Computer Science – Other Computer Science
Scientific paper
2010-06-04
Journal of Telecommunications,Volume 2, Issue 2, pp91-98, May 2010
Computer Science
Other Computer Science
Submitted to Journal of Telecommunications, see http://sites.google.com/site/journaloftelecommunications/volume-2-issue-2-may-
Scientific paper
Increasing GPS precision at low cost has always been a challenge for the manufacturers of the GPS receivers. This paper proposes the use of a Wiener filter for increasing precision in substitution of traditional GPS/INS fusion systems, which require expensive inertial systems. In this paper, we first implement and compare three GPS signal processing schemes: a Kalman filter, a neural network and a Wiener filter and compare them in terms of precision and the processing time. To further reduce the processing time of Wiener filter, we propose parallel and reduced-length implementations. Finally, we calculate the sampling frequency that would be required in every Wiener scheme in order to obtain the same total processing time as the Kalman filter and the neural network.
Garcia Javier
Zhou Chenggang
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