US 12,224,477 B2
Multiple-input multiple-output antenna apparatus and heat dissipation device therefor
Duk Yong Kim, Yongin-si (KR); Kyo Sung Ji, Hwaseong-si (KR); Chi Back Ryu, Hwaseong-si (KR); Kyu Chul Choi, Hwaseong-si (KR); Hye Yeon Kim, Hwaseong-si (KR); In Hwa Choi, Yongin-si (KR); Jae Ho Jang, Pohang-si (KR); Jae Hyun Park, Hwaseong-si (KR); Youn Jun Cho, Hwaseong-si (KR); and Jeong Hyun Choi, Hwaseong-si (KR)
Assigned to KMW INC., Hwaseong-si (KR)
Filed by KMW INC., Hwaseong-si (KR)
Filed on Dec. 5, 2022, as Appl. No. 18/075,408.
Application 18/075,408 is a continuation of application No. PCT/KR2021/006789, filed on Jun. 1, 2021.
Claims priority of application No. 10-2020-0069237 (KR), filed on Jun. 8, 2020.
Prior Publication US 2023/0099375 A1, Mar. 30, 2023
Int. Cl. H01Q 1/02 (2006.01); H01Q 1/24 (2006.01); H04B 7/0413 (2017.01)
CPC H01Q 1/02 (2013.01) [H01Q 1/246 (2013.01); H04B 7/0413 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A massive multiple-input multiple-output (MIMO) antenna apparatus, comprising:
a board having at least one board surface that holds a distributed arrangement of a plurality of heat-generating components, that has a width and a length, wherein the length is longer than the width, and that includes a first section having a first amount of heat generation and a second section having a second amount of heat generation greater than the first amount of heat generation, the first section and the second section being partitioned along a length direction of the board;
a first blowing unit disposed to overlap at least some of the first section and configured to cool at least some of heat generated from the first section, the first blowing unit comprising at least one or more first fans; and
a second blowing unit disposed to overlap at least some of the second section and configured to cool at least some of heat generated from the second section, the second blowing unit comprising at least one or more second fans,
wherein the second blowing unit is configured to discharge an airflow greater than an airflow that the first blowing unit is configured to discharge,
wherein the airflow discharged from the first blowing unit is caused to cool the first section while caused to remain unmixed with the airflow discharged from the second blowing unit, and
wherein the airflow discharged from the second blowing unit is caused to cool the second section while caused to remain unmixed with the airflow discharged from the first blowing unit.