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oai
openairinterface5G
Commits
6a2dc297
Commit
6a2dc297
authored
Oct 12, 2018
by
knopp
Browse files
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compilation of nr-uesoftmodem fixed (polar_decoder parameter list)
parent
9d9aadd4
Changes
3
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Showing
3 changed files
with
25 additions
and
111 deletions
+25
-111
openair1/PHY/CODING/TESTBENCH/polartest.c
openair1/PHY/CODING/TESTBENCH/polartest.c
+3
-17
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
+17
-76
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
+5
-18
No files found.
openair1/PHY/CODING/TESTBENCH/polartest.c
View file @
6a2dc297
...
...
@@ -191,15 +191,9 @@ int main(int argc, char *argv[]) {
start_meas
(
&
timeDecoder
);
if
(
decoder_int8
==
0
)
decoderState
=
polar_decoder
(
channelOutput
,
estimatedOutput
,
&
nrPolar_params
,
decoderListSize
,
aPrioriArray
,
pathMetricAppr
,
&
polar_decoder_init
,
&
polar_rate_matching
,
&
decoding
,
&
bit_extraction
,
&
deinterleaving
,
&
sorting
,
&
path_metric
,
&
update_LLR
);
decoderListSize
,
aPrioriArray
,
pathMetricAppr
);
else
decoderState
=
polar_decoder_int8_new
(
channelOutput_int8
,
estimatedOutput
,
&
nrPolar_params
,
decoderListSize
,
&
polar_decoder_init
,
&
polar_rate_matching
,
&
decoding
,
&
bit_extraction
,
&
deinterleaving
,
&
sorting
,
&
path_metric
,
&
update_LLR
,
generate_optim_code
);
decoderState
=
polar_decoder_int8_new
(
channelOutput_int8
,
estimatedOutput
,
&
nrPolar_params
);
stop_meas
(
&
timeDecoder
);
//calculate errors
...
...
@@ -237,15 +231,7 @@ int main(int argc, char *argv[]) {
decoderListSize
,
pathMetricAppr
,
SNR
,
((
double
)
blockErrorCumulative
/
iterations
),
((
double
)
bitErrorCumulative
/
(
iterations
*
testLength
)),
(
timeEncoderCumulative
/
iterations
),
timeDecoderCumulative
/
iterations
);
printf
(
"decoding init %9.3fus
\n
"
,
polar_decoder_init
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
polar_decoder_init
.
trials
));
printf
(
"decoding polar_rate_matching %9.3fus
\n
"
,
polar_rate_matching
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
polar_rate_matching
.
trials
));
printf
(
"decoding decoding %9.3fus
\n
"
,
decoding
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
decoding
.
trials
));
printf
(
"decoding bit_extraction %9.3fus
\n
"
,
bit_extraction
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
bit_extraction
.
trials
));
printf
(
"decoding deinterleaving %9.3fus
\n
"
,
deinterleaving
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
deinterleaving
.
trials
));
printf
(
"decoding path_metric %9.3fus
\n
"
,
path_metric
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
decoding
.
trials
));
printf
(
"decoding sorting %9.3fus
\n
"
,
sorting
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
decoding
.
trials
));
printf
(
"decoding updateLLR %9.3fus
\n
"
,
update_LLR
.
diff
/
(
cpu_freq_GHz
*
1000
.
0
*
decoding
.
trials
));
blockErrorCumulative
=
0
;
bitErrorCumulative
=
0
;
timeEncoderCumulative
=
0
;
timeDecoderCumulative
=
0
;
}
...
...
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
View file @
6a2dc297
...
...
@@ -27,7 +27,6 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#include "PHY/TOOLS/time_meas.h"
int8_t
polar_decoder
(
...
...
