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OpenXG
OpenXG-RAN
Commits
fb4235fd
Commit
fb4235fd
authored
Sep 27, 2021
by
Raymond Knopp
Browse files
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Plain Diff
changes in PUCCH0 SNR measurement, testing for PUCCH power control
parent
87310ec5
Changes
9
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Showing
9 changed files
with
63 additions
and
43 deletions
+63
-43
openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
+4
-3
openair1/PHY/NR_TRANSPORT/nr_ulsch.c
openair1/PHY/NR_TRANSPORT/nr_ulsch.c
+3
-2
openair1/PHY/NR_TRANSPORT/pucch_rx.c
openair1/PHY/NR_TRANSPORT/pucch_rx.c
+6
-12
openair1/PHY/defs_gNB.h
openair1/PHY/defs_gNB.h
+12
-11
openair1/SCHED_NR/phy_procedures_nr_gNB.c
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+3
-0
openair1/SIMULATION/NR_PHY/pucchsim.c
openair1/SIMULATION/NR_PHY/pucchsim.c
+28
-8
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+1
-1
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
+3
-3
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+3
-3
No files found.
openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
View file @
fb4235fd
...
...
@@ -114,12 +114,13 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
if
(
s
==
first_symb
)
{
nb_symb
[
rb
]
=
0
;
for
(
int
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
measurements
->
n0_subband_power
[
aarx
][
rb
]
=
0
;
}
offset0
=
(
slot
&
3
)
*
(
frame_parms
->
symbols_per_slot
*
frame_parms
->
ofdm_symbol_size
)
+
(
frame_parms
->
first_carrier_offset
+
(
rb
*
12
))
%
frame_parms
->
ofdm_symbol_size
;
if
((
gNB
->
rb_mask_ul
[
s
][
rb
>>
5
]
&
(
1
<<
(
rb
&
31
)))
==
0
)
{
// check that rb was not used in this subframe
nb_symb
[
rb
]
++
;
for
(
int
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
if
(
s
==
first_symb
)
measurements
->
n0_subband_power
[
aarx
][
rb
]
=
0
;
offset
=
offset0
+
(
s
*
frame_parms
->
ofdm_symbol_size
);
ul_ch
=
&
common_vars
->
rxdataF
[
aarx
][
offset
];
len
=
12
;
...
...
@@ -129,7 +130,6 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
}
AssertFatal
(
ul_ch
,
"RX signal buffer (freq) problem
\n
"
);
measurements
->
n0_subband_power
[
aarx
][
rb
]
+=
signal_energy_nodc
(
ul_ch
,
len
);
measurements
->
n0_subband_power_dB
[
aarx
][
rb
]
=
dB_fixed
(
measurements
->
n0_subband_power
[
aarx
][
rb
]);
}
//antenna
}
}
//rb
...
...
@@ -144,6 +144,7 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
if
(
nb_symb
[
rb
]
>
0
)
{
for
(
int
aarx
=
0
;
aarx
<
frame_parms
->
nb_antennas_rx
;
aarx
++
)
{
measurements
->
n0_subband_power
[
aarx
][
rb
]
/=
nb_symb
[
rb
];
measurements
->
n0_subband_power_dB
[
aarx
][
rb
]
=
dB_fixed
(
measurements
->
n0_subband_power
[
aarx
][
rb
]);
n0_subband_tot_perPRB
+=
measurements
->
n0_subband_power
[
aarx
][
rb
];
if
(
rb
==
0
)
n0_subband_tot_perANT
[
aarx
]
=
measurements
->
n0_subband_power
[
aarx
][
rb
];
else
n0_subband_tot_perANT
[
aarx
]
+=
measurements
->
n0_subband_power
[
aarx
][
rb
];
...
...
@@ -151,7 +152,7 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
n0_subband_tot_perPRB
/=
frame_parms
->
nb_antennas_rx
;
measurements
->
n0_subband_power_tot_dB
[
rb
]
=
dB_fixed
(
n0_subband_tot_perPRB
);
measurements
->
n0_subband_power_tot_dBm
[
rb
]
=
measurements
->
n0_subband_power_tot_dB
[
rb
]
-
gNB
->
rx_total_gain_dB
-
dB_fixed
(
frame_parms
->
N_RB_UL
);
//printf(
"n0_subband_power_tot_dB[%d] => %d, over %d symbols\n",rb,measurements->n0_subband_power_tot_dB[rb],nb_symb[rb]);
LOG_D
(
PHY
,
"n0_subband_power_tot_dB[%d] => %d, over %d symbols
\n
"
,
rb
,
measurements
->
n0_subband_power_tot_dB
[
rb
],
nb_symb
[
rb
]);
n0_subband_tot
+=
n0_subband_tot_perPRB
;
nb_rb
++
;
}
...
