Change in osmo-pcu[master]: OC-2G: Fix TA adjustment

[Daniel Willmann]

Hello Harald Welte, Minh-Quang Nguyen, Jenkins Builder, 

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

    https://gerrit.osmocom.org/13358

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

Change subject: OC-2G: Fix TA adjustment
......................................................................

OC-2G: Fix TA adjustment

Problem:
 TA provided from L1 PH-DATA-IND is a relative amount of TA adjustment to actual TA
 being used for given TBF. The current TA update algorithm in PCU simply applies the relative
 amount of TA to given TBF but does not take into account of current TA.
 As a result, the PCU will request wrong TA jump for given TBF if the MS is moving away from
 BTS more than 2 km.

 Related issue: http://osmocom.org/issues/2611

Fixes:
- The PCU needs increase or decrease current TA of given TBF on receiving of relative
  amount of TA adjustment provided by PH-DATA-IND from L1.
- The PCU needs to set absolute TA of given TBF on receiving absolute TA provided by
  PH-RA-IND from L1.

From-Commit: 139ad3f42193
From-Remote: https://gitlab.com/nrw_noa/osmo-pcu
Change-Id: I7665586dd5722bbe04632ee5673d3033bc082324
---
M src/osmo-bts-oc2g/oc2g_l1_if.c
1 file changed, 2 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/58/13358/2
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Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I7665586dd5722bbe04632ee5673d3033bc082324
Gerrit-Change-Number: 13358
Gerrit-PatchSet: 2
Gerrit-Owner: Daniel Willmann <dwillmann at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Minh-Quang Nguyen <minh-quang.nguyen at nutaq.com>
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