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Communication terminal and base station communication method using MAC control information priorities and SRB priorities

  • US 8,396,081 B2
  • Filed: 01/30/2009
  • Issued: 03/12/2013
  • Est. Priority Date: 02/01/2008
  • Status: Active Grant
First Claim
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1. A communication terminal for communicating with a base station in accordance with a defined procedure, the communication terminal comprising:

  • a priority control section configured to define a relationship between MAC (Medium Access Control) priorities, which are respectively assigned to a plurality of MAC control information elements, and radio bearer (RB) priorities respectively assigned to a DRB (Data Radio Bearer) and each of a plurality of SRBs (Signalling Radio Bearers), wherein the plurality of SRBs convey RRC (Radio Resource Control) messages or NAS (Non-Access Stratum) messages, the priority control section being further configured to compare the MAC priorities with the RB priorities of the SRBs; and

    a transmission message generation section configured to control transmission of information so as to transmit information on an SRB having a higher RB priority earlier than a MAC control information element having a lower MAC priority in accordance with the relationship between the MAC and RB priorities defined by the priority control section.

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