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1. 发明授权

US09520041B2 Monitoring intrusion in an area using WIFI-enabled devices 有权
标题翻译：使用支持WIFI的设备监控某个区域的入侵
公开(公告)号：US09520041B2
公开(公告)日：2016-12-13
申请号：US14439613
申请日：2012-11-05
申请人： Ekin Labs OY
发明人： Francescantonio Della Rosa , Jari Nurmi
IPC分类号： G08B13/18 , G08B13/24 , G08B13/187 , G01S7/292 , G01S5/02 , G01S11/06 , H04W76/02
CPC分类号： G08B13/2491 , G01S5/02 , G01S7/292 , G01S11/06 , G08B13/187 , H04W76/14
摘要： For monitoring an area, signal strength samples are obtained (S1) by sampling a data signal transmitted from at least one first device and received by at least one second device, and measuring a signal strength of the sampled data signal. The signal strength samples are processed (S2) by forming consecutive first groups of N consecutive signal strength samples, calculating first standard deviations for each of the consecutive first groups, forming consecutive second groups of N consecutive first standard deviations, and calculating second standard deviations for each of the consecutive second groups. Based on the second standard deviations, it is detected (S3) if a fluctuation in the data signal received by the second device has occurred that represents an intrusion in the area.
摘要翻译：为了监测区域，通过对从至少一个第一设备发送并由至少一个第二设备接收的数据信号进行采样并测量采样数据信号的信号强度来获得信号强度样本（S1）（S1）。通过形成连续的第一组N个连续信号强度样本来处理信号强度样本（S2），为连续的第一组中的每一个计算第一标准偏差，形成N个连续的第一标准偏差的连续的第二组，并计算第二标准偏差每个连续的第二组。基于第二标准偏差，检测到（S3）如果发生了表示在该区域中的入侵的由第二设备接收的数据信号的波动。

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