Accurate Direct Positioning in Distributed MIMO Using Delay-Doppler Channel Measurements

Benjamin Deutschmann*, Christian Nelson, Mikael Henriksson, Gian Marti, Alva Kosasih, Nuutti Tervo, Erik Leitinger, Fredrik Tufvesson

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung

Abstract

Distributed multiple-input multiple-output (DMIMO) is a promising technology for simultaneous communication and positioning. However, phase synchronization between multiple access points in D-MIMO is challenging and methods that function without the need for phase synchronization are highly desired. Therefore, we present a method for D-MIMO that performs direct positioning of a moving device based on the delay-Doppler characteristics of the channel state information (CSI). Our method relies on particle-filter-based Bayesian inference with a state-space model. We use recent measurements from a sub-6 GHz D-MIMO OFDM system in an industrial environment to demonstrate near-centimeter accuracy under partial line-of-sight (LoS) conditions and decimeter accuracy under fully obstructed LoS.

Originalspracheenglisch
Titel2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024
Herausgeber (Verlag)IEEE
Seiten606-610
Seitenumfang5
ISBN (elektronisch)9798350393187
DOIs
PublikationsstatusVeröffentlicht - 7 Okt. 2024
Veranstaltung25th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024 - Lucca, Italien
Dauer: 10 Sept. 202413 Sept. 2024
https://spawc2024.org/

Publikationsreihe

NameIEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
ISSN (Print)2325-3789

Konferenz

Konferenz25th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024
Land/GebietItalien
OrtLucca
Zeitraum10/09/2413/09/24
Internetadresse

ASJC Scopus subject areas

  • Elektrotechnik und Elektronik
  • Angewandte Informatik
  • Information systems

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