Abstract
In GNSS, the pseudo-range deviation of the receiver reduces the positioning and timing accuracy of the user, which significantly affects the service performance of the system. In this paper, the pseudo-range deviation introduced by baseband digital signal processing has been studied. This error is related to the satellite and the receiver, and it is difficult to eliminate it even with differential technology. A digital code phase pseudo-range deviation signal model is established, and it is proposed that the deviation can be decomposed into resolution error and zero-bias error. Combining the characteristics of the error, the applicability error evaluation method is proposed, and the theoretical evaluation result is given. The simulation results show that the error model and evaluation method proposed in the article have the applicability of bandwidth limited effect and Doppler effect, which is helpful to guide the parameter design of satellite navigation receiver.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China under grant No. U20A0193 and 62003354.
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Ma, C., Tang, X., Ma, P., Li, S., Sun, G. (2021). Modeling and Evaluation of Pseudorange Deviation of Satellite Navigation Digital Receiver. In: Yang, C., Xie, J. (eds) China Satellite Navigation Conference (CSNC 2021) Proceedings. Lecture Notes in Electrical Engineering, vol 774. Springer, Singapore. https://doi.org/10.1007/978-981-16-3146-7_34
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DOI: https://doi.org/10.1007/978-981-16-3146-7_34
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