Embodiments of the present invention provide an antenna structure for a mobile terminal. The antenna structure comprises a first antenna to a sixth antenna, a matching circuit, and a feed point; a spacer region is provided between the first antenna and the second antenna; a fourth antenna is disposed on one side of the spacer region, the fifth and fourth antennas are disposed opposite to each other, and the third antenna and the feed point are disposed on the side edge of the fifth antenna; the fifth, sixth and third antennas are electrically connected, and the matching circuit is connected to the fifth antenna, the sixth antenna, the third antenna, and the feed point.

An electronic device includes a side surface member, a wireless communication circuit, and a switch circuit. The side surface member includes a first conductive portion coupled to the wireless communication circuit and the switch circuit, a second conductive portion coupled to the switch circuit, and a first non-conductive portion disposed between the first conductive portion and the second conductive portion. The switch circuit is controlled to be in at least one of a first state, a second state, and a third state, based on a first frequency of a first operating signal supplied by the wireless communication circuit. The switch circuit is configured to couple the second conductive portion to the wireless communication circuit, in the first state, and to couple the second conductive portion to the first conductive portion, in the second state.

Provided is an electronic device having an antenna. The electronic device comprises: a radiator configured by stacking metal patterns on different layers of a multi-layer structure; and an antenna module including a feeding unit disposed on a specific layer of the radiator and having a feeding line configured to be connected to the radiator, wherein the radiator includes a first pad connected to the feeding line and a second pad disposed on the first pad, and the first pad and the second pad are connected to each other by a first connection line and a second connection line.

Provided is an electronic device having an antenna. The electronic device comprises: a radiator configured by stacking metal patterns on different layers of a multi-layer structure; and an antenna module including a feeding unit disposed on a specific layer of the radiator and having a feeding line configured to be connected to the radiator, wherein the radiator includes a first pad connected to the feeding line and a second pad disposed on the first pad, and the first pad and the second pad are connected to each other by a first connection line and a second connection line.

An antenna structure and a terminal device are provided. The antenna structure is applied to a terminal device with a curved screen. The antenna structure includes a radiator and a feeding point. The radiator has a first break and a second break located on different sides, the first break is on one curved side edge, and the second break is on one non-curved side edge. The feeding point is electrically connected to the radiator and located between the first break and the second break. A length of a radiation arm between the feeding point and the first break is less than a length of a radiation arm between the feeding point and the second break. The antenna structure has a low-frequency radiation mode that utilizes the radiation arm between the feeding point and the second break for radiation.

An antenna structure and a terminal device are provided. The antenna structure is applied to a terminal device with a curved screen. The antenna structure includes a radiator and a feeding point. The radiator has a first break and a second break located on different sides, the first break is on one curved side edge, and the second break is on one non-curved side edge. The feeding point is electrically connected to the radiator and located between the first break and the second break. A length of a radiation arm between the feeding point and the first break is less than a length of a radiation arm between the feeding point and the second break. The antenna structure has a low-frequency radiation mode that utilizes the radiation arm between the feeding point and the second break for radiation.

An antenna includes a first radiator, a second radiator, and a feed. The first radiator has a first feed point and a first ground point. The second radiator has a second feed point and a second ground point. The antenna further includes a connection line. The connection line has a first end and a second end that are opposite to each other. The first end is coupled to the first feed point of the first radiator, and the second end is coupled to the second feed point of the second radiator. A feeding point is disposed on the connection line, and the feeding point is coupled to the feed.

Antenna systems with tunable frequency response circuits are provided herein. In certain embodiments, an antenna system includes an antenna element and a tuning conductor that is spaced apart from the antenna element and operable to load the antenna element. Thus, the tuning conductor is electromagnetically coupled to the antenna element, for instance, capacitively coupled to the antenna element. Furthermore, a tunable frequency response circuit is electrically connected to the tuning conductor. By implementing the antenna system in this manner, antenna characteristics of the antenna element can be controlled.

An electronic device may include: a processor; a frame comprising metal including a first conductive part and a second conductive part; a first wireless communication circuit for providing a first signal of a first frequency band to the first conductive part; a second wireless communication circuit for providing a second signal of a second frequency band to the second conductive part; a passive element electrically connected to the path between the second conductive part and the second wireless communication circuit; and a switching circuit connected to the passive element, wherein the first wireless communication circuit can be controlled to transmit the first signal through the first conductive part, and the switching circuit can be controlled such that a first switch connected to the passive element operates in an open state while the first signal is transmitted. The passive element and the switching circuit in the open state can block passage of at least a part of the first signal introduced to the second conductive part.

Various embodiments provide an antenna assembly and associated systems, devices, and methods. The antenna assembly may include two or more antennas, including a first antenna and a second antenna, coupled to a ground plane. The antenna assembly may further include an isolation network coupled to the ground plane between the first and second antennas. The isolation network may include a conductive structure between conductive antenna portions of the first and second antennas, and an isolation circuit coupled between the conductive structure and the ground plane. The isolation circuit may include a resistor, an inductor, and/or a capacitor (e.g., coupled in parallel with one another). Other embodiments may be described and claimed.