In an implementation, an integrated switch device includes a set of first ports; a set of first switches, wherein each first switch of the set of first switches is coupled between a respective first port of the set of first ports and ground, and wherein the first ports are only coupled to the first switches within the integrated switch device; a set of second ports; a set of third ports; a set of second switches, wherein each second switch is coupled between a respective second port of the set of second ports and a respective third port of the set of third ports; and a set of third switches, wherein each switch of the set of third switches is coupled between the respective third port and ground.

An antenna front-end module, a method, and an information handling system are provided. An antenna front-end module comprises a circuit board. The circuit board comprises an antenna tuning circuit adapted to tune a feed impedance of an antenna, the antenna electrically connected to the circuit board, and an antenna proximity sensing circuit adapted to obtain proximity sensing information indicative of proximity of a part of a human body to the antenna. A method comprises obtaining, at an antenna proximity sensing circuit on a circuit board, proximity sensing information indicative of proximity of a part of a human body to an antenna, the antenna electrically connected to the circuit board, and, in response to the obtaining, providing, to an antenna tuning circuit on the circuit board, a tuning parameter value to adapt antenna tuning for the proximity of the part of the human body to the antenna.

An antenna front-end module, a method, and an information handling system are provided. An antenna front-end module comprises a circuit board. The circuit board comprises an antenna tuning circuit adapted to tune a feed impedance of an antenna, the antenna electrically connected to the circuit board, and an antenna proximity sensing circuit adapted to obtain proximity sensing information indicative of proximity of a part of a human body to the antenna. A method comprises obtaining, at an antenna proximity sensing circuit on a circuit board, proximity sensing information indicative of proximity of a part of a human body to an antenna, the antenna electrically connected to the circuit board, and, in response to the obtaining, providing, to an antenna tuning circuit on the circuit board, a tuning parameter value to adapt antenna tuning for the proximity of the part of the human body to the antenna.

Provided are embodiments for a system and a method for operating an omnidirectional antenna. Embodiments include operating a first antenna that includes a first input configured to receive an input signal, a plurality of subarrays configured for transmitting and receiving signals, and a ground plane of the first antenna. Embodiments also include operating a second antenna coupled to the first antenna that includes a second input configured to receive an input signal, a plurality of arms configured for transmitting and receiving signals, a ground plane of the second antenna, and coupling the ground plane of the first antenna and the ground plane of a second antenna.

An antenna structure includes a housing, a first feed source, a second feed source, a third feed source, and a radiating body. The first feed source is electrically coupled to a first radiating portion of the housing and adapted to provide an electric current to the first radiating portion. The second feed source is electrically coupled to the second radiating portion and adapted to provide an electric current to the second radiating portion. The radiating body is mounted within the housing and electrically coupled to the third feed source. The third feed source provides an electric current to the radiating body.

An antenna structure includes a housing, a first feed source, a second feed source, a third feed source, and a radiating body. The first feed source is electrically coupled to a first radiating portion of the housing and adapted to provide an electric current to the first radiating portion. The second feed source is electrically coupled to the second radiating portion and adapted to provide an electric current to the second radiating portion. The radiating body is mounted within the housing and electrically coupled to the third feed source. The third feed source provides an electric current to the radiating body.

An electronic device is provided. The electronic device includes a foldable housing including, a hinge structure, a first housing structure including a first surface, a second surface, and a first side member, wherein the first side member encloses at least a portion of a space between the first surface and the second surface and includes a first conductive portion, a first non-conductive portion, and a second conductive portion, and a second housing structure including a third surface, a fourth surface, and a second side member, a printed circuit board, at least one wireless communication circuit including a first electrical path and a second electrical path, a first variable element including a first terminal, a second terminal, and a third terminal, and a second variable element including a fourth terminal, a fifth terminal, and a sixth terminal.

A vehicle-body-embedded antenna device includes an antenna element, a circuit board, a coil and a ground bracket. The antenna element of a grounded type has an antenna capacitance adapted to function as a capacitive antenna that supports a first frequency band, and main polarization thereof is polarization substantially parallel to the roof surface. The coil is placed on the circuit board and connected to the power feeding part to which the antenna element is connected for making the antenna element to have an antenna length supporting a second frequency band. The ground bracket is directly grounded to a conductive member of the vehicle body which is provided at an angle different from an angle of the roof surface for improving polarization sensitivity of the antenna element substantially perpendicular to the roof surface.

A vehicle-body-embedded antenna device includes an antenna element, a circuit board, a coil and a ground bracket. The antenna element of a grounded type has an antenna capacitance adapted to function as a capacitive antenna that supports a first frequency band, and main polarization thereof is polarization substantially parallel to the roof surface. The coil is placed on the circuit board and connected to the power feeding part to which the antenna element is connected for making the antenna element to have an antenna length supporting a second frequency band. The ground bracket is directly grounded to a conductive member of the vehicle body which is provided at an angle different from an angle of the roof surface for improving polarization sensitivity of the antenna element substantially perpendicular to the roof surface.

A radiating system comprises a radiating structure, first and second external ports, and a radiofrequency system. The radiating structure comprises a ground plane layer including a connection point, a single radiation booster including a connection point, and a first internal port defined between the connection points of the single radiation booster and the ground plane layer. The first and second external ports each provide operation in at least one frequency band. The radiofrequency system includes a first port connected to the first internal port of the radiating structure, and second and third ports respectively connected to the first and second external ports.