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Michael Black
OpenXG UE
Commits
839b6b86
Commit
839b6b86
authored
Sep 13, 2018
by
Hongzhi Wang
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nr adding rate matching interleaving
parent
cf8ef904
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4
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4 changed files
with
248 additions
and
2 deletions
+248
-2
cmake_targets/CMakeLists.txt
cmake_targets/CMakeLists.txt
+1
-0
openair1/PHY/CODING/coding_defs.h
openair1/PHY/CODING/coding_defs.h
+1
-0
openair1/PHY/CODING/nr_rate_matching.c
openair1/PHY/CODING/nr_rate_matching.c
+244
-0
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
+2
-2
No files found.
cmake_targets/CMakeLists.txt
View file @
839b6b86
...
...
@@ -1179,6 +1179,7 @@ set(PHY_SRC_COMMON
${
OPENAIR1_DIR
}
/PHY/CODING/lte_segmentation.c
${
OPENAIR1_DIR
}
/PHY/CODING/nr_segmentation.c
${
OPENAIR1_DIR
}
/PHY/CODING/nr_compute_tbs.c
${
OPENAIR1_DIR
}
/PHY/CODING/nr_rate_matching.c
${
OPENAIR1_DIR
}
/PHY/CODING/ccoding_byte.c
${
OPENAIR1_DIR
}
/PHY/CODING/ccoding_byte_lte.c
${
OPENAIR1_DIR
}
/PHY/CODING/3gpplte_sse.c
...
...
openair1/PHY/CODING/coding_defs.h
View file @
839b6b86
...
...
@@ -40,6 +40,7 @@
#define MAX_TURBO_ITERATIONS max_turbo_iterations
#define LTE_NULL 2
#define NR_NULL 2
/** @addtogroup _PHY_CODING_BLOCKS_
* @{
...
...
openair1/PHY/CODING/nr_rate_matching.c
0 → 100644
View file @
839b6b86
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/* file: nr_rate_matching.c
purpose: Procedures for rate matching/interleaving for NR LDPC
author: hongzhi.wang@tcl.com
*/
#include "PHY/defs_gNB.h"
#include "PHY/defs_nr_UE.h"
//#define RM_DEBUG 1
uint8_t
index_k0
[
2
][
4
]
=
{{
0
,
17
,
33
,
56
},{
0
,
13
,
25
,
43
}};
void
nr_interleaving_ldpc
(
uint32_t
E
,
uint8_t
Qm
,
uint8_t
*
e
,
uint8_t
*
f
)
{
uint32_t
EQm
;
EQm
=
E
/
Qm
;
memset
(
f
,
0
,
E
*
sizeof
(
uint8_t
));
for
(
int
j
=
0
;
j
<
EQm
;
j
++
){
for
(
int
i
=
0
;
i
<
Qm
;
i
++
){
f
[(
i
+
j
*
Qm
)]
=
e
[(
i
*
EQm
+
j
)];
}
}
}
void
nr_deinterleaving_ldpc
(
uint32_t
E
,
uint8_t
Qm
,
uint8_t
*
e
,
uint8_t
*
f
)
{
uint32_t
EQm
;
EQm
=
E
/
Qm
;
memset
(
f
,
0
,
E
*
sizeof
(
uint8_t
));
for
(
int
j
=
0
;
j
<
EQm
;
j
++
){
for
(
int
i
=
0
;
i
<
Qm
;
i
++
){
e
[(
i
*
EQm
+
j
)]
=
f
[(
i
+
j
*
Qm
)];
}
}
}
uint32_t
nr_rate_matching_ldpc
(
uint8_t
Ilbrm
,
uint32_t
Tbslbrm
,
uint8_t
BG
,
uint16_t
Z
,
uint32_t
G
,
uint8_t
*
w
,
uint8_t
*
e
,
uint8_t
C
,
uint8_t
rvidx
,
uint8_t
Qm
,
uint8_t
Nl
,
uint8_t
r
)
{
uint8_t
Cprime
;
uint32_t
Ncb
,
E
,
ind
,
k
,
Nref
,
N
;
uint8_t
*
e2
;
AssertFatal
(
Nl
>
0
,
"Nl is 0
\n
"
);
AssertFatal
(
Qm
>
0
,
"Qm is 0
\n
"
);
//Bit selection
N
=
(
BG
==
1
)
?
