Abstract: An access point has a housing with at least one connector for at least one external antenna and at least one connector for at least one internal antenna. An RF controller detects whether the at least one external antenna is connected to the at least one connector for the at least one external antenna when an open circuit is closed. Responsive to detecting that the at least one external antenna is connected, a first mode in which the at least one internal antenna supports RF capabilities switches to a second mode wherein the at least one external antenna supports RF capabilities.

Abstract: An antenna pane includes an electrically insulating substrate, an electrically conductive functional layer on a surface of the substrate, and an antenna structure, which includes an electrically conductive antenna layer for receiving and/or transmitting high-frequency antenna signals, the antenna layer being galvanically separated from the functional layer, wherein a high-frequency technical resistance between the antenna layer and the functional layer for high-frequency antenna signals is at least 10 ohm, wherein the antenna layer has a first connection region and the functional layer has a second connection region, and an insulating line that electrically divides the functional layer into a first and second functional layer zone that are galvanically separated from one another, but are coupled using high-frequency technology such that a high-frequency technical resistance for high-frequency antenna signals is less than 1 ohm, wherein the second connection region is contained in the second functional layer z

Abstract: A phase shifter, a fabrication method thereof, and an antenna are provided. The phase shifter includes a first substrate, a second substrate, a ground electrode disposed on a side of the first substrate facing towards the second substrate, a transmission electrode disposed on a side of the second substrate facing towards the first substrate, and liquid crystals filled between the first substrate and the second substrate. In a direction perpendicular to a plane of the second substrate, the transmission electrode overlaps with the ground electrode. The ground electrode is provided with a detection hollow part, and in the direction perpendicular to the plane of the second substrate, at least a part of the detection hollow part does not overlap with the transmission electrode.

Abstract: A nonreciprocal phased-array antenna includes an array of resonant antennas a1, . . . , an. During transmission, an outbound signal having a frequency f0 and a phase shift ?di caused by propagation through a data network feeds into each resonant antenna ai. Each resonant antenna ai upconverts the outbound signal using a modulation signal having a frequency fm and a phase shift ?mi caused by propagation through a modulation network to produce an upconverted radiated signal having a frequency f0+fm and a phase proportionate to ?di+?mi. During reception, an inbound signal of frequency f0+fm is received at each resonant antenna ai and is downconverted using the modulation signal to produce a downconverted signal having a frequency f0 and a phase proportionate to ??mi. After passing through the data network to the inbound port, the downconverted signal has a phase proportionate to ?di??mi.

Abstract: Embodiments provide tower-mountable base station antenna enclosure systems to reduce effective wind loads of housed antenna components. The enclosure systems can include wind deflection radomes sized to house antenna components and mountable to tower structures by rotatable couplings. For example, embodiments can have a rotational axis that is substantially transverse to primary wind directions, and the wind deflection structures can be mounted in a manner that permits substantially free rotation around the axis. Such enclosure systems can reduce the wind load of the antenna as deployed on a tower, such that a smaller marginal structural impact can be attributed to deployed antenna components, and the antenna components can be considered as smaller structural loads on the tower.

Abstract: A microwave-doppler detecting module and device thereof are provided, wherein the microwave-doppler detecting module includes an electromagnetic reflecting surface and at least a pair of antithetical dipoles spacingly disposed to the electromagnetic reflecting surface. When the first and second radiating source poles respectively extended from a first and second feed ends of the pair of antithetical dipoles are respectively fed by the same excitation signal feed source at the first feed end and the second feed end, the current and the potential distribution of the first radiating source pole and the second radiating source pole can present an antithetical distribution state and antithetically coupled to the midpoint of the connection of the first feed end and the second feed end, so as to reduce the size requirement of the microwave-doppler detecting module and to avoid detection dead zone from occurring.

Abstract: Parametric flat lenses, which are an alternative to conventional flat lenses, are described for performing near-field imaging and electronic beam scanning. These lenses can electronically direct the near or far fields, and in some cases even achieve a conversion gain. The lens incorporates a plurality of input and output antennas between which are a plurality of parametric mixers. The parametric mixers can be utilized as well to change phase relationships in accommodating different input pattern or directing the output in different ways. The disclosure also describes a proof of concept implementation using off the shelf components.

