Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer including a first surface and a second surface which face each other, a first antenna pattern on the first surface of the dielectric layer, the first antenna pattern including a first radiation electrode, and a second antenna pattern on the second surface of the dielectric layer, the second antenna pattern including a second radiation electrode. Radiation gain and efficiency may be improved utilizing both surfaces of the dielectric layer without mutual radiation interruption.

Abstract: An antenna device which includes a plurality of antennas in a common case and is capable of achieving downsizing while suppressing a decrease of an antenna gain, is provided. An antenna device includes a TEL antenna and a capacity loaded element in a common case. The capacity loaded element is located above the TEL antenna. A length of the capacity loaded element is a positive integer multiple of one-half a wavelength of a PCS band. The TEL antenna is arranged so as to avoid a voltage maximum point of a standing wave, of the PCS band, generated in the capacity loaded element.

Abstract: An electronic device is provided. The electronic device includes an electronic device including a housing including a front plate, a rear plate, and a member surrounding at least part of a space between the front plate and the rear plate and operating as an antenna radiator by being formed of a metal material at least in part, a support member including a first face and a second face, disposed between a display and the rear plate, supporting the display on the first face, and bonded to part of the side member, a printed circuit board, a housing groove formed on a first portion of the member, a conductive body bonded to the housing groove through a press-fit process, and a connection terminal disposed on the printed circuit board and electrically coupling the press-fitted conductive body to the printed circuit board.

Abstract: An all metal wideband tapered slot phase array antenna includes: a ground plate; and a plurality of antennas arranged on the ground plate, wherein each of the antennas includes radiators configured to face each other with respect to a center line, forming an inclined surface that starts from the ground plate and decreases in width in an exponential manner, and having a non-uniform thickness.

Abstract: An antenna system is provided, including a ground plane, a first antenna unit, a second antenna unit, a first ground unit and a second ground unit. The ground plane includes a first side and a second side. The first ground unit and the ground plane jointly form a first closed loop, and a length of the first ground unit matches the first high-frequency signal and the second high-frequency signal to provide grounding of the high-frequency signals. The second ground unit forms a second closed loop and is connected to the first ground unit, and a length of the second ground unit is greater than the length of the first ground unit. A sum of the length of the second ground unit and the length of the first ground unit matches the first low-frequency signal and the second low-frequency signal, to jointly provide the grounding of the low-frequency signals.

Abstract: An antenna module includes: a wiring structure including a plurality of insulating layers and a plurality of wiring layers; a metal structure disposed on one surface of the wiring structure, and having a through-portion; and an antenna disposed on the one surface of the wiring structure. At least a portion of the antenna is disposed in the through-portion.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. An antenna module and a base station including the antenna module. The antenna module includes a printed circuit board in which at least one layer is stacked, a feeding unit disposed at one surface of the printed circuit board, and a first antenna spaced apart from the feeding unit by a predetermined first length.

Abstract: An access system for a vehicle includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to the vehicle. The access module is configured to: generate a differentiated signal based on the received signal; up-sample the differentiated signal to generate a first up-sampled signal; obtain or generate an expected signal; up-sample the expected signal to generate a second up-sampled signal; cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal; based on the cross-correlation signal, determine a phase difference between the first up-sampled signal and the second up-sampled signal; determine a round trip time of the signal received by the receiver; and permit access to the vehicle based on the round trip time.

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first electrode layer disposed on a top surface of the dielectric layer, the first electrode layer including a radiation pattern, a second electrode layer disposed on a bottom surface of the dielectric layer, and a flexible circuit board connecting the first electrode layer and the second electrode layer with each other along a lateral portion of the dielectric layer. Efficiency of grounding and noise removing may be improved by the flexible circuit board.

Abstract: Disclosed is a system for detecting approach and/or contact of a user and Ultra High Frequency communication with a portable user apparatus, intended to be embedded on board an automotive vehicle, the system including: a device for detecting approach and/or contact, including a sensor for detecting approach and/or contact and an electronic control unit; a conducting metal surface, suitable for the conduction of electric charges; and a communication device, including an Ultra High Frequency antenna emitting an electromagnetic field at an Ultra High Frequency wavelength, and a management unit for managing the emission and reception of data of the antenna. The conducting metal surface takes the form of a continuous path including a plurality of meanders spread over a length at least equal to: L=?/6 wherein L is a total length of the meanders, and ? is a wavelength of the Ultra High Frequency antenna.

Abstract: A printed circuit board (‘PCB’) including a substrate integrated waveguide (‘SIW’) formed using two ground planes representing the top and bottom walls of the waveguide, tightly pitched ground vias to act as two side walls and two back walls, and a pair of monopole antennas placed at each end of the SIW acting as signal feeding/receiving structures is disclosed. The waveguide dominant mode cut off frequency is determined by the spacing between the two side walls. Within each monopole antenna pair, the first monopole antenna operates at a first frequency while the second monopole antenna operates at another frequency. For each monopole antenna pair, the first monopole antenna and the second monopole antenna are located in the SIW at a distance from the back wall optimal for each operating frequency.

