Title:
BASE STATION ANTENNAS WITH EXTERNAL PIM SHIELDING STRUCTURES AND RELATED DEVICES
Document Type and Number:
WIPO Patent Application WO/2023/123342
Kind Code:
A1
Abstract:
Base station antennas include an external PIM shielding structure with a frequency selective surface and an array of low band radiating elements projecting forward of the FSS. A mMIMO antenna array resides behind the FSS and is configured to transmit signal through the FSS and out a front radome of the base station antenna.
Inventors:
ZHANG XUN (CN)
LI YUEMIN (CN)
LIU NENGBIN (CN)
BISIULES PETER J (US)
LIU YUTONG (CN)
LI YUEMIN (CN)
LIU NENGBIN (CN)
BISIULES PETER J (US)
LIU YUTONG (CN)
Application Number:
PCT/CN2021/143656
Publication Date:
July 06, 2023
Filing Date:
December 31, 2021
Export Citation:
Assignee:
COMMSCOPE TECH LL (US)
ZHANG XUN (CN)
ZHANG XUN (CN)
International Classes:
H01Q1/24; H01Q1/52; H01Q15/00
Domestic Patent References:
| WO2019236203A2 | 2019-12-12 | |||
| WO2020072880A1 | 2020-04-09 |
Foreign References:
| US20210305684A1 | 2021-09-30 | |||
| US17468783A | ||||
| USPP63236727P | ||||
| USPP63254446P | ||||
| US7907096B2 | 2011-03-15 | |||
| US201916375530A | 2019-04-04 | |||
| USPP63087451P | ||||
| USPP62993925P |
Other References:
BEN A. MUNK: "Frequency Selective Surfaces: Theory and Design", April 2000, JOHN WILEY & SONS, INC.
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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