...
openair1/PHY/NR_TRANSPORT/nr_ulsch.c
View file @
fb4235fd
...
...
@@ -144,10 +144,11 @@ void dump_pusch_stats(FILE *fd,PHY_VARS_gNB *gNB) {
if
(
gNB
->
ulsch_stats
[
i
].
rnti
>
0
&&
gNB
->
ulsch_stats
[
i
].
frame
!=
gNB
->
ulsch_stats
[
i
].
dump_frame
)
{
gNB
->
ulsch_stats
[
i
].
dump_frame
=
gNB
->
ulsch_stats
[
i
].
frame
;
for
(
int
aa
=
0
;
aa
<
gNB
->
frame_parms
.
nb_antennas_rx
;
aa
++
)
if
(
aa
==
0
)
fprintf
(
fd
,
"ULSCH RNTI %4x, %d.%d: ulsch_power[%d] %d,%d ulsch_noise_power[%d] %d.%d
\n
"
,
if
(
aa
==
0
)
fprintf
(
fd
,
"ULSCH RNTI %4x, %d.%d: ulsch_power[%d] %d,%d ulsch_noise_power[%d] %d.%d
, sync_pos %d
\n
"
,
gNB
->
ulsch_stats
[
i
].
rnti
,
gNB
->
ulsch_stats
[
i
].
frame
,
gNB
->
ulsch_stats
[
i
].
dump_frame
,
aa
,
gNB
->
ulsch_stats
[
i
].
power
[
aa
]
/
10
,
gNB
->
ulsch_stats
[
i
].
power
[
aa
]
%
10
,
aa
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
/
10
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
%
10
);
aa
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
/
10
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
%
10
,
gNB
->
ulsch_stats
[
i
].
sync_pos
);
else
fprintf
(
fd
,
" ulsch_power[%d] %d.%d, ulsch_noise_power[%d] %d.%d
\n
"
,
aa
,
gNB
->
ulsch_stats
[
i
].
power
[
aa
]
/
10
,
gNB
->
ulsch_stats
[
i
].
power
[
aa
]
%
10
,
aa
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
/
10
,
gNB
->
ulsch_stats
[
i
].
noise_power
[
aa
]
%
10
);
...
...
openair1/PHY/NR_TRANSPORT/pucch_rx.c
View file @
fb4235fd
...
...
@@ -322,12 +322,6 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
}
}
}
if
(
pucch_pdu
->
freq_hop_flag
==
0
&&
l
==
1
)
{
// non-coherent correlation
temp
=
0
;
for
(
int
aa
=
0
;
aa
<
frame_parms
->
nb_antennas_rx
;
aa
++
)
temp
+=
(
int64_t
)
corr_re
[
aa
][
0
]
*
corr_re
[
aa
][
0
]
+
(
int64_t
)
corr_im
[
aa
][
0
]
*
corr_im
[
aa
][
0
];
}
LOG_D
(
PHY
,
"PUCCH IDFT[%d/%d] = (%d,%d)=>%f
\n
"
,
mcs
[
i
],
seq_index
,
corr_re
[
0
][
0
],
corr_im
[
0
][
0
],
10
*
log10
((
double
)
corr_re
[
0
][
0
]
*
corr_re
[
0
][
0
]
+
(
double
)
corr_im
[
0
][
0
]
*
corr_im
[
0
][
0
]));
if
(
l
>
1
)
LOG_D
(
PHY
,
"PUCCH 2nd symbol IDFT[%d/%d] = (%d,%d)=>%f
\n
"
,
mcs
[
i
],
seq_index
,
corr_re
[
0
][
1
],
corr_im
[
0
][
1
],
10
*
log10
((
double
)
corr_re
[
0
][
1
]
*
corr_re
[
0
][
1
]
+
(
double
)
corr_im
[
0
][
1
]
*
corr_im
[
0
][
1
]));
if
(
pucch_pdu
->
freq_hop_flag
==
0
&&
l
==
1
)
{
// non-coherent correlation
...
