Article(id=1251457739340333751, tenantId=1146029695717560320, journalId=1251194938327613532, issueId=1251457733048877664, articleNumber=null, orderNo=null, doi=10.14132/j.cnki.1673-5439.2025.05.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1727625600000, receivedDateStr=2024-09-30, revisedDate=1744560000000, revisedDateStr=2025-04-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1776300376018, onlineDateStr=2026-04-16, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776300376018, onlineIssueDateStr=2026-04-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776300376018, creator=13041195026, updateTime=1776300376018, updator=13041195026, issue=Issue{id=1251457733048877664, tenantId=1146029695717560320, journalId=1251194938327613532, year='2025', volume='45', issue='5', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776300374519, creator=13041195026, updateTime=1776311882923, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251506002898661500, tenantId=1146029695717560320, journalId=1251194938327613532, issueId=1251457733048877664, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251506002898661501, tenantId=1146029695717560320, journalId=1251194938327613532, issueId=1251457733048877664, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=102, endPage=110, ext={EN=ArticleExt(id=1251457739596186302, articleId=1251457739340333751, tenantId=1146029695717560320, journalId=1251194938327613532, language=EN, title=An indoor motion path reconstruction method based on Wi-Fi localization, columnId=1251457734063895255, journalTitle=Journal of Nanjing University of Posts and Telecommunications(Natural Science Edition), columnName=Computer and Automation, runingTitle=null, highlight=null, articleAbstract=
Unlike outdoor environments, indoor spaces exhibit complex electromagnetic conditions that complicate the localization of targets using wireless signals. Based on the Fresnel propagation model, this paper studies the propagation law of Wi-Fi signals in a rich multi-path environment. First, to address the phase offset in channel state information caused by hardware, a correction method based on least squares regression analysis is proposed, and environmental interference signals are eliminated by spectrum analysis. Second, the target position is estimated by using multiple groups of signal links, and the estimated result is matched with the reference position to reconstruct the target motion path. Experimental results show that the theoretical basis of this method is consistent with the actual movement patterns of the target, achieving a positioning error of about 11 cm without data training. At this error level, this method can distinguish adjacent targets in lateral or longitudinal proximity, thereby reducing misidentification. Compared with the existing deep learning-based methods, the proposed method reduces the positioning error by 50.4% with less training data, and by 5% with ample training data.
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不同于室外,室内空间因其复杂的电磁环境,导致利用无线信号进行目标定位变得更为复杂。以菲涅尔传播模型为基础,研究了Wi-Fi信号在富多径环境下的传播规律。针对由于硬件产生的信道状态信息相位偏移,提出基于最小二乘回归分析的校正方法,利用频谱分析方法消除环境信号的干扰;利用多组信号链路对目标的位置进行估计,并将估计结果与基准位置进行匹配,实现对目标运动路径的重构。实验结果表明,该方法的理论基础符合定位目标的实际运动习惯,在不需要进行数据训练的情况下取得了11 cm左右的定位误差,在这一误差之下可以有效识别左右相邻或者前后相近的不同目标,避免误判的发生。与现有的基于深度学习的方法相比,在训练数据较少的情况下定位误差降低了50.4%,在训练数据较多的情况下定位误差降低了5%。
