Abstract: An efficient, low-profile, lightweight fixed-beam (constant angle of departure) aperture antenna. The aperture antenna includes an array of horn radiators coupled to a waveguide diplexer by means of a stripline distribution network. The stripline distribution network is embedded in a printed wiring board (PWB), which PWB is sandwiched between a radiator plate (incorporating the horn radiators) and a diplexer plate. The aperture antenna may further include a backside ground plane made of metal. The diplexer plate and backside cover plate are configured to form the waveguide diplexer. Each horn radiator has a respective circular opening at one end adjacent to the PWB. The diplexer plate includes an array of circular waveguide backshorts which are congruent and respectively aligned with the circular openings of the horn radiators. The radiator plate further includes a rectangular waveguide backshort which is congruent and aligned with a rectangular port of the diplexer plate.

Abstract: A planar antenna includes a dielectric layer including a first surface and a second surface on a side opposite from the first surface, an antenna conductor provided on the first surface, a ground conductor provided on the first surface or the second surface, or provided on both of the first surface and the second surface, and a transmission line including a signal line that is connected to the antenna conductor or provided in proximity to the antenna conductor, wherein a dielectric portion of the dielectric layer that is in contact with the signal line has a loss tangent of 0.007 or less at 28 GHz.

Abstract: Systems and methods for making an antenna reflector. The methods comprise: obtaining a Carbon Nano-Tube (“CNT”) material; cutting the CNT material into a plurality of wedge shaped pieces; and bonding together the wedge shaped pieces using a resin film adhesive to form the antenna reflector with a three dimensional contoured surface.

Abstract: A dual-frequency and dual-polarization antenna for simultaneously transmitting and receiving dual-frequency 5G signals comprises: a first substrate; a first polarization antenna comprising a first radiation portion disposed on a first surface of the first substrate and a second radiation portion disposed on a second surface of the first substrate; a second polarization antenna comprising a third radiation portion disposed on the first surface of the first substrate and a fourth radiation portion disposed on the second surface of the first substrate; a second substrate located in a side of the second surface of the first substrate, a surface of the second substrate close to the first substrate is a copper-clad surface; and layout directions of the first polarization antenna and the second polarization antenna are orthogonal to each other in the first substrate. An electronic device comprising the dual-frequency and dual-polarization antenna is also provided.

Abstract: An array antenna includes a plurality of mechanically separate radiating panels arranged side-by-side, means for applying a shaping to the signals transmitted by the radiating elements of the panels and a device for managing the shaping of the signals, wherein the shaping coefficients correspond to a sum of at least: a shaping coefficient (Wco) making it possible to orient the maximum gain of the antenna in a given direction, and at least the opposite of a shaping coefficient (Wc) making it possible to orient the maximum gain of the antenna in the direction of a side lobe resulting from differences between the radiating panels of the array antenna. The method relates also to the associated transmission/reception method.

Abstract: An electronic device and an antenna feeding device are provided. The electronic device includes a metal housing, a radiation element, a substrate, a grounding element and an electrostatic protection element. The antenna feeding device includes a substrate, a grounding element, and an electrostatic protection element. The radiation element is arranged along the edge of the electronic device, and the radiation element and the metal housing are separated from each other. The substrate is arranged on the metal housing. The substrate includes a feeding portion and a grounding portion, and the feeding portion is coupled to the radiating element. The grounding portion is coupled to the metal housing. The grounding element is electrically connected to the metal housing, and the grounding element is coupled to the grounding portion. The electrostatic protection element is electrically connected between the feeding portion and the grounding portion.

Abstract: Provided is an antenna. The antenna includes a first metal electrode, a second metal electrode, and a dielectric functional layer. The first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode includes a plurality of transmission electrodes. The antenna further includes a flexible coplanar waveguide and a feed network. The flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network.

Abstract: An antenna for facilitating remote reading of utility meters is disclosed. The antenna includes a metal rod and a printed circuit board (PCB), both enclosed by an envelope that includes a plastic body and a plastic cap. The plastic body includes a channel for receiving the metal rod. The plastic cap is for covering the plastic body. The PCB includes a dielectric layer located between a first and second metal layers. Secured to the PCB, the metal rod is electrically connected to the second metal layer of the PCB, but not the first metal layer of the PCB.

Abstract: A single antenna with a shared radiator includes a radiator unit, a feed-in unit, a sensing module and a ground unit. The feed-in unit is coupled with the radiator unit and used to send or receive radio frequency signals together with the radiator unit. The sensing module is connected to the radiator unit and used for sensing a distance between the radiator unit and an object by the radiator unit. A distributed capacitor structure is formed between the ground unit and the radiator unit.

