Yi Cai
33Patents
6h-index
31Co-inventors
65Inventor score
Filing activity: Feb 28, 2001 → Jan 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7398454B2 | System and method for forward error correction decoding using soft information | Electricity | 46 | Expired |
| US7016606B2 | Error mitigation system using line coding for optical WDM communications | Electricity | 38 | Expired |
| US7424651B2 | Method and apparatus for decision threshold control in an optical signal receiver | Electricity | 14 | Expired |
| US8295713B2 | Dual stage carrier phase estimation in a coherent optical signal receiver | Electricity | 12 | Active |
| US10090962B2 | In-band signaling for reconfiguring software defined optics | Electricity | 7 | Active |
| US8401402B2 | Detection of data in signals with data pattern dependent signal distortion | Electricity | 6 | Active |
| US7130030B2 | System and method for rapidly achieving optimum dispersion in optical transmission systems | Electricity | 6 | Expired |
| US8948612B2 | System and method for generating soft decision reliability information from hard decisions in an optical signal receiver | Electricity | 6 | Active |
| US8306418B2 | Data pattern dependent distortion compensation in a coherent optical signal receiver | Electricity | 5 | Active |
| US8401400B2 | Detection of data in signals with data pattern dependent signal distortion | Electricity | 4 | Active |
| US8340530B2 | Local oscillator frequency offset compensation in a coherent optical signal receiver | Electricity | 4 | Active |
| US7363553B2 | System and method for adjusting soft decision thresholds in a soft-decision error correction system | Electricity | 4 | Expired |
| US10135543B2 | Clock recovery method, device and system and computer storage medium | Electricity | 3 | Active |
| US9209900B2 | Method and apparatus for digital polarization scrambling in coherent optical communication systems employing both transmit and receive digital signal processing | Electricity | 3 | Active |
| US9329929B2 | Soft maximum likelihood sequence estimation in digital communication | Electricity | 3 | Active |
| US8958515B2 | SerDes jitter tolerance BIST in production loopback testing with enhanced spread spectrum clock generation circuit | Electricity | 2 | Active |
| US8805204B2 | Generating higher-level quadrature amplitude modulation (QAM) using a delay line interferometer and systems and methods incorporating same | Electricity | 2 | Active |
| US8437644B2 | Vestigial phase shift keying modulation and systems and methods incorporating same | Electricity | 2 | Active |
| US8483574B2 | Correlation-control QPSK transmitter | Electricity | 2 | Active |
| US11070313B2 | Staircase code decoding method and staircase code decoding apparatus | Electricity | 2 | Active |
| US9755763B2 | Adaptive post digital filter and inter-symbol interference equalizer for optical communication | Electricity | 1 | Active |
| US9912414B2 | Iterative post-equalization for coherent optical receivers | Electricity | 1 | Active |
| US10027348B2 | Turbo product coded modulation | Electricity | 1 | Active |
| US8543882B2 | Joint carrier phase estimation and forward error correction | Electricity | 1 | Active |
| US10212010B2 | Unequally spaced pulse amplitude modulation scheme | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.