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Receiving control information through PDCCH

  • US 9,814,033 B2
  • Filed: 09/12/2016
  • Issued: 11/07/2017
  • Est. Priority Date: 02/19/2008
  • Status: Active Grant
First Claim
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1. A user equipment (UE) for decoding control information, the UE comprising:

  • a receiver configured to receive control information through a Physical Downlink Control Channel (PDCCH) at a subframe k;

    a decoder configured to monitor a set of PDCCH candidates for the received control information, the set of PDCCH candidates being defined in terms of search spaces,wherein;

    the decoder is configured to monitor a UE-specific search space of the PDCCH, among the search spaces, at multiple levels of control channel elements (CCEs),the CCE is a resource unit including a number of resource elements for transmission of the control information,the UE-specific search space is given based on a variable of Yk for the subframe k defined by;

    Yk=(A*Yk-1) mod D, where A and D are predetermined values, andYk in the subframe k is based on an UE identifier.

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