maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

multiple SSB generation in pbchsim

Browse Source
This commit is contained in:
Francesco Mani
2019-02-21 13:33:19 +01:00
parent 688830e83e
commit 15f07d2bb1
3 changed files with 34 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SIMULATION/NR_PHY/pbchsim.c
+31 -22
View File
@@ -105,6 +105,7 @@ int main(int argc, char **argv)
int trial,n_trials=1,n_errors=0,n_errors_payload=0;
uint8_t transmission_mode = 1,n_tx=1,n_rx=1;
uint16_t Nid_cell=0;
uint64_t SSB_positions=0x01;
channel_desc_t *gNB2UE;
@@ -280,6 +281,10 @@ int main(int argc, char **argv)
break;
case 'M':
SSB_positions = atoi(optarg);
break;
case 'N':
Nid_cell = atoi(optarg);
break;
@@ -333,6 +338,7 @@ int main(int argc, char **argv)
printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
printf("-o Carrier frequency offset in Hz\n");
printf("-M Multiple SSB positions in burst\n");
printf("-N Nid_cell\n");
printf("-R N_RB_DL\n");
printf("-O oversampling factor (1,2,4,8,16)\n");
@@ -366,32 +372,34 @@ int main(int argc, char **argv)
frame_parms->N_RB_UL = N_RB_DL;
frame_parms->Nid_cell = Nid_cell;
nr_phy_config_request_sim(gNB,N_RB_DL,N_RB_DL,mu,Nid_cell);
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;
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;
switch (mu) {
case 1:
scs = 30000;
if (N_RB_DL == 217) {
fs = 122.88e6;
bw = 80e6;
}
else if (N_RB_DL == 245) {
fs = 122.88e6;
bw = 90e6;
}
else if (N_RB_DL == 273) {
fs = 122.88e6;
bw = 100e6;
}
else if (N_RB_DL == 106) {
fs = 61.44e6;
bw = 40e6;
}
else AssertFatal(1==0,"Unsupported numerology for mu %d, N_RB %d\n",mu, N_RB_DL);
break;
}
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);
// cfo with respect to sub-carrier spacing
eps = cfo/scs;
@@ -476,6 +484,7 @@ int main(int argc, char **argv)
if (input_fd==NULL) {
gNB->pbch_configured = 1;
for (int i=0;i<4;i++) gNB->pbch_pdu[i]=i+1;
nr_common_signal_procedures (gNB,frame,subframe);
LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1);