| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication method for transmitting a sounding reference signal. <P>SOLUTION: A communication method of a user apparatus in a mobile communication system in which a base station device schedules a physical uplink shared channel in an uplink component carrier by using a downlink control information format, includes: receiving the downlink control information format including first information for instructing transmission of a sounding reference signal, and second information indicating the uplink component carrier in which the physical uplink shared channel is scheduled by using the downlink control information format, from the base station device; and when detecting the first information, transmitting the sounding reference signal in the uplink component carrier indicated by the second information, to the base station device. <P>COPYRIGHT: (C)2013,JPO&INPIT |