...
@@ -376,8 +370,8 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
av_corr
/=
nr_sequences
/
l
;
int
xrtmag_dBtimes10
=
10
*
(
int
)
dB_fixed64
(
xrtmag
/
frame_parms
->
nb_antennas_rx
);
int
xrtmag_next_dBtimes10
=
10
*
(
int
)
dB_fixed64
(
xrtmag_next
/
frame_parms
->
nb_antennas_rx
);
int
xrtmag_dBtimes10
=
10
*
(
int
)
dB_fixed64
(
xrtmag
/
(
12
*
l
)
);
int
xrtmag_next_dBtimes10
=
10
*
(
int
)
dB_fixed64
(
xrtmag_next
/
(
12
*
l
)
);
#ifdef DEBUG_NR_PUCCH_RX
printf
(
"PUCCH 0 : maxpos %d
\n
"
,
maxpos
);
#endif
...
...
@@ -432,8 +426,8 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
uci_pdu
->
harq
->
harq_confidence_level
=
no_conf
?
1
:
0
;
uci_pdu
->
harq
->
harq_list
=
(
nfapi_nr_harq_t
*
)
malloc
(
1
);
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
=
index
&
0x01
;
LOG_I
(
PHY
,
"[DLSCH/PDSCH/PUCCH] %d.%d HARQ value %d with confidence level (0 is good, 1 is bad) %d xrt_mag %d srt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10
%d
\n
"
,
frame
,
slot
,
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
,
uci_pdu
->
harq
->
harq_confidence_level
,
xrtmag_dBtimes10
,
xrtmag_next_dBtimes10
,
max_n0
,
uci_stats
->
pucch0_n00
,
uci_stats
->
pucch0_n01
,
uci_stats
->
pucch0_thres
,
cqi
,
SNRtimes10
);
if
(
no_conf
)
LOG_I
(
PHY
,
"[DLSCH/PDSCH/PUCCH] %d.%d HARQ value %d with confidence level (0 is good, 1 is bad) %d xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d, energy %f, sync_pos
%d
\n
"
,
frame
,
slot
,
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
,
uci_pdu
->
harq
->
harq_confidence_level
,
xrtmag_dBtimes10
,
xrtmag_next_dBtimes10
,
max_n0
,
uci_stats
->
pucch0_n00
,
uci_stats
->
pucch0_n01
,
uci_stats
->
pucch0_thres
,
cqi
,
SNRtimes10
,
10
*
log10
((
double
)
sigenergy
),
gNB
->
ulsch_stats
[
0
].
sync_pos
);
if
(
pucch_pdu
->
sr_flag
==
1
)
{
uci_pdu
->
sr
=
calloc
(
1
,
sizeof
(
*
uci_pdu
->
sr
));
uci_pdu
->
sr
->
sr_indication
=
(
index
>
1
)
?
1
:
0
;
...
...
@@ -449,8 +443,8 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
uci_pdu
->
harq
->
harq_list
=
(
nfapi_nr_harq_t
*
)
malloc
(
2
);
uci_pdu
->
harq
->
harq_list
[
1
].
harq_value
=
index
&
0x01
;
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
=
(
index
>>
1
)
&
0x01
;
LOG_I
(
PHY
,
"[DLSCH/PDSCH/PUCCH] %d.%d HARQ values %d and %d with confidence level (0 is good, 1 is bad) %d, xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10
%d
\n
"
,
frame
,
slot
,
uci_pdu
->
harq
->
harq_list
[
1
].
harq_value
,
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
,
uci_pdu
->
harq
->
harq_confidence_level
,
xrtmag_dBtimes10
,
xrtmag_next_dBtimes10
,
max_n0
,
uci_stats
->
pucch0_n00
,
uci_stats
->
pucch0_n01
,
uci_stats
->
pucch0_thres
,
cqi
,
SNRtimes10
);
if
(
no_conf
)
LOG_I
(
PHY
,
"[DLSCH/PDSCH/PUCCH] %d.%d HARQ values %d and %d with confidence level (0 is good, 1 is bad) %d, xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d,sync_pos
%d
\n
"
,
frame
,
slot
,
uci_pdu
->
harq
->
harq_list
[
1
].