@@ -36,19 +35,7 @@ int8_t polar_decoder(
t_nrPolar_params
*
polarParams
,
uint8_t
listSize
,
double
*
aPrioriPayload
,
uint8_t
pathMetricAppr
,
time_stats_t
*
init
,
time_stats_t
*
polar_rate_matching
,
time_stats_t
*
decoding
,
time_stats_t
*
bit_extraction
,
time_stats_t
*
deinterleaving
,
time_stats_t
*
sorting
,
time_stats_t
*
path_metric
,
time_stats_t
*
update_LLR
)
{
start_meas
(
init
);
uint8_t
pathMetricAppr
)
{
uint8_t
**
extended_crc_generator_matrix
=
malloc
(
polarParams
->
K
*
sizeof
(
uint8_t
*
));
//G_P3
uint8_t
**
tempECGM
=
malloc
(
polarParams
->
K
*
sizeof
(
uint8_t
*
));
//G_P2
for
(
int
i
=
0
;
i
<
polarParams
->
K
;
i
++
){
...
...
@@ -102,18 +89,14 @@ int8_t polar_decoder(
}
stop_meas
(
init
);
start_meas
(
polar_rate_matching
);
double
d_tilde
[
polarParams
->
N
];
// = malloc(sizeof(double) * polarParams->N);
nr_polar_rate_matching
(
input
,
d_tilde
,
polarParams
->
rate_matching_pattern
,
polarParams
->
K
,
polarParams
->
N
,
polarParams
->
encoderLength
);
memcpy
((
void
*
)
&
dlist
[
0
].
llr
[
polarParams
->
n
][
0
],(
void
*
)
&
d_tilde
[
0
],
sizeof
(
double
)
*
polarParams
->
N
);
stop_meas
(
polar_rate_matching
);
/*
* SCL polar decoder.
*/
start_meas
(
decoding
);
uint32_t
nonFrozenBit
=
0
;
uint8_t
currentListSize
=
1
;
...
...
@@ -128,9 +111,7 @@ int8_t polar_decoder(
// printf("***************** BIT %d (currentListSize %d, information_bit_pattern %d)\n",
// currentBit,currentListSize,polarParams->information_bit_pattern[currentBit]);
start_meas
(
update_LLR
);
updateLLR
(
sorted_dlist
,
llrUpdated
,
bitUpdated
,
currentListSize
,
currentBit
,
0
,
polarParams
->
N
,
(
polarParams
->
n
+
1
),
pathMetricAppr
);
stop_meas
(
update_LLR
);
if
(
polarParams
->
information_bit_pattern
[
currentBit
]
==
0
)
{
//Frozen bit.
updatePathMetric
(
sorted_dlist
,
currentListSize
,
0
,
currentBit
,
pathMetricAppr
);
//approximation=0 --> 11b, approximation=1 --> 12
...
...
@@ -148,11 +129,9 @@ int8_t polar_decoder(
updateCrcChecksum
(
sorted_dlist
,
extended_crc_generator_matrix
,
currentListSize
,
nonFrozenBit
,
polarParams
->
crcParityBits
);
}
else
{
start_meas
(
path_metric
);
updatePathMetric2
(
sorted_dlist
,
currentListSize
,
currentBit
,
pathMetricAppr
);
stop_meas
(
path_metric
);
start_meas
(
sorting
);
if
(
currentListSize
<=
listSize
/
2
)
{
...
...
@@ -243,7 +222,6 @@ int8_t polar_decoder(
sorted_dlist
[
i
]
=
temp_dlist
[
listIndex
[
i
]];
}
}
stop_meas
(
sorting
);
}
nonFrozenBit
++
;
...
...
