Question: In a multi-path fading propagation channel scenario, what is the primary objective of transmitting a predefined test signal to a User Equipment (UE) receiver in a cellular network?
Option 1: To measure the UE's transmitter output power in co-channel interference conditions.
Option 2: To evaluate the UE's ability to perform handovers between serving and adjacent cells.
Option 3: To assess the UE's receiver sensitivity in a single-path fading environment.
Option 4: To verify the UE's receiver can maintain a Block Error Rate (BLER) below a specified threshold under multi-path and co-channel interference conditions.
Explanation: This question requires understanding of telecom concepts related to signal transmission, reception, and performance metrics in challenging propagation environments. The correct answer, Option 4, aligns with the objective of ensuring reliable data transfer (as indicated by a low BLER) in scenarios where both multi-path fading and co-channel interference from serving and adjacent cells are present. This is crucial for maintaining service quality in real-world telecom networks.