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5G MAC Release 18 Additions

Release 18 coverage should exist in the MAC section, but it should not overload the pillar page. This page gives modern readers a focused entry point into the advanced features and topic groups that extend beyond the baseline MAC library.

Use this page as the modern MAC roadmap. It is intentionally organized as a release-aware navigation and summary page, sending readers into advanced child pages instead of trying to explain every new behavior inline.

Page type Release-aware navigation and summary page
Why it matters Modern readers expect current MAC scope, not only baseline release material
Best use Readers tracking evolving NR behavior
Main use Organize and route advanced MAC topics cleanly

What this page should do

The role of the Release 18 page in the library.

This page should act as the modern-feature entry point, not as a full spec dump. It proves the section is current and gives advanced readers a clean way to branch into the exact feature they need.

That approach protects the pillar page from overload while still making the section feel current and standards-aware.

Advanced feature groups to organize here

The key clusters this page should route to.

Feature groupSuggested child pages
Direct communication and service modelsSidelink MAC, MBS MAC
Advanced procedure supportPositioning support, small data transmission
Advanced control and deployment behaviorSCG activation, FR2 UL gap behavior, energy-saving behavior
Specialized mobility behaviorFirst PUSCH in RACH-less handover

How to use this page without turning it into a spec dump

The practical design model for the release page.

A release page becomes weak when it tries to hold every feature detail inline. The better pattern is short summaries, a clear feature-group map, and strong routing into dedicated advanced pages.

That model keeps the section current while preserving page purpose. Readers can enter through the release lens, then move directly into the exact feature that needs real detail.

Page taskWhat belongs hereWhat belongs on child pages
Release summaryFeature family overview and why it mattersProcedure-specific or decoder-level detail
NavigationStrong grouped links to advanced topicsDeep examples, edge cases, and troubleshooting
ScalabilityA place to add new release-aware clustersFeature-specific reference content

Design rules for a good release page

How to keep it useful.

  • Summarize feature families instead of copying full spec-level detail
  • Use strong outbound linking to child pages
  • Keep the page current-focused and easy to scan
  • Use it to support future release-driven growth without destabilizing the pillar page

FAQ

Why have a separate Release 18 page for MAC?

Because it gives advanced readers a clean modern entry point without overloading the main MAC pillar page.

Should full Release 18 detail live here?

No. This page should summarize feature groups and route readers to dedicated advanced pages.

Who is this page for?

Readers tracking current NR feature scope and modern MAC behavior.

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