Abstract: Embodiments of this application provide a foldable electronic device including an antenna. The foldable electronic device include a first body, a second body, and a rotating shaft connected to the first body and the second body. The first body and the second body are rotatable around the rotating shaft. As the first body and the second body rotate, a form of the foldable electronic device may be switched between a folded state and an unfolded state. The antenna may be a slot antenna formed by hollowing out a metal housing of the first body or a metal housing of the second body. The slot antenna may include a first branch and a second branch, where the first branch and the second branch may be perpendicular to each other. This can reduce the antenna directivity coefficient, improve an antenna radiation pattern, and improve a signal coverage capability of the electronic device.

Abstract: This application provides a wireless access device and a communication system, and relates to the field of communication device technologies. The wireless access device includes a housing, a plurality of directional antennas, and a driving apparatus. The plurality of directional antennas are disposed in the housing and are distributed along a ring array, and a central axis of the ring array of the plurality of directional antennas is a first axis. The driving apparatus is disposed in the housing, and the driving apparatus is configured to drive the plurality of directional antennas to rotate relative to the housing, to respectively adjust beam directions of the plurality of directional antennas in the plurality of sectors.

Abstract: A MIMO antenna system related to the field of antenna technologies. A specific solution includes: The MIMO antenna system includes a first antenna and a second antenna, the first antenna includes a first radiator and a second radiator, the first radiator is in a ring structure, the second radiator is disposed inside the first radiator. A first feed is further disposed on the first antenna, and one end of the first feed is disposed on the first radiator and the second radiator. The second antenna includes a third radiator, the third radiator is in a ring structure, a penetration slot is disposed on the third radiator. A second feed is further disposed on the third radiator. The first antenna is disposed inside the second antenna and they are not connected to each other.

Abstract: This application relates to the field of communication device technologies, and provides a wireless router and a control method thereof, to resolve a problem of how to improve application universality of the wireless router. The wireless router includes an omnidirectional antenna, a directional antenna, and a driving apparatus. The driving apparatus is connected to the directional antenna, the driving apparatus is configured to drive the directional antenna to rotate, so that a beam direction of the directional antenna coincides with a direction of a target beam in a beam lookup table, and the target beam is capable of covering a target device. The beam lookup table includes a set formed by beams when the directional antenna rotates to a plurality of different orientations under driving of the driving apparatus. The wireless router provided in this application is used for wireless coverage of a house building.

Abstract: Embodiments of this application disclose a terminal antenna, and relate to the field of antenna technologies. The terminal antenna includes a first radiator and a second radiator, the first radiator is in a ring structure, the second radiator is disposed inside the first radiator, the first radiator and the second radiator are not directly connected, and the first radiator and the second radiator are located on a same plane. The terminal antenna further includes at least two inductor components, one end of the inductor component is connected to the first radiator, and the other end of the inductor component is connected to the second radiator. A feed is further disposed on the terminal antenna, one end of the feed is disposed on the first radiator, and the other end of the feed is disposed on the second radiator.

Abstract: Embodiments of this application are applicable to the field of antenna technologies, and provide an antenna and an electronic device. The antenna includes a first resonant cavity and a feed. The first resonant cavity includes a first slot and a second slot, the first slot is provided on a first plane in the first resonant cavity; the second slot is provided on a second plane that is in the first resonant cavity and that is adjacent to the first plane, and the first plane and the second plane are perpendicular to a plane on which the metal backplane is located; and the feed is disposed in the first resonant cavity for feeding the antenna. By using the antenna provided in the embodiments of this application, signal coverage in front of a screen of the electronic device can be increased.

Abstract: Embodiments of this application disclose a terminal antenna and an electronic device, and relate to the field of antenna technologies, which can better cover a medium-high frequency band, provide a good bandwidth and good radiation performance, reduce hardware costs, and have a good SAR, thereby better supporting a wireless communication function of the electronic device. A specific solution is as follows: The terminal antenna includes: a first radiator, a feed point, and a ground point. One end of the first radiator is grounded by using the ground point, and the other end of the first radiator is provided with the feed point. The first radiator is further provided with a slot that penetrates the first radiator, the slot is of an interdigital structure, and there are at least two slots.

Abstract: This application discloses a multi-antenna system and a wireless communication device. The multi-antenna system includes a first antenna, a second antenna. A first extension branch is close to the second antenna, and a second extension branch is close to the first antenna. A feed of the first antenna is disposed on the first radiator, and a feed of the second antenna is disposed on a second radiator. A feed of the third antenna is disposed at the first extension branch. There is a spacing between the first extension branch and the second extension branch. An equivalent circuit of the spacing includes a distributed capacitor. The distributed capacitor is configured to isolate signal coupling between the first antenna and the second antenna when a first resonant frequency of the first antenna and a second resonant frequency of the second antenna are within a preset frequency range.

Abstract: A Wi-Fi and Bluetooth combined antenna apparatus and a configuration method therefor, and a terminal device. The Wi-Fi and Bluetooth combined antenna apparatus includes a Wi-Fi antenna, a ground plate, a perturbation unit, and a Bluetooth antenna. The Wi-Fi antenna generates a ground plate current on the ground plate; the perturbation unit is configured to generate a reverse current after being excited by the ground plate current, and a current zero point area is formed on the ground plate after the reverse current is superimposed with the ground plate current; and the Bluetooth antenna is disposed at a position of an edge of the ground plate corresponding to the current zero point area. In this way, isolation between the Bluetooth antenna and the Wi-Fi antenna is better improved.

Abstract: Embodiments of this application disclose a terminal antenna and an electronic device, and relate to the field of antenna technologies, which can better cover a medium-high frequency band, provide a good bandwidth and good radiation performance, reduce hardware costs, and have a good SAR, thereby better supporting a wireless communication function of the electronic device. A specific solution is as follows: The terminal antenna includes: a first radiator, a feed point, and a ground point. One end of the first radiator is grounded by using the ground point, and the other end of the first radiator is provided with the feed point. The first radiator is further provided with a slot that penetrates the first radiator, the slot is of an interdigital structure, and there are at least two slots.

Abstract: This application provides a resonant cavity antenna and an electronic device, and relates to the communications field. The resonant cavity antenna includes an antenna cavity, a first gap, and a feeding part. At least one edge of a first surface of the antenna cavity is parallel to a long edge of a display of an electronic device, at least one edge of a second surface of the antenna cavity is parallel to the long edge of the display, a plane on which the first surface is located intersects a plane on which the second surface is located. The first gap is disposed on the first surface and/or the second surface, and at least a part of the first gap extends in a direction of the long edge of the display. The feeding part is located inside the antenna cavity, and in contact with none of surfaces of the antenna cavity.