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littleBu
OpenXG-RAN
Commits
3e6f2db1
Commit
3e6f2db1
authored
Oct 03, 2024
by
Raymond Knopp
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use ML receiver for 64 QAM UL-MIMO
parent
2c07f008
Changes
1
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3 additions
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3 deletions
+3
-3
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+3
-3
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openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
View file @
3e6f2db1
...
...
@@ -1339,7 +1339,7 @@ static void inner_rx(PHY_VARS_gNB *gNB,
}
if
(
nb_layer
==
2
)
{
if
(
rel15_ul
->
qam_mod_order
<
6
)
{
if
(
rel15_ul
->
qam_mod_order
<
=
6
)
{
nr_ulsch_compute_ML_llr
(
pusch_vars
,
symbol
,
(
c16_t
*
)
&
pusch_vars
->
rxdataF_comp
[
0
][
symbol
*
buffer_length
],
...
...
@@ -1370,7 +1370,7 @@ static void inner_rx(PHY_VARS_gNB *gNB,
buffer_length
);
}
}
if
(
nb_layer
!=
2
||
rel15_ul
->
qam_mod_order
>
=
6
)
if
(
nb_layer
!=
2
||
rel15_ul
->
qam_mod_order
>
6
)
for
(
int
aatx
=
0
;
aatx
<
nb_layer
;
aatx
++
)
nr_ulsch_compute_llr
((
int32_t
*
)
&
pusch_vars
->
rxdataF_comp
[
aatx
*
nb_rx_ant
][
symbol
*
buffer_length
],
(
int32_t
*
)
rxF_ch_maga
[
aatx
],
...
...
@@ -1687,7 +1687,7 @@ int nr_rx_pusch_tp(PHY_VARS_gNB *gNB,
for
(
int
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
avgs
=
cmax
(
avgs
,
avg
[
nl
*
frame_parms
->
nb_antennas_rx
+
aarx
]);
if
(
rel15_ul
->
nrOfLayers
==
2
&&
rel15_ul
->
qam_mod_order
>
=
6
)
if
(
rel15_ul
->
nrOfLayers
==
2
&&
rel15_ul
->
qam_mod_order
>
6
)
pusch_vars
->
log2_maxh
=
(
log2_approx
(
avgs
)
>>
1
)
-
3
;
// for MMSE
else
pusch_vars
->
log2_maxh
=
(
log2_approx
(
avgs
)
>>
1
)
+
1
+
log2_approx
(
frame_parms
->
nb_antennas_rx
>>
1
);
...
...
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