Patent ID: 11901633
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. An array antenna, comprising a plurality of antennas, wherein each antenna of the plurality of antennas respectively comprises:
a first radiating element; and
a second radiating element,
wherein:
the first radiating element comprises four dipoles enclosing the second radiating element in a plan view, and
the second radiating element is disposed on an inner side of the first radiating element; and

wherein, for each antenna of the plurality of antennas:
the first radiating element of the respective antenna is configured to support a transmit frequency band, and the second radiating element of the respective antenna is configured to support a receive frequency band, or
the first radiating element of the respective antenna is configured to support the receive frequency band, and the second radiating element of the respective antenna is configured to support the transmit frequency band; and

a third radiating element, wherein each third radiating element is disposed on an outer side of the respective corresponding first radiating element,
wherein:
each first radiating element is configured to support a first transmit frequency band and a second transmit frequency band,
each second radiating element and each third radiating element are configured to support either of a first receive frequency band or a second receive frequency band, and
the second radiating elements and the third radiating elements support different frequency bands.