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OpenXG
OpenXG-RAN
Commits
6a0605b0
Commit
6a0605b0
authored
Aug 11, 2022
by
Robert Schmidt
Browse files
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Merge remote-tracking branch 'origin/get_samplerate_and_bw' into integration_2022_wk32
parents
9c94f864
6e2a8385
Changes
6
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Showing
6 changed files
with
280 additions
and
338 deletions
+280
-338
common/utils/nr/nr_common.c
common/utils/nr/nr_common.c
+230
-0
common/utils/nr/nr_common.h
common/utils/nr/nr_common.h
+7
-0
executables/nr-ru.c
executables/nr-ru.c
+8
-220
openair1/SIMULATION/NR_PHY/dlsim.c
openair1/SIMULATION/NR_PHY/dlsim.c
+10
-43
openair1/SIMULATION/NR_PHY/pucchsim.c
openair1/SIMULATION/NR_PHY/pucchsim.c
+13
-42
openair1/SIMULATION/NR_PHY/ulsim.c
openair1/SIMULATION/NR_PHY/ulsim.c
+12
-33
No files found.
common/utils/nr/nr_common.c
View file @
6a0605b0
...
...
@@ -472,6 +472,236 @@ int get_subband_size(int NPRB,int size) {
}
void
get_samplerate_and_bw
(
int
mu
,
int
n_rb
,
int8_t
threequarter_fs
,
double
*
sample_rate
,
unsigned
int
*
samples_per_frame
,
double
*
tx_bw
,
double
*
rx_bw
)
{
if
(
mu
==
0
)
{
switch
(
n_rb
)
{
case
270
:
if
(
threequarter_fs
)
{
*
sample_rate
=
92.16e6
;
*
samples_per_frame
=
921600
;
*
tx_bw
=
50e6
;
*
rx_bw
=
50e6
;
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
50e6
;
*
rx_bw
=
50e6
;
}
case
216
:
if
(
threequarter_fs
)
{
*
sample_rate
=
46.08e6
;
*
samples_per_frame
=
460800
;
*
tx_bw
=
40e6
;
*
rx_bw
=
40e6
;
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
40e6
;
*
rx_bw
=
40e6
;
}
break
;
case
160
:
//30 MHz
case
133
:
//25 MHz
if
(
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
n_rb
);
}
else
{
*
sample_rate
=
30.72e6
;
*
samples_per_frame
=
307200
;
*
tx_bw
=
20e6
;
*
rx_bw
=
20e6
;
}
case
106
:
if
(
threequarter_fs
)
{
*
sample_rate
=
23.04e6
;
*
samples_per_frame
=
230400
;
*
tx_bw
=
20e6
;
*
rx_bw
=
20e6
;
}
else
{
*
sample_rate
=
30.72e6
;
*
samples_per_frame
=
307200
;
*
tx_bw
=
20e6
;
*
rx_bw
=
20e6
;
}
break
;
case
52
:
if
(
threequarter_fs
)
{
*
sample_rate
=
11.52e6
;
*
samples_per_frame
=
115200
;
*
tx_bw
=
10e6
;
*
rx_bw
=
10e6
;
}
else
{
*
sample_rate
=
15.36e6
;
*
samples_per_frame
=
153600
;
*
tx_bw
=
10e6
;
*
rx_bw
=
10e6
;
}
case
25
:
if
(
threequarter_fs
)
{
*
sample_rate
=
5.76e6
;
*
samples_per_frame
=
57600
;
*
tx_bw
=
5e6
;
*
rx_bw
=
5e6
;
}
else
{
*
sample_rate
=
7.68e6
;
*
samples_per_frame
=
76800
;
*
tx_bw
=
5e6
;
*
rx_bw
=
5e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
n_rb
,
mu
);
}
}
else
if
(
mu
==
1
)
{
switch
(
n_rb
)
{
case
273
:
if
(
threequarter_fs
)
{
*
sample_rate
=
184.32e6
;
*
samples_per_frame
=
1843200
;
*
tx_bw
=
100e6
;
*
rx_bw
=
100e6
;
}
else
{
*
sample_rate
=
122.88e6
;
*
samples_per_frame
=
1228800
