Radio terminal, radio base station and radio communication system

摘要

A radio terminal includes: a controller configured to control switching between a wake-up state in which a radio interface is turned on and a sleep-state in which the radio interface if turned off; a battery configured to accumulate electric power to be supplied to the radio interface; a remaining battery amount acquiring unit configured to acquiring a remaining battery amount being a remaining amount of electric power accumulated in the battery. The controller performs switching from the sleep state to the wake-up state, according to a communication order where own radio terminal performs radio communication. The own-terminal communication order is scheduled based on the remaining battery amount.