GPS APPLICATIONS

Syllabus :

UNIT-1:Development of NAVSTAR GPS. GPS Satellite configuration- Space segment, Control segment, User segment. 

UNIT-2:GPS working principle, basic equations for finding user position, user position determination with least squares estimator. 

UNIT-3:Other Global Satellite Constellations, GLONASS, GALILEO, Comparison of 3 GNSS (GPS, GALILEO, GLONASS) interms of constellation and services provided. 

UNIT-4:GPS Signal generation, Pseudorandom noise (PRN) code, C/A code , P code, Navigation data, Signal structure of GPS, signal power. 

UNIT-5:Coordinate Systems: Geoid, Ellipsoid, Coordinate Systems, Geodetic and Geo centric coordinate systems, ECEF coordinates, world geodetic 1984 system, Conversion between Cartesian and geodetic coordinate frame. UNIT-6:GPS Error sources, ionospheric effects on GPS signals and its mitigation methods. 

UNIT-7:Satellite based augmentation system-need for GPS augmentation, GPS Aided GEO Augmented System (GAGAN). 

Textbook: 

1. G S RAO, Global Navigation Satellite Systems, McGraw-Hill Publications, New Delhi, 2010 2. Pratap Mishra, Global positioning system: signals, measurements, and performance, Ganga-Jamuna Press, 2006. 

Reference Books: 

1. Scott Gleason and Demoz Gebre-Egziabher, GNSS Applications and Methods, Artech House, 685 Canton Street, Norwood, MA 02062, 2009. 

2. James Ba – Yen Tsui, ‗Fundamentals of GPS receivers – A software approach‘, John Wiley & Sons (2001). 

3. B.Hoffmann-Wellenhof, GPS theory and practice, 5th Edition, Springer 2001.