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Mobile station apparatus, mobile communication and communication method using search space to transmit and decode PDCCH

  • US 9,590,778 B2
  • Filed: 11/10/2014
  • Issued: 03/07/2017
  • Est. Priority Date: 04/24/2008
  • Status: Active Grant
First Claim
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1. A mobile communication system comprising:

  • a base station; and

    a mobile station communicating with the base station,wherein the base station is configured to transmit, to the mobile station, a physical downlink control channel (PDCCH) in a search space, the search space comprising a plurality of resource elements, the search space corresponding to a cell-radio network temporary identity (C-RNTI) for dynamic scheduling, the PDCCH transmitted by the base station in the search space including both a C-RNTI for persistent scheduling and resource allocation information, andwherein the mobile station is configured to;

    search for the PDCCH in the search space, the search space being located by the mobile station according to the C-RNTI for dynamic scheduling;

    decode the PDCCH according to the C-RNTI for persistent scheduling, when the mobile station has both the C-RNTI for dynamic scheduling and the C-RNTI for persistent scheduling, anddetermine to deactivate scheduling of data transmission on persistently-allocated resources, with consideration of a value of the resource allocation information, when the PDCCH includes the C-RNTI for persistent scheduling.

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