harq_value
,
uci_pdu
->
harq
->
harq_list
[
0
].
harq_value
,
uci_pdu
->
harq
->
harq_confidence_level
,
xrtmag_dBtimes10
,
xrtmag_next_dBtimes10
,
max_n0
,
uci_stats
->
pucch0_n00
,
uci_stats
->
pucch0_n01
,
uci_stats
->
pucch0_thres
,
cqi
,
SNRtimes10
,
gNB
->
ulsch_stats
[
0
].
sync_pos
);
if
(
pucch_pdu
->
sr_flag
==
1
)
{
uci_pdu
->
sr
=
calloc
(
1
,
sizeof
(
*
uci_pdu
->
sr
));
uci_pdu
->
sr
->
sr_indication
=
(
index
>
3
)
?
1
:
0
;
...
...
openair1/PHY/defs_gNB.h
View file @
fb4235fd
...
...
@@ -145,6 +145,7 @@ typedef struct {
int
power
[
NB_ANTENNAS_RX
];
int
noise_power
[
NB_ANTENNAS_RX
];
int
DTX
;
int
sync_pos
;
}
NR_gNB_SCH_STATS_t
;
typedef
struct
{
...
...
@@ -661,33 +662,33 @@ typedef struct {
//! estimated noise power (linear)
unsigned
int
n0_power
[
MAX_NUM_RU_PER_gNB
];
//! estimated noise power (dB)
unsigned
shor
t
n0_power_dB
[
MAX_NUM_RU_PER_gNB
];
unsigned
in
t
n0_power_dB
[
MAX_NUM_RU_PER_gNB
];
//! total estimated noise power (linear)
unsigned
int
n0_power_tot
;
//! estimated avg noise power (dB)
unsigned
shor
t
n0_power_tot_dB
;
unsigned
in
t
n0_power_tot_dB
;
//! estimated avg noise power (dB)
shor
t
n0_power_tot_dBm
;
in
t
n0_power_tot_dBm
;
//! estimated avg noise power per RB per RX ant (lin)
unsigned
shor
t
n0_subband_power
[
MAX_NUM_RU_PER_gNB
][
275
];
unsigned
in
t
n0_subband_power
[
MAX_NUM_RU_PER_gNB
][
275
];
//! estimated avg noise power per RB per RX ant (dB)
unsigned
shor
t
n0_subband_power_dB
[
MAX_NUM_RU_PER_gNB
][
275
];
unsigned
in
t
n0_subband_power_dB
[
MAX_NUM_RU_PER_gNB
][
275
];
//! estimated avg subband noise power (dB)
unsigned
shor
t
n0_subband_power_avg_dB
;
unsigned
in
t
n0_subband_power_avg_dB
;
//! estimated avg subband noise power per antenna (dB)
unsigned
shor
t
n0_subband_power_avg_perANT_dB
[
NB_ANTENNAS_RX
];
unsigned
in
t
n0_subband_power_avg_perANT_dB
[
NB_ANTENNAS_RX
];
//! estimated avg noise power per RB (dB)
shor
t
n0_subband_power_tot_dB
[
275
];
in
t
n0_subband_power_tot_dB
[
275
];
//! estimated avg noise power per RB (dBm)
shor
t
n0_subband_power_tot_dBm
[
275
];
in
t
n0_subband_power_tot_dBm
[
275
];
// gNB measurements (per user)
//! estimated received spatial signal power (linear)
unsigned
int
rx_spatial_power
[
NUMBER_OF_NR_ULSCH_MAX
][
NB_ANTENNAS_TX
][
NB_ANTENNAS_RX
];
//! estimated received spatial signal power (dB)
unsigned
shor
t
rx_spatial_power_dB
[
NUMBER_OF_NR_ULSCH_MAX
][
NB_ANTENNAS_TX
][
NB_ANTENNAS_RX
];
unsigned
in
t
rx_spatial_power_dB
[
NUMBER_OF_NR_ULSCH_MAX
][
NB_ANTENNAS_TX
][
NB_ANTENNAS_RX
];
//! estimated rssi (dBm)
short
rx_rssi_dBm
[
NUMBER_OF_NR_ULSCH_MAX
];
int
rx_rssi_dBm
[
NUMBER_OF_NR_ULSCH_MAX
];
//! estimated correlation (wideband linear) between spatial channels (computed in dlsch_demodulation)
int
rx_correlation
[
NUMBER_OF_NR_ULSCH_MAX
][
2
];
//! estimated correlation (wideband dB) between spatial channels (computed in dlsch_demodulation)
...
