| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio communication system, a base station, a mobile station, and a radio communication method, capable of reducing control time before uplink data is transmittable, and improving feeling speed of a user when the uplink data is few.SOLUTION: A base station 100 transmits, to a plurality of mobile stations, a collision-type access permission including information on a collision-type access channel which is a radio resource other than radio resources allocated by accompanying to a scheduling request, usable for the plurality of mobile stations to transmit uplink data. On the basis of the collision-type access permission received from the base station, a mobile station 200A transmits the uplink data to the base station by using the collision-type access channel.SELECTED DRAWING: Figure 5 |
