Payload generation fix

nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface.h

@@ -305,7 +305,7 @@ typedef struct {
 nfapi_tl_t tl;
 
 uint8_t format_indicator; //1 bit
-uint16_t frequency_domain_assignment; //up to 9 bits
+uint16_t frequency_domain_assignment; //up to 16 bits
 uint8_t time_domain_assignment; // 4 bits
 uint8_t frequency_hopping_flag; //1 bit
 

openair1/PHY/NR_TRANSPORT/nr_dci.c

@@ -32,8 +32,8 @@
 
 #include "nr_dci.h"
 
-#define DEBUG_PDCCH_DMRS
-#define DEBUG_DCI
+//#define DEBUG_PDCCH_DMRS
+//#define DEBUG_DCI
 
 extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
 

openair1/PHY/NR_TRANSPORT/nr_dci_tools.c

@@ -42,6 +42,7 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
 {
 	NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
 	uint32_t *dci_pdu = dci_alloc->dci_pdu;
+  memset((void*)dci_pdu,0,4*sizeof(uint32_t));
 	nfapi_nr_dl_config_dci_dl_pdu_rel15_t *pdu_rel15 = &pdu->dci_dl_pdu.dci_dl_pdu_rel15;
   nfapi_nr_dl_config_pdcch_parameters_rel15_t *params_rel15 = &pdu->dci_dl_pdu.pdcch_params_rel15;
 	nfapi_nr_config_request_t *cfg = &gNB->gNB_config;
@@ -58,22 +59,22 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
           // Freq domain assignment
           fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
           for (int i=0; i<fsize; i++)
-            *dci_pdu |= ((pdu_rel15->frequency_domain_assignment>>(fsize-i))&1)<<i;
+            *dci_pdu |= ((pdu_rel15->frequency_domain_assignment>>(fsize-i-1))&1)<<i;
           pos += fsize;
-          // VRB to PRB mapping
-          *dci_pdu |= (pdu_rel15->vrb_to_prb_mapping&1)<<pos;
-          pos++;
           // Time domain assignment
           for (int i=0; i<4; i++)
-            *dci_pdu |= ((pdu_rel15->time_domain_assignment>>(4-i))&1)<<(pos+i);
+            *dci_pdu |= ((pdu_rel15->time_domain_assignment>>(3-i))&1)<<(pos+i);
           pos += 4;
+          // VRB to PRB mapping
+          *dci_pdu |= (pdu_rel15->vrb_to_prb_mapping&1)<<pos;
+          pos++;
           //MCS
           for (int i=0; i<5; i++)
-            *dci_pdu |= ((pdu_rel15->mcs>>(5-i))&1)<<(pos+i);
+            *dci_pdu |= ((pdu_rel15->mcs>>(4-i))&1)<<(pos+i);
           pos += 5;
           // TB scaling
           for (int i=0; i<2; i++)
-            *dci_pdu |= ((pdu_rel15->tb_scaling>>(2-i))&1)<<(pos+i);
+            *dci_pdu |= ((pdu_rel15->tb_scaling>>(1-i))&1)<<(pos+i);
           
           break;
 

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -73,11 +73,13 @@ void nr_schedule_css_dlsch_phytest(module_id_t   module_idP,
     pdu_rel15->frequency_domain_assignment = 5;
     pdu_rel15->time_domain_assignment = 2;
     pdu_rel15->vrb_to_prb_mapping = 0;
+    pdu_rel15->mcs = 12;
     pdu_rel15->tb_scaling = 1;
-    LOG_I(MAC, "[gNB scheduler phytest] DCI type 1 payload: freq_alloc %d, time_alloc %d, vrb to prb %d, tb_scaling %d\n",
+    LOG_I(MAC, "[gNB scheduler phytest] DCI type 1 payload: freq_alloc %d, time_alloc %d, vrb to prb %d, mcs %d tb_scaling %d\n",
                 pdu_rel15->frequency_domain_assignment,
                 pdu_rel15->time_domain_assignment,
                 pdu_rel15->vrb_to_prb_mapping,
+                pdu_rel15->mcs,
                 pdu_rel15->tb_scaling);
 
     params_rel15->rnti = 0x03;