| 基于RSSI的煤矿井下定位技术 |
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| 引用本文： | 孔亮,李玉良,张传锴,刘井元.基于RSSI的煤矿井下定位技术[J].煤矿安全,2012,43(1):48-50. |
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| 作者姓名： | 孔亮 李玉良 张传锴 刘井元 |
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| 作者单位： | 中国矿业大学信息与电气工程学院,江苏徐州,221000 |
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| 摘 要： | 研究了基于无线局域网架构的无线信号强度煤矿井下定位技术。首先分析了无线信号在地面和煤矿井下传输信道模型的差异,然后介绍了经验与估计数据库相结合的信号地图构建方法,最后引入了加权定位算法,实验结果证明此种方法可以有效改善定位精度,以便更好地满足煤矿生产需求。
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| 关 键 词： | 无线局域网 信号强度 定位技术 加权算法 |
Positioning Technology Based on RSSI in Coal Mine |
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| KONG Liang,LI Yu-liang,ZHANG Chuan-kai,LIU Jing-yuan.Positioning Technology Based on RSSI in Coal Mine[J].Safety in Coal Mines,2012,43(1):48-50. |
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| Authors: | KONG Liang LI Yu-liang ZHANG Chuan-kai LIU Jing-yuan |
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| Affiliation: | (School of Information and Electrical Engineer,China University of Mining and Technology,Xuzhou 221000,China) |
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| Abstract: | This paper describes wireless signal strength based on WLAN positioning technology in coal mine.Firstly,it analyzes the difference of radio channel mode between transmitted in coal mine and transmitted on the ground.After that,it introduces an establishment method of radio signal map which is combined experiences database with estimations database.Finally,it turned out that the positioning accuracy is improved efficiently by introducing into weighting algorithm,which can satisfy production request in coal mine. |
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| Keywords: | WLAN signal strength positioning technology weighting algorithm |
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