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zzha zzha
OpenXG-RAN
Commits
2d49ed99
Commit
2d49ed99
authored
6 years ago
by
Elena Lukashova
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Extending channel compensation for larger number of receive
and transmit antennas.
parent
053ccd6b
Changes
1
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1 changed file
with
13 additions
and
15 deletions
+13
-15
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
+13
-15
No files found.
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
View file @
2d49ed99
...
...
@@ -1280,15 +1280,14 @@ void dlsch_channel_compensation(int **rxdataF_ext,
QAM_amp128b
=
_mm_set1_epi16
(
QAM64_n2
);
}
// printf("comp: rxdataF_comp %p, symbol %d\n",rxdataF_comp[0],symbol);
for
(
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
dl_ch128
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128
=
(
__m128i
*
)
&
dl_ch_mag
[(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128b
=
(
__m128i
*
)
&
dl_ch_magb
[(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch128
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
//print_shorts("dl_ch128[0]=",&dl_ch128[0]);*/
dl_ch_mag128
=
(
__m128i
*
)
&
dl_ch_mag
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128b
=
(
__m128i
*
)
&
dl_ch_magb
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF128
=
(
__m128i
*
)
&
rxdataF_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF_comp128
=
(
__m128i
*
)
&
rxdataF_comp
[
(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF_comp128
=
(
__m128i
*
)
&
rxdataF_comp
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
for
(
rb
=
0
;
rb
<
nb_rb
;
rb
++
)
{
...
...
@@ -1344,7 +1343,6 @@ void dlsch_channel_compensation(int **rxdataF_ext,
// multiply by conjugated channel
mmtmpD0
=
_mm_madd_epi16
(
dl_ch128
[
0
],
rxdataF128
[
0
]);
// print_ints("re",&mmtmpD0);
// mmtmpD0 contains real part of 4 consecutive outputs (32-bit)
mmtmpD1
=
_mm_shufflelo_epi16
(
dl_ch128
[
0
],
_MM_SHUFFLE
(
2
,
3
,
0
,
1
));
...
...
@@ -1542,11 +1540,11 @@ void dlsch_channel_compensation(int **rxdataF_ext,
// printf("comp: rxdataF_comp %p, symbol %d\n",rxdataF_comp[0],symbol);
for
(
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
dl_ch128
=
(
int16x4_t
*
)
&
dl_ch_estimates_ext
[
(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128
=
(
int16x8_t
*
)
&
dl_ch_mag
[
(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128b
=
(
int16x8_t
*
)
&
dl_ch_magb
[
(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch128
=
(
int16x4_t
*
)
&
dl_ch_estimates_ext
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128
=
(
int16x8_t
*
)
&
dl_ch_mag
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_mag128b
=
(
int16x8_t
*
)
&
dl_ch_magb
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF128
=
(
int16x4_t
*
)
&
rxdataF_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF_comp128
=
(
int16x4x2_t
*
)
&
rxdataF_comp
[
(
aatx
<<
1
)
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
rxdataF_comp128
=
(
int16x4x2_t
*
)
&
rxdataF_comp
[
aatx
*
frame_parms
->
nb_antennas_rx
+
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
for
(
rb
=
0
;
rb
<
nb_rb
;
rb
++
)
{
if
(
mod_order
>
2
)
{
...
...
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