System and method for sharing a control channel for carrier aggregation

  • US 10,904,870 B2
  • Filed: 08/11/2017
  • Issued: 01/26/2021
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A method for processing a control channel at user equipment (UE) in a multi-carrier communication system, the method comprising:

  • receiving an activation signal;

    determining whether a first carrier and a second carrier are active or deactivated based on the activation signal, wherein;

    the first carrier is an uplink carrier,the second carrier is a downlink carrier, andthe first and second carriers are a pair of uplink and downlink carriers configured in the multi-carrier communication system; and

    responsive to a determination that the first carrier is active and the second carrier is deactivated,decoding first control channel element (CCE) subset candidates associated with the first carrier to identify a resource grant, anddetermining not to decode second CCE subset candidates associated with the second carrier.

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