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.

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.

A dual-polarized radiating element for abase station antenna includes a first dipole radiator that comprises a first dipole arm and a third dipole arm and a second dipole radiator that comprises a second dipole arm and a fourth dipole arm. The radiating element further includes a first inductor that is coupled between the first dipole arm and the second dipole arm.

Disclosed is a multiband antenna having a plurality of low band radiators, a plurality of mid band radiators, and a plurality of high band radiators. The high band radiators are disposed in a column between two adjacent low band radiators. Each of the low band radiators has a plurality of inward dipole arms and a plurality of outward dipole arms, wherein the inward dipole arms and the outward dipole arms have a different structure. The inward dipole arm structure is designed to minimize interference and shading with the high band radiators. Each of the mid band radiators has a parasitic disk with a plurality of cloaking slots.

Disclosed is a multiband antenna having a plurality of low band radiators, a plurality of mid band radiators, and a plurality of high band radiators. The high band radiators are disposed in a column between two adjacent low band radiators. Each of the low band radiators has a plurality of inward dipole arms and a plurality of outward dipole arms, wherein the inward dipole arms and the outward dipole arms have a different structure. The inward dipole arm structure is designed to minimize interference and shading with the high band radiators. Each of the mid band radiators has a parasitic disk with a plurality of cloaking slots.

A radiating element includes a radiator mounted on a feed stalk. The radiator includes a first dipole having first and second dipole arms and a second dipole having third and fourth dipole arms, where the first and second dipoles are in a cross-dipole arrangement. Each of the dipole arms includes a trunk conductive segment and a branch conductive segment, where one end of the branch conductive segment is connected to the trunk conductive segment and the other end is open. The branch conductive segment is configured such that a current induced by radiation in a preselected frequency range higher than an operating frequency range of the radiating element in a portion, to which the branch conductive segment is connected, of the trunk conductive segment of the dipole arm is opposite to a current induced in the branch conductive segment.

A support piece comprises: a first support section configured in the shape of a plate, and a plurality of second support sections; every second support section in the plurality of second support sections is set on the outside of the first support section and is bent relative to the first support section; every second support section comprises at least one support structure. At least a portion of the support structure of the at least one support structure is configured to support a first dipole arm, and at least a portion of the support structure of the at least one support structure is configured to support a second dipole arm; a second arm section on the outside of the first dipole arm is bent relative to the first arm section on the inside toward a first side of the first support section to support the dipole arm; a second arm section on the outside of the second dipole arm is bent relative to the first arm section on the inside toward a second side of the first support section opposite to the first side.

A support piece comprises: a first support section configured in the shape of a plate, and a plurality of second support sections; every second support section in the plurality of second support sections is set on the outside of the first support section and is bent relative to the first support section; every second support section comprises at least one support structure. At least a portion of the support structure of the at least one support structure is configured to support a first dipole arm, and at least a portion of the support structure of the at least one support structure is configured to support a second dipole arm; a second arm section on the outside of the first dipole arm is bent relative to the first arm section on the inside toward a first side of the first support section to support the dipole arm; a second arm section on the outside of the second dipole arm is bent relative to the first arm section on the inside toward a second side of the first support section opposite to the first side.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.