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2023: 5701-5706., articleTitle=Integrated CSI feedback and localization using deep learning, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251457748722991139, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, xref=null, ext=[AuthorCompanyExt(id=1251457748735574054, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, companyId=1251457748722991139, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Modern Posts, Nanjing University of Posts and Telecommunications, Nanjing 210003, China), AuthorCompanyExt(id=1251457748752351272, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, companyId=1251457748722991139, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=南京邮电大学 现代邮政学院,江苏 南京 210003)])], figs=[ArticleFig(id=1251457749956116585, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=zD/EADXGV9tSS9ftIBl6Tw==, figureFileBig=LzpdWx91w7mlrUEaZgWicw==, tableContent=null), ArticleFig(id=1251457750035808364, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图1, caption=
室内环境中的多路径效应, figureFileSmall=zD/EADXGV9tSS9ftIBl6Tw==, figureFileBig=LzpdWx91w7mlrUEaZgWicw==, tableContent=null), ArticleFig(id=1251457750211969138, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=ePRprbxir/Jb8Ca1xuM6Tg==, figureFileBig=5HmVBzzF+JhVybxHD7wzPA==, tableContent=null), ArticleFig(id=1251457750295855225, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图2, caption=
菲涅尔区模型, figureFileSmall=ePRprbxir/Jb8Ca1xuM6Tg==, figureFileBig=5HmVBzzF+JhVybxHD7wzPA==, tableContent=null), ArticleFig(id=1251457750362964090, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=tYWvSGD0FRgrIKKiL6SbVA==, figureFileBig=n3frVge0CmHw/7e5YaaDkg==, tableContent=null), ArticleFig(id=1251457750463627391, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图3, caption=
室内环境中的多径效应, figureFileSmall=tYWvSGD0FRgrIKKiL6SbVA==, figureFileBig=n3frVge0CmHw/7e5YaaDkg==, tableContent=null), ArticleFig(id=1251457750530736259, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=OwKq8bjy2Xfrm7ap8juJhg==, figureFileBig=bqiHh9Y991Tl3MBTPVl8vQ==, tableContent=null), ArticleFig(id=1251457750618816648, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图4, caption=
使用3条TX-RX链路进行定位, figureFileSmall=OwKq8bjy2Xfrm7ap8juJhg==, figureFileBig=bqiHh9Y991Tl3MBTPVl8vQ==, tableContent=null), ArticleFig(id=1251457750711091343, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=juL18v4kBRvk5nXUM7kfaw==, figureFileBig=66zCzF/uBvfuQsjPBGwpnA==, tableContent=null), ArticleFig(id=1251457750794977426, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图5, caption=
实验中使用的设备, figureFileSmall=juL18v4kBRvk5nXUM7kfaw==, figureFileBig=66zCzF/uBvfuQsjPBGwpnA==, tableContent=null), ArticleFig(id=1251457750874669207, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=oc8CfKbfmasuO6dCGFEPrg==, figureFileBig=SC0Oz/ObNJCvJJUZronV6w==, tableContent=null), ArticleFig(id=1251457750958555292, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图6, caption=
采样位置估计和基准路径划分, figureFileSmall=oc8CfKbfmasuO6dCGFEPrg==, figureFileBig=SC0Oz/ObNJCvJJUZronV6w==, tableContent=null), ArticleFig(id=1251457751080190111, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=frLGXZTd0jsvbqrmwVNbJA==, figureFileBig=t8ZUAnenOulNKFbMTOz7mg==, tableContent=null), ArticleFig(id=1251457751151493283, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图7, caption=
不同运动路径的采样位置估计偏差, figureFileSmall=frLGXZTd0jsvbqrmwVNbJA==, figureFileBig=t8ZUAnenOulNKFbMTOz7mg==, tableContent=null), ArticleFig(id=1251457751218602150, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=w+V9qHxFObY3avinvYqekg==, figureFileBig=utCnXck0yJDmPWbLiaL1wQ==, tableContent=null), ArticleFig(id=1251457751310876845, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图8, caption=
