Question: In a reverberation chamber method for testing UE/MS Over The Air (OTA) antenna performance, what is the primary purpose of adjusting the base station simulator's output power during Block Error Rate (BLER) measurements?
Option 1: To simulate various environmental conditions such as urban, rural, or indoor scenarios.
Option 2: To test the UE/MS's ability to handle different modulation schemes.
Option 3: To evaluate the impact of handover on antenna performance.
Option 4: To find the lowest output power that yields a specific BLER value (e.g., 10% or 2%) for accurate Total Radiated Sensitivity (TRS) calculation.
Explanation: The correct answer, Option 4, reflects the procedure's goal of determining the minimum transmission power required to achieve a target BLER threshold. This is crucial for accurately assessing the UE/MS's antenna sensitivity and overall performance in a controlled, isotropic environment that simulates real-world signal variability (e.g., Rayleigh fading). The other options are incorrect because they do not directly relate to the purpose of adjusting output power during BLER measurements in this specific test context.