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zzha zzha
OpenXG-RAN
Commits
a79992bc
Commit
a79992bc
authored
Jul 02, 2018
by
Hongzhi Wang
Browse files
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Plain Diff
ue adding nr pdcch channel est
parent
ff26c550
Changes
12
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Showing
12 changed files
with
355 additions
and
40 deletions
+355
-40
openair1/PHY/MODULATION/modulation_UE.h
openair1/PHY/MODULATION/modulation_UE.h
+3
-2
openair1/PHY/MODULATION/slot_fep.c
openair1/PHY/MODULATION/slot_fep.c
+39
-3
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
+58
-12
openair1/PHY/NR_REFSIG/nr_gold_ue.c
openair1/PHY/NR_REFSIG/nr_gold_ue.c
+44
-0
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
+13
-3
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+166
-0
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+5
-6
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
+9
-6
openair1/PHY/NR_UE_TRANSPORT/sss_nr.c
openair1/PHY/NR_UE_TRANSPORT/sss_nr.c
+6
-4
openair1/PHY/defs_nr_UE.h
openair1/PHY/defs_nr_UE.h
+8
-1
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+3
-2
targets/RT/USER/nr-ue.c
targets/RT/USER/nr-ue.c
+1
-1
No files found.
openair1/PHY/MODULATION/modulation_UE.h
View file @
a79992bc
...
...
@@ -48,12 +48,13 @@ int slot_fep(PHY_VARS_UE *phy_vars_ue,
int
no_prefix
,
int
reset_freq_est
);
int
slot_fep_pbch
(
PHY_VARS_NR_UE
*
phy_vars_ue
,
int
nr_slot_fep
(
PHY_VARS_NR_UE
*
phy_vars_ue
,
unsigned
char
l
,
unsigned
char
Ns
,
int
sample_offset
,
int
no_prefix
,
int
reset_freq_est
);
int
reset_freq_est
,
NR_CHANNEL_EST_t
channel
);
int
slot_fep_mbsfn
(
PHY_VARS_UE
*
phy_vars_ue
,
unsigned
char
l
,
...
...
openair1/PHY/MODULATION/slot_fep.c
View file @
a79992bc
...
...
@@ -28,12 +28,13 @@
#define SOFFSET 0
int
slot_fep_pbch
(
PHY_VARS_NR_UE
*
ue
,
int
nr_slot_fep
(
PHY_VARS_NR_UE
*
ue
,
unsigned
char
l
,
unsigned
char
Ns
,
int
sample_offset
,
int
no_prefix
,
int
reset_freq_est
)
int
reset_freq_est
,
NR_CHANNEL_EST_t
channel
)
{
NR_DL_FRAME_PARMS
*
frame_parms
=
&
ue
->
frame_parms
;
NR_UE_COMMON
*
common_vars
=
&
ue
->
common_vars
;
...
...
@@ -181,6 +182,9 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
}
if
(
ue
->
perfect_ce
==
0
)
{
switch
(
channel
){
case
NR_PBCH_EST
:
if
((
l
>
0
)
&&
(
l
<
4
))
{
for
(
aa
=
0
;
aa
<
frame_parms
->
nb_antenna_ports_eNB
;
aa
++
)
{
...
...
@@ -196,7 +200,9 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
l
,
symbol
);
}
#if UE_TIMING_TRACE
stop_meas
(
&
ue
->
dlsch_channel_estimation_stats
);
#endif
// do frequency offset estimation here!
// use channel estimates from current symbol (=ch_t) and last symbol (ch_{t-1})
...
...
