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常顺宇
OpenXG-RAN
Commits
44a5620c
Commit
44a5620c
authored
6 years ago
by
Guy De Souza
Committed by
Florian Kaltenberger
6 years ago
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Plain Diff
Bit reversal.
Working PBCH version
parent
cfa56a20
No related merge requests found
Changes
1
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1 changed file
with
9 additions
and
1 deletion
+9
-1
openair1/PHY/NR_TRANSPORT/nr_pbch.c
openair1/PHY/NR_TRANSPORT/nr_pbch.c
+9
-1
No files found.
openair1/PHY/NR_TRANSPORT/nr_pbch.c
View file @
44a5620c
...
@@ -226,6 +226,7 @@ void nr_init_pbch_interleaver(uint8_t *interleaver) {
...
@@ -226,6 +226,7 @@ void nr_init_pbch_interleaver(uint8_t *interleaver) {
*
(
interleaver
+
i
)
=
*
(
nr_pbch_payload_interleaving_pattern
+
j_hrf
);
*
(
interleaver
+
i
)
=
*
(
nr_pbch_payload_interleaving_pattern
+
j_hrf
);
else
// Ssb bits:3
else
// Ssb bits:3
*
(
interleaver
+
i
)
=
*
(
nr_pbch_payload_interleaving_pattern
+
j_ssb
++
);
*
(
interleaver
+
i
)
=
*
(
nr_pbch_payload_interleaving_pattern
+
j_ssb
++
);
}
}
int
nr_generate_pbch
(
NR_gNB_PBCH
*
pbch
,
int
nr_generate_pbch
(
NR_gNB_PBCH
*
pbch
,
...
@@ -250,6 +251,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
...
@@ -250,6 +251,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
uint16_t
M
;
uint16_t
M
;
uint8_t
nushift
;
uint8_t
nushift
;
uint32_t
unscrambling_mask
;
uint32_t
unscrambling_mask
;
uint64_t
a_reversed
=
0
;
LOG_I
(
PHY
,
"PBCH generation started
\n
"
);
LOG_I
(
PHY
,
"PBCH generation started
\n
"
);
...
@@ -304,8 +306,14 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
...
@@ -304,8 +306,14 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
printf
(
"pbch_a_prime: 0x%08x
\n
"
,
pbch
->
pbch_a_prime
);
printf
(
"pbch_a_prime: 0x%08x
\n
"
,
pbch
->
pbch_a_prime
);
#endif
#endif
// Encoder reversal
for
(
int
i
=
0
;
i
<
NR_POLAR_PBCH_PAYLOAD_BITS
;
i
++
)
a_reversed
|=
(((
uint64_t
)
pbch
->
pbch_a_prime
>>
i
)
&
1
)
<<
(
31
-
i
);
/// CRC, coding and rate matching
/// CRC, coding and rate matching
polar_encoder_fast
(
(
uint64_t
*
)
&
pbch
->
pbch_a_prime
,
(
uint32_t
*
)
pbch
->
pbch_e
,
0
,
polar_params
);
polar_encoder_fast
(
&
a_reversed
,
(
uint32_t
*
)
pbch
->
pbch_e
,
0
,
polar_params
);
#ifdef DEBUG_PBCH_ENCODING
#ifdef DEBUG_PBCH_ENCODING
printf
(
"Channel coding:
\n
"
);
printf
(
"Channel coding:
\n
"
);
for
(
int
i
=
0
;
i
<
NR_POLAR_PBCH_E_DWORD
;
i
++
)
for
(
int
i
=
0
;
i
<
NR_POLAR_PBCH_E_DWORD
;
i
++
)
...
...
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