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lizhongxiao
OpenXG-RAN
Commits
c7ca4051
Commit
c7ca4051
authored
Nov 16, 2021
by
Thomas Schlichter
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gNB: fix nr_generate_pdsch() for odd number of PDSCH RBs
parent
4d90aad4
Changes
1
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1 changed file
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28 additions
and
8 deletions
+28
-8
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+28
-8
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openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @
c7ca4051
...
...
@@ -457,6 +457,7 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx,
pmi
=
0
;
//no precoding
if
(
pmi
==
0
)
{
//unitary Precoding
if
(
k
+
NR_NB_SC_PER_RB
<=
frame_parms
->
ofdm_symbol_size
)
{
// RB does not cross DC
if
(
ap
<
rel15
->
nrOfLayers
)
memcpy
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
+
k
],
(
void
*
)
&
txdataF_precoding
[
ap
][
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)],
...
...
@@ -465,6 +466,25 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx,
memset
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
+
k
],
0
,
NR_NB_SC_PER_RB
*
sizeof
(
int32_t
));
}
else
{
// RB does cross DC
int
neg_length
=
frame_parms
->
ofdm_symbol_size
-
k
;
int
pos_length
=
NR_NB_SC_PER_RB
-
neg_length
;
if
(
ap
<
rel15
->
nrOfLayers
)
{
memcpy
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
+
k
],
(
void
*
)
&
txdataF_precoding
[
ap
][
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)],
neg_length
*
sizeof
(
int32_t
));
memcpy
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
],
(
void
*
)
&
txdataF_precoding
[
ap
][
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
)],
pos_length
*
sizeof
(
int32_t
));
}
else
{
memset
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
+
k
],
0
,
neg_length
*
sizeof
(
int32_t
));
memset
((
void
*
)
&
txdataF
[
ap
][
l
*
frame_parms
->
ofdm_symbol_size
+
txdataF_offset
],
0
,
pos_length
*
sizeof
(
int32_t
));
}
}
k
+=
NR_NB_SC_PER_RB
;
if
(
k
>=
frame_parms
->
ofdm_symbol_size
)
{
k
-=
frame_parms
->
ofdm_symbol_size
;
...
...
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