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Reception device and reception method

  • US 9,516,641 B2
  • Filed: 09/04/2014
  • Issued: 12/06/2016
  • Est. Priority Date: 02/15/2010
  • Status: Active Grant
First Claim
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1. A terminal apparatus comprising:

  • receiver which, in operation, receives configuration information indicative of an added or deleted component carrier from a base station apparatus, the configuration information including a carrier indicator field value (CIF value) allocated to a newly added component carrier and a component carrier identification index of the newly added component carrier, wherein at the base station apparatus, an unconfigured CIF value is allocated to the component carrier identification index of the newly added component carrier, with a correspondence relationship between CIF values and component carrier identification indexes maintained, when the new component carrier is added to one or more component carriers, each of the CIF values being used to label each of the one or more component carriers; and

    a setting circuitry which, in operation, corrects the correspondence relationship between CIF values and component carrier identification indexes based on the received configuration information,wherein when a part of the one or more component carriers is deleted, the configuration information indicates the component carrier identification index of the deleted component carrier and the setting circuitry deletes a CIF value corresponding to the deleted component carrier.

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