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Certification Courses 5G RAN SpecialistThe O-RAN architecture map

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The O-RAN architecture map

Module 12 · Open RAN

The case for open interfaces The RIC, xApps and rApps — the two control loops behind RAN intelligence

5G RAN Specialist

31 lessons · 7 interactive labs

Module 8 · NR Air Interface I: Structure

1From the radio picture to the radio grid — a bridgeFree preview
2Numerologies & subcarrier spacing — why flexibility winsRequires subscription
3Frames, slots and the resource gridRequires subscription
4Bandwidth parts — the radio's gearboxRequires subscription
5TDD patterns in the real worldRequires subscription
The Numerology DialInteractive lab

Module 9 · NR Air Interface II: Access, Channels & the Stack

6SSB: how a phone finds a cellRequires subscription
7Random access: the four-step RACH handshakeRequires subscription
8The channel map: PDCCH, PDSCH, PUCCH, PUSCH — where control and data rideRequires subscription
9Link adaptation & HARQ in actionRequires subscription
10Reference signals: DMRS, CSI-RS, SRSRequires subscription
11The NR protocol stack: MAC, RLC, PDCP, SDAP — one packet's journeyRequires subscription
Order the RACH HandshakeInteractive lab

Module 10 · Massive MIMO & Beamforming

12Antenna arrays — where the gain comes fromRequires subscription
13Digital, analog, hybrid beamformingRequires subscription
14Beam management: sweep, refine, trackRequires subscription
15MU-MIMO: many users, same resourcesRequires subscription
Lock the BeamInteractive lab

Module 11 · RAN Architecture & Splits

16The disaggregated gNB: CU, DU and RU — and where the split sitsRequires subscription
17F1, E1 and Xn — wiring the split gNB togetherRequires subscription
18Fronthaul: eCPRI and the latency budgetRequires subscription
19vRAN: the RAN becomes softwareRequires subscription
Split the StackInteractive lab

Module 12 · Open RAN

20The case for open interfacesRequires subscription
The O-RAN architecture mapRequires subscription
22The RIC, xApps and rApps — the two control loops behind RAN intelligenceRequires subscription
23Open RAN in the field: open fronthaul and the deployment scorecardRequires subscription
Wire the O-RAN FabricInteractive lab

Module 13 · Mobility & Radio Procedures

24Measurements & events: A3, hysteresis, time-to-triggerRequires subscription
25Handover, step by step: Xn and the N2 variantRequires subscription
26Carrier aggregation & dual connectivity — and EN-DC with 4GRequires subscription
27Paging, DRX and battery lifeRequires subscription
Tune the A3 HandoverInteractive lab

Module 14 · RAN Planning & Performance

28KPIs that matter: RSRP, RSRQ, SINR — accessibility, retainability, energyRequires subscription
29Link budgets & coverage planningRequires subscription
30Capacity dimensioningRequires subscription
31Private 5G RAN — spectrum, architecture and planningRequires subscription
Read the CellInteractive lab

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By TELCOMA Global · Training telecom engineers since 2009 · $39/mo (global) · ₹3,900/mo (India) · No credit card

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