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canghaiwuhen
OpenXG-RAN
Commits
38925d35
Commit
38925d35
authored
Jul 31, 2018
by
Elena Lukashova
Browse files
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Plain Diff
Adding channel_correlation_core and mrc_core
to work with arbitrary number of subcarriers.
parent
7d3e9b88
Changes
2
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2 changed files
with
247 additions
and
0 deletions
+247
-0
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
+225
-0
openair1/PHY/LTE_UE_TRANSPORT/transport_proto_ue.h
openair1/PHY/LTE_UE_TRANSPORT/transport_proto_ue.h
+22
-0
No files found.
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
View file @
38925d35
...
@@ -3355,6 +3355,93 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
...
@@ -3355,6 +3355,93 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
#endif
#endif
}
}
void
dlsch_dual_stream_correlation_core
(
int
**
dl_ch_estimates_ext
,
int
**
dl_ch_estimates_ext_i
,
int
**
dl_ch_rho_ext
,
unsigned
char
n_tx
,
unsigned
char
n_rx
,
unsigned
char
output_shift
,
int
length
,
int
start_point
)
{
#if defined(__x86_64__)||defined(__i386__)
unsigned
short
rb
;
__m128i
*
dl_ch128
,
*
dl_ch128i
,
*
dl_ch_rho128
,
mmtmpD0
,
mmtmpD1
,
mmtmpD2
,
mmtmpD3
;
unsigned
char
aarx
;
int
ii
,
length2
,
length_mod8
;
for
(
aarx
=
0
;
aarx
<
n_rx
;
aarx
++
)
{
dl_ch128
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aarx
][
start_point
];
if
(
dl_ch_estimates_ext_i
==
NULL
)
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext
[
aarx
+
n_rx
][
start_point
];
else
dl_ch128i
=
(
__m128i
*
)
&
dl_ch_estimates_ext_i
[
aarx
][
start_point
];
dl_ch_rho128
=
(
__m128i
*
)
&
dl_ch_rho_ext
[
aarx
][
start_point
];
length_mod8
=
length
&
7
;
if
(
length_mod8
==
0
){
length2
=
length
>>
3
;
for
(
ii
=
0
;
ii
<
length2
;
++
ii
)
{
// multiply by conjugated channel
mmtmpD0
=
_mm_madd_epi16
(
dl_ch128
[
0
],
dl_ch128i
[
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
));
mmtmpD1
=
_mm_shufflehi_epi16
(
mmtmpD1
,
_MM_SHUFFLE
(
2
,
3
,
0
,
1
));
mmtmpD1
=
_mm_sign_epi16
(
mmtmpD1
,
*
(
__m128i
*
)
&
conjugate
[
0
]);
mmtmpD1
=
_mm_madd_epi16
(
mmtmpD1
,
dl_ch128i
[
0
]);
// print_ints("im",&mmtmpD1);
// mmtmpD1 contains imag part of 4 consecutive outputs (32-bit)
mmtmpD0
=
_mm_srai_epi32
(
mmtmpD0
,
output_shift
);
// print_ints("re(shift)",&mmtmpD0);
mmtmpD1
=
_mm_srai_epi32
(
mmtmpD1
,
output_shift
);
// print_ints("im(shift)",&mmtmpD1);
mmtmpD2
=
_mm_unpacklo_epi32
(
mmtmpD0
,
mmtmpD1
);
mmtmpD3
