Journal of Radio Electronics. eISSN 1684-1719. 20026. ¹5

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Full text in Russian (pdf)

Russian page

 

 

DOI: https://doi.org/10.30898/1684-1719.2026.5.4

 

  

Temperature compensation method

for GNSS receiver and signal simulator

 

A.N. Vereshchagin 1, A.Yu. Taranenko 2

 

1 Siberian Federal University 660074, Krasnoyarsk, Kirensky St., 28

2 Research and Production Organization «YUST»,

660001, Krasnoyarsk, Lado Ketskhoveli St., 22a

 

The paper was received April 28, 2026.

 

Abstract. This article discusses a method for temperature correction of radio navigation parameters of receivers and signal simulators for global navigation satellite systems (GNSS). Temperature correction of radio navigation parameters is primarily achieved by introducing corrections to the code and phase pseudorange. The temperature dependences of these corrections are calculated during calibration in a thermal chamber. The device under test is installed in the thermal chamber and then heated or cooled to the required temperature. The device is then allowed to reach temperature equilibrium. The change in characteristics is then assessed. The process is then repeated for a different temperature value. A table of temperature dependences of the characteristics is then generated. A disadvantage of this method is the inability to evaluate the temperature dependences of individual elements. This is because the device is completely placed in the thermal chamber, and measurements are taken after the temperature transition has completed. In practice, the temperature distributions on the device elements during operation and during calibration in the thermal chamber may differ. This leads to temperature correction error. The error can be reduced by measuring the temperature dependences of the delays of individual elements that make the main contribution to the resulting error in the formation or measurement of radio navigation parameters. In the described method, the temperature dependences of individual elements are measured using local heating modules located near the temperature-sensitive elements. Heating the elements in various combinations with simultaneous recording of temperatures and radio navigation parameters allows for collecting data for constructing a system of algebraic equations for temperature dependences. Solving this system allows for obtaining independent correction factors. The paper presents the results of temperature compensation for one receiver and one simulator of global navigation satellite systems signals. The proposed method ensures higher accuracy in measuring (for the receiver) and generating (for the simulator) radio navigation parameters, as well as increasing the speed of adaptation to temperature changes, including under conditions of transient temperature processes on the internal components of the device.

Key words: GNSS, simulator, navigation receiver, accuracy enhancement, temperature compensation.

Financing: The study was carried out within the framework of the state assignment of the Siberian Federal University (number FSRZ-2026-0010).

Corresponding author: Vereshchagin Anton Nikolaevich, AVereshagin@sfu-kras.ru

 

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For citation:

Vereshchagin A.N., Taranenko A.Yu. Temperature compensation method for GNSS receiver and signal simulator // Journal of Radio Electronics. – 2026. – ¹. 5. https://doi.org/10.30898/1684-1719.2026.5.4 (In Russian)