A terminal device configured to perform communication with a base station device, the terminal device comprising: a downlink control channel detection unit configured to receive a physical downlink control channel and an enhanced physical downlink control channel; and a higher-layer control information acquisition unit configured to acquire information indicating an enhanced physical downlink control channel region for monitoring the enhanced physical downlink control channel and information indicating whether the enhanced physical downlink control channel region is for localized transmission or for distributed transmission, wherein the enhanced physical downlink control channel region is composed of a plurality of resource block pairs, each of the plurality of resource block pairs is divided in frequency and/or time into multiple partial physical resource block pairs, each of the multiple partial physical resource block pairs is divided in time and frequency into K sub-portions, the number K being a natural number larger than 1, the enhanced physical downlink control channel is composed of an aggregation of an aggregation level of enhanced physical downlink control channel logical resource elements, wherein mapping a plurality of enhanced physical downlink control channel logical resource elements for the distributed transmission to a plurality of partial physical resource block pairs comprises dividing each of the plurality of enhanced physical downlink control channel logical resource elements in frequency and time into K sub-elements, a k-th sub-element among the K sub-elements obtained by dividing one of the plurality of enhanced physical downlink control channel logical resource elements is mapped to a m-th sub-portion among the K sub-portions obtained by dividing one of the plurality of partial physical resource block pairs, and the number k is identical to the number m. a downlink control channel detection unit configured to receive a physical downlink control channel and an enhanced physical downlink control channel; and a higher-layer control information acquisition unit configured to acquire information indicating an enhanced physical downlink control channel region for monitoring the enhanced physical downlink control channel and information indicating whether the enhanced physical downlink control channel region is for localized transmission or for distributed transmission, wherein the enhanced physical downlink control channel region is composed of a plurality of resource block pairs, each of the plurality of resource block pairs is divided in frequency and/or time into multiple partial physical resource block pairs, each of the multiple partial physical resource block pairs is divided in time and frequency into K sub-portions, the number K being a natural number larger than 1, the enhanced physical downlink control channel is composed of an aggregation of an aggregation level of enhanced physical downlink control channel logical resource elements, wherein mapping a plurality of enhanced physical downlink control channel logical resource elements for the distributed transmission to a plurality of partial physical resource block pairs comprises dividing each of the plurality of enhanced physical downlink control channel logical resource elements in frequency and time into K sub-elements, a k-th sub-element among the K sub-elements obtained by dividing one of the plurality of enhanced physical downlink control channel logical resource elements is mapped to a m-th sub-portion among the K sub-portions obtained by dividing one of the plurality of partial physical resource block pairs, and the number k is identical to the number m.