Abstract
Binary offset carrier (BOC) modulation has been widely adopted in modern global navigation satellite system (GNSS) not only for its characteristic of spectrum-split, but also for its high measuring precision and good multipath mitigation ability. BOC modulation brings the ambiguity problem due to its multiple peak auto-correlation function (ACF). Especially for high-order BOC modulated signal, the ambiguity problem is more serious as its ACF is more complicated. In the paper, an unambiguous acquisition technique with side-peak cancelation method is proposed for high-order BOC modulated signals. By constructing a new local auxiliary signal, and with the help of the traditional Bump-Jump technique, the risk of false lock has been completely removed. Performance analysis results show that the proposed technique has a significant performance improvement compared with the existing methods.
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Huang, X., Ke, Z., Li, J., Liu, Z., Ou, G. (2021). DPCCRW: An Unambiguous Acquisition Technique for High-Order Binary Offset Carrier Modulated Signal. 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_42
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DOI: https://doi.org/10.1007/978-981-16-3146-7_42
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