RADIO BASE STATION AND MOBILE COMMUNICATION METHOD

摘要

A radio base station according to the present invention comprising: a radio base station comprising: a resource assignment unit configured to determine a time direction resource, a frequency direction resource, and a code direction resource which are to be assigned as a scheduling request transmission resource for transmitting a scheduling request that requests scheduling for uplink data communication to each mobile station, the resource assignment unit is configured to determine the time direction resource and the frequency direction resource, which are to be assigned as the scheduling request transmission resource, and then determine the code direction resource to be assigned as the scheduling request transmission resource.