Method for radio communication with base station, by user equipment (UE), apparatus in UE for radio communication with base station, a method for radio communication with a UE by a base station, and an apparatus in a base station for radio communication with a UE are provided. The method for radio communication with a base station, by a UE, includes identifying whether an uplink resource for data to be transmitted to the base station is available, when a buffer status report to be transmitted to the base station is triggered; transmitting an uplink packet including the buffer status report using the uplink resource, in response to the uplink resource being available; and transmitting a scheduling request to the base station, in response to the uplink resource not being available for a predetermined time duration, wherein the scheduling request is used for requesting an uplink resource for the buffer status report.