SSB periodicity at gNB from config file

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -91,7 +91,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
   uint8_t *pbch_pdu=&gNB->pbch_pdu[0];
   uint8_t ssb_index, n_hf;
   int ssb_start_symbol, rel_slot;
-  printf("Frame %d\n",frame);
+
   n_hf = cfg->sch_config.half_frame_index.value;
 
   // if SSB periodicity is 5ms, they are transmitted in both half frames

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -187,6 +187,7 @@ void config_common(int Mod_idP,
 		   int cellid,
                    int nr_bandP,
                    uint64_t ssb_pattern,
+		   uint16_t ssb_periodicity,
 		   uint64_t dl_CarrierFreqP,
                    uint32_t dl_BandwidthP
                   ){
@@ -242,6 +243,7 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
                            int p_gNB,
                            int nr_bandP,
 			   uint64_t ssb_pattern,
+                           uint16_t ssb_enum_periodicity,
                            uint64_t dl_CarrierFreqP,
                            int dl_BandwidthP,
                            NR_BCCH_BCH_Message_t *mib,
@@ -249,6 +251,30 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
                            ){
 
 
+  uint16_t ssb_periodicity;
+
+  switch (ssb_enum_periodicity) {
+    case 0:
+      ssb_periodicity = 5;
+      break;
+    case 1:
+      ssb_periodicity = 10;
+      break;
+    case 2:
+      ssb_periodicity = 20;
+      break;
+    case 3:
+      ssb_periodicity = 40;
+      break;
+    case 4:
+      ssb_periodicity = 80;
+      break;
+    case 5:
+      ssb_periodicity = 160;
+      break;
+
+  }      
+
   if( mib != NULL ){
     config_nr_mib(Mod_idP, 
                CC_idP,
@@ -273,6 +299,7 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
 		  cellid,
                   nr_bandP,
 		  ssb_pattern,
+                  ssb_periodicity,
                   dl_CarrierFreqP,
                   dl_BandwidthP
                   );  

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -38,10 +38,11 @@ void mac_top_init_gNB(void);
 
 int rrc_mac_config_req_gNB(module_id_t Mod_idP, 
                            int CC_id,
-						   int cellid,
+			   int cellid,
                            int p_gNB,
                            int nr_bandP,
                            uint64_t ssb_pattern,
+                           uint16_t ssb_periodicity,
                            uint64_t dl_CarrierFreqP,
                            int dl_BandwidthP,
                            NR_BCCH_BCH_Message_t *mib,

openair2/RRC/NR/rrc_gNB.c

@@ -260,13 +260,13 @@ static void init_NR_SI(const protocol_ctxt_t* const ctxt_pP,
                              );
   
   LOG_I(NR_RRC,"Done init_NR_SI\n");
-  
 
   rrc_mac_config_req_gNB(ctxt_pP->module_id,
                          CC_id,
 			 RC.nrrrc[ctxt_pP->module_id]->carrier[CC_id].physCellId,
                          RC.nrrrc[ctxt_pP->module_id]->carrier[CC_id].p_gNB,
                          configuration->nr_band[CC_id],
+			 configuration->ServingCellConfigCommon_ssb_periodicityServingCell[CC_id],
 			 configuration->ServingCellConfigCommon_ssb_PositionsInBurst_PR[CC_id],
                          RC.nrrrc[ctxt_pP->module_id]->carrier[CC_id].dl_CarrierFreq,
                          configuration->N_RB_DL[CC_id],

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band22.tm1.106PRB.adrv9371zc706.conf

@@ -71,7 +71,7 @@ gNBs =
       UL_timeAlignmentTimerCommon                                   = "infinity";
       ServingCellConfigCommon_n_TimingAdvanceOffset                 = "n0"
       ServingCellConfigCommon_ssb_PositionsInBurst_PR               = 0x01;
-      ServingCellConfigCommon_ssb_periodicityServingCell            = 10;
+      ServingCellConfigCommon_ssb_periodicityServingCell            = 20;
       ServingCellConfigCommon_dmrs_TypeA_Position                   = 2;
       NIA_SubcarrierSpacing                                         = "kHz15"; 
       ServingCellConfigCommon_ss_PBCH_BlockPower                    = -60;

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf

@@ -71,7 +71,7 @@ gNBs =
       UL_timeAlignmentTimerCommon                                   = "infinity";
       ServingCellConfigCommon_n_TimingAdvanceOffset                 = "n0"
       ServingCellConfigCommon_ssb_PositionsInBurst_PR               = 0x01;
-      ServingCellConfigCommon_ssb_periodicityServingCell            = 10;
+      ServingCellConfigCommon_ssb_periodicityServingCell            = 20;
       ServingCellConfigCommon_dmrs_TypeA_Position                   = 2;
       NIA_SubcarrierSpacing                                         = "kHz15"; 
       ServingCellConfigCommon_ss_PBCH_BlockPower                    = -60;

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf

@@ -71,7 +71,7 @@ gNBs =
       UL_timeAlignmentTimerCommon                                   = "infinity";
       ServingCellConfigCommon_n_TimingAdvanceOffset                 = "n0"
       ServingCellConfigCommon_ssb_PositionsInBurst_PR               = 0x01;
-      ServingCellConfigCommon_ssb_periodicityServingCell            = 10;
+      ServingCellConfigCommon_ssb_periodicityServingCell            = 20;
       ServingCellConfigCommon_dmrs_TypeA_Position                   = 2;
       NIA_SubcarrierSpacing                                         = "kHz15"; 
       ServingCellConfigCommon_ss_PBCH_BlockPower                    = -60;

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf

@@ -71,7 +71,7 @@ gNBs =
       UL_timeAlignmentTimerCommon                                   = "infinity";
       ServingCellConfigCommon_n_TimingAdvanceOffset                 = "n0"
       ServingCellConfigCommon_ssb_PositionsInBurst_PR               = 0x01;
-      ServingCellConfigCommon_ssb_periodicityServingCell            = 10;
+      ServingCellConfigCommon_ssb_periodicityServingCell            = 20;
       ServingCellConfigCommon_dmrs_TypeA_Position                   = 2;
       NIA_SubcarrierSpacing                                         = "kHz15"; 
       ServingCellConfigCommon_ss_PBCH_BlockPower                    = -60;