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Reply To: Channel assignment in GSM


Dear Hari,

Normally in a BCCH Timeslot there are 9 CCCH ( Common Control Channels ) blocks. These are shared by typically 1 AGCH ( Access Grant ) and 8 PCH ( Paging Channel ).

The details are potentially brain – damaging, so I’ll just say that in the idle mode you are supposed to monitor one of these PCH which is determined by your IMSI.

So in that sense , each Mobile in Idle mode does have a control channel, ehich it should listen to.

I hope that answers your question.