[en] Because of the near-field nature of radio propagation, spherical wave-front and multipath effect are prominent in indoor scenarios, making localization even more difficult. In this paper, we propose a three-dimensional (3D) indoor localization algorithm that takes these issues into account. Specifically, we first adopted a high-resolution channel parameter estimation method for path delays based on the Space-Alternating Generalized Expectation-maximization (SAGE), and then these path delays are adopted in the 3D localization principles based on the target-antenna geometry. The proposed algorithm is validated by numerical simulations, where the channel data is generated by the propagation graph (PG) to model the true wireless propagation closely in the testing scenarios. The results demonstrate that the proposed approach can deal with both point and non-point targets with 3D localization errors of less than 30 cm for 97% of the testing trails in a 10×20×3 m3 indoor space.
Centre de recherche :
- Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SPARC- Signal Processing Applications in Radar and Communications
Disciplines :
Ingénierie électrique & électronique
Auteur, co-auteur :
LIU, Yuan ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
WU, Linlong ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
ALAEEKERAHROODI, Mohammad ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
MYSORE RAMA RAO, Bhavani Shankar ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
Co-auteurs externes :
no
Langue du document :
Anglais
Titre :
A 3D Indoor Localization Approach Based on Spherical Wave-front and Channel Spatial Geometry
Date de publication/diffusion :
juin 2022
Nom de la manifestation :
2022 IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM)
Organisateur de la manifestation :
IEEE signal processing society
Lieu de la manifestation :
Trondheim, Norvège
Date de la manifestation :
from 20-06-2022 to 23-06-2022
Manifestation à portée :
International
Titre de l'ouvrage principal :
2022 IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM)
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