• 首页关于本刊投稿须知期刊订阅编委会期刊合作查询检索English

查看全文   查看HTML全文 下载PDF阅读器  

  武有文,洪利,姚振静,韩智明,李亚南.地震废墟环境下Wi-Fi无线信号传播模型参数测量[J].震灾防御技术,2017,12(1):210-219, DOI:10.11899/zzfy20170122.

地震废墟环境下Wi-Fi无线信号传播模型参数测量
摘要:    本文主要针对地震废墟下手机Wi-Fi 无线定位,分析实际废墟环境下Wi-Fi 2.4G 无线信号的传播特性。通过对废墟结构的分析,使用矢量网络分析仪进行信道测量,对大尺度和小尺度衰减两种特性进行信道分析。采取理论预测和实际测量分析相结合的方法,对2008 年5·12 汶川地震的极重灾区遗址进行了废墟实地测量。对大尺度衰减进行路径损耗和钢筋混凝土吸收损耗分析,对小尺度衰减进行了平均超量时延和均方根时延分析,利用加窗、计算滑动均值,得到废墟下2.4G 无线信号的传播规律,为下一步定位工作提供理论基础。
作者单位
武有文 中国石油大学(华东), 山东青岛 266580
防灾科技学院, 河北三河 065200 
洪利 中国石油大学(华东), 山东青岛 266580
防灾科技学院, 河北三河 065200 
姚振静 防灾科技学院, 河北三河 065200 
韩智明 防灾科技学院, 河北三河 065200 
李亚南 防灾科技学院, 河北三河 065200 
关  键  词:Wi-Fi  信道  建模  定位  路径损耗
DOI:10.11899/zzfy20170122
基金项目:地震科技星火计划项目:基于手机搜索的生命探测平台的研究(XH14072)
收稿日期:2016-06-29
作者简介:武有文,女,生于1993 年。硕士生研究生,研究方向:无线通信技术。E-mail: xiaoyouzi56@qq.com
通讯作者:洪利,男,生于1968 年。博士后,教授。研究方向:灾害监测技术与仪器。E-mail: hongli2050@qq.com
Parameter Measurement of Wi-Fi Radio Signal Propagating in Constrction Ruins by Earthquake
Abstract:      In this paper, we analyzed the transmission characteristic of Wi-Fi 2.4G wireless signal in the actual ruins environment, and studied the mobile phone Wi-Fi wireless location under the construction ruins by earthquake. Based on the analysis of the structure of the ruins, the vector network analyzer is used to measure the channel, and channel analysis is carried out from both large and small scale fading. After combining the theoretical prediction and experimental measuring at the site of “5·12” Wenchuan earthquake in China in 2008, the campaign is conducted from large scale fading and small scale attenuation parameters. Large scale attenuation is carried out by analyzing the path loss and the penetration loss of some particular materials, and small scale attenuation is experienced by analyzinging the mean excess delay and the root mean square delay. With the methods including window added and moving average, we obtain the regulation of the Wi-Fi 2.4G radio signal which is essential for further localization.
Keywords:  Wi-Fi  Channel  Modeling  Localization  Path loss
关闭