Change in osmocom-bb[master]: trxcon: introduce extended (11-bit) RACH support

Vadim Yanitskiy gerrit-no-reply at lists.osmocom.org
Mon Apr 22 09:17:27 UTC 2019


Hello Harald Welte, Jenkins Builder, 

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

    https://gerrit.osmocom.org/13732

to look at the new patch set (#3).

Change subject: trxcon: introduce extended (11-bit) RACH support
......................................................................

trxcon: introduce extended (11-bit) RACH support

According to 3GPP TS 05.03, section 5.3, two coding schemes are
specified for access bursts: one for regular 8-bit bursts,
another - for extended 11-bit packet access bursts.

According to 3GPP TS 05.02, section 5.2.7, there are two
additional training (synchronization) sequences for RACH
bursts: TS1 & TS2. By default, TS0 synch. sequence is used,
unless explicitly stated otherwise (see 3GPP TS 04.60).

According to 3GPP TS 04.60, section 11.2.5a, the EGPRS capability
can be indicated by the MS using an alternative training sequence
(i.e. TS1 or TS2) and the 11-bit RACH coding scheme.

Change-Id: I36fd20cd5502ce33c52f644ee4c22abb83350df8
---
M src/host/trxcon/l1ctl.c
M src/host/trxcon/sched_lchan_rach.c
2 files changed, 125 insertions(+), 49 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/32/13732/3
-- 
To view, visit https://gerrit.osmocom.org/13732
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Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I36fd20cd5502ce33c52f644ee4c22abb83350df8
Gerrit-Change-Number: 13732
Gerrit-PatchSet: 3
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Vadim Yanitskiy <axilirator at gmail.com>
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