Inventor
SU XIAOFEI
CN8 patents
Patents
8 patentsUS11881906B2Jan 23, 2024
Apparatus and method for measuring nonlinear signal-to-noise ratio, and test instrument
FUJITSU LTD0 citations61
US10892962B2Jan 12, 2021
Inter-channel linear crosstalk estimation method and apparatus and receiver
FUJITSU LTD0 citations61
US11296797B2Apr 5, 2022
Method and apparatus for monitoring the change of state of polarization and a receiver
FUJITSU LTD0 citations60
US10742316B2Aug 11, 2020
Apparatus and method for monitoring change of polarization state resulted from optical link and optical receiver
FUJITSU LTD1 citations60
US11626928B2Apr 11, 2023
Performance estimation apparatus and method for nonlinear communication system and an electronic device
FUJITSU LTD1 citations57
US12451979B2Oct 21, 2025
Method, apparatus and system for measuring nonlinear correlation parameters of nonlinear device
FUJITSU LTD0 citations47
US10367635B2Jul 30, 2019
Signal transmission apparatus, carrier phase recovery apparatus and method
FUJITSU LTD0 citations40
US10734950B2Aug 4, 2020
Phase noise compensation apparatus and method and receiver
FUJITSU LTD0 citations39