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wangwenhui
OpenXG-RAN
Commits
74ec8b31
Commit
74ec8b31
authored
Aug 07, 2018
by
Guy De Souza
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temp debug commit
parent
8060ffed
Changes
2
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2 changed files
with
11 additions
and
8 deletions
+11
-8
openair1/PHY/NR_TRANSPORT/nr_dci.c
openair1/PHY/NR_TRANSPORT/nr_dci.c
+9
-7
openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
+2
-1
No files found.
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @
74ec8b31
...
...
@@ -170,6 +170,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
/*First iteration: single DCI*/
NR_gNB_DCI_ALLOC_t
dci_alloc
=
pdcch_vars
.
dci_alloc
[
0
];
nfapi_nr_dl_config_pdcch_parameters_rel15_t
pdcch_params
=
dci_alloc
.
pdcch_params
;
uint16_t
dmrs_length
=
dci_alloc
.
L
*
36
;
//2(QPSK)*3(per RB)*6(REG per CCE)
uint16_t
encoded_length
=
dci_alloc
.
L
*
108
;
//2(QPSK)*9(per RB)*6(REG per CCE)
/// DMRS QPSK modulation
/*There is a need to shift from which index the pregenerated DMRS sequence is used
...
...
@@ -177,19 +179,19 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
if
(
pdcch_params
.
config_type
==
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG
)
gold_pdcch_dmrs
+=
((
int
)
floor
(
frame_parms
.
ssb_start_subcarrier
/
NR_NB_SC_PER_RB
)
+
pdcch_params
.
rb_offset
)
*
3
/
32
;
for
(
int
i
=
0
;
i
<
NR_MAX_PDCCH_DMRS_LENGTH
>>
1
;
i
++
)
{
for
(
int
i
=
0
;
i
<
dmrs_length
>>
1
;
i
++
)
{
idx
=
((((
gold_pdcch_dmrs
[(
i
<<
1
)
>>
5
])
>>
((
i
<<
1
)
&
0x1f
))
&
1
)
<<
1
)
^
(((
gold_pdcch_dmrs
[((
i
<<
1
)
+
1
)
>>
5
])
>>
(((
i
<<
1
)
+
1
)
&
0x1f
))
&
1
);
mod_dmrs
[
i
<<
1
]
=
nr_mod_table
[(
NR_MOD_TABLE_QPSK_OFFSET
+
idx
)
<<
1
];
mod_dmrs
[(
i
<<
1
)
+
1
]
=
nr_mod_table
[((
NR_MOD_TABLE_QPSK_OFFSET
+
idx
)
<<
1
)
+
1
];
#ifdef DEBUG_PDCCH_DMRS
printf
(
"i %d idx %d gold seq %
d
b0-b1 %d-%d mod_dmrs %d %d
\n
"
,
i
,
idx
,
gold_pdcch_dmrs
[(
i
<<
1
)
>>
5
],
(((
gold_pdcch_dmrs
[(
i
<<
1
)
>>
5
])
>>
((
i
<<
1
)
&
0x1f
))
&
1
),
printf
(
"i %d idx %d gold seq %
u
b0-b1 %d-%d mod_dmrs %d %d
\n
"
,
i
,
idx
,
gold_pdcch_dmrs
[(
i
<<
1
)
>>
5
],
(((
gold_pdcch_dmrs
[(
i
<<
1
)
>>
5
])
>>
((
i
<<
1
)
&
0x1f
))
&
1
),
(((
gold_pdcch_dmrs
[((
i
<<
1
)
+
1
)
>>
5
])
>>
(((
i
<<
1
)
+
1
)
&
0x1f
))
&
1
),
mod_dmrs
[(
i
<<
1
)],
mod_dmrs
[(
i
<<
1
)
+
1
]);
#endif
}
/// DCI payload processing
//channel coding
uint8_t
*
encoderInput
=
malloc
(
sizeof
(
uint8_t
)
*
dci_alloc
.
size
);
/*
uint8_t *encoderInput = malloc(sizeof(uint8_t) * dci_alloc.size);
nr_bit2byte(dci_alloc.dci_pdu, dci_alloc.size, encoderInput);
nr_polar_init(&nrPolar_params, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, pdcch_params.aggregation_level);
...
