Title :
Implementation of the GPS-C/A tracking loops in FPGA
Author :
Bac Nghia Vu ; Bojda, P.
Author_Institution :
Univ. of Defence, Brno, Czech Republic
Abstract :
This paper describes a hardware approach of one part of GPS receiver - the acquisition and tracking of GPS code and the frequency tracking. Method used for acquisition and tracking code is Fast Fourier Transform, which provides fast acquisition at first step. Costas loop is used for frequency tracking and demodulating GPS signal. The design is implemented in FPGA with support of mega-core functions.
Keywords :
Global Positioning System; codes; field programmable gate arrays; FPGA; GPS code acquisition; GPS code tracking; GPS receiver; GPS-C/A tracking loops; fast Fourier transform; frequency tracking; Binary phase shift keying; Correlation; Correlators; Delay; Generators; Global Positioning System; Tracking loops;
Conference_Titel :
Digital Avionics Systems Conference (DASC), 2012 IEEE/AIAA 31st
Conference_Location :
Williamsburg, VA
Print_ISBN :
978-1-4673-1699-6
DOI :
10.1109/DASC.2012.6382354