Patent ID: 11881634
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A method of operating an antenna apparatus comprising:
setting an observation ratio for a corresponding direction to be higher than an observation ratio for other directions according to the corresponding direction set based on appearance information of a drone;
controlling azimuth and elevation angles of a horizontal antenna and a vertical antenna of the antenna apparatus according to the set observation ratio;
selecting one of a manner of sequentially operating antennas and a manner of randomly operating antennas when there is no appearance information of a drone; and
controlling azimuth and elevation angles of a horizontal antenna and a vertical antenna of the antenna apparatus according to the selected manner,
wherein the antenna arrangement comprises a plurality of horizontal antennas and a vertically directional antenna positioned at a center of an area surrounded by the plurality of horizontal antennas.