Base station apparatus, terminal apparatus, and communication method for improving communication performance using multiple frame formats

A base station apparatus for communicating with a terminal apparatus,

• the base station apparatus comprising transmission circuitry configured notify an instruction related to at least one of a plurality of numerologies and control information related to transmit power control of the terminal apparatus in a serving cell with transmit power parameter sets corresponding to different numerologies, wherein
• the control information includes at least one of a maximum allowable transmit power of the terminal apparatus, an allocated radio resource amount to the terminal apparatus, a target received power in the base station apparatus of the terminal apparatus, a propagation loss estimate performed by the terminal apparatus, a coefficient for compensation of the propagation loss estimate, a modulation scheme of the terminal apparatus, and an error of the terminal apparatus in the transmit power control,
• the at least one information included in the control information is set for each of the plurality of numerologies, and
• the cycle in which the transmission circuitry is configured to notify the control information is determined based on the one of the plural number of numerologies associated with at least part of the information included in the control information.

A communication method of a terminal apparatus for communicating with a base station apparatus, comprising:

• receiving information indicating a plurality of numerologies;
• performing transmit power control using a value set corresponding to one of the plurality of numerologies relating to at least one of a maximum allowable transmit power, an allocated radio resource amount, a target received power in the base station apparatus, a propagation loss estimate performed by the terminal apparatus, a coefficient for compensation of the propagation loss estimate, a modulation scheme, and an error in the transmit power control;
• generating a transmit signal based on the one of the plurality of numerologies and the transmit power control and transmitting the transmit signal in a serving cell with transmit power parameter sets corresponding to different numerologies,
• wherein a radio resource amount allocated to the terminal apparatus is set based on a predetermined radio resource unit.