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Support #4058

verify that re-using ARFCN+BSIC pairs across separate BSS works

Added by neels 6 months ago. Updated 3 months ago.

Status:
Resolved
Priority:
Low
Assignee:
Category:
-
Target version:
-
Start date:
06/12/2019
Due date:
% Done:

100%

Spec Reference:

Description

A remote BSS may re-use an ARFCN+BSIC pair that is also used in the local BSS.
Verify in a test that an inter-BSC handover to the remote cell indeed works, and does not end up in the local-BSS cell that has the same ARFCN+BSIC but is not a direct neighbor for the handover source cell.

In handover_start(), it looks like bts_by_neighbor_ident() would prefer to pick a local-BSS cell with the same ARFCN+BSIC of the remote cell,
and should instead invoke an inter-BSC handover when only a remote cell with that ARFCN+BSIC is listed as explicit neighbor for the given source BTS.

History

#1 Updated by laforge 5 months ago

  • Priority changed from Normal to Low

#2 Updated by laforge 3 months ago

  • Assignee changed from neels to osmith

#3 Updated by osmith 3 months ago

  • Status changed from New to Resolved
  • % Done changed from 0 to 100
Just like #4057, this is already implemented with an appropriate test:

HO to 871-12 triggers inter-BSC HO (ignoring local cells with same ARFCN+BSIC)

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