ARTICLE | doi:10.20944/preprints202103.0434.v1
Subject: Engineering, Automotive Engineering Keywords: WiFi sounder; CSI; MIMO; indoor location estimation; array signal processing; machine learning; SVM
Online: 17 March 2021 (10:57:38 CET)
In recent years, since the propagation channel characteristics have been effectively used for applications such as motion sensing, position detection, etc. A great deal of attention is attracted to channel sounding methods easy to utilize using low-cost devices. This paper presents a device-free indoor location estimation method using spatio-temporal features of radio propagation channels using the 2.4-GHz band 3-by-3 MIMO channel sounder developed using commodity wireless LANs. The measurement results demonstrated a reasonable performance of the proposed method with small number of antennas.