Title:
AUTOMATIC GAIN CONTROL METHOD, TERMINAL AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/238409
Kind Code:
A1
Abstract:
Disclosed are an automatic gain control method, a terminal and a storage medium. The automatic gain control method comprises: when frequency scanning or an initial cell search is carried out on the basis of the current gain corresponding to an AGC circuit, receiving a cyclic prefix of a synchronization signal; carrying out power detection on the cyclic prefix by using a saturation detection window generated by the AGC circuit, so as to obtain a time domain saturation parameter and a frequency domain saturation parameter; determining a saturation state according to the time domain saturation parameter, the frequency domain saturation parameter, and a length parameter of the cyclic prefix; and determining a target gain on the basis of the saturation state, and carrying out automatic gain control on the synchronization signal by means of the target gain.
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Inventors:
LIU JUN (CN)
Application Number:
PCT/CN2021/085249
Publication Date:
December 02, 2021
Filing Date:
April 02, 2021
Export Citation:
Assignee:
ZEKU TECH BEIJING CORP LTD (CN)
International Classes:
H04W52/52
Foreign References:
| CN111586829A | 2020-08-25 | |||
| CN102273164A | 2011-12-07 | |||
| US10230492B2 | 2019-03-12 |
Other References:
HUAWEI; HISILICON: "Design of initial downlink transmission for LBE-based LAA", 3GPP DRAFT; R1-150980, vol. RAN WG1, 17 March 2015 (2015-03-17), Paris, France, pages 1 - 6, XP050951346
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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