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Michael Black
OpenXG UE
Commits
28b1435c
Commit
28b1435c
authored
Oct 30, 2018
by
Guy De Souza
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Debug info
parent
f1e62f24
Changes
1
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1 changed file
with
54 additions
and
8 deletions
+54
-8
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+54
-8
No files found.
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @
28b1435c
...
...
@@ -35,6 +35,7 @@
#include "nr_sch_dmrs.h"
#define DEBUG_DLSCH
#define DEBUG_DLSCH_MAPPING
uint8_t
mod_order
[
5
]
=
{
1
,
2
,
4
,
6
,
8
};
uint16_t
mod_offset
[
5
]
=
{
1
,
3
,
7
,
23
,
87
};
...
...
@@ -203,6 +204,20 @@ uint8_t nr_generate_pdsch(NR_gNB_DLSCH_t dlsch,
/// CRC, coding, interleaving and rate matching
nr_dlsch_encoding
(
harq
->
pdu
,
subframe
,
&
dlsch
,
&
frame_parms
);
#ifdef DEBUG_DLSCH
printf
(
"PDSCH encoding:
\n
Payload:
\n
"
);
for
(
int
i
=
0
;
i
<
MAX_NR_DLSCH_PAYLOAD_BYTES
>>
4
;
i
++
)
{
for
(
int
j
=
0
;
j
<
16
;
j
++
)
printf
(
"0x%02x
\t
"
,
harq
->
pdu
[(
i
<<
4
)
+
j
]);
printf
(
"
\n
"
);
}
printf
(
"
\n
Encoded payload:
\n
"
);
for
(
int
i
=
0
;
i
<
TBS
>>
4
;
i
++
)
{
for
(
int
j
=
0
;
j
<
16
;
j
++
)
printf
(
"0x%02x
\t
"
,
harq
->
f
[(
i
<<
4
)
+
j
]);
printf
(
"
\n
"
);
}
#endif
/// scrambling
uint16_t
n_RNTI
=
(
pdcch_params
.
search_space_type
==
NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC
)
?
\
...
...
@@ -217,12 +232,13 @@ uint8_t nr_generate_pdsch(NR_gNB_DLSCH_t dlsch,
n_RNTI
,
scrambled_output
[
q
]);
#ifdef DEBUG_DLSCH
//printf("PDSCH Scrambling(TBS %d): before \t after \n", TBS);
//for (int i=0; i<TBS; i++) {
//printf("%d\t%d\n", harq->f[i], scrambled_output[0][i]);
//}
printf
(
"PDSCH scrambling:
\n
"
);
for
(
int
i
=
0
;
i
<
TBS
>>
7
;
i
++
)
{
for
(
int
j
=
0
;
j
<
8
;
j
++
)
printf
(
"0x%08x
\t
"
,
scrambled_output
[
0
][(
i
<<
3
)
+
j
]);
printf
(
"
\n
"
);
}
#endif
/// Modulation
n_symbs
=
TBS
/
Qm
;
...
...
@@ -233,9 +249,9 @@ uint8_t nr_generate_pdsch(NR_gNB_DLSCH_t dlsch,
mod_symbs
[
q
]);
#ifdef DEBUG_DLSCH
printf
(
"PDSCH Modulation: Qm %d(%d)
\n
"
,
Qm
,
n_symbs
);
for
(
int
i
=
0
;
i
<
n_symbs
;
i
++
)
{
for
(
int
j
=
0
;
j
<
Qm
;
j
++
)
{
printf
(
"%d %d
\t
"
,
mod_symbs
[
0
][(
i
*
Qm
+
j
)
<<
1
],
mod_symbs
[
0
][((
i
*
Qm
+
j
)
<<
1
)
+
1
]);
for
(
int
i
=
0
;
i
<
n_symbs
>>
3
;
i
++
)
{
for
(
int
j
=
0
;
j
<
8
;
j
++
)
{
printf
(
"%d %d
\t
"
,
mod_symbs
[
0
][(
(
i
<<
3
)
+
j
)
<<
1
],
mod_symbs
[
0
][(((
i
<<
3
)
+
j
)
<<
1
)
+
1
]);
}
printf
(
"
\n
"
);
}
...
...
@@ -247,6 +263,16 @@ for (int i=0; i<n_symbs; i++) {
rel15
->
nb_layers
,
n_symbs
,
tx_layers
);
#ifdef DEBUG_DLSCH
printf
(
"Layer mapping (%d layers):
\n
"
,
rel15
->
nb_layers
);
for
(
int
l
=
0
;
l
<
rel15
->
nb_layers
;
l
++
)
for
(
int
i
=
0
;
i
<
n_symbs
>>
3
;
i
++
)
{
for
(
int
j
=
0
;
j
<
8
;
j
++
)
{
printf
(
"%d %d
\t
"
,
tx_layers
[
l
][((
i
<<
3
)
+
j
)
<<
1
],
tx_layers
[
l
][(((
i
<<
3
)
+
j
)
<<
1
)
+
1
]);
}
printf
(
"
\n
"
);
}
#endif
/// Antenna port mapping
//to be moved to init phase potentially, for now tx_layers 1-8 are mapped on antenna ports 1000-1007
...
