| 摘要 |
<P>PROBLEM TO BE SOLVED: To expand a communication area of a base station device. <P>SOLUTION: A mobile station 14 transmits signals after connection establishment using the same number of subcarriers as the stipulated number of subcarriers or less used for the transmission of a connection request signal (TCCH). A base station 12 detects the number of the subcarriers used for the transmission of the connection request signal (TCCH) (S106), and controls, according to the detected number of the subcarriers, the passing band width of a bandpass filter which has a width variable passing band corresponding to the stipulated number of subcarriers and separates the signals of the mobile station 14 included in the passing band from reception signals (S108). <P>COPYRIGHT: (C)2009,JPO&INPIT |