@@ -221,6 +227,36 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
}
}
break
;
case
NR_PDCCH_EST
:
for
(
aa
=
0
;
aa
<
frame_parms
->
nb_antenna_ports_eNB
;
aa
++
)
{
#ifdef DEBUG_FEP
printf
(
"Channel estimation eNB %d, aatx %d, slot %d, symbol %d
\n
"
,
eNB_id
,
aa
,
Ns
,
l
);
#endif
#if UE_TIMING_TRACE
start_meas
(
&
ue
->
dlsch_channel_estimation_stats
);
#endif
nr_pdcch_channel_estimation
(
ue
,
eNB_id
,
0
,
Ns
,
aa
,
l
,
symbol
);
#if UE_TIMING_TRACE
stop_meas
(
&
ue
->
dlsch_channel_estimation_stats
);
#endif
}
break
;
case
NR_SSS_EST
:
break
;
default:
LOG_E
(
PHY
,
"[UE][FATAL] Unknown channel format %d
\n
"
,
channel
);
return
(
-
1
);
break
;
}
}
...
...
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @
a79992bc
...
...
@@ -49,20 +49,70 @@ int wt1[8][2] = {{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1}};
int
wf2
[
12
][
2
]
=
{{
1
,
1
},{
1
,
-
1
},{
1
,
1
},{
1
,
-
1
},{
1
,
1
},{
1
,
-
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
-
1
},{
1
,
1
},{
1
,
1
}};
int
wt2
[
12
][
2
]
=
{{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
},{
1
,
-
1
}};
//short nr_mod_table[14] = {0,0,-23170,-23170,23170,23170,-23170,-23170,-23170,23170,23170,-23170,23170,23170};
short
nr_mod_table
[
14
]
=
{
0
,
0
,
23170
,
-
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
-
23170
,
-
23170
,
23170
};
//short nr_mod_table[14] = {0,0,23170,23170,-23170,-23170,23170,23170,23170,-23170,-23170,23170,-23170,-23170};
//extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
short
nr_mod_table
[
14
]
=
{
0
,
0
,
23170
,
-
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
23170
,
23170
,
-
23170
,
-
23170
,
-
23170
,
23170
};
int
nr_pdcch_dmrs_rx
(
PHY_VARS_NR_UE
*
ue
,
unsigned
int
Ns
,
unsigned
int
nr_gold_pdcch
[
2
][
20
][
3
][
10
],
int32_t
*
output
,
unsigned
short
p
,
int
length_dmrs
,
unsigned
short
nb_rb_coreset
)
{
int32_t
qpsk
[
4
],
n
;
int
w
,
ind
,
l
,
ind_dword
,
ind_qpsk_symb
,
kp
,
k
;
short
pamp
;
// Compute the correct pilot amplitude, sqrt_rho_b = Q3.13
pamp
=
ONE_OVER_SQRT2_Q15
;
// This includes complex conjugate for channel estimation
((
short
*
)
&
qpsk
[
0
])[
0
]
=
pamp
;
((
short
*
)
&
qpsk
[
0
])[
1
]
=
-
pamp
;
((
short
*
)
&
qpsk
[
1
])[
0
]
=
-
pamp
;
((
short
*
)
&
qpsk
[
1
])[
1
]
=
-
pamp
;
((
short
*
)
&
qpsk
[
2
])[
0
]
=
pamp
;
((
short
*
)
&
qpsk
[
2
])[
1
]
=
pamp
;
((
short
*
)
&
