Abstract: Magnetodielectric (MD) metamaterials have a magnetodielectric (MD) substrate of a ferrite composition or composite having a characteristic impedance matching an impedance of free space and at least one frequency selective surface (FSS). The FSS has a plurality of frequency selective surface elements disposed in a pattern and supported on the MD substrate. The FSS has a conducting composition and is configured to permit one or more of transmission, reflection, or absorption at a selected resonant frequency or selected frequency band. Articles incorporating magnetodielectric metamaterials are provided.

Abstract: Provided are electronic devices, an antenna structure and a wearable device. The wearable device includes a metal casing including a bottom casing and a side frame surrounding an edge of the bottom casing and integrally connected with the bottom casing, the antenna structure includes a slot in the side frame, and the slot has a first end and a second end opposite to the first end in the first direction. The first direction is the direction surrounding the edge of the bottom casing; the slot is provided with an opening at the first end, and the opening faces the side away from the bottom casing; in the first direction, length from the first end to the grounding end of the slot is ¼ of operating wavelength; and a feeding terminal is arranged between the first end and the grounding end of the slot, and is close to the grounding end.

Abstract: According to an aspect, a display device includes a display module including a display panel and a conductive layer, and an enclosure configured to surround the display module, where the enclosure includes a conductive portion. The display device includes an antenna having a structure formed by an air gap disposed between the conductive layer and the conductive portion of the enclosure. The antenna includes an antenna feed located within the air gap. The antenna feed is coupled to the conductive portion of the enclosure and to the conductive layer such that at least a portion of the display module is configured as a radiating element for wireless communication.

Abstract: Antenna systems have an RF connector, a PCB dipole antenna, and a radome. The RF connector provides a direct connection to the PCB and limits PIM. An omni-directional WiFi antenna has a pair of horizontal dipole antennas on a PCB having different wavelengths and same frequency. An omni-directional UMTS dual antenna has a vertical arrangement of two independent antennas on a PCB and has a jumper printed circuit board connecting the RF connector to the upper antenna. Corresponding connectors, radomes, and ways of combining antenna elements on a single PCB are also disclosed. A single frequency omnidirectional antenna includes both half and full wavelength dipole elements. A plus-shaped radome enhances the omnidirectional radiation pattern of the enclosed antenna. A jumper printed circuit board allows independent antennas on a single circuit board without the degradation of internal coaxial connections.

Abstract: An antenna includes a feed contact, a first antenna branch and a second antenna branch, wherein the first antenna branch and the second antenna branch are respectively electrically connected with the feed contact, forming electromagnetic coupling; the first antenna branch has a specified length for sending and receiving signals in a first frequency band; and the second antenna branch has a specified length for sending and receiving signals in a second frequency band. A terminal device including such an antenna can have improved appearance, improved effect of receiving communication signals in different frequency bands, reduced RF loss, and improved the utilization of the internal space.

Abstract: An antenna includes a first portion and a second portion. The first portion is of a first shape and the second portion is of a second shape. The second portion is connected to the first portion by a junction. The antenna operates in a first frequency band and a second frequency band.

Abstract: An antenna system that includes a lens portion having a radiation-side curved surface and a feed-side reception surface, the lens portion structured to focus radio frequency radiations entering from the radiation-side curved surface on a focal point located at the feed reception surface and one or more antenna elements at or near the focal point, the one or more antenna elements being separated from each other by a fractional multiple of a center wavelength of a frequency band of operation, and each antenna element communicatively coupled to one or more radio frequency transmit and/or receive chain and being able to transmit and/or receive data from the radio frequency transmit chain according to a transmission scheme.

Abstract: Various apparatuses for use in a wireless network are disclosed. A first apparatus comprises two antennae oriented orthogonally, a biosensor capable of reading a user's fingerprint, and a housing comprising a groove for guiding a user's finger, the groove physically separating the antennae, effectively creating a radome for each antenna. A second apparatus comprises a printed circuit board (PCB) a port, a shell enclosing the PCB, and at least one horseshoe gasket, the shell and gasket creating a waterproof seal isolating the port and the external environment from the rest of the PCB. A third apparatus comprising a bracket for attaching a housing to a building material, an aiming annulus for aiming the housing and the housing. Wherein two or more of the bracket, aiming annulus and housing may be joined in order to mount and aim the housing using one or more structures on the components.

Abstract: An electronic device may be provided with an antenna module. A phased antenna array of dielectric resonator antennas may be disposed within the antenna module. The dielectric resonator antennas may include dielectric columns excited by feed probes. A flexible printed circuit may include transmission lines coupled to the feed probes. The flexible printed circuit may have a first end coupled to the antenna module and extending towards peripheral conductive housing structures forming an additional antenna and a second end coupled to transceiver circuitry. Ground traces on the flexible printed circuit may be shorted to ground structures at the first and second ends to improve the antenna efficiency of the additional antenna. The flexible printed circuit may include an elongated slot with overlapping conductive structures and laterally surrounded by a fence of conductive vias to improve the flexibility of the flexible printed circuit while providing satisfactory antenna performance.

Abstract: The present disclosure includes an omnidirectional dielectric resonator antenna (DRA). The omnidirectional DRA comprises a substrate, a dielectric, and a planar antenna positioned between the substrate and the dielectric. The planar antenna comprises a central planar feed positioned on the substrate. The planar antenna also comprises a plurality of feed lines coupled to, and extending outward from, the central planar feed. The planar antenna also comprises a plurality of arms coupled to the plurality of feed lines. Each arm extends from a corresponding feed line.

