Abstract: An antenna structure, which comprises a substrate, a ground plane and an antenna element. The substrate comprises a first surface and a second surface opposite to the first surface. The ground plane comprises a ground branch. The antenna element comprises a feed-in body, a radiating body and a short circuit part. The feed-in body is configured for receiving a feed-in signal, wherein projection of a part of the feed-in body to the first surface overlaps with the ground plane. The radiating body comprises a first radiating part and a second radiating part connected to the first radiating part. The short circuit part is connected to the second radiating part, and configured for connecting the ground plane through a via hole.

Abstract: A communication system is disclosed. The communication system includes an active antenna set and a passive antenna set. The active antenna set includes at least one active antenna array, the at least one active antenna array is configured to transmit a first signal through at least one active beam group, and the at least one active beam group covers a first coverage area with a first coverage angle. The passive antenna set includes at least one passive antenna subset, the at least one passive antenna subset is configured to transmit a second signal through at least one passive beam group, and the at least one passive beam group covers a second coverage area with a second coverage angle. The first coverage area and the second coverage area do not overlap.

Abstract: An antenna structure is provided, which includes a substrate, an antenna unit and a metal ground. The substrate includes a first surface and a second surface; the antenna unit disposed on the first surface includes a radiation part, a feeding part and a feeding line, where the feeding line includes a first transmission line and a second transmission line that are perpendicular to each other and connected to each other, and the first transmission line is connected to the radiation part via the feeding part; and the metal ground disposed on the second surface has an edge which is perpendicular to projection of the radiation part to the metal ground; and a resonance slot is disposed on the metal ground, and its position corresponds between projection of the second transmission line to the metal ground and the edge.

Abstract: An antenna structure is provided, which includes a substrate, a ground layer, a multi-branch circuit, and multiple antenna elements. The substrate includes a first surface and a second surface. The ground layer is disposed between the first surface and the second surface. The multi-branch circuit is disposed on the first surface, wherein the multi-branch circuit includes a signal feeding terminal and multiple signal output terminals, wherein multiple feeding branches are formed between the signal feeding terminal and the multiple signal output terminals. The multiple antenna elements is disposed on the second surface, wherein the multiple antenna elements are connected to the multiple signal output terminals through respective via holes, and are configured for beamforming, wherein a length difference between path lengths of the feed branches of two adjacent antenna elements in a horizontal direction is configured for controlling a beam angle of the multiple antenna elements.

Abstract: An antenna array device is provided, which includes a ground plate, a substrate, an antenna array, and multiple patch elements. The substrate is disposed on the ground plate. The antenna array is disposed on the substrate. And the multiple patch elements are disposed on the substrate and arranged around the antenna array, and the multiple patch elements are floating (not connected to the ground plate).

Abstract: The present disclosure relates to a beamforming device, including a transceiver circuit, a switch circuit and a beam former. The switch circuit is electrically connected to the transceiver circuit. The beam former contains a plurality of antenna units. The antenna units receive and send signals according to multiple radiation angles, and the radiation angle of each antenna unit is different. The switch circuit selectively conducts one of the antenna units to the transceiver circuit according to a control signal.

Abstract: An antenna array device provided, which includes a substrate, multiple antenna elements, a metal ground plate and a first isolation unit group. The multiple antenna elements are disposed on a first surface of the substrate. The multiple antenna elements have a first polarization direction and a second polarization direction opposite to the first polarization direction. The first isolation unit group is disposed between adjacent two of the multiple antenna elements. An arrangement direction of the first isolation unit group is perpendicular to the first polarization direction and the second polarization direction. The first isolation unit group is two isolation units which are adjacent, each of which comprises an outer end and an inner end opposite to the outer end. The inner end is connected to the metal ground plate disposed on a second surface of the substrate via a second via.

Abstract: An antenna structure is provided, which includes a substrate, an antenna unit and a metal ground. The substrate includes a first surface and a second surface; the antenna unit disposed on the first surface includes a radiation part, a feeding part and a feeding line, where the feeding line includes a first transmission line and a second transmission line that are perpendicular to each other and connected to each other, and the first transmission line is connected to the radiation part via the feeding part; and the metal ground disposed on the second surface has an edge which is perpendicular to projection of the radiation part to the metal ground; and a resonance slot is disposed on the metal ground, and its position corresponds between projection of the second transmission line to the metal ground and the edge.

Abstract: A dual polarized antenna includes a first antenna unit and an isolated band gap. The first antenna unit is formed on the dielectric board, and the first antenna unit being conducted is configured to receive or transmit a signal with each of a first polarization direction and a second polarization direction. The isolated band gap is formed on the dielectric board and is disposed adjacent to the first antenna unit. It forms a first included angle which is neither 0° nor 90° between the first polarization direction and the isolated band gap.