实验环境和基准路径划分, figureFileSmall=w+V9qHxFObY3avinvYqekg==, figureFileBig=utCnXck0yJDmPWbLiaL1wQ==, tableContent=null), ArticleFig(id=1251457751407345841, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=87TdtvvJpT97QEEKSCu91A==, figureFileBig=xyYjY2Fqw48939M0NtACXw==, tableContent=null), ArticleFig(id=1251457751508009142, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=图9, caption=
实验者4的路径重构测试结果, figureFileSmall=87TdtvvJpT97QEEKSCu91A==, figureFileBig=xyYjY2Fqw48939M0NtACXw==, tableContent=null), ArticleFig(id=1251457751591895229, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 16.4 | 18.7 | 16.2 | 17.2 |
| 采样位置2 | 13.4 | 10.6 | 11.3 | 12.4 |
| 采样位置3 | 12.7 | 10.3 | 11.4 | 12.1 |
| 采样位置4 | 9.6 | 10.1 | 11.2 | 10.6 |
| 采样位置5 | 8.5 | 9.7 | 10.3 | 10.3 |
| 采样位置6 | 9.7 | 8.8 | 10.7 | 9.8 |
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路径1的重构平均误差
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| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 16.4 | 18.7 | 16.2 | 17.2 |
| 采样位置2 | 13.4 | 10.6 | 11.3 | 12.4 |
| 采样位置3 | 12.7 | 10.3 | 11.4 | 12.1 |
| 采样位置4 | 9.6 | 10.1 | 11.2 | 10.6 |
| 采样位置5 | 8.5 | 9.7 | 10.3 | 10.3 |
| 采样位置6 | 9.7 | 8.8 | 10.7 | 9.8 |
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| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 19.2 | 18.3 | 18.6 | 18.1 |
| 采样位置2 | 9.3 | 10.5 | 10.1 | 9.8 |
| 采样位置3 | 11.4 | 10.7 | 10.5 | 10.1 |
| 采样位置4 | 10.2 | 11.4 | 11.8 | 10.6 |
| 采样位置5 | 9.8 | 11.3 | 10.8 | 10.9 |
), ArticleFig(id=1251457751826776265, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=表2, caption=
路径2的重构平均误差
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| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 19.2 | 18.3 | 18.6 | 18.1 |
| 采样位置2 | 9.3 | 10.5 | 10.1 | 9.8 |
| 采样位置3 | 11.4 | 10.7 | 10.5 | 10.1 |
| 采样位置4 | 10.2 | 11.4 | 11.8 | 10.6 |
| 采样位置5 | 9.8 | 11.3 | 10.8 | 10.9 |
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| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 9.8 | 10.2 | 10.7 | 9.5 |
| 采样位置2 | 9.2 | 10.1 | 9.8 | 10.6 |
| 采样位置3 | 8.6 | 9.5 | 10.2 | 9.7 |
| 采样位置4 | 9.2 | 8.9 | 9.4 | 9.2 |
| 采样位置5 | 8.4 | 8.7 | 9.3 | 9.1 |
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路径3的重构平均误差
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| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 9.8 | 10.2 | 10.7 | 9.5 |
| 采样位置2 | 9.2 | 10.1 | 9.8 | 10.6 |
| 采样位置3 | 8.6 | 9.5 | 10.2 | 9.7 |
| 采样位置4 | 9.2 | 8.9 | 9.4 | 9.2 |
| 采样位置5 | 8.4 | 8.7 | 9.3 | 9.1 |
), ArticleFig(id=1251457752070045908, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 9.9 | 10.2 | 10.4 | 10.1 |
| 采样位置2 | 11.4 | 12.3 | 11.8 | 11.2 |
| 采样位置3 | 10.3 | 9.8 | 10.1 | 10.4 |
| 采样位置4 | 10.7 | 10.1 | 9.8 | 10.2 |
| 采样位置5 | 12.3 | 12.5 | 11.8 | 12.7 |
| 采样位置6 | 8.6 | 9.3 | 9.7 | 10.1 |
), ArticleFig(id=1251457752162320601, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=表4, caption=
路径4的重构平均误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 实验者1 | 实验者2 | 实验者3 | 实验者4 |
|---|
| 采样位置1 | 9.9 | 10.2 | 10.4 | 10.1 |
| 采样位置2 | 11.4 | 12.3 | 11.8 | 11.2 |
| 采样位置3 | 10.3 | 9.8 | 10.1 | 10.4 |
| 采样位置4 | 10.7 | 10.1 | 9.8 | 10.2 |
| 采样位置5 | 12.3 | 12.5 | 11.8 | 12.7 |
| 采样位置6 | 8.6 | 9.3 | 9.7 | 10.1 |
), ArticleFig(id=1251457752237818079, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 本文 | 文献[2] | 文献[3] |
|---|
| 数据规模500 | 数据规模1 000 |
|---|
| 平均定位误差 | 11.4 | 23.0 | 12.0 | 63.0 |
), ArticleFig(id=1251457752325898465, tenantId=1146029695717560320, journalId=1251194938327613532, articleId=1251457739340333751, language=CN, label=表5, caption=
不同方法的平均定位误差对比
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| 方法 | 本文 | 文献[2] | 文献[3] |
|---|
| 数据规模500 | 数据规模1 000 |
|---|
| 平均定位误差 | 11.4 | 23.0 | 12.0 | 63.0 |
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