Patent ID: 6442390
Filing Date: 2002-08-27
Classification: H04W

Abstract:
A broadcasting method for a mobile communication system, wherein a broadcast control channel is used to transmit identity of a channel on which a broadcast message is transmitted from a base station to mobile stations, the method comprising:establishing, in response to a broadcast request, a traffic channel when at least one traffic channel is available for transmitting the broadcast message from the base station to the mobile stations; establishing a control channel for transmitting the broadcast message from the base station to the mobile stations when all traffic channels are not available and establishing the control channel instead of the established traffic channel if a call request is placed on the traffic channel when the transmission of said broadcast message is in progress; determining usage ratio of the traffic channels of the base station; and establishing a traffic channel instead of the established control channel if the usage ratio becomes smaller than a predetermined value during the time the transmission of the broadcast message is in progress.