Indoor Localization in Multi-Path Environment based on AoA with Particle Filter

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7 Scopus citations

Abstract

Filter (PF) is a promising technique for indoor location estimation and tracking. In an indoor environment, localization has become significantly challenging due to multipath reflections. This work addresses the problem of indoor localization of a Moving Target (MT) in a rich multipath environment by fusing acceleration data obtained from Inertial Measurement Unit (IMU) sensors and Angle of Arrival (AoA) measurements. First, the moving target position is predicted using the IMU sensor data. Thereafter, MUltiple SIgnal Classification (MUSIC) algorithm is applied to estimate the AoA of the multipath components. IMU sensor data and the estimated AoA of the multipath components are then fused using the probabilistic framework of the PF to estimate the moving target location. Simulation results demonstrate that the proposed system can achieve a location accuracy of less than 2m in a rich multipath environment with only 2 WiFi Access Points (APs).

Original languageBritish English
Title of host publication2020 3rd International Conference on Signal Processing and Information Security, ICSPIS 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728189987
DOIs
StatePublished - 25 Nov 2020
Event3rd International Conference on Signal Processing and Information Security, ICSPIS 2020 - Virtual, Dubai, United Arab Emirates
Duration: 25 Nov 202026 Nov 2020

Publication series

Name2020 3rd International Conference on Signal Processing and Information Security, ICSPIS 2020

Conference

Conference3rd International Conference on Signal Processing and Information Security, ICSPIS 2020
Country/TerritoryUnited Arab Emirates
CityVirtual, Dubai
Period25/11/2026/11/20

Keywords

  • AoA
  • Indoor localization
  • Particle filter

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