Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7532158 | Wireless network assisted GPS system | Woo-jin CHOI | 2009-05-12 |
| 7215281 | Wireless network assisted GPS system | Woo-jin CHOI | 2007-05-08 |
| 6438380 | System for robust location of a mobile-transmitter | Qi Bi, Wen-Yi Kuo | 2002-08-20 |
| 6414634 | Detecting the geographical location of wireless units | — | 2002-07-02 |
| 6272350 | Method for improved line of sight signal detection using time/frequency analysis | — | 2001-08-07 |
| 6259894 | Method for improved line-of-sight signal detection using RF model parameters | — | 2001-07-10 |
| 6175811 | Method for frequency environment modeling and characterization | — | 2001-01-16 |
| 6044273 | Method and apparatus for designing a communication system by modeling spatial and temporal behavior of user mobility demand | — | 2000-03-28 |
| 5970414 | Method for estimating a mobile-telephone's location | Qi Bi, Wen-Yi Kuo | 1999-10-19 |