Abstract: An antenna structure includes a main radiator element, a parasitic radiator element, a feeder and at least one first high-impedance member. The parasitic radiator element is disposed in parallel with the main radiator element. The feeder is configured to electrically or electromagnetically couple the main radiator element. The at least one first high-impedance member directly contacts the parasitic radiator element and is configured to be electrically grounded.

Abstract: A patch antenna includes a dielectric substrate formed by a high dielectric coefficient material covered with a soft material. The dielectric substrate has a first surface, an opposite second surface, and surrounding side surfaces there between. The patch antenna further includes a radiating metal arm formed on at least the first surface with a thin metal layer in a specific shape, a grounding metal plate disposed on the second surface, and a parasitic metal arm extending from the grounding metal plate towards the first surface via at least one of the side surfaces. The parasitic metal arm is approximate but not connected to the radiating metal arm. The radiation metal arm further includes an enclosed slot, together with the parasitic metal arm, improve the working bandwidth and high directivity of the antenna.

Abstract: An array antenna of a radar includes a liquid crystal polymer (LCP) substrate with antenna transceiver circuits embedded. A plurality of patch array antennas are disposed on the LCP substrate and connected to the antenna transceiver circuit. Each patch array antenna includes a plurality of patch antennas connected in series, and the foremost patch antenna has a concave slot on the radiating surface by each side of respective feed line. By use of a LCP substrate can ensure stable material characteristics in different environments. Compared with a single patch antenna, the gain may be improved by 6 dB by connecting four patch antennas in series. A concave slot is formed on a radiating surface of a patch antenna to optimize a feed impedance, thereby to improve a working bandwidth of the antenna to alleviate an excessively narrow bandwidth of a patch antenna.

Abstract: An antenna assembly of PCB layers and waveguide layers includes a driven PCB layer with an array of unit cells. Each cell includes a central first element (e.g., a receive patch) and four second elements (e.g., transmit patches) evenly spaced around the first element in a square configuration. Distances between adjacent aligned first elements are equal, and less than the first elements' operating frequency. Distances between adjacent aligned second elements are equal, and less than the second elements' operating frequency. First and second combiner layer conductively couple first elements and second elements, respectively, to one or more first or second combiner pads to facilitate interfacing the elements with waveguides. First and second waveguides formed into separate plates communicatively coupled to their corresponding combiner layer.

Abstract: A circularly polarized array antenna may include: a dielectric material substrate; and at least one unit antenna including a plurality of radiators arranged sequentially in a rotational direction on the dielectric material substrate such that feeders of the plurality of radiators have a phase difference. The plurality of radiators may be arranged in a diagonal direction with respect to a first direction and a second direction crossing each other. Radiators neighboring each other in the first direction or the second direction, among the plurality of radiators, may be spaced apart by a gap of at least a width of the radiators neighboring each other in the first direction or the second direction.

Abstract: An antenna module includes a radiation electrode in which a radio frequency signal is supplied to a first feed point and a second feed point. The antenna module further includes a feed wire configured to supply a radio frequency signal to the first feed point of the radiation electrode and a feed wire branching from the feed wire and configured to supply a radio frequency signal to the second feed point. The feed wire includes two paths connected in parallel between the first feed point and the second feed point and having the same length. The paths are disposed so as to be mutually line-symmetric in plan view of the antenna module with respect to a straight line connecting the first feed point to the second feed point.

Abstract: The present disclosure provides a dual mode antenna, comprising: a first conductive piece; and a second conductive piece, configured to electromagnetically couple with the first conductive piece through a dielectric at a second frequency to operate as a loop antenna with the first conductive piece and configured to operate independently of the first conductive piece at a first frequency to operate as a monopole antenna. The dual mode antenna can be included in an antenna array as one of a plurality of dual mode antennas coupled to a routing substrate or a reference dual mode antenna coupled to the routing substrate along with a plurality of single mode antennas coupled to the routing substrate; wherein each antenna of the plurality of dual mode antennas, the reference dual mode antenna, and the plurality of single mode antennas is arranged evenly relative to a first neighboring antenna and a second neighboring antenna.

