System and method for sharing a control channel for carrier aggregation

  • US 10,616,873 B2
  • Filed: 08/11/2017
  • Issued: 04/07/2020
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A method for processing a control channel at a user agent (UA) in a multi-carrier communication system, the method comprising:

  • receiving, on a first carrier, an activation signal specifying a second carrier among a plurality of carriers;

    activating the second carrier based on the activation signal, wherein a first group of control channel elements (CCEs) corresponding to the first carrier and a second group of CCEs corresponding to the second carrier are on the first carrier;

    determining a starting CCE of the second group of CCEs to be offset from a starting CCE of the first group of CCEs by an offset number of CCEs; and

    decoding downlink control information (DCI) for the second carrier based on the offset number of CCEs.

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