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Put the center_freq and maxDoppler as input of new_channel_desc_scm() function

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This commit is contained in:
Roberto Louro Magueta
2022-11-25 11:03:45 +00:00
parent e44a99b3c1
commit 9b04af1b52
13 changed files with 66 additions and 41 deletions
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common/utils/nr/nr_common.c
+1 -1
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@@ -135,7 +135,7 @@ uint16_t get_band(uint64_t downlink_frequency, int32_t delta_duplex)
const uint64_t dl_freq_khz = downlink_frequency / 1000;
const int32_t delta_duplex_khz = delta_duplex / 1000;
uint64_t center_freq_diff_khz = 999999999999999999; // 2^64
uint64_t center_freq_diff_khz = UINT64_MAX; // 2^64
uint16_t current_band = 0;
for (int ind = 0; ind < sizeofArray(nr_bandtable); ind++) {
openair1/SIMULATION/LTE_PHY/dlsim.c
+4
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@@ -1190,8 +1190,10 @@ int main(int argc, char **argv) {
UE->frame_parms.nb_antennas_rx,
channel_model,
N_RB2sampling_rate(eNB->frame_parms.N_RB_DL),
0,
N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL),
DS_TDL,
0.0,
CORR_LEVEL_LOW,
forgetting_factor,
rx_sample_offset,
@@ -1206,8 +1208,10 @@ int main(int argc, char **argv) {
UE->frame_parms.nb_antennas_rx,
channel_model,
N_RB2sampling_rate(eNB->frame_parms.N_RB_DL),
0,
N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL),
DS_TDL,
0.0,
CORR_LEVEL_LOW,
forgetting_factor,
rx_sample_offset,
openair1/SIMULATION/LTE_PHY/ulsim.c
+2 -2
View File
@@ -739,15 +739,15 @@ int main(int argc, char **argv) {
n_rx,
channel_model,
N_RB2sampling_rate(eNB->frame_parms.N_RB_UL),
0,
N_RB2channel_bandwidth(eNB->frame_parms.N_RB_UL),
30e-9,
maxDoppler,
CORR_LEVEL_LOW,
forgetting_factor,
delay,
0,
0);
// set Doppler
UE2eNB->max_Doppler = maxDoppler;
// NN: N_RB_UL has to be defined in ulsim
for (int k=0; k<NUMBER_OF_ULSCH_MAX; k++) eNB->ulsch[k] = new_eNB_ulsch(max_turbo_iterations,N_RB_DL,0);
openair1/SIMULATION/NR_PHY/dlschsim.c
+5 -1
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@@ -334,10 +334,14 @@ int main(int argc, char **argv)
if (ouput_vcd)
vcd_signal_dumper_init("/tmp/openair_dump_nr_dlschsim.vcd");
gNB2UE = new_channel_desc_scm(n_tx, n_rx, channel_model,
gNB2UE = new_channel_desc_scm(n_tx,
n_rx,
channel_model,
61.44e6, //N_RB2sampling_rate(N_RB_DL),
0,
40e6, //N_RB2channel_bandwidth(N_RB_DL),
DS_TDL,
0.0,
CORR_LEVEL_LOW,
0,
0,
openair1/SIMULATION/NR_PHY/dlsim.c
+2
View File
@@ -900,8 +900,10 @@ int main(int argc, char **argv)
n_rx,
channel_model,
fs/1e6,//sampling frequency in MHz
0,
txbw,
30e-9,
0.0,
CORR_LEVEL_LOW,
0,
0,
openair1/SIMULATION/NR_PHY/pbchsim.c
+2
View File
@@ -533,8 +533,10 @@ int main(int argc, char **argv)
n_rx,
channel_model,
fs,
0,
bw,
300e-9,
0.0,
CORR_LEVEL_LOW,
0,
0,
openair1/SIMULATION/NR_PHY/prachsim.c
+2
View File
@@ -729,8 +729,10 @@ int main(int argc, char **argv){
gNB->frame_parms.nb_antennas_rx,
channel_model,
fs,
0,
bw,
DS_TDL,
0.0,
CORR_LEVEL_LOW,
0.0,
delay,
openair1/SIMULATION/NR_PHY/pucchsim.c
+1 -1
View File
@@ -421,7 +421,7 @@ int main(int argc, char **argv)
&txbw,
&rxbw);
UE2gNB = new_channel_desc_scm(n_tx, n_rx, channel_model, fs, txbw, DS_TDL, CORR_LEVEL_LOW, 0, 0, 0, 0);
UE2gNB = new_channel_desc_scm(n_tx, n_rx, channel_model, fs, 0, txbw, DS_TDL, 0.0, CORR_LEVEL_LOW, 0, 0, 0, 0);
if (UE2gNB==NULL) {
printf("Problem generating channel model. Exiting.\n");
openair1/SIMULATION/NR_PHY/ulschsim.c
+2
View File
@@ -381,8 +381,10 @@ int main(int argc, char **argv)
n_rx,
channel_model,
61.44e6, //N_RB2sampling_rate(N_RB_DL),
0,
40e6, //N_RB2channel_bandwidth(N_RB_DL),
DS_TDL,
0.0,
CORR_LEVEL_LOW,
0,
0,
openair1/SIMULATION/NR_PHY/ulsim.c
+20 -21
View File
@@ -683,26 +683,6 @@ int main(int argc, char **argv)
&tx_bandwidth,
&rx_bandwidth);
LOG_I( PHY,"++++++++++++++++++++++++++++++++++++++++++++++%i+++++++++++++++++++++++++++++++++++++++++",loglvl);
UE2gNB = new_channel_desc_scm(n_tx,