...
openair1/SCHED_NR/phy_procedures_nr_gNB.c
View file @
fb4235fd
...
...
@@ -413,6 +413,7 @@ void nr_fill_indication(PHY_VARS_gNB *gNB, int frame, int slot_rx, int ULSCH_id,
int
sync_pos
;
NR_gNB_ULSCH_t
*
ulsch
=
gNB
->
ulsch
[
ULSCH_id
][
0
];
NR_UL_gNB_HARQ_t
*
harq_process
=
ulsch
->
harq_processes
[
harq_pid
];
NR_gNB_SCH_STATS_t
*
stats
=
get_ulsch_stats
(
gNB
,
ulsch
);
nfapi_nr_pusch_pdu_t
*
pusch_pdu
=
&
harq_process
->
ulsch_pdu
;
...
...
@@ -427,6 +428,8 @@ void nr_fill_indication(PHY_VARS_gNB *gNB, int frame, int slot_rx, int ULSCH_id,
sync_pos_rounded
=
sync_pos
+
(
bw_scaling
/
2
)
-
1
;
else
sync_pos_rounded
=
sync_pos
-
(
bw_scaling
/
2
)
-
1
;
if
(
stats
)
stats
->
sync_pos
=
sync_pos
;
timing_advance_update
=
sync_pos_rounded
/
bw_scaling
;
// put timing advance command in 0..63 range
...
...
openair1/SIMULATION/NR_PHY/pucchsim.c
View file @
fb4235fd
...
...
@@ -104,7 +104,8 @@ int main(int argc, char **argv)
SCM_t
channel_model
=
AWGN
;
//Rayleigh1_anticorr;
double
DS_TDL
=
.
03
;
double
delay_us
=
0
;
int
N_RB_DL
=
273
,
mu
=
1
;
float
target_error_rate
=
0
.
001
;
int
frame_length_complex_samples
;
...
...
@@ -113,7 +114,7 @@ int main(int argc, char **argv)
//unsigned char frame_type = 0;
int
loglvl
=
OAILOG_WARNING
;
int
sr_flag
=
0
;
int
pucch_DTX_thres
=
10
0
;
int
pucch_DTX_thres
=
5
0
;
cpuf
=
get_cpu_freq_GHz
();
if
(
load_configmodule
(
argc
,
argv
,
CONFIG_ENABLECMDLINEONLY
)
==
0
)
{
...
...
@@ -123,7 +124,7 @@ int main(int argc, char **argv)
randominit
(
0
);
logInit
();
while
((
c
=
getopt
(
argc
,
argv
,
"f:hA:f:g:i:I:P:B:b:t:T:m:n:r:o:s:S:x:y:z:N:F:GR:IL:q:c"
))
!=
-
1
)
{
while
((
c
=
getopt
(
argc
,
argv
,
"f:hA:f:g:i:I:P:B:b:t:T:m:n:r:o:s:S:x:y:z:N:F:GR:IL:q:c
d:
"
))
!=
-
1
)
{
switch
(
c
)
{
case
'f'
:
//write_output_file=1;
...
...
@@ -228,6 +229,9 @@ int main(int argc, char **argv)
}
break;
*/
case
'd'
:
delay_us
=
atof
(
optarg
);
break
;
case
'x'
:
transmission_mode
=
atoi
(
optarg
);
...
...
@@ -346,6 +350,8 @@ int main(int argc, char **argv)
}
}
double
phase
=
(
1
<<
mu
)
*
30e-3
*
delay_us
;
set_glog
(
loglvl
);
if
(
snr1set
==
0
)
snr1
=
snr0
+
10
;
...
...
