Base station antennas including radiating elements having tilted dipoles

A base station antenna, including:

• a reflector;
• and
• a plurality of radiating elements, each of which is mounted forwardly on a front surface of the reflector and has a support stalk and at least one dipole mounted to the support stalk, wherein the plurality of radiating elements include:
• a plurality of first radiating elements that are configured to operate in a first operating frequency band and arranged in one or more first columns extending along a first direction;
• and
• a plurality of second radiating elements that are configured to operate in a second operating frequency band different from the first operating frequency band and arranged in one or more second columns extending along the first direction,
• wherein the at least one dipole of a first of the second radiating elements in at least one of second columns of the one or more second columns is tilted around the first direction,
• wherein the support stalk of the first of the second radiating elements has an inclined top surface, and the at least one dipole of the first of the second radiating elements is mounted to the inclined top surface of the support stalk.

A base station antenna, including:

• a reflector;
• and
• a plurality of radiating elements, each of which is mounted forwardly on a front surface of the reflector and has a support stalk and at least one dipole mounted to the support stalk, wherein the plurality of radiating elements include:
• a plurality of first radiating elements that are configured to operate in a first operating frequency band and arranged in one or more first columns extending along a first direction;
• and
• a plurality of second radiating elements that are configured to operate in a second operating frequency band different from the first operating frequency band and arranged in one or more second columns extending along the first direction,
• wherein the at least one dipole of a first of the second radiating elements in at least one of second columns of the one or more second columns is tilted around the first direction,
• wherein the first of the second radiating elements further comprises an inclining element, which is configured such that the at least one dipole of the first of the second radiating elements is tilted around the first direction, and
• wherein the inclining element comprises a sloped element provided at a top surface or a bottom surface of the support stalk of the first of the second radiating elements, and the first of the second radiating elements is mounted forwardly on the front surface of the reflector via the sloped element.

A base station antenna, including comprising:

• a reflector;
• and
• a plurality of radiating elements, each of which extends forwardly from a front surface of the reflector and has a support stalk and a pair of dipoles mounted to the support stalk, wherein the plurality of radiating elements include:
• a plurality of low-band radiating elements that are configured to operate in a low-frequency band and arranged in one or more first columns extending along a first direction;
• and
• a plurality of high-band radiating elements that are configured to operate in a high-frequency band higher than the low-frequency band, and arranged in one or more second columns extending along the first direction,
• wherein the reflector has a flat surface and all of the radiating elements in the plurality of radiating elements are mounted to extend forwardly from the flat surface, and
• wherein the dipoles of the high-band radiating elements in at least one second column of the one or more second columns are oblique to the flat surface.