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电离层延迟估计下的AltBOC信号联合跟踪方法

DOI: 10.3969/j.issn.1006-7043.201311090

Keywords: Alt-Binary offset carrier, 电离层, 联合跟踪, 延迟估计, 抗多径, 多径误差包络

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Abstract:

针对电离层分离效应使Galileo系统E5 AltBOC信号上下2个边带码相位不同步的问题,提出了一种基于电离层延迟估计的AltBOC联合跟踪的方法.该方法根据双频电离层延迟差估计结果调整AltBOC信号上下2个边带信号的通道时延,使2个频点信号码相位同步.通过组合上下边带各自的伪随机码,实现AltBOC信号的双边带联合跟踪.理论分析得出该算法可以有效补偿由电离层导致的AltBOC信号上下边带信号码相位分离,仿真结果表明,该方法能够有效利用AltBOC信号尖锐的自相关函数,改善了信号接收的抗多径性能,尤其是在高信噪比下的抗多径性能.

References

[1]  SHIVARAMAIAH N, DEMPSTER A. A novel extended tracking range DLL for AltBOC signals[C]//2009 IEEE 70th Vehicular Technology Conference Fall (VTC 2009-Fall) . Anchorage, USA, 2009:1-5.
[2]  REN J, JIA W, CHEN H, et al. Unambiguous tracking method for alternative binary offset carrier[J]. IEEE Communications Letters, 2012, 16(11):1737-1740.
[3]  任嘉伟,贾维敏,陈辉华,等. AltBOC无模糊双重估计跟踪环路设计[J]. 华中科技大学学报:自然科学版,2013,41(7): 47-51.REN Jiawei, JIA Weimin, CHEN Huihua, et al. Unambiguous dual estimate tracking loops design for AltBOC [J]. Journal of Huazhong University of Science and Technology: Nature Science Edition, 2013, 41(7):47-51.
[4]  SHIVARAMAIAH N C, DEMPSTER A G. An analysis of Galileo E5 signal acquisition strategies[C]//ENC GNSS 2008. Toulouse, France, 2008:1-11.
[5]  CHEN Huihua, WANG Rong, JIA Weimin, et al. An unambiguous tracking method based on pseudo correlation function for AltBOC(15,10) signal[J]. Wireless Personal Communications, 2013, 69(4):1347-1364.
[6]  GAO G X, DATTA-BARUA S, WALTER T, et al. Ionosphere effects for wideband GNSS signal[C]// Proceedings of the 63rd Annual Meeting of the Institute of Navigation. Cambridge, UK, 2007:147-155.
[7]  JULIEN O, MACABIAU C, NATINOALE E. Ionospheric delay estimation strategies using Galileo E5 signals only[C]// 22nd International Meeting of the Satellite Division of ION. Savannah, GA, 2009:3128-3141.
[8]  LESTARQUIT L, ARTAUD G, ISSLER J. AltBOC for dummies or everything you always wanted to know about AltBOC [C]// ION GNSS 21st International Technical Meeting of the Satellite Division. Savannah, GA, 2008:961-970.
[9]  REBEYROL E, MACABIAU C, LESTARQUIT L, et al. BOC power spectrum densities [C]//ION NTM 2005. San Diego, CA, 2005:769-778.
[10]  MICHAL D P, KLOTZ H A, HOVEN R M. A systems approach to Ionospheric delay compensation[C]//Position, Location, and Navigation Symposium, IEEE/ION. San Diego, USA, 2006:275-282.
[11]  BETZ J W, KOLODZIJEJSKI K R. Generalized theory of code tracking with an early-late discriminator part II: non-coherent processing and numerical results[J]. IEEE Trans, Aerospace and Electronic System, 2009,45(4): 1551-1564.
[12]  FINE P, WILSON W. Tracking algorithm for GPS offset carrier signals[C]// Proceedings of U.S. Institute of Navigation NTM Conference. San Diego, CA, 1999: 671-676.

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