Study on interconnection and migration aspects for railways
The present document studies solutions to satisfy interconnection and migration needs for railways. It identifies enhancements to be included in the technical specifications for MCPTT (3GPP TS 23.379 [2]), MCVideo (3GPP TS 23.281 [3]), MCData (3GPP TS 23.282 [4]) and in the common functional architecture (3GPP TS 23.280 [5]) to support mission critical communications.