From 74d1853ef68742f4ee0200104ab4879e542f3674 Mon Sep 17 00:00:00 2001
From: matzakos <panagiotis.matzakos@eurecom.fr>
Date: Thu, 21 Jun 2018 17:56:29 +0200
Subject: [PATCH] Minor modifications to make nfapi-L2-emulator work again and
 redundant logs removal.

---
 nfapi/oai_integration/nfapi_pnf.c         |  12 +-
 nfapi/open-nFAPI/vnf/src/vnf_p7.c         |   4 +-
 openair1/PHY/defs_UE.h                    |   6 +-
 openair1/SCHED_UE/phy_procedures_lte_ue.c |   7 -
 openair2/ENB_APP/enb_config.c             |  42 ---
 openair2/LAYER2/MAC/eNB_scheduler_RA.c    |   4 +-
 openair2/LAYER2/MAC/mac.h                 |   7 +-
 openair2/LAYER2/MAC/ra_procedures.c       |   4 +-
 openair2/LAYER2/MAC/ue_procedures.c       |  37 +--
 openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c  |   1 -
 openair2/LAYER2/RLC/rlc_mac.c             |   3 -
 openair2/PHY_INTERFACE/UE_MAC_interface.h |   4 +-
 openair2/PHY_INTERFACE/phy_stub_UE.c      |  57 ++--
 openair2/PHY_INTERFACE/phy_stub_UE.h      |   4 +-
 openair2/RRC/LTE/L2_interface_ue.c        |   1 -
 openair2/RRC/LTE/rrc_UE.c                 |  16 -
 openair2/RRC/LTE/rrc_eNB.c                |   1 -
 targets/RT/USER/lte-enb.c                 |  14 +-
 targets/RT/USER/lte-ue.c                  | 339 +---------------------
 targets/RT/USER/lte-uesoftmodem.c         |  31 +-
 20 files changed, 71 insertions(+), 523 deletions(-)

diff --git a/nfapi/oai_integration/nfapi_pnf.c b/nfapi/oai_integration/nfapi_pnf.c
index 09f37b9945..2d5133a450 100644
--- a/nfapi/oai_integration/nfapi_pnf.c
+++ b/nfapi/oai_integration/nfapi_pnf.c
@@ -516,7 +516,7 @@ int config_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfap
   uint8_t num_tlv = 0;
   //struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
 
-  // Panos: In the case of nfapi_mode = 3 (UE = PNF) we should not have dependency on any eNB var. So we aim
+  //  In the case of nfapi_mode = 3 (UE = PNF) we should not have dependency on any eNB var. So we aim
   // to keep only the necessary just to keep the nfapi FSM rolling by sending a dummy response.
   LTE_DL_FRAME_PARMS *fp;
   if (nfapi_mode!=3) {
@@ -1117,7 +1117,6 @@ int start_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi
   }
 
   if(phy_info->timing_info_mode & 0x2) {
-	  //printf("Panos-D: start_request () Enabling timing_info_mode_aperiodic \n");
     p7_config->timing_info_mode_aperiodic = 1;
   }
 
@@ -1185,9 +1184,6 @@ int start_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi
     NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] DJP - HACK - Set p7_config global ready for subframe ind%s\n", __FUNCTION__);
     p7_config_g = p7_config;
 
-    //NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Panos-D: start_request, BUFFER SIZE: %d", p7_config_g->subframe_buffer_size);
-    //printf("Panos-D: start_request, bUFFER SIZE: %d", p7_config_g->subframe_buffer_size);
-
     // Need to wait for main thread to create RU structures
     while(config_sync_var<0)
     {
@@ -1201,13 +1197,7 @@ int start_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi
 
     printf("[PNF] About to call init_eNB_afterRU()\n");
 
-    // Panos: Instead
-    /*if (nfapi_mode == 3) {
-    	init_UE_stub(1,0,uecap_xer_in);
-    }*/
-    //else{
     if (nfapi_mode != 3) {
-    	// Panos
     	init_eNB_afterRU();
     }
 
diff --git a/nfapi/open-nFAPI/vnf/src/vnf_p7.c b/nfapi/open-nFAPI/vnf/src/vnf_p7.c
index 3c469c942b..cea259c35b 100644
--- a/nfapi/open-nFAPI/vnf/src/vnf_p7.c
+++ b/nfapi/open-nFAPI/vnf/src/vnf_p7.c
@@ -1248,12 +1248,12 @@ void vnf_handle_timing_info(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7)
 
           //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() PNF:SFN/SF:%d VNF:SFN/SF:%d deltaSFNSF:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind.last_sfn_sf), NFAPI_SFNSF2DEC(vnf_p7->p7_connections[0].sfn_sf), vnf_pnf_sfnsf_delta);
 
