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Terminal apparatus and communication method for setting appropriate uplink transmit power for an uplink signal based on detecing a DCI

  • US 10,321,411 B2
  • Filed: 05/10/2017
  • Issued: 06/11/2019
  • Est. Priority Date: 08/02/2011
  • Status: Active Grant
First Claim
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1. A terminal apparatus comprising:

  • reception circuitry configured to receive, via a higher layer signal, a first parameter set for uplink power control and a second parameter set for the uplink power control; and

    transmission circuitry configured to transmit an uplink signal including at least one of a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH), and a sounding reference signal (SRS);

    wherein,in a case that a first cell of a first base station and a second cell of a second base station are configured, the transmission circuitry is further configured to;

    set a transmit power for the uplink signal based on the first parameter set, in a first case that the reception circuitry receives a first downlink control information (DCI) format from the first base station; and

    set the transmit power based on the second parameter set, in a second case that the reception circuitry receives a second DCI format from the second base station, andeach of the first parameter set and the second parameter set includes at least a first type parameter for the PUSCH, a second type parameter for the PUCCH, and a third type parameter for the SRS.

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