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Galileo AltBOC E5 Signal Characteristics for Optimal Tracking Algorithms

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Abstrakty
EN
The paper deals with an optimal processing of a Galileo E5 signal. A proposed correlator struc-ture was developed on a base of a deep study of an E5 signal cross correlation function. Due to the non linear-ity of the E5 AltBOC modulation the proposed correlator calculates the cross correlation function between a received signal and a signal replica for all possible hypotheses of the navigation message bits. A correct peak tracking verification is realized by implementation of a single side band correlator, which also serves for course signal acquisition and secondary ranging code synchronization. The signal processing was verified on the Galileo Giove A and Giove B satellites with very positive preliminary results.
Twórcy
autor
  • Czech Technical University in Prague, Czech Republic
autor
  • Czech Technical University in Prague, Czech Republic
autor
  • Czech Technical University in Prague, Czech Republic
Bibliografia
  • [1] ESA 2008. Galileo Open Service, Signal In Space Interface Control Document, OS SIS ICD, Draft 1. European Space Agency / European GNSS Supervisory Authority.
  • [2] Kačmařík, P. & Kovář, P. & Vejražka, F. 2008. Galileo Alt BOC E5 signal characteristics for optimal tracking algorithms. [CD ROM]. NAV08/ILA08. London: RIN.
  • [3] Kaplan, D. 1996. Understanding GPS Principles and Applications. London: Artech House Inc.
  • [4] Kovář, P. & Seidl, L. & Špaček, J. & Vejražka, F. 2006. Software GNSS Receiver for Signal Experiments. In IAIN/GNSS 2006. 12-th IAIN World Congress. Proceedings, vol. 2. Jeju: Korean Institute of Navigation and Port Research: 391-394.
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Bibliografia
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