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Apparatus and method for increasing accuracy of location determination of mobile devices within a location-based group

  • US 9,906,915 B2
  • Filed: 08/23/2017
  • Issued: 02/27/2018
  • Est. Priority Date: 07/02/2013
  • Status: Active Grant
First Claim
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1. A method of increasing accuracy of a location determination of mobile devices within a location-based subgroup comprising:

  • receiving, by a processor, location data and proximity information from each of a plurality of mobile devices, respectively, wherein the location data received from a first mobile device includes a fixed location of the first mobile device and the proximity information received from the first mobile device includes an identification of mobile devices that are within a proximity sensor accuracy limit of the first mobile device, wherein the proximity sensor accuracy limit is an area defined by a proximity sensor having a proximity sensitivity radius included in the first mobile device, wherein the plurality of mobile devices includes the first mobile device;

    selecting at least one mobile device included in the plurality of mobile devices that has provided proximity information that identifies the first mobile device as being within the proximity sensor accuracy limit of the selected at least one mobile device; and

    refining, by the processor, the fixed location of the first mobile device to generate a refined location of the first mobile device, wherein refining the fixed location includes identifying an intersection of the proximity sensor accuracy limit of the selected at least one mobile device.

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