Patent classifications
H01Q21/0031
ANTENNA HAVING MEMS-TUNED RF RESONATORS
An antenna having radio-frequency (RF) resonators and methods for fabricating the same are described. In one embodiment, the antenna comprises a physical antenna aperture having an array of antenna elements, where the array of antenna elements includes a plurality of radio-frequency (RF) resonators, with each RF resonator of the plurality of RF resonators having an RF radiating element with a microelectromchanical systems (MEMS) device.
Reconfigurable antenna with cluster of radiating pixelates
Similar to cell based electronics systems that employ a sea of small unit cells in large scale arrays, such as thin film display monitors or semiconductor memories, an antenna array employs micron to centimeter size antenna pixelate cells that are integrated to form the plate of an antenna. Each row and column of cells in the antenna array may be accessed by digital logic and the RF transmission/reception state of the switchable cell changed. Thus, the antenna plate can be reconfigured and its radiating plate reformed to a specific pattern as an element of a larger array of antennas in wafer scale form.
ANTENNA WITH BEAMWIDTH RECONFIGURABLE CIRCULARLY POLARIZED RADIATORS
An antenna is provided for a satellite in a satellite communication system. The antenna includes an array of radiators each having a dual linear-to-circular polarizer. The array of radiators is aligned in a first plane and configured to generate an elliptical beam having a desired narrow beamwidth in the first plane. Conductive walls provided around an aperture of each radiator in the array of radiators may narrow a wider beamwidth of the elliptical beam in a second plane orthogonal to the first plane to a desired value.
Antenna lens array for azimuth side lobe level reduction
A radio frequency antenna array uses lenses and RF elements, to provide ground-based coverage for cellular communication. The antenna array can include two spherical lenses, where each spherical lens has at least two associated RF elements. Each of the RF elements associated with a given lens produces an output beam with an output area. Each lens is positioned with the other lenses in a staggered arrangement. The antenna includes a control mechanism configured to enable a user to move the RF elements along their respective tracks, and automatically phase compensate the output beams produced by the RF elements based on the relative distance between the RF elements.
RF LENS ANTENNA ARRAY WITH REDUCED GRATING LOBES
A radio frequency antenna array uses lenses and RF elements, to provide ground-based coverage for cellular communication. The antenna array can include a spherical lens, where each spherical lens has at least two associated RF elements. Each of the RF elements associated with a given lens produces an output beam with an output area. The antenna includes a control mechanism configured to enable a user to move the RF elements along their respective tracks, and automatically phase compensate the output beams produced by the RF elements based on the relative distance between the RF elements.
DUAL-BAND SHARED-APERTURE ANTENNA ARRAY BASED ON DUAL-MODE PARALLEL WAVEGUIDE
A dual-band shared-aperture antenna array based on a dual-mode parallel waveguide is applicable to the field of wireless communications technologies. The dual-band shared-aperture antenna array includes: a waveguide-substrate integrated waveguide transition structure, a multi-stage cascaded power splitter, a transverse coupling slot, a longitudinal coupling slot, a matching through-hole, a shared-aperture dual-mode parallel waveguide, and a shared-aperture parallel slot array. The entire structure includes two dielectric substrates. A signal is input to the multi-stage cascaded power splitter through the waveguide-substrate integrated waveguide transition structure located on a bottom-layer substrate. The foregoing dual-band shared-aperture antenna array based on a dual-mode parallel waveguide can separately implement a low-band fixed-beam slot array antenna, a high-band multi-beam long slot leaky-wave antenna, or a fixed-beam slot array antenna. It has a simple structure, multiple functions, high integration, a small size and light weight.
Antenna Array Assembly
An antenna array assembly comprises a ground plate, an array of radiator elements disposed in a spaced relationship with a first face of the ground plate between first and second substantially parallel conductive walls projecting from the first face of the ground plate, and a first and second conductive plate. Each of the first and second conductive plates is electrically isolated from the ground plate, and each is disposed in an upstanding relationship to the first face of the ground plate in a substantially parallel relationship with the first and second conductive walls. This provides reduced radiation in at least one direction in the hemisphere on the opposite side of the ground plate to the first face.
HIGH GAIN, MULTI-BEAM ANTENNA FOR 5G WIRELESS COMMUNICATIONS
A high gain, multi-beam lens antenna system for future fifth generation (5G) wireless networks. The lens antenna includes a spherical dielectric lens fed with a plurality of radiating antenna elements. The elements are arranged around the exterior surface of the lens at a fixed offset with a predetermined angular displacement between each element. The number of beams and crossover levels between adjacent beams are determined by the dielectric properties and electrical size of the lens. The spherical nature of the dielectric lens provides a focal surface allowing the elements to be rotated around the lens with no degradation in performance. The antenna system supports wideband and multiband operation with multiple polarizations making it ideal for future 5G wireless networks.
ANTENNA INTEGRATED WITH PHOTOVOLTAIC CELLS
A holographic antenna integrated with photovoltaic cells and method for use of the same are described. In one embodiment, the method for using an antenna comprises receiving position data indicative of an antenna aperture of an antenna after the antenna has been placed in a position to increase capture of solar energy by one or more photovoltaic (PV) structures integrated into a surface of the antenna aperture; and in response to the position data, electronically steering an array of antenna elements of the antenna to redirect a beam toward a satellite based on the position of the antenna while maintaining the position of the antenna for increased capture of the solar energy.
ANTENNA ARRAY DEVICE AND ANTENNA UNIT THEREOF
An antenna array device and an antenna unit thereof are provided. The antenna unit includes a support and an antenna structure. The support is integrally formed as a single one-piece structure, and has a substrate, a first stand, and a second stand. The first stand and the second stand extend from two opposite sides of the substrate, respectively. The substrate and at least one of the first stand and the second stand jointly define a plurality of cavities. The antenna structure includes a plurality of patches that are formed on the substrate and that are arranged in the cavities.