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Terminal device, management device, storage medium adapted for communication between multiple terminal devices within a group

  • US 10,531,300 B2
  • Filed: 09/28/2016
  • Issued: 01/07/2020
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A terminal device used in a communication system where a group including a plurality of terminal devices is formed and communication is performed by using at least one base station device to assign a channel to each group, the terminal device comprising:

  • an authentication processing unit that performs an authentication process for authenticating a user using the terminal device when a predetermined user operation is performed;

    a reception unit that receives information on a situation of authentication of a plurality of terminal devices belonging to an ordinary group from the base station device,wherein the terminal device belongs to the ordinary group, andwherein both a terminal device for which user authentication is completed and a terminal device for which user authentication is not completed being allowed to subscribe to the ordinary group;

    a selection unit that selects at least one of;

    (i) only the ordinary group, the ordinary group being selected when the authentication processing unit has not completed an authentication process for authenticating a user using the terminal device, or(ii) one of an authenticated group, formed only by terminal devices for which an authentication process for authenticating a user is completed in the authentication processing unit, and the ordinary group, as a destination of transmission; and

    a transmission unit that transmits data via a channel assigned by the base station device to terminal devices belonging to the group selected by the selection unit.

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