一种基于 WiFi 的新型时态精确检测系统，具有增强型 CSI 采样功能

IF 4.6 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Wireless Communications Letters Pub Date : 2024-11-04 DOI:10.1109/LWC.2024.3490663

Jin Huang;Yue Tian;Xuejie Hu;Zhidu Li

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引用次数: 0

摘要

集成传感和通信（ISAC）已成为5G-Advanced (5G-A)， 6G和无线保真（WiFi）领域的突出研究焦点。基于wifi的人体检测作为一种被动传感技术，在实际应用中因其私密性、不显眼性和便捷性而受到广泛关注。本文介绍了一种利用信道状态信息（CSI）的基于wifi的人类入侵检测系统。通过提出的序列粒子滤波（SPF） CSI采样方法对CSI相位采样点进行细化，减少了实时传感所需的数据量。提出了一种综合的预处理方法，以滤除CSI采集过程中的噪声干扰和减轻信道衰落。本文提出的人类入侵检测算法可以准确识别CSI相位时间序列的波动，从而确定人类的存在和入侵的准确时刻。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Novel WiFi-Based Temporal Precision Detection System With Enhanced CSI Sampling

Integrated sensing and communication (ISAC) has emerged as a prominent research focus in the domains of 5G-Advanced (5G-A), 6G, and wireless fidelity (WiFi). As a passive sensing technology, WiFi-based human detection has garnered widespread attention due to its privacy, unobtrusiveness, and convenience in practical applications. This letter introduces a WiFi-based human intrusion detection system utilizing channel state information (CSI). By refining the CSI phase sampling points through the proposed sequence particle filter (SPF) CSI sampling method, the system reduces the amount of data needed for real-time sensing. A comprehensive preprocessing procedure is presented to filter out noise interference and mitigate channel fading during CSI collection. The proposed human intrusion detection algorithm accurately identifies fluctuations in the CSI phase time series, thereby determining the presence of a human and the exact moments of intrusion.

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来源期刊

IEEE Wireless Communications Letters Engineering-Electrical and Electronic Engineering

CiteScore

12.30

自引率

6.30%

发文量

481

期刊介绍： IEEE Wireless Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of wireless communications. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of wireless communication systems.