| 一种基于LQI的道路车辆定位方法实现 |
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| 引用本文： | 徐国艳,孙劭轩,王江锋,高峰,易飞. 一种基于LQI的道路车辆定位方法实现[J]. 公路交通科技, 2010, 27(4) |
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| 作者姓名： | 徐国艳 孙劭轩 王江锋 高峰 易飞 |
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| 作者单位： | 北京航空航天大学,交通科学与工程学院,北京,100191 |
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| 基金项目： | 教育部高等学校博士点基金项目(新教师)(20070006011) |
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| 摘 要： | 设计了一种基于无线网络的,用于特定路段的车辆定位系统。对常用的无线网络节点定位的方式进行了对比分析,结合车用无线定位的特点,选择了基于LQI信号的无线定位方式。在定位算法的设计中,改进了三边测量法,给出了一种基于正方形形心的定位算法。设计了合理的定位模型标定方法,对所设计的定位模型进行了标定。从定位误差的角度对标定的定位模型进行了试验分析。试验结果表明,论文给出的基于LQI的无线网络节点定位方法达到了预期的定位要求。
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| 关 键 词： | 交通工程 车辆定位 LQI 定位方法 定位试验 |
A Method of Vehicle Positioning on Specific Road Based on LQI |
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| XU Guoyan,SUN Shaoxuan,WANG Jiangfeng,GAO Feng,YI Fei. A Method of Vehicle Positioning on Specific Road Based on LQI[J]. Journal of Highway and Transportation Research and Development, 2010, 27(4) |
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| Authors: | XU Guoyan SUN Shaoxuan WANG Jiangfeng GAO Feng YI Fei |
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| Affiliation: | School of Transportation Science and Engineering;Beijing University of Aeronautics and Astronautics;Beijing 100191;China |
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| Abstract: | A vehicle positioning system on specific road based on wireless network was designed.The common wireless network node positioning methods were analyzed comparatively.The LQI-based wireless location method was selected according to the characteristic of vehicle wireless positioning.In the designing of location algorithm,the three-border measurement was improved,and a location algorithm based on the centroid of square was given.A reasonable location model calibration method was designed and the designed model... |
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| Keywords: | traffic engineering vehicle positioning LQI location method location experiment |
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