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Michael Black
OpenXG UE
Commits
fbf84026
Commit
fbf84026
authored
Oct 09, 2019
by
Raymond Knopp
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ldpc encoder bit endian (MSB->LSB) for 3GPP compliance
parent
9731c614
Changes
1
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1 changed file
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4 additions
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4 deletions
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-4
openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c
openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c
+4
-4
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openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c
View file @
fbf84026
...
...
@@ -273,7 +273,7 @@ int ldpc_encoder_optim(unsigned char *test_input,unsigned char *channel_input,sh
if
(
tinput
!=
NULL
)
start_meas
(
tinput
);
for
(
i
=
0
;
i
<
block_length
;
i
++
)
{
c
[
i
]
=
(
test_input
[
i
/
8
]
&
(
1
<<
(
i
&
7
)))
>>
(
i
&
7
);
c
[
i
]
=
(
test_input
[
i
/
8
]
&
(
1
28
>>
(
i
&
7
)))
>>
(
i
&
7
);
//printf("c(%d,%d)=%d\n",j,i,temp);
}
...
...
@@ -431,7 +431,7 @@ int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_i
for
(
i
=
(
block_length
>>
5
)
<<
5
;
i
<
block_length
;
i
++
)
{
for
(
j
=
0
;
j
<
n_segments
;
j
++
)
{
temp
=
(
test_input
[
j
][
i
/
8
]
&
(
1
<<
(
i
&
7
)))
>>
(
i
&
7
);
temp
=
(
test_input
[
j
][
i
/
8
]
&
(
1
28
>>
(
i
&
7
)))
>>
(
i
&
7
);
//printf("c(%d,%d)=%d\n",j,i,temp);
c
[
i
]
|=
(
temp
<<
j
);
}
...
...
@@ -537,7 +537,7 @@ int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **cha
#ifdef __AVX2__
__m256i
shufmask
=
_mm256_set_epi64x
(
0x0303030303030303
,
0x0202020202020202
,
0x0101010101010101
,
0x0000000000000000
);
__m256i
andmask
=
_mm256_set1_epi64x
(
0x
8040201008040201
);
// every 8 bits -> 8 bytes, pattern repeats.
__m256i
andmask
=
_mm256_set1_epi64x
(
0x
0102040810204080
);
// every 8 bits -> 8 bytes, pattern repeats.
__m256i
zero256
=
_mm256_setzero_si256
();
__m256i
masks
[
8
];
register
__m256i
c256
;
...
...
@@ -639,7 +639,7 @@ int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **cha
//for (j=0; j<n_segments; j++) {
for
(
j
=
macro_segment
;
j
<
macro_segment_end
;
j
++
)
{
temp
=
(
test_input
[
j
][
i
/
8
]
&
(
1
<<
(
i
&
7
)))
>>
(
i
&
7
);
temp
=
(
test_input
[
j
][
i
/
8
]
&
(
1
28
>>
(
i
&
7
)))
>>
(
i
&
7
);
//printf("c(%d,%d)=%d\n",j,i,temp);
c
[
i
]
|=
(
temp
<<
(
j
-
macro_segment
));
}
...
...
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