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Metric for evaluating indoor positioning systems

  • US 10,555,132 B2
  • Filed: 06/23/2017
  • Issued: 02/04/2020
  • Est. Priority Date: 06/23/2017
  • Status: Active Grant
First Claim
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1. An apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to at least perform:

  • obtaining a plurality of fingerprints, wherein each fingerprint comprises signal strengths of one or more radio nodes indicative of a piece of position information, and wherein each fingerprint is obtained in a venue;

    determining a first metric based at least partially on the obtained plurality of fingerprints, wherein the first metric is indicative of a quality value of the obtained plurality of fingerprints, wherein the first metric indicates for each piece of position information of the plurality of fingerprints whether or not the quality and/or a quantity of the obtained fingerprints with respect to the piece of position information is sufficient;

    determining a second metric based at least partially on the obtained plurality of fingerprints, wherein the second metric is indicative of a quality value of an infrastructure of the venue for indoor position detection and/or floor detection using the signal strengths of the one or more radio nodes, wherein the plurality of fingerprints are obtained from the one or more radio nodes comprised by the infrastructure, and wherein the second metric indicates for each of the pieces of position information of each of the respective fingerprints whether or not the quality of the infrastructure is sufficient; and

    based on one or more of the first or second metrics, outputting a visualization that includes a textual expression indicating a suggested action associated with collection of additional radio data, the additional radio data to be used as basis for the indoor position detection and/or the floor detection within the venue,wherein the textual expression indicating the suggested action comprises the textual expression indicating one or more of (i) an area within the venue at which the additional radio data should be collected or (ii) an area within the venue at which additional infrastructure should be deployed.

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