Abstract: An antenna includes a folding mechanism for configuring the antenna into at least one of a first configuration and a second configuration. When in the first configuration, the antenna is configured for operational use. When in the second configuration, the antenna is configured for shipping in a package. A locking apparatus secures the antenna in either configuration. The folding mechanism and the locking mechanism configure the antenna into the first configuration. A method for preparing for shipment an antenna having a reflector with a width, a height, and depth, a backing structure coupled to the reflector, a first swivel plate, coupled to the backing structure, a feed arm bracket coupled to the first swivel plate, and a feed arm coupled to the feed arm bracket. The first swivel plate facilitates yaw rotations of the feed arm bracket, relative to the backing structure.

Abstract: A communication device includes a first lens, a feeder array, and control circuitry communicatively coupled to the feeder array. The first lens is associated with a defined shape, which further exhibits a defined distribution of dielectric constant. The feeder array includes a plurality of antenna elements that are positioned in proximity to the first lens. The control circuitry equalizes a distribution of a gain from the received first lens-guided beam of input RF signals across the feeder array and different scan directions of the plurality of antenna elements. The equalized distribution of gain is based on the defined distribution of dielectric constant within the first lens and the proximity of the feeder array to the first lens.

Abstract: An antenna mounting system configured to be attached to the structure of a communications tower and to connect with additional mounting systems located adjacent on the tower. The system is secured to the tower structure via a multi piece clamp configured to attach to tower elements of varying sizes and shapes and which may be joined together with one or more adjacent mounting systems. Single piece side frames with X shaped central bracing are attached to the mounting clamp and further attached to multiple face members. The face members are used to attach members which serve as the ultimate mounting points for antenna equipment as well as members to brace the mounting system to the tower structure or an adjacent mounting system. The system is configured that it may be adjusted for azimuth once installed on the tower and features an azimuth guide for making precise adjustments.

Abstract: The present invention relates to an antenna apparatus, which specifically comprises: a filter unit which is disposed to form at least one layer; an electric appliance unit which is coupled and is spaced apart from the filter unit to form a layer different from that of the filter unit, and includes various electric devices installed therein; a filter unit heat dissipation module which is coupled to the opposite surface of a surface of the filter unit, the surface being coupled to the electric appliance unit, and thus radiates heat generated from the filter unit to the outside; and an electric appliance unit heat dissipation module including a first electric appliance unit heat dissipation module and a second electric appliance unit heat dissipation module, wherein: the first electric appliance unit heat dissipation module is coupled to the opposite surface of a surface of the electric appliance unit, the surface being coupled to the filter unit, and thus radiates, to the outside, heat generated from first heat

Abstract: A laminated glazing panel includes an outer pane of glass and an inner pane of glass, the inner pane of glass being laminated to the outer pane of glass by a thermoplastic interlayer. The panel further has an antenna structure including: (a) a feeding structure comprising at least one ground conductor and a signal conductor, the least one ground conductor being electrically isolated from the signal conductor by a gap, and (b) a radiator, fed by the feeding structure and electrically connected to the signal conductor. The panel also has a connector, to power the antenna structure, that includes a further conductor connected to the signal conductor, and at least one conductor connected to the at least one ground conductor. The radiator, the signal conductor and the extremity of the further conductor are provided on at least one of the surfaces of the inner faces of the glass panes.

Abstract: A communication device includes a lens having a defined shape. A feeder array comprising a plurality of antenna elements that are positioned in a specified proximal distance from the lens to receive a lens-guided beam of input radio frequency (RF) signals through the lens. The specified proximal distance is less than a focal length of the lens. The lens covers the feeder array as a radome enclosure. A distribution of a gain from the received lens-guided beam of input RF signals is substantially equalized from a radiation surplus region to a radiation deficient region of the feeder array to increase at least a reception sensitivity of the plurality of antenna elements for at least the lens-guided beam of input RF signals, based on the defined shape of the lens and the specified proximal distance of the feeder array to the lens.

