The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 2022
Filed:
Jun. 09, 2021
Huawei Technologies Co., Ltd., Shenzhen, CN;
Haibo Li, Shanghai, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A filtering method and apparatus are provided, and the method includes: performing spectrum shifting on a first signal to obtain a second signal, where the first signal includes a first valid signal band and a first to-be-suppressed signal band, a demarcation point of the first valid signal band and the first to-be-suppressed signal band in the first signal is a first boundary point, the first boundary point corresponds to a second boundary point in the second signal, a frequency of the second boundary point is equal to a frequency of a first side frequency point of the filter, and a frequency range corresponding to the first valid signal band in the second signal falls within a frequency range corresponding to a passband of the filter (S); and filtering the second signal by using the filter, to obtain the first valid signal band (S).