Title:
ANTENNA FILTER UNIT (AFU), RADIO UNIT (RU), AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/092567
Kind Code:
A1
Abstract:
The present disclosure is related to an AFU, an RU, and a communication device comprising the same. The AFU comprises: one or more antenna elements; a first digital phase shifter communicatively coupled to at least a first antenna element of the one or more antenna elements, and configured to shift a phase of a first signal that is to be transmitted by the first antenna element; and a first IM filtering module communicatively coupled between the first digital phase shifter and the first antenna element, and configured to filter out an IM component from the first signal and output the filtered first signal.
Inventors:
SONG JUANDI (CN)
LIU GUANGFENG (CN)
LIU GUANGFENG (CN)
Application Number:
PCT/CN2021/134060
Publication Date:
June 01, 2023
Filing Date:
November 29, 2021
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
SONG JUANDI (CN)
SONG JUANDI (CN)
International Classes:
H01P1/18; H01Q3/38; H03H7/21
Foreign References:
| CN112151964A | 2020-12-29 | |||
| CN1507163A | 2004-06-23 | |||
| US20210203061A1 | 2021-07-01 | |||
| CN111758181A | 2020-10-09 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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