Change in osmo-bts[master]: l1sap: add repeated downlink SACCH

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dexter gerrit-no-reply at lists.osmocom.org
Mon Nov 16 19:27:51 UTC 2020


dexter has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/21105 )

Change subject: l1sap: add repeated downlink SACCH
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Patch Set 2:

> Patch Set 2:
> 
> I think the point of the repeated SACCH feature is that the network would enable it _on demand_ but not unconditionally.
> 
> What's missing is some kind of decision e.g. based on the reported Downlink RxQual whether or not to enable repetition for the  specific lchan.
> 
> In case of questions, please discuss with the customer requesting the feature

I think for repeated DL-SACCH we are fine since we are using the SRR bit the MS sends in the L1 header. Whenever the SRR bit is set, the SACCH repetition becomes active (if it is not disabled). For repeated UL-SACCH its the other way around and here we indeed need some criteria to make the decision. For FACCH repetition we currently have no decision we have no decision yet. (I will update the redmine ticket)


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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I00806f936b15fbaf6a4e7bbd61f3bec262cdbb28
Gerrit-Change-Number: 21105
Gerrit-PatchSet: 2
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: laforge <laforge at osmocom.org>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-Comment-Date: Mon, 16 Nov 2020 19:27:51 +0000
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