A Method of Simplifying Residual Test Algorithm

Zengyou Xu, Jianping Xing, L. Jiao, Y. Zhang
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引用次数: 1

Abstract

The non-line-of-sight (NLOS) transmission of signal enlarges location error greatly.To reduce the influence of NLOS,people proposed several algorithms,among which Residual Test (RT) is an efficient one.However,the algorithm complexity of RT is high,which makes it hard to be used in practical.In this paper,we propose an algorithm Simplified Residual Test (SRT) to reduce RT’s algorithm complexity.The SRT works on the principle that the NLOS errors are always positive,and the more NLOS signals in all received, the bigger the location error. The SRT has a restriction that there must be more than four line-of-sight (LOS) signals in all received.
残差检验算法的一种简化方法
信号的非视距传输极大地增大了定位误差。为了减少NLOS的影响,人们提出了几种算法,其中残差检验(RT)是一种有效的算法。然而,RT算法的复杂度较高,难以在实际中应用。本文提出了一种简化残差检验(SRT)算法来降低RT算法的复杂度。SRT的工作原理是NLOS误差总是正的,并且接收到的NLOS信号越多,定位误差就越大。SRT有一个限制,即所有接收到的视距(LOS)信号必须超过4个。
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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