REAL-TIME NAVIGATION USING THE GLOBAL POSITIONING SYSTEM

This paper presents the results of an investigation of the application of the Global Positioning System (GPS) to real-time integrated missil e navigation. We present quantifiable measures of navigation accuracy as a function of GPS user segment parameters. These user segment param eters include antenna phase response accuracy, single versus dual freq uency, and Kalman filter structure and size. We also formulate some ne w phase-locked loop (PLL) filter designs for application in GPS receiv ers, and demonstrate their superiority over more conventional filters.