26 Jul
2016
26 Jul
'16
7:27 a.m.
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The branch, ttsou/egprs has been updated
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-bts/commit/?id=a95a0fe76d2b0fc4100cd7f2627b7f3…
commit a95a0fe76d2b0fc4100cd7f2627b7f38a336326e
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=0750f3de4aa12e4406a70c76a5e18f0…
commit 0750f3de4aa12e4406a70c76a5e18f0d9678b1c3
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:
.gitignore | 2 -
doc/dyn_pdch.msc | 39 ---
doc/msc-README | 2 -
include/osmo-bts/gsm_data.h | 2 +
include/osmo-bts/rsl.h | 8 +-
include/osmo-bts/scheduler.h | 4 +-
src/common/l1sap.c | 13 +-
src/common/msg_utils.c | 8 +-
src/common/oml.c | 16 +-
src/common/pcu_sock.c | 4 +-
src/common/rsl.c | 129 ++++------
src/osmo-bts-litecell15/oml.c | 4 +-
src/osmo-bts-sysmo/misc/sysmobts_eeprom.h | 2 +-
src/osmo-bts-sysmo/misc/sysmobts_par.c | 6 +
src/osmo-bts-sysmo/oml.c | 11 +-
src/osmo-bts-trx/Makefile.am | 4 +-
src/osmo-bts-trx/gsm0460.c | 73 ------
src/osmo-bts-trx/gsm0460.h | 172 -------------
src/osmo-bts-trx/gsm0503_coding.c | 409 ++++++++++++++----------------
src/osmo-bts-trx/gsm0503_coding.h | 26 +-
src/osmo-bts-trx/l1_if.c | 13 +-
src/osmo-bts-trx/scheduler_trx.c | 8 +-
tests/bursts/Makefile.am | 3 +-
23 files changed, 314 insertions(+), 644 deletions(-)
delete mode 100644 doc/dyn_pdch.msc
delete mode 100644 doc/msc-README
delete mode 100644 src/osmo-bts-trx/gsm0460.c
delete mode 100644 src/osmo-bts-trx/gsm0460.h
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Osmocom BTS-side code (Abis, scheduling, ...)