1.广东电网有限责任公司韶关供电局,广东 韶关,512000
2.山东科技大学测绘与空间信息学院,山东 青岛,266590
3.武汉大学测绘遥感信息工程全国重点实验室,湖北 武汉,430079
4.测绘遥感信息工程全国重点实验室深圳研发中心,广东 深圳,518057
杨帆,硕士,高级工程师,主要从事电力信息化技术研究。yangfan0318@gdsg.csg.cn
龚晓东,博士,博士后。gongxiaodong@whu.edu.cn
收稿:2023-10-31,
纸质出版:2025-10-05
移动端阅览
杨帆,柳景斌,龚晓东,等.基于移动采集指纹的手机自适应压缩感知室内定位方法[J].武汉大学学报(信息科学版),2025,50(10):2135-2144.
YANG Fan,LIU Jingbin,GONG Xiaodong,et al.Mobile Phone-Based Indoor Positioning Method Using Adaptive Compressed Sensing for Mobile-Collected Fingerprints[J].Geomatics and Information Science of Wuhan University,2025,50(10):2135-2144.
杨帆,柳景斌,龚晓东,等.基于移动采集指纹的手机自适应压缩感知室内定位方法[J].武汉大学学报(信息科学版),2025,50(10):2135-2144. DOI:10.13203/j.whugis20230241
YANG Fan,LIU Jingbin,GONG Xiaodong,et al.Mobile Phone-Based Indoor Positioning Method Using Adaptive Compressed Sensing for Mobile-Collected Fingerprints[J].Geomatics and Information Science of Wuhan University,2025,50(10):2135-2144. DOI:10.13203/j.whugis20230241
基于接收信号强度指示(received signal strength indicator,RSSI)指纹的定位方法需要预先建立定位区域指纹库,传统静态采集指纹库的建立更新需要大量的人力和时间,并且定位一致性容易受终端差异(如指纹采集手机与定位手机硬件不同导致接收信号差异)影响,使得这种方法的大范围推广使用变得异常艰难。针对以上问题,通过移动行走过程中采集的RSSI指纹建立对应的移动采集指纹库,根据移动采集指纹特征构建特征向量,提出移动采集指纹稀疏特征表征,建立基于自适应压缩感知算法的指纹匹配室内定位模型。实验结果表明,指纹采集效率提升了90.83%,平均定位误差为1.96 m,均方根误差为2.75 m,定位一致性差异误差平均提高了32.67%。所提方法在指纹采集效率、定位精度及不同手机的定位一致性方面优于现有算法。
Objectives
2
The location method based on received signal strength indication (RSSI) fingerprint requires building a fingerprint database of the location area in the offline stage. The traditional static fingerprint collection method is time-consuming and labor-intensive to establish and update the fingerprint database
and the location consistency is easily affected by the terminal difference (such as the difference of the received signal caused by the different hardware of the fingerprint collection phone and the location phone)
which hinders the large-scale application of this method.
Methods
2
To address these problems
we collect RSSI fingerprints during mobile walking and build a corresponding mobile collection fingerprint database
and construct feature vectors according to the characteristics of mobile collection fingerprints. Sparse feature representation of mobile-collected fingerprints is proposed
and a fingerprint matching indoor location model is established based on adaptive compressed sensing algorithm.
Results
2
The experimental results show that the fingerprint collection efficiency is improved by 90.83%
the average location error is 1.96 m
the root mean square error is 2.75 m
and the location consistency difference error is improved by 32.67% on average.
Conclusions
2
The proposed method outperforms the existing algorithms in terms of fingerprint collection efficiency
location accuracy and location consistency of different phones.
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