USER TERMINAL, RADIO BASE STATION AND RADIO COMMUNICATION METHOD

摘要

The present invention is designed to realize dynamic TDD that is based on TDD-FDD CA. A user terminal, by employing carrier aggregation or dual connectivity, performs radio communication via a plurality of cells including a primary cell, which is an FDD cell, and a secondary cell, which is a dynamic TDD cell, and has a receiving section that receives control information transmitted from the primary cell, and a cell-specific downlink signal transmitted from the dynamic TDD cell, and a control section that decides whether one or a plurality of subframes in the dynamic TDD cell are uplink subframes or downlink subframes based on the control information, and controls operations with respect to the dynamic TDD cell, and the control section executes control so that a subframe to receive the cell-specific downlink signal from the dynamic TDD cell and a subframe to retransmit uplink data are different.

主权项

1. A user terminal that, by employing carrier aggregation or dual connectivity, performs radio communication via a plurality of cells including a primary cell, which is an FDD cell, and a secondary cell, which is a dynamic TDD cell, the user terminal comprising:
a receiving section that receives control information transmitted from the primary cell, and a cell-specific downlink signal transmitted from the dynamic TDD cell; and a control section that decides whether one or a plurality of subframes in the dynamic TDD cell are uplink subframes or downlink subframes based on the control information, and controls operations with respect to the dynamic TDD cell, wherein the control section executes control so that a subframe to receive the cell-specific downlink signal from the dynamic TDD cell and a subframe to retransmit uplink data are different.