An electronic device may include a housing including a first cover, a second cover, and a slot positioned in a first side surface. A first antenna is positioned between a first inner surface and a second inner surface, facing the slot, and configured to operate in a first frequency band, and a second antenna is positioned between the first inner surface and the second inner surface, facing the first antenna, and configured to operate in a second frequency band different from the first frequency band.

An electronic device may include a housing including a first cover, a second cover, and a slot positioned in a first side surface. A first antenna is positioned between a first inner surface and a second inner surface, facing the slot, and configured to operate in a first frequency band, and a second antenna is positioned between the first inner surface and the second inner surface, facing the first antenna, and configured to operate in a second frequency band different from the first frequency band.

The present invention relates to a base station antenna. The base station antenna comprises: a reflector that is configured to provide a ground plane; a first radiating element array including at least one first cross-polarized radiating element that is arranged on the reflector; and a first parasitic element array including first through third parasitic element pairs, wherein each of the first through third parasitic element pairs includes a pair of parasitic elements that are arranged substantially symmetrically on both sides of the first longitudinal axis, and distances from the first through third parasitic element pairs respectively to the first longitudinal axis increase sequentially, wherein projections of any two of the first parasitic element pair, the second parasitic element pair, the third parasitic element pair, and the at least one first cross-polarized radiating element on the first longitudinal axis at least partly overlap.

An antenna system includes a dielectric substrate, a ground element, and a first antenna element. The dielectric substrate has a first surface and a second surface, which are opposite to each other. The ground element is disposed on the first surface of the dielectric substrate. The first antenna element includes a first radiation element, a feeding radiation element, a second radiation element, and a shorting radiation element. The first radiation element has a feeding point, and is disposed on the second surface of the dielectric substrate. The feeding radiation element is adjacent to the first radiation element. The second radiation element is coupled to the feeding radiation element. The second radiation element is further coupled through the shorting radiation element to the ground element.

An antenna system includes a dielectric substrate, a ground element, and a first antenna element. The dielectric substrate has a first surface and a second surface, which are opposite to each other. The ground element is disposed on the first surface of the dielectric substrate. The first antenna element includes a first radiation element, a feeding radiation element, a second radiation element, and a shorting radiation element. The first radiation element has a feeding point, and is disposed on the second surface of the dielectric substrate. The feeding radiation element is adjacent to the first radiation element. The second radiation element is coupled to the feeding radiation element. The second radiation element is further coupled through the shorting radiation element to the ground element.

A printed circuit board includes: a first layer including a first ground including a first opening, wherein a first ground wire is within the first opening; a second layer disposed in a direction from the first layer and including a second ground including a second opening, wherein the second opening at least partially overlaps with the first opening and wherein a second ground wire is within the second opening; a third layer between the first layer and the second layer and including a third opening, wherein the third opening at least partially overlaps with the first opening and wherein a first via pad is within the third opening; and a fourth layer between the second layer and the third layer and including a fourth opening, wherein the fourth opening at least partially overlaps with the third opening and wherein a second via pad is within the fourth opening.

An antenna module includes a first antenna layer, including at least one main radiation unit including at least two main radiation patches symmetrically arranged and spaced apart from each other and at least one feeder portion located at or corresponds to a gap between adjacent two of the main radiation patches; a second antenna layer, stacked with the first antenna layer and including a reference ground arranged opposite to the main radiation patches and at least one microstrip insulated from the reference ground; at least one first electrically conductive member, electrically connected to the main radiation patches and the reference ground; and at least one second electrically conductive member, with an end being electrically connected to the feeder portion and another end being electrically connected to another end of the microstrip. An end of the microstrip is electrically connected to a radio frequency transceiver chip.

An antenna module includes a first antenna layer, including at least one main radiation unit including at least two main radiation patches symmetrically arranged and spaced apart from each other and at least one feeder portion located at or corresponds to a gap between adjacent two of the main radiation patches; a second antenna layer, stacked with the first antenna layer and including a reference ground arranged opposite to the main radiation patches and at least one microstrip insulated from the reference ground; at least one first electrically conductive member, electrically connected to the main radiation patches and the reference ground; and at least one second electrically conductive member, with an end being electrically connected to the feeder portion and another end being electrically connected to another end of the microstrip. An end of the microstrip is electrically connected to a radio frequency transceiver chip.

An antenna for a mobile device includes a ground element, a substrate disposed over the ground element, a first radiating element having a feedpoint, a second radiating element coupled to the ground element and adjacent the first radiating element, and a connection metal element disposed on the substrate, and a coaxial cable, having central conductor coupled to the feedpoint, a shielding conductor, and an insulating outer layer, wherein the shielding conductor has a bare region, spaced from the feedpoint, that exposes a portion of the shielding conductor, and the portion of the shielding conductor is coupled through the connection metal element to the second radiating element.

An antenna for a mobile device includes a ground element, a substrate disposed over the ground element, a first radiating element having a feedpoint, a second radiating element coupled to the ground element and adjacent the first radiating element, and a connection metal element disposed on the substrate, and a coaxial cable, having central conductor coupled to the feedpoint, a shielding conductor, and an insulating outer layer, wherein the shielding conductor has a bare region, spaced from the feedpoint, that exposes a portion of the shielding conductor, and the portion of the shielding conductor is coupled through the connection metal element to the second radiating element.