nr ue : add tdd slot config

openair1/PHY/NR_UE_TRANSPORT/dci_tools_nr.c

@@ -39,6 +39,7 @@
 #endif
 #include "assertions.h"
 
+#include "SCHED_NR_UE/harq_nr.h"
 
 //#define DEBUG_HARQ
 
@@ -4180,6 +4181,22 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
     #endif
   }
 
+  /* store rnti type */
+  for (int k=0; k < TOTAL_NBR_SCRAMBLED_VALUES; k++) {
+    if (rnti == crc_scrambled_values[k]) {
+      if ((dci_format == format1_0) || (dci_format == format1_1)) {
+        pdlsch0->rnti_type = k;
+      }
+      else  {
+        ulsch0->rnti_type = k;
+      }
+    }
+  }
+
+  if (j == TOTAL_NBR_SCRAMBLED_VALUES) {
+    LOG_E(PHY, "Fatal error in DCI due to unknown RNTI type at line %d in function %s of file %s \n", __LINE__ , __func__, __FILE__);
+  }
+
   if ((dci_format == format1_0) || (dci_format == format1_1)) {
     if (rnti==crc_scrambled_values[_SI_RNTI_]) {
       ue->dlsch_SI[eNB_id]->active = 1;
@@ -4335,9 +4352,6 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
             start_RB = n_RB_DLBWP - start_RB - 1;
           }
           pdlsch0_harq->nb_rb = l_RB;
-          pdlsch0->current_harq_pid = nr_pdci_info_extracted->harq_process_number;
-          pdlsch0->active           = 1;
-          pdlsch0->rnti             = rnti;
         }
         #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
           printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->freq_dom_resource_assignment_DL=%x, RIV = %d\n",nr_pdci_info_extracted->freq_dom_resource_assignment_DL,nr_pdci_info_extracted->freq_dom_resource_assignment_DL);
@@ -4534,30 +4548,7 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
 
       case NDI: // 25 NDI: (field defined for format0_0,format0_1,format1_0,-,-,-,-,-)
         nr_pdci_info_extracted->ndi                              = (uint8_t)(((((*(uint64_t *)dci_pdu)  << (left_shift - dci_fields_sizes[dci_field][dci_format-15]))) & pdu_bitmap) >> (dci_length - dci_fields_sizes[dci_field][dci_format-15]));
-        if (dci_format == format0_0 || dci_format == format0_1) {
-          ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->DCINdi = nr_pdci_info_extracted->ndi;
-          if (ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->first_tx==1) {
-            ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->first_tx=0;
-            ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->DCINdi= nr_pdci_info_extracted->ndi;
-            ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->round = 0;
-          } else {
-            if (ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->DCINdi != nr_pdci_info_extracted->ndi) { // new SDU opportunity
-              ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->DCINdi= nr_pdci_info_extracted->ndi;
-              ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->round = 0;
-            }
-          }
-        } else {
-          if (rnti == crc_scrambled_values[_TC_RNTI_]) { //fix for standalone Contention Resolution Id
-            pdlsch0_harq->DCINdi = (uint8_t)-1;
-          } else {
-            if ((prev_ndi != nr_pdci_info_extracted->ndi) || (pdlsch0_harq->first_tx==1)) {
-              pdlsch0_harq->round    = 0;
-              pdlsch0_harq->first_tx = 0;
-              pdlsch0_harq->status   = ACTIVE;
-            }
-            pdlsch0_harq->DCINdi = nr_pdci_info_extracted->ndi;
-          }
-        }
+
         #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
           printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->ndi=%x\n",nr_pdci_info_extracted->ndi);
         #endif
@@ -4565,29 +4556,12 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
 
