Question: In a Base Station (BS) conformance test for FDD, as per 3GPP specifications, what is the minimum required carrier spacing when setting the carrier frequency within the supported frequency band?
Option 1: 200 kHz
Option 2: 1 MHz
Option 3: 5 MHz
Option 4: 10 MHz
Explanation: In the context of Base Station conformance testing for FDD, ensuring proper frequency allocation is crucial. The minimum carrier spacing of 5 MHz is specified to prevent interference between adjacent carriers, allowing for efficient spectrum utilization while maintaining signal integrity. This requirement is particularly important in multi-carrier operations where closely spaced carriers could otherwise lead to significant cross-talk and performance degradation.