Techniques are disclosed for configuring a broadband antenna system. An example electronic device includes a first antenna operating at a first frequency range and coupled to a first transceiver via a first signal path comprising a first indirect feed. The electronic device also includes a second antenna operating at a second frequency range and coupled to a second transceiver via a second signal path comprising a second indirect feed, wherein the first frequency range is lower than the first frequency range. The electronic device also includes a third antenna operating at the second frequency range and coupled to a third transceiver via a second signal path comprising a third indirect feed. Additionally, the first antenna is coupled to the first antenna and the second antenna by a capacitive coupling element.

Techniques are disclosed for configuring a broadband antenna system. An example electronic device includes a first antenna operating at a first frequency range and coupled to a first transceiver via a first signal path comprising a first indirect feed. The electronic device also includes a second antenna operating at a second frequency range and coupled to a second transceiver via a second signal path comprising a second indirect feed, wherein the first frequency range is lower than the first frequency range. The electronic device also includes a third antenna operating at the second frequency range and coupled to a third transceiver via a second signal path comprising a third indirect feed. Additionally, the first antenna is coupled to the first antenna and the second antenna by a capacitive coupling element.

An antenna arrangement comprising: a first antenna; a second antenna; a first transmitter path coupled to the first antenna comprising a first matching circuit, the first matching circuit comprising a first serial capacitor divider arranged in series with the first antenna; a second transmitter path coupled to the second antenna comprising a second matching circuit comprising a second serial capacitor divider arranged in series with the second antenna; a first receiver path coupled to the first transmitter path at a first tapping point between capacitors of the first serial capacitor divider; a second receiver path coupled to the second transmitter path at a second tapping point between capacitors of the second serial capacitor divider; and a second node of the first antenna is coupled to the reference voltage node; and a second node of the second antenna is coupled to the reference voltage node.

An antenna arrangement comprising: a first antenna; a second antenna; a first transmitter path coupled to the first antenna comprising a first matching circuit, the first matching circuit comprising a first serial capacitor divider arranged in series with the first antenna; a second transmitter path coupled to the second antenna comprising a second matching circuit comprising a second serial capacitor divider arranged in series with the second antenna; a first receiver path coupled to the first transmitter path at a first tapping point between capacitors of the first serial capacitor divider; a second receiver path coupled to the second transmitter path at a second tapping point between capacitors of the second serial capacitor divider; and a second node of the first antenna is coupled to the reference voltage node; and a second node of the second antenna is coupled to the reference voltage node.

A vehicle antenna device and an antenna module thereof are disclosed. The antenna module has an antenna radiation area with a first and second antenna radiation areas, the first antenna radiation area is disposed and adjacent to the second antenna radiation area along a first direction, and has a first length along a second direction, the second antenna radiation area has a second length along the second direction; a first ground area, disposed along the second direction and corresponded to the first antenna radiation area, a first distance along the second direction is between the first ground area and the first antenna radiation area, and a second ground area, disposed along the second direction and corresponded to the second antenna radiation area, a second distance along the second direction is between the second ground area and the second antenna radiation area.

A vehicle antenna device and an antenna module thereof are disclosed. The antenna module has an antenna radiation area with a first and second antenna radiation areas, the first antenna radiation area is disposed and adjacent to the second antenna radiation area along a first direction, and has a first length along a second direction, the second antenna radiation area has a second length along the second direction; a first ground area, disposed along the second direction and corresponded to the first antenna radiation area, a first distance along the second direction is between the first ground area and the first antenna radiation area, and a second ground area, disposed along the second direction and corresponded to the second antenna radiation area, a second distance along the second direction is between the second ground area and the second antenna radiation area.

Embodiments of the present application provide an electronic device for wireless communication. An example electronic device includes a low-frequency processing circuit, a high-frequency processing circuit, a coil, and at least one capacitor. The low-frequency processing circuit is electrically connected to two ends of the coil. The high-frequency processing circuit is electrically connected to the two ends of the coil. Each of the at least one capacitor is connected in parallel to the coil.

A multiband loop antenna includes a first, electrically conductive, L-shaped substructure on a first layer of a printed circuit board. The first substructure has a first resonant frequency and a feed point of the antenna. A second, electrically conductive, L-shaped substructure on the first layer of the printed circuit board is configured for a second resonant frequency. The first and second substructures are capacitively coupled to one another in a coupling region. The first and second substructures are disposed on the first layer of the printed circuit board in such a manner as to form a loop together with an electrically conductive first reference region. An electrically conductive second reference region on an electrically conductive second layer of the printed circuit board has an impedance element which extends away from the second reference region starting from a transverse edge of the second reference region.

A multiband loop antenna includes a first, electrically conductive, L-shaped substructure on a first layer of a printed circuit board. The first substructure has a first resonant frequency and a feed point of the antenna. A second, electrically conductive, L-shaped substructure on the first layer of the printed circuit board is configured for a second resonant frequency. The first and second substructures are capacitively coupled to one another in a coupling region. The first and second substructures are disposed on the first layer of the printed circuit board in such a manner as to form a loop together with an electrically conductive first reference region. An electrically conductive second reference region on an electrically conductive second layer of the printed circuit board has an impedance element which extends away from the second reference region starting from a transverse edge of the second reference region.