粗糙/采集GPS码的相关特性及对噪声的脆弱性

2007 8th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services Pub Date : 2007-11-05 DOI:10.1109/TELSKS.2007.4376070

G. Gavriloaia, S. Halunga, R. Narita

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引用次数: 8

摘要

考虑到GPS空间段的现状和空间段导航卫星数量的增加对GPS编码的额外分配的需求，本文研究了GPS编码的自(交叉)相关特性及其对噪声的脆弱性。本文介绍了GPS导航星中不使用的prn38 ~ prn45金码的模型、产生和特点。因此，分析了用10位线性反馈移位寄存器(LFSR)获得的最后8个可能的码的性质，并与先前使用的GPS C/ a码PRN 1至37进行了比较。

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Coarse/ Acquisition GPS Codes Correlation Properties and Vulnerability to Noise

The paper is dealing with auto (cross) correlation properties of global positioning system (GPS) codes and their vulnerability to noise, taking into account the current status of GPS space segment and the needs for additional allocation of GPS codes, as a consequence of increasing number of navigation satellites in space segment. This material describes the models, generation and the characteristics of the Gold codes from PRN 38 to PRN 45, that are not used in GPS Navstar. Therefore, the properties of these last 8 possible codes obtained with a 10-bit linear feedback shift registers (LFSR) were analyzed and a comparison with previously used GPS C/A codes PRN 1 to 37 was performed.

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2007 8th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services

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