@@ -260,14 +238,10 @@ int8_t polar_decoder(
if
(
crcState
==
1
)
{
for
(
int
j
=
0
;
j
<
polarParams
->
N
;
j
++
)
polarParams
->
nr_polar_u
[
j
]
=
sorted_dlist
[
i
]
->
bit
[
0
][
j
];
start_meas
(
bit_extraction
);
//Extract the information bits (û to ĉ)
nr_polar_info_bit_extraction
(
polarParams
->
nr_polar_u
,
polarParams
->
nr_polar_cPrime
,
polarParams
->
information_bit_pattern
,
polarParams
->
N
);
stop_meas
(
bit_extraction
);
//Deinterleaving (ĉ to b)
start_meas
(
deinterleaving
);
nr_polar_deinterleaver
(
polarParams
->
nr_polar_cPrime
,
polarParams
->
nr_polar_b
,
polarParams
->
interleaving_pattern
,
polarParams
->
K
);
stop_meas
(
deinterleaving
);
//Remove the CRC (â)
for
(
int
j
=
0
;
j
<
polarParams
->
payloadBits
;
j
++
)
output
[
j
]
=
polarParams
->
nr_polar_b
[
j
];
...
...
@@ -285,7 +259,7 @@ int8_t polar_decoder(
}*/
nr_free_uint8_t_2D_array
(
extended_crc_generator_matrix
,
polarParams
->
K
);
nr_free_uint8_t_2D_array
(
tempECGM
,
polarParams
->
K
);
stop_meas
(
decoding
);
return
(
0
);
}
...
...
@@ -296,15 +270,8 @@ int8_t polar_decoder_int8(int16_t *input,
uint8_t
*
output
,
t_nrPolar_params
*
polarParams
,
uint8_t
listSize
,
time_stats_t
*
init
,
time_stats_t
*
polar_rate_matching
,
time_stats_t
*
decoding
,
time_stats_t
*
bit_extraction
,
time_stats_t
*
deinterleaving
,
time_stats_t
*
sorting
,
time_stats_t
*
path_metric
,
time_stats_t
*
update_LLR
,
int
generate_optim_code
)
{
...
...
@@ -318,7 +285,6 @@ int8_t polar_decoder_int8(int16_t *input,
decoder_list_int8_t
dlist
[
2
*
listSize
];
start_meas
(
init
);
for
(
int
i
=
0
;
i
<
2
*
listSize
;
i
++
)
{
// dlist[i].bit = nr_alloc_uint8_t_2D_array((polarParams->n+1), polarParams->N);
...
...
@@ -332,7 +298,6 @@ int8_t polar_decoder_int8(int16_t *input,
dlist
[
i
].
pathMetric
=
0
;
}
stop_meas
(
init
);
if
(
generate_optim_code
==
1
||
polarParams
->
decoder_kernel
==
NULL
)
{
for
(
int
i
=
0
;
i
<
polarParams
->
N
;
i
++
)
{
...
...
@@ -345,7 +310,6 @@ int8_t polar_decoder_int8(int16_t *input,
start_meas
(
polar_rate_matching
);
int16_t
d_tilde
[
polarParams
->
N
];
// = malloc(sizeof(double) * polarParams->N);
nr_polar_rate_matching_int8
(
input
,
d_tilde
,
polarParams
->
rate_matching_pattern
,
polarParams
->
K
,
polarParams
->
N
,
polarParams
->
encoderLength
);
...
...
@@ -354,12 +318,11 @@ int8_t polar_decoder_int8(int16_t *input,
else
if
(
d_tilde
[
i
]
>
127
)
d_tilde
[
i
]
=
128
;
}
memcpy
((
void
*
)
&
dlist
[
0
].
llr
[
polarParams
->
n
][
0
],(
void
*
)
&
d_tilde
[
0
],
sizeof
(
int16_t
)
*
polarParams
->
N
);
stop_meas
(
polar_rate_matching
);
/*
* SCL polar decoder.
*/
start_meas
(
decoding
);
uint32_t
nonFrozenBit
=
0
;
uint8_t
currentListSize
=
1
;
...
...
