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5G essentials

Start here: what 5G changes, the radio access network, and the core end to end.

5G FoundationBeginner34 lessons · ~3.3h 5G RAN SpecialistIntermediate31 lessons · ~3.4h 5G Core & E2E SpecialistAdvanced38 lessons · ~5.1h

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Interactive lab· ~4 min

Dimension the RACH

Random access is a contention protocol, so it has a ceiling — and past it, throughput FALLS. Configure the cell and throw a ten-thousand-meter wake-up at it.

The NR protocol stack: MAC, RLC, PDCP, SDAP — one packet's journey Antenna arrays — where the gain comes from