Change in osmo-bts[master]: [VAMOS] scheduler: add new GMSK training sequences from 3GPP 45.002

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laforge gerrit-no-reply at lists.osmocom.org
Fri Jun 4 20:04:15 UTC 2021 

laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/24328 )

Change subject: [VAMOS] scheduler: add new GMSK training sequences from 3GPP 45.002
......................................................................

[VAMOS] scheduler: add new GMSK training sequences from 3GPP 45.002

Change-Id: I03fe712da5a3cc1a59f40a98a57f43306c3586c6
Related: SYS#4895, OS#4941
---
M include/osmo-bts/scheduler.h
M include/osmo-bts/scheduler_backend.h
M src/common/scheduler.c
3 files changed, 44 insertions(+), 12 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  pespin: Looks good to me, but someone else must approve
  Jenkins Builder: Verified



diff --git a/include/osmo-bts/scheduler.h b/include/osmo-bts/scheduler.h
index 72858f5..9093229 100644
--- a/include/osmo-bts/scheduler.h
+++ b/include/osmo-bts/scheduler.h
@@ -13,7 +13,7 @@
 	(trx_chan_desc[chan].flags & TRX_CHAN_FLAG_AUTO_ACTIVE || (state)->active)
 
 #define TRX_GMSK_NB_TSC(br) \
-	_sched_train_seq_gmsk_nb[(br)->tsc]
+	_sched_train_seq_gmsk_nb[(br)->tsc_set][(br)->tsc]
 
 #define TRX_8PSK_NB_TSC(br) \
 	_sched_train_seq_8psk_nb[(br)->tsc]
diff --git a/include/osmo-bts/scheduler_backend.h b/include/osmo-bts/scheduler_backend.h
index d5ce5bf..c54591e 100644
--- a/include/osmo-bts/scheduler_backend.h
+++ b/include/osmo-bts/scheduler_backend.h
@@ -35,7 +35,7 @@
 extern const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX];
 
 extern const ubit_t _sched_dummy_burst[];
-extern const ubit_t _sched_train_seq_gmsk_nb[8][26];
+extern const ubit_t _sched_train_seq_gmsk_nb[4][8][26];
 extern const ubit_t _sched_train_seq_8psk_nb[8][78];
 extern const ubit_t _sched_train_seq_gmsk_sb[64];
 
diff --git a/src/common/scheduler.c b/src/common/scheduler.c
index 0b9c5d5..75cf6bd 100644
--- a/src/common/scheduler.c
+++ b/src/common/scheduler.c
@@ -62,16 +62,48 @@
 	0,0,0,
 };
 
