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Supporting device-to-device communication in a rich communication service context

  • US 10,028,204 B2
  • Filed: 03/15/2013
  • Issued: 07/17/2018
  • Est. Priority Date: 08/24/2012
  • Status: Active Grant
First Claim
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1. A method for a first mobile device, the method comprising:

  • sending, from the first mobile device to a network node, first device-to-device capability information for the first mobile device, the first device-to-device capability information including operating parameters for the first mobile device to wirelessly communicate directly with another device, wherein the first device-to-device capability information includes an indicator indicating whether the first mobile device is able to discover one or more other devices in proximity to the first mobile device using proximity discovery based on device-to-device radio signals, and the first device-to-device capability information also includes communication capability information of the first mobile device, the communication capability information of the first mobile device including a first radio access technology (RAT) through which the first mobile device is able to directly communicate with another device;

    receiving, from the network node, second device-to-device capability information for a second mobile device associated with a contact stored in the first mobile device, the second device-to-device capability information including parameters for the second mobile device to wirelessly communicate directly with another device, wherein the second device-to-device capability information includes an indicator indicating whether the second mobile device permits one or more other devices to discover the second mobile device using proximity discovery based on device-to-device radio signals, and the second device-to-device capability information also includes communication capability information of the second mobile device, the communication capability information of the second mobile device including a second RAT through which the second mobile device is able to directly communicate with another device;

    storing the second device-to-device capability information for the second mobile device in an address book in the first mobile device;

    determining, at the first mobile device, based on the second device-to-device capability information stored in the address book and the first device-to-device capability information, whether the second mobile device is discoverable by the first mobile device and whether the first RAT matches the second RAT;

    in response to determining that the second mobile device is discoverable by the first mobile device and that the first RAT matches the second RAT, determining, by the first mobile device, whether the second mobile device is in proximity to the first mobile device using the first RAT; and

    in response to determining that the second mobile device is in proximity to the first mobile device, setting an indicator in the address book of the first mobile device to indicate that a proximity service associated with the second mobile device is available,wherein the proximity service involves the first mobile device to establish a device-to-device communication link to directly communicate media file sharing with the second mobile device.

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