新GNSS信号的非线性多径缓解方法

2014 IEEE Fifth International Conference on Communications and Electronics (ICCE) Pub Date : 2014-10-07 DOI:10.1109/CCE.2014.6916687

Hung Pham Viet, Chien Dao Ngoc, Khang Nguyen Van

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引用次数: 6

摘要

多路径是全球导航系统(GNSS)精度下降的主要原因之一。本文提出了一种基于相关函数和非线性算法相结合的多径缓解方法。该方法可以应用于二进制偏置载波(BOC)调制信号，这是GNSS如现代化的全球定位系统(GPS)和伽利略所采用的。此外，GNSS接收机可以利用该方法在保持主峰尖锐度的同时，减小BOC(n,n)信号自相关函数中侧峰的功率。仿真结果验证了该方案在多径抑制中的良好性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A nonlinear method of multipath mitigation for new GNSS signals

Multipath is one of the major sources of accuracy degradation in Global Navigation System (GNSS). In this paper, a novel multipath mitigation method, which based on a combination of correlation functions and nonlinear algorithm, is proposed. This method could be applied to Binary Offset Carrier (BOC) modulated signals, which are adopted by both GNSS like the modernized Global Positioning System (GPS) and Galileo. Moreover, GNSS receivers could use this method in order to diminish the power of side peaks in autocorrelation function of BOC(n,n) signals while keeping the sharp of main peak. The good performance of the proposed scheme in multipath mitigation has been tested using simulation results.

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2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)

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