27 Jul
2016
27 Jul
'16
3:11 a.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-bts/commit/?id=5ba71448083eec6e523aee3eff54973…
commit 5ba71448083eec6e523aee3eff54973e81bcbb1b
Author: Tom Tsou <tom.tsou(a)ettus.com>
Date: Fri Jul 1 00:10:31 2016 -0700
trx: Enable EGPRS handling through burst lengths
Existing interfaces are coded with the implicit expectation of using
a burst sequence length of 148, which is constant with GSM and GPRS.
That changes with EGPRS, where the burst length may be 444 due to
the use of 8-PSK instead of GMSK modulation.
Setup the interface to accept and return a length value with the
burst sequence. This allows 444 length bit vectors to/from the
EGPRS decoder/encoder. Length is explicitly used as a identifier for
8-PSK vs. GMSK modulated sequences.
Change-Id: I90b46b46b11b6ce280e7f8232d5a2fccec2d4f18
Signed-off-by: Tom Tsou <tom.tsou(a)ettus.com>
http://cgit.osmocom.org/osmo-bts/commit/?id=7f5c74fa3aa61f170aa0ffaf5a60fe0…
commit 7f5c74fa3aa61f170aa0ffaf5a60fe06f6a60a70
Author: Tom Tsou <tom.tsou(a)ettus.com>
Date: Wed Jul 6 13:29:55 2016 -0700
trx: Add EGPRS coding and decoding procedures
Handles uplink decoding and downlink encoding procedures for MCS 1-9.
Includes Type 1, 2, and 3 headers and tables from 3GPP TS 44.060 in
order to independently recover coding and puncturing scheme (CPS)
parameters for each coded message.
Change-Id: I0f059ae34c6f36179553cbc972f8becf8179eb55
Signed-off-by: Tom Tsou <tom.tsou(a)ettus.com>
-----------------------------------------------------------------------
Summary of changes:
include/osmo-bts/scheduler.h | 10 ++
src/common/l1sap.c | 5 +
src/common/oml.c | 9 ++
src/common/pcu_sock.c | 8 ++
src/common/rsl.c | 225 ++++++++++++++++++++++++++++++++++++---
src/common/scheduler.c | 12 +--
src/osmo-bts-litecell15/l1_if.c | 13 ++-
src/osmo-bts-litecell15/oml.c | 33 ++++--
src/osmo-bts-sysmo/l1_if.c | 13 ++-
src/osmo-bts-sysmo/oml.c | 33 ++++--
src/osmo-bts-trx/scheduler_trx.c | 21 ++--
src/osmo-bts-trx/trx_if.c | 8 +-
src/osmo-bts-trx/trx_if.h | 3 -
13 files changed, 334 insertions(+), 59 deletions(-)
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Osmocom BTS-side code (Abis, scheduling, ...)