Issued Patents All Time
Showing 1–25 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431912 | Mismatch error calibration method and apparatus of a time interleaving digital-to-analog converter | Ke Zhang | 2025-09-30 |
| 12328140 | Measurement apparatus and method for nonlinear damages in optical link | Yangyang Fan | 2025-06-10 |
| 12126395 | Method and apparatus for generating equivalent nonlinear noise | Ke Zhang | 2024-10-22 |
| 11901951 | Distorter coefficient updating apparatus, method and digital predistortion apparatus | Ke Zhang | 2024-02-13 |
| 11881906 | Apparatus and method for measuring nonlinear signal-to-noise ratio, and test instrument | Xiaofei SU, Ke Zhang, Tong Ye | 2024-01-23 |
| 11777613 | Polarization change tracking apparatus, processing apparatus for received signal and methods thereof | Jingnan Li, Yangyang Fan | 2023-10-03 |
| 11626928 | Performance estimation apparatus and method for nonlinear communication system and an electronic device | Xiaofei SU, Tong Ye, Chengwu YANG | 2023-04-11 |
| 11626930 | Polarization recovery apparatus and method thereof and optical receiver | Jingnan Li, Yangyang Fan | 2023-04-11 |
| 11563496 | Phase response measurement method and apparatus | Yangyang Fan | 2023-01-24 |
| 11463172 | Apparatus and method for monitoring polarization change | Jingnan Li, Yangyang Fan | 2022-10-04 |
| 11329724 | State of polarization tracking recovery method and apparatus | Yangyang Fan, Jingnan Li | 2022-05-10 |
| 11296797 | Method and apparatus for monitoring the change of state of polarization and a receiver | Xiaofei SU | 2022-04-05 |
| 11108464 | Apparatus and method for determining coefficients of fixed equalizer | Yangyang Fan | 2021-08-31 |
| 11070287 | Method and apparatus for establishing transmission impairment decomposition model for Raman amplified system and system | Jingnan Li, Yangyang Fan | 2021-07-20 |
| 11057106 | Method and apparatus for monitoring modulation depth of dither signal and optical transmitter | Jingnan Li, Yangyang Fan | 2021-07-06 |
| 10962714 | Apparatus and method for monitoring change of polarization state resulted from optical link and optical receiver | Yanhui Qi, Tong Ye | 2021-03-30 |
| 10917171 | Fiber nonlinear noise monitoring method and apparatus and optical receiver | Ke Zhang, Yangyang Fan | 2021-02-09 |
| 10903911 | Apparatus and method for estimating polarization skew | Yangyang Fan | 2021-01-26 |
| 10892962 | Inter-channel linear crosstalk estimation method and apparatus and receiver | Ke Zhang, Xiaofei SU, Yangyang Fan | 2021-01-12 |
| 10771230 | Estimating apparatus for bias drift of transmitting end modulator, compensating apparatus and receiver | Liang Dou | 2020-09-08 |
| 10739388 | Harmonic distortion separation method, nonlinear character determination method and apparatus and system | Hao Chen | 2020-08-11 |
| 10742316 | Apparatus and method for monitoring change of polarization state resulted from optical link and optical receiver | Tong Ye, Xiaofei SU | 2020-08-11 |
| 10734950 | Phase noise compensation apparatus and method and receiver | Xiaofei SU | 2020-08-04 |
| 10644791 | Impairment monitoring apparatus, impairment monitoring and compensating system and method | Junpeng Liang, Yangyang Fan | 2020-05-05 |
| 10630526 | Estimation apparatus for IQ imbalance of optical transmitter, compensation apparatus for IQ imbalance of optical transmitter and electronic equipment | Yangyang Fan | 2020-04-21 |