more debugging for RA procedures for eMTC

openair1/PHY/LTE_TRANSPORT/edci.c

@@ -290,7 +290,7 @@ void
 generate_mdci_top (PHY_VARS_eNB * eNB, int frame, int subframe, int16_t amp, int32_t ** txdataF)
 {
 
-  LTE_eNB_MPDCCH *mpdcch= &eNB->mpdcch_vars[subframe&2];
+  LTE_eNB_MPDCCH *mpdcch= &eNB->mpdcch_vars[subframe&1];
   mDCI_ALLOC_t *mdci;
   int coded_bits;
   LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;

openair1/SCHED/fapi_l1.c

@@ -614,7 +614,9 @@ void schedule_response(Sched_Rsp_t *Sched_INFO)
   eNB->pdcch_vars[subframe&1].num_pdcch_symbols = DL_req->dl_config_request_body.number_pdcch_ofdm_symbols;
   eNB->pdcch_vars[subframe&1].num_dci           = 0;
   eNB->phich_vars[subframe&1].num_hi            = 0;
-
+#ifdef Rel14
+  eNB->mpdcch_vars[subframe&1].num_dci           = 0;
+#endif
 
   LOG_I(PHY,"NFAPI: Frame %d, Subframe %d (ul_subframe %d): received %d dl_pdu, %d tx_req, %d hi_dci0_config_req, %d UL_config \n",
         frame,subframe,ul_subframe,number_dl_pdu,TX_req->tx_request_body.number_of_pdus,number_hi_dci0_pdu,number_ul_pdu);

openair2/LAYER2/MAC/defs.h

@@ -917,6 +917,7 @@ typedef struct {
 #ifdef Rel14
   uint8_t rach_resource_type;
   uint8_t msg2_mpdcch_repetition_cnt;
+  uint8_t msg2_mpdcch_done;
   uint8_t msg4_mpdcch_repetition_cnt;
   uint8_t msg2_narrowband;
   uint8_t msg34_narrowband;

openair2/LAYER2/MAC/eNB_scheduler_RA.c

@@ -251,6 +251,7 @@ generate_Msg2 (module_id_t module_idP, int CC_idP, frame_t frameP, sub_frame_t s
     first_rb = narrowband_to_first_rb (&cc[CC_idP], RA_template->msg2_narrowband);
 
     if ((RA_template->msg2_mpdcch_repetition_cnt == 0) && (mpdcch_sf_condition (eNB, CC_idP, frameP, subframeP, rmax, TYPE2, -1) > 0)) {
+      RA_template->msg2_mpdcch_done = 0;
       // MPDCCH configuration for RAR
       LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2 for CE Level %d, Programming MPDCCH %d repetitions\n", module_idP, frameP, subframeP, RA_template->rach_resource_type-1,reps);
 
@@ -308,7 +309,9 @@ generate_Msg2 (module_id_t module_idP, int CC_idP, frame_t frameP, sub_frame_t s
     if (RA_template->msg2_mpdcch_repetition_cnt > 0) {  // we're in a stream of repetitions
 
 
-      if (RA_template->msg2_mpdcch_repetition_cnt == reps) {    // this is the last mpdcch repetition
+      if ((RA_template->msg2_mpdcch_repetition_cnt == reps)&&
+	  (RA_template->msg2_mpdcch_done == 0)){    // this is the last mpdcch repetition
+	RA_template->msg2_mpdcch_done = 1;
         if (cc[CC_idP].tdd_Config == NULL) {    // FDD case
           // wait 2 subframes for PDSCH transmission
           if (subframeP > 7)
@@ -329,7 +332,7 @@ generate_Msg2 (module_id_t module_idP, int CC_idP, frame_t frameP, sub_frame_t s
 
       if ((RA_template->Msg2_frame == frameP) && (RA_template->Msg2_subframe == subframeP)) {
         // Program PDSCH
-        LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming PDSCH %d\n", module_idP, frameP, subframeP);
+        LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming PDSCH\n", module_idP, frameP, subframeP);
         RA_template->generate_rar = 0;
 
         dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
@@ -373,6 +376,7 @@ generate_Msg2 (module_id_t module_idP, int CC_idP, frame_t frameP, sub_frame_t s
         add_msg3 (module_idP, CC_idP, RA_template, frameP, subframeP);
         fill_rar_br (eNB, CC_idP, RA_template, frameP, subframeP, cc[CC_idP].RAR_pdu.payload, RA_template->rach_resource_type - 1);
         // DL request
+        LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming TX Req %d\n", module_idP, frameP, subframeP);
         eNB->TX_req[CC_idP].sfn_sf = (frameP << 4) + subframeP;
         TX_req = &eNB->TX_req[CC_idP].tx_request_body.tx_pdu_list[eNB->TX_req[CC_idP].tx_request_body.number_of_pdus];
         TX_req->pdu_length = 7; // This should be changed if we have more than 1 preamble