IP-Based UTRAN Simulation Model Impact of TCP Slow Start Processor Sharing among Multiple RABs Contents Dimensioning for HSPA Traffic Use of Traffic Separation for Transport of HSPA and Rel99 Dimensioning for Mixed Traffic Cases (ATM-Based lub) Validating Dimensioning Approaches for Multi-lub IP RAN Investigating Overbooking in the ATM-Based UTRAN Statistical Evaluation: Confidence Interval Statistical Evaluation: Limited Relative Error Comparing ATM and IP-Based UTRAN Bibliography List of Figures Generic view of a UMTS network Investigated network structures UMTS Network Structure IP-based UNTRAN Protocol Stack (CIP, LIPE, AAL2, PPPmux) Carrier Ethernet-based UTRAN using PWE3 LTE radio access network UMTS terrestrial radio access network: nodes and interfaces General Protocol Model for UTRAN interfaces [3GP02c] Control plane protocol stack in UTRAN User plane protocol stack in UTRAN (Packet-Switched Domain) User plane protocol stack in UTRAN (Circuit-Switched Domain) Channel types in the UTRAN (UMTS Rel99) UMTS Rel99: Channel mapping in the uplink and downlink lub interface - user plane protocol stack AAL2 multiplexing Evaluating the Buffer Utilization Protocol stack of the IP-based UTRAN IP DiffServ Router Building Blocks DiffServ-based QoS structure in the IP-based UTRAN An overview of dimensioning issues Basic network topology configurations for UTRAN UTRAN network topology example UMTS network dimensioning framework An overview of the dimensioning procedure Dimensioning process to derive the minimum required link capacities Overview of analytical dimensioning models Simulation Model Framework UMTS Rel99 Simulation Model Structure Modeling of UMTS Rel99 (ATM-based UTRAN) in OPNET Implemented AAL2 QoS Structure Measuring the CAC guaranteed bit rate Modeling of IP-based UTRAN in OPNET Modeling of combined UMTS Rel99 and HSPA Voice traffic model General web traffic model File transfer (ftp) traffic model State transition diagram for a system with a limited number of channels (n), Poisson arrival process (2), and