The present disclosure relates to antenna devices and arrays of antenna devices. One example antenna device includes a first radiator configured to radiate a first electromagnetic signal, a second radiator configured to radiate a second electromagnetic signal, and a joint feeding network including a first 180-degree coupler and a second 180-degree coupler arranged in sequence. The first 180-degree coupler receives first input signal and second input signal, and the second 180-degree coupler provides first output signal to the first radiator and second output signal to the second radiator. In the joint feeding network, a first path connects the first 180-degree coupler to the second 180-degree coupler including a first phase shifter. A second path connects the first 180-degree coupler to the second 180-degree coupler including a second phase shifter and an attenuator.

An apparatus includes an eyeglass frame, a first antenna, a second antenna, and a parasitic element. The eyeglass frame can include at least one rim. The first antenna can be attached to the eyeglass frame. The second antenna can be attached to the eyeglass frame. The second antenna can be disposed on a first side of the at least one rim. The parasitic element can be attached to the eyeglass frame. The parasitic element can be on a second side of the at least one rim. The second side of the at least one rim can be opposite from the first side. A distance from the first antenna to the second antenna can be greater than a distance from the first antenna to the parasitic element. The distance from the first antenna to the second antenna can be greater than a distance from the second antenna to the parasitic element.

An electronic device is provided. The electronic device includes a housing including a first surface, a second surface disposed facing an opposite side of the first surface, and a side surface configured to surround at least a portion of a space between the first surface and the second surface, a first elongated metal member configured to form a first portion of the side surface and including a first end and a second end, at least one communication circuit electrically connected to a first point of the first elongated metal member through a capacitive element, at least one ground member disposed in an interior of the housing, and a first conductive member configured to electrically connect a second point of the first elongated metal member to the ground member. The second point of the first elongated metal member is disposed closer to the second end than to the first point.

A telecommunications antenna comprising a plurality of unit cells each including at least one radiator which transmits RF energy within a bandwidth range which is a multiple of another radiator. The radiators are proximal to each other such that a resonant condition may be induced into the at least one radiator upon activation of the other radiator. At least one of the radiators is segmented into capacitively-connected radiator elements to suppress a resonance response therein upon activation of the other of the radiator.

An antenna device includes a ground plane, a first feed via and a second feed via for penetrating the ground plane through a first hole and a second hole of the ground plane, a first feed pattern connected to the first feed via, a first antenna pattern configured to be coupled to the first feed pattern and transmit/receive an RF signal of a first frequency bandwidth, a second antenna pattern connected to the second feed via and configured to transmit/receive an RF signal of a second frequency bandwidth, and a third antenna pattern disposed between the first antenna pattern and the second antenna pattern, and overlapping the first antenna pattern and the second antenna pattern.

Radiating elements include a first and second dipole arms that extend along a first axis and that are configured to transmit RF signals in a first frequency band. The first dipole arm is configured to be more transparent to RF signals in a second frequency band than it is to RF signals in a third frequency band, and the second dipole arm is configured to be more transparent to RF signals in the third frequency band than it is to RF signals in the second frequency band. Related base station antennas are also provided.

Systems, methods, and non-transitory media are provided for cross-coupling modeling and compensation. An example method can include determining one or more cross-coupling coefficients representing electrical cross-coupling within a component of a phased array antenna, wherein the component of the phased array antenna includes one or more signal paths between one or more beamformers of the phased array antenna and a set of antenna elements of the phased array antenna; based on the one or more cross-coupling coefficients, modifying one or more beamforming weights calculated for one or more signals routed via the one or more signal paths, wherein the modified one or more beamforming weights compensate for the electrical cross-coupling effect within the component of the phased array antenna; and applying, by the one or more beamformers, the modified one or more beamforming weights to the one or more signals routed via the one or more signal paths.

A radio frequency antenna system is provided and can include a radio printed circuit board, a first antenna element located proximate an edge of the radio printed circuit board, a second antenna element located proximate the edge of the radio printed circuit board, and a cancelation circuit located on the radio printed circuit board and connected to feeding points of the first antenna and the second antenna, wherein the cancelation circuit can provide a cancelation effect at output ports of the cancelation circuit with respect to signals broadcast by the first antenna element and the second antenna element over air.

An electronic modulating device is provided. The electronic modulating device includes a substrate, a plurality of first modulating electrodes disposed on the substrate, and a plurality of second modulating electrodes disposed on the substrate. The area of one of the first modulating electrodes is greater than the area of one of the second modulating electrodes. The ratio of the number of first modulating electrodes to the number of second modulating electrodes is in a range from 0.5 to 2.0.

This application provides an antenna, including a folded antenna, a dipole antenna, and a coupling structure. An extension direction of a primary radiator of the folded antenna is a first direction, an extension direction of a primary radiator of the dipole antenna is a second direction, and the first direction is orthogonal to the second direction. In the second direction, the folded antenna is disposed at one end of the dipole antenna, an operating frequency of the folded antenna is a first frequency band, an operating frequency of the dipole antenna includes a second frequency band, and the first frequency band is higher than the second frequency band. The coupling structure is connected between the folded antenna and the dipole antenna.