@@ -383,18 +346,16 @@ int8_t polar_decoder_int8(int16_t *input,
printf
(
"***************** BIT %d (currentListSize %d, information_bit_pattern %d)
\n
"
,
currentBit
,
currentListSize
,
polarParams
->
information_bit_pattern
[
currentBit
]);
start_meas
(
update_LLR
);
updateLLR_int8
(
sorted_dlist
,
llrUpdated
,
bitUpdated
,
currentListSize
,
currentBit
,
0
,
polarParams
->
N
,
(
polarParams
->
n
+
1
),
generate_optim_code
,
fd
);
stop_meas
(
update_LLR
);
if
(
polarParams
->
information_bit_pattern
[
currentBit
]
==
0
)
{
//Frozen bit.
updatePathMetric0_int8
(
sorted_dlist
,
currentListSize
,
currentBit
,
generate_optim_code
,
fd
);
//approximation=0 --> 11b, approximation=1 --> 12
}
else
{
//Information or CRC bit.
start_meas
(
path_metric
);
updatePathMetric2_int8
(
sorted_dlist
,
currentListSize
,
currentBit
,
generate_optim_code
,
fd
);
stop_meas
(
path_metric
);
start_meas
(
sorting
);
if
(
currentListSize
<=
listSize
/
2
)
{
// until listsize is full we need to copy bit and LLR arrays to new entries
...
...
@@ -426,7 +387,6 @@ int8_t polar_decoder_int8(int16_t *input,
currentListSize
=
listSize
;
}
stop_meas
(
sorting
);
nonFrozenBit
++
;
}
...
...
@@ -446,14 +406,11 @@ int8_t polar_decoder_int8(int16_t *input,
if
(
crcState
==
1
)
{
for
(
int
j
=
0
;
j
<
polarParams
->
N
;
j
++
)
polarParams
->
nr_polar_u
[
j
]
=
sorted_dlist
[
i
]
->
bit
[
0
][
j
];
start_meas
(
bit_extraction
);
//Extract the information bits (û to ĉ)
nr_polar_info_bit_extraction
(
polarParams
->
nr_polar_u
,
polarParams
->
nr_polar_cPrime
,
polarParams
->
information_bit_pattern
,
polarParams
->
N
);
stop_meas
(
bit_extraction
);
//Deinterleaving (ĉ to b)
start_meas
(
deinterleaving
);
nr_polar_deinterleaver
(
polarParams
->
nr_polar_cPrime
,
polarParams
->
nr_polar_b
,
polarParams
->
interleaving_pattern
,
polarParams
->
K
);
stop_meas
(
deinterleaving
);
//Remove the CRC (â)
for
(
int
j
=
0
;
j
<
polarParams
->
payloadBits
;
j
++
)
output
[
j
]
=
polarParams
->
nr_polar_b
[
j
];
...
...
@@ -469,31 +426,16 @@ int8_t polar_decoder_int8(int16_t *input,
nr_free_double_2D_array(dlist[i].llr, (polarParams->n+1));
free(dlist[i].crcChecksum);
}*/
stop_meas
(
decoding
);
return
(
0
);
}
int8_t
polar_decoder_int8_new
(
int16_t
*
input
,
uint8_t
*
output
,
t_nrPolar_params
*
polarParams
,
uint8_t
listSize
,
time_stats_t
*
init
,
time_stats_t
*
polar_rate_matching
,
time_stats_t
*
decoding
,
time_stats_t
*
bit_extraction
,
time_stats_t
*
deinterleaving
,
time_stats_t
*
sorting
,
time_stats_t
*
path_metric
,
time_stats_t
*
update_LLR
,
int
generate_optim_code
)
t_nrPolar_params
*
polarParams
)
{
start_meas
(
init
);
stop_meas
(
init
);
start_meas
(
polar_rate_matching
);
int16_t
d_tilde
[
polarParams
->
N
];
// = malloc(sizeof(double) * polarParams->N);
nr_polar_rate_matching_int8
(
input
,
d_tilde
,
polarParams
->
rate_matching_pattern
,
polarParams
->
K
,
polarParams
->
N
,
polarParams
->
encoderLength
);
...
...
