Abstract: A communication device includes a first lens and a feeder array. The first lens has a defined shape, a base, a first tubular membrane connected to the base, and a second membrane arranged as a cap on the first tubular membrane. The feeder array includes a plurality of antenna elements that are positioned in a specified proximal distance from the base of the first lens to receive a first lens-guided beam of input radio frequency (RF) signals through the second membrane of the first lens. The first lens of the defined shape covers the feeder array as a radome enclosure. A distribution of a gain from the received first lens-guided beam of input RF signals is substantially equalized across the feeder array to increase at least a reception sensitivity of the plurality of antenna elements of the feeder array.

Abstract: An antenna housing is provided that is configured to be mounted to a pole. The antenna housing has spaced upper and lower ends. A sidewall extends between and around the spaced ends to define an interior of the housing. This interior may house and/or partially conceal one or more antennas. Inlet and outlet ducting extend through the sidewall of the housing to individually cool each antenna within the interior of the housing. The inlet and outlet duct may connect to a cooling duct that is in fluid communication with a heat rejection surface of the antenna. Accordingly, each antenna may be cooled using ambient air and the heated air may be exhausted outside of the housing.

Abstract: A base station antenna (BSA) system includes a radio-frequency (RF) generator having a plurality of power-amplifying circuits therein, and an antenna, which includes a plurality of columns of radiating elements. These radiating elements are electrically coupled by RF signal routing to a corresponding plurality of ports of the antenna that receive a corresponding plurality of RF input signals. These RF input signals have respective amplitudes and phases that support the concurrent generation of three spaced-apart RF beams by the antenna and are derived from respective RF signals generated by the plurality of power-amplifying circuits. The RF input signals including: (i) a first RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting, and (ii) a second RF input signal defined by at least two linearly superposed RF signals of equivalent frequency having unequal combinations of amplitude and phase weighting.

Abstract: An antenna apparatus has a sleeve antenna. The sleeve antenna has an internal conductive member, an external conductive member, an insulating member, and a mountain-shaped conductive member that is electrically connected to the external conductive member. The mountain-shaped conductive member expands radially from an upper edge towards a lower edge. The internal conductive member protrudes higher than the external conductive member above the upper edge of the mountain-shaped conductive member.

Abstract: In an antenna device, when an AM/FM antenna as a first antenna and an SDARS antenna or a GPS antenna as a second antenna that have different frequency bands are provided in a common case, an additional conductor portion extends out from a conductor main body portion of a capacitive element, and the additional conductor portion includes a parallel strip-shaped portion having a length that is ¼ of an effective wavelength in a frequency band of the second antenna, and extending parallel to the conductor main body portion.

Abstract: An electric composite detection antenna is disclosed. The antenna includes two RF antenna disposed on two sides of the circuit system of the electronic device, and a RF compensation system is disposed in the circuit system and includes an inductive sensing coil, and the induction coil can detect signal attenuation of any RF antenna subjected to external interference, so as to generate a detection signal. The RF compensation system can notice the control unit, to quickly drive any antenna matching circuit to switch to the RF antenna which is not interfered, or to quickly adjust antenna power or adjust the matching value of the RF antenna between the external environment, so that the preset electronic device can perform the stable transmission RF signal through the RF antenna without external interference, and maintain better power for RF signal transmissions.

Abstract: An antenna assembly of reduced size but with optimized radiation and reception capabilities through slanted connections between the parts includes a feed portion, a first ground portion, a second ground portion, a first radiating portion, and a second radiating portion. The first radiating portion is a loop antenna on at least three surfaces of a carrier, and is connected between the feed portion and the first ground portion on opposite ends. The first radiating portion feeds in electric current through the feed portion. The second radiating portion is spaced from the first radiating portion, the second radiating portion is arranged on at least two surfaces of the carrier. The second radiating portion is connected between the second ground portion, the second radiating portion couples electric current from the first radiating portion. A wireless communication device employing the antenna assembly is also provided.

Abstract: An antenna system. The system includes a feed network with first input/output terminals and second output/input terminals, and antenna elements forming an array. In a first configuration: each of the second plurality of output/input terminals is connected to one of the antenna elements, the array operating according to a different radiation pattern based on which one of the first plurality of input/output terminals carries a signal into the feed network. In a second configuration: a selected antenna element is disconnected from the second plurality of output/input terminals and receives a direct signal, bypassing the feed network, and operates according to its independent radiation pattern. Also, in the second configuration each remaining antenna element is disconnected from the second plurality of output/input terminals and connected directly to a detuning network, causing these antenna elements to have a minimal effect on the independent radiation pattern of the selected antenna element.

Abstract: Disclosed herein is an implantable electronic device including a housing containing an electrical circuit. The implantable electronic device further includes an antenna assembly coupled to the electrical circuit. The antenna assembly includes an antenna including a dielectric antenna body within which an antenna trace is disposed. Portions of the antenna trace are disposed in offset transverse layers in a non-overlapping arrangement, thereby reducing capacitive coupling between the layers of the antenna trace. In certain implementations, the antenna assembly includes one or more capacitive features that selectively overlap portions of the antenna trace and facilitate tuning of the antenna.

