Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785553 | Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS | Kar W. Yung, David C. H. Cheng, Ming U. Chang, Frank A. Hagen | 2004-08-31 |
| 6763242 | Resource assignment system and method for determining the same | Ying Feria, Ming U. Chang, Frank A. Hagen, Alan Cha | 2004-07-13 |
| 6756937 | Stratospheric platforms based mobile communications architecture | Ming U. Chang, Ying Feria, Weizheng Wang, Alan Cha, Kar W. Yung +1 more | 2004-06-29 |
| 6757546 | Synchronization method and apparatus for multi-platform communication system | Frank A. Hagen, Kar W. Yung, Ying Feria | 2004-06-29 |
| 6751458 | Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions | Weizheng Wang, Ming U. Chang, Ying Feria, Alan Cha | 2004-06-15 |