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Tutorial 2: Satellite Navigation Receiver Design: GPS and Beyond

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1 Author(s)
Dempster, Andrew ; University of New South Wales

Introduction to the GPS L1 signal: spectrum, modulation and data. How does CDMA work? What are the strengths and weaknesses of the selected satellite codes? - How a position can be calculated using GPS. A brief discussion of the least-squares solution. - Where errors in position come from. What are the six main sources of error and how can they be dealt with? - How a receiver processes the signal to make measurements. Breaks the receiver into subsystems: antenna, RF front end, digital baseband and processor. What activities happen where? - New GPS signals: L2C and L5 - how they differ from L1 and what advantages they bring. The new codes and data have been designed to achieve certain advantages over L1 - how good are they? - New Galileo signals: why are they better? Some elements of the Galileo design are quite radical - what is achieved for instance by the new MBOC modulation? - Challenges for future satellite navigation receiver design. What can be achieved with the new systems and signals?

Published in:

Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on

Date of Conference:

27-30 May 2007