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Stephen C. Ma Patents |
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Inventor: Ma; Stephen C.
Address: Mesa, AZ
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5619211 |
Position locating and communication system using multiple satellite constellations |
April 8, 1997 |
| A communication and position locating system (2) suitable for air traffic control is described. Multiple satellites (40) are provided in two geosynchronous constellations. One constellation (e.g., 4 satellites) has a first closed ground track (14). The other (e.g., 2 satellites (161, |
| 4998111 |
CPS transform correlation receiver and method |
March 5, 1991 |
| A method for rapid acquisition of multiple GPS signals builds upon fast Fourier transformation of input GPS signals to simultaneously track multiple satellites and derive psuedorange measurements that are suitable for navigation solution. The method utilizes 2M samples of the reference |
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