@@ -479,7 +485,7 @@ int main(int argc, char **argv)
//configure UE
UE
=
calloc
(
1
,
sizeof
(
PHY_VARS_NR_UE
));
memcpy
(
&
UE
->
frame_parms
,
frame_parms
,
sizeof
(
NR_DL_FRAME_PARMS
));
UE
->
frame_parms
.
nb_antennas_rx
=
1
;
UE
->
perfect_ce
=
0
;
if
(
eps
!=
0
.
0
)
...
...
@@ -550,7 +556,7 @@ int main(int argc, char **argv)
// sigma2 is variance per dimension, so N/(N_RB*12)
// so, sigma2 = N/(N_RB_DL*12) => (S/SNR)/(N_RB*12)
int
N_RB
=
(
format
==
0
||
format
==
1
)
?
1
:
nrofPRB
;
sigma2_dB
=
10
*
log10
(
txlev
/
(
12
.
0
*
N_RB
))
-
SNR
;
sigma2_dB
=
10
*
log10
(
txlev
*
(
N_RB_DL
/
N_RB
))
-
SNR
;
sigma2
=
pow
(
10
.
0
,
sigma2_dB
/
10
.
0
);
if
(
n_trials
==
1
)
printf
(
"txlev %d (%f dB), offset %d, sigma2 %f ( %f dB)
\n
"
,
txlev
,
10
*
log10
(
txlev
),
startingSymbolIndex
*
frame_parms
->
ofdm_symbol_size
,
sigma2
,
sigma2_dB
);
...
...
@@ -574,15 +580,22 @@ int main(int argc, char **argv)
random_channel
(
UE2gNB
,
0
);
freq_channel
(
UE2gNB
,
N_RB_DL
,
2
*
N_RB_DL
+
1
,
scs
/
1000
);
struct
complexd
phasor
;
double
rxr_tmp
;
for
(
int
symb
=
0
;
symb
<
nrofSymbols
;
symb
++
)
{
i0
=
(
startingSymbolIndex
+
symb
)
*
gNB
->
frame_parms
.
ofdm_symbol_size
;
for
(
int
re
=
0
;
re
<
N_RB_DL
*
12
;
re
++
)
{
i
=
i0
+
((
gNB
->
frame_parms
.
first_carrier_offset
+
re
)
%
gNB
->
frame_parms
.
ofdm_symbol_size
);
phasor
.
r
=
cos
(
2
*
M_PI
*
phase
*
re
);
phasor
.
i
=
sin
(
2
*
M_PI
*
phase
*
re
);
for
(
int
aarx
=
0
;
aarx
<
n_rx
;
aarx
++
)
{
txr
=
(
double
)(((
int16_t
*
)
txdataF
[
0
])[(
i
<<
1
)]);
txi
=
(
double
)(((
int16_t
*
)
txdataF
[
0
])[
1
+
(
i
<<
1
)]);
rxr
=
txr
*
UE2gNB
->
chF
[
aarx
][
re
].
r
-
txi
*
UE2gNB
->
chF
[
aarx
][
re
].
i
;
rxi
=
txr
*
UE2gNB
->
chF
[
aarx
][
re
].
i
+
txi
*
UE2gNB
->
chF
[
aarx
][
re
].
r
;
rxr_tmp
=
rxr
*
phasor
.
r
-
rxi
*
phasor
.
i
;
rxi
=
rxr
*
phasor
.
i
+
rxi
*
phasor
.
r
;
rxr
=
rxr_tmp
;
nr
=
sqrt
(
sigma2
/
2
)
*
gaussdouble
(
0
.
0
,
1
.
0
);
ni
=
sqrt
(
sigma2
/
2
)
*
gaussdouble
(
0
.
0
,
1
.
0
);
((
int16_t
*
)
rxdataF
[
aarx
])[
i
<<
1
]
=
(
int16_t
)(
100
.
0
*
(
rxr
+
nr
)
/
sqrt
((
double
)
txlev
));
...
...