;
*
tx_bw
=
100e6
;
*
rx_bw
=
100e6
;
}
break
;
case
217
:
if
(
threequarter_fs
)
{
*
sample_rate
=
92.16e6
;
*
samples_per_frame
=
921600
;
*
tx_bw
=
80e6
;
*
rx_bw
=
80e6
;
}
else
{
*
sample_rate
=
122.88e6
;
*
samples_per_frame
=
1228800
;
*
tx_bw
=
80e6
;
*
rx_bw
=
80e6
;
}
break
;
case
162
:
if
(
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
n_rb
);
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
60e6
;
*
rx_bw
=
60e6
;
}
break
;
case
133
:
if
(
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
n_rb
);
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
50e6
;
*
rx_bw
=
50e6
;
}
break
;
case
106
:
if
(
threequarter_fs
)
{
*
sample_rate
=
46.08e6
;
*
samples_per_frame
=
460800
;
*
tx_bw
=
40e6
;
*
rx_bw
=
40e6
;
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
40e6
;
*
rx_bw
=
40e6
;
}
break
;
case
51
:
if
(
threequarter_fs
)
{
*
sample_rate
=
23.04e6
;
*
samples_per_frame
=
230400
;
*
tx_bw
=
20e6
;
*
rx_bw
=
20e6
;
}
else
{
*
sample_rate
=
30.72e6
;
*
samples_per_frame
=
307200
;
*
tx_bw
=
20e6
;
*
rx_bw
=
20e6
;
}
break
;
case
24
:
if
(
threequarter_fs
)
{
*
sample_rate
=
11.52e6
;
*
samples_per_frame
=
115200
;
*
tx_bw
=
10e6
;
*
rx_bw
=
10e6
;
}
else
{
*
sample_rate
=
15.36e6
;
*
samples_per_frame
=
153600
;
*
tx_bw
=
10e6
;
*
rx_bw
=
10e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
n_rb
,
mu
);
}
}
else
if
(
mu
==
3
)
{
switch
(
n_rb
)
{
case
66
:
if
(
threequarter_fs
)
{
*
sample_rate
=
184.32e6
;
*
samples_per_frame
=
1843200
;
*
tx_bw
=
100e6
;
*
rx_bw
=
100e6
;
}
else
{
*
sample_rate
=
122.88e6
;
*
samples_per_frame
=
1228800
;
*
tx_bw
=
100e6
;
*
rx_bw
=
100e6
;
}
break
;
case
32
:
if
(
threequarter_fs
)
{
*
sample_rate
=
92.16e6
;
*
samples_per_frame
=
921600
;
*
tx_bw
=
50e6
;
*
rx_bw
=
50e6
;
}
else
{
*
sample_rate
=
61.44e6
;
*
samples_per_frame
=
614400
;
*
tx_bw
=
50e6
;
*
rx_bw
=
50e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
n_rb
,
mu
);
}
}
else
{
AssertFatal
(
0
==
1
,
"Numerology %d not supported for the moment
\n
"
,
mu
);
}
}
// from start symbol index and nb or symbols to symbol occupation bitmap in a slot
uint16_t
SL_to_bitmap
(
int
startSymbolIndex
,
int
nrOfSymbols
)
{
return
((
1
<<
nrOfSymbols
)
-
1
)
<<
startSymbolIndex
;
...
...
common/utils/nr/nr_common.h
View file @
6a0605b0
...
...
@@ -76,6 +76,13 @@ uint16_t SL_to_bitmap(int startSymbolIndex, int nrOfSymbols);
int
get_nb_periods_per_frame
(
uint8_t
tdd_period
);
int
get_supported_band_index
(
int
scs
,
int
band
,
int
n_rbs
);
long
rrc_get_max_nr_csrs
(
uint8_t
max_rbs
,
long
b_SRS
);
void
get_samplerate_and_bw
(
int
mu
,
int
n_rb
,
int8_t
threequarter_fs
,
double
*
sample_rate
,
unsigned
int
*
samples_per_frame
,
double
*
tx_bw
,
double
*
rx_bw
);
#define CEILIDIV(a,b) ((a+b-1)/b)
#define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))
...
