Development of a New Efficient Multipath Mitigation Algorithm for Precise GPS Position Applications

With the advent of satellite-based navigation technology such as Global Positioning System (GPS), the air transport system has seen a dramatic change particularly in the civil aviation sector. To meet the world-class standards of the navigational aids installed at various airports, a detailed invest...

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Bibliographic Details
Published inIUP journal of telecommunications Vol. 8; no. 3; p. 7
Main Authors Prasad, K V N M, Rao, G V Chalapathi
Format Journal Article
LanguageEnglish
Published Hyderabad IUP Publications 01.08.2016
Subjects
Accuracy
Aircraft
Airports
Algorithms
Aviation
Bias
Engineering schools
Signal processing
University colleges
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Summary:With the advent of satellite-based navigation technology such as Global Positioning System (GPS), the air transport system has seen a dramatic change particularly in the civil aviation sector. To meet the world-class standards of the navigational aids installed at various airports, a detailed investigation of the existing navigational aids and improvement possibilities is the need of the hour. However, the standalone GPS is not commensurate with the requirements of critical navigation guidance as mentioned in Category I (CAT I) Precision Approaches (PAs). Due to the tremendous increase in air traffic, enhancement of the performance of ground and space-based navigational system is essential. Flight accidents occur due to course variations in the navigational aids. Hence, there is a need to improve the accuracy and performance of navigational aids. The performance of GPS is affected by deviational generation points, and the predominant deviation generation point that limits the position accuracy next only to the ionospheric propagation deviation (7-100 m) is the multipath error. This paper presents a new receiver signal processing algorithm, i.e., Isolating Multipath Effects from the Position Estimate Residuals (IMEPER) in GPS receivers to estimate multipath error.
ISSN:0975-5551