A method and apparatus for impedance matching for an antenna aperture are described. In one embodiment, the antenna comprises an antenna aperture having at least one array of antenna elements operable to radiate radio frequency (RF) energy and an integrated composite stack structure coupled to the antenna aperture. The integrated composite stack structure includes a wide angle impedance matching network to provide impedance matching between the antenna aperture and free space and also puts dipole loading on antenna elements.

An insulating glazing unit includes at least one spacer, which is shaped around the periphery to produce a spacer frame and delimits an inner region, a first glass pane, which is arranged on a first pane contact surface of the spacer frame, and a second glass pane, which is arranged on a second pane contact surface of the spacer frame, and the glass panes project beyond the spacer frame and an outer region is formed, which is filled at least in some sections, with a sealing element, wherein at least one RFID transponder is arranged in the outer region or in the outer edge region of the glass panes, and the RFID transponder contains a slot antenna.

Example slot antennas for electronic user device and related methods are disclosed herein. An example electronic user device including at least one of a lid or a base. The at least one of the lid or the base have a first surface and a second surface spaced apart from the second surface. The example electronic user device includes an antenna including a first aperture in the first surface and a second aperture in the second surface. The example user device includes a first cover at least partially disposed in the first aperture and a second cover at least partially disposed in the second aperture.

Example slot antennas for electronic user device and related methods are disclosed herein. An example electronic user device including at least one of a lid or a base. The at least one of the lid or the base have a first surface and a second surface spaced apart from the second surface. The example electronic user device includes an antenna including a first aperture in the first surface and a second aperture in the second surface. The example user device includes a first cover at least partially disposed in the first aperture and a second cover at least partially disposed in the second aperture.

An antenna arrangement having a stacked layered structure. The antenna arrangement including a radiation layer having a surface. The surface is delimited by a surface boundary. A first and a second slot extend along a first slot axis and second slot axis, respectively, and are arranged on the surface. The antenna arrangement also includes a distribution layer facing the radiation layer. The distribution layer is arranged to distribute a radio frequency signal to the first and second slots. The distribution layer includes a distribution layer feed and a ridge arranged to form a first ridge waveguide intermediate the distribution layer and the radiation layer. The ridge includes a first section connected to a second section via a curved section. The first section extends along a first ridge axis and the second section extends along a second ridge axis different from the first ridge axis.

An antenna arrangement having a stacked layered structure. The antenna arrangement including a radiation layer having a surface. The surface is delimited by a surface boundary. A first and a second slot extend along a first slot axis and second slot axis, respectively, and are arranged on the surface. The antenna arrangement also includes a distribution layer facing the radiation layer. The distribution layer is arranged to distribute a radio frequency signal to the first and second slots. The distribution layer includes a distribution layer feed and a ridge arranged to form a first ridge waveguide intermediate the distribution layer and the radiation layer. The ridge includes a first section connected to a second section via a curved section. The first section extends along a first ridge axis and the second section extends along a second ridge axis different from the first ridge axis.

An antenna structure includes a ground element, a metal mechanism element, a feeding element, a first connection element, a second connection element, and a shorting element. The metal mechanism element has a slot. The slot has a first edge and a second edge which are opposite to each other. The feeding element extends across the slot. A signal source is coupled through the feeding element to a feeding point on the first edge. The first connection element is coupled between a first connection point on the first edge and a second connection point on the second edge. The second connection element is coupled between a third connection point on the first edge and a fourth connection point on the second edge. A first grounding point on the second edge is coupled through the shorting element to the ground element.

An antenna structure includes a ground element, a metal mechanism element, a feeding element, a first connection element, a second connection element, and a shorting element. The metal mechanism element has a slot. The slot has a first edge and a second edge which are opposite to each other. The feeding element extends across the slot. A signal source is coupled through the feeding element to a feeding point on the first edge. The first connection element is coupled between a first connection point on the first edge and a second connection point on the second edge. The second connection element is coupled between a third connection point on the first edge and a fourth connection point on the second edge. A first grounding point on the second edge is coupled through the shorting element to the ground element.

Waveguide antennas and corresponding manufacturing methods are described herein. These include dual-linear antennas. These dual-linear antennas provide efficient transmission and reception of two radio-frequency signals that may be polarized in orthogonal orientations. The electrically conducting features within the dual-linear antenna are manufactured using standard printed circuit board (PCB) manufacturing technology. The final outer form of the dielectric waveguide antenna may be machined by turning on a lathe or similar mechanical technique, cast in a mold, or injection molded, and the final outer form is accurately aligned and registered to the radio-frequency features of the PCB. The dual-polarized antenna device may include multiple pairs of parallel slot antennas fabricated within a planar printed circuit.

Disclosed is an electronic device including a housing having a first plate, a second plate facing in a direction opposite to the first plate, and a side surface member surrounding a space between the first plate and the second plate and including a conductive portion, a communication module, and an antenna structure electrically connected with the communication module, wherein the antenna structure includes at least one first antenna element formed in the conductive portion and including a first slot having a first portion extending in a first length in a first direction and a second portion extending in a second length in a second direction different from the first direction, and at least one second antenna element formed in a position spaced apart by a predetermined distance from the first antenna element in the conductive portion and including at least one second slot having a fourth portion extending in the first length in the first direction and a fifth portion extending in the second length in a third direction different from the second direction.