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Title:
EXTENDED RADIO FREQUENCY PHASE STABILIZATION SYSTEM AND METHOD, AND ELECTRONIC DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/197574
Kind Code:
A1
Abstract:
Disclosed in the present application are an extended radio frequency phase stabilization system and method, and an electronic device and a storage medium. The extended radio frequency phase stabilization method is applied to a branch optical transmitter of a branch optical link, and comprises: acquiring a branch forward local oscillator signal and a branch reverse local oscillator signal in real time, wherein the branch forward local oscillator signal is a radio frequency signal modulated in an optical signal which is sent by a branch optical transmitter, the branch forward local oscillator signal is obtained according to an optical signal which is transmitted back and forth along a trunk optical fiber in a trunk optical link, and the branch reverse local oscillator signal is a radio frequency signal which is obtained by transmitting the optical signal back and forth in the branch optical fiber and then receiving and recovering same by means of the branch optical transmitter; acquiring the phase difference between the branch forward local oscillator signal and the branch reverse local oscillator signal; and on the basis of an optical fiber dispersion delay effect, feeding back and adjusting the wavelength of the branch forward local oscillator signal, and locking the phase difference, such that a branch optical receiver recovers the branch forward local oscillator signal according to the phase difference.

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Inventors:
ZHU XIAOGUANG (CN)
FAN CHEN (CN)
CHEN WENJUAN (CN)
LV KAILIN (CN)
ZONG BAIQING (CN)
Application Number:
PCT/CN2022/129085
Publication Date:
October 19, 2023
Filing Date:
November 01, 2022
Export Citation:
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Assignee:
ZTE CORP (CN)
International Classes:
H04B10/2507; H04B10/2575
Domestic Patent References:
WO2020026347A12020-02-06
Foreign References:
JP2014216804A2014-11-17
JP2012142841A2012-07-26
JP2013126021A2013-06-24
CN113692710A2021-11-23
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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