ESPARGOS: Phase-Coherent WiFi CSI Datasets for Wireless Sensing Research
Florian Euchner, Stephan ten Brink

TL;DR
This paper introduces ESPARGOS, a phase-coherent WiFi CSI dataset collection platform that facilitates wireless sensing research by providing large, well-documented, and labeled datasets from real-time, multi-antenna WiFi channel measurements.
Contribution
The paper presents ESPARGOS, a novel phase-coherent WiFi channel sounder and a large, publicly available CSI dataset tailored for data-driven wireless sensing research.
Findings
Captured extensive CSI datasets with ESPARGOS
Datasets include detailed labels and positioning info
Enables machine learning applications in sensing
Abstract
The use of WiFi signals to sense the physical environment is gaining popularity, with some common applications being motion detection and transmitter localization. Standard-compliant WiFi provides a cost effective, easy and backward-compatible approach to Joint Communication and Sensing and enables a seamless transfer of results from experiments to practical applications. However, most WiFi sensing research is conducted on channel state information (CSI) data from current-generation devices, which are usually not meant for sensing applications and thus lack sufficient spatial diversity or phase synchronization. With ESPARGOS, we previously developed a phase-coherent, real-time capable many-antenna WiFi channel sounder specifically for wireless sensing. We describe how we use ESPARGOS to capture large CSI datasets that we make publicly available. The datasets are extensively documented…
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Taxonomy
TopicsAdvanced Adaptive Filtering Techniques · Indoor and Outdoor Localization Technologies
