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Feature #4536
openMulti BTS support within a single physical device
Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
05/06/2020
Due date:
% Done:
0%
Spec Reference:
Description
So OpenBSC supports multiple BTSs (obviously). But sometime you want several "logical" BTS inside a single "physical" BTS.
That means that :- You only get 1 physical link and possibly a single OML link to that physical BTS (so same/shared e1inp_sign_link *oml_link ...)
- Some OML objects needs only to be brought up once for all the "logical" BTS in the same physical one.
- In the 12.21 fields, the bts_nr field will not match the gsm_bts->bts_nr field since it starts at 0 for each physical BTS.
- ... probably other things ...
We need a way to represent that in the code and in the config.
Some thoughts:- We could introduce another hierarchy level (bts/trx/ts -> phys_bts/virt_bts/trx/ts) but that looks like extensive changes in the code and config format
- We could have a "parent" link in bts object and so if a bts has a parent then it's not in charge of the "shared" stuff ... and the config would just have way to specify which bts is a parent. And if we restrict to having contiguous bts_nr for the child, then finding the OML 12.21 bts number for a bts is trivial (bts->nr - bts->parent->nr)
- ...
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