Title:
TOPOLOGICAL STRUCTURE OF QUADPLEXER
Document Type and Number:
WIPO Patent Application WO/2021/147632
Kind Code:
A1
Abstract:
The present invention provides a topological structure of a quadplexer, comprising a first topological structure and a second topological structure. The first topological structure comprises a first bridge, a second phase shift element, a third phase shift element, a first duplexer and a third duplexer; the second topological structure comprises a fourth bridge, a fifth phase shift element, a sixth phase shift element, a second duplexer and a fourth duplexer. By the adoption of the technical solution of the present invention, an isolation degree of a transmitting end and a receiving end is independent of an isolation degree of the duplexers and only depends on a phase unbalance degree of the bridges and the phase shift elements, so that the isolation degree and the power capacity can be improved at the same time, the isolation degree can be improved by about 20 dB, and the power capacity can be substantially doubled. The method is expected to be widely applied to a future 5G small base station system.
Inventors:
PANG WEI (CN)
XU LIJUN (CN)
XU LIJUN (CN)
Application Number:
PCT/CN2020/141262
Publication Date:
July 29, 2021
Filing Date:
December 30, 2020
Export Citation:
Assignee:
ROFS MICROSYSTEM TIANJIN CO LTD (CN)
International Classes:
H03H9/70; H01Q3/34
Foreign References:
| CN111181523A | 2020-05-19 | |||
| CN111313863A | 2020-06-19 | |||
| CN107871919A | 2018-04-03 | |||
| CN109755746A | 2019-05-14 | |||
| US20160209818A1 | 2016-07-21 |
Attorney, Agent or Firm:
CHINA SMART INTELLECTUAL PROPERTY LTD. (CN)
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