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Method and apparatus for monitoring for radio link failure

  • US 10,271,232 B2
  • Filed: 10/31/2016
  • Issued: 04/23/2019
  • Est. Priority Date: 03/12/2009
  • Status: Active Grant
First Claim
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1. A method of performing radio link monitoring, which is implemented by a wireless transmit/receive unit (WTRU), the method comprising:

  • operating with (1) a plurality of component carriers including a primary component carrier (PCC) and (2) at least one secondary component carrier, wherein one of the at least one secondary component carrier is configured as a special component carrier;

    monitoring out-of-sync indications of the PCC and out-of-sync indications of the special component carrier;

    detecting whether a radio link failure of the special component carrier has occurred; and

    sending a notification including measurement information associated with any of the carriers the WTRU is operating with and information associated with the radio link failure of the special component carrier to an evolved Node B (eNB) on condition that the radio link failure of the special component carrier has occurred.

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