Abstract
Navigation message provides receivers with important information about the satellite ephemeris, satellite work status and time systems. Correct navigation message enables receivers to achieve the rapid positioning, time service and other functions. The generation of navigation data is a key part of the GLONASS signal simulator.This paper studies the software part of GLONASS satellite signal simulator and describes the generating process of navigation message in detail. This paper studies the structure of GLONASS signal simulator, focusing on the design and calculation of important parameters of navigation message. After commercial receivers test the output signal from the satellite signal simulator, analysis results show that the navigation message is reasonable in this design method.
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