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Power-aware tiered geofencing and beacon watchlists

  • US 8,810,454 B2
  • Filed: 10/13/2011
  • Issued: 08/19/2014
  • Est. Priority Date: 10/13/2011
  • Status: Active Grant
First Claim
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1. A system for power-aware tiered geofencing, said system comprising:

  • a memory area associated with a mobile computing device, said memory area storing accuracy thresholds each associated with at least one of a plurality of positioning modalities; and

    a first processor programmed to disable a second processor, wherein the first processor consumes less power when operating than the second processor, and wherein the first processor is further programmed to perform the following operations while the second processor is disabled;

    determine a distance from the mobile computing device to a geofence using one of the positioning modalities;

    compare the determined distance with the accuracy threshold associated with said one of the positioning modalities;

    select at least one of the plurality of positioning modalities based on the comparison; and

    enable the second processor based on the selected positioning modality, wherein the mobile computing device implements the selected positioning modality to detect one or more beacons.

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