Abstract: A system having a platform upon which several phased antenna arrays are mounted and which can communicate with satellites. The system includes a switch that can connect any of the phased array antennas to any of available modems. The system further includes a router that can connect any of the modems to any available computing devices. Based on parameters such as data rates, signal strength, and account information, one or more communication paths are selected for a computing device requesting to communicate with a satellite. Each communication path is established by operating the switch to connect a selected antenna to a selected modem, and operating the router to transfer data between the computing device and the selected modem.

Abstract: A communication device includes a system board that includes a plurality of chips. Each chip in plurality of chips includes a plurality of antennas. A system cover coupled to system board includes a plurality of lenses. Each lens is configured to cover an antenna of plurality of antennas as a radome enclosure. Each lens includes a base, and a first tubular membrane coupled to base. A second membrane coupled to first tubular membrane. First tubular membrane and Second membrane cause the lens to have a bell shape. A support structure coupled to first tubular membrane. Support structure facilitates coupling of plurality of lenses to system cover. Each chip comprises a feeder array that further comprises a plurality of antenna elements that are positioned at a proximal distance from base of a lens, A distribution of a gain of input RF signals is substantially equalized across plurality of antenna elements.

Abstract: A waveguide structure for a compact and scalable dual-polarized antenna array. In one example, a waveguide device comprises septum polarizers dividing common waveguides into first waveguides associated with a first polarization and second waveguides associated with a second polarization. The sets of septum polarizers may be inverted relative to each other to form first groups of four adjacent first waveguides for each type of waveguide. The waveguide device may also include a waveguide feed network including a first waveguide feed stage including waveguide combiner/dividers coupled between the four adjacent waveguides intermediate waveguides. The waveguide device may further include a second waveguide feed stage coupled with the first intermediate waveguides and the second intermediate waveguides, wherein the second waveguide feed stage extends in a direction perpendicular to the first waveguide feed stage.

Abstract: A communication device includes a first lens, a feeder array, and control circuitry communicatively coupled to the feeder array. The first lens is associated with a defined shape, which further exhibits a defined distribution of dielectric constant. The feeder array includes a plurality of antenna elements that are positioned in proximity to the first lens. The control circuitry equalizes a distribution of a gain from the received first lens-guided beam of input RF signals across the feeder array and different scan directions of the plurality of antenna elements. The equalized distribution of gain is based on the defined distribution of dielectric constant within the first lens and the proximity of the feeder array to the first lens.

Abstract: In one example, an antenna system is described. The antenna system includes a primary antenna on an aircraft. The primary antenna is mechanically steerable and has an asymmetric antenna beam pattern with a narrow beamwidth axis and a wide beamwidth axis at boresight. The antenna system also includes a secondary antenna on the aircraft, the secondary antenna including an array of antenna elements. The antenna system also includes an antenna selection system to control communication of a signal between the aircraft and a target satellite via the primary antenna and the secondary antenna. The antenna selection system switches communication of the signal from the primary antenna to the secondary antenna when a performance characteristic for communication with the target satellite satisfies a threshold due to a position of the aircraft relative to the target satellite.

Abstract: A monocone antenna is described for V2X wireless communications. To achieve ultrawide bandwidth, low-profile, omnidirectional radiation, an implementation comprises various components including a circular monocone, a capacitive feed, a ring with grounding vias, capacitive bars, and conductive cylinders. Another implementation comprises a monocone, a capacitive feed, a ground ring with grounding vias, a plurality of first meander lines, each having a first size, and a plurality of second meander lines each having a second size, wherein the second size is larger than the first size.

Abstract: Disclosed is a system and method for wirelessly monitoring process conditions within a reactor vessel. A sensor-enabled radio frequency identification tag is located within a catalyst bed of a vessel and used to measure various conditions within the vessel. The sensor-enabled RFID tag is wirelessly linked to a reader for transmitting interrogation signals and for receiving transponder signals from the sensor-enabled RFID tag that carry information representative of the measured condition.