室内环境中基于天牛须寻优的普适定位方法

刘影; 钱志鸿; 贾迪

doi:10.11999/JEIT181021

室内环境中基于天牛须寻优的普适定位方法

doi: 10.11999/JEIT181021

刘影^1, ,,
钱志鸿²,
贾迪¹

1.
辽宁工程技术大学电子与信息工程学院葫芦岛 125105
2.
吉林大学通信工程学院长春 130022

基金项目: 国家自然科学基金青年基金(61601213)，辽宁省教育厅一般项目资金(LJ2017QL013)，辽宁省博士启动基金(20170520098)，中国博士后面上基金(2017M611252)，辽宁省创新人才支持计划项目(LR2016045)

详细信息

作者简介:
刘影：女，1983年生，讲师，研究方向为无线定位、非接触式物体识别

钱志鸿：男，1957年生，教授、博士生导师，研究方向为基于物联网，D2D，Wi-Fi，RFID等无线网络与通信技术

贾迪：男，1982年生，副教授，研究方向为图像处理、计算机视觉及模式识别

通讯作者:
刘影　lycommunication@126.com

中图分类号: TN92
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- 被引次数: 0
出版历程
- 收稿日期: 2018-11-06
- 修回日期: 2019-02-24
- 网络出版日期: 2019-04-02
- 刊出日期: 2019-07-01

Universal Localization Algorithm Based on Beetle Antennae Search in Indoor Environment

Ying LIU^{1
, ,},
Zhihong QIAN²,
Di JIA¹

1.
School of Electronic and Information Engineering, Liaoning Technical University, Huludao 125105, China
2.
College of Communication Engineering, Jilin University, Changchun 130022, China

Funds: The National Natural Foundation of China(61601213), The Project of Educational Commission of Liaoning Province of China (LJ2017QL013), Liaoning Province Doctor Startup Fund(20170520098), China Postdoctoral Science Foundation (2017M611252), The Project of Innovative Talents Support of Liaoning Province of China (LR2016045)

摘要

摘要: 在复杂的室内环境中，测得的接收信号强度(RSS)值会出现不同程度的波动，导致无法准确地刻画出无线信号传播模型。为了解决这个问题，在基于Wi-Fi测距定位模型下，该文提出一种普适的粗粒度定位方法。该方法通过对测量到的RSS值进行拟合，以此获取信号的传播模型；在此基础上计算出未知节点与接入点(AP)的距离，再利用天牛须算法实现未知节点定位，通过仿真验证此传播模型的性能以及该优化算法的有效性。
- 无线通信 /
- 信道模型 /
- 天牛须搜索 /
- 普适定位
Abstract: In complex indoor environment, the measured Received Signal Strength (RSS) values will fluctuate in different degrees, which lead to inaccurate characterization of wireless signal propagation model. To solve this problem, a universal coarse grained localization method is proposed based on the Wi-Fi ranging location model. This method gets the signal propagation model by fitting the measured RSS value. On this basis, the distance between the unknown node and the Access Point (AP) is calculated, then the location of the unknown node is realized by the beetle antennae search algorithm. The performance of the propagation model and the effectiveness of the optimization algorithm are verified by simulation.
- Wireless communication /
- Channel modeling /
- Beetle Antennae Search (BAS) /
- Universal localization

HTML全文

图 1 RSS测量值

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图 2 测试场景

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图 3 DSPM测距结果值

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图 4 式(1)测量结果值

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图 5 改变DSPM参数后得到的测量结果

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图 6 不同${\rm{step}}$取值定位误差随随机步长$l$的变化

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图 7 收敛速度

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图 8 不同AP数目的定位误差对比

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表 1 本文算法与经典算法对比

	真实位置	测量位置	误差(m)	收敛速度
BAS-DSPM	(0, 0)	(0.7123, 1.4437)	1.6098	迭代27次趋于平稳
PSO-DSPM	(0, 0)	(1.3654, –1.8031)	2.2617	迭代108次趋于平稳
PSO-经典测距模型	(0, 0)	(–2.0462, 3.4623)	4.0217	迭代98次趋于平稳

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