(
66
*
Z
)
:
(
50
*
Z
);
if
(
Ilbrm
==
0
)
Ncb
=
N
;
else
{
Nref
=
3
*
Tbslbrm
/
(
2
*
C
);
//R_LBRM = 2/3
Ncb
=
min
(
N
,
Nref
);
}
#ifdef RM_DEBUG
printf
(
"nr_rate_matching: Ncb %d, rvidx %d, G %d, Qm %d, Nl%d, r %d
\n
"
,
Ncb
,
rvidx
,
G
,
Qm
,
Nl
,
r
);
#endif
Cprime
=
C
;
//assume CBGTI not present
printf
(
"comp r %d
\n
"
,
Cprime
-
((
G
/
(
Nl
*
Qm
))
%
Cprime
)
-
1
);
if
(
r
<=
Cprime
-
((
G
/
(
Nl
*
Qm
))
%
Cprime
)
-
1
)
E
=
Nl
*
Qm
*
(
G
/
(
Nl
*
Qm
*
Cprime
));
else
E
=
Nl
*
Qm
*
((
G
/
(
Nl
*
Qm
*
Cprime
))
+
1
);
ind
=
(
index_k0
[
BG
-
1
][
rvidx
]
*
Ncb
/
N
)
*
Z
;
#ifdef RM_DEBUG
printf
(
"nr_rate_matching: E %d, k0 %d
\n
"
,
E
,
ind
);
#endif
e2
=
e
;
k
=
0
;
for
(;
(
ind
<
Ncb
)
&&
(
k
<
E
);
ind
++
)
{
#ifdef RM_DEBUG
printf
(
"RM_TX k%d Ind: %d (%d)
\n
"
,
k
,
ind
,
w
[
ind
]);
#endif
if
(
w
[
ind
]
!=
NR_NULL
)
e2
[
k
++
]
=
w
[
ind
];
}
while
(
k
<
E
)
{
for
(
ind
=
0
;
(
ind
<
Ncb
)
&&
(
k
<
E
);
ind
++
)
{
#ifdef RM_DEBUG
printf
(
"RM_TX k%d Ind: %d (%d)
\n
"
,
k
,
ind
,
w
[
ind
]);
#endif
if
(
w
[
ind
]
!=
NR_NULL
)
e2
[
k
++
]
=
w
[
ind
];
}
}
return
(
E
);
}
int
nr_rate_matching_ldpc_rx
(
uint8_t
Ilbrm
,
uint32_t
Tbslbrm
,
uint8_t
BG
,
uint16_t
Z
,
uint32_t
G
,
int16_t
*
w
,
int16_t
*
soft_input
,
uint8_t
C
,
uint8_t
rvidx
,
uint8_t
clear
,
uint8_t
Qm
,
uint8_t
Nl
,
uint8_t
r
,
uint32_t
*
E_out
)
{
uint8_t
Cprime
;
uint32_t
Ncb
,
E
,
ind
,
k
,
Nref
,
N
;
int16_t
*
soft_input2
;
#ifdef RM_DEBUG
int
nulled
=
0
;
#endif
if
(
C
==
0
||
Qm
==
0
||
Nl
==
0
)
{
printf
(
"nr_rate_matching: invalid parameters (C %d, Qm %d, Nl %d
\n
"
,
C
,
Qm
,
Nl
);
return
(
-
1
);
}
AssertFatal
(
Nl
>
0
,
"Nl is 0
\n
"
);
AssertFatal
(
Qm
>
0
,
"Qm is 0
\n
"
);
//Bit selection
N
=
(
BG
==
1
)
?
(
66
*
Z
)
:
(
50
*
Z
);
if
(
Ilbrm
==
0
)
Ncb
=
N
;
else
{
Nref
=
(
3
*
Tbslbrm
/
(
2
*
C
));
//R_LBRM = 2/3
Ncb
=
min
(
N
,
Nref
);
}
Cprime
=
C
;
//assume CBGTI not present
if
(
r
<=
Cprime
-
((
G
/
(
Nl
*
Qm
))
%
Cprime
)
-
1
)
E
=
Nl
*
Qm
*
(
G
/
(
Nl
*
Qm
*
Cprime
));
else
E
=
Nl
*
Qm
*
((
G
/
(
Nl
*
Qm
*
Cprime
))
+
1
);
ind
=
(
index_k0
[
BG
-
1
][
rvidx
]
*
Ncb
/
N
)
*
Z
;
#ifdef RM_DEBUG
printf
(
"nr_rate_matching_ldpc_rx: Clear %d, E %d, Ncb %d,rvidx %d, G %d, Qm %d, Nl%d, r %d
\n
"
,
clear
,
E
,
Ncb
,
rvidx
,
G
,
Qm
,
Nl
,
r
);
#endif
if
(
clear
==
1
)
memset
(
w
,
0
,
Ncb
*
sizeof
(
int16_t
));
soft_input2
=
soft_input
;
k
=
0
;
for
(;
(
ind
<
Ncb
)
&&
(
k
<
E
);
ind
++
)
{
if
(
soft_input2
[
ind
]
!=
NR_NULL
)
{
w
[
ind
]
+=
soft_input2
[
k
++
];
#ifdef RM_DEBUG
printf
(
"RM_RX k%d Ind: %d (%d)
\n
"
,
k
-
1
,
ind
,
w
[
ind
]);
#endif
}
#ifdef RM_DEBUG
else
{
printf
(
"RM_RX Ind: %d NULL %d
\n
"
,
ind
,
nulled
);
nulled
++
;
}
#endif
}
while
(
k
<
E
)
{
for
(
ind
=
0
;
(
ind
<
Ncb
)
&&
(
k
<
E
);
ind
++
)
{
if
(
soft_input2
[
ind
]
!=
NR_NULL
)
{
w
[
ind
]
+=
soft_input2
[
k
++
];
#ifdef RM_DEBUG
printf
(
"RM_RX k%d Ind: %d (%d)(soft in %d)
\n
"
,
k
-
1
,
ind
,
w
[
ind
],
soft_input2
[
k
-
1
]);
#endif
}
#ifdef RM_DEBUG
else
{
printf
(
"RM_RX Ind: %d NULL %d
\n
"
,
ind
,
nulled
);
nulled
++
;
}
#endif
}
}
*
E_out
=
E
;
return
(
0
);
}
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @
839b6b86
...
...
@@ -41,7 +41,7 @@
#include "refsig_defs_ue.h"
#include "PHY/defs_nr_UE.h"
#include "nr_mod_table.h"
//
#include "nr_mod_table.h"
#include "log.h"
/*Table 7.4.1.1.2-1/2 from 38.211 */
...
...
@@ -51,7 +51,7 @@ int wf2[12][2] = {{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,1},{1,1},{1,-1
int
wt2
[
12
][
2
]
=
{{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
}};
short
nr_rx_mod_table
[
NR_MOD_TABLE_SIZE_SHORT
]
=
{
0
,
0
,
23170
,
-
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
-
23170
,
-
23170
,
23170
};
short
nr_rx_mod_table
[
14
]
=
{
0
,
0
,
23170
,
-
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
-
23170
,
-
23170
,
23170
};
/*int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
...
...
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