Patent ID: 6097928
Filing Date: 2000-08-01
Classification: H04B,H04W

Abstract:
A method for selecting a plurality of control channels in a trunked radio system having said plurality of control channels and a plurality of radio unit groups corresponding to said control channels, said method comprising:executing a communication by one radio unit group among said plurality of radio unit groups through a primary control channel of said control channels, as an active control channel;executing the communication by said radio unit group through a secondary control channel of said control channels which are operating normally as the active control channel, when the primary control channel has a fault;during the execution of the communication through the secondary control channel, switching the active control channel from the secondary channel to the primary control channel when the fault is removed from the primary control channel; andexecuting the communication by said radio unit group through the primary control channel when the primary control channel is operating normally.