CCCH stands for the common control channel in GSM.
GSM common control channel ( CCCH ) is used for conveying from network to the mobile subscriber and provide access to the mobile subscriber,
There are three types of different channels : (I) PCH, (II) AGCH, (III) RACH
Refer the following link to know details of the PCH, AGCH, RACH channel, and their processing.
- GSM Paging channel ( PCH )
- GSM Access grant channel ( AGCH )
- GSM Random access channel ( RACH )
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