       case RV: // 26 RV: (field defined for format0_0,format0_1,format1_0,-,-,-,-,-)
         nr_pdci_info_extracted->rv                               = (uint8_t)(((((*(uint64_t *)dci_pdu)  << (left_shift - dci_fields_sizes[dci_field][dci_format-15]))) & pdu_bitmap) >> (dci_length - dci_fields_sizes[dci_field][dci_format-15]));
+
         if (dci_format == format0_0 || dci_format == format0_1)
           ulsch0->harq_processes[nr_pdci_info_extracted->harq_process_number]->rvidx = nr_pdci_info_extracted->rv;
         else
           pdlsch0_harq->rvidx = nr_pdci_info_extracted->rv;
-        if ((prev_ndi == nr_pdci_info_extracted->ndi) && (pdlsch0_harq->rvidx != 0)) { // NDI has not been toggled but rv was increased by eNB: retransmission
-          if (pdlsch0_harq->status == SCH_IDLE) {
-                        // packet was actually decoded in previous transmission (ACK was missed by eNB)
-                        // however, the round is not a good check as it might have been decoded in a retransmission prior to this one.
-                        // skip pdsch decoding and report ack
-            
-            pdlsch0->harq_processes[pdlsch0->current_harq_pid]->harq_ack.ack = 1;
-            pdlsch0->harq_processes[pdlsch0->current_harq_pid]->harq_ack.send_harq_status;
-#if 0            
-            pdlsch0->active       = 0;
-            pdlsch0->harq_ack[nr_tti_rx].ack = 1;
-            pdlsch0->harq_ack[nr_tti_rx].harq_id = nr_pdci_info_extracted->harq_process_number;
-            pdlsch0->harq_ack[nr_tti_rx].send_harq_status = 1;
-#endif            
-          } else { // normal retransmission, nothing special to do
-          }
-        } else {
-          pdlsch0_harq->status   = ACTIVE;
-        }
+
         #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
          printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->rv=%x\n",nr_pdci_info_extracted->rv);
         #endif
@@ -4595,7 +4569,7 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
 
       case HARQ_PROCESS_NUMBER: // 27 HARQ_PROCESS_NUMBER: (field defined for format0_0,format0_1,format1_0,format1_1,-,-,-,-)
         nr_pdci_info_extracted->harq_process_number              = (uint8_t)(((((*(uint64_t *)dci_pdu)  << (left_shift - dci_fields_sizes[dci_field][dci_format-15]))) & pdu_bitmap) >> (dci_length - dci_fields_sizes[dci_field][dci_format-15]));
-        pdlsch0->current_harq_pid = nr_pdci_info_extracted->harq_process_number;
+
         #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
           printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->harq_process_number=%x\n",nr_pdci_info_extracted->harq_process_number);
         #endif
@@ -4607,8 +4581,7 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
                // 2 if one serving cell is configured in the DL and the higher layer parameter HARQ-ACK-codebook=dynamic, where the 2 bits are the counter DAI
                // 0 otherwise
         nr_pdci_info_extracted->dai                              = (uint8_t)(((((*(uint64_t *)dci_pdu)  << (left_shift - dci_fields_sizes[dci_field][dci_format-15]))) & pdu_bitmap) >> (dci_length - dci_fields_sizes[dci_field][dci_format-15]));
-        pdlsch0->harq_processes[pdlsch0->current_harq_pid]->harq_ack.vDAI_DL = nr_pdci_info_extracted->dai+1;
-        //pdlsch0->harq_ack[nr_tti_rx].vDAI_DL = nr_pdci_info_extracted->dai+1;
+
         #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
           printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->dai=%x\n",nr_pdci_info_extracted->dai);
         #endif
@@ -4811,11 +4784,13 @@ int nr_extract_dci_info(PHY_VARS_NR_UE *ue,
         printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> nr_pdci_info_extracted->reserved_nr_dci=%x\n",nr_pdci_info_extracted->reserved_nr_dci);
 #endif
         break;
-
       }
     }
   }
 
+  /* process harq ->  set dlsch[0]->harq_processes[dlsch[0]->current_harq_pid].rx_status give NEW TRANSMISSION or RETRANSMISSION */
+  get_dci_info_for_harq(ue, nr_pdci_info_extracted, pdlsch0, ulsch0, nr_tti_rx, k_offset);
+
   #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
     printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) -> Ending function nr_extract_dci_info()\n");
   #endif

openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h

@@ -33,6 +33,7 @@
 #define __NR_TRANSPORT_UE__H__
 #include <limits.h>
 #include "PHY/impl_defs_top.h"
+
 //#include "PHY/defs_nr_UE.h"
 //#include "../LTE_TRANSPORT/dci.h"
 //#include "../LTE_TRANSPORT/mdci.h"
@@ -50,11 +51,18 @@
  * @{
  */
 
