US 11,881,634 B2
Antenna apparatus for identifying drone and operation method thereof
Kyu-Min Kang, Daejeon (KR); Jae Cheol Park, Daejeon (KR); Jinhyung Oh, Daejeon (KR); Dong Woo Lim, Daejeon (KR); Su Na Choi, Daejeon (KR); and Sunghyun Hwang, Daejeon (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on May 2, 2022, as Appl. No. 17/734,658.
Claims priority of application No. 10-2021-0058077 (KR), filed on May 4, 2021.
Prior Publication US 2022/0359983 A1, Nov. 10, 2022
Int. Cl. H04B 7/06 (2006.01); H01Q 3/36 (2006.01); H01Q 21/20 (2006.01); H01Q 3/26 (2006.01); H01Q 9/28 (2006.01)
CPC H01Q 3/36 (2013.01) [H01Q 3/26 (2013.01); H01Q 9/285 (2013.01); H01Q 21/20 (2013.01); H04B 7/0617 (2013.01); H04B 7/0691 (2013.01)] 11 Claims
OG exemplary drawing
1. An antenna apparatus for drone identification, comprising:
a plurality of horizontal directional antennas;
a vertical directional antenna positioned at a center of an area surrounded by the plurality of horizontal directional antennas;
a beamforming unit controlling beamforming of the vertical directional antenna and the plurality of horizontal antennas to transmit and receive signals in all directions;
an interface unit that is connected to a device for drone identification and provides a signal output from the beamforming unit through the horizontal antennas and the vertical antenna to the device, and provides a signal from the device to the beamforming unit; and
a power supply unit for suppling power.