Question: What determines the nominal channel spacing between adjacent broadcast channels in LTE-based 5G terrestrial broadcast?
Option 1: The maximum transmission power of the User Equipment (UE)
Option 2: The number of Resource Blocks (RBs) allocated to the broadcast channel
Option 3: The PMCH bandwidth, which is indicated by upper layer signaling and applies to all broadcast carriers in the same geographical area
Option 4: The modulation scheme used for the broadcast transmission
Explanation: According to the specifications, the nominal channel spacing between adjacent broadcast channels is defined as the PMCH bandwidth. This bandwidth is indicated by upper layer signaling and applies to all broadcast carriers in the same geographical area, ensuring consistent channel spacing across the region.