Device-Free Indoor Location Estimation System Using Commodity Wireless LANs

Device-Free Indoor Location Estimation System Using Commodity Wireless LANs

In recent years, propagation channel characteristics have been effectively used in several applications such as motion sensing and position detection. Considerable attention has been paid to channel-sounding methods that are easy to utilize using low-cost devices. This paper presents a device-free i...

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Bibliographic Details
Main Authors: Yuan Zhou, Minseok Kim, Hideaki Momose, Satoru Yasukawa
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Telecom
Subjects:
WiFi sounder
channel state information (CSI)
MIMO
indoor location estimation
array signal processing
machine learning
Online Access:https://www.mdpi.com/2673-4001/2/2/12
Description
Summary:In recent years, propagation channel characteristics have been effectively used in several applications such as motion sensing and position detection. Considerable attention has been paid to channel-sounding methods that are easy to utilize using low-cost devices. This paper presents a device-free indoor location estimation method using the spatio-temporal features of radio propagation channels using a 2.4 GHz-band three-by-three multiple-input-multiple-output (MIMO) channel sounder developed using commodity wireless local area network (WLAN). The measurement results demonstrated a reasonable performance of the proposed method with a small number of antennas.
ISSN:2673-4001

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