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Physical Modeling for Device-Free Localization exploiting Multipath Propagation of Mobile Radio Signals

Schmidhammer, Martin and Walter, Michael and Gentner, Christian and Sand, Stephan (2020) Physical Modeling for Device-Free Localization exploiting Multipath Propagation of Mobile Radio Signals. In: 14th European Conference on Antennas and Propagation, EuCAP 2020. 14th European Conference on Antennas and Propagation (EuCAP), 15.-20. March 2020, Kopenhagen. ISBN 978-883129900-8.

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Abstract

This work proposes a model to describe the impact of a target on the received power of a multipath component (MPC). The physical propagation path of an MPC is decomposed geometrically and is described by direct propagation paths between physical and virtual nodes. Using the scalar theory of diffraction, the impact of a target on the electric field can be calculated for each component, individually. Thereby, the model relates alternations of the received power of MPCs to the location and orientation of the target, which allows device-free localization systems to exploit multipath propagation. The model is evaluated for a single link scenario of one specular reflection. A comparison of modeled attenuation results to wideband measurement data qualitatively confirms the applicability of the proposed model representing target-induced attenuation.

Item URL in elib:https://elib.dlr.de/139243/
Document Type:Conference or Workshop Item (Speech)
Title:Physical Modeling for Device-Free Localization exploiting Multipath Propagation of Mobile Radio Signals
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schmidhammer, Martinmartin.schmidhammer (at) dlr.dehttps://orcid.org/0000-0002-9345-142X
Walter, MichaelM.Walter (at) dlr.dehttps://orcid.org/0000-0001-5659-8716
Gentner, Christianchristian.gentner (at) dlr.dehttps://orcid.org/0000-0003-4298-8195
Sand, StephanStephan.Sand (at) dlr.dehttps://orcid.org/0000-0001-9502-5654
Date:2020
Journal or Publication Title:14th European Conference on Antennas and Propagation, EuCAP 2020
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
ISBN:978-883129900-8
Status:Published
Keywords:device-free localization, multipath propagation, diffraction, human body shadowing
Event Title:14th European Conference on Antennas and Propagation (EuCAP)
Event Location:Kopenhagen
Event Type:international Conference
Event Dates:15.-20. March 2020
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC KoFiF
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Schmidhammer, Martin
Deposited On:07 Dec 2020 17:27
Last Modified:07 Mar 2022 18:16

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