Question: In Type 2 DL channel access procedures for shared spectrum, which of the following transmissions initiated by an eNB/gNB is NOT applicable for Type 2A channel access procedures?
Option 1: Transmission of PDSCH with a duration of at most X ms
Option 2: Discovery burst transmission with a duration of at most X ms and duty cycle within specified limits
Option 3: Unicast data transmission following a UE's transmission after a gap of Y ms in shared channel occupancy
Option 4: Broadcast data transmission initiated by an eNB without preceding UE activity
Explanation: According to the procedures outlined for Type 2 DL channel access, specifically for Type 2A, transmissions initiated by an eNB that include PDSCH are explicitly excluded from this procedure type. In contrast, discovery bursts and certain post-UE transmission scenarios are included, making Option 1 the correct answer due to its incompatibility with Type 2A procedures.