THE RECURSIVE ALGORITHMS FOR GDOP AND POSITIONING SOLUTION IN GPS
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AbstractThis paper proves theoretically that GDOP decreases as the number of satellites is increased.This paper proposes two recursive algorithms for calculating the GDOP and positioning solution.These algorithms not only can recursively calculate the GDOP and positioning solution, but also is very flexible in obtaining the best four-satellite positioning solution ,the best five-satellite positioning solution and the all visible satellite positioning solution according to given requirements. In the need of the two algorithms,this paper extends the definition of the GDOP to the case in which the number of visible satellites is less than 4.
SponsorsInternational Foundation for Telemetering