...
executables/nr-ru.c
View file @
6a0605b0
...
...
@@ -31,6 +31,7 @@
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#include "common/utils/nr/nr_common.h"
#include "common/utils/assertions.h"
#include "common/utils/system.h"
#include "common/ran_context.h"
...
...
@@ -809,226 +810,13 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
int
mu
=
config
->
ssb_config
.
scs_common
.
value
;
int
N_RB
=
config
->
carrier_config
.
dl_grid_size
[
config
->
ssb_config
.
scs_common
.
value
].
value
;
if
(
mu
==
NR_MU_0
)
{
switch
(
N_RB
)
{
case
270
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
92.16e6
;
cfg
->
samples_per_frame
=
921600
;
cfg
->
tx_bw
=
50e6
;
cfg
->
rx_bw
=
50e6
;
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
50e6
;
cfg
->
rx_bw
=
50e6
;
}
case
216
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
46.08e6
;
cfg
->
samples_per_frame
=
460800
;
cfg
->
tx_bw
=
40e6
;
cfg
->
rx_bw
=
40e6
;
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
40e6
;
cfg
->
rx_bw
=
40e6
;
}
break
;
case
160
:
//30 MHz
case
133
:
//25 MHz
if
(
fp
->
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
N_RB
);
}
else
{
cfg
->
sample_rate
=
30.72e6
;
cfg
->
samples_per_frame
=
307200
;
cfg
->
tx_bw
=
20e6
;
cfg
->
rx_bw
=
20e6
;
}
case
106
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
23.04e6
;
cfg
->
samples_per_frame
=
230400
;
cfg
->
tx_bw
=
20e6
;
cfg
->
rx_bw
=
20e6
;
}
else
{
cfg
->
sample_rate
=
30.72e6
;
cfg
->
samples_per_frame
=
307200
;
cfg
->
tx_bw
=
20e6
;
cfg
->
rx_bw
=
20e6
;
}
break
;
case
52
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
11.52e6
;
cfg
->
samples_per_frame
=
115200
;
cfg
->
tx_bw
=
10e6
;
cfg
->
rx_bw
=
10e6
;
}
else
{
cfg
->
sample_rate
=
15.36e6
;
cfg
->
samples_per_frame
=
153600
;
cfg
->
tx_bw
=
10e6
;
cfg
->
rx_bw
=
10e6
;
}
case
25
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
5.76e6
;
cfg
->
samples_per_frame
=
57600
;
cfg
->
tx_bw
=
5e6
;
cfg
->
rx_bw
=
5e6
;
}
else
{
cfg
->
sample_rate
=
7.68e6
;
cfg
->
samples_per_frame
=
76800
;
cfg
->
tx_bw
=
5e6
;
cfg
->
rx_bw
=
5e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
N_RB
,
mu
);
}
}
else
if
(
mu
==
NR_MU_1
)
{
switch
(
N_RB
)
{
case
273
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
184.32e6
;
cfg
->
samples_per_frame
=
1843200
;
cfg
->
tx_bw
=
100e6
;
cfg
->
rx_bw
=
100e6
;
}
else
{
cfg
->
sample_rate
=
122.88e6
;
cfg
->
samples_per_frame
=
1228800
;
cfg
->
tx_bw
=
100e6
;
cfg
->
rx_bw
=
100e6
;
}
break
;
case
217
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
92.16e6
;
cfg
->
