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首页> 外文会议>9th ACM/IEEE international conference on information processing in sensor networks 2010 >Poster Abstract: Distributed RSSI Processing for Intrusion Detection in Indoor Environments
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Poster Abstract: Distributed RSSI Processing for Intrusion Detection in Indoor Environments

机译：海报摘要：用于室内环境中的入侵检测的分布式RSSI处理

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摘要

In the context ofWSNs, the RSSI has been traditionally exploited for localization, distance estimation, and link quality assessment. Recent research has shown that variations of the signal strength in indoor environments where nodes have been deployed can reveal movements of persons. Moreover, the time-histories of the RSSI over multiple links allow reconstructing the paths followed by the persons inside the monitored area. This approach, though effective, requires the transmission of multiple entire RSSI time-histories to a sink where these signals are processed, increasing latency and power consumption. This work aims at applying distributed processing of the RSSI signals for intrusion detection. Through distributed processing, the nodes are able to detect and localize moving persons autonomously. The latency and power consumption of the proposed intrusion detection system is minimized by transmitting to the sink only alert notifications related to significant events. Moreover, an accurate time-synchronization allows the nodes to keep the radio off most of the time. The proposed system was able to detect the intrusion of a person walking inside the monitored area, and to correctly keep track of the path he had followed. Possible applications of such a system include surveillance of critical buildings, support to emergency workers in locating people e.g. during fires and earthquakes, and to police in hostage situations or terrorist attacks.
机译：在WSN的上下文中，传统上已利用RSSI进行本地化，距离估计和链路质量评估。最近的研究表明，已部署节点的室内环境中信号强度的变化可以揭示人员的活动。此外，通过多个链接的RSSI的时间历史记录允许重构受监视区域内人员遵循的路径。这种方法虽然有效，但需要将多个完整的RSSI时间历史记录传输到处理这些信号的接收器，从而增加了等待时间和功耗。这项工作旨在将RSSI信号的分布式处理应用于入侵检测。通过分布式处理，节点能够自动检测和定位移动人员。通过仅向接收器发送与重大事件相关的警报通知，可以将建议的入侵检测系统的等待时间和功耗降至最低。此外，精确的时间同步使节点可以在大多数时间保持无线电关闭。拟议的系统能够检测到一个人在受监控区域内行走的侵入情况，并正确跟踪他所遵循的路径。这种系统的可能应用包括对关键建筑物的监视，对紧急人员的支持，例如对人员的定位。在发生火灾和地震时，并在人质或恐怖袭击中向警察报警。

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