR for the installed antenna and generating a detection signal on the basis thereof; and a control unit for controlling the actions of the VSWR changing unit for changing the VSWR characteristics by controlling the operation of the driving unit, if a VSWR characteristic is determined to be in an abnormal state on the basis of the detection signal generated by the VSWR detection unit.

Abstract: The present disclosure is directed toward a notch array antenna comprised of a plurality of notch antenna elements projecting from a surface of a base plate at varying angles to provide an array having an expanding element structure. The plurality of notch antenna elements are organized in a regular spacing in one or two directions along the surface of the base plate and each of the plurality of notch antenna elements is formed by a gap between conductive parts projecting from the first surface of the base plate. The notch array antenna includes a plurality of notch antenna element axes, whereby each notch antenna element axis is defined along a centerline of one of the notch antenna elements. Each notch antenna element axis may extend from the first surface of the base plate at systematically varying angles with respect to an axis perpendicular to the base plate.

Abstract: This disclosure is directed to broadband notch antennas. In one aspect, a notch antenna includes a dielectric plate having a first surface and a second surface located opposite the first surface. A conductive layer is disposed on the first surface and has a notch region that exposes the dielectric plate between edges of the conductive layer. The antenna also includes two or more frequency matching circuits that branch from the notch region. Each matching circuit is configured to send and receive electromagnetic radiation in a frequency band of a radio spectrum.

Abstract: Systems and techniques are provided for a modified Vivaldi antenna with dipole excitation mode. An antenna may include a ground plane and a modified Vivaldi antenna. The modified Vivaldi antenna may include a straight arm with a first end and a second end, the first end being attached to the ground plane, a tapered section, and a balun placed partially between the straight arm and the tapered section. The modified Vivaldi antenna may be placed such that there is a gap between the tapered section and the ground plane. A feed element may be placed such that the feed element crosses the gap between the tapered section of the modified Vivaldi antenna and the ground plane.

Abstract: Embodiments are provided for an antenna element design with high aperture efficiency and stable gain across a frequency range. In an embodiment, the antenna element is obtained by placing a conductive layer on a dielectric substrate, forming a slot in the conductive layer, and forming two feed lines inside the dielectric substrate. A dielectric layer is placed on the dielectric substrate and over the conductive layer and the slot. A circular or elliptical conductive wall is formed inside the dielectric layer. A conductive element is also formed on the dielectric layer and over the slot. One or more second dielectric layers are placed on the dielectric layer and over the conductive element. A second circular or elliptical conductive wall is formed inside each second dielectric layer. A second conductive element is also formed on each second dielectric layer, over the conductive element.

Abstract: An antenna element employable singularly or in an array and configured for concurrent RF transmission and receipt on a plurality of frequencies concurrently. The element is formed of conductive material on a substrate by a pair of substantially identical horns extending in opposite directions to distal tips. A cavity formed between the horns narrows to a narrowest point prior to curving. The element is capable of wideband RF communication on any frequency between a low frequency defined by the distance between the distal tips to a highest frequency defined by the narrowest point of the cavity. The antenna is especially well adapted for portable devices such as smartphones where concurrent cellular, Wi-Fi, and bluetooth communications may be accomplished with a single element. A dielectric planar substrate positioned between the antenna element and a tethered device is employable to reduce a spacing requirement therebetween.

Abstract: An antenna array formed of individual electrically connected pluralities of wideband antenna elements. The array features a centrally located rectangular ground plane having a top surface defined by four edges. Each of said pluralities of elements is engaged to a separate substrate which is engaged along one of the four edges. The substrates may be angled to adjust the footprint of the antenna.