samples_per_frame
=
921600
;
cfg
->
tx_bw
=
80e6
;
cfg
->
rx_bw
=
80e6
;
}
else
{
cfg
->
sample_rate
=
122.88e6
;
cfg
->
samples_per_frame
=
1228800
;
cfg
->
tx_bw
=
80e6
;
cfg
->
rx_bw
=
80e6
;
}
break
;
case
162
:
if
(
fp
->
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
N_RB
);
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
60e6
;
cfg
->
rx_bw
=
60e6
;
}
break
;
case
133
:
if
(
fp
->
threequarter_fs
)
{
AssertFatal
(
1
==
0
,
"N_RB %d cannot use 3/4 sampling
\n
"
,
N_RB
);
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
50e6
;
cfg
->
rx_bw
=
50e6
;
}
break
;
case
106
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
46.08e6
;
cfg
->
samples_per_frame
=
460800
;
cfg
->
tx_bw
=
40e6
;
cfg
->
rx_bw
=
40e6
;
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
40e6
;
cfg
->
rx_bw
=
40e6
;
}
break
;
case
51
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
23.04e6
;
cfg
->
samples_per_frame
=
230400
;
cfg
->
tx_bw
=
20e6
;
cfg
->
rx_bw
=
20e6
;
}
else
{
cfg
->
sample_rate
=
30.72e6
;
cfg
->
samples_per_frame
=
307200
;
cfg
->
tx_bw
=
20e6
;
cfg
->
rx_bw
=
20e6
;
}
break
;
case
24
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
11.52e6
;
cfg
->
samples_per_frame
=
115200
;
cfg
->
tx_bw
=
10e6
;
cfg
->
rx_bw
=
10e6
;
}
else
{
cfg
->
sample_rate
=
15.36e6
;
cfg
->
samples_per_frame
=
153600
;
cfg
->
tx_bw
=
10e6
;
cfg
->
rx_bw
=
10e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
N_RB
,
mu
);
}
}
else
if
(
mu
==
NR_MU_3
)
{
switch
(
N_RB
)
{
case
66
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
184.32e6
;
cfg
->
samples_per_frame
=
1843200
;
cfg
->
tx_bw
=
100e6
;
cfg
->
rx_bw
=
100e6
;
}
else
{
cfg
->
sample_rate
=
122.88e6
;
cfg
->
samples_per_frame
=
1228800
;
cfg
->
tx_bw
=
100e6
;
cfg
->
rx_bw
=
100e6
;
}
break
;
case
32
:
if
(
fp
->
threequarter_fs
)
{
cfg
->
sample_rate
=
92.16e6
;
cfg
->
samples_per_frame
=
921600
;
cfg
->
tx_bw
=
50e6
;
cfg
->
rx_bw
=
50e6
;
}
else
{
cfg
->
sample_rate
=
61.44e6
;
cfg
->
samples_per_frame
=
614400
;
cfg
->
tx_bw
=
50e6
;
cfg
->
rx_bw
=
50e6
;
}
break
;
default:
AssertFatal
(
0
==
1
,
"N_RB %d not yet supported for numerology %d
\n
"
,
N_RB
,
mu
);
}
}
else
{
AssertFatal
(
0
==
1
,
"Numerology %d not supported for the moment
\n
"
,
mu
);
}
get_samplerate_and_bw
(
mu
,
N_RB
,
fp
->
threequarter_fs
,
&
cfg
->
sample_rate
,
&
cfg
->
samples_per_frame
,
&
cfg
->
tx_bw
,
&
cfg
->
rx_bw
);
if
(
config
->
cell_config
.
frame_duplex_type
.
value
==
TDD
)
cfg
->
duplex_mode
=
duplex_mode_TDD
;
...
...
openair1/SIMULATION/NR_PHY/dlsim.c
View file @
6a0605b0
...
...