=
_mm_unpackhi_epi32
(
mmtmpD0
,
mmtmpD1
);
// print_ints("c0",&mmtmpD2);
// print_ints("c1",&mmtmpD3);
dl_ch_rho128
[
0
]
=
_mm_packs_epi32
(
mmtmpD2
,
mmtmpD3
);
// print_shorts("rho 0:",dl_ch_rho128);
// multiply by conjugated channel
mmtmpD0
=
_mm_madd_epi16
(
dl_ch128
[
1
],
dl_ch128i
[
1
]);
// mmtmpD0 contains real part of 4 consecutive outputs (32-bit)
mmtmpD1
=
_mm_shufflelo_epi16
(
dl_ch128
[
1
],
_MM_SHUFFLE
(
2
,
3
,
0
,
1
));
mmtmpD1
=
_mm_shufflehi_epi16
(
mmtmpD1
,
_MM_SHUFFLE
(
2
,
3
,
0
,
1
));
mmtmpD1
=
_mm_sign_epi16
(
mmtmpD1
,
*
(
__m128i
*
)
conjugate
);
mmtmpD1
=
_mm_madd_epi16
(
mmtmpD1
,
dl_ch128i
[
1
]);
// mmtmpD1 contains imag part of 4 consecutive outputs (32-bit)
mmtmpD0
=
_mm_srai_epi32
(
mmtmpD0
,
output_shift
);
mmtmpD1
=
_mm_srai_epi32
(
mmtmpD1
,
output_shift
);
mmtmpD2
=
_mm_unpacklo_epi32
(
mmtmpD0
,
mmtmpD1
);
mmtmpD3
=
_mm_unpackhi_epi32
(
mmtmpD0
,
mmtmpD1
);
dl_ch_rho128
[
1
]
=
_mm_packs_epi32
(
mmtmpD2
,
mmtmpD3
);
dl_ch128
+=
2
;
dl_ch128i
+=
2
;
dl_ch_rho128
+=
2
;
}
}
else
{
printf
(
"Channel Correlarion: Received number of subcarriers is not multiple of 8,
\n
"
"need to adapt the code!
\n
"
);
}
}
_mm_empty
();
_m_empty
();
#elif defined(__arm__)
#endif
}
void
dlsch_detection_mrc
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
void
dlsch_detection_mrc
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
int
**
rxdataF_comp
,
int
**
rxdataF_comp
,
...
@@ -3496,6 +3583,144 @@ void dlsch_detection_mrc(LTE_DL_FRAME_PARMS *frame_parms,
...
@@ -3496,6 +3583,144 @@ void dlsch_detection_mrc(LTE_DL_FRAME_PARMS *frame_parms,
#endif
#endif
}
}
void
dlsch_detection_mrc_core
(
int
**
rxdataF_comp
,
int
**
rxdataF_comp_i
,
int
**
rho
,
int
**
rho_i
,
int
**
dl_ch_mag
,
int
**
dl_ch_magb
,
int
**
dl_ch_mag_i
,
int
**
dl_ch_magb_i
,
unsigned
char
n_tx
,
unsigned
char
n_rx
,
int
length
,
int
start_point
)
{
#if defined(__x86_64__)||defined(__i386__)
unsigned
char
aatx
;
int
i
;
__m128i
*
rxdataF_comp128_0
,
*
rxdataF_comp128_1
,
*
rxdataF_comp128_i0
,
*
rxdataF_comp128_i1
,
*
dl_ch_mag128_0
,
*
dl_ch_mag128_1
,
*
dl_ch_mag128_0b
,
*
dl_ch_mag128_1b
,
*
rho128_0
,
*
rho128_1
,
*
rho128_i0
,
*
rho128_i1
,
*
dl_ch_mag128_i0
,
*
dl_ch_mag128_i1
,
*
dl_ch_mag128_i0b
,
*
dl_ch_mag128_i1b
;
int
length_mod4
=
0
;
int
length2
;
if
(
n_rx
>
1
)
{
for
(
aatx
=
0
;
aatx
<
n_tx
;
aatx
++
)
{
rxdataF_comp128_0
=
(
__m128i
*
)
&
rxdataF_comp
[(
aatx
<<
1
)][
start_point
];
rxdataF_comp128_1
=
(
__m128i
*
)
&
rxdataF_comp
[(
aatx
<<
1
)
+
1
][
start_point
];
