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Service discovery methods

  • US 8,719,384 B2
  • Filed: 07/09/2009
  • Issued: 05/06/2014
  • Est. Priority Date: 07/11/2008
  • Status: Active Grant
First Claim
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1. A method for service discovery, comprising:

  • receiving a first service advertisement by a first device, the first service advertisement including at least a service of a second device;

    updating a service directory of the first device to include the service of the second device;

    broadcasting a beacon including an information element, the information element including at least a Media Access Control (MAC) address of the second device and a service discovery protocol data unit (SPDU) including at least a service attribute of the service of the second device, for a second service advertisement by the first device, the second service advertisement including at least the service of the second device, wherein the second service advertisement is used by a third device to effect use of the service of the second andidentifying physical location of the second device from common attributes of a root service class, the at least the service attribute of the service of the second device being defined as an attribute of a sub-class of the root service class.

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