Title:
FEED LINE FILTERING ANTENNA AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/168941
Kind Code:
A1
Abstract:
Disclosed are a feed line filtering antenna and a communication device. The antenna comprises a feed line structure and radiator structures, the feed line structure serves as a first-order resonator, the radiator structures are loaded on the feed line structure, and form a two-order filter together with the feed line structure as a last-order resonator, a band-pass filtering effect of the radiator structures is achieved by controlling the coupling between the first-order resonator and the last-order resonator; when a feed line filtering antenna having three or more orders is achieved, an additional resonator is coupled on a feed line filtering antenna having two orders. According to the present invention, in-band and out-of-band interference can be effectively filtered, the return loss and efficiency of the antenna are not greatly changed compared with those of a single antenna, and the horizontal radiation and gain requirement of the vehicle-mounted antenna can be ensured.
Inventors:
ZHANG XIUYIN (CN)
WU LINLING (CN)
XU HUILIANG (CN)
SU HUAFENG (CN)
WU LINLING (CN)
XU HUILIANG (CN)
SU HUAFENG (CN)
Application Number:
PCT/CN2022/125207
Publication Date:
September 14, 2023
Filing Date:
October 13, 2022
Export Citation:
Assignee:
UNIV SOUTH CHINA TECH (CN)
HUAWEI TECH CO LTD (CN)
HUAWEI TECH CO LTD (CN)
International Classes:
H01Q1/36; H01Q1/50; H01Q15/00
Foreign References:
| CN114336015A | 2022-04-12 | |||
| CN111934090A | 2020-11-13 | |||
| CN107394369A | 2017-11-24 | |||
| CN107302131A | 2017-10-27 | |||
| CN113690607A | 2021-11-23 | |||
| US20050261135A1 | 2005-11-24 | |||
| JP6767591B1 | 2020-10-14 |
Attorney, Agent or Firm:
HUAXUE IP AGENCY CO., LTD. (CN)
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