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Digital simulator of GPS signals

Keywords:

V.N. Kharisov – Dr. Sc. (Eng.), Professor, Director of Navigation and Communication Systems, OJSC «VNIIR-Progress» (Moscow). E-mail: vhar@list.ru A.I. Gavrilov – Research Scientist, Bauman Moscow State Technical University P.M. Golovin – Research Scientist, OJSC «VNIIR-Progress» (Moscow) P.V. Medvedev – Ph. D. (Eng.), Peter The Great Military Academy of Strategic Rocket Forces (Moscow) V.S. Pavlov – Leading Engineer, OJSC «VNIIR-Progress» (Moscow)


Building of satellite radio navigation system simulator is described. Basic equations for signal parameters calculation based on signal time concept are given. Particularities of digital data generation for GPS simulator are described. Verification results of GPS simulator software performed with software receiver are mentioned. Hardware GPS simulator prototype is described. Prototype’s structure of digital and analogue parts is given. Architectural benefits of suggested structure are listed. Results of comparison with Keysight N5172B simulator for GPS signals are mentioned.
References:

 

  1. Povaljaev A.A. Sputnikovye radionavigacionnye sistemy: vremja, pokazanija chasov, formirovanie izmerenijj i opredelenie otnositelnykh koordinat. M.: Radiotekhnika. 2008.
  2. GLONASS. Principy postroenija i funkcionirovanija / Pod red. A.I. Perova, V.N. KHarisova. Izd. 4‑e, pererab. i dop. M.: Radiotekhnika. 2010.
  3. Saastamoinen J. Atmospheric Correction for the Troposphere and Stratosphere in Radio Ranging of Satellite // Int. Symp. ontheUseofArtificialSatellite. Washington. 1971. P. 247−251.
  4. Interface Specification IS-GPS-200H. Navstar GPS Space Segment / User segment L1 and L2 interfaces.
  5. Borre K., Akos D., Bertelsen N., Rinder P., Jensen S. A Software-Defined GPS and GALILEO Receiver. ASingle-FrequencyApproach. BirkhauserBoston. 2007.

 

June 24, 2020
May 29, 2020

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