scope:

The present document provides rail communication Stage 1 normative service requirements for 5G system. Rail communication includes main line and rail-bound mass transit. Communication for main line is based on the set of Mission Critical specification [1], [2], [3], [4]. Several service requirements for rail-bound mass transit are based on the methodology of cyber-physical control applications [7]. Requirements which are not in the scope of those specifications are provided in this Technical Specification.