MOBILE COMMUNICATION METHOD AND MOBILE STATION

摘要

A mobile communication system according to the present invention includes: a step A in which a radio base station eNB transmits an uplink scheduling grant including CB-RNTI; and a step B in which when the uplink scheduling grant has been received, according to a comparison result obtained by comparing a predetermined threshold value with the amount of uplink data remaining in the transmission buffer, the mobile station UE determines whether a protocol data unit formed by the uplink data can be transmitted using a shared uplink resource specified by the uplink scheduling grant.