Abstract: Complementary metamaterial elements provide an effective permittivity and/or permeability for surface structures and/or waveguide structures. The complementary metamaterial resonant elements may include Babinet complements of “split ring resonator” (SRR) and “electric LC” (ELC) metamaterial elements. In some approaches, the complementary metamaterial elements are embedded in the bounding surfaces of planar waveguides, e.g. to implement waveguide based gradient index lenses for beam steering/focusing devices, antenna array feed structures, etc.

Abstract: An electronic device may include thin antennas disposed proximate a rear or front surface. An antenna structure may be disposed at a portion of a first surface or a second surface of a non-metal structure within the device, and is electrically connected to the metal structure. The antenna structure may comprise: a first bonding layer attached to a portion of the first surface or the second surface, where an opening is formed in the first bonding layer at a location of the metal structure; a antenna element pattern arranged on the first bonding layer and electrically connected to the metal structure through the opening; a second bonding layer arranged on the antenna element pattern; and an insulation layer arranged on the second bonding layer.

Abstract: An electronic device having an antenna is provided. The electronic device includes a substrate including a grounding area, a non-grounding area and at least one feeding unit for feeding an antenna radiator, and a non-segmented metal cover forming an outer frame of the electronic device and operating as a part of the antenna.

Abstract: A Frequency-tunable and slot-fed planar antenna is proposed. The antenna includes resonant patch, a first dielectric layer, a ground plane having a first slot for each linear polarization, a second dielectric layer and a transmission line having, for each first slot, an end strand extending beneath the first slot. The antenna is frequency tunable for each linear polarization through at least one variable capacitance element. The matching of the antenna varies, for each linear polarization, as a function of a bias voltage applied to the variable capacitance element(s). The antenna includes, for each linear polarization, at least one second slot extending along the first slot. The end strand of the transmission line extends between the first slot and second slots. The at least one second slot creates an additional resonance.

Abstract: A low profile, low loss, wide band, wide scan volume radome assembly is provided for an antenna. The radome assembly includes a fabric radome element disposable over the antenna, first radome securing elements securably embedded within the fabric radome element and second radome securing elements securably embedded within the antenna. The second radome securing elements are respectively engageable with the first radome securing elements to thereby secure the fabric radome element over the antenna.

Abstract: The present invention is a metamaterial-based object detection system. An intelligent antenna metamaterial interface (IAM) associates specific metamaterial unit cells into sub-arrays to adjust the beam width of a transmitted signal. The IAM is part of a sensor fusion system that coordinates a plurality of sensors, such as in a vehicle, to optimize performance. In one embodiment, an MTM antenna structure is probe-fed to create a standing wave across the unit cells.

Abstract: The present invention discloses a dual-polarized antenna that includes a ground plate, a feeding part, and a radiant plate. The feeding part includes a first feeding part and a second feeding part. The first feeding part includes a first dielectric plate, a first feeding layer, and a first transmission line. The second feeding part includes a second dielectric plate, a second feeding layer, and a second transmission line. The first dielectric plate and the second dielectric plate are placed perpendicularly to each other and are perpendicularly installed on the ground plate, and the first transmission line and the second transmission line are separated from each other.

Abstract: This disclosure provides a wideband antenna including a feed line, a ground conductor plate and a radiating conductor element connected to the feed line and facing the ground conductor plate at a distance from the ground conductor plate. A parasitic conductor element is provided on a side opposite to the ground conductor plate as viewed from the radiating conductor plate and is insulated from these plates. A coupling adjusting conductor plate is positioned between the radiating conductor element and the parasitic conductor element, is configured to adjust an amount of coupling between them, overlaps an area where the radiating conductor element and the parasitic conductor element overlap, and straddles the radiating conductor element in a direction orthogonal to the direction of a current I that flows therein. Both end sides of the coupling adjusting conductor plate are electrically connected to the ground conductor plate via via-holes.

Abstract: An antenna assembly includes a radio frequency (RF) connector connected to a first end of a coaxial cable and a wire antenna attached to a second end of the coaxial cable. The wire antenna may be made of a shape memory alloy, such as nitinol. Examples of RF connectors include U.FL, IPEX, IPAX, IPX, AMC, MHF and UMCC connectors that allow the wire antenna to be removably attached to a printed circuit board (PCB) of a lighting control device and to avoid hardwiring the antenna to the PCB. The device that includes the antenna assembly may be incorporated into a luminaire for wireless control of the luminaire. The lighting control device may be installed within the luminaire, such that the wire antenna is positioned between a light source and a diffuser. A number of such luminaries may be combined to provide an intelligent lighting system.

Abstract: A microwave system comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus directed towards the radiator. The circuit board may be physically integrated within the feed mechanism of the center fed parabolic reflector and the radio transceiver is configured to provide OSI layer support.

