Project

General

Profile

Actions

Feature #4941

open

VAMOS support in OsmoBTS

Added by laforge about 3 years ago. Updated almost 2 years ago.

Status:
Stalled
Priority:
Normal
Assignee:
Category:
-
Target version:
-
Start date:
01/12/2021
Due date:
% Done:

90%

Spec Reference:

Description

This ticket should document what needs to be done in terms of supporting VAMOS from OsmoBTS, and to track its status via check-lists and possibly sub-issues.

Our implementation will be focusing on osmo-bts-trx as none of the "proprietary PHY" we support implement any VAMOS support.

This likely includes (at least)
  1. Indication of [which level of] VAMOS support the BTS has via OML attributes to BSC
  2. Implementation of "shadow TRX" concept in data structures
  3. Implementation of VAMOS related RSL extensions on Abis
  4. Implementation of a new TRXDv2 protocol from/to the TRX
  5. VAMOS-aware uplink + downlink power control
  6. generation of one set of downlink symbols from the real + shadow timeslot/lchan

The corresponding BSC related work is tracked in #4940


Checklist

  • CMI mapping as per 3GPP TS 45.009, section 3.2.1.3

Related issues

Related to OsmoBSC - Feature #4940: VAMOS support in OsmoBSCStalledneels01/12/2021

Actions
Related to Cellular Network Infrastructure - Feature #4006: TRX protocol: wind of changeStalledfixeria05/17/2019

Actions
Blocked by Cellular Network Infrastructure - Bug #5112: osmo-gsm-manuals: build verification is brokenResolvedfixeria04/10/2021

Actions
Actions

Also available in: Atom PDF

Add picture from clipboard (Maximum size: 48.8 MB)