Title:
PHASE SHIFTER, ARRAY ANTENNA, AND BASE STATION
Document Type and Number:
WIPO Patent Application WO/2020/228688
Kind Code:
A1
Abstract:
Provided in the embodiments of the present application are a phase shifter, an array antenna, and a base station. In the phase shifter, an output end of a first frequency band phase-shift filtering network is connected to an end of a first signal output strip line of a signal output network; an output end of a second frequency band phase-shift filtering network is connected to an end of a second signal output strip line of the signal output network; the other end of the first signal output strip line is connected to the other end of the second signal output strip line, and then the other end of the first signal output strip line is connected to an end of a third signal output strip line; and the other end of the third signal output strip line is a signal output end of the phase shifter, and the function of a combiner is realized by means of combining output signals of the two filtering networks into one signal, and outputting same. In addition, loss of the combiner can be reduced by means of arranging the first frequency band phase-shift filtering network in a first sub-cavity, and arranging the second frequency band phase-shift filtering network in a second sub-cavity, that is, arranging the two filtering networks in a cavity, thus reducing loss of a feed network.
Inventors:
WEI XIAODONG (CN)
CAI DANTAO (CN)
JIN LI (CN)
XIAO WEIHONG (CN)
CAI DANTAO (CN)
JIN LI (CN)
XIAO WEIHONG (CN)
Application Number:
PCT/CN2020/089720
Publication Date:
November 19, 2020
Filing Date:
May 12, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01Q3/34; H01P1/18; H01Q1/24; H01Q21/00
Foreign References:
| CN210430115U | 2020-04-28 | |||
| CN108023147A | 2018-05-11 | |||
| CN108232379A | 2018-06-29 | |||
| CN107968239A | 2018-04-27 | |||
| CN103956577A | 2014-07-30 | |||
| CN106654494A | 2017-05-10 | |||
| CN107710499A | 2018-02-16 | |||
| US20130287144A1 | 2013-10-31 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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