×

GROUP SECURITY IN MACHINE-TYPE COMMUNICATION

  • US 20130086668A1
  • Filed: 08/01/2011
  • Published: 04/04/2013
  • Est. Priority Date: 08/05/2010
  • Status: Active Grant
First Claim
Patent Images

1. A communication apparatus which is connected to a network and a plurality of communication terminals comprising:

  • a group information sending unit which sends group information which is received from the network;

    an access control unit which receives a reply from the communication terminal which responded to the group information and for sending the reply to the network; and

    a temporary identifier and group key sending unit which sends a temporary identifier and a group key to the communication terminal which responded to the group information, when the communication apparatus received the temporary identifier and the group key from the network.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×