An antenna unit includes a first antenna portion and a second antenna portion that individually transmit or receive a wireless signal, and a ground portion electrically connected to the first antenna portion and the second antenna portion and including a portion positioned between the first antenna portion and the second antenna portion. A through-hole that resonates with a given frequency is provided at a position of the ground portion between the first antenna portion and the second antenna portion.

Examples disclosed herein relate to a multi-layer, multi-steering (“MLMS”) antenna array for millimeter wavelength applications. The MLMS antenna array includes a superelement antenna array layer comprising a plurality of superelement subarrays, in which each superelement subarray of the plurality of superelement subarrays includes a plurality of radiating slots for radiating a transmission signal. The MLMS antenna array also includes a power division layer configured to serve as a feed to the superelement antenna array layer, in which the power division layer includes a dielectric layer interposed between a plurality of conductive layers. The MLMS antenna array also includes a top layer disposed on the superelement antenna array layer. The top layer may include a superstrate or a metamaterial antenna array. Other examples disclosed herein include a radar system for use in an autonomous driving vehicle.

An information handling system to wirelessly transmit and receive data may include a base chassis including a processor, a memory, and a wireless adapter; a metal C-cover of the base chassis to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover, the speaker grill including a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill as a peninsula in the C-cover; a millimeter wave antenna element coupled to a back side of the speaker grill; and a sub-6 GHz antenna element to transmit via the slot formed around the perimeter of the speaker grill; wherein the speaker grill has a mesh pattern of grill openings sized to be transparent to millimeter wave frequencies emitted by the millimeter wave antenna element.

An information handling system to wirelessly transmit and receive data may include a base chassis including a processor, a memory, and a wireless adapter; a metal C-cover of the base chassis to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover, the speaker grill including a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill as a peninsula in the C-cover; a millimeter wave antenna element coupled to a back side of the speaker grill; and a sub-6 GHz antenna element to transmit via the slot formed around the perimeter of the speaker grill; wherein the speaker grill has a mesh pattern of grill openings sized to be transparent to millimeter wave frequencies emitted by the millimeter wave antenna element.

A wearable device includes a wearable body that in use is worn on or proximate a skin of a wearer and a wearable antenna embedded in the wearable body and insulated from the wearable body. The wearable antenna includes a microwave dielectric substrate having a first major surface, a second major surface opposed to the first major surface, and a relative permittivity of at least 90. An electrically conductive patch is disposed on the first major surface, a feed line is connected to a feed point of the electrically conductive patch, and an electrically conductive ground plane is disposed on a far side of the second major surface relative to the first major surface.

In accordance with an aspect of the disclosure, an electronic device comprises a first housing, a second housing, a hinge housing disposed between the first housing and the second housing and containing a metallic material, a hinge structure, at least partially disposed in the hinge housing, wherein the hinge structure connects the first housing and the second housing to allow a selectable angle of rotation between the first housing and the second housing, and a conductive pattern formed on a surface of the hinge housing.

In accordance with an aspect of the disclosure, an electronic device comprises a first housing, a second housing, a hinge housing disposed between the first housing and the second housing and containing a metallic material, a hinge structure, at least partially disposed in the hinge housing, wherein the hinge structure connects the first housing and the second housing to allow a selectable angle of rotation between the first housing and the second housing, and a conductive pattern formed on a surface of the hinge housing.

An electronic device according to certain embodiments, comprises a bracket defining a portion of a surface of the electronic device, the bracket including metal and having a recess formed therein, wherein the recess is formed by an inner wall including a resting region and an inclined region facing a different direction from the inner wall; and an antenna substrate including a conductive pattern, a first surface including a radiation area configured to radiate an RF signal from the conductive pattern, and a second surface opposite the first surface, wherein the antenna substrate is disposed in an interior of the recess such that the first surface faces an opened portion of the recess, the second surface faces the inner wall.

An electronic device according to certain embodiments, comprises a bracket defining a portion of a surface of the electronic device, the bracket including metal and having a recess formed therein, wherein the recess is formed by an inner wall including a resting region and an inclined region facing a different direction from the inner wall; and an antenna substrate including a conductive pattern, a first surface including a radiation area configured to radiate an RF signal from the conductive pattern, and a second surface opposite the first surface, wherein the antenna substrate is disposed in an interior of the recess such that the first surface faces an opened portion of the recess, the second surface faces the inner wall.

This document describes techniques, apparatuses, and systems for a waveguide with lobe suppression. A waveguide is described that includes a pipe for containing a dielectric, the pipe defining an open end to a longitudinal direction through the pipe. An array of radiating slots is formed through a surface of the pipe and in communication with the dielectric. To suppress grating lobes in an antenna pattern, the waveguide includes at least one parasitic groove that is separate from the pipe and with at least a portion of a length that is parallel to the array of radiating slots. In this way, the waveguide provides an antenna pattern where grating lobes are suppressed or substantially reduced.