A broadband multiple-input multiple-output (MIMO) antenna with self-decoupling characteristics includes: a dielectric substrate, a metal patch printed on an upper surface of the dielectric substrate, and a pair of horizontal back-to-back elliptical tapered slots and a vertical elliptical tapered slot etched on the metal patch. A microstrip line and another bent micro strip line are respectively used to feed the vertical elliptical tapered slot and the pair of horizontal elliptical tapered slots, and characteristic modes of the horizontal slots excited by the bent microstrip line and characteristic modes of the vertical slot excited by the micro strip line are mutually orthogonal. By adopting the technical scheme, no additional decoupling structure needs to be introduced, and lower coupling can be realized in a wider working frequency band.

An antenna module includes a hollow cylindrical conductor structure. The hollow cylindrical conductor structure includes a cylinder wall, at least one first slot, and a first feed point. The at least one first slot and the first feed point are located on the cylinder wall. The cylinder wall includes a first end edge and a second end edge opposite to each other. The at least one first slot extends from an internal position of the cylinder wall to the first end edge, and forms a first closed path together with the first end edge. The first feed point is located beside the at least one first slot. The antenna module is adapted to excite a first frequency band through the first closed path.

A slot antenna assembly adapted to a metal case is provided in the disclosure. The slot antenna assembly includes a substrate and a metal wire. The substrate includes a first sheet plate and a second sheet plate. The first sheet plate is conductive and is provided with a slot opposite to an opening of the metal case, a size of the slot being less than or equal to a size of the opening. The second sheet plate is not conductive and is connected to the first sheet plate. The metal wire is located on a surface of the second sheet plate to be connected to a feeding signal. A vertical projection of the metal wire on the first sheet plate crosses the slot, and the metal wire and the slot together excite a low-frequency mode and a high-frequency mode.

A slot antenna assembly adapted to a metal case is provided in the disclosure. The slot antenna assembly includes a substrate and a metal wire. The substrate includes a first sheet plate and a second sheet plate. The first sheet plate is conductive and is provided with a slot opposite to an opening of the metal case, a size of the slot being less than or equal to a size of the opening. The second sheet plate is not conductive and is connected to the first sheet plate. The metal wire is located on a surface of the second sheet plate to be connected to a feeding signal. A vertical projection of the metal wire on the first sheet plate crosses the slot, and the metal wire and the slot together excite a low-frequency mode and a high-frequency mode.

A chip antenna includes: a dielectric material block including a plurality of sides including a first side, a second side, and a third side that are different from each other; a first antenna portion including a first conductor pattern disposed on the first side; a second antenna portion including a second conductor pattern disposed on the second side; and a third antenna portion including a third conductor pattern disposed on the third side. The first conductor pattern, the second conductor pattern, and the third conductor pattern are respectively isolated on the first side, the second side, and the third side, and are independently positioned.

Provided is an electronic device that includes a first housing including a first side facing a first direction, a second side facing a second direction opposite to the first direction, and a first lateral side surrounding at least part of a space between the first side and the second side, wherein the first lateral side includes a first conductive portion and a first non-conductive portion; a second housing including a third side facing a third direction, a fourth side facing a fourth direction opposite to the third direction, a second lateral side surrounding at least part of a space between the third side and the fourth side and a ground member, wherein the second lateral side includes a second conductive portion and a second non-conductive portion; a flexible display disposed in the first housing and the second housing; a connecting member which connects the first housing and the second housing such that the first housing and the second housing are folded to face each other, wherein when the first housing and the second housing are folded, the first non-conductive portion and the second non-conductive portion abut against each other; at least one wireless communication circuit electrically connected to the first conductive portion; and at least one switching circuit disposed in the second housing, wherein the at least one switching circuit is electrically connected between the second conductive portion and the ground member such that the second conductive portion can be selectively connected to the ground member, and wherein the first lateral side forms at least a part of an exterior of the electronic device.

An electronic device is provided. The electronic device includes a first housing structure including a first side surface member, a second housing structure including a second side surface member, a hinge structure configured to rotatably connect the first housing structure and the second housing structure and configured to provide a folding axis on which the first housing structure and the second housing structure rotate, and at least one printed circuit board, wherein the first side surface member or the second side surface member includes a first side surface portion a second side surface portion, a third side surface portion, a fourth side surface portion, a fifth side surface portion, a first slit a second slit a third slit, and a fourth slit, and a fifth slit, and wherein at least part of at least one of the second side surface portion, the third side surface portion, and the fourth side surface portion is formed of a radiation conductor and is electrically connected to the at least one printed circuit board.

There is disclosed a mobile terminal including: a display; a middle frame including a supporting portion and a side portion provided around the supporting portion to define a lateral external appearance; a main board including a ground; a first wireless communication unit configured to transceive a first signal; a second wireless communication unit configured to transceive a second signal; and a rear case configured to cover a rear surface of the main board, wherein the side portion includes a plurality of conductive members of which ends are divided into slits, and the plurality of the conductive members includes a common antenna electrically connectable with the first wireless communication unit and the second wireless communication unit and configured to receive the first signal and the second signal; and an independent antenna electrically connectable with the first wireless communication unit and configured to receive the first signal.

There is disclosed a mobile terminal including: a display; a middle frame including a supporting portion and a side portion provided around the supporting portion to define a lateral external appearance; a main board including a ground; a first wireless communication unit configured to transceive a first signal; a second wireless communication unit configured to transceive a second signal; and a rear case configured to cover a rear surface of the main board, wherein the side portion includes a plurality of conductive members of which ends are divided into slits, and the plurality of the conductive members includes a common antenna electrically connectable with the first wireless communication unit and the second wireless communication unit and configured to receive the first signal and the second signal; and an independent antenna electrically connectable with the first wireless communication unit and configured to receive the first signal.

A communication apparatus includes a plurality of antenna parts configured to receive or transmit a wireless signal, a communication control part configured to control transmitting or receiving the wireless signal via at least any of the plurality of antenna parts, and a casing housing the communication control part, in which each of the plurality of antenna parts is held near each of a plurality of partial regions normal directions of which cross each other or the normal directions of which are mutually twisted in outer faces of the casing, and transmit or receive a first wireless signal and a second wireless signal propagating in directions substantially orthogonal to the partial regions and having mutually different polarization directions.