Title:
DIELECTRIC PHASE SHIFTING UNIT, DIELECTRIC PHASE SHIFTER AND BASE STATION ANTENNA
Document Type and Number:
WIPO Patent Application WO/2018/094983
Kind Code:
A1
Abstract:
The present invention relates to the technical field of communications, specifically to relevant techniques on impedance matching in communications technologies, and in particular to a dielectric phase shifting unit, a dielectric phase shifter, and a base-station antenna. The dielectric phase shifting unit comprises a feeding network, and a dielectric board which is used for impedance matching and which is capable of moving along a preset trajectory; an impedance matching part on the dielectric board is disposed on an end of the dielectric board that is closer to an input port of the feeding network. Therefore, the present invention may reduce the number of times impedance matching is carried out and reduce network loss, thereby reducing the equivalent electrical length of an entire network, effectively saving costs, reducing the complexity of disassembling and assembling relevant components, and improving disassembling and assembling efficiency; moreover, the present invention may also facilitate the installation of as many dielectric phase shifting units as possible in the limited space within a chamber, while ensuring that an arithmetic phase relationship is provided between various output ports, thereby improving the various performance aspects of dielectric phase shifters and electric modulation base station antennae.
Inventors:
CHEN LITAO (CN)
GAO BIN (CN)
LIU PEITAO (CN)
SU GUOSHENG (CN)
GAO BIN (CN)
LIU PEITAO (CN)
SU GUOSHENG (CN)
Application Number:
PCT/CN2017/085005
Publication Date:
May 31, 2018
Filing Date:
May 19, 2017
Export Citation:
Assignee:
COMBA TELECOM TECH GUANGZHOU (CN)
COMBA TELECOM SYSTEMS CHINA LTD (CN)
TIANJIN COMBA TELECOM SYSTEMS LTD (CN)
COMBA TELECOM SYSTEMS CHINA LTD (CN)
TIANJIN COMBA TELECOM SYSTEMS LTD (CN)
International Classes:
H01Q3/32
Foreign References:
| CN105720329A | 2016-06-29 | |||
| CN106129544A | 2016-11-16 | |||
| CN105244568A | 2016-01-13 | |||
| US5905462A | 1999-05-18 | |||
| CN1669175A | 2005-09-14 | |||
| CN104681896A | 2015-06-03 | |||
| CN106450763A | 2017-02-22 |
Other References:
See also references of EP 3547446A4
Attorney, Agent or Firm:
LIFANG & PARTNERS (CN)
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