qpsk
[
3
])[
0
]
=
-
pamp
;
((
short
*
)
&
qpsk
[
3
])[
1
]
=
pamp
;
if
(
p
==
2000
)
{
// r_n from 38.211 7.4.1.3
for
(
n
=
0
;
n
<
nb_rb_coreset
*
3
;
n
++
)
{
for
(
l
=
0
;
l
<
length_dmrs
;
l
++
){
for
(
kp
=
0
;
kp
<
3
;
kp
++
){
ind
=
3
*
n
+
kp
;
ind_dword
=
ind
>>
4
;
ind_qpsk_symb
=
ind
&
0xf
;
output
[
k
]
=
qpsk
[(
ue
->
nr_gold_pdcch
[
0
][
Ns
][
l
][
ind_dword
]
>>
(
2
*
ind_qpsk_symb
))
&
3
];
#ifdef DEBUG_DL_DMRS
LOG_I
(
PHY
,
"Ns %d, p %d, ind_dword %d, ind_qpsk_symbol %d
\n
"
,
Ns
,
p
,
idx_dword
,
idx_qpsk_symb
);
LOG_I
(
PHY
,
"index = %d
\n
"
,(
nr_gold_pdsch
[
0
][
Ns
][
lprime
][
ind_dword
]
>>
(
2
*
ind_qpsk_symb
))
&
3
);
#endif
k
++
;
}
}
}
}
else
{
LOG_E
(
PHY
,
"Illegal PDCCH DMRS port %d
\n
"
,
p
);
}
return
(
0
);
}
int
nr_pdsch_dmrs_rx
(
PHY_VARS_NR_UE
*
ue
,
unsigned
int
ncp
,
unsigned
int
Ns
,
unsigned
int
nr_gold_pdsch
[
2
][
20
][
2
][
21
],
int32_t
*
output
,
unsigned
short
p
,
int
length_dmrs
,
unsigned
short
nb_
pdsch_rb
)
unsigned
short
nb_
rb_pdsch
)
{
int32_t
qpsk
[
4
],
nqpsk
[
4
],
*
qpsk_p
,
n
;
int
w
,
mprime
,
ind
,
l
,
ind_dword
,
ind_qpsk_symb
,
kp
,
lp
,
config_type
,
k
;
...
...
@@ -76,7 +126,7 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
printf
(
"dmrs config type %d port %d
\n
"
,
config_type
,
p
);
// Compute the correct pilot amplitude, sqrt_rho_b = Q3.13
pamp
=
23170
;
//
ONE_OVER_SQRT2_Q15;
pamp
=
ONE_OVER_SQRT2_Q15
;
// This includes complex conjugate for channel estimation
((
short
*
)
&
qpsk
[
0
])[
0
]
=
pamp
;
...
...
@@ -104,10 +154,9 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
LOG_E
(
PHY
,
"Bad PDSCH DMRS config type %d
\n
"
,
config_type
);
if
((
p
>=
1000
)
&&
(
p
<
((
config_type
==
0
)
?
1008
:
1012
)))
{
if
(
/*ue->frame_parms.Ncp == NORMAL*/
ncp
==
0
)
{
// r_n from 38.211 7.4.1.1
for
(
n
=
0
;
n
<
nb_
pdsch_rb
*
((
config_type
==
0
)
?
3
:
2
);
n
++
)
{
for
(
n
=
0
;
n
<
nb_
rb_pdsch
*
((
config_type
==
0
)
?
3
:
2
);
n
++
)
{
for
(
lp
=
0
;
lp
<
length_dmrs
;
lp
++
){
for
(
kp
=
0
;
kp
<
2
;
kp
++
){
w
=
(
wf
[
p
-
1000
][
kp
])
*
(
wt
[
p
-
1000
][
lp
]);
...
...
@@ -130,9 +179,6 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
}
}
}
}
else
{
LOG_E
(
PHY
,
"extended cp not supported for PDSCH DMRS yet
\n
"
);
}
}
else
{
LOG_E
(
PHY
,
"Illegal p %d PDSCH DMRS port
\n
"
,
p
);
}
...
...
openair1/PHY/NR_REFSIG/nr_gold_ue.c
View file @
a79992bc
...
...