@@ -601,7 +614,12 @@ int main(int argc, char **argv)
for
(
int
aarx
=
0
;
aarx
<
n_rx
;
aarx
++
)
rxlev
+=
signal_energy
(
&
rxdataF
[
aarx
][
startingSymbolIndex
*
frame_parms
->
ofdm_symbol_size
],
frame_parms
->
ofdm_symbol_size
);
// noise measurement
int
rxlev_pucch
=
0
;
for
(
int
aarx
=
0
;
aarx
<
n_rx
;
aarx
++
)
rxlev_pucch
+=
signal_energy
(
&
rxdataF
[
aarx
][
startingSymbolIndex
*
frame_parms
->
ofdm_symbol_size
],
12
);
// set UL mask for pucch allocation
for
(
int
s
=
0
;
s
<
frame_parms
->
symbols_per_slot
;
s
++
){
if
(
s
>=
startingSymbolIndex
&&
s
<
(
startingSymbolIndex
+
nrofSymbols
))
for
(
int
rb
=
0
;
rb
<
N_RB
;
rb
++
)
{
...
...
@@ -609,9 +627,11 @@ int main(int argc, char **argv)
gNB
->
rb_mask_ul
[
s
][
rb2
>>
5
]
|=
(
1
<<
(
rb2
&
31
));
}
}
// noise measurement (all PRBs)
gNB_I0_measurements
(
gNB
,
nr_slot_tx
,
0
,
gNB
->
frame_parms
.
symbols_per_slot
);
if
(
n_trials
==
1
)
printf
(
"
rxlev %d (%d dB), sigma2 %f dB, SNR %f, TX %f
\n
"
,
rxlev
,
dB_fixed
(
rxlev
),
sigma2_dB
,
SNR
,
10
*
log10
((
double
)
txlev
*
UE
->
frame_parms
.
ofdm_symbol_size
/
12
)
);
if
(
n_trials
==
1
)
printf
(
"
noise rxlev %d (%d dB), rxlev pucch %d dB sigma2 %f dB, SNR %f, TX %f, I0 (pucch) %d, I0 (avg) %d
\n
"
,
rxlev
,
dB_fixed
(
rxlev
),
dB_fixed
(
rxlev_pucch
),
sigma2_dB
,
SNR
,
10
*
log10
((
double
)
txlev
*
UE
->
frame_parms
.
ofdm_symbol_size
/
12
),
gNB
->
measurements
.
n0_subband_power_tot_dB
[
startingPRB
],
gNB
->
measurements
.
n0_subband_power_avg_dB
);
if
(
format
==
0
){
nfapi_nr_uci_pucch_pdu_format_0_1_t
uci_pdu
;
nfapi_nr_pucch_pdu_t
pucch_pdu
;
...
...
@@ -643,7 +663,7 @@ int main(int argc, char **argv)
sr_errors
+=
1
;
}
if
(
nr_bit
>
0
){
if
(
nr_bit
==
1
&&
do_DTX
==
0
)
if
(
nr_bit
==
1
&&
do_DTX
==
0
)
ack_nack_errors
+=
(
actual_payload
^
uci_pdu
.
harq
->
harq_list
[
0
].
harq_value
);
else
if
(
do_DTX
==
0
)
ack_nack_errors
+=
(((
actual_payload
&
1
)
^
uci_pdu
.
harq
->
harq_list
[
0
].
harq_value
)
+
((
actual_payload
>>
1
)
^
uci_pdu
.
harq
->
harq_list
[
1
].
harq_value
));
...
...
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @
fb4235fd
...
...
@@ -899,7 +899,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
harq
->
is_waiting
=
true
;
UE_info
->
mac_stats
[
UE_id
].
dlsch_rounds
[
harq
->
round
]
++
;
LOG_
I
(
NR_MAC
,
LOG_
D
(
NR_MAC
,
"%4d.%2d [DLSCH/PDSCH/PUCCH] UE %d RNTI %04x DCI L %d start %3d RBs %3d startSymbol %2d nb_symbol %2d dmrspos %x MCS %2d TBS %4d HARQ PID %2d round %d RV %d NDI %d dl_data_to_ULACK %d (%d.%d) TPC %d
\n
"
,
frame
,
slot
,
...
...
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
View file @
fb4235fd
...
...
@@ -1234,7 +1234,7 @@ int nr_acknack_scheduling(int mod_id,
}
}
LOG_
I
(
NR_MAC
,
"pucch_acknak 1. DL %d.%d, UL_ACK %d.%d, DAI_C %d
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
dai_c
);
LOG_
D
(
NR_MAC
,
"pucch_acknak 1. DL %d.%d, UL_ACK %d.%d, DAI_C %d
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
dai_c
);
// this is hardcoded for now as ue specific only if we are not on the initialBWP (to be fixed to allow ue_Specific also on initialBWP
NR_CellGroupConfig_t
*
cg
=
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
];
...
