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

Implementation of SS block pattern choice

Browse Source
This commit is contained in:
Francesco Mani
2019-02-14 16:29:35 +01:00
parent db1eb5d921
commit 5c2f57369d
2 changed files with 17 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/INIT/nr_parms.c
+15 -3
View File
@@ -47,20 +47,29 @@ int nr_init_frame_parms0(NR_DL_FRAME_PARMS *fp,
fp->Ncp = Ncp;
fp->N_RB_DL = N_RB_DL;
fp->L_ssb = 255; // TODO get the number of SSB value from higher layers (and config file finally)
fp->ssb_type = nr_ssb_type_B; // TODO get the type from higher layers (and config file finally)
switch(mu) {
case NR_MU_0: //15kHz scs
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_0];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_0];
fp->ssb_type = nr_ssb_type_A;
break;
case NR_MU_1: //30kHz scs
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_1];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_1];
// selection of SS block pattern according to TS 38101-1 Table 5.4.3.3-1 for SCS 30kHz
if (fp->eutra_band == 5 || fp->eutra_band == 66)
fp->ssb_type = nr_ssb_type_B;
else{
if (fp->eutra_band == 41 || ( fp->eutra_band > 76 && fp->eutra_band < 80) )
fp->ssb_type = nr_ssb_type_C;
else
AssertFatal(1==0,"NR Operating Band n%d not available for SS block SCS with mu=%d\n", fp->eutra_band, mu);
}
switch(N_RB_DL){
case 11:
case 24:
@@ -147,11 +156,13 @@ int nr_init_frame_parms0(NR_DL_FRAME_PARMS *fp,
case NR_MU_3:
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_3];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_3];
fp->ssb_type = nr_ssb_type_D;
break;
case NR_MU_4:
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_4];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_4];
fp->ssb_type = nr_ssb_type_E;
break;
default:
@@ -184,7 +195,8 @@ int nr_init_frame_parms(nfapi_nr_config_request_t* config,
NR_DL_FRAME_PARMS *fp)
{
fp->eutra_band = config->nfapi_config.rf_bands.rf_band[0];
fp->frame_type = !(config->subframe_config.duplex_mode.value);
return nr_init_frame_parms0(fp,
config->subframe_config.numerology_index_mu.value,
config->subframe_config.dl_cyclic_prefix_type.value,
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf
+2 -2
View File
@@ -26,10 +26,10 @@ gNBs =
node_function = "3GPP_gNODEB";
node_timing = "synch_to_ext_device";
node_synch_ref = 0;
frame_type = "FDD";
frame_type = "TDD";
DL_prefix_type = "NORMAL";
UL_prefix_type = "NORMAL";
eutra_band = 22;
eutra_band = 78;
downlink_frequency = 3510000000L;
uplink_frequency_offset = -120000000;
Nid_cell = 0;