Abstract
RF signal of traditional real road test system for BDS user terminal is usually unrepeatable while the system is complex and expensive. In this paper, an economic and signal-replicable BDS user terminal test system, constructed with RF signal record and playback apparatus, is described and tested. Compared with commercial satellite navigation signal simulators, experiment results show that the RF signal provided by record and playback apparatus has a maximum carrier-to-noise ratio attenuation of 0.8 dB, which is similar to that of signal simulators. However, the latter device is able to provide much more critical and useful live noises of the ambient. In addition, to characterize the test system, two kinds of test scenario (suburban road and city canyon) are proposed, and experimental data demonstrate a high positioning accuracy (<17.04 m) and usability (>87 %) performance of BDS user terminals under replayed signals.
National Natural Science Foundation (41474027).
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References
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© 2016 Springer Science+Business Media Singapore
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Xian, D., Fan, P., Wu, H., Wang, Q. (2016). Test System for BDS User Terminal Based on RF Replay Apparatus. In: Sun, J., Liu, J., Fan, S., Wang, F. (eds) China Satellite Navigation Conference (CSNC) 2016 Proceedings: Volume I. Lecture Notes in Electrical Engineering, vol 388. Springer, Singapore. https://doi.org/10.1007/978-981-10-0934-1_36
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DOI: https://doi.org/10.1007/978-981-10-0934-1_36
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