Abstract: An antenna device includes: a cavity part 1 composed of a metal conductor having an opening closed in a bottom; a first excitation circuit 10 superposed and disposed on the upper surface of the cavity part 1, and including inside thereof a first power feeding probe 13 and a first transmission line 14 that feeds electric power to the first power feeding probe 13, and radiating a radio wave of a first polarized wave; and a second cavity part 30 and a third cavity part 50 superposed and disposed on the upper surface of the first excitation circuit 10, and composed of a metal conductor having open holes, and further includes, above the first excitation circuit 10, a matching element 45 composed of a conductor.

Abstract: A radiator element for transmission and reception of RF communications formed of a planar conductive material positioned upon a planar dielectric substrate surface. Two lobes formed of the conductive material have side edges abutting a cavity decreasing in cross section between the lobes. The cavity has a widest point configured to receive RF frequencies at the lowest frequency and a narrowest point configured to receive a highest frequency of the element. The widest and narrowest point may be changed during manufacture to fit the frequency spectrum needed. Opposing pairs of recess cavities formed in the side edges of the lobes along the decreasing edges of the cavity enhance the frequency of operation for frequencies paired to the distance between the pairs of notches. Projections are employable along the side edges to optimize impedance.

Abstract: An antenna device 10 includes at least one dielectric substrate 2, a conductor plate 3 arranged in the dielectric substrate 2, at least one slot 4 formed in the conductor plate 3, at least one stub 5, and at least one via 6. The stub 5 is formed on a surface of the dielectric substrate 2 different from a surface where the slot is formed, the stub 5 being formed to cross the slot 4. The via 6 has one end connected to a periphery of the slot 4 of the conductor plate 3 and another end connected to the stub 5.

Abstract: A wireless charging receiving device includes a body, a metal housing, a receiving coil, and a power storage device. The metal housing is coupled to the body to form an accommodating space. The metal housing includes an aperture and at least one slit. The slit interconnects the aperture and the edge of the metal housing. The receiving coil is disposed between the metal housing and the body. The receiving coil defines a through hole by a looped configuration, and the through hole overlaps at least part of the aperture of the metal housing. The power storage device is disposed within the accommodating space and electrically connected to the receiving coil. Electromagnetic waves are able to pass through the aperture of the metal housing and are magnetically coupled to the receiving coil, such that the receiving coil transfers the energy of the electromagnetic waves to the power storage device.

Abstract: An antenna, including a broadband vertically polarized monopole radiating element, a reflector having a projection in a first plane generally perpendicular to a vertical axis of the monopole radiating element, a plurality of horizontally polarized radiating elements arranged generally concentrically with respect to the monopole radiating element, each one of the horizontally polarized radiating elements having a projection in a second plane generally perpendicular to the vertical axis, the second plane being offset from the first plane in a direction along the vertical axis and a feed arrangement for feeding the monopole and horizontally polarized radiating elements.

Abstract: A dual-polarized antenna array includes at least one Balanced Antipodal Vivaldi Antenna (BAVA) element pair. A particular pair of the at least one BAVA element pair includes a first BAVA and a second BAVA. A substrate of the first BAVA forms a notched portion along a center axis of the first BAVA. A substrate of the second BAVA forms a notched portion along a center axis of the second BAVA. Each BAVA of the particular BAVA element pair includes a plurality of conductors. The notched portion of the substrate of the first BAVA is received by the notched portion of the substrate of the second BAVA, and the notched portion of the substrate of the second BAVA is received by the notched portion of the substrate of the first BAVA. The substrate of the first BAVA is in an orthogonal orientation relative to the substrate of the second BAVA.

Abstract: An antenna device includes a metal plate and an antenna coil. A main portion of the antenna coil includes an insulating substrate and a coil conductor on the substrate. The metal plate includes a first conductor opening and a second conductor opening. The second conductor opening is continuous with the first conductor opening but not continuous with an outer edge of the metal plate.