...
@@ -200,17 +202,17 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
uint8_t *encoderOutput = malloc(sizeof(uint8_t) * currentPtr->encoderLength);
polar_encoder(encoderInput, encoderOutput, currentPtr);
uint32_t encoded_payload[4];
nr_byte2bit
(
encoderOutput
,
currentPtr
->
encoderLength
,
encoded_payload
);
nr_byte2bit(encoderOutput,currentPtr->encoderLength,encoded_payload);
*/
// scrambling
uint32_t
scrambled_payload
[
4
];
uint32_t
Nid
=
(
pdcch_params
.
search_space_type
==
NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC
)
?
pdcch_params
.
scrambling_id
:
config
.
sch_config
.
physical_cell_id
.
value
;
uint32_t
n_RNTI
=
(
pdcch_params
.
search_space_type
==
NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC
)
?
pdcch_params
.
rnti
:
0
;
nr_pdcch_scrambling
(
encoded_payload
,
dci_alloc
.
size
,
Nid
,
n_RNTI
,
scrambled_payload
);
nr_pdcch_scrambling
(
dci_alloc
.
dci_pdu
,
dci_alloc
.
size
,
Nid
,
n_RNTI
,
scrambled_payload
);
// QPSK modulation
uint
32
_t
mod_dci
[
NR_MAX_DCI_SIZE
>>
1
];
for
(
int
i
=
0
;
i
<
dci_alloc
.
size
>>
1
;
i
++
)
{
uint
16
_t
mod_dci
[
NR_MAX_DCI_SIZE
>>
1
];
for
(
int
i
=
0
;
i
<
encoded_length
>>
1
;
i
++
)
{
idx
=
(((
scrambled_payload
[
i
<<
1
]
>>
(
i
<<
1
))
&
1
)
<<
1
)
^
((
scrambled_payload
[(
i
<<
1
)
+
1
]
>>
((
i
<<
1
)
+
1
))
&
1
);
mod_dci
[
i
<<
1
]
=
nr_mod_table
[(
NR_MOD_TABLE_QPSK_OFFSET
+
idx
)
<<
1
];
mod_dci
[(
i
<<
1
)
+
1
]
=
nr_mod_table
[((
NR_MOD_TABLE_QPSK_OFFSET
+
idx
)
<<
1
)
+
1
];
...
...
openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
View file @
74ec8b31
...
...
@@ -68,7 +68,7 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
// VRB to PRB mapping
*
dci_pdu
|=
(
pdu_rel15
->
vrb_to_prb_mapping
&
1
)
<<
pos
;
pos
++
;
//MCS
//
MCS
for
(
int
i
=
0
;
i
<
5
;
i
++
)
*
dci_pdu
|=
((
pdu_rel15
->
mcs
>>
(
4
-
i
))
&
1
)
<<
(
pos
+
i
);
pos
+=
5
;
...
...
@@ -89,6 +89,7 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
dci_pdu
[
0
],
dci_pdu
[
1
],
dci_pdu
[
2
],
dci_pdu
[
3
]);
/// rest of DCI alloc
dci_alloc
->
L
=
2
;
memcpy
((
void
*
)
&
dci_alloc
->
pdcch_params
,
(
void
*
)
params_rel15
,
sizeof
(
nfapi_nr_dl_config_pdcch_parameters_rel15_t
));
dci_alloc
->
size
=
nr_get_dci_size
(
dci_alloc
->
pdcch_params
.
dci_format
,
dci_alloc
->
pdcch_params
.
rnti_type
,
...
...
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