EFFECT FROM THE ACADEMIC YEAR 2013 - 2014

EC 472

GLOBAL POSITIONING SYSTEM

                                                                              (ELECTIVE –III)

Instruction                                                                                                                                                                                        4  Periods per week

Duration of University Examination                                                                                                                                                   3  Hours

University Examination                                                                                                                                                                     75 Marks

Sessional                                                                                                                                                                                         25 Marks

UNIT-I

GPS Fundamentals: GPS Constellation, Principle of operation, GPS Orbits, Orbits mechanics and satellite position determination, time references. Geometric dilution of precision : GDOP, VDOP, PDOP.

UNIT-II

Coordinate Systems: Geometry of ellipsoid, geodetic reference system. Geoids, Ellipsoid and Regional datum, WGS-84, IGS ECI, ECEF.

Various error sources in GPS: Satellite and Receiver clock errors, ephemeris error, atmospheric errors, the receiver measurement noise and UERE.

UNIT-III

GPS measurement: GPS signal structure, C/A and P-code and carrier phase measurement, position estimation with pseudo range measurement, Spoofing and anti Spoofing, GPS navigation, observation data formats.

UNIT-VI

GPS Augmentation systems: Principle of DGPS, Types of DGPS: LADPS, WADGPS.

Satellite Based Augmentation system (SBAS) : WAAS, GAGAN.

Ground Based Augmentation System (GBAS): LAAS.

UNIT-V

GPS Application: Surveying Mapping Marine, air and land Navigation, Military and Space Application. GPS Integration with GIS, INS, Pseudolite and Cellular.

New Satellite Navigation system; GLONASS, Galileo System.

Suggestion Reading:

1            Satheesh Gopi, “Global positioning system: Principles and Application", TMH, 2005.

2.          Pratap Misra and Per Enge, “Global Positioning System Signals, Measurement, and Performance,” Ganga- Jamuna Press, 2/e, Massachusetts, 2010.

3.          B.Hofmann-Wellenhof, H.Lichtenegger, and J.Collins, “GPS Theory and Practice,” Springer Verlog, 2008.

4.          Bradford W.Parkinson and James J. Spilker, “Global Positioning System: Theory and Application,” Vol.II, American Institution of Aeronautices and Astronautics Inc., Washington, 1996.