Base station apparatus, terminal apparatus, communication method, and integrated circuit
The present invention includes a receiver configured to receive first information, the first information including information for configuring whether transform precoding for a physical uplink shared channel is enabled, and a transmitter configured to transmit information indicating a first power headroom level for the physical uplink shared channel with the transform precoding enabled and information indicating a second power headroom level for the physical uplink shared channel with the transform precoding not enabled.
1. A terminal device comprising:
higher layer processing circuitry configured to receive first information and second information;
reception circuitry configured to receive downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and
control circuitry configured to compute a power headroom, wherein
the first information includes information to configure a plurality of sounding reference signal (SRS) resources,
the second information is information to configure a plurality of parameters to determine transmission power,
the DCI includes information to indicate one of the plurality of the SRS resources, and information on scheduling of a physical uplink shared channel (PUSCH),
the power headroom is computed,
by a first parameter included in the plurality of parameters to determine transmission power in a case of an actual transmission of the PUSCH, and
by a second parameter included in the plurality of parameters to determine transmission power in a case of a reference format,
the reference format is used to calculate power headroom not based on a PUSCH resource allocation bandwidth, and
the first parameter is associated with the information to indicate the one of the plurality of the SRS resources in the DCI.
2. A base station apparatus comprising:
higher layer processing circuitry configured to transmit first information and second information;
transmission circuitry configured to transmit downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and
reception circuitry configured to receive a power headroom, wherein
the first information includes information to configure a plurality of sounding reference signal (SRS) resources,
the second information is information to configure a plurality of parameters to determine transmission power,
the DCI includes information to indicate one of the plurality of the SRS resources, and information on scheduling of a physical uplink shared channel (PUSCH), the power headroom is computed,
by a first parameter included in the plurality of parameters to determine transmission power in a case of an actual transmission of the PUSCH, and
by a second parameter included in the plurality of parameters to determine transmission power in a case of a reference format,
the reference format is used to calculate power headroom not based on a PUSCH resource allocation bandwidth, and
the first parameter is associated with the information to indicate the one of the plurality of the SRS resources in the DCI.
3. A communication method for a terminal device, the communication method comprising:
receiving first information and second information;
receiving downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and
computing a power headroom, wherein
the first information includes information to configure a plurality of sounding reference signal (SRS) resources,
the second information is information to configure a plurality of parameters to determine transmission power,
the DCI includes information to indicate one of the plurality of the SRS resources, and information on scheduling of a physical uplink shared channel (PUSCH),
the power headroom is computed,
by a first parameter included in the plurality of parameters to determine transmission power in a case of an actual transmission of the PUSCH, and
by a second parameter included in the plurality of parameters to determine transmission power in a case of a reference format,
the reference format is used to calculate power headroom not based on a PUSCH resource allocation bandwidth, and
the first parameter is associated with the information to indicate the one of the plurality of the SRS resources in the DCI.
4. A communication method for a base station apparatus, the communication method comprising:
transmitting first information and second information;
transmitting downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and
receiving a power headroom, wherein
the first information includes information to configure a plurality of sounding reference signal (SRS) resources,
the second information is information to configure a plurality of parameters to determine transmission power,
the DCI includes information to indicate one of the plurality of the SRS resources, and information on scheduling of a physical uplink shared channel (PUSCH),
the power headroom is computed,
by a first parameter included in the plurality of parameters to determine transmission power in a case of an actual transmission of the PUSCH, and
by a second parameter included in the plurality of parameters to determine transmission power in a case of a reference format,
the reference format is used to calculate power headroom not based on a PUSCH resource allocation bandwidth, and
the first parameter is associated with the information to indicate the one of the plurality of the SRS resources in the DCI.