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fixeria gerrit-no-reply at lists.osmocom.orgHello Jenkins Builder,
I'd like you to reexamine a change. Please visit
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/19991
to look at the new patch set (#2).
Change subject: library/PCUIF_Types: version 10: add Mobile Allocation length field
......................................................................
library/PCUIF_Types: version 10: add Mobile Allocation length field
My initial assumption was that we can skip redundant '0'B bits or
even '00'O octets in the Mobile Allocation IE, and thus reduce
the overall size of this element. Unfortunately, this is wrong.
3GPP TS 44.018, section 10.5.2.21 clearly states that the Mobile
Allocation IE contains a bit-string of size NF, where NF is the
number of frequencies in the cell allocation. If NF % 8 != 0,
then '0'B padding bits must be appended to make it octet-aligned.
In other words, if the cell allocation contains let's say 13
frequencies, but a hopping timeslot makes use of only a small
fraction of it (e.g. 4 first channels), we would still need to
transmit at least 13 bits (+padding), including all redundant
bits and octets.
In RLC/MAC frames though it's not required to make the bit-string
octet aligned, so we need to send exactly NF bits without padding.
In order to achieve that:
a) add MA length field to INFO.ind (record PCUIF_InfoTrxTs);
b) ajust the existing test cases to use this field.
It's safe to merge this change as the related patches have not
been merged to osmo-pcu and osmo-bts yet.
Change-Id: I2709673c90a0cd7d76de9db8b8ad82ac59ca84a0
Related: SYS#4868, OS#4547
---
M library/PCUIF_Types.ttcn
M pcu/PCU_Tests.ttcn
2 files changed, 15 insertions(+), 23 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/91/19991/2
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I2709673c90a0cd7d76de9db8b8ad82ac59ca84a0
Gerrit-Change-Number: 19991
Gerrit-PatchSet: 2
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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