Course Details
This course introduces the evolution of railway communications to FRMCS over 5G. It covers FRMCS (Future Railway Mobile Communication System) high level architecture, use cases, and performance needs. It explores 5G architecture, QoS, Registration and PDU session tailored for FRMCS. Key topics include spectrum use, coexistence with GSM-R, MCx services (MCPTT, MCData, MCvideo), and mission-critical operations. Learners gain a clear, technical overview of how FRMCS leverages 5G to modernize and secure railway communications.

Philip Nugent
Mpirical Trainer
Phil heads up Mpirical’s technical development, advising on the latest technologies and assisting the Mpirical team with his wealth of both historical and current knowledge. Phil’s specialist area is the mobile radio and RAN space, originally focussing on 2G and 3G technologies but more recently, heavily embedded with 5G New Radio for both Mpirical and customer specific projects.
£145
Individual Course
Course Contents
Evolution of Railway Communications to FRMCS:
- GSM-R’s Strengths and Limitations.
- Introducing FRMCS.
- FRMCS Design Benefits.
- High Level FRMCS.
- Communications in Railway Systems.
- FRMCS Use Cases.
- FRMCS Performance Requirements.
The 5G System Architecture for FRMCS:
- 5G and 5G Advanced in 3GPP.
- 5G High Level.
- 5G Core and RAN Architecture.
- IMS and MCS.
- Centralised RAN in 5G.
5G FRMCS Registration and PDU Sessions:
- FRMCS 5G Network Registration.
- FRMCS PDU Session and QoS Flows.
- 5G QoS Parameters.
- 5G QoS Identifier.
- 5G FRMCS Security.
- 5G Network Slicing for FRMCS.
FRMCS 5G Radio Aspects - Part 1:
- GSM-R Spectrum.
- 5G Spectrum Aspects.
- FRMCS Band Usage.
- 5G Duplexing.
FRMCS 5G Radio Aspects - Part 2:
- 5G Numerology.
- FRMCS Bandwidth Options.
- FRMCS Physical Resource Block.
- FRMCS and GSM-R Coexistence.
- FRMCS Scheduling Resources.
FRMCS Service Architecture:
- The FRMCS System.
- FRMCS Application Reference Points.
- The Complexity of Transitioning to FRMCS.
Leveraging 5G, MCx and IMS Systems:
- Group Calls.
- ProSe (Proximity Services).
- On Network and Off Network Concept.
- MBS (Multicast-Broadcast Service).
Mission-Critical Services in FRMCS:
- Mission-Critical FRMCS.
- FRMCS Mission Critical Architecture.
- Common FRMCS MCx Service Functions.
- Mission Critical Device.
- FRMCS MCPTT Architecture.
- FRMCS MCData Architecture.
- FRMCS MCVideo Architecture.
FRMCS MCx Operation:
- FRMCS Mission Critical Identities.
- High Level FRMCS MC Registration.
- FRMCS MCx Sessions and QoS Flows.
- FRMCS Mission Critical MCPTT Group Calls.
£145
Individual Course
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