Title:
MULTI-INPUT AND MULTI-OUTPUT ANTENNA APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/010646
Kind Code:
A1
Abstract:
The present invention relates to a multi-input and multi-output antenna apparatus, and in particular, the antenna apparatus provides an advantage of easy heat dissipation and calibration control by comprising: an antenna unit in which a transmission and reception substrate and an antenna substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction; a control unit in which a BB substrate and a PSU substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction, and which is provided so as to enable calibration control by using a connection between the antenna unit and a power supply or a control signal; and at least one connecting card which is provided so as to enable connection of the power supply or the control signal between the antenna unit and the control unit.
Inventors:
JI KYO SUNG (KR)
YOO CHANG WOO (KR)
KIM HYE YEON (KR)
YOO CHANG WOO (KR)
KIM HYE YEON (KR)
Application Number:
PCT/KR2020/008890
Publication Date:
January 21, 2021
Filing Date:
July 08, 2020
Export Citation:
Assignee:
KMW INC (KR)
International Classes:
H01Q1/42; H01Q1/38; H04B7/0452
Foreign References:
| KR101854309B1 | 2018-05-03 | |||
| KR20190068486A | 2019-06-18 | |||
| US20040203528A1 | 2004-10-14 | |||
| KR101571394B1 | 2015-11-25 | |||
| US7993968B2 | 2011-08-09 |
Other References:
See also references of EP 4002585A4
Attorney, Agent or Firm:
SUAN INTELLECTUAL PROPERTY (KR)
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