@@ -884,55 +884,22 @@ int main(int argc, char **argv)
if
(
g_rbStart
<
0
)
g_rbStart
=
0
;
if
(
g_rbSize
<
0
)
g_rbSize
=
N_RB_DL
-
g_rbStart
;
double
fs
,
bw
;
double
fs
,
txbw
,
rxbw
;
uint32_t
samples
;
if
(
mu
==
0
&&
N_RB_DL
==
25
)
{
fs
=
7.68e6
;
bw
=
5e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
217
)
{
fs
=
122.88e6
;
bw
=
80e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
245
)
{
fs
=
122.88e6
;
bw
=
90e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
273
)
{
fs
=
122.88e6
;
bw
=
100e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
106
)
{
fs
=
61.44e6
;
bw
=
40e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
133
)
{
fs
=
61.44e6
;
bw
=
50e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
162
)
{
fs
=
61.44e6
;
bw
=
60e6
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
24
)
{
fs
=
15.36e6
;
bw
=
10e6
;
}
else
if
(
mu
==
3
&&
N_RB_DL
==
66
)
{
fs
=
122.88e6
;
bw
=
100e6
;
}
else
if
(
mu
==
3
&&
N_RB_DL
==
32
)
{
fs
=
61.44e6
;
bw
=
50e6
;
}
else
AssertFatal
(
1
==
0
,
"Unsupported numerology for mu %d, N_RB %d
\n
"
,
mu
,
N_RB_DL
);
get_samplerate_and_bw
(
mu
,
N_RB_DL
,
frame_parms
->
threequarter_fs
,
&
fs
,
&
samples
,
&
txbw
,
&
rxbw
);
gNB2UE
=
new_channel_desc_scm
(
n_tx
,
n_rx
,
channel_model
,
fs
/
1e6
,
//sampling frequency in MHz
bw
,
tx
bw
,
30e-9
,
0
,
0
,
...
...
openair1/SIMULATION/NR_PHY/pucchsim.c
View file @
6a0605b0
...
...
@@ -27,6 +27,7 @@
#include <sys/mman.h>
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "common/utils/nr/nr_common.h"
#include "common/utils/LOG/log.h"
#include "common/ran_context.h"
#include "PHY/types.h"
...
...
@@ -390,45 +391,18 @@ int main(int argc, char **argv)
nr_phy_config_request_sim
(
gNB
,
N_RB_DL
,
N_RB_DL
,
mu
,
Nid_cell
,
SSB_positions
);
phy_init_nr_gNB
(
gNB
,
0
,
0
);
double
fs
,
bw
,
scs
,
eps
;
double
fs
,
txbw
,
rxbw
;
uint32_t
samples
;
if
(
mu
==
1
&&
N_RB_DL
==
217
)
{
fs
=
122.88e6
;
bw
=
80e6
;
scs
=
30000
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
245
)
{
fs
=
122.88e6
;
bw
=
90e6
;
scs
=
30000
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
273
)
{
fs
=
122.88e6
;
bw
=
100e6
;
scs
=
30000
;
}
else
if
(
mu
==
1
&&
N_RB_DL
==
106
)
{
fs
=
61.44e6
;
bw
=
40e6
;
scs
=
30000
;
}
else
AssertFatal
(
1
==
0
,
"Unsupported numerology for mu %d, N_RB %d
\n
"
,
mu
,
N_RB_DL
);
get_samplerate_and_bw
(
mu
,
N_RB_DL
,
frame_parms
->
threequarter_fs
,
&
fs
,
&
samples
,
&
txbw
,
&
rxbw
);
// cfo with respect to sub-carrier spacing
eps
=
cfo
/
scs
;
// computation of integer and fractional FO to compare with estimation results
int
IFO
;
if
(
eps
!=
0
.
0
){
printf
(
"Introducing a CFO of %lf relative to SCS of %d kHz
\n
"
,
eps
,(
int
)(
scs
/
1000
));
if
(
eps
>
0
)
IFO
=
(
int
)(
eps
+
0
.
5
);
else
IFO
=
(
int
)(
eps
-
0
.
5
);
printf
(
"FFO = %lf; IFO = %d
\n
"
,
eps
-
IFO
,
IFO
);
}
UE2gNB
=
new_channel_desc_scm
(
n_tx
,
n_rx
,
channel_model
,
fs
,
bw
,
DS_TDL
,
0
,
0
,
0
,
0
);
UE2gNB
=
new_channel_desc_scm
(
n_tx
,
n_rx
,
channel_model
,
fs
,
txbw
,
DS_TDL
,
0
,
0
,
0
,
0
);
if
(
UE2gNB
==
NULL
)
{
printf
(
"Problem generating channel model. Exiting.
\n
"
);
...
...
