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RNC - Radio Network Controller

The RNC is a functional element of the UMTS RNS (Radio Network System) which controls a number of Node Bs. Responsibilities of the RNC include radio resource management and control, air interface security, mobility procedures and system synchronization. Three types of RNC exist, SRNC (Serving RNC), DRNC (Drift RNC) and CRNC (Controlling RNC).


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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