dl_ch_mag128_0
=
(
__m128i
*
)
&
dl_ch_mag
[(
aatx
<<
1
)][
start_point
];
dl_ch_mag128_1
=
(
__m128i
*
)
&
dl_ch_mag
[(
aatx
<<
1
)
+
1
][
start_point
];
dl_ch_mag128_0b
=
(
__m128i
*
)
&
dl_ch_magb
[(
aatx
<<
1
)][
start_point
];
dl_ch_mag128_1b
=
(
__m128i
*
)
&
dl_ch_magb
[(
aatx
<<
1
)
+
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
i
)
{
rxdataF_comp128_0
[
i
]
=
_mm_adds_epi16
(
_mm_srai_epi16
(
rxdataF_comp128_0
[
i
],
1
),
_mm_srai_epi16
(
rxdataF_comp128_1
[
i
],
1
));
dl_ch_mag128_0
[
i
]
=
_mm_adds_epi16
(
_mm_srai_epi16
(
dl_ch_mag128_0
[
i
],
1
),
_mm_srai_epi16
(
dl_ch_mag128_1
[
i
],
1
));
dl_ch_mag128_0b
[
i
]
=
_mm_adds_epi16
(
_mm_srai_epi16
(
dl_ch_mag128_0b
[
i
],
1
),
_mm_srai_epi16
(
dl_ch_mag128_1b
[
i
],
1
));
}
}
}
if
(
rho
)
{
rho128_0
=
(
__m128i
*
)
&
rho
[
0
][
start_point
];
rho128_1
=
(
__m128i
*
)
&
rho
[
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
i
)
{
rho128_0
[
i
]
=
_mm_adds_epi16
(
_mm_srai_epi16
(
rho128_0
[
i
],
1
),
_mm_srai_epi16
(
rho128_1
[
i
],
1
));
}
}
}
if
(
rho_i
){
rho128_i0
=
(
__m128i
*
)
&
rho_i
[
0
][
start_point
];
rho128_i1
=
(
__m128i
*
)
&
rho_i
[
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
i
)
rho128_i0
[
i
]
=
_mm_adds_epi16
(
_mm_srai_epi16
(
rho128_i0
[
i
],
1
),
_mm_srai_epi16
(
rho128_i1
[
i
],
1
));
}
}
}
_mm_empty
();
_m_empty
();
#elif defined(__arm__)
unsigned
char
aatx
;
int
i
;
int16x8_t
*
rxdataF_comp128_0
,
*
rxdataF_comp128_1
,
*
rxdataF_comp128_i0
,
*
rxdataF_comp128_i1
,
*
dl_ch_mag128_0
,
*
dl_ch_mag128_1
,
*
dl_ch_mag128_0b
,
*
dl_ch_mag128_1b
,
*
rho128_0
,
*
rho128_1
,
*
rho128_i0
,
*
rho128_i1
,
*
dl_ch_mag128_i0
,
*
dl_ch_mag128_i1
,
*
dl_ch_mag128_i0b
,
*
dl_ch_mag128_i1b
;
int
length_mod4
=
0
;
int
length2
;
int
ii
=
0
;
if
(
n_rx
>
1
)
{
for
(
aatx
=
0
;
aatx
<
n_tx
;
aatx
++
)
{
rxdataF_comp128_0
=
(
int16x8_t
*
)
&
rxdataF_comp
[(
aatx
<<
1
)][
start_point
];
rxdataF_comp128_1
=
(
int16x8_t
*
)
&
rxdataF_comp
[(
aatx
<<
1
)
+
1
][
start_point
];
dl_ch_mag128_0
=
(
int16x8_t
*
)
&
dl_ch_mag
[(
aatx
<<
1
)][
start_point
];
dl_ch_mag128_1
=
(
int16x8_t
*
)
&
dl_ch_mag
[(
aatx
<<
1
)
+
1
][
start_point
];
dl_ch_mag128_0b
=
(
int16x8_t
*
)
&
dl_ch_magb
[(
aatx
<<
1
)][
start_point
];
dl_ch_mag128_1b
=
(
int16x8_t
*
)
&
dl_ch_magb
[(
aatx
<<
1
)
+
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
ii
)
{
rxdataF_comp128_0
[
i
]
=
vhaddq_s16
(
rxdataF_comp128_0
[
i
],
rxdataF_comp128_1
[
i
]);
dl_ch_mag128_0
[
i
]
=
vhaddq_s16
(
dl_ch_mag128_0
[
i
],
dl_ch_mag128_1
[
i
]);