+typedef enum {
+ NEW_TRANSMISSION_HARQ,
+ RETRANSMISSION_HARQ
+} harq_result_t;
+
 //#if defined(UPGRADE_RAT_NR)
 #if 1
 typedef struct {
   /// HARQ process id
   uint8_t harq_id;
+  /// HARQ rx status
+  harq_result_t rx_status;
   /// ACK bits (after decoding) 0:NACK / 1:ACK / 2:DTX
   uint8_t ack;
   /// send status (for PUCCH)
@@ -81,6 +89,8 @@ typedef struct {
   uint8_t first_tx;
   /// Last Ndi received for this process on DCI (used for C-RNTI only)
   uint8_t DCINdi;
+  /// HARQ tx status
+  harq_result_t tx_status;
   /// Flag indicating that this ULSCH has a new packet (start of new round)
   //  uint8_t Ndi;
   /// Status Flag indicating for this ULSCH (idle,active,disabled)
@@ -145,7 +155,6 @@ typedef struct {
   //  int calibration_flag;
   /// Number of soft channel bits
   uint32_t G;
-
   // decode phich
   uint8_t decode_phich;
 } NR_UL_UE_HARQ_t;
@@ -159,7 +168,7 @@ typedef struct {
 #if 1
   // Pointers to HARQ processes for the ULSCH
   NR_UL_UE_HARQ_t *harq_processes[NR_MAX_ULSCH_HARQ_PROCESSES];
-  int harq_process_id[NR_MAX_SLOTS_PAR_FRAME];
+  int harq_process_id[NR_MAX_SLOTS_PER_FRAME];
   // UL number of harq processes
   uint8_t number_harq_processes_for_pusch;
 #endif 
@@ -211,6 +220,8 @@ typedef struct {
   uint8_t cooperation_flag;
   /// RNTI attributed to this ULSCH
   uint16_t rnti;
+  /// RNTI type
+  uint8_t rnti_type;
   /// f_PUSCH parameter for PUSCH power control
   int16_t f_pusch;
   /// Po_PUSCH - target output power for PUSCH
@@ -311,6 +322,8 @@ typedef struct {
 typedef struct {
   /// RNTI
   uint16_t rnti;
+  /// RNTI type
+  uint8_t rnti_type;
   /// Active flag for DLSCH demodulation
   uint8_t active;
   /// Transmission mode

openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c

@@ -453,7 +453,9 @@ void nr_generate_pucch0(int32_t **txdataF,
     PUCCH_GroupHopping=0;
     n_id=10;
     PUCCH_Frequency_Hopping = 0;
+#ifdef DEBUG_NR_PUCCH_TX
     printf("\t [nr_generate_pucch0] sequence generation: variable initialization for test\n");
+#endif
   /////////////////////////////////////////////////////// ending variables initialization for test
 
   // x_n contains the sequence r_u_v_alpha_delta(n)
@@ -862,7 +864,7 @@ inline void nr_pucch2_3_4_scrambling(uint16_t M_bit,uint16_t rnti,uint16_t n_id,
   for (i=0;i<M_bit;i++) {
     c = (uint8_t)((s>>i)&1);
     btilde[i] = (((B>>i)&1) ^ c);
-    #ifndef DEBUG_NR_PUCCH_TX
+    #ifdef DEBUG_NR_PUCCH_TX
       printf("\t\t\t btilde[%d]=%lx from scrambled bit %d\n",i,btilde[i],((B>>i)&1));
     #endif
   }
@@ -1303,7 +1305,7 @@ void nr_generate_pucch3_4(int32_t **txdataF,
         z_im[l*(12*nrofPRB)+k] = z_im[l*(12*nrofPRB)+k]
                                + (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
                                                                                            - (((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
-        #ifndef DEBUG_NR_PUCCH_TX
+        #ifdef DEBUG_NR_PUCCH_TX
           printf("\t [nr_generate_pucch3_4] transform precoding for formats 3 and 4: (l,k,m)=(%d,%d,%d)\tz(%d)   = \t(%d, %d)\n",
                   l,k,m,l*(12*nrofPRB)+k,z_re[l*(12*nrofPRB)+k],z_im[l*(12*nrofPRB)+k]);
         #endif

openair1/PHY/defs_nr_UE.h

@@ -160,27 +160,6 @@
 
 #include "NR_IF_Module.h"
 