Abstract: Dual-band antenna systems and methods of fabricating and using the same are provided. A tunable dual-polarization (left-hand circular polarized (LHCP) and right-hand circular polarized (RHCP)) antenna can be used both for L-band (1.215 gigahertz (GHz)-1.85 GHz) and Ka-band (32.3 GHz-34.2 GHz) operation. The antenna system can be an embedded antenna system, which can be used for 3U CubeSats, with full polarization diversity able to operate in two widely spaced frequency bands (L-band and Ka-band) of the spectrum. The antenna system can include three layers, including a top substrate, a bottom substrate, and a ground plane disposed between the top substrate and the bottom substrate.

Abstract: A dual-polarized antenna, an antenna array, and a communications device are disclosed. The dual-polarized antenna includes a base board, a horizontally polarized antenna, and a vertically polarized antenna. The substrate includes a first substrate and a plurality of second substrates stacked on the first substrate. The horizontally polarized antenna includes a first radiating element disposed on the first substrate, and a first feeding unit that feeds the first radiating element. The vertically polarized unit includes a second radiating element and a second feeding unit that feeds the second radiating element. The second radiating element includes a first metal patch disposed on each second substrate. In the foregoing technical solution, the base board formed by the stacked substrates is used as a support part, so that the horizontally polarized antenna and the vertically polarized antenna are disposed on the base board, thereby reducing space occupied by the dual-polarized antenna.

Abstract: An antenna element comprises one or more directors, a resonator, and a three dimensional ground assembly. Parts of the antenna element are arranged on three metal layers. A top layer has an unconnected metal bar which forms a beam director, a resonator and a top part of the ground assembly. The resonator is an integral piece substantially in the form of a loop connected to a feed line and a feed line terminal ending. The feed line terminal ending serves as the ground plane for the feed line as well as providing impedance matching from the external transceiver circuit to the resonator. The ground assembly includes a top layer ground connected to a plurality of metallized half cylindrical hole channels (or metallized via holes) which connect to a ground terminal in a bottom layer.

Abstract: A compact dual-band triple-polarized antenna based on shielded mushroom structures includes a vertically-polarized radiator and a horizontally-polarized radiator. Two parts are fixedly connected in a disc-shaped structure. The vertically-polarized radiator and the horizontally-polarized radiator are both multilayer structures. Each multilayer structure includes a plurality of concentric circles, and the plurality of concentric circles include a plurality of dielectric substrates. The vertically-polarized radiator and horizontally-polarized radiator each include a plurality of shielded mushroom cell structures. Each shielded mushroom cell structure includes at least three metal layers and a metallic shorting pin, and the metallic shorting pin connects at least two of the at least three metal layers.

Abstract: Systems and methods provide an antenna array with separately fed subarrays. The systems and methods provide optimized or improved physical embodiments of each sub-banded subarray in terms of radiating element type and physical implementation, radio frequency integrated circuit (RFIC) technology choice, RFIC packaging and interconnect implementation, and/or intra-subarray feed typology choice and implementation. The antenna array can include first elements within a first distance range from a point in a surface associated with the antenna array and configured for first signals in a first frequency range, and second elements within a second distance range from the point and configured for second signals in a second frequency range. The antenna system also can include an interconnect system comprising a first multichip module and a second multichip module region.

Abstract: A multi-band antenna includes a lower grounding portion, a feed-in portion, a feeding point, an upper grounding portion, a first extending portion, a second extending portion, a third extending portion, a fourth extending portion, a fifth extending portion, a first branch, a second branch, a third branch and a loop portion. The feed-in portion, the first extending portion, the second extending portion, the third extending portion, the fourth extending portion and the first branch form a first radiation portion. The feed-in portion, the first extending portion, the second extending portion, the third extending portion, the fifth extending portion and the second branch form a second radiation portion. The feed-in portion, the first extending portion, the second extending portion and the third branch form a third radiation portion.

