Question: In a UTRAN environment, what is the primary purpose of the Block Error Rate (BLER) on the radio interface Transport Block?
Option 1: To optimize handover decisions between different Radio Network Subsystems (RNS).
Option 2: To manage the allocation of IP addresses for User Equipment (UE) in the network.
Option 3: To determine required Signal-to-Interference Ratio (SIR) targets for admission control and power management.
Option 4: To schedule packet transmission for Quality of Service (QoS) enhancement.
Explanation: The correct answer highlights the role of BLER in influencing SIR targets, crucial for maintaining targeted BLER, which affects the radio interface's transport channel quality and reliability, impacting admission control and power management.