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Method and apparatus for allocating control channel in wireless communication system

  • US 9,544,107 B2
  • Filed: 10/26/2012
  • Issued: 01/10/2017
  • Est. Priority Date: 10/26/2011
  • Status: Active Grant
First Claim
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1. A method for allocating a control channel in a wireless communication system, the method comprising:

  • allocating an enhanced physical downlink control channel (e-PDCCH); and

    transmitting a scheduling assignment through the allocated e-PDCCH,wherein the allocating the e-PDCCH comprises;

    when an enhanced control channel element (CCE) aggregation level of a corresponding e-PDCCH format is below a predetermined value, allocating the e-PDCCH to a localized region which is contiguously configured in a frequency domain, or a distributed region which is dispersedly configured in the frequency domain; and

    when the e-CCE aggregation level is not below the predetermined value, allocating the e-PDCCH to only to the distributed region.

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