Abstract: Methods, systems, and devices for wireless communication are described. According to one or more aspects, the described apparatus includes one or more stacks of patch radiators (such as patch antennas) comprising at least a first patch radiator and a second patch radiator. The first patch radiator is associated with a low-band frequency; the second patch radiator is associated with a high-band frequency. The first patch radiator and the second patch radiator may overlap a ground plane, which may be asymmetric. Some or all patch radiators in a stack may be rotated relative to the ground plane, such that some or all edge of a patch radiator may be nonparallel with one or more edges of the ground plane. Further, each patch radiator stack may include separate feeds for each of at least two frequencies and two polarizations, and thus at least four feeds (one for each frequency/polarization combination) in total.

Abstract: The present disclosure relates to coaxial dual-band antennas. One example antenna includes a waveguide tube, a ring groove, and a high frequency feed. The waveguide tube has a tubular structure and is configured to transmit a first electromagnetic wave. The ring groove whose opening direction is the same as an output direction of the first electromagnetic wave is on a wall of the waveguide tube. A frequency of the first electromagnetic wave is lower than a frequency of an electromagnetic wave transmitted by the high frequency feed. The high frequency feed is located in the waveguide tube and has a same axis with the waveguide tube.

Abstract: A mount for an antenna includes: a base panel; a plurality of first spokes extending radially outwardly from the base panel, each of the first spokes being cantilevered and including a first slot; and a plurality of second spokes, each of the second spokes including a vertical member and a flange that is generally parallel with the base panel and generally perpendicular to the vertical member, each of the second spokes including a second slot, and each of the flanges including a third slot.

Abstract: An antenna device includes first and second radiating elements, and an antenna coupling element. The antenna coupling element includes a primary coil electrically connected between the first radiating element and a feed circuit and a secondary coil inductively coupled to the primary coil and electrically connected between the second radiating element and a ground. A capacitor is provided between the primary coil and the secondary coil, thus causing current to flow from the primary coil to the secondary coil or the second radiating element via the capacitor even at an anti-resonant frequency of the first radiating element.

Abstract: A structure includes first to fourth conductors. The first conductor extends along a second plane including a second direction and a third direction intersecting with the second direction. The second conductor faces the first conductor along a first direction intersecting with the second plane and extends along the second plane. The third conductor capacitively connects the first conductor and the second conductor. The fourth conductor is electrically connected to the first conductor and the second conductor, and extends along a first plane including the first direction and the third direction. The third conductor includes a first conductive layer and a second conductive layer capacitively connected to the first conductive layer. The second conductive layer is positioned between the first conductive layer and the fourth conductor in the second direction. The first conductive layer has more thickness in the second direction as compared to thickness of the second conductive layer.

Abstract: Various aspects directed towards an integrated transverse electromagnetic (TEM) transmission line structure for probe calibration are disclosed. In one example, the integrated TEM transmission line structure includes a printed circuit board (PCB) and an air-dielectric coplanar waveguide (CPW). For this example, the air-dielectric CPW includes an air trace in a cutout slot of the PCB. In another example, a method is disclosed, which includes forming an air-dielectric CPW on a PCB in which the air-dielectric CPW includes an air trace in a cutout slot of the PCB. In a further example, an integrated TEM transmission line structure includes an air-dielectric CPW with an air trace. For this example, a first connector is electrically coupled to a first end of the air-dielectric CPW, and a second connector is electrically coupled to a second end of the air-dielectric CPW.

Abstract: The present disclosure relates to the technical field of antennas and provides a dual-frequency current-balancing quadrifilar helical antenna, which belongs to the technical field of antennas in multi-mode global satellite navigation system. The dual-frequency current-balancing quadrifilar helical antenna comprises a radiating part and a feeding part, wherein: the radiating part comprises a hollow column and four sets of spiral arms with the same specifications and equal intervals; the spiral arms are wound on a surface of the hollow column and the feeding part is mounted at an end of the hollow column; each set of spiral arms comprises a main radiating arm and an auxiliary radiating arm; terminals of the main radiating arm and the auxiliary radiating arm are open-circuited or short-circuited, and a coupling component is arranged at an open-circuited or short-circuited terminal.

Abstract: An antenna assembly includes an antenna and a heatsink. The antenna may be configured to support radio communications and generate heat, and may include a forward antenna surface configured to transmit or receive communications signals and a rear antenna surface that is affixed to a substrate. The heatsink structure may be positioned to be within a forward electromagnetic field that is emitted from the forward antenna surface and away from the rear antenna surface. The heatsink structure may be configured to perform a convection operation between the antenna and a fluid to perform thermal dissipation of the heat from the antenna.

Abstract: An antenna device includes a substrate, a first antenna element extending in a direction perpendicular to a first surface of the substrate and functioning as a monopole antenna, a second antenna element provided adjacent to the first antenna element, extending in the direction perpendicular to the first surface of the substrate, and functioning as a monopole antenna, a ground layer provided in or on the substrate, a connection wire provided in or on the substrate and connecting the first antenna element and the second antenna element to each other, a power feeding line provided in or on the substrate and connected to the connection wire, and a first reflector provided in a direction in which the first antenna element and the second antenna element are adjacent to each other and facing the first antenna element and the second antenna element.

Abstract: An antenna structure is provided, including a substrate, an impedance control line, a first impedance control area, and a metal element. The impedance control line is located on the first side of the substrate. The first impedance control area is arranged on the substrate, located on one side of the impedance control line, close to the second end of the impedance control line, and separated from the impedance control line by a first hollow part. The metal element is arranged on the substrate and connected to the first end and the second end of the impedance control line, and the first impedance control area. As such, the present invention controls the impedance in the high frequency range between 5.85 and 7.25 GHz through the impedance control line and the first impedance control area, provides a complete current flow area, and improves the impedance control effect, efficiency, and gain.