基于有效AP选择和多分类LDA的室内定位算法
Indoor positioning algorithm based on effective AP selection and multi-class LDA
- 通信学报 2021年42卷第11期 页码：109-120
- 作者机构：
吉林大学通信工程学院，吉林 长春 130012
- 作者简介：
[ "刘桂岐（1986− ），女，吉林公主岭人，吉林大学博士生，主要研究方向为无线网络定位技术" ]
[ "钱志鸿（1957− ），男，吉林长春人，博士，吉林大学教授、博士生导师，主要研究方向为物联网、D2D、Wi-Fi、RFID等无线网络与通信技术" ]
[ "李华亮（1990− ），男，吉林长春人，吉林大学博士生，主要研究方向为无线定位" ]
[ "孙佳妮（1996− ），女，吉林长春人，吉林大学硕士生，主要研究方向为异构无线网络垂直切换技术" ]
[ "冯一诺（1995− ），女，吉林四平人，吉林大学硕士生，主要研究方向为异构无线网络" ]
[ "王雪（1984− ），女，吉林白山人，博士，吉林大学副教授，主要研究方向为物联网与D2D通信技术" ]
- 基金信息：国家自然科学基金资助项目(61771219);吉林省科技发展计划基金资助项目(20190303137SF);吉林省科技发展计划基金资助项目(20200401084GX);吉林省科技发展计划基金资助项目(20190201187JC)
DOI：10.11959/j.issn.1000-436x.2021211
中图分类号： TN92-
网络首发：2021-11，
纸质出版：2021-11-25
- 稿件说明：
移动端阅览
刘桂岐, 钱志鸿, 李华亮, 等. 基于有效AP选择和多分类LDA的室内定位算法[J]. 通信学报, 2021,42(11):109-120.
Guiqi LIU, Zhihong QIAN, Hualiang LI, et al. Indoor positioning algorithm based on effective AP selection and multi-class LDA[J]. Journal on Communications, 2021, 42(11): 109-120.
刘桂岐, 钱志鸿, 李华亮, 等. 基于有效AP选择和多分类LDA的室内定位算法[J]. 通信学报, 2021,42(11):109-120. DOI： 10.11959/j.issn.1000-436x.2021211.
Guiqi LIU, Zhihong QIAN, Hualiang LI, et al. Indoor positioning algorithm based on effective AP selection and multi-class LDA[J]. Journal on Communications, 2021, 42(11): 109-120. DOI： 10.11959/j.issn.1000-436x.2021211.
摘要
为了解决室内定位中纵向位置信息缺失的问题，提出了基于有效AP选择和多分类LDA的室内定位算法。离线阶段，采用基于稳定性及差异性的AP选择算法，提取指纹区域的有效AP集合，并利用多分类LDA算法对有效 AP 集合在不同纵向位置的指纹数据进行训练，得到纵向位置信息识别模型。在线阶段，将与离线有效 AP子集相同的AP信息输入纵向位置信息识别模型，得到识别结果，然后利用基于指纹库分区的定位算法完成在线指纹平面定位。仿真结果表明，所提算法的纵向楼层识别准确率可达到98%。
Abstract
To solve the problems of the lack of longitudinal position information in indoor positioning
an indoor positioning algorithm based on effective AP selection and multi-class LDA was proposed.In the offline stage
the AP selection algorithm based on stability and difference was used to extract effective AP set in the fingerprint area
and the multi-class LDA algorithm was adopted to train the fingerprint data of effective AP set at different heights to obtain longitudinal position information recognition model.In the online stage
the AP information alike the offline effective AP subset was input into longitudinal position information recognition model to obtain recognition result
and then the online fingerprint plane positioning was completed by the positioning algorithm based on the fingerprint database partition.Simulation results demonstrate that the accuracy of the proposed algorithm for determining longitudinal floors can reach 98%.
关键词
Keywords
references
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