Change in osmo-bts[master]: osmo-bts-trx/scheduler: refactor the first frame number calculation

[fixeria]

Hello dexter, pespin, ipse, laforge, Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-bts/+/15812

to look at the new patch set (#2).

Change subject: osmo-bts-trx/scheduler: refactor the first frame number calculation
......................................................................

osmo-bts-trx/scheduler: refactor the first frame number calculation

In I6bc511223069f66b49109d3267bee7bd89585713 we have introduced
the storage for Uplink measurements (so called "history"), where
we can also store TDMA frame numbers of the related bursts.

This approach allows to look up frame number of the first Uplink
burst of a decoded block from the history. Thus neither we need
to store frame number of bid=0 in the logical channel state,
nor use complicated and buggy formulas.

This is not a silver bullet, because in some cases the measurement
history may be incomplete (until we start handling NOPE.ind from
the transceiver, see OS#3428). In such cases we would still need
to look up the first frame number using the block mapping tables
defined in 3GPP TS 45.002.

Change-Id: Iae9a0135595b0c56752723669a4ed2fc91f25785
Related: OS#3803
---
M include/osmo-bts/scheduler.h
M src/osmo-bts-trx/scheduler_trx.c
2 files changed, 58 insertions(+), 35 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/12/15812/2
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: Iae9a0135595b0c56752723669a4ed2fc91f25785
Gerrit-Change-Number: 15812
Gerrit-PatchSet: 2
Gerrit-Owner: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: ipse <Alexander.Chemeris at gmail.com>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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