Abstract: Cavity antennas may be provided for electronic devices. A cavity antenna may have a conductive antenna cavity with an opening. An antenna resonating element may be soldered within the cavity opening. An electronic device may have a display that is covered by a display cover layer. A cavity antenna may be mounted so that the cavity opening is located under a portion of the display cover layer outside of the active display region. An antenna cavity for a cavity antenna may have one or more bends. A curved antenna cavity or a cavity antenna with one or more angled branches may have a portion that extends between a conductive housing wall and internal device components such as a display. A speaker may be formed using the interior volume within a cavity antenna.

Abstract: A broadband antenna element formed of conductive material on a planar substrate is disclosed. The element has two lobes defining a cavity with declining in width from a widest to narrowest point to form a wideband antenna. Angled corners communicating with linear side edges along with stepped angles of the edges defining the cavity, enhance reception and transmission gain.

Abstract: A broadband antenna includes first and second radiating conductors. The first radiating conductor includes a short-circuit portion in a serpentine shape, a first radiating arm resonating in a first frequency band, and a second radiating arm. The second radiating conductor includes a feed-in portion coupling with the first radiating arm, a third radiating arm resonating in a second frequency band, and a fourth radiating arm. At least a part of the third radiating arm is in a serpentine shape, couples with the first radiating arm, and resonates in a third frequency band with the short-circuit portion and the second radiating arm. The fourth radiating arm resonates in a fourth frequency band.

Abstract: Technologies pertaining to converting infrared (IR) radiation to DC energy are described herein. In a general embodiment, a rectenna comprises a conductive layer. A thin insulator layer is formed on the conductive layer, and a nanoantenna is formed on the thin insulator layer. The thin insulator layer acts as a tunnel junction of a tunnel diode.

Abstract: An antenna array employing continuous transverse stubs as radiating elements includes a first conductive plate structure including a first set of continuous transverse stubs arranged on a first surface, and a second set of continuous transverse stubs arranged on the first surface, wherein a geometry of the first set of continuous transverse stubs is different from a geometry of the second set of continuous transverse stubs. A second conductive plate structure is disposed in a spaced relationship relative to the first conductive plate structure, the second conductive plate structure having a surface parallel to the first surface. A relative rotation apparatus imparts relative rotational movement between the first conductive plate structure and the second conductive plate structure.

Abstract: A three-dimensional multiple spiral antenna includes a substrate, a plurality of spiral antenna sections, and a feed point module. The substrate has a three-dimensional shaped region and each spiral antenna section is supported by a corresponding section of the three-dimensional shaped region and conforms to the corresponding section of the three-dimensional shaped region such that, collectively, the spiral antenna sections have an overall shape approximating a three-dimensional shape. The feed point module is coupled to a connection point of at least one of the spiral antenna sections.

Abstract: An antenna includes a tubular, conductive radiator having a longitudinal slot formed therein from a first end of the conductive radiator to a second end of the conductive radiator. An antenna feed can be joined to the conductive radiator adjacent to and across the slot. An anisotropic plate is positioned a uniform distance from the conductive radiator, centered above the slot. The plate extends beyond the length of the radiator and is electrically insulated therefrom. An anisotropic tube surrounds the plate and radiator. The anisotropic tube is electrically insulated from the plate and radiator. In use, this antenna gives enhanced bandwidth over ordinary slotted antennas. This can also be applied to preexisting slotted antennas for enhanced bandwidth.

Abstract: An antenna includes a substrate, a feed line formed on one surface of the substrate, a ground plane formed on the other surface of the substrate, a short-circuit stub that extends from a terminating end of the feed line and contacts the ground plane, and slits formed on the ground plane so as to cross the feed line.

Abstract: An antenna system comprises a first end-fire antenna element and a second end-fire antenna element facing each other in a planar arrangement, the antenna elements being configured such as to cause destructive interference between individual end-fire radiations of the elements, while maintaining constructive interference generally perpendicular to the planar arrangement.