Abstract: Various examples are provided for a helix antenna with dual functionality, in one embodiment, among others, a helix antenna includes a flexible substrate and a copper trace disposed on a side of the flexible substrate at a tilting angle (?). Turns of the helix antenna are formed from the copper trace by wrapping the flexible substrate. In another embodiment, a system includes a helix antenna, a radio frequency (RF) communication circuit coupled to a first end of the helix antenna, and a low frequency (LF) power transmission circuit coupled to the first end of the helix antenna. The RF communication circuit can process RF signals received by the helix antenna and the LF power transmission circuit can regulate LF voltage induced in the helix antenna.

Abstract: Aspects of the subject disclosure may include, for example, a solid dielectric antenna having a non-uniform spatial distribution of relative permittivity.

Abstract: An antenna assembly includes a radio frequency (RF) connector having a connector plug electrically connected to an antenna receptacle. The connector plug has a central terminal configured for connection to a wireless transceiver, and an end of the wire antenna is inserted in the antenna receptacle. Examples of RF connectors include U.FL, IPEX, IPAX, IPX, AMC, MHF and UMCC connectors that allow the wire antenna to be removably attached to a printed circuit board (PCB) of a lighting control device and to avoid hardwiring the antenna to the PCB. The wire antenna may be made of a shape memory alloy, such as nitinol. The device that includes the antenna assembly may be incorporated into a luminaire for wireless control of the luminaire, such that the wire antenna is positioned between a light source and a diffuser. A number of such luminaires may be combined to provide an intelligent lighting system.

Abstract: An electronic device comprising: a housing; a wireless communication transceiver provided within the housing; an antenna radiator provided within the housing; and a cover arranged to cover at least a portion of the antenna radiator and form at least a portion of a surface of the housing, wherein the cover includes a conductive material, and the cover is at least partially detachable from the housing.

Abstract: A multi-antenna communication device is provided, including a grounding conductor plane separating a first side space and a second side space and having a first edge. A four-antenna array including first, second, third and fourth antennas is located at the first edge, and has an overall maximum array length extending along the first edge. The first and second antennas are located in the first side space, and the third and fourth antennas are located in the second side space. Each of the first to fourth antennas includes a feeding conductor line, a grounding conductor line, and a radiating conductor portion electrically connected to a signal source through the feeding conductor line and electrically connected to the first edge through the grounding conductor line, thereby forming a loop path and generating at least one resonant mode. The radiating conductor portion has a corresponding projection line segment at the first edge.

Abstract: There is disclosed an antenna device relating to a single or dual band antenna system for use in mobile telecommunications devices, laptop and tablet computers, USB adapters and electrically small radio platforms comprising a pair of antennas attached to a conductive ground plane, the antennas being separated by free space in which at least one notch is formed in the conductive ground plane between the pair of antennas characterized in that the notch further includes an inductive component and a capacitive component providing good antenna isolation so as to enable MIMO operation or diversity operation.

Abstract: An external antenna is disclosed. The external antenna has a coaxial conductor assembly, a flexible circuit board, a passive element, and a support tube. The coaxial conductor assembly has a coaxial cable including an external conductor and an internal conductor insulated from the external conductor. The flexible circuit board is connected with the coaxial conductor assembly. The passive element is attached to the flexible circuit board and electrically connected to the external conductor and the internal conductor. The external conductor, the internal conductor, the flexible circuit board, and the passive element form an antenna loop. The flexible circuit board is wound around the support tube.

Abstract: An antenna includes a horn including an axial waveguide and a circular radome including a central cavity. The circular radome is configured to protrude into the axial waveguide. The antenna further includes a coil element provided over a coil frame and configured to fit inside the central cavity. The horn includes a conical structure having multiple circular chokes that are configured to shape a beam of the antenna to provide a desired gain by reducing sidelobes.

Abstract: Methods, systems, and devices are disclosed for implementing a compact wireless communications base station. In one aspect, a small cell base station device configured in a street cabinet unit for wireless communication includes a radio unit and/or a baseband unit to reside within the street cabinet unit, a pole attached to the exterior of the street cabinet unit, in which the pole structured to include an orifice, an antenna attached to the pole such that the antenna is at a height above the top surface of the street cabinet unit, and a feeder cable that electrically couples the antenna to the radio unit and/or the baseband unit, the feeder cable at least partially contained within the orifice.

Abstract: The present invention relates to a polarization device (10) for a satellite telecommunications antenna (11) including at least one frequency selective layer (12) able to convert a linear polarization (E), including two components (Ex, Ey), into left circular polarization in a first transmission frequency band (Tx) and into right circular polarization in a second receiving frequency band (Rx) or vice versa, the phase shift between the two components (Ex, Ey) of the linear polarization (E) being included between ?85 and ?95 degrees, preferably ?90 degrees in one of the frequency bands (Rx, Tx), and the phase shift between the two components (Ex, Ey) of the linear polarization (E) being included between +85 and +95 degrees, preferably +90 degrees in the other frequency band (Rx, Tx).