Qinfang Sun
40Patents
9h-index
34Co-inventors
75Inventor score
Filing activity: Oct 1, 2002 → Apr 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7616698B2 | Multiple-input multiple output system and method | Electricity | 71 | Active |
| US7418042B2 | Repetition coding for a wireless system | Electricity | 38 | Expired |
| US7039004B2 | Decision feedback channel estimation and pilot tracking for OFDM systems | Electricity | 38 | Expired |
| US8018379B1 | Automatic gain control in system simultaneously receiving GPS and GLONASS signals | Physics | 20 | Active |
| US8335283B1 | Weak signal detection in wireless communication systems | Electricity | 15 | Active |
| US7623467B1 | Wireless channel estimation | Electricity | 14 | Active |
| US8144683B1 | High throughput fine timing | Electricity | 12 | Active |
| US8538682B1 | Systems and methods for satellite navigation using locally generated ephemeris data | Physics | 10 | Active |
| US7826521B1 | Rate adaptation using error vector magnitude | Electricity | 10 | Active |
| US8405546B1 | Engines in system simultaneously receiving GPS and GLONASS signals | Physics | 8 | Active |
| US7800531B2 | High precision positioning system | Physics | 8 | Active |
| US8018378B2 | Satellite navigation receiver having a configurable acquisition engine | Physics | 8 | Active |
| US8824606B2 | Multiple correlators for communication device detection | Electricity | 7 | Active |
| US8755472B2 | High sensitivity GPS receiver | Physics | 7 | Active |
| US8059734B1 | MIMO equalization for wireless communication systems | Electricity | 5 | Active |
| US8587477B2 | Analog front end for system simultaneously receiving GPS and GLONASS signals | Physics | 5 | Active |
| US8410979B2 | Digital front end in system simultaneously receiving GPS and GLONASS signals | Physics | 4 | Active |
| US8270457B2 | High sensitivity GPS receiver | Physics | 4 | Active |
| US7705778B2 | Satellite navigation receiver having configurable acquisition and tracking engines | Physics | 4 | Active |
| US9065686B2 | Spur detection, cancellation and tracking in a wireless signal receiver | Electricity | 4 | Active |
| US8989294B2 | Multiple-input multiple-output system and method | Electricity | 3 | Active |
| US8073072B2 | Multiple-input multiple-output system and method | Electricity | 3 | Active |
| US8207890B2 | Providing ephemeris data and clock corrections to a satellite navigation system receiver | Physics | 3 | Active |
| US8884818B1 | Calibration and blanking in system simultaneously receiving GPS and GLONASS signals | Physics | 2 | Active |
| US8754809B2 | High sensitivity GLONASS/GPS automatic frequency control | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.