Abstract: An electronic device includes a housing including a first plate, a second plate opposite to the first plate, and a side member surrounding a space between the first plate and the second plate, and including at least part of a conductive material, a flexible printed circuit board (FPCB) attached on an inner surface of the housing, a first antenna element which is included in the FPCB and in which a slot is formed, and a first radio frequency integrated circuit (RFIC) for the first antenna element. An opening is formed in the side member or the second plate of the housing. The FPCB is attached the inner surface of the housing such that at least part in which the slot of the first antenna element is formed is exposed through the opening. At least part of the opening is filled with an insulating material.

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 communication device includes a first lens and a feeder array. The first lens has a defined shape, a base, a first tubular membrane connected to the base, and a second membrane arranged as a cap on the first tubular membrane. The feeder array includes a plurality of antenna elements that are positioned in a specified proximal distance from the base of the first lens to receive a first lens-guided beam of input radio frequency (RF) signals through the second membrane of the first lens. The first lens of the defined shape covers the feeder array as a radome enclosure. A distribution of a gain from the received first lens-guided beam of input RF signals is substantially equalized across the feeder array to increase at least a reception sensitivity of the plurality of antenna elements of the feeder array.

Abstract: A radiofrequency communication module or semi-finished product able to be integrated into the structure of a tire comprises a radiofrequency transponder embedded in an elastomer blend and comprising an electronic chip and a radiating antenna that is able to communicate with a radiofrequency reader. The radiofrequency transponder in addition comprises a primary antenna that is electrically connected to the electronic chip, the primary antenna is electromagnetically coupled to the radiating antenna, the radiating antenna consists of a single-strand helical spring, and the radiating antenna has a core made of steel coated with a conduction layer.

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: A dual-polarized millimeter wave antenna unit, an antenna system, and a mobile terminal are disclosed. The dual-polarized millimeter wave antenna unit comprises a main part, a first feed branch, a second feed branch, and a radiator, wherein the radiator is arranged on the top face of the main part, the first feed branch is arranged on a first side face of the main part, the second feed branch is arranged on a second side face of the main body, the first feed branch and the second feed branch are communicated with the bottom face of the main part, the first side face is perpendicular to the second side face, and a weld region is arranged on the bottom face of the main part. The dual-polarized millimeter wave antenna unit provided by the invention has the advantages of wideband, dual polarization, and low sidelobe, thus being especially suitable for 5G communication.

Abstract: A phased array antenna includes a panel, a plurality of feed boards on the panel, each of the feed boards including at least one radiating element, a base-level adjustable phase shifter including a plurality of outputs, a first feed board adjustable phase shifter mounted on a first of the feed boards and a first cable that forms a transmission path between a first of the outputs of the base-level adjustable phase shifter and the first feed board.

Abstract: Disclosed herein is a method and system for using ferrite cores to suppress harmonic radiation with microstrip patch antennas. In certain embodiments, the ferrites cores exemplified herein significantly suppressed second and third harmonic radiation generated by RF components coupled to the microstrip patch antenna.

Abstract: A mobile device includes a metal mechanism element, a ground plane, a first parasitic radiation element, a second parasitic radiation element, a feeding radiation element, and a dielectric substrate. The metal mechanism element has a slot. The first parasitic radiation element and the second parasitic radiation element are both coupled to the metal mechanism element. The first parasitic radiation element and the second parasitic radiation element both extend across the slot. The feeding radiation element is disposed between the first parasitic radiation element and the second parasitic radiation element. An antenna structure is formed by the feeding radiation element, the first parasitic radiation element, the second parasitic radiation element, and the slot of the metal mechanism element. The antenna structure covers at least a first frequency band. The length of the slot is shorter than 0.48 wavelength of the first frequency band.

Abstract: Ultra-reconfigurable reflectarrays using vanadium dioxide (VO2) are provided, as well as methods of fabricating and using the same. The ultra-reconfigurable reflectarrays operate based on the unique phase-change properties of VO2, by including a heating element configured to heat desired areas of a VO2 layer/reflector, such that the VO2 reflector/layer can be reconfigured to have a desired pattern heated (and therefore changed to a conducting state) at a given time, with a good spatial resolution of the desired pattern.

Abstract: Techniques for improving the bandwidth performance of an antenna assembly in a mobile device are provided. An example of an apparatus according to the disclosure includes a dielectric substrate having a first area and a second area disposed around the first area, a first radiator disposed on a surface of the dielectric substrate in the first area, the first radiator being configured to transmit and receive radio signals at an operational frequency, and a plurality of metamaterial structures disposed in a periodic pattern on the surface of the dielectric substrate in the second area and within a near field of the first radiator, wherein a maximum width of each of the plurality of metamaterial structures is less than half of a wavelength of the operational frequency.