-/*! \brief Training Sequences (TS 05.02 Chapter 5.2.3) */
-const ubit_t _sched_train_seq_gmsk_nb[8][26] = {
-	{ 0,0,1,0,0,1,0,1,1,1,0,0,0,0,1,0,0,0,1,0,0,1,0,1,1,1, },
-	{ 0,0,1,0,1,1,0,1,1,1,0,1,1,1,1,0,0,0,1,0,1,1,0,1,1,1, },
-	{ 0,1,0,0,0,0,1,1,1,0,1,1,1,0,1,0,0,1,0,0,0,0,1,1,1,0, },
-	{ 0,1,0,0,0,1,1,1,1,0,1,1,0,1,0,0,0,1,0,0,0,1,1,1,1,0, },
-	{ 0,0,0,1,1,0,1,0,1,1,1,0,0,1,0,0,0,0,0,1,1,0,1,0,1,1, },
-	{ 0,1,0,0,1,1,1,0,1,0,1,1,0,0,0,0,0,1,0,0,1,1,1,0,1,0, },
-	{ 1,0,1,0,0,1,1,1,1,1,0,1,1,0,0,0,1,0,1,0,0,1,1,1,1,1, },
-	{ 1,1,1,0,1,1,1,1,0,0,0,1,0,0,1,0,1,1,1,0,1,1,1,1,0,0, },
+/*! Training Sequences for Normal Burst (see 3GPP TS 45.002, section 5.2.3) */
+const ubit_t _sched_train_seq_gmsk_nb[4][8][26] = {
+	{ /* TSC set 1, table 5.2.3a */
+		{ 0,0,1,0,0,1,0,1,1,1,0,0,0,0,1,0,0,0,1,0,0,1,0,1,1,1 },
+		{ 0,0,1,0,1,1,0,1,1,1,0,1,1,1,1,0,0,0,1,0,1,1,0,1,1,1 },
+		{ 0,1,0,0,0,0,1,1,1,0,1,1,1,0,1,0,0,1,0,0,0,0,1,1,1,0 },
+		{ 0,1,0,0,0,1,1,1,1,0,1,1,0,1,0,0,0,1,0,0,0,1,1,1,1,0 },
+		{ 0,0,0,1,1,0,1,0,1,1,1,0,0,1,0,0,0,0,0,1,1,0,1,0,1,1 },
+		{ 0,1,0,0,1,1,1,0,1,0,1,1,0,0,0,0,0,1,0,0,1,1,1,0,1,0 },
+		{ 1,0,1,0,0,1,1,1,1,1,0,1,1,0,0,0,1,0,1,0,0,1,1,1,1,1 },
+		{ 1,1,1,0,1,1,1,1,0,0,0,1,0,0,1,0,1,1,1,0,1,1,1,1,0,0 },
+	},
+	{ /* TSC set 2, table 5.2.3b */
+		{ 0,1,1,0,0,0,1,0,0,0,1,0,0,1,0,0,1,1,1,1,0,1,0,1,1,1 },
+		{ 0,1,0,1,1,1,1,0,1,0,0,1,1,0,1,1,1,0,1,1,1,0,0,0,0,1 },
+		{ 0,1,0,0,0,0,0,1,0,1,1,0,0,0,1,1,1,0,1,1,1,0,1,1,0,0 },
+		{ 0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,0,1,1,1,1,0,1,0,0,0,0 },
+		{ 0,1,1,1,0,1,0,0,1,1,1,1,0,1,0,0,1,1,1,0,1,1,1,1,1,0 },
+		{ 0,1,0,0,0,0,0,1,0,0,1,1,0,1,0,1,0,0,1,1,1,1,0,0,1,1 },
+		{ 0,0,0,1,0,0,0,0,1,1,0,1,0,0,0,0,1,1,0,1,1,1,0,1,0,1 },
+		{ 0,1,0,0,0,1,0,1,1,1,0,0,1,1,1,1,1,1,0,0,1,0,1,0,0,1 },
+	},
+	{ /* TSC set 3, table 5.2.3c */
+		{ 1,1,0,0,0,0,1,0,0,1,0,0,0,1,1,1,1,0,1,0,1,0,0,0,1,0 },
+		{ 0,0,1,0,1,1,1,1,1,0,0,0,1,0,0,1,0,1,0,0,0,0,1,0,0,0 },
+		{ 1,1,0,0,1,0,0,0,1,1,1,1,1,0,1,1,1,0,1,0,1,1,0,1,1,0 },
+		{ 0,0,1,1,0,0,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,1,1,0,0 },
+		{ 0,0,0,1,1,1,1,0,1,0,1,1,1,0,1,0,0,0,0,1,0,0,0,1,1,0 },
+		{ 1,1,0,0,1,1,1,1,0,1,0,1,0,1,1,1,1,0,0,1,0,0,0,0,0,0 },
+		{ 1,0,1,1,1,0,0,1,1,0,1,0,1,1,1,1,1,1,0,0,0,1,0,0,0,0 },
+		{ 1,1,1,0,0,1,0,1,1,1,1,0,1,1,1,0,0,0,0,0,1,0,0,1,0,0 },
+	},
+	{ /* TSC set 4, table 5.2.3d */
+		{ 1,1,0,0,1,1,1,0,1,0,0,0,0,0,1,0,0,0,1,1,0,1,0,0,0,0 },
+		{ 0,1,1,0,0,0,1,0,0,0,0,1,0,1,0,0,0,1,0,1,1,1,0,0,0,0 },
+		{ 1,1,1,0,0,1,0,0,0,0,0,1,0,1,0,1,0,0,1,1,1,0,0,0,0,0 },
+		{ 0,1,1,0,1,1,0,0,1,1,1,1,1,0,1,0,1,0,0,0,0,1,1,0,0,0 },
+		{ 1,1,0,1,1,0,0,0,0,1,0,0,0,0,1,0,0,0,1,0,1,1,0,0,0,0 },
+		{ 1,1,0,1,0,0,1,1,1,1,1,1,1,0,1,0,0,0,1,1,0,1,0,1,1,0 },
+		{ 0,0,1,0,0,1,1,1,1,1,1,1,0,0,1,0,1,0,1,0,1,1,0,0,0,0 },
+		{ 0,1,0,1,1,1,0,0,0,0,0,0,1,0,1,0,0,1,1,0,0,0,1,1,1,0 },
+	},
 };
 
 const ubit_t _sched_train_seq_8psk_nb[8][78] = {

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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I03fe712da5a3cc1a59f40a98a57f43306c3586c6
Gerrit-Change-Number: 24328
Gerrit-PatchSet: 9
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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