基于TDOA算法的差分UWB室内定位系统研究Research on differential UWB indoor positioning system based on TDOA algorithm
陈小斯,沈重,周群,张鲲,郑理强
摘要(Abstract)：
超宽带UWB定位技术在受到电磁干扰、NLOS等情况影响时,实际定位环境变得复杂,造成实际定位精度不高、定位稳定性差。通过借鉴差分GPS技术,以TDOA-UWB室内定位技术为基础,提出差分UWB定位算法。同时结合权重滑动平均法,研究并提出基于TDOA算法的差分UWB室内定位系统,以Hainan EVK 2.0系统作为实验平台进行相关的测试实验。实验结果表明,基于TDOA算法的差分UWB室内定位系统能有效提高定位精度和定位稳定性,在受到外界干扰的情况下,定位误差整体降低23%。
关键词(KeyWords)： 超宽带定位;TDOA算法;差分GPS;差分UWB定位;权重滑动平均;室内定位系统
基金项目(Foundation): 国家自然科学基金项目(61461017);; 海南省重点研发计划项目(ZDYF2016002);; 海南省自然科学基金创新团队项目(2017CXTD0004);; 海南省研究生创新科研课题(Hyb2017-07)~~
作者(Author): 陈小斯,沈重,周群,张鲲,郑理强
DOI: 10.16652/j.issn.1004-373x.2018.06.011
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