Title:
ACTIVE ANTENNA UNITS FOR BASE STATION ANTENNAS
Document Type and Number:
WIPO Patent Application WO/2023/147696
Kind Code:
A1
Abstract:
Active antenna units for base station antennas are provided that include a radio housing, a radio cover, radiating elements that extend forward of feedboards and a plurality of cavity filter units. The radio cover has spaced apart apertures aligned with one or more cavity filter units. The cavity filter units can have die cast metal bodies or non-metallic bodies with one or metallized surfaces and can be electrically coupled to a radio cover and/or a metallized surfaces of a non-metallic substrate to define a ground plane without requiring a separate reflector.
Inventors:
HE FAN (CN)
LYU FUSHENG (CN)
ZHANG ZHANMING (CN)
TANG CHENGCHENG (US)
LYU FUSHENG (CN)
ZHANG ZHANMING (CN)
TANG CHENGCHENG (US)
Application Number:
PCT/CN2022/075347
Publication Date:
August 10, 2023
Filing Date:
February 07, 2022
Export Citation:
Assignee:
COMMSCOPE TECHNOLOGIES LLC (US)
WU LIGANG (CN)
WU LIGANG (CN)
International Classes:
H01Q1/24; H01P1/207; H01Q21/26; H01Q1/02
Domestic Patent References:
| WO2019236203A2 | 2019-12-12 | |||
| WO2020072880A1 | 2020-04-09 |
Foreign References:
| US20210305683A1 | 2021-09-30 | |||
| CN210015951U | 2020-02-04 | |||
| US20190268046A1 | 2019-08-29 | |||
| US202117209562A | 2021-03-23 | |||
| US20210023617W | 2021-03-23 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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