...
@@ -257,6 +283,15 @@ for (int i=0; i<n_symbs; i++) {
uint8_t
dmrs_type
=
config
.
pdsch_config
.
dmrs_type
.
value
;
l0
=
get_l0
(
dmrs_type
,
2
);
//config.pdsch_config.dmrs_typeA_position.value);
nr_modulation
(
pdsch_dmrs
[
l0
],
n_dmrs
,
MOD_QPSK
,
mod_dmrs
);
#ifdef DEBUG_DLSCH
printf
(
"DMRS modulation (single symbol %d, %d symbols):
\n
"
,
l0
,
n_dmrs
);
for
(
int
i
=
0
;
i
<
n_dmrs
>>
3
;
i
++
)
{
for
(
int
j
=
0
;
j
<
8
;
j
++
)
{
printf
(
"%d %d
\t
"
,
mod_dmrs
[((
i
<<
3
)
+
j
)
<<
1
],
mod_dmrs
[(((
i
<<
3
)
+
j
)
<<
1
)
+
1
]);
}
printf
(
"
\n
"
);
}
#endif
/// Resource mapping
AssertFatal
(
rel15
->
nb_layers
<=
config
.
rf_config
.
tx_antenna_ports
.
value
,
"Not enough Tx antennas (%d) for %d layers
\n
"
,
\
...
...
@@ -273,6 +308,9 @@ for (int i=0; i<n_symbs; i++) {
get_Wt
(
Wt
,
ap
,
dmrs_type
);
get_Wf
(
Wf
,
ap
,
dmrs_type
);
delta
=
get_delta
(
ap
,
dmrs_type
);
#ifdef DEBUG_DLSCH_MAPPING
printf
(
"DMRS params for ap %d: Wt %d %d
\t
Wf %d %d
\n
"
,
ap
,
Wt
[
0
],
Wt
[
1
],
Wf
[
0
],
Wf
[
1
]);
#endif
uint8_t
k_prime
=
0
,
n
=
0
,
dmrs_idx
=
0
;
uint16_t
m
=
0
;
...
...
@@ -284,6 +322,10 @@ for (int i=0; i<n_symbs; i++) {
if
((
l
==
l0
)
&&
(
k
==
((
dmrs_type
)
?
(
6
*
n
+
k_prime
+
delta
)
:
((
n
<<
2
)
+
(
k_prime
<<
1
)
+
delta
))))
{
((
int16_t
*
)
txdataF
[
ap
])[(
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
]
=
(
Wt
[
k_prime
]
*
Wf
[
k_prime
]
*
amp
/
2
*
mod_dmrs
[
dmrs_idx
<<
1
])
>>
15
;
((
int16_t
*
)
txdataF
[
ap
])[((
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
)
+
1
]
=
(
Wt
[
k_prime
]
*
Wf
[
k_prime
]
*
amp
/
2
*
mod_dmrs
[(
dmrs_idx
<<
1
)
+
1
])
>>
15
;
#ifdef DEBUG_DLSCH_MAPPING
printf
(
"dmrs_idx %d
\t
l %d
\t
k %d
\t
k_prime %d
\t
n %d
\t
txdataF: %d %d"
,
dmrs_idx
,
l
,
k
,
k_prime
,
n
,
((
int16_t
*
)
txdataF
[
ap
])[(
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
],
((
int16_t
*
)
txdataF
[
ap
])[((
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
)
+
1
]);
#endif
dmrs_idx
++
;
n
++
;
k_prime
++
;
...
...
@@ -292,6 +334,10 @@ for (int i=0; i<n_symbs; i++) {
((
int16_t
*
)
txdataF
[
ap
])[(
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
]
=
(
amp
*
tx_layers
[
ap
][
m
<<
1
])
>>
15
;
((
int16_t
*
)
txdataF
[
ap
])[((
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
)
+
1
]
=
(
amp
*
tx_layers
[
ap
][(
m
<<
1
)
+
1
])
>>
15
;
#ifdef DEBUG_DLSCH_MAPPING
printf
(
"m %d
\t
l %d
\t
k %d
\t
txdataF: %d %d"
,
m
,
l
,
k
,
((
int16_t
*
)
txdataF
[
ap
])[(
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
],
((
int16_t
*
)
txdataF
[
ap
])[((
l
*
frame_parms
.
ofdm_symbol_size
+
k
)
<<
1
)
+
1
]);
#endif
m
++
;
}
}
...
...
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