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Method, apparatus, and computer program product for short-range communication based direction finding

  • US 8,929,192 B2
  • Filed: 01/25/2012
  • Issued: 01/06/2015
  • Est. Priority Date: 01/25/2012
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • transmitting by a target device, information in one or more Bluetooth LE advertising packets, including preferences of the target device for using data signing associated with direction finding;

    receiving by the target device from a tracker device, one or more direction finding request packets including a request for data signing corresponding with the target device preferences and a data signature of the tracker device included in at least one of the one or more direction finding request packets;

    generating by the target device, a data signature of the target device; and

    broadcasting by the target device to the tracker device, one or more Bluetooth LE advertising packets, including a packet type indication that the packet is a direction finding packet, the packet including the data signature and direction finding data for at least one of an angle of arrival of angle (AoA) and angle of departure (AoD) estimation of the packet.

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