n_rx, channel_model,
sampling_frequency/1e6,
tx_bandwidth,
DS_TDL,
corr_level,
0,
0,
0,
0);
if (UE2gNB == NULL) {
printf("Problem generating channel model. Exiting.\n");
exit(-1);
}
UE2gNB->max_Doppler = maxDoppler;
RC.gNB = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0] = calloc(1,sizeof(PHY_VARS_gNB));
gNB = RC.gNB[0];
@@ -809,8 +789,27 @@ int main(int argc, char **argv)
NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];
// Configure channel model
UE2gNB = new_channel_desc_scm(n_tx,
n_rx,
channel_model,
sampling_frequency / 1e6,
frame_parms->ul_CarrierFreq,
tx_bandwidth,
DS_TDL,
maxDoppler,
corr_level,
0,
0,
0,
0);
//configure UE
if (UE2gNB == NULL) {
printf("Problem generating channel model. Exiting.\n");
exit(-1);
}
// Configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
memset((void*)UE,0,sizeof(PHY_VARS_NR_UE));
PHY_vars_UE_g = malloc(sizeof(PHY_VARS_NR_UE**));
openair1/SIMULATION/TOOLS/random_channel.c
+10 -4
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@@ -559,18 +559,20 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint8_t nb_rx,
SCM_t channel_model,
double sampling_rate,
uint64_t center_freq,
double channel_bandwidth,
double DS_TDL,
double maxDoppler,
const corr_level_t corr_level,
double forgetting_factor,
int32_t channel_offset,
double path_loss_dB,
float noise_power_dB) {
float noise_power_dB)
{
// To create tables for normal distribution
struct timespec t;
clock_gettime(CLOCK_MONOTONIC, &t);
tableNor((long)(t.tv_nsec%INT_MAX));
tableNor((long) (t.tv_nsec % INT_MAX));
channel_desc_t *chan_desc = (channel_desc_t *)calloc(1,sizeof(channel_desc_t));
@@ -587,14 +589,16 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint16_t i,j;
double sum_amps;
double aoa,ricean_factor,Td,maxDoppler;
double aoa, ricean_factor, Td;
int channel_length,nb_taps;
struct complexd *R_sqrt_ptr2;
chan_desc->modelid = channel_model;
chan_desc->nb_tx = nb_tx;
chan_desc->nb_rx = nb_rx;
chan_desc->sampling_rate = sampling_rate;
chan_desc->center_freq = center_freq;
chan_desc->channel_bandwidth = channel_bandwidth;
chan_desc->max_Doppler = maxDoppler;
chan_desc->corr_level = corr_level;
chan_desc->forgetting_factor = forgetting_factor;
chan_desc->channel_offset = channel_offset;
@@ -2161,8 +2165,10 @@ int load_channellist(uint8_t nb_tx, uint8_t nb_rx, double sampling_rate, double
nb_rx,
modid,
sampling_rate,
0,
channel_bandwidth,
*(channel_list.paramarray[i][pindex_DT].dblptr),
0.0,
CORR_LEVEL_LOW,
*(channel_list.paramarray[i][pindex_FF].dblptr),
*(channel_list.paramarray[i][pindex_CO].iptr),
openair1/SIMULATION/TOOLS/sim.h
+2
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@@ -317,8 +317,10 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint8_t nb_rx,
SCM_t channel_model,
double sampling_rate,
uint64_t center_freq,
double channel_bandwidth,
double DS_TDL,
double maxDoppler,
const corr_level_t corr_level,
double forgetting_factor,
int32_t channel_offset,
radio/rfsimulator/simulator.c
+13 -11
View File
@@ -341,17 +341,19 @@ static int rfsimu_setchanmod_cmd(char *buff, int debug, telnet_printfunc_t prnt,
if (b->channel_model->model_name==NULL)
continue;
if (b->conn_sock >= 0 && (strcmp(b->channel_model->model_name,modelname)==0)) {
channel_desc_t *newmodel=new_channel_desc_scm(t->tx_num_channels,t->rx_num_channels,
channelmod,
t->sample_rate,
t->tx_bw,
30e-9, // TDL delay-spread parameter
CORR_LEVEL_LOW,
t->chan_forgetfact, // forgetting_factor
t->chan_offset, // maybe used for TA
t->chan_pathloss,
t->noise_power_dB); // path_loss in dB
channel_desc_t *newmodel = new_channel_desc_scm(t->tx_num_channels,
t->rx_num_channels,
channelmod,
t->sample_rate,
0,
t->tx_bw,
30e-9, // TDL delay-spread parameter
0.0,
CORR_LEVEL_LOW,
t->chan_forgetfact, // forgetting_factor
t->chan_offset, // maybe used for TA
t->chan_pathloss,
t->noise_power_dB); // path_loss in dB
set_channeldesc_owner(newmodel, RFSIMU_MODULEID);
set_channeldesc_name(newmodel,modelname);
random_channel(newmodel,false);