Abstract: A loop antenna which has a signal input/output wire, a first conductor, an upper conductor, an upper conductor, a second conductor, a first lower conductor, and a second lower conductor sequentially connected. The loop antenna further has a first grounding via, and a lower end of the first grounding via is connected to a first grounding layer, and an upper end of the first grounding via is disposed between and connecting the first lower conductor and the second lower conductor, wherein a first end of the second lower conductor is connected to the upper end of the first grounding via, and a second end of the second lower conductor is connected to the first conductor. A second grounding layer and the combination of the signal input/output wire, the first lower conductor, and the second lower conductor are disposed on the same layer disconnectedly.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and an antenna conductive layer disposed on a top surface of the dielectric layer. The antenna conductive layer includes a radiator, first and second transmission lines extending in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator in a planar view, and a lower parasitic element adjacent to a lower portion of the radiator, the first transmission line and the second transmission line in the planar view.

Abstract: An electromagnetic scattering film, and an electronic device with the electromagnetic scattering film are provided. The electromagnetic scattering film includes a metal layer, wherein the metal layer is provided with a through hole penetrating through an upper surface and a lower surface of the metal layer, and a maximum value of the distance s between any two points on a contour of a section of the through hole is less than the wavelength ? of a microwave emitted into the through hole, such that the microwave is diffracted after being emitted into the through hole. By arranging, on the metal layer, a through hole being smaller than the wavelength of a microwave, the microwave, which was originally transmitted in a linear manner, is diffracted after being emitted into the through hole, thereby expanding a microwave transmission and/or receiving space range.

Abstract: A center-fed array antenna comprises: a central radiation element located in the center among the odd number of N radiation elements; a first radiation part including n (=(N?1)/2) first radiation elements positioned on one side of the central radiation element and n first phase shifters corresponding to each of the n first radiation elements; a second radiation part including n second radiation elements positioned on the other side of the central radiation element and n second phase shifters corresponding to each of the n second radiation elements; and a 3-way power divider distributes the received feed signal in an asymmetric ratio in proportion to the ratio of the number of radiation elements included in the central radiation element and the first and second radiation parts, and outputs the obtained first to third distribution feed signals to the corresponding central radiation element and the first and second radiation parts, respectively.

Abstract: An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a flexible circuit board electrically connected to the antenna unit. The flexible circuit board has a bending area. The flexible circuit board includes a core layer having a first surface and a second surface facing each other, a signal wiring disposed on the first surface of the core layer and electrically connected to the antenna unit, a ground line disposed on the first surface of the core layer to be spaced apart from the signal wiring, a ground layer disposed on the second surface of the core layer, and a via structure penetrating a portion of the core layer in a region excluding the bending area and connecting the ground line and the ground layer with each other.

Abstract: An antenna member is configured to be mounted on a circuit board and to be used as an antenna. The antenna member has a split ring resonating portion, an impedance matching portion and a feed portion. The split ring resonating portion is provided with a facing portion which forms a split. The split ring resonating portion has a first side portion, a second side portion and an upper portion. The upper portion connects the first side portion and the second side portion with each other. The feed portion is provided on at least one of the first side portion and the second side portion. The impedance matching portion is positioned above the feed portion in an up-down direction perpendicular to a lateral direction. The impedance matching portion couples the first side portion and the second side portion with each other.

Abstract: An antenna structure and an electronic device are provided. The antenna structure includes a first radiating member, a second radiating member, a grounding member, and a capacitance element. The first radiating member includes a first radiating part, a second radiating part, a feeding part, and a grounding part. The second radiating member is coupling to the first radiating member. The second radiating member includes a third radiating part and a main body part that are connected to each other. There is a first predetermined length between a feeding point of the feeding part and an open end of the second radiating part. There is an electrical length between a connection point where the main body part is electrically connected to the capacitance element and an open end of the third radiating part. The electrical length is greater than the first predetermined length.

Abstract: A broadband multiple-input multiple-output (MIMO) antenna with self-decoupling characteristics includes: a dielectric substrate, a metal patch printed on an upper surface of the dielectric substrate, and a pair of horizontal back-to-back elliptical tapered slots and a vertical elliptical tapered slot etched on the metal patch. A microstrip line and another bent micro strip line are respectively used to feed the vertical elliptical tapered slot and the pair of horizontal elliptical tapered slots, and characteristic modes of the horizontal slots excited by the bent microstrip line and characteristic modes of the vertical slot excited by the micro strip line are mutually orthogonal. By adopting the technical scheme, no additional decoupling structure needs to be introduced, and lower coupling can be realized in a wider working frequency band.