Patent ID: 6240298
Filing Date: 2001-05-29
Classification: H04K,H04W

Abstract:
A conversation channel allocation method for a mobile communication system in which a base station sends a control signal to a mobile station by way of a control channel while the mobile station uses a conversation channel to perform radio communication with the base station so that communication is established between a calling party and a called party, said conversation channel allocation method comprising the steps ofdetecting congestion of conversation channels in the base station;during congestion of the conversation channels, allocating the control channel as a new conversation channel for a requesting mobile station, wherein while the control channel is being used as a conversation channel, the base station transmits a tone whose frequency range is out of a prescribed conversation band and an adjacent base station adjacent to the base station stops using the control channel, and wherein a further adjacent base station further adjacent to the adjacent base station transmits a busy tone.