BASE STATION DEVICE IN MOBILE COMMUNICATION SYSTEM, MOBILE STATION DEVICE, AND BASE STATION CONTROL METHOD

摘要

A base station device in a mobile communication system comprises means for receiving a channel for random access transmitted from a mobile station device, means for obtaining quality of the channel for random access through the measurement of the channel for random access that is received or the report from the mobile station device, means for calculating a channel parameter for random access from the quality of the channel for random access that is obtained, and means for informing all the mobile station devices that exist in an area of the obtained channel parameter for random access.