@@ -64,6 +64,50 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
}
void
nr_gold_pdcch
(
PHY_VARS_NR_UE
*
ue
,
unsigned
int
nr_gold_pdcch
[
20
][
2
][
10
],
unsigned
int
Nid_cell
,
unsigned
short
n_idDMRS
,
unsigned
short
length_dmrs
)
{
unsigned
char
ns
,
l
;
unsigned
int
n
,
x1
,
x2
,
x2tmp0
;
int
nscid
;
unsigned
int
nid
;
if
(
n_idDMRS
)
nid
=
n_idDMRS
;
else
nid
=
Nid_cell
;
for
(
ns
=
0
;
ns
<
20
;
ns
++
)
{
for
(
l
=
0
;
l
<
length_dmrs
;
l
++
)
{
x2tmp0
=
((
14
*
ns
+
l
+
1
)
*
((
nid
<<
1
)
+
1
))
<<
17
;
x2
=
(
x2tmp0
+
(
nid
<<
1
))
%
(
1
<<
31
);
//cinit
x1
=
1
+
(
1
<<
31
);
x2
=
x2
^
((
x2
^
(
x2
>>
1
)
^
(
x2
>>
2
)
^
(
x2
>>
3
))
<<
31
);
// skip first 50 double words (1600 bits)
for
(
n
=
1
;
n
<
50
;
n
++
)
{
x1
=
(
x1
>>
1
)
^
(
x1
>>
4
);
x1
=
x1
^
(
x1
<<
31
)
^
(
x1
<<
28
);
x2
=
(
x2
>>
1
)
^
(
x2
>>
2
)
^
(
x2
>>
3
)
^
(
x2
>>
4
);
x2
=
x2
^
(
x2
<<
31
)
^
(
x2
<<
30
)
^
(
x2
<<
29
)
^
(
x2
<<
28
);
//printf("x1 : %x, x2 : %x\n",x1,x2);
}
for
(
n
=
0
;
n
<
10
;
n
++
)
{
x1
=
(
x1
>>
1
)
^
(
x1
>>
4
);
x1
=
x1
^
(
x1
<<
31
)
^
(
x1
<<
28
);
x2
=
(
x2
>>
1
)
^
(
x2
>>
2
)
^
(
x2
>>
3
)
^
(
x2
>>
4
);
x2
=
x2
^
(
x2
<<
31
)
^
(
x2
<<
30
)
^
(
x2
<<
29
)
^
(
x2
<<
28
);
nr_gold_pdcch
[
ns
][
l
][
n
]
=
x1
^
x2
;
//printf("n=%d : c %x\n",n,x1^x2);
}
}
}
}
void
nr_gold_pdsch
(
PHY_VARS_NR_UE
*
ue
,
unsigned
short
lbar
,
unsigned
int
nr_gold_pdsch
[
2
][
20
][
2
][
21
],
unsigned
int
Nid_cell
,
unsigned
short
*
n_idDMRS
,
unsigned
short
length_dmrs
)
{
...
...
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
View file @
a79992bc
...
...
@@ -31,14 +31,24 @@
*/
int
nr_pbch_dmrs_rx
(
unsigned
int
*
nr_gold_pbch
,
int32_t
*
output
);
/*int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
unsigned int ncp,
/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PDCCH DMRS.
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
*/
int
nr_pdcch_dmrs_rx
(
PHY_VARS_NR_UE
*
ue
,
unsigned
int
Ns
,
unsigned
int
nr_gold_pdcch
[
2
][
20
][
3
][
10
],
int32_t
*
output
,
unsigned
short
p
,
int
length_dmrs
,
unsigned
short
nb_rb_corset
);
int
nr_pdsch_dmrs_rx
(
PHY_VARS_NR_UE
*
ue
,
unsigned
int
Ns
,
unsigned
int
nr_gold_pdsch
[
2
][
20
][
2
][
21
],
int32_t
*
output
,
unsigned
short
p
,
int
length_dmrs
,
unsigned short nb_
pdsch_rb);*/
unsigned
short
nb_
rb_pdsch
);
void
nr_gold_pbch
(
PHY_VARS_NR_UE
*
ue
);
...
...
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @
a79992bc
...
...