@@ -477,9 +451,6 @@ int main(int argc, char **argv)
memcpy
(
&
UE
->
frame_parms
,
frame_parms
,
sizeof
(
NR_DL_FRAME_PARMS
));
UE
->
frame_parms
.
nb_antennas_rx
=
1
;
if
(
eps
!=
0
.
0
)
UE
->
UE_fo_compensation
=
1
;
// if a frequency offset is set then perform fo estimation and compensation
if
(
init_nr_ue_signal
(
UE
,
1
)
!=
0
)
{
printf
(
"Error at UE NR initialisation
\n
"
);
...
...
@@ -568,7 +539,7 @@ int main(int argc, char **argv)
}
random_channel
(
UE2gNB
,
0
);
freq_channel
(
UE2gNB
,
N_RB_DL
,
2
*
N_RB_DL
+
1
,
scs
/
1000
);
freq_channel
(
UE2gNB
,
N_RB_DL
,
2
*
N_RB_DL
+
1
,
15
<<
mu
);
for
(
int
symb
=
0
;
symb
<
nrofSymbols
;
symb
++
)
{
int
i0
=
(
startingSymbolIndex
+
symb
)
*
gNB
->
frame_parms
.
ofdm_symbol_size
;
for
(
int
re
=
0
;
re
<
N_RB_DL
*
12
;
re
++
)
{
...
...
openair1/SIMULATION/NR_PHY/ulsim.c
View file @
6a0605b0
...
...
@@ -28,6 +28,7 @@
#include "common/ran_context.h"
#include "common/config/config_userapi.h"
#include "common/utils/LOG/log.h"
#include "common/utils/nr/nr_common.h"
#include "PHY/defs_gNB.h"
#include "PHY/defs_nr_common.h"
#include "PHY/defs_nr_UE.h"
...
...
@@ -668,45 +669,23 @@ int main(int argc, char **argv)
if
(
snr1set
==
0
)
snr1
=
snr0
+
10
;
double
sampling_frequency
;
double
bandwidth
;
if
(
mu
==
0
&&
N_RB_UL
==
25
)
{
sampling_frequency
=
7
.
68
;
bandwidth
=
5
;
}
else
if
(
mu
==
1
&&
N_RB_UL
==
273
)
{
sampling_frequency
=
122
.
88
;
bandwidth
=
100
;
}
else
if
(
mu
==
1
&&
N_RB_UL
==
217
)
{
sampling_frequency
=
122
.
88
;
bandwidth
=
80
;
}
else
if
(
mu
==
1
&&
N_RB_UL
==
106
)
{
sampling_frequency
=
61
.
44
;
bandwidth
=
40
;
}
else
if
(
mu
==
1
&&
N_RB_UL
==
24
)
{
sampling_frequency
=
15
.
36
;
bandwidth
=
10
;
}
else
if
(
mu
==
3
&&
N_RB_UL
==
32
)
{
sampling_frequency
=
61
.
44
;
bandwidth
=
50
;
}
else
{
printf
(
"Add N_RB_UL %d
\n
"
,
N_RB_UL
);
exit
(
-
1
);
}
double
sampling_frequency
,
tx_bandwidth
,
rx_bandwidth
;
uint32_t
samples
;
get_samplerate_and_bw
(
mu
,
N_RB_DL
,
openair0_cfg
[
0
].
threequarter_fs
,
&
sampling_frequency
,
&
samples
,
&
tx_bandwidth
,
&
rx_bandwidth
);
LOG_I
(
PHY
,
"++++++++++++++++++++++++++++++++++++++++++++++%i+++++++++++++++++++++++++++++++++++++++++"
,
loglvl
);
if
(
openair0_cfg
[
0
].
threequarter_fs
==
1
)
sampling_frequency
*=
.
75
;
UE2gNB
=
new_channel_desc_scm
(
n_tx
,
n_rx
,
channel_model
,
sampling_frequency
,
bandwidth
,
sampling_frequency
/
1e6
,
tx_
bandwidth
,
DS_TDL
,
0
,
0
,
0
,
0
);
...
...
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