WIRELESS BASE STATION, MOBILE STATION, AND COMMUNICATION METHOD

摘要

PROBLEM TO BE SOLVED: To improve processing efficiency of random access from a mobile station to a wireless base station.

SOLUTION: A wireless base station 1 specifies a random access signal when downlink data transmission to a mobile station 2 is carried out. The mobile station 2 transmits the specified random access signal to the wireless base station 1. The wireless base station 1 transmits the random access signal including timing adjustment information based on the reception result of the random access signal and allocation information of uplink wireless resource to the mobile station 2. The mobile station 2 transmits control data by using the uplink wireless resource indicated by the allocation information.

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