@@ -222,3 +222,169 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
return
(
0
);
}
int
nr_pdcch_channel_estimation
(
PHY_VARS_NR_UE
*
ue
,
uint8_t
eNB_id
,
uint8_t
eNB_offset
,
unsigned
char
Ns
,
unsigned
char
p
,
unsigned
char
l
,
unsigned
char
symbol
,
unsigned
short
nb_rb_coreset
)
{
int
pilot
[
2
][
200
]
__attribute__
((
aligned
(
16
)));
unsigned
char
aarx
;
unsigned
short
k
;
unsigned
int
pilot_cnt
;
int16_t
ch
[
2
],
*
pil
,
*
rxF
,
*
dl_ch
,
*
fl
,
*
fm
,
*
fr
;
int
ch_offset
,
symbol_offset
;
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
uint8_t
nushift
;
int
**
dl_ch_estimates
=
ue
->
common_vars
.
common_vars_rx_data_per_thread
[
ue
->
current_thread_id
[
Ns
]].
dl_ch_estimates
[
eNB_offset
];
int
**
rxdataF
=
ue
->
common_vars
.
common_vars_rx_data_per_thread
[
ue
->
current_thread_id
[
Ns
]].
rxdataF
;
nushift
=
1
;
ue
->
frame_parms
.
nushift
=
nushift
;
if
(
ue
->
high_speed_flag
==
0
)
// use second channel estimate position for temporary storage
ch_offset
=
ue
->
frame_parms
.
ofdm_symbol_size
;
else
ch_offset
=
ue
->
frame_parms
.
ofdm_symbol_size
*
symbol
;
symbol_offset
=
ue
->
frame_parms
.
ofdm_symbol_size
*
symbol
;
k
=
nushift
;
#ifdef DEBUG_CH
printf
(
"PBCH Channel Estimation : ThreadId %d, eNB_offset %d cell_id %d ch_offset %d, OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d
\n
"
,
ue
->
current_thread_id
[
Ns
>>
1
],
eNB_offset
,
Nid_cell
,
ch_offset
,
ue
->
frame_parms
.
ofdm_symbol_size
,
ue
->
frame_parms
.
Ncp
,
l
,
Ns
,
k
,
symbol
);
#endif
fl
=
filt16a_l1
;
fm
=
filt16a_m1
;
fr
=
filt16a_r1
;
// generate pilot
nr_pdcch_dmrs_rx
(
ue
->
nr_gold_pdcch
[
0
][
Ns
][
symbol
],
&
pilot
[
p
][
0
]);
for
(
aarx
=
0
;
aarx
<
ue
->
frame_parms
.
nb_antennas_rx
;
aarx
++
)
{
pil
=
(
int16_t
*
)
&
pilot
[
p
][
0
];
rxF
=
(
int16_t
*
)
&
rxdataF
[
aarx
][(
symbol_offset
+
k
+
(
ue
->
frame_parms
.
ofdm_symbol_size
-
12
*
(
nb_rb_coreset
>>
1
)))];
dl_ch
=
(
int16_t
*
)
&
dl_ch_estimates
[(
p
<<
1
)
+
aarx
][
ch_offset
];
memset
(
dl_ch
,
0
,
4
*
(
ue
->
frame_parms
.
ofdm_symbol_size
));
if
(
ue
->
high_speed_flag
==
0
)
// multiply previous channel estimate by ch_est_alpha
multadd_complex_vector_real_scalar
(
dl_ch
-
(
ue
->
frame_parms
.
ofdm_symbol_size
<<
1
),
ue
->
ch_est_alpha
,
dl_ch
-
(
ue
->
frame_parms
.
ofdm_symbol_size
<<
1
),
1
,
ue
->
frame_parms
.
ofdm_symbol_size
);
#ifdef DEBUG_CH
printf
(
"ch est pilot addr %p RB_DL %d
\n
"
,
&
pilot
[
p
][
0
],
ue
->
frame_parms
.
N_RB_DL
);
printf
(
"k %d, first_carrier %d
\n
"
,
k
,
ue
->
frame_parms
.
first_carrier_offset
);
printf
(
"rxF addr %p
\n
"
,
rxF
);
printf
(
"dl_ch addr %p
\n
"
,
dl_ch
);
#endif
if
((
ue
->
frame_parms
.