@@ -502,23 +444,22 @@ int8_t polar_decoder_int8_new(int16_t *input,
else
if
(
d_tilde
[
i
]
>
127
)
d_tilde
[
i
]
=
128
;
}
memcpy
((
void
*
)
&
polarParams
->
tree
.
root
->
alpha
[
0
],(
void
*
)
&
d_tilde
[
0
],
sizeof
(
int16_t
)
*
polarParams
->
N
);
stop_meas
(
polar_rate_matching
);
/*
* SCL polar decoder.
*/
start_meas
(
decoding
);
generic_polar_decoder
(
polarParams
,
polarParams
->
tree
.
root
);
start_meas
(
bit_extraction
);
//Extract the information bits (û to ĉ)
nr_polar_info_bit_extraction
(
polarParams
->
nr_polar_u
,
polarParams
->
nr_polar_cPrime
,
polarParams
->
information_bit_pattern
,
polarParams
->
N
);
stop_meas
(
bit_extraction
);
//Deinterleaving (ĉ to b)
start_meas
(
deinterleaving
);
nr_polar_deinterleaver
(
polarParams
->
nr_polar_cPrime
,
polarParams
->
nr_polar_b
,
polarParams
->
interleaving_pattern
,
polarParams
->
K
);
stop_meas
(
deinterleaving
);
//Remove the CRC (â)
for
(
int
j
=
0
;
j
<
polarParams
->
payloadBits
;
j
++
)
output
[
j
]
=
polarParams
->
nr_polar_b
[
j
];
...
...
@@ -532,6 +473,6 @@ int8_t polar_decoder_int8_new(int16_t *input,
nr_free_double_2D_array(dlist[i].llr, (polarParams->n+1));
free(dlist[i].crcChecksum);
}*/
stop_meas
(
decoding
);
return
(
0
);
}
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
View file @
6a2dc297
...
...
@@ -30,7 +30,6 @@
#include <stdlib.h>
#include <string.h>
#include "PHY/TOOLS/time_meas.h"
static
const
uint8_t
nr_polar_subblock_interleaver_pattern
[
32
]
=
{
0
,
1
,
2
,
4
,
3
,
5
,
6
,
7
,
8
,
16
,
9
,
17
,
10
,
18
,
11
,
19
,
12
,
20
,
13
,
21
,
14
,
22
,
15
,
23
,
24
,
25
,
26
,
28
,
27
,
29
,
30
,
31
};
...
...
@@ -126,30 +125,18 @@ void polar_encoder(uint8_t *input, uint8_t *output, t_nrPolar_params* polarParam
void
nr_polar_kernal_operation
(
uint8_t
*
u
,
uint8_t
*
d
,
uint16_t
N
);
int8_t
polar_decoder
(
double
*
input
,
uint8_t
*
output
,
t_nrPolar_params
*
polarParams
,
uint8_t
listSize
,
double
*
aPrioriPayload
,
uint8_t
pathMetricAppr
,
time_stats_t
*
init
,
time_stats_t
*
polar_rate_matching
,
time_stats_t
*
decoding
,
time_stats_t
*
bit_extraction
,
time_stats_t
*
deinterleaving
,
time_stats_t
*
sorting
,
time_stats_t
*
path_metric
,
time_stats_t
*
update_LLR
);
uint8_t
listSize
,
double
*
aPrioriPayload
,
uint8_t
pathMetricAppr
);
int8_t
polar_decoder_int8
(
int16_t
*
input
,
uint8_t
*
output
,
t_nrPolar_params
*
polarParams
,
uint8_t
listSize
,
time_stats_t
*
init
,
time_stats_t
*
polar_rate_matching
,
time_stats_t
*
decoding
,
time_stats_t
*
bit_extraction
,
time_stats_t
*
deinterleaving
,
time_stats_t
*
sorting
,
time_stats_t
*
path_metric
,
time_stats_t
*
update_LLR
,
int
generate_optim_code
);
int8_t
polar_decoder_int8_new
(
int16_t
*
input
,
uint8_t
*
output
,
t_nrPolar_params
*
polarParams
);
void
nr_polar_llrtableinit
(
void
);
...
...
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