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wangjie
OpenXG-RAN
Commits
b9f9e249
Commit
b9f9e249
authored
Jul 06, 2018
by
Elena Lukashova
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Extending dlsch_dual_steam_correlation for large number of antennas.
parent
b783554d
Changes
1
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openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
+1
-5
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openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
View file @
b9f9e249
...
@@ -3205,19 +3205,15 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
...
@@ -3205,19 +3205,15 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
for
(
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
for
(
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
//printf ("antenna %d", aarx);
dl_ch128
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch128
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
if
(
dl_ch_estimates_ext_i
==
NULL
)
// TM3/4
if
(
dl_ch_estimates_ext_i
==
NULL
)
// TM3/4
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
2
+
aa
rx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aarx
+
frame_parms
->
nb_antennas_
rx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
else
else
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext_i
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext_i
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_rho128
=
(
__m128i
*
)
&
dl_ch_rho_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
dl_ch_rho128
=
(
__m128i
*
)
&
dl_ch_rho_ext
[
aarx
][
symbol
*
frame_parms
->
N_RB_DL
*
12
];
for
(
rb
=
0
;
rb
<
nb_rb
;
rb
++
)
{
for
(
rb
=
0
;
rb
<
nb_rb
;
rb
++
)
{
// multiply by conjugated channel
// multiply by conjugated channel
mmtmpD0
=
_mm_madd_epi16
(
dl_ch128
[
0
],
dl_ch128i
[
0
]);
mmtmpD0
=
_mm_madd_epi16
(
dl_ch128
[
0
],
dl_ch128i
[
0
]);
...
...
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