基于VLC的室内定位技术研究

doi:10.11959/j.issn.1000-0801.2019031

Abstract

Abstract:

VLC is a green communication technology that realizes communication while using white LED solid-state light source for illumination.Through the research on visible light communication technology,combined with the positioning accuracy improvement algorithm,a low-cost,low-power,high-precision,illumination-enabled visible light positioning solution was proposed.System scheme and channel model,signal receiving and processing technology,high precision positioning algorithm,image assisted technology were analyzed.

Key words: visible light communication, indoor positioning, location algorithm

CLC Number:

TN929

Daming ZHAO,Xin WANG. Research on indoor positioning algorithm based on visible light communication[J]. Telecommunications Science, 2019, 35(3): 122-126.

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References 8

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技术方式	频率	是否限制发射功率	是否需要基站	定位精度	技术特点
RFID	2.4 GHz	是	是	>1 m，通过辅助定位器实现	RFID为私有通信协议，定制性强、安全性高，属于ISM开放频段，专用于物联网
ZigBee	2.4 GHz	是	是	>1 m，通过辅助定位器实现	国外标准协议，成熟、兼容性强，但由于公有协议存在漏洞，容易被破解
UWB	6.24～6.74 GHz	是	是	>10 cm	精度高，频段需要无线电委员会批准，干扰少，标签电池续航时间短
VLC		否	否	>10 cm	无电磁辐射，信号光源发射功率高，无需申请无线电频谱，安全性高

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Research on indoor positioning algorithm based on visible light communication

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