An antenna comprises a printed circuit board that includes a central feed point and a plurality of antenna elements formed therein, where the antenna elements extending radially from the central feed point. Each antenna element comprises a feed line that is coupled to the central feed point, the feed line including a feed conductor and a ground conductor, and at least two dipole radiators coupled to the feed line, each dipole radiator comprising a first dipole arm that is coupled to the feed conductor and a second dipole arm that is coupled to the ground conductor. A first length of a first of the dipole radiators is different than a second length of a second of the dipole radiators. Each of the dipole radiators is fed in-phase.

An electromagnetic wave transmission structure including a substrate, at least one transmission line, antennas, and tunable dielectric units is provided. The transmission line includes a first extending portion and second extending portions. The first extending portion is extended in a first direction. The second extending portions are respectively extended from two opposite edges of the first extending portion, and an extending direction thereof is parallel to a second direction. The second extending portions are arranged along the first direction. The antennas are disposed near the at least one transmission line. The tunable dielectric units are overlapped with portions of the at least one transmission line located between the antennas. Each tunable dielectric unit has an overlapped first electrode layer and controllable dielectric layer. The controllable dielectric layer is disposed between the first electrode layer and the at least one transmission line.

A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by the plurality of phase adjustment units are different from each other.

A system includes one or more antennas; and a processor to control a directionality of the antennas in communication with a predetermined target using 5G protocols.

A system for transmitting and receiving wireless signals through a physical barrier, such as walls or windows, to wireless computing devices that are located internal to a structure that is formed in part by the physical barrier. The wireless signals are millimeter waveforms with gigahertz frequencies that are communicated with 5G communication protocols by one or more remote base station nodes located external to the physical barrier. One or more external antennas are configured to communicate RF wireless signals with HMA waveforms to remote wireless base station. In one or more embodiments, the RF wireless signals are amplified and communicated bi-statically through the window barrier between customer premises equipment and an authorized remote wireless base station.

A system for transmitting and receiving wireless signals through a physical barrier, such as walls or windows, to wireless computing devices that are located internal to a structure that is formed in part by the physical barrier. The wireless signals are millimeter waveforms with gigahertz frequencies that are communicated with 5G communication protocols by one or more remote base station nodes located external to the physical barrier. One or more external antennas are configured to communicate RF wireless signals with HMA waveforms to remote wireless base station. In one or more embodiments, the RF wireless signals are amplified and communicated bi-statically through the window barrier between customer premises equipment and an authorized remote wireless base station.

A method and apparatus for using Euclidean modulation in an antenna are disclosed. In one embodiment, a method for controlling an antenna comprises mapping a desired modulation to achievable modulation states, mapping modulation values associated with the achievable modulation states to one or more control parameters, and controlling radio frequency (RF) radiating antenna elements using the one or more control parameters to perform beam forming.

A method and apparatus for using Euclidean modulation in an antenna are disclosed. In one embodiment, a method for controlling an antenna comprises mapping a desired modulation to achievable modulation states, mapping modulation values associated with the achievable modulation states to one or more control parameters, and controlling radio frequency (RF) radiating antenna elements using the one or more control parameters to perform beam forming.

An antenna device and an electronic device are provided. The antenna apparatus includes a dielectric substrate, a grounding metal layer, a radiation patch, a first feeding structure, a first deflection patch, and a radio frequency chip. The grounding metal layer, the dielectric substrate, and the radiation patch are stacked. The first feeding structure has a first end connected to the radiation patch, and a second end electrically connected to the radio frequency chip. The radio frequency chip is configured to feed a first excitation signal to the first feeding structure to excite the radiation patch to radiate beam. The first deflection patch is fixed on a side of dielectric substrate away from the grounding metal layer, the first deflection patch is located at a side of the radiation patch, and is configured to be in an amorphous state or in a crystalline state when the antenna device works.

A method and apparatus for transceiving a signal in a wireless communication system is provided. A base station for transceiving a signal in a wireless communication system includes a transceiver and at least one processor. The transceiver includes an antenna unit and a metamaterial unit. The metamaterial unit includes a metamaterial lens unit and a metamaterial lens controller, and the at least one processor is configured to generate a first beam via hybrid beamforming in the antenna unit; transmit the generated first beam to the metamaterial lens unit, generate a second beam from the first beam, by adjusting the metamaterial lens unit, based on a control signal generated by the metamaterial lens controller, and transmit a downlink signal to a terminal by using the generated second beam.