name: RFN
full_form: RNC Frame Number counter
context: This clause defines counters and parameters used in the different UTRAN synchronisation procedures. BFN Node B Frame Number counter. This is the Node B common frame number counter. [FDD -BFN is optionally frequency-locked to a Network synchronisation reference]. Range: 0 .. 4095 frames. RFN RNC Frame Number counter. This is the RNC node common frame number counter. RFN is optionally frequency-locked to a Network synchronisation reference. Range: 0 .. 4095 frames. SFN Cell System Frame Number counter. SFN is sent on BCH. SFN is used for paging groups and system information scheduling etc. In FDD SFN = BFN adjusted with T_cell. In TDD, if Inter Node B synchronisation port is used, SFN is locked to the BFN (i.e. SFN mod 256 = BFN mod 256). Range: 0 .. 4095 frames. CFN Connection Frame Number (counter). CFN is the frame counter used for the L2/transport channel synchronisation between UE and UTRAN. A CFN value is associated to each TBS and it is passed together with it through the MAC-L1
description: The RNC Frame Number counter (RFN) is a parameter used in the Universal Terrestrial Radio Access Network (UTRAN) synchronisation procedures. It is a node common frame number counter that is optionally frequency-locked to a network synchronisation reference, with a range of 0 to 4095 frames.
explanation: The context describes RFN as a value used in UTRAN synchronisation procedures, defining its function and characteristics within the network. This aligns with the definition of a parameter in telecommunications, which refers to configurable settings or values used in various processes.
section_title: 5	Synchronisation Counters and Parameters
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