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MONITORING CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM

  • US 20090238091A1
  • Filed: 03/19/2009
  • Published: 09/24/2009
  • Est. Priority Date: 03/20/2008
  • Status: Active Grant
First Claim
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1. A method of monitoring a physical downlink control channel (PDCCH) in a wireless communication system, carried in a user equipment, the method comprising:

  • acquiring a starting location of a search space in a control region of a subframe k, the control region comprising a set of contiguous control channel elements (CCEs) numbered from 0 to NCCE,k

    1, where NCCE,k is the total number of CCEs in the control region of the subframe k,wherein the search space is defined by a set of PDCCHs at each aggregation level, the each aggregation level indicating an aggregation of contiguous CCEs,wherein the starting location corresponding to a CCE index is defined by the multiple of the aggregation level in the control region; and

    monitoring the set of PDCCHs from the starting location in the search space at the each aggregation level.

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