Abstract: An antenna structure includes a dielectric substrate, a slot antenna, and a feeding strip. The dielectric substrate has a first surface and a second surface opposite to the first surface. The slot antenna includes a ground plane positioned on the first surface of the dielectric substrate, and a slot defined in the ground plane where the conductive material is missing. The slot opens at an edge of the ground plane. The feeding strip is positioned on the second surface of the dielectric substrate and extends across the slot, the feeding strip resonates with the slot antenna.

Abstract: A broadband antenna element for RF transmission and reception over cellular frequencies. The antenna element is formed of conductive material on a substrate surface of conductive material in the form of a pair of half portions extending in opposite directions to distal tips defining the widest distance of a mouth of a cavity. The mouth converges to reduce in cross-section to a narrowest point at a plurality of different flare angles defined by the edges of the two half portions in between the pair of half portions forming the element. The resulting antenna element radiates and receives a wide band cellular frequencies enabling a single element to serve different providers operating on different frequency bands in the cellular spectrum between 680 MHz to 1900 MHz.

Abstract: In one embodiment a method to form a load bearing antenna aperture comprises forming a honeycomb core structure having a plurality of wall sections, the wall sections including electromagnetic radiating elements, and wherein lower surfaces of the wall sections defines a first surface and upper surfaces of the wall sections define a second surface, positioning a back skin to the first surface of the honeycomb core structure with an adhesive layer which comprises a layer of adhesive film and a paste adhesive disposed on the layer of adhesive film. Other embodiments are disclosed.

Abstract: A communication device includes a ground element and an antenna element. The antenna element is disposed on a dielectric substrate which is adjacent to an edge of the ground element. The antenna element includes a radiating element, a shorting element and a feeding element. The radiating element has a first open end, a second open end and a shorting point. The radiating element is divided into a first element and a second element by the shorting point. The first element includes the first open end, and the second element includes the second open end. One end of the shorting element is coupled to the shorting point through a first inductive element, and another end is electrically connected to the ground element. The feeding element and the first element are spaced by a coupling gap, and the feeding element is coupled to a signal source through a matching circuit.

Abstract: A system may include a base portion, first and second support members coupled to the base portion, a first plurality of tapered slot antenna (TSA) pairs coupled to the first support member, and a second plurality of TSA pairs coupled to the second support member. The first plurality TSA pairs are oriented at a non-zero angle about a first axis of the first support member and are oriented at a non-zero angle about a second axis of the first support member, with the second axis being perpendicular to the first axis. The second plurality TSA pairs are oriented at a non-zero angle about a first axis of the second support member and are oriented at a non-zero angle about a second axis of the second support member, with the second axis being perpendicular to the first axis.

Abstract: The notch-antenna array includes at least one notch-antenna array element that includes a first notch-antenna radiator, and a second notch-antenna radiator disposed at an angle to said first notch-antenna radiator. The angle is preferably 90 degrees and the element is either a slant antenna or an orthogonal antenna. The first notch-antenna radiator and the second notch-antenna radiator are formed integrally with one another. Each of the first and second notch-antenna radiators has substantially planar opposing surfaces and a flared notch formed therein. Each of the first and second notch-antenna radiators have substantially planar opposing surfaces and a slot configured to receive a printed circuit board therein formed between the substantially planar opposing surfaces. The printed circuit board includes a substrate with one or more dielectric layers, and a feedline.

Abstract: The invention is directed to a broadband, low-profile antenna structure that in one embodiment includes a compound radiator and a ground plane. The compound radiator is comprised of a dipole radiator portion and a Vivaldi radiator portion that is electrically connected to the dipole radiator portion. In operation, the dipole radiator portion operates in the lower end of the bandwidth and the Vivaldi radiator portion operates in the upper end of the bandwidth.

Abstract: A three-dimensional antenna includes an L-shaped grounding element and an L-shaped radiating element. The grounding and radiating elements are arranged in a U shape. The grounding element includes a first grounding segment, a second grounding segment extending from the first grounding segment, and a short-circuit point disposed at the second grounding segment. The radiating element includes a first radiating segment opposite to the first grounding segment, a second radiating segment extending from the first radiating segment and adjacent to the second grounding segment, a feeding point disposed at the second radiating segment, and two radiator arms being able to generate respective resonant frequencies.

