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Multirate recovery scheme for wide-band global navigation satellite system signals

机译:宽带全球导航卫星系统信号的多速率恢复方案

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摘要

In this study, a multirate approach is proposed for the recovery of wide-band global navigation satellite system (GNSS) signals. Two or more narrow-band front-ends are used in parallel for collecting different portions of the spectrum of a wide-band GNSS signal that is then reconstructed from its sub-band components. Algorithms for compensating for phase offsets and amplitude imbalances have been developed and used to equalise possible differences among the recovered narrow-band components. Specific focus is given to the case where two front-ends are employed and live GNSS data from the Galileo inorbit validation elements, GIOVE-A and GIOVE-B are used for demonstrating the effectiveness of the developed reconstruction algorithm.
机译:在这项研究中,提出了一种用于恢复宽带全球导航卫星系统(GNSS)信号的多速率方法。并行使用两个或多个窄带前端,以收集宽带GNSS信号频谱的不同部分,然后从其子带分量中重建它们。已经开发出用于补偿相位偏移和幅度不平衡的算法,并且该算法用于均衡所恢复的窄带分量之间的可能差异。在使用两个前端并将来自Galileo轨道验证元素GIOVE-A和GIOVE-B的实时GNSS数据用于证明开发的重建算法的有效性的情况下,将特别关注。

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  • 来源
    《Signal Processing, IET》 |2011年第3期|p.316-324|共9页
  • 作者单位

    Department of Geomatics Engineering, University of Calgary, 2500 University Dr NW Calgary, Alberta, Canada T2N 1N4;

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  • 正文语种 eng
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