Radio base station, relay station, and relay method

摘要

A disclosed relay station is provided between a radio base station and a radio terminal for relaying a radio signal. The relay station includes a receiving unit configured to receive data transmitted from the radio base station or the radio terminal; a storage unit configured to hold the data; and a transmitting unit configured to relay the data to the radio terminal or the radio base station, and resend the data originating from the relay station in the event that the data need to be resent.