5G6G Academy

5G6G|Academy

by TELCOMA Global

All Courses
Level 27

Telecom Transport & Timing

Master telecom transport networks — IP/MPLS fundamentals and label switching, Segment Routing with SR-MPLS and SRv6, EVPN for mobile transport, fronthaul eCPRI and O-RAN 7.2x split, midhaul F1 interface, backhaul N2/N3 transport, PTP IEEE 1588v2 and SyncE timing, GNSS references, timing profiles G.8275.1 and G.8275.2, transport OAM with BFD and Y.1731, FlexE network slicing, and transport troubleshooting.

21 interactive2 simulation3 labs4 quizzes
0/30 lessons

This level requires a Pro subscription

Unlock all 26 advanced levels — 727 lessons, labs, and interactives by TELCOMA Global.

Transport Network Fundamentals

0/7

IP/MPLS basics for mobile networks, label switching and LSP concepts, Segment Routing with SR-MPLS and SRv6, EVPN, transport topologies, and QoS with DiffServ and MPLS TE.

IP/MPLS basics for mobile networks
How IP/MPLS underpins mobile transport from cell site to core with label-based forwarding.
interactive3 min
Label switching and LSP concepts
Label push, swap, pop operations and Label Switched Path establishment with LDP and RSVP-TE.
interactive3 min
Segment Routing — SR-MPLS and SRv6
Source-routed paths using segment identifiers in MPLS and IPv6 extension headers.
interactive4 min
EVPN for mobile transport
Ethernet VPN providing multi-point L2/L3 services for mobile backhaul and fronthaul.
interactive3 min
Transport topologies — ring, hub-spoke, mesh
Common transport network topologies with trade-offs in resilience, cost, and latency.
interactive3 min
QoS in transport — DiffServ and MPLS TE
Differentiated Services markings and MPLS Traffic Engineering for mobile traffic classes.
simulation4 min
Quiz: Transport fundamentals
Test your understanding of IP/MPLS, Segment Routing, and transport QoS.
quiz5 min

Fronthaul, Midhaul & Backhaul

0/8

xHaul architecture overview, eCPRI fronthaul and O-RAN 7.2x split, fronthaul bandwidth calculation, midhaul F1 interface, backhaul N2/N3 transport, fiber vs microwave vs satellite, and transport dimensioning.

xHaul architecture overview
End-to-end xHaul segmentation from O-RU through O-DU to O-CU and 5GC.
interactive3 min
Fronthaul — eCPRI and O-RAN 7.2x split
Enhanced CPRI protocol and the O-RAN lower-layer split with IQ sample transport.
interactive4 min
Fronthaul bandwidth calculation
Calculate fronthaul bandwidth requirements for various antenna configurations and split options.
lab5 min
Midhaul — F1 interface transport requirements
F1-C and F1-U transport between O-DU and O-CU with latency and bandwidth needs.
interactive3 min
Backhaul — N2/N3 and legacy S1/X2 transport
Backhaul carrying N2 control and N3 user-plane traffic from gNB-CU to 5G core.
interactive3 min
Fiber vs microwave vs satellite backhaul
Comparing backhaul technologies by capacity, latency, cost, and deployment scenarios.
interactive3 min
Transport dimensioning and capacity planning
Sizing transport links based on cell throughput, overbooking, and growth projections.
simulation4 min
Quiz: xHaul networks
Test your knowledge of fronthaul, midhaul, and backhaul transport requirements.
quiz5 min

Timing & Synchronization

0/8

Why timing matters in 5G, PTP IEEE 1588v2 clock hierarchy, SyncE frequency sync, GNSS references, ITU-T timing profiles, phase vs frequency vs time-of-day, and timing error budgets.

Why timing matters in 5G — TDD, CA, CoMP
How TDD slot alignment, carrier aggregation, and CoMP demand tight synchronization.
interactive3 min
PTP IEEE 1588v2 — grandmaster, boundary, transparent clocks
Precision Time Protocol clock hierarchy and message exchange for nanosecond accuracy.
interactive4 min
SyncE — physical layer frequency synchronization
Synchronous Ethernet recovering timing from the physical layer with SSM quality levels.
interactive3 min
GNSS as primary timing reference
GPS and multi-constellation GNSS receivers as Primary Reference Time Clocks.
interactive3 min
Timing profiles — G.8275.1 vs G.8275.2
ITU-T telecom profiles for full on-path and partial on-path PTP deployment.
interactive3 min
Phase vs frequency vs time-of-day synchronization
Distinguishing frequency, phase, and time-of-day requirements for different 5G features.
interactive3 min
Lab: Timing error budget calculator
Build a timing error budget across the transport chain from PRTC to gNB.
lab5 min
Quiz: Timing and synchronization
Test your understanding of PTP, SyncE, GNSS, and 5G timing requirements.
quiz5 min

Transport Operations

0/7

Transport OAM with BFD, Y.1731, and CFM, fault detection and protection switching, SR traffic engineering, FlexE network slicing, O-RAN fronthaul switching, and transport troubleshooting.

Transport OAM — BFD, Y.1731, CFM
Operations, administration, and maintenance protocols for transport fault and performance monitoring.
interactive3 min
Fault detection and protection switching
Sub-50ms protection switching with linear, ring, and MPLS FRR mechanisms.
interactive3 min
Segment Routing traffic engineering
SR-TE policies with explicit path constraints, bandwidth reservation, and intent-based routing.
interactive4 min
Network slicing in transport — FlexE and VPN
FlexE hard slicing and VPN-based soft slicing for end-to-end network slice transport.
interactive3 min
Transport for O-RAN — fronthaul switching
Fronthaul Ethernet switches with timing-aware scheduling and low-latency forwarding.
interactive3 min
Lab: Transport network troubleshooting
Diagnose and resolve transport faults across MPLS, timing, and fronthaul scenarios.
lab5 min
Quiz: Transport operations
Test your knowledge of transport OAM, protection, SR-TE, and network slicing.
quiz5 min