N_RB_DL
&
1
)
==
0
)
{
// Treat first 2 pilots specially (left edge)
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"ch 0 %d
\n
"
,((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
]));
printf
(
"pilot 0 : rxF - > (%d,%d) addr %p ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
rxF
[
0
],
rxF
[
1
],
&
rxF
[
0
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fl
,
ch
,
dl_ch
,
16
);
pil
+=
2
;
rxF
+=
8
;
//for (int i= 0; i<8; i++)
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
rxF
[
0
],
rxF
[
1
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fm
,
ch
,
dl_ch
,
16
);
pil
+=
2
;
rxF
+=
8
;
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"pilot 2 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
rxF
[
0
],
rxF
[
1
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fr
,
ch
,
dl_ch
,
16
);
pil
+=
2
;
rxF
+=
8
;
dl_ch
+=
24
;
for
(
pilot_cnt
=
3
;
pilot_cnt
<
(
3
*
24
);
pilot_cnt
+=
3
)
{
if
(
pilot_cnt
==
36
)
rxF
=
(
int16_t
*
)
&
rxdataF
[
aarx
][(
symbol_offset
+
k
)];
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
pilot_cnt
,
rxF
[
0
],
rxF
[
1
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fl
,
ch
,
dl_ch
,
16
);
//for (int i= 0; i<8; i++)
// printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i));
pil
+=
2
;
rxF
+=
8
;
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
pilot_cnt
+
1
,
rxF
[
0
],
rxF
[
1
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fm
,
ch
,
dl_ch
,
16
);
pil
+=
2
;
rxF
+=
8
;
ch
[
0
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
0
]
-
(
int32_t
)
pil
[
1
]
*
rxF
[
1
])
>>
15
);
ch
[
1
]
=
(
int16_t
)(((
int32_t
)
pil
[
0
]
*
rxF
[
1
]
+
(
int32_t
)
pil
[
1
]
*
rxF
[
0
])
>>
15
);
#ifdef DEBUG_CH
printf
(
"pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d)
\n
"
,
rxF
[
0
],
rxF
[
1
],
ch
[
0
],
ch
[
1
],
pil
[
0
],
pil
[
1
]);
#endif
multadd_real_vector_complex_scalar
(
fr
,
ch
,
dl_ch
,
16
);
pil
+=
2
;
rxF
+=
8
;
dl_ch
+=
24
;
}
}
}
return
(
0
);
}
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
View file @
a79992bc
...
...
@@ -1141,16 +1141,15 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
for
(
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
if
(
high_speed_flag
==
1
){
dl_ch0
=
&
dl_ch_estimates
[
aarx
][
5
+
(
symbol
*
(
frame_parms
->
ofdm_symbol_size
))];
dl_ch0
=
&
dl_ch_estimates
[
aarx
][(
symbol
*
(
frame_parms
->
ofdm_symbol_size
))];
#ifdef NR_PDCCH_DCI_DEBUG
printf
(
"
\t\t
<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][5 + (symbol * (frame_parms->ofdm_symbol_size (%d))) = (%d)]
\n
"
,
aarx
,
frame_parms
->
ofdm_symbol_size
,
5
+
(
symbol
*
(
frame_parms
->
ofdm_symbol_size
)));
printf
(
"
\t\t
<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> why pointer is pointing to that position (what does '5' mean)?
\n
"
);
printf
(
"
\t\t
<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][ (symbol * (frame_parms->ofdm_symbol_size (%d))) = (%d)]
\n
"
,
aarx
,
frame_parms
->
ofdm_symbol_size
,(
symbol
*
(
frame_parms
->
ofdm_symbol_size
)));
#endif
}
else
{
dl_ch0
=
&
dl_ch_estimates
[
aarx
][
5
];
dl_ch0
=
&
dl_ch_estimates
[
aarx
][
0
];
#ifdef NR_PDCCH_DCI_DEBUG
printf
(
"
\t\t
<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][
5
]
\n
"
,
aarx
);
printf
(
"
\t\t
<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][
0
]
\n
"
,
aarx
);
#endif
}
...
