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Methods, apparatus and systems for performing multi-radio access technology carrier aggregation

  • US 9,271,290 B2
  • Filed: 11/23/2011
  • Issued: 02/23/2016
  • Est. Priority Date: 12/03/2010
  • Status: Active Grant
First Claim
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1. A method of managing carrier aggregation for a multi-radio access technology (RAT) wireless transmitter/receiver unit (WTRU), the method comprising:

  • configuring, by the WTRU, a single radio resource control (RRC) connection associated to a first state machine for managing a first radio connection that uses a RAT of a first type;

    associating, by the WTRU, the single RRC connection to a second state machine that manages a second radio connection that uses a RAT of a second type;

    receiving, by the WTRU over a primary channel associated with the RAT of the first type, provisioning information for provisioning a supplementary channel associated with the RAT of the second type;

    configuring the supplementary channel associated with the RAT of the second type based on the received provisioning information;

    maintaining, by the WTRU with a network entity, a communication of information using the single RRC connection via both the first and second radio connections; and

    sending, by the WTRU, a notification over the single RRC connection on condition that the second state machine has changed state.

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