Preamble Detection Method for RSS Data Synchronization in WLAN Monitoring

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC IEICE Communications Express Pub Date : 2024-09-10 DOI:10.23919/comex.2024XBL0134
Morihiko Tamai;Akio Hasegawa;Hiroyuki Yokoyama
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Abstract

Received signal strength (RSS) data is one of the useful data types for understanding wireless link quality. To perform WLAN monitoring over a wide area of the target environment, it is necessary to use multiple sensor nodes to observe RSS data at various positions. In this situation, achieving synchronization among sensor nodes is challenging. In this paper, we propose a synchronization method for different sets of RSS data. In our method, by analyzing In-phase and Quadrature (IQ) samples, the preamble, which is part of a wireless frame, is detected, and the reception start timing of each preamble is used as a synchronization timing point. Through experiments in an actual indoor environment, we confirmed that our method can achieve the synchronization accuracy of less than 1 µs between different sets of RSS data.
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用于无线局域网监测 RSS 数据同步的前导码检测方法
接收信号强度(RSS)数据是了解无线链路质量的有用数据类型之一。要在目标环境的大范围内执行无线局域网监测,就必须使用多个传感器节点来观测不同位置的 RSS 数据。在这种情况下,实现传感器节点之间的同步具有挑战性。本文提出了一种针对不同 RSS 数据集的同步方法。在我们的方法中,通过分析同相和正交(IQ)采样,检测出作为无线帧一部分的前导信号,并将每个前导信号的接收起始时序作为同步时序点。通过在实际室内环境中的实验,我们证实我们的方法可以实现不同 RSS 数据集之间小于 1 µs 的同步精度。
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IEICE Communications Express
IEICE Communications Express ENGINEERING, ELECTRICAL & ELECTRONIC-
自引率
33.30%
发文量
114
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