Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549594 | Timing phase recovery method and apparatus | Xixian Chen, Song Zhang | 2003-04-15 |
| 6510186 | Signal time of arrival estimation method and system | Xixian Chen, Song Zhang | 2003-01-21 |
| 6493380 | System and method for estimating signal time of arrival | Song Zhang, Xixian Chen | 2002-12-10 |
| 6353744 | Method for positioning with low geometrical dilution of position (GDOP) | Song Zhang, Xixian Chen | 2002-03-05 |