Abstract
Existing dual-frequency constant envelope multiplexing (CEM) techniques, represented by alternate binary offset carrier (AltBOC) modulation, have strict constraint on component relative power distribution. Although it is desired to allocate more power to pilot channel to enhance measurement accuracy and tracking robustness, AltBOC is not able to meet this requirement. In this paper, a novel dual-frequency CEM technique is presented, in which with the total transmitted power fixed, different services in each sideband can have different power distribution, thus more power can be allocated on pilot channels to improve the tracking performance. The results are practical and provide a more internationally competitive solution for BeiDou navigation satellite system B2 signal.
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Acknowledgments
This work is supported by the National Science Foundation of China (NSFC), Grant 61201190.
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Yao, Z., Lu, M. (2013). ACED Multiplexing and Its Application on BeiDou B2 Band. In: Sun, J., Jiao, W., Wu, H., Shi, C. (eds) China Satellite Navigation Conference (CSNC) 2013 Proceedings. Lecture Notes in Electrical Engineering, vol 244. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37404-3_3
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DOI: https://doi.org/10.1007/978-3-642-37404-3_3
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