name: MCCH
full_form: MBMS point-to-multipoint Control Channel
context: Figure 4A: MBSFN MCCH Information procedure, Successful Operation The procedure is used for MBSFN operation when a MRNC is used. The message contains the MCCH message list sent on the MRNC and the MCCH configuration information of the MRNC. Upon receipt of the message, if the MCCH Configuration Info IE exists, the CRNC shall setup or reconfigure the MCCH of all cells in the MBSFN cluster with the configuration contained in this IE, and update the System Information of these cells. The CRNC shall decode the L3 Information IE contained in the MCCH Message List IE and apply the RLC/MAC/PHY configuration specified by relative MCCH Message to setup the RB information of MTCH, and then send the L3 Information IE on the MCCH in the receiving sequence at the beginning of the first MCCH modification period following the CFN indicated by the CFN IE. In case MRNC is used and TDM multiplexing is used over air interface, the MBSFN Scheduling Transmission Time Interval info List IE shall be
description: The MBMS point-to-multipoint Control Channel (MCCH) is a logical channel used for transmitting control information in Multimedia Broadcast Multicast Service (MBMS) operations. It plays a crucial role in managing the configuration and scheduling of multicast/broadcast services within the network, particularly when using a Multi-Cell/Multi-Radio Access Network Controller (MRNC). The MCCH is utilized to convey essential information such as MCCH message lists, configuration details, and system information updates to cells within an MBSFN (MBMS Single Frequency Network) cluster. This channel facilitates the setup, reconfiguration, and synchronization of multicast/broadcast transmissions across multiple cells.
explanation: The context describes the MCCH's function in MBMS as a channel for transmitting control information vital for managing multicast/broadcast services. Its role in configuring, scheduling, and synchronizing transmissions across multiple cells aligns with the definition of a communication channel.
section_title: 8.2.5.2	Successful Operation
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