...
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
View file @
a79992bc
...
...
@@ -68,28 +68,31 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
frame_parms
->
nb_prefix_samples0
=
0
;
//symbol 1
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
1
,
0
,
ue
->
rx_offset
,
0
,
1
);
1
,
NR_PBCH_EST
);
//symbol 2
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
2
,
0
,
ue
->
rx_offset
,
0
,
1
);
1
,
NR_PBCH_EST
);
//symbol 3
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
3
,
0
,
ue
->
rx_offset
,
0
,
1
);
1
,
NR_PBCH_EST
);
frame_parms
->
nb_prefix_samples0
=
nb_prefix_samples0
;
...
...
openair1/PHY/NR_UE_TRANSPORT/sss_nr.c
View file @
a79992bc
...
...
@@ -466,20 +466,22 @@ int rx_sss_nr(PHY_VARS_NR_UE *ue, int32_t *tot_metric,uint8_t *phase_max)
// Do FFTs for SSS/PSS
// SSS
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
SSS_SYMBOL_NB
,
// symbol number
0
,
// Ns slot number
ue
->
rx_offset
,
// sample_offset of int16_t
0
,
// no_prefix
1
);
// reset frequency estimation
1
,
// reset frequency estimation
NR_SSS_EST
);
// PSS
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
PSS_SYMBOL_NB
,
0
,
ue
->
rx_offset
,
0
,
1
);
1
,
NR_SSS_EST
);
frame_parms
->
nb_prefix_samples0
=
nb_prefix_samples0
;
...
...
openair1/PHY/defs_nr_UE.h
View file @
a79992bc
...
...
@@ -282,6 +282,13 @@ typedef struct {
UE_nr_rxtx_proc_t
proc_rxtx
[
RX_NB_TH
];
}
UE_nr_proc_t
;
typedef
enum
{
NR_PBCH_EST
=
0
,
NR_PDCCH_EST
,
NR_PDSCH_EST
,
NR_SSS_EST
,
}
NR_CHANNEL_EST_t
;
#define debug_msg if (((mac_xface->frame%100) == 0) || (mac_xface->frame < 50)) msg
typedef
struct
{
...
...
@@ -988,7 +995,7 @@ typedef struct {
uint32_t
nr_gold_pdsch
[
2
][
20
][
2
][
21
];
/// PDCCH DMRS
uint32_t
nr_gold_pdcch
[
10
][
3
][
42
];
uint32_t
nr_gold_pdcch
[
2
][
20
][
3
][
10
];
uint32_t
X_u
[
64
][
839
];
...
...
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @
a79992bc
...
...
@@ -5951,12 +5951,13 @@ int phy_procedures_UE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
start_meas
(
&
ue
->
ofdm_demod_stats
);
#endif
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP
,
VCD_FUNCTION_IN
);
slot_fep_pbch
(
ue
,
nr_slot_fep
(
ue
,
l
,
(
nr_tti_rx
<<
1
),
0
,
0
,
0
);
0
,
NR_PDCCH_EST
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP
,
VCD_FUNCTION_OUT
);
#if UE_TIMING_TRACE
stop_meas
(
&
ue
->
ofdm_demod_stats
);
...
...
targets/RT/USER/nr-ue.c
View file @
a79992bc
...
...
@@ -819,7 +819,7 @@ void *UE_thread(void *arg) {
(
void
**
)
UE
->
common_vars
.
rxdata
,
UE
->
frame_parms
.
ofdm_symbol_size
+
UE
->
frame_parms
.
nb_prefix_samples0
,
UE
->
frame_parms
.
nb_antennas_rx
),
""
);
slot_fep_pbch
(
UE
,
0
,
0
,
0
,
0
,
0
);
nr_slot_fep
(
UE
,
0
,
0
,
0
,
0
,
0
,
NR_PBCH_EST
);
}
//UE->mode != loop_through_memory
else
rt_sleep_ns
(
1000
*
1000
);
...
...
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