Apparatus and method for transmitting/receiving activation indicator regarding component carrier in wireless communication system

  • US 8,538,411 B2
  • Filed: 10/29/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 10/30/2009
  • Status: Active Grant
First Claim
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1. A method for supporting activation/deactivation of serving cells by a user equipment (UE) in a wireless communication system, the method comprising:

  • receiving a medium access control (MAC) message from a base station (eNB);

    confirming by a logical channel identifier (LCID) that an indicator is included in the received MAC message, and confirming that the indicator indicates activation/deactivation of each of M serving cells configured in the UE by using a MAC control element (MAC CE) having a length corresponding to an integer multiple of 8 bits; and

    receiving a downlink control channel or a downlink data channel from the eNB or transmitting an uplink data channel to the eNB by using an activated serving cell based on the confirmed indicator.

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