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Multi Detector Fusion of Dynamic TOA Estimation using Kalman Filter
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-4265-9490
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0001-7450-8681
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-2718-0262
2016 (English)Conference paper, Published paper (Other academic)
Abstract [en]

In this paper, we propose fusion of dynamic TOA (time of arrival) from multiple non-coherent detectors like energy detectors operating at sub-Nyquist rate through Kalman filtering. We also show that by using multiple of these energy detectors, we can achieve the performance of a digital matched filter implementation in the AWGN (additive white Gaussian noise) setting. We derive analytical expression for number of energy detectors needed to achieve the matched filter performance. We demonstrate in simulation the validity of our analytical approach. Results indicate that number of energy detectors needed will be high at low SNRs and converge to a constant number as the SNR increases. We also study the performance of the strategy proposed using IEEE 802.15.4a CM1 channel model and show in simulation that two sub-Nyquist detectors are sufficient to match the performance of digital matched filter.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016.
Keyword [en]
Time of arrival (TOA), ultra wideband (UWB), UWB ranging
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-181490DOI: 10.1109/ICC.2016.7511611Scopus ID: 2-s2.0-84981333292ISBN: 978-147996664-6 (print)OAI: oai:DiVA.org:kth-181490DiVA: diva2:899581
Conference
2016 IEEE International Conference on Communications, ICC 2016
Note

QS 20160318

QC 20161215

Available from: 2016-02-02 Created: 2016-02-02 Last updated: 2016-12-15Bibliographically approved

Open Access in DiVA

fulltext(254 kB)68 downloads
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Publisher's full textScopushttp://arxiv.org/abs/1501.00406v1

Authority records BETA

Yajanarayana, Vijaya

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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Language
  • de-DE
  • en-GB
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  • Other locale
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