| 摘要 |
PURPOSE:To simplify the base station euqipment, by using the communication channel in vacant condition to the transmission and reception of the line control signal at mobile set outgoing without providing the oscillation control channel of the base station, in the mobile communication line control system at the area less in mobile subscribers. CONSTITUTION:In the mobile communication line controller 12s in which the incoming control channel and a plurality of communication channels are assigned to each base station and the transceivers PTX, RTX for each channel and those VTX1 to VTXk and VRX1 to VRXk for the communication channel are provided, the vacant channel detection and number information generating circuit 23, selector circuits 231 to 23k, vacant line control circuits 241 to 24k, vacant memory 18 and the communication channel set control circuits 171 to 17k are provided. Further, the line control for the incoming of the mobile subscriber is made by using the control channel exclusive use for incoming, and the line control at outgoing from the mobile subscriber is made by transmitting and receiving the control signal via the communication channel in vacant condition. |