Abstract: An electronic device includes a first radiation element, a second radiation element, a grounding element, and a feeding element. The first radiation element includes a first radiation portion and a feeding portion electrically connected to the first radiation portion. The second radiation element is coupled to the first radiation element and separate from the first radiation element. The grounding element is electrically connected to the second radiation element. The feeding element includes a feeding end and a grounding end. The feeding end is electrically connected to the feeding portion, and the grounding end is electrically connected to the grounding element. An operating frequency band generated by the first radiation element is greater than an operating frequency band generated by the second radiation element.

Abstract: The antenna includes: a reflective member including a flat part; a first antenna element disposed on the flat part of the reflective member, the first antenna element being configured to transmit and receive radio waves of a first polarization; a second antenna element disposed on the flat part of the reflective member, one end of the second antenna element being located close to one end of the first antenna element, the second antenna element being configured to transmit and receive radio waves of a second polarization different from the first polarization; and a conductive member disposed close to the one ends of the first antenna element and the second antenna element and near a point of intersection where the first antenna element and the second antenna element meet when extended.

Abstract: A system includes a first antenna and a second antenna. The first antenna includes an antenna section. The antenna section includes a first antenna segment, a second antenna segment adjacent to the first antenna segment, and a notch circuit disposed within a notch between the first antenna segment and the second antenna segment. The notch circuit prevents a first frequency of a signal from passing from the first antenna segment to the second antenna segment while allowing a second frequency from the signal to pass from the first antenna segment to the second antenna segment. The second antenna is disposed proximate to the first antenna. The first antenna occupies a second near field region of the second antenna and the second antenna occupies a first near field region of the first antenna.

Abstract: An antenna device comprises: a printed circuit board formed with both sides in a plate shape including a first surface and a second surface and including at least one conductive layer between the first surface and the second surface; an array of conductive plates formed parallel to the first surface on or in the printed circuit board; a wireless communication circuit electrically connected to the array of conductive plates, coupled to the first surface, and capable of transmitting or receiving frequencies between 3 GHz and 300 GHz; and a conductive shielding structure mounted on the first surface of the printed circuit board and electrically connected to the at least one conductive layer when covering the wireless communication circuit, wherein the conductive shielding structure may include: a third surface facing the first surface when seen from the top of the first surface; and an electromagnetic bandgap (EBG) structure formed on the third surface.

Abstract: An example method of estimating the angular resolution of antenna array comprises: receiving a plurality of values of magnitude and phase of a radio frequency (RF) signal for each antenna element of a plurality of antenna elements comprised by an antenna array; performing, by a machine learning model, a feature extraction operation to transform the plurality of values of magnitude and phase into a plurality of data points in a reduced-dimension space; clustering, by the machine learning model, the plurality of data points into a plurality of clusters; and computing, based on the clustered data points, an angular resolution value for the antenna array.

Abstract: It is provided a glass window for a vehicle, comprising: an antenna configured to receive a radio wave; and a noise rejecting pattern configured to absorb noise that reaches the antenna, wherein, an electronic device configured to acquire information outside the vehicle through the glass window is mounted on or close to the glass window, wherein the noise rejecting pattern includes a first conductor coupled to a vehicle body for giving an earth potential at a high frequency, and a second conductor extending from the first conductor to exist between the antenna and the electronic device, and wherein the second conductor is placed closer to the antenna than to the electronic device.

Abstract: A first antenna array includes antenna panels including: first antenna panels arranged on a first circle having a first radius, each of the first antenna panels including antenna elements; and second antenna panels arranged on a second circle having a second radius, each of the second antenna panels including antenna elements, the second circle being concentric with the first circle at a center point, the second antenna panels being arranged at a first angle around the center point with respect to the first antenna panels, the first radius, the second radius, and the first angle being computed in accordance with wireless transmission conditions including: a line-of-sight distance to a second antenna array including third antenna panels arranged on two or more circles; and a carrier frequency of a line-of-sight wireless transmission between the first antenna array and the second antenna array.

Abstract: Technologies directed to embedding a calibration antenna in an antenna structure of a phased array antenna are described. The antenna structure includes a ground plane, a first antenna element, and a second antenna element. The first antenna element and the second antenna element are located in a first plane. The second antenna element is separated from the first antenna element by a first distance. Dielectric material is located between the ground plane and the first plane. The antenna structure further includes a third antenna element that is located in a second plane. The second plane is located between the ground plane and the first plane. The third antenna element is located in an area with a first dimension and a second dimension that are each less than half of the first distance.

Abstract: In radiation elements, recessed portions for adjusting the power of an electromagnetic wave that passes through the radiation elements are formed as power adjustment portions at coupling portions, respectively, which are on the opposite side of a feeding unit out of sets of two coupling portions to a feed line.