...
@@ -1286,7 +1286,7 @@ int nr_acknack_scheduling(int mod_id,
pucch
->
timing_indicator
=
i
;
pucch
->
dai_c
++
;
// retain old resource indicator, and we are good
LOG_
I
(
NR_MAC
,
"pucch_acknak : %d.%d. DAI > 0, pucch allocated for %d.%d (index %d)
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
timing_indicator
);
LOG_
D
(
NR_MAC
,
"pucch_acknak : %d.%d. DAI > 0, pucch allocated for %d.%d (index %d)
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
timing_indicator
);
return
0
;
}
...
...
@@ -1373,7 +1373,7 @@ int nr_acknack_scheduling(int mod_id,
pucch
->
timing_indicator
=
ind_found
;
// index in the list of timing indicators
LOG_
I
(
NR_MAC
,
"pucch_acknak 2. DAI 0 DL %d.%d, UL_ACK %d.%d (index %d)
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
timing_indicator
);
LOG_
D
(
NR_MAC
,
"pucch_acknak 2. DAI 0 DL %d.%d, UL_ACK %d.%d (index %d)
\n
"
,
frame
,
slot
,
pucch
->
frame
,
pucch
->
ul_slot
,
pucch
->
timing_indicator
);
pucch
->
dai_c
++
;
pucch
->
resource_indicator
=
0
;
// each UE has dedicated PUCCH resources
...
...
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
View file @
fb4235fd
...
...
@@ -1044,7 +1044,7 @@ void pf_ul(module_id_t module_id,
gNB_MAC_INST
*
nrmac
=
RC
.
nrmac
[
module_id
];
NR_ServingCellConfigCommon_t
*
scc
=
nrmac
->
common_channels
[
CC_id
].
ServingCellConfigCommon
;
NR_UE_info_t
*
UE_info
=
&
nrmac
->
UE_info
;
const
int
min_rb
=
5
;
const
int
min_rb
=
40
;
float
coeff_ue
[
MAX_MOBILES_PER_GNB
];
// UEs that could be scheduled
int
ue_array
[
MAX_MOBILES_PER_GNB
];
...
...
@@ -1218,7 +1218,7 @@ void pf_ul(module_id_t module_id,
UE_id
,
UE_info
->
rnti
[
UE_id
],
rbStart
,
min_rb
,
bwpSize
);
return
;
}
else
LOG_
I
(
NR_MAC
,
"allocating UL data for UE %d/RNTI %04x (rbStsart %d, min_rb %d, bwpSize %d
\n
"
,
UE_id
,
UE_info
->
rnti
[
UE_id
],
rbStart
,
min_rb
,
bwpSize
);
else
LOG_
D
(
NR_MAC
,
"allocating UL data for UE %d/RNTI %04x (rbStsart %d, min_rb %d, bwpSize %d
\n
"
,
UE_id
,
UE_info
->
rnti
[
UE_id
],
rbStart
,
min_rb
,
bwpSize
);
/* Save PUSCH field */
/* we want to avoid a lengthy deduction of DMRS and other parameters in
...
...
@@ -1247,7 +1247,7 @@ void pf_ul(module_id_t module_id,
&
rbSize
);
sched_pusch
->
rbSize
=
rbSize
;
sched_pusch
->
tb_size
=
TBS
;
LOG_
I
(
NR_MAC
,
"rbSize %d, TBS %d, est buf %d, sched_ul %d, B %d, CCE %d, num_dmrs_symb %d, N_PRB_DMRS %d
\n
"
,
LOG_
D
(
NR_MAC
,
"rbSize %d, TBS %d, est buf %d, sched_ul %d, B %d, CCE %d, num_dmrs_symb %d, N_PRB_DMRS %d
\n
"
,
rbSize
,
sched_pusch
->
tb_size
,
sched_ctrl
->
estimated_ul_buffer
,
sched_ctrl
->
sched_ul_bytes
,
B
,
sched_ctrl
->
cce_index
,
ps
->
num_dmrs_symb
,
ps
->
N_PRB_DMRS
);
/* Mark the corresponding RBs as used */
...
...
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