Apparatus, system and method for operating a transmission line. The transmission line includes two non-electrically coupled conductive sections. At least one electronic device is coupled to and between the two sections of the transmission line. The at least one electronic device are configured to stably maintain, in the absence of electric current applied to the at least one electronic device, a conductive state, and a non-conductive state, as between the two sections of the transmission line.

A multibeam antenna is provided comprising a direct radiating array, DRA, and a reflector arranged to reflect signals radiated from the DRA in a transmission mode and to reflect signals to the DRA in a reception mode. The antenna is a very high throughput satellite (VHTS) antenna providing global coverage with narrow, high gain beams.

Provided are a display device and a manufacturing method thereof. The display device includes a display assembly, an antenna, and a feed circuit board. At least part of the antenna is disposed on the side of the light emission surface of the display assembly. The antenna includes a radiator and a first feed structure connected to the radiator. The feed circuit board is disposed on the side of the display assembly facing away from the light emission surface. The feed circuit board includes a power division network and a second feed structure connected to the power division network. The first feed structure at least partially overlaps the second feed structure along the thickness direction of the display assembly.

An apparatus is disclosed for controlling a power amplifier that is coupled to an antenna element of an antenna array. In example implementations, an apparatus includes an antenna element of an antenna array and a power amplification system. The power amplification system includes at least one input node, at least one output node coupled to the antenna element, and at least one power amplifier branch coupled between the at least one input node and the at least one output node. The power amplification system also includes at least one feedback node coupled to the at least one output node, at least one control node, and a feedback control loop coupled between the at least one feedback node and the at least one control node.

An omnidirectional vertically polarized antenna. A number of antenna elements are each fabricated on a backing, such as a printed circuit board. The front of each antenna element has conductive strips and slots, arranged in an alternating pattern. The back of each antenna element has an antenna feed circuit. An electrically absorptive layer is attached to the back of each antenna element. The antenna elements are assembled together in a nonconductive housing with circumferentially arranged compartments that receive the antenna elements.

Methods and apparatus for a radiator assembly having a feed circuit with an air interface to a quadridge feed structure to excite an antenna, such as a stacked patch antenna. Embodiments of the assembly can provide enhanced bandwidth, scan angle performance, and coincident phase centers for dual-linear polarizations.

A multi-antenna system and an electronic device comprising the same. An intelligent multi-antenna solution in which antennas are laid out at the top, the side, and the bottom of an electronic device is used, so that three antenna groups including a top antenna group, a middle antenna group, and a bottom antenna group are respectively formed, and antenna performance in a plurality of scenarios such as a free-space scenario, a portrait-mode holding scenario, and a landscape-mode holding scenario is considered, to improve antenna radiation efficiency.

An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.

An antenna apparatus, an electronic device and a decoupling method for the antenna apparatus. The antenna apparatus includes a first antenna unit and a second antenna unit, a first decoupling network including a first input port connected to a first feed source; a first output port connected to the first antenna unit; and a first decoupling port; a second decoupling network including a second input port connected to a second feed source; a second output port connected to the second antenna unit; and a second decoupling port; and a decoupling transmission line connected between the first decoupling port and the second decoupling port. The first decoupling network and the decoupling transmission line form a power divider, such that a power input from the first input port is distributed to the first antenna unit and the decoupling transmission line based on a power division ratio of the power divider.

Examples disclosed herein relate to a high frequency component isolation for wireless and radar systems. The disclosure herein includes a radar system that has an array of radiating elements and a phase control module coupled to the array of radiating elements. The phase control module is configured to isolate one or more transmission signal paths through the phase control module from at least one conductor electrically coupled to one or more active circuits in the phase control module, the at least one conductor proximate to the one or more transmission signal paths. The phase control module is configured to adjust a reactance in a transmission signal propagating through the isolated one or more transmission signal paths to one or more radiating elements of the array of radiating elements. Other examples disclosed herein include beamforming system with high frequency component isolation and a method of beamforming with high frequency component isolation.