-//#if defined(UPGRADE_RAT_NR)
-#if 1
-                        /* see 38.321  Table 7.1-2  RNTI usage */
-typedef enum {          /* Type for Radio Network Temporary Identifier */
-  C_RNTI_NR = 0,        /* Cell RNTI */
-  Temporary_C_RNTI_NR,  /* Temporary C-RNTI */
-  CS_RNTI_NR,           /* Configured Scheduling RNTI */
-  P_RNTI_NR,            /* Paging RNTI */
-  SI_RNTI_NR,           /* System information RNTI */
-  RA_RNTI_NR,           /* Random Access RNTI */
-  TPC_CS_RNTI_NR,       /* configured scheduling uplink power control */
-  TPC_PUCCH_RNTI_NR,    /* PUCCH power control */
-  TPC_PUSCH_RNTI_NR,    /* PUSCH power control */
-  TPC_SRS_RNTI_NR,      /* SRS trigger and power control */
-  INT_RNTI_NR,          /* Indication pre-emption in DL */
-  SFI_RNTI_NR,          /* Slot Format Indication on the given cell */
-  SP_CSI_RNTI_NR        /* Semipersistent CSI reporting on PUSCH */
-} nr_rnti_type_t;
-
-#endif
-
 /// Context data structure for RX/TX portion of subframe processing
 typedef struct {
   /// index of the current UE RX/TX proc
@@ -700,24 +679,21 @@ typedef enum {
 #define _TPC_PUSCH_RNTI_  10
 #define _TPC_PUCCH_RNTI_  11
 #define _TPC_SRS_RNTI_    12
-  typedef enum {
-      _c_rnti         = _C_RNTI_,
-      _cs_rnti        = _CS_RNTI_,
-      _new_rnti       = _NEW_RNTI_,
-      _tc_rnti        = _TC_RNTI_,
-      _p_rnti         = _P_RNTI_,
-      _si_rnti        = _SI_RNTI_,
-      _ra_rnti        = _RA_RNTI_,
-      _sp_csi_rnti    = _SP_CSI_RNTI_,
-      _sfi_rnti       = _SFI_RNTI_,
-      _int_rnti       = _INT_RNTI_,
-      _tpc_pusch_rnti = _TPC_PUSCH_RNTI_,
-      _tpc_pucch_rnti = _TPC_PUCCH_RNTI_,
+  typedef enum {                          /* see 38.321  Table 7.1-2  RNTI usage */
+      _c_rnti         = _C_RNTI_,         /* Cell RNTI */
+      _cs_rnti        = _CS_RNTI_,        /* Configured Scheduling RNTI */
+      _new_rnti       = _NEW_RNTI_,       /* ? */
+      _tc_rnti        = _TC_RNTI_,        /* Temporary C-RNTI */
+      _p_rnti         = _P_RNTI_,         /* Paging RNTI */
+      _si_rnti        = _SI_RNTI_,        /* System information RNTI */
+      _ra_rnti        = _RA_RNTI_,        /* Random Access RNTI */
+      _sp_csi_rnti    = _SP_CSI_RNTI_,    /* Semipersistent CSI reporting on PUSCH */
+      _sfi_rnti       = _SFI_RNTI_,       /* Slot Format Indication on the given cell */
+      _int_rnti       = _INT_RNTI_,       /* Indication pre-emption in DL */
+      _tpc_pusch_rnti = _TPC_PUSCH_RNTI_, /* PUSCH power control */
+      _tpc_pucch_rnti = _TPC_PUCCH_RNTI_, /* PUCCH power control */
       _tpc_srs_rnti   = _TPC_SRS_RNTI_} crc_scrambled_t;
 
-
-
-
 typedef enum {bundle_n2=2,bundle_n3=3,bundle_n6=6} NR_UE_CORESET_REG_bundlesize_t;
 
 typedef enum {interleave_n2=2,interleave_n3=3,interleave_n6=6} NR_UE_CORESET_interleaversize_t;
@@ -1020,9 +996,9 @@ typedef struct {
   /// \brief Total gains with bypassed RF gain stage (ExpressMIMO2/Lime)
   uint32_t rx_gain_byp[4];
   /// \brief Current transmit power
-  int16_t tx_power_dBm[MAX_NR_OF_SLOTS];
+  int16_t tx_power_dBm[NR_MAX_SLOTS_PER_FRAME];
   /// \brief Total number of REs in current transmission
-  int tx_total_RE[MAX_NR_OF_SLOTS];
+  int tx_total_RE[NR_MAX_SLOTS_PER_FRAME];
   /// \brief Maximum transmit power
   int8_t tx_power_max_dBm;
   /// \brief Number of eNB seen by UE

openair1/PHY/defs_nr_common.h

@@ -33,6 +33,7 @@
 #ifndef __PHY_DEFS_NR_COMMON__H__
 #define __PHY_DEFS_NR_COMMON__H__
 
