Poster: Identifying Multipath in Phase-Based Ranging Measurements Using Channel Sounding

Elin Eriksson, Walter Bronzi, Leah Strand, Alois Knoll

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Multipath is a common phenomenon that influences the accuracy of phase-based measurements. Distance estimation and positioning features are being increasingly integrated in many wireless standards to meet the growing need for indoor localization mechanisms. Previously used methods, such as RSSI ranging are not accurate enough, especially in multipath en-vironments. The Bluetooth SIG is currently working towards enabling high-Accuracy distance estimation between Bluetooth devices [1]. Although this approach is more advanced it is still highly affected by multi path fading which impacts accuracy. In this work, a method to detect multipath based on IQ data samples and machine learning is presented. The aim is to improve accuracy, especially for measurements inside a vehicle, for phase-based distance algorithms, or for labeling IQ data samples for supervised and semi-supervised machine learning tasks. The data used for these evaluations takes into account three different environments which have different multipath characteristics.

Original languageEnglish
Title of host publication2024 IEEE Vehicular Networking Conference, VNC 2024
EditorsSusumu Ishihara, Hiroshi Shigeno, Onur Altintas, Takeo Fujii, Raphael Frank, Florian Klingler, Tobias Hardes, Tobias Hardes
PublisherIEEE Computer Society
Pages271-272
Number of pages2
ISBN (Electronic)9798350362701
DOIs
StatePublished - 2024
Event15th IEEE Vehicular Networking Conference, VNC 2024 - Kobe, Japan
Duration: 29 May 202431 May 2024

Publication series

NameIEEE Vehicular Networking Conference, VNC
ISSN (Print)2157-9857
ISSN (Electronic)2157-9865

Conference

Conference15th IEEE Vehicular Networking Conference, VNC 2024
Country/TerritoryJapan
CityKobe
Period29/05/2431/05/24

Keywords

  • Bluetooth Channel Sounding
  • Indoor
  • Localization
  • Multipath
  • Vehicle

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