Question: What is a prerequisite for a User Equipment (UE) to support multiple uplink Semi-Persistent Scheduling (SPS) as per 3GPP specifications?
Option 1: The UE must support only downlink SPS.
Option 2: The UE must operate exclusively in TDD mode.
Option 3: The UE must also support V2X communication via Uu interface.
Option 4: The UE needs to have a specific CA (Carrier Aggregation) configuration.
Explanation: According to the specifications, for a User Equipment (UE) to support multiple uplink Semi-Persistent Scheduling (SPS), it is mandatory that the UE also supports V2X (Vehicle-to-Everything) communication via the Uu interface. This requirement highlights the integration of cellular networks with vehicular communications, ensuring seamless and safe exchange of information between vehicles and infrastructure. This capability is crucial for advanced safety features and autonomous driving use cases in 5G and beyond networks.