dl_ch_mag128_0b
[
i
]
=
vhaddq_s16
(
dl_ch_mag128_0b
[
i
],
dl_ch_mag128_1b
[
i
]);
}
}
if
(
rho
)
{
rho128_0
=
(
int16x8_t
*
)
&
rho
[
0
][
start_point
];
rho128_1
=
(
int16x8_t
*
)
&
rho
[
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
i
)
{
rho128_0
[
i
]
=
vhaddq_s16
(
rho128_0
[
i
],
rho128_1
[
i
]);
}
}
}
if
(
rho_i
){
rho128_i0
=
(
__m128i
*
)
&
rho_i
[
0
][
start_point
];
rho128_i1
=
(
__m128i
*
)
&
rho_i
[
1
][
start_point
];
if
(
length_mod4
==
0
){
length2
=
length
>>
2
;
for
(
i
=
0
;
i
<
length2
;
++
i
)
rho128_i0
[
i
]
=
vhaddq_s16
(
rho128_i0
[
i
],
rho128_i1
[
i
]);
}
}
}
}
#endif
}
void
dlsch_detection_mrc_TM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
void
dlsch_detection_mrc_TM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
LTE_UE_PDSCH
*
pdsch_vars
,
LTE_UE_PDSCH
*
pdsch_vars
,
int
harq_pid
,
int
harq_pid
,
...
...
openair1/PHY/LTE_UE_TRANSPORT/transport_proto_ue.h
View file @
38925d35
...
@@ -691,6 +691,19 @@ void dlsch_detection_mrc(LTE_DL_FRAME_PARMS *frame_parms,
...
@@ -691,6 +691,19 @@ void dlsch_detection_mrc(LTE_DL_FRAME_PARMS *frame_parms,
uint16_t
nb_rb
,
uint16_t
nb_rb
,
uint8_t
dual_stream_UE
);
uint8_t
dual_stream_UE
);
void
dlsch_detection_mrc_core
(
int
**
rxdataF_comp
,
int
**
rxdataF_comp_i
,
int
**
rho
,
int
**
rho_i
,
int
**
dl_ch_mag
,
int
**
dl_ch_magb
,
int
**
dl_ch_mag_i
,
int
**
dl_ch_magb_i
,
unsigned
char
n_tx
,
unsigned
char
n_rx
,
int
length
,
int
start_point
);
void
dlsch_detection_mrc_TM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
void
dlsch_detection_mrc_TM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
LTE_UE_PDSCH
*
lte_ue_pdsch_vars
,
LTE_UE_PDSCH
*
lte_ue_pdsch_vars
,
int
harq_pid
,
int
harq_pid
,
...
@@ -853,6 +866,15 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
...
@@ -853,6 +866,15 @@ void dlsch_dual_stream_correlation(LTE_DL_FRAME_PARMS *frame_parms,
int
**
dl_ch_rho_ext
,
int
**
dl_ch_rho_ext
,
unsigned
char
output_shift
);
unsigned
char
output_shift
);
void
dlsch_dual_stream_correlation_core
(
int
**
dl_ch_estimates_ext
,
int
**
dl_ch_estimates_ext_i
,
int
**
dl_ch_rho_ext
,
unsigned
char
n_tx
,
unsigned
char
n_rx
,
unsigned
char
output_shift
,
int
length
,
int
start_point
);
void
dlsch_dual_stream_correlationTM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
void
dlsch_dual_stream_correlationTM34
(
LTE_DL_FRAME_PARMS
*
frame_parms
,
unsigned
char
symbol
,
unsigned
char
symbol
,
unsigned
short
nb_rb
,
unsigned
short
nb_rb
,
...
...
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