Circularly polarized array antenna for millimeter wave communications
AssigneeKyocera AVX Components (San Diego), Inc.
InventorsAbhishek Singh, Sebastian Rowson
Life of this patent
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Abstract
A circularly polarized array antenna is provided. The circularly polarized array antenna includes a ground plane and a plurality of circularly polarized antennas. Each of the circularly polarized antennas is configured to communicate over a frequency band ranging from 24 gigahertz (GHz) to 52 GHz. Each of the circularly polarized antennas includes a column substrate coupled to the ground plane. The column substrate includes a plurality of faces. Each of the circularly polarized antennas further includes a plurality of isolated magnetic dipole elements. Each of the isolated magnetic dipole elements is disposed on a different face of the column substrate.
Claims10
An array antenna comprising:
- a ground plane;
- a phase shifter circuit comprising a plurality of phase shifters, each of the plurality of phase shifters electrically coupled to a radio frequency (RF) source, the RF source configured to provide a RF signal to the phase shifter circuit;
- and a plurality of antennas arranged on the ground plane in a row-column configuration, each of the plurality of antennas configured to communicate over a frequency band ranging from 24 GHz to 52 GHz, each of the plurality of antennas comprising:
- a column substrate coupled to the ground plane, the column substrate having a plurality of faces, such that the phase shifter circuit configured to provide the RF signal to each of the plurality of faces and configured to adjust a phase angle associated with the RF signal, the phase angle of the RF signal provided to each of the plurality of faces of the column substrate are different;
- a plurality of antenna elements, each of the plurality of antenna elements disposed on a different face of the plurality of faces of the column substrate, wherein each of the plurality of antenna elements comprises:
- a bottom portion;
- a first vertical portion extending from the bottom portion;
- a second vertical portion extending from the bottom portion;
- a first horizontal portion extending from the first vertical portion;
- and a second horizontal portion extending from the second vertical portion;
- and one or more parasitic elements, each of the one or more parasitic elements disposed on a different face of the column substrate, each of the one or more parasitic elements electrically coupled to a corresponding antenna element.
Dependencies are inferred from the claim text.