Question: In an HSDPA scenario, what is the primary purpose of measuring the mean power of the UE across at least one timeslot, after initiating HSDPA data transmission and sending uplink power control commands?
Option 1: To adjust the downlink data rate based on the UE's reported signal quality.
Option 2: To verify the UE's transmit power compliance with specified limits during uplink transmissions.
Option 3: To synchronize the UE's transmitter with the base station's receiver for reduced latency.
Option 4: To determine the optimal antenna configuration for improved downlink coverage.
Explanation: Measuring the mean power of the UE is crucial for ensuring the device's uplink transmissions adhere to defined power limits, preventing excessive interference and maintaining optimal network performance. This process verifies transmit power compliance during active uplink transmissions after initiating HSDPA data transmission.