Abstract: The present disclosure relates to an antenna device comprising: a first antenna comprising a first reflecting member configured to reflect at least a portion of a signal radiated by the antenna device; a second antenna comprising a second reflecting member configured to reflect at least a portion of the signal radiated by the antenna device, there is a spacing between the first reflecting member and the second reflecting member; and a coupling capacitor comprising a first polar plate and a second polar plate, the first polar plate is disposed on a side, close to the spacing, of a first reflecting surface of the first reflecting member, and the second polar plate is disposed on a side, close to the spacing, of a second reflecting surface of the second reflecting member.

Abstract: A radio assembly is provided. The radio assembly includes at least one radio module and a radome. The radio module has a heatsink disposed on one side and a radio module base on the other side thereof. The radio module base is disposed between the heatsink and the radome. The heatsink defines a cable channel for routing at least one power cable and at least one data cable.

Abstract: An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The antennas may include millimeter wave antenna arrays. Non-millimeter-wave antennas such as cellular telephone antennas may have conductive structures separated by a dielectric gap. In a device with a metal housing, a plastic-filled slot may form the dielectric gap. The conductive structures may be slot antenna structures, inverted-F antenna structures such as an inverted-F antenna resonating element and a ground, or other antenna structures. The plastic-filled slot may serve as a millimeter wave antenna window. A millimeter wave antenna array may be mounted in alignment with the millimeter wave antenna window to transmit and receive signals through the window. Millimeter wave antenna windows may also be formed from air-filled openings in a metal housing such as audio port openings.

Abstract: An antenna includes a first antenna element, a second antenna element, and a first coupler. The first antenna element includes a first radiation conductor and a first feeder line and resonates in a first frequency band. The second antenna element includes a second radiation conductor and a second feeder line and resonates in a second frequency band. The second feeder line is coupled to the first feeder line such that a first component, which is one of a capacitance component and an inductance component, is dominant. The first coupler couples the first and second feeder lines such that a second component different from the first component is dominant. The first and second radiation conductors are arranged at an interval of ½ or less of a resonance wavelength in a first direction. The first and second radiation conductors are arranged to be shifted in a second direction intersecting the first direction.

Abstract: An apparatus and method for determining location information using a multi-polarized antenna array is disclosed. The multi-polarized antenna array includes a plurality of metal patches and a multiplexer. Each metal patch has at least two feed-points. The multiplexer is coupled to an RF terminal and to each of the at least two feed-points of each of the plurality of metal patches. The antenna array is configurable to couple each feed-point one at a time to the RF terminal. Location information may be determined by a controller coupled to the RF terminal from RF signals received via each feed-point.

Abstract: Radiating elements include a first dipole radiator that extends along a first axis, the first dipole radiator including a first pair of dipole arms that are configured to resonate at a first frequency and a second pair of dipole arms that are configured to resonate at a second frequency that is different than the first frequency. Each dipole arm in the first pair of dipole arms comprises a plurality of widened sections that are connected by intervening narrowed sections.

Abstract: A high-field emission tolerant RFID tag device that may be secured to a product to be cooked, heated, reheated and/or thawed in a heating apparatus such as, but not limited to, a microwave oven and that does not need to be removed from the product before initiating the heating process. The RFID device is microwave safe and does not damage the product or food item to which it is attached during the microwave process, and may contain data to control the microwave process. The microwave safe RFID tag comprises a split ring (or shield) conductor formed on one side of a substrate (or dielectric), a coil antenna conductor formed on an opposite side of the substrate, and a RFID chip. The split ring conductor capacitively couples to the coil antenna conductor via the dielectric and a gap in the split ring conductor prevents arcing.