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Mobile communication system, mobile station, base station, and control channel allocation method

  • US 8,014,803 B2
  • Filed: 11/10/2006
  • Issued: 09/06/2011
  • Est. Priority Date: 11/11/2005
  • Status: Expired due to Fees
First Claim
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1. A mobile communication system including a mobile station and a base station, wherein:

  • the mobile station comprisesa storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a frequency block number for an uplink Layer-1 control channel and to store the identifier and the frequency block number;

    a physical layer parameter determining unit configured to determine a physical channel parameter including the frequency block number for the uplink Layer-1 control channel based on the identifier;

    an uplink Layer-1 control channel generating unit configured to generate the uplink Layer-1 control channel used for transmitting a result of decoding data on the data channel based on the determined physical channel parameter; and

    a transmitting unit configured to transmit control information on the generated uplink Layer-1 control channel; and

    the base station comprisesa storage unit configured to establish a correspondence between the identifier for the downlink Layer-1 control channel associated with the downlink data channel and the frequency block number for the uplink Layer-1 control channel and to store the identifier and the frequency block number;

    a reception quality measuring unit configured to measure reception quality on an uplink propagation path based on a signal transmitted from the mobile station;

    a downlink Layer-1 control channel generating unit configured to select the physical channel parameter including the frequency block number for the uplink Layer-1 control channel based on the reception quality on the uplink propagation path and generate the downlink Layer-1 control channel associated with the downlink data channel corresponding to the frequency block number; and

    a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel.

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