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Method and system for performing mobile RFID asset detection and tracking

  • US 8,477,013 B2
  • Filed: 08/31/2007
  • Issued: 07/02/2013
  • Est. Priority Date: 08/31/2006
  • Status: Expired due to Fees
First Claim
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1. A method for inferring relative locations of assets within a prescribed region, the method comprising:

  • (a) providing a prescribed region having a plurality of assets disposed within said prescribed region and whose relative locations within said prescribed region are unknown;

    (b) disposing a first wireless communication beacon device within said prescribed region at a first location and disposing a second wireless communication beacon at a second location within said prescribed region, different from said first location, said disposing of said first and second wireless communication beacon devices defining a sub-region of said prescribed region that is located between said first and second wireless communication beacon devices;

    (c) associating respective wireless communication devices with each one of said plurality of assets to form a plurality of wireless communication asset tracking devices;

    (d) traversing said prescribed region to wirelessly detect said wireless communication beacon devices and at least one of said wireless communication asset tracking devices, said traversing comprising wirelessly detecting said first wireless communication beacon device, followed by detecting one or more wireless communication asset tracking devices, followed by detecting said second wireless communication beacon device; and

    (e) inferring that the relative locations of said one or more wireless communication asset tracking devices are within said sub-region.

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