Change in osmo-pcu[master]: Pick unreserved UL FN when allocating an SBA
gerrit-no-reply at lists.osmocom.org
Mon Mar 29 12:09:17 UTC 2021
Hello Jenkins Builder, laforge,
I'd like you to reexamine a change. Please visit
to look at the new patch set (#2).
Change subject: Pick unreserved UL FN when allocating an SBA
Pick unreserved UL FN when allocating an SBA
Make sure an unreserved FN is picked and reserved when allocating and
scheduling an SBA.
In practice this has no change in behavior right now, since anyway using
an offset of 52 FNs ensure no USF or POLL has alredy been scheduled that
far in the future. Since it's also impossible to allocate more than 1
SBA per PDCH and RTS FN, we are also safe about multiple SBAs being
allocated, because we use a hardcoded offset of 52.
However, that could change in the future, when we dynamically tweak the
current offset of 52 FN based on information from BTS about its AGCH
* If load is high, we may need to increase the offset since it
will take more time for the BTS to transmit the TBF and hence we must
reserve a TBF starting time further in the future (higher FN).
* If load turns low, we may schedule next SBA a bit more nearby in time
than the previously allocated SBA, hence here there could be a
5 files changed, 64 insertions(+), 3 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/20/23520/2
To view, visit https://gerrit.osmocom.org/c/osmo-pcu/+/23520
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Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
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