UTRAN Interfaces and Protocol StacksUTRAUTRA-FDD Radio Communication By David Soldani 1 NOKIA 3G Mobile Systems.PPT v.0.0.3/ March 2002 / David Soldani UTRAN Interfaces and Protocol Stacks 2 NOKIA 3G Mobile Systems.PPT v.0.0.3/ March 2002 / David Soldani Network Elements and Interfaces Iub Interface: Transport Plane - ATM Control Plane - Communication Control Ports - Node B Control Ports User Plane - RACH/FACH/DCH Data Ports forming UE Context(s) Procedures - Radio Link (RL) Setup - RL Reconfiguration - RL Addition - RL Deletion - Power Control Information - Handover Signalling - Measurement Reports Iur Interface: Transport Plane - ATM Control Plane - RNSAP (SCCP over CCS7 ) User Plane - Frame Protocols for Dedicated Channels over ATM Procedures - Radio Link (RL) Setup - RL Reconfiguration - RL Addition - RL Dele……