| 摘要 |
PROBLEM TO BE SOLVED: To provide an integrated circuit that can reduce the probability that the presence or absence of SRS transmission between a base station and a terminal or any difference in recognition of an SRS resource occurs, thereby preventing deterioration of the system through-put.SOLUTION: At a terminal (200), a reception processor d(203) detects control information as to whether transmission of a sounding reference signal (SRS) is requested or not, and a transmission signal forming part (207) transmits A-SRS under the control of a transmission controller (206) on the basis of the control information. The transmission controller (206) determines whether SRS transmission is executed or not on the basis of "SRS transmission execution rule" and the reception condition of trigger information. For example, the "SRS transmission execution rule" means that SRS is transmitted according to allocation control information containing trigger information representing an initially detected transmission request. |
