| 基于WiFi指纹库的室内定位研究进展和展望 |
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| 引用本文： | 赵龙,陶冶.基于WiFi指纹库的室内定位研究进展和展望[J].导航定位于授时,2018,5(3):6-13. |
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| 作者姓名： | 赵龙 陶冶 |
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| 作者单位： | 北京航空航天大学自动化科学与电气工程学院;北京航空航天大学数字导航中心 |
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| 基金项目： | 国家重点研发计划（2016YFB0502102）；国家自然基金（41274038, 41574024）；北京市自然科学基金（4162035）；中国航空基础科学基金（2016ZC51024） |
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| 摘 要： | 首先简要说明了室内定位技术中WiFi定位的优势;然后通过梳理WiFi指纹库的室内定位相关技术研究,简要阐述了WiFi信号的相关特性,并以实验作为佐证,重点介绍了信号传播模型、指纹库构建方法、指纹信号匹配准则和不同手机对WiFi信号敏感差异的标校等相关技术进展;最后,简要介绍了WiFi室内定位技术的未来发展趋势。
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| 关 键 词： | 室内定位 WiFi 定位技术 指纹库 |
Research Progress and Prospect of Indoor Positioning Based on WiFi Fingerprint Database |
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| ZHAO Long and TAO Ye.Research Progress and Prospect of Indoor Positioning Based on WiFi Fingerprint Database[J].Navigation Positioning & Timing,2018,5(3):6-13. |
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| Authors: | ZHAO Long and TAO Ye |
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| Institution: | School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China;Digital Navigation Center, Beihang University, Beijing 100191, China and School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China;Digital Navigation Center, Beihang University, Beijing 100191, China |
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| Abstract: | Firstly, the advantages of WiFi positioning in indoor positioning technology are briefly described. Then, by combing the research on indoor positioning related technologies of WiFi signals, the relevant characteristics of WiFi signals are briefly introduced, and the experiment is used as a proof. The signal propagation model, the method for construction fingerprint database, signal matching criteria for fingerprint database positioning, calibration of related mobile phone sensitivity for WiFi signal and other related technological advances are presented in detail. Finally, the future development trend of WiFi indoor positioning technology is briefly introduced. |
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| Keywords: | Indoor positioning WiFi Positioning method Fingerprint |
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