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基于RSS的可见光室内定位系统 被引量:5

Visible Light Indoor Localization System Based on RSS
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摘要 针对全球定位系统(GPS)在室内定位的应用受到限制,设计并实现了一种基于RSS方式的可见光室内定位系统,包括LED发射节点电路、接收电路和位置解算显示终端。接收电路采用XC7A35TCPG236型号FPGA和STM32F405RGT7单片机对信号进行解调和处理。接收机电路复杂性低,易于实现。室内测试表明,当光源信噪比大于30 dB时,最大定位误差为15 cm,平均定位误差为5.8 cm,方差为2.68 cm^2,实验结果与数值仿真相符合。 The use of global positioning systems(GPS)is somewhat limited for indoor positioning applications.A visible light indoor localization system based on RSS was designed and implemented.The proposed system includes a LCD transmitter,a receiver,and a terminal device.The receiver used XC7A35TCPG236 model FPGA and STM32F405RGT7 to demodulate and process the signal.The receiver has low complexity and is easy to implement.When the signal to noise ratio(SNR)in the indoor experiments exceeded 30 dB,the maximum positioning error was 15 cm,the average positioning error was 5.8 cm,and the variance was 2.68 cm 2.The experimental results were consistent with the numerical simulation.
作者 孙豫斌 黄臻 高瑞祥 程晶晶 SUN Yu-bin;HUANG Zhen;GAO Rui-xiang;CHENG Jing-jing(College of Automation,Huazhong University of Science and Technology,Wuhan 430074,China;Wuhan Polytechnic University,Wuhan 430070,China)
出处 《仪表技术与传感器》 CSCD 北大核心 2018年第11期80-84,共5页 Instrument Technique and Sensor
关键词 可见光 室内定位系统 接收信号强度 多灯定位算法 发射机 接收机 visible light indoor localization system RSS multi-light positioning algorithm transmitter receiver
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