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	RAIM Performance Enhancement for GNSS Receivers Aided by Low-Cost INS
	Tan, Siyuan ; Zhu, Bocheng
	2017
关键词	INTEGRATION ALGORITHM
英文摘要	Due to the development of Global Navigation Satellite Systems (GNSS), multiple satellites are available, this enables the receiver to choose consternation accordingly in order to enhance PVT performance. However, as GNSS signals are susceptible to signal jamming, spoofing, blockage vulnerabilities, performances of the receiver would be greatly affected. The Receiver Autonomous Integrity (RAIM) is a method necessary for receiver quality check. Classic RAIM relies on redundant measurements of available satellite to detect and exclude outliers, but performance would worsen if more than two outliers are present, as errors can easily spread. Inertial sensors based on micro-electromechanical system (MEMS) technology have become commercially available at low cost, their immunity to signal disturbances provide an alternative approach to enhance RAIM performance, though MEMS-based IMUS have complex sensor errors that are stochastic in nature. To improve the RAIM performance aided by low-cost INS, we have done the following: 1. Improve the inertial sensor error model using autoregressive processes method. 2. Apply adaptive filtering algorithm for data fusion and outlier detection and exclusion. Simulations results prove the efficacy of the proposed algorithm.; [JCKY2016110B004]; CPCI-S(ISTP); 274-283
语种	英语
出处	International Technical Meeting of The Institute-of-Navigation
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/469849]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Tan, Siyuan,Zhu, Bocheng. RAIM Performance Enhancement for GNSS Receivers Aided by Low-Cost INS. 2017-01-01.

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