An oscillator antenna unit and an antenna are disclosed. The oscillator antenna comprises a plurality of oscillator arms and a guiding sheet. The plurality of oscillator arms extend outwards along a middle axle of the oscillator antenna unit and are arranged at an interval from one another. Extension directions of the oscillator arms form a first plane, and the guiding sheet parallel to the first plane is arranged above the oscillator arms and has a predetermined interval therewith. The antenna comprises at least two oscillator antenna units arranged in an array. Therefore, the technical solution of the embodiment of the present disclosure may improve the isolation and achieve a better decoupling effect.

An antenna system includes a composite antenna including a first antenna element disposed above a ground plane, the first antenna element being operatively coupled to a first signal source providing a first signal, the first antenna element being configured to radiate the first signal provided by the first signal source; and a second antenna element disposed above the first antenna element, the second antenna element being operatively coupled to a second signal source providing a second signal, the second antenna element being configured to radiate the second signal provided by the second signal source, the first signal and the second signal being adjusted to set a beamwidth and a directivity of a beam pattern of a combined beam radiated by the composite antenna.

A magneto-electric dipole antenna comprising a magnetic dipole antenna portion and an electric dipole antenna portion arranged to form a complementary antenna is disclosed. The electric dipole antenna portion comprises a plurality of electric patch portions. Each electric patch portion comprises a first patch region of a first conductivity and a second patch region of a second conductivity lower than the first conductivity, and wherein the first patch region and the second patch region cooperate to define an electrical current path of the dipole antenna portion.

Apparatus and techniques described herein can provide enhanced wireless communication range for a wireless device without requiring additional external active circuitry, such as using a simple mechanical and electrical configuration as compared to using an active antenna booster device. Generally, the apparatus and techniques described herein can be used to enhance a directivity of a wireless device antenna using a passive attachment. For example, a directivity of a first antenna can be enhanced without substantially affecting the directivity or performance of another antenna on or within the wireless device.

An antenna device includes: a pair of first elements that are arranged on a first plane; and a pair of second elements that are arranged on a second plane parallel to the first plane such that a polarized wave direction of the pair of second elements is orthogonal to that of the pair of first elements. Each element of the pair of first elements and the pair of second elements includes a portion that acts as a self-similarity antenna or an antenna that acts based on similar operating principle to the self-similarity antenna. In one embodiment, each element of the pair of first elements and the pair of second elements includes two arms that extend in a direction away from each other from a proximal end portion to which a feed point is connectable.

Provided is an antenna device including a feeding antenna conductor, a non-feeding antenna conductor, a ground conductor, and an artificial magnetic conductor disposed between the feeding antenna conductor and the non-feeding antenna conductor, and the ground conductor. The antenna device further includes a conductor that electrically connects the artificial magnetic conductor to the ground conductor. The conductor is disposed at a position opposite to the feeding antenna conductor with respect to the non-feeding antenna conductor, and is separated from the non-feeding antenna conductor.

Disclosed is a display apparatus including: a display panel, a chassis supporting the display panel, a cover coupled to the chassis, a substrate disposed between the chassis and the cover, and a multi-band antenna disposed on the substrate. The multi-band antenna includes a first radiator configured to transmit and receive radio signals in a first frequency band and disposed on the substrate and extending parallel to the substrate, and a second radiator configured to transmit and receive radio signals in a second frequency band different from the first frequency band and protruding toward the cover at a position adjacent to the first radiator.

A multi-band base station antenna includes a linear array having a plurality of radiating elements arranged in a vertical direction. The radiating elements comprise first and second sets of radiating elements that each include one or more radiating elements. The first set of radiating elements operates in both first and second frequency bands, while the second set of radiating elements operates in the first frequency band but not in the second frequency band.

A multiband antenna, having a reflector, and a first array of first radiating elements having a first operational frequency band, the first radiating elements being a plurality of dipole arms, each dipole arm including a plurality of conductive segments coupled in series by a plurality of inductive elements; and a second array of second radiating elements having a second operational frequency band, wherein the plurality of conductive segments each have a length less than one-half wavelength at the second operational frequency band.

This application provides a multi-band shared-aperture antenna. The multi-band shared-aperture antenna includes a first antenna array, a second antenna array, and a reflection panel, where the first antenna array includes four first dielectric plates perpendicular, two adjacent first dielectric plates are perpendicular to each other, the first antenna array includes four hollowed butterfly dipole units, the dipole unit includes two radiation arms, the two radiation arms are respectively printed on two adjacent first dielectric plates, the radiation arm includes a first part and a second part, a first feeding stub is disposed on the first dielectric plate, the second part has a specified width in a direction perpendicular to the reflection panel, the second antenna array includes a plurality of second dielectric plates, four ring-shaped coils are disposed on any one of the second dielectric plates, and the ring-shaped coil is connected to a second feeding stub.