Abstract: The present disclosure relates to a beamforming device, including a transceiver circuit, a switch circuit and a beam former. The switch circuit is electrically connected to the transceiver circuit. The beam former contains a plurality of antenna units. The antenna units receive and send signals according to multiple radiation angles, and the radiation angle of each antenna unit is different. The switch circuit selectively conducts one of the antenna units to the transceiver circuit according to a control signal.

Abstract: A communication device includes a ground plane, an antenna array, and an EBG (Electromagnetic Band Gap) structure. The antenna array includes a plurality of antenna elements. The EBG structure includes a plurality of EBG units. The EBG units are coupled to the ground plane. The antenna array is surrounded by the EBG structure. The EBG structure is configured to suppress the front-to-back ratio of the radiation efficiency of the antenna array.

Abstract: An antenna array includes a plurality of antenna elements disposed on the same plane. The antenna elements are arranged to form a symmetrical pattern. The symmetrical pattern is neither square nor rectangular. The antenna elements have the same output power. The radiation pattern of the antenna array includes a main lobe and a side lobe. The main lobe is higher than the side lobe by at least 18 dB.

Abstract: An antenna array includes a plurality of antenna elements disposed on the same plane. The antenna elements are arranged to form a symmetrical pattern. The symmetrical pattern is neither square nor rectangular. The antenna elements have the same output power. The radiation pattern of the antenna array includes a main lobe and a side lobe. The main lobe is higher than the side lobe by at least 18 dB.

Abstract: A communication device includes a ground plane, an antenna array, and an EBG (Electromagnetic Band Gap) structure. The antenna array includes a plurality of antenna elements. The EBG structure includes a plurality of EBG units. The EBG units are coupled to the ground plane. The antenna array is surrounded by the EBG structure. The EBG structure is configured to suppress the front-to-back ratio of the radiation efficiency of the antenna array.

Abstract: A dual polarized antenna includes a first antenna unit and an isolated band gap. The first antenna unit is formed on the dielectric board, and the first antenna unit being conducted is configured to receive or transmit a signal with each of a first polarized direction and a second polarized direction. The isolated band gap is formed on the dielectric board and is disposed adjacent to the first antenna unit. It forms a first included angle which is neither 0° nor 90° between the first polarized direction and the isolated band gap.

Abstract: An electronic device including a first casing, a second casing, at least one first connecting unit and at least one feeding unit is provided. The first casing includes a conductive material. The second casing includes a conductive material. The first casing and the second casing are conducted with each other through the first connecting unit. The feeding unit is electrically connected to the first casing and has a feeding point and a capacitor component, wherein the capacitor component is connected with the feeding point, and the electronic device forms an antenna structure with the first casing, the second casing, the first connecting unit and the feeding unit and transmits an electromagnetic signal via the feeding unit.

Abstract: An electronic device having antenna structure is provided. The electronic device includes a first body, a pivot assembly, a second body and an antenna structure. The pivot assembly is pivoted to the first body along a first axis. The second body is pivoted to the pivot assembly along a second axis. The antenna structure is disposed in the pivot assembly and has a first radiation portion, a second radiation portion and a third radiation portion. The first radiation portion and the second radiation portion have a slot therebetween to form a slot antenna. The third radiation portion forms a monopole antenna and is aligned to the slot. The third radiation portion and the slot are not coplanar.

Abstract: An electronic device including a first casing, a second casing, at least one first connecting unit and at least one feeding unit is provided. The first casing includes a conductive material. The second casing includes a conductive material. The first casing and the second casing are conducted with each other through the first connecting unit. The feeding unit is electrically connected to the first casing and the second casing, wherein the electronic device forms an antenna structure with the first casing, the second casing, the first connecting unit and the feeding unit and transmits an electromagnetic signal via the feeding unit.

Abstract: An electronic device having antenna structure is provided. The electronic device includes a first body, a pivot assembly, a second body and an antenna structure. The pivot assembly is pivoted to the first body along a first axis. The second body is pivoted to the pivot assembly along a second axis. The antenna structure is disposed in the pivot assembly and has a first radiation portion, a second radiation portion and a third radiation portion. The first radiation portion and the second radiation portion have a slot therebetween to form a slot antenna. The third radiation portion forms a monopole antenna and is aligned to the slot. The third radiation portion and the slot are not coplanar.

Abstract: An antenna module and an electronic apparatus are provided. The electronic apparatus includes a housing and the antenna module. The housing has an inner surface. The antenna module includes a circuit board, a proximity sensor and a sensing antenna patch. The circuit board is disposed in the housing, and has a top surface and a bottom surface opposite to the top surface. The circuit board has a communication antenna pattern on the top surface. The proximity sensor is mounted on the bottom surface. The sensing antenna patch is assembled on the inner surface of the housing and electrically connected to the proximity sensor. An orthogonal projection of the communication antenna pattern on the inner surface overlaps the sensing antenna patch on the inner surface.