Description     Claims     Drawing  

WO0250561A   [0004] 
US20020027949A   [0009] 

TUPM 12.4: Software Solution of GPS Baseband Processing   [0005] 
Tuning In to GPS - Real-Time Software Radio Architectures for GPS Receivers   [0006] 
Design and Test-Bed Implementation of a Reconfigurable Receiver for Navigation Applications   [0007]