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Physical Downlink Control Channel Design for NR Systems

  • US 20180279135A1
  • Filed: 03/21/2018
  • Published: 09/27/2018
  • Est. Priority Date: 03/22/2017
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a control signal from a base station by a user equipment (UE) to determine a set of received physical resource blocks (PRBs) and a set of OFDM symbols that carry downlink control information;

    determining a set of candidate physical downlink control channels (PDCCHs) within the set of PRBs, wherein each PDCCH is associated with a set of control channel elements (CCEs) for PDCCH transmission;

    collecting a plurality of resource element groups (REGs) for each CCE, wherein each CCE comprises a number of REGs based on an REG-to-CCE mapping, and wherein each REG is indexed by a frequency first or by a time first REG indexing manner; and

    decoding the downlink control information that are mapped to the collected REGs.

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