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USER TERMINAL, RADIO BASE STATION APPARATUS, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

  • US 20140133434A1
  • Filed: 07/13/2012
  • Published: 05/15/2014
  • Est. Priority Date: 07/15/2011
  • Status: Active Grant
First Claim
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1. A radio communication system comprising:

  • a radio base station apparatus comprising;

    an allocation section that allocates downlink control information in a first control region from a top of a radio frame to a predetermined OFDM symbol and in a second control region that is frequency-divided with a data region in a region that is time-divided with the first control region, and also allocates decoding control information that indicates a user terminal to perform a decoding process for the second control region, in the first control region; and

    a transmission section that transmits the downlink control information and the decoding control information; and

    a user terminal comprising;

    a receiving section that receives the downlink control information and the decoding control information from the radio base station apparatus; and

    a decoding section that controls a decoding process for the second control region based on the decoding control information received.

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