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Persistent homology approach for human presence detection from 60 GHz OTFS transmissions

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  • Additional Information
    • Publisher Information:
      MDPI 2023-02-16
    • Abstract:
      Orthogonal Time Frequency Space (OTFS) is a new, promising modulation waveform candidate for the next generation integrated sensing and communication (ISAC) systems, providing the environment-awareness capabilities together with high speed wireless data communications. This paper presents original results of OTFS-based person monitoring measurements in the 60 GHz millimeter-wave frequency band under realistic conditions, without the assumption of an integer ratio between the actual delays and Doppler shifts of the reflected components and the corresponding resolution of the OTFS grid. As the main contribution of the paper, we propose the use of the persistent homology technique as a method for processing of gathered delay-Doppler responses. We highlight the advantages of persistence homology approach over the standard constant false alarm rate target detector for selected scenarios.
    • Subject Terms:
      OTFS; millimeter-waves; persistent homology; CFAR; person detection
    • Availability:
      Open access content. Open access content
      http://creativecommons.org/licenses/by/4.0
      openAccess
      http://www.sherpa.ac.uk/romeo/issn/1424-8220
      Creative Commons Attribution 4.0 International
    • Note:
      4
      23
      English
    • Other Numbers:
      CZBUT oai:https://dspace.vut.cz:11012/213553
      SENSORS. 2023, vol. 23, issue 4, p. 1-17.
      1424-8220
      181670
      10.3390/s23042224
      0000-0003-2926-5507
      0000-0003-4005-8349
      0000-0002-4219-9957
      0000-0002-8495-8069
      0000-0001-7435-7537
      1426346418
    • Contributing Source:
      BRNO UNIV OF TECHNOL
      From OAIster®, provided by the OCLC Cooperative.
    • Accession Number:
      edsoai.on1426346418
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