Question: For a UE (User Equipment) supporting DC-HSUPA, what determines the nominal transmit power when HS-DPCCH and E-DCH are fully or partially transmitted during a DPCCH timeslot?
Option 1: The sum of the broadband transmit power of each carrier in the UE.
Option 2: The maximum output power tolerance defined by the UE Maximum Power Reduction (MPR).
Option 3: The average power measured over multiple frames in a specific band.
Option 4: The minimum power required for successful DPCCH transmission.
Explanation: According to DC-HSUPA specifications, the nominal transmit power is calculated by summing up the broadband transmit power of each carrier within the UE. This method accurately reflects the total power output when multiple carriers are involved in transmitting HS-DPCCH and E-DCH during a DPCCH timeslot, ensuring compliance with power regulations and efficient spectrum use.