+#include "PHY/impl_defs_top.h"
 #include "defs_common.h"
 #include "nfapi_nr_interface.h"
 #include "impl_defs_nr.h"
@@ -176,7 +177,7 @@ typedef struct NR_DL_FRAME_PARMS {
   TDD_UL_DL_SlotConfig_t    *p_TDD_UL_DL_ConfigDedicated;
 
   /// TDD configuration
-  uint16_t tdd_uplink_nr[MAX_NR_OF_SLOTS]; /* this is a bitmap of symbol of each slot given for 2 frames */
+  uint16_t tdd_uplink_nr[2*NR_MAX_SLOTS_PER_FRAME]; /* this is a bitmap of symbol of each slot given for 2 frames */
 
    //SSB related params
   /// Start in Subcarrier index of the SSB block

openair1/PHY/impl_defs_nr.h

@@ -114,8 +114,6 @@ SystemInformationBlockType1_nr_t;
 *
 ************************************************************************/
 
-#define MAX_NR_OF_SLOTS                    (320)    /* maximum number of slots */
-
 #define NR_TDD_DOWNLINK_SLOT               (0x0000)
 #define NR_TDD_UPLINK_SLOT                 (0x3FFF) /* uplink bitmap for each symbol, there are 14 symbols per slots */
 #define NR_TDD_SET_ALL_SYMBOLS             (0x3FFF)
@@ -544,7 +542,7 @@ typedef struct {
 
 const initial_pucch_resource_t initial_pucch_resource[NB_INITIAL_PUCCH_RESOURCE]; /* TS 36.213 Table 9.2.1-1: PUCCH resource sets before dedicated PUCCH resource configuration */
 
-/* structure with all possible field for pucch format from 0 to 4  */
+/* structure with all possible fields for pucch format from 0 to 4  */
 typedef struct {
   pucch_format_nr_t      format;              /* format   0    1    2    3    4    */
   uint8_t                initialCyclicShift;  /*          x    x                   */

openair1/PHY/impl_defs_top.h

@@ -261,7 +261,7 @@
 
 #define NB_NUMEROLOGIES_NR                       (5)
 #define TDD_CONFIG_NB_FRAMES                     (2)
-#define NR_MAX_SLOTS_PAR_FRAME                   (160)                    /* number of slots per frame */
+#define NR_MAX_SLOTS_PER_FRAME                   (160)                    /* number of slots per frame */
 #define NR_UE_CAPABILITY_SLOT_RX_TO_TX           (4)                      /* FFS_NR_TODO it defines ue capability which is the number of slots */
                                                                           /* - between reception of pdsch and tarnsmission of its acknowlegment */
                                                                           /* - between reception of un uplink grant and its related transmission */

openair1/SCHED_NR_UE/harq_nr.c

@@ -89,9 +89,53 @@
 
 ************************************************************************/
 
+#include "PHY/defs_nr_UE.h"
 #include "PHY/NR_UE_TRANSPORT/nr_transport_ue.h"
 #include "SCHED_NR_UE/harq_nr.h"
 
