基于无线感知的室内安防技术综述

A Survey on Home Security Based on Sensorless Sensing with WiFi

无线信号在室内传播时携带着丰富的环境状态信息,能有效利用其进行室内状态感知,因此将无线感知技术用于新型室内安防领域具有极大的研究价值。从国内外研究现状出发,主要对基于无线感知的新型室内安防技术问题进行研究。首先,详细阐述了近些年无线感知在室内安防领域技术研究的现状,而后对基于无线感知的人员检测、位置识别以及身份认证技术的系统结构和基本原理进行了概况和总结;其次,根据技术方法的不同对已有工作进行如下分类:人员出现检测分为有监督学习的检测方法和无监督学习的检测方法,位置识别分为基于模式学习的方法和基于模型的方法,身份验证分为基于步态的身份识别和基于其他生物特征的身份识别;最后,分析了基于无线感知的室内安防技术目前存在的问题以及未来的发展趋势。

When the wireless signals transit indoor, carrying the abundant environment status information,can be effectively used for indoor state of perception, so sensorless sensing technology for indoor security fields has great research value. Based on the current research situation at home and abroad, this paper mainly studies the new indoor security technology based on sensorless sensing with WiFi. Firstly, the research status of sensorless sensing with WiFi in indoor security field in recent years is described in detail. Then, the system structure and basic principle of personnel detection, position recognition and identity authentication based on sensorless sensing with WiFi are summarized. According to the differences of technical methods, this paper classifies the existing work as follows： personnel presence detection is divided into supervised learning detection methods and unsupervised learning detection methods. Location recognition is divided into pattern based learning and model-based methods, and authentication is based on gait and other biometric features. Finally, this paper analyzes the current problems and future trends of indoor security technology based on sensorless sensing with WiFi.