Abstract: A mobile device having a periphery and including a substrate, a feeding line, and a resonance element is provided. The substrate has a ground plane and the feeding line is disposed on the substrate. The resonance element is formed on at least a portion of the periphery. The resonance element is electrically connected to the feeding line and the ground plane respectively via a first feeding point and a first ground point, so as to form a first excitation path. The resonance element receives and transmits a first radio frequency signal and a second radio frequency signal via the first excitation path.

Abstract: Wireless electronic devices may include a ground plane, a double ring antenna and non-cellular antennas integrated within the double ring antenna. The double ring antenna may comprise first and second metal rings around the perimeter of a ground plane to operate as MIMO cellular antennas. At least one non-cellular antenna, such as a MIMO Wi-Fi antenna, may be integrated between the first and second metals rings on one or more sides of the wireless electronic device.

Abstract: Antenna designs are disclosed that exhibit both high bandwidth and efficiency. A first aspect of the invention concerns the form factor of the antenna; a second aspect of the invention concerns the ease with which the antenna is manufactured; and a third aspect concerns the superior performance exhibits by the antenna across a large bandwidth.

Abstract: An electromagnetic band gap device is provided, comprising: a conductive plane; a non-conductive substrate located over the conductive plane; and an electromagnetic band gap unit cell that includes a first via located in the non-conductive substrate and filled with a conductive material, a second via located in the non-conductive substrate and filled with the conductive material, a first conductive surface located on the non-conductive substrate over the first via, and a second conductive surface located on the non-conductive substrate over the second via, wherein the electromagnetic band gap unit cell is configured to operate as an LC resonant circuit in conjunction with the conductive plane, at least one gap is located in the electromagnetic band gap unit cell, the at least one gap being located in the first via, in the first conductive surface, in the second conductive surface, and in the second via.

Abstract: Horizontally polarized and dual polarized antennas are described herein. In some examples, a horizontally polarized and dual polarized antenna may be mounted or operated with the physical vertical axis of the antenna being substantially perpendicular to a plane defined by the surface of the earth, and emanate an electric field that is parallel to the surface of the earth. The antenna may have a multi-slot aperture that reduces a variation in the far field omni-directional pattern. The antenna may have various cross-sectional configurations, and may have a radome at least partially surrounding the antenna and a supporting structure.

Abstract: There is provided a dielectric cavity antenna including: a multilayer substrate having an opening formed in at least a portion of a predetermined surface thereof; a dielectric cavity inserted into the multilayer substrate to radiate an electromagnetic wave signal through the opening; a feed line feeding power to the dielectric cavity; and at least one metal pattern formed in an inner portion of the dielectric cavity or on a surface thereof to thereby be electromagnetically coupled to the feed line.

Abstract: A chip package includes a set of layers including conductive planes connected by vias. A first portion has at least one antenna, antenna ground plane, and first grounded vias. A second portion has a conductive plane parallel to the ground plane that forms an interface for connecting to at least one integrated circuit device. A third portion between the first and the second portion has a vertical transmission line that includes a signal via connecting the antenna feed line to the at least one integrated circuit and a parallel-plate mode suppression mechanism. The parallel-plate mode suppression mechanism includes a grounded reflector that forms a cage with the grounded vias around an antenna region and further includes second ground vias surrounding the signal via.

Abstract: A slot antenna includes a dielectric substrate, a conductor surface provided on one of surfaces of the dielectric substrate, a slot formed by making a cut in the conductor surface, one end of the cut forming an opened end on an edge of the conductor surface, and a stub formed inside the slot, the stub being connected to one of opposing sides of the slot by using a connection part, in which the stub is formed in such a manner that a length of the connection part becomes longer than a distance between a side opposing to the side connected to the connection part and the stub.