+/********************* define **************************************/
+
+#define DL_DCI              (1)
+#define UL_DCI              (0)
+
+/*******************************************************************
+*
+* NAME :         get_dci_info_for_harq
+*
+* PARAMETERS :   pointer to ue context
+*                id of current gNB
+*                number of uplink processes
+*                maximum number of uplink retransmissions
+* RETURN :       none
+*
+* DESCRIPTION :  update HARQ entity with information from DCI
+*                TS 38.212 7.3.1.2 DCI formats for scheduling PDSCH
+*
+*********************************************************************/
+
+void get_dci_info_for_harq(PHY_VARS_NR_UE *ue, NR_DCI_INFO_EXTRACTED_t *nr_dci_info_extracted,
+		                   NR_UE_DLSCH_t **dlsch, NR_UE_ULSCH_t *ulsch, uint8_t nr_tti_rx, uint8_t tx_offset)
+{
+  if (nr_dci_info_extracted->identifier_dci_formats == DL_DCI) {
+
+	dlsch[0]->current_harq_pid = nr_dci_info_extracted->harq_process_number;
+
+	NR_DL_UE_HARQ_t *dl_harq = dlsch[0]->harq_processes[dlsch[0]->current_harq_pid];
+
+    dl_harq->harq_ack.vDAI_DL = nr_dci_info_extracted->dai+1;
+    dl_harq->harq_ack.pucch_resource_indicator = nr_dci_info_extracted->pucch_resource_ind;
+    dl_harq->harq_ack.slot_for_feedback_ack = (nr_tti_rx + nr_dci_info_extracted->pdsch_to_harq_feedback_time_ind)%ue->frame_parms.ttis_per_subframe;
+    dl_harq->harq_ack.harq_id = nr_dci_info_extracted->harq_process_number;
+    dl_harq->harq_ack.rx_status = downlink_harq_process(dl_harq, dlsch[0]->current_harq_pid, nr_dci_info_extracted->ndi, dlsch[0]->rnti_type);
+  }
+  else if (nr_dci_info_extracted->identifier_dci_formats == UL_DCI) {
+
+	/* store harq id for which pusch should be transmitted at rx_slot + tx_offset */
+	set_tx_harq_id(ulsch, nr_dci_info_extracted->harq_process_number, (nr_tti_rx + tx_offset)%ue->frame_parms.ttis_per_subframe);
+    ulsch->harq_processes[nr_dci_info_extracted->harq_process_number]->tx_status = uplink_harq_process(ulsch, nr_dci_info_extracted->harq_process_number, nr_dci_info_extracted->ndi, ulsch->rnti_type);
+  }
+}
+
 /*******************************************************************
 *
 * NAME :         config_uplink_harq_process
@@ -139,6 +183,10 @@ void config_uplink_harq_process(PHY_VARS_NR_UE *ue, int gNB_id, uint8_t number_h
     ulsch->harq_processes[harq_pid]->first_tx = 1;
     ulsch->harq_processes[harq_pid]->round  = 0;
   }
+
+  for (int slot_tx = 0; slot_tx < NR_MAX_SLOTS_PER_FRAME; slot_tx++) {
+    ue->ulsch[gNB_id]->harq_process_id[slot_tx] = NR_MAX_HARQ_PROCESSES;
+  }
 }
 
 /*******************************************************************
@@ -184,9 +232,9 @@ void release_uplink_harq_process(PHY_VARS_NR_UE *ue, int gNB_id)
 *
 *********************************************************************/
 
-void set_tx_harq_id(PHY_VARS_NR_UE *ue, int gNB_id, int harq_pid, int slot_tx)
+void set_tx_harq_id(NR_UE_ULSCH_t *ulsch, int harq_pid, int slot_tx)
 {
-  ue->ulsch[gNB_id]->harq_process_id[slot_tx] = harq_pid;
+  ulsch->harq_process_id[slot_tx] = harq_pid;
 }
 
 /*******************************************************************
@@ -199,30 +247,14 @@ void set_tx_harq_id(PHY_VARS_NR_UE *ue, int gNB_id, int harq_pid, int slot_tx)
 *
 * RETURN :       harq process identifier
 *
-* DESCRIPTION :  return tx harq process identifier for given transmission slot
+* DESCRIPTION :  return tx harq process identifier for given slot transmission
 *
 *********************************************************************/
 
-int get_tx_harq_id(PHY_VARS_NR_UE *ue, int gNB_id, int slot_tx)
+int get_tx_harq_id(NR_UE_ULSCH_t *ulsch, int slot_tx)
 {
-  return (ue->ulsch[gNB_id]->harq_process_id[slot_tx]);
-}
 
-/*******************************************************************
-*
-* NAME :         get_dci_slot_rx_to_tx
-*
-* PARAMETERS :   dci index
-*
-* RETURN :       number of slots
-*
-* DESCRIPTION :  extract from DCI number of slots between current reception and its related transmission
-*
-*********************************************************************/
-
-int get_dci_slot_rx_to_tx(int dci_index)
-{
-  return (4);
+  return (ulsch->harq_process_id[slot_tx]);
 }
 
 /*******************************************************************
@@ -244,13 +276,17 @@ int get_dci_slot_rx_to_tx(int dci_index)
 *