Commit Graph

10 Commits

Author SHA1 Message Date
Guido Casati
5a1af1a7db doc: add QoS flows handling and PDU Session Modify documentation
Also, move PDU Session Release diagram to new PDU Session Management section in rrc-dev.md.

Changes:

PDU Session Modify:
- Update PDU session modification sequence diagram
- Add DRB-To-Remove/To-Modify/To-Setup list handling
- Document E1AP Bearer Context Modification flow
- Add RRC reconfiguration trigger after E1AP response

QoS Flows Handling:

- Complete overview with 3GPP standards references (TS 23.501, 37.324, 38.463, 29.281, 38.331)
- Comprehensive Mermaid sequence diagram covering control and data plane

Technical details:
- Multiple QoS flows per DRB supported
- QFI to DRB mapping at RRC and SDAP layer
- F1-U tunnels: 1 per DRB, no QFI marking
- N3 tunnels: 1 per PDU session, with QFI marking

Signed-off-by: Guido Casati <guido.casati@openairinterface.org>
2026-05-04 12:03:28 +02:00
Guido Casati
22783bb3a7 doc (RRC): document neighbour configuration, SIB3/4 and MeasGaps design
Expand RRC usage and handover documentation to describe the two-level
neighbour configuration layout, lookup-key semantics,
and config-time SIB4 grouping behaviour. Expand the example config
to include a `frequency_list` block and per-neighbour SIB3/SIB4
offset fields. Add SIB2 config example.

Update handover-tutorial.md to describe the same nested model and
note that F1 and N2 handover share the same serving-cell keyed
mapping.

Add documentation about SIB3/SIB4 and MeasGaps implementation
in OAI with stress on the shared neighbour configuration data model.

Update FEATURE_SET.
2026-04-16 12:13:35 +02:00
Robert Schmidt
8107939f08 Change OAI license to CSSL v1.0 (and others)
- all RAN code, CI code, configuration files, dockerfiles, in CSSL v1.0
- all deployment code (openshift, charts, ancillary files like shell
  scripts), in MIT
- documentation in CC-BY-4.0
- exceptions might apply and are listed in NOTICE
- there is a new LICENSES folder with all licenses
- CONTRIBUTIONS.md has been updated accordingly

For automated changes based on OAI PL v1.1:

    perl -i~ -0pe 's/\/\*.*Licensed to the OpenAirInterface.*openairinterface.org\n#?/\/*\n * SPDX-License-Identifier: LicenseRef-CSSL-1.0\n/s' **/*.{c,h,cpp}
    perl -i~ -0pe 's/\/\*.*Licensed to the OpenAirInterface.*openairinterface.org\n#?/\/*\n * SPDX-License-Identifier: LicenseRef-CSSL-1.0\n/s' **/*.ts
    perl -i~ -0pe 's/<!--.*Licensed to the OpenAirInterface.*openairinterface.org\n.*-->/<!-- SPDX-License-Identifier: LicenseRef-CSSL-1.0 -->/s' **/*.xml

The rest (cmake, files with missing license, cmake) manually.
2026-03-27 16:36:37 +01:00
Guido Casati
337cc4bbe7 Doc: update RRC documentation with new multi-cell architecture
Expand RRC developer and usage documentation to match the current
multi-cell design with separate DU and cell management.

- rrc-dev.md: Document DU and cell data structures and key functions
  (get_du_by_assoc_id, get_cell_by_cell_id, rrc_add_cell_to_du, etc.);
  add DU and cell lifecycle (F1 Setup, config update, disconnection)
  and UE cell association (serving cells, PCell/SCells) with sequence
  diagrams; add handover and cell association update flow; update UE
  context description.
- rrc-usage.md: Update DU/cell list output format and description
  (e.g. integrated DU-CU) and multi-cell per DU wording.
2026-02-05 16:57:31 +01:00
Guido Casati
3c35bad530 Doc: update RRC re-establishment documentation 2026-01-29 10:17:42 +01:00
Robert Schmidt
5c480ffd50 docs: Standardize documentation headings (remove multiple # H1)
- Remove multiple single top-level (# H1) headings per file
 - Use (# H2 and ###### H6) sub-headings for consistency
 - Remove any trailing # in the headings
 - This ensures proper table of contents rendering in MkDocs.

 - Also removed RUN_NR_multiple_BWPs.md as it is moved to MAC usage
2026-01-22 10:55:05 +01:00
Shubhika Garg
1aa13e4f23 doc: Fix formatting for mkdocs parsing
- Give a line in between bullet points to reflect bullet points correctly
        - Split long statement into bullet points for readability
        - Format the document for proper rendering
        - Fix table formatting
        - Use standard TOC syntax in 5GNAS
2026-01-22 10:50:50 +01:00
Guido Casati
f9f6e96d6b Add N2 handover documentation 2025-09-18 11:54:19 +02:00
rmagueta
c3f243ca82 Inter-frequency handover documentation update 2025-07-15 16:55:41 +02:00
Robert Schmidt
f2c6fce30f Add 5G RRC documentation 2024-10-25 20:13:47 +02:00