-          // Panos: Careful here!!!
+          // Panos: Careful here!!! Modification of the original nfapi-code
           //if (vnf_pnf_sfnsf_delta>1 || vnf_pnf_sfnsf_delta < -1)
           if (vnf_pnf_sfnsf_delta>0 || vnf_pnf_sfnsf_delta < 0)
           {
             NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() LARGE SFN/SF DELTA between PNF and VNF delta:%d VNF:%d PNF:%d\n\n\n\n\n\n\n\n\n", __FUNCTION__, vnf_pnf_sfnsf_delta, NFAPI_SFNSF2DEC(vnf_p7->p7_connections[0].sfn_sf), NFAPI_SFNSF2DEC(ind.last_sfn_sf));
-            // Panos: Careful here!!!
+            // Panos: Careful here!!! Modification of the original nfapi-code
             vnf_p7->p7_connections[0].sfn_sf = ind.last_sfn_sf;
           }
         }
diff --git a/openair1/PHY/defs_UE.h b/openair1/PHY/defs_UE.h
index e36b88c036..de17bbee0b 100644
--- a/openair1/PHY/defs_UE.h
+++ b/openair1/PHY/defs_UE.h
@@ -161,12 +161,12 @@ typedef struct {
   UE_rxtx_proc_t proc_rxtx[RX_NB_TH];
 } UE_proc_t;
 
-/// Panos: Structure holding timer_thread related elements (phy_stub_UE mode)
+/// Structure holding timer_thread related elements (phy_stub_UE mode)
 typedef struct {
 	pthread_t pthread_timer;
-	/// Panos: mutex for waiting SF ticking
+	/// mutex for waiting SF ticking
 	pthread_mutex_t mutex_ticking;
-	/// Panos: \brief ticking var for ticking thread.
+	/// \brief ticking var for ticking thread.
 	/// \internal This variable is protected by \ref mutex_ticking.
 	int ticking_var;
 	/// condition variable for timer_thread;
diff --git a/openair1/SCHED_UE/phy_procedures_lte_ue.c b/openair1/SCHED_UE/phy_procedures_lte_ue.c
index 215b93bd46..fdea58bbee 100644
--- a/openair1/SCHED_UE/phy_procedures_lte_ue.c
+++ b/openair1/SCHED_UE/phy_procedures_lte_ue.c
@@ -512,7 +512,6 @@ void ue_compute_srs_occasion(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id
                   {
                       int Mod_id = ue->Mod_id;
                       int CC_id = ue->CC_id;
-                      // Panos: Substitute call to ue_get_SR() with the filled ue_SR_config->SR_payload (0, or 1).
                       SR_payload = ue_get_SR(Mod_id,
 					     CC_id,
 					     frame_tx,
@@ -2753,7 +2752,6 @@ void ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uin
     ue->pbch_vars[eNB_id]->pdu_errors_conseq++;
     ue->pbch_vars[eNB_id]->pdu_errors++;
 
-		// Panos: Substitute call to rrc_out_of_sync_ind() with fill_bch_incication(sync=0).
     if (ue->mac_enabled == 1) rrc_out_of_sync_ind(ue->Mod_id,frame_rx,eNB_id);
     else AssertFatal(ue->pbch_vars[eNB_id]->pdu_errors_conseq<100,
 		     "More that 100 consecutive PBCH errors! Exiting!\n");
@@ -3428,7 +3426,6 @@ void process_rar(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, int eNB_id, runmode_t mo
 	    subframe_rx,
 	    ue->prach_resources[eNB_id]->ra_PreambleIndex);
       
-      // Panos: Substitute call to ue_process_rar() with call to fill_dlsch_rar_indication()
       timing_advance = ue_process_rar(ue->Mod_id,
 				      ue->CC_id,
 				      frame_rx,
@@ -3759,7 +3756,6 @@ void ue_dlsch_procedures(PHY_VARS_UE *ue,
 	
 	switch (pdsch) {
 	case PDSCH:
-		// Panos: Substitute call to ue_send_sdu() with call to fill_dlsch_indication()
 	  ue_send_sdu(ue->Mod_id,
 		      CC_id,
 		      frame_rx,
@@ -3769,7 +3765,6 @@ void ue_dlsch_procedures(PHY_VARS_UE *ue,
 		      eNB_id);
 	  break;
 	case SI_PDSCH:
-		// Panos: Substitute call with call to fill_dlsch_indication()
 	  ue_decode_si(ue->Mod_id,
 		       CC_id,
 		       frame_rx,
@@ -3778,7 +3773,6 @@ void ue_dlsch_procedures(PHY_VARS_UE *ue,
 		       ue->dlsch_SI[eNB_id]->harq_processes[0]->TBS>>3);
 	  break;
 	case P_PDSCH:
-		// Panos: Substitute call with call to fill_dlsch_indication()
 		ue_decode_p(ue->Mod_id,
 		      CC_id,
 		      frame_rx,
@@ -3787,7 +3781,6 @@ void ue_dlsch_procedures(PHY_VARS_UE *ue,
 		      ue->dlsch_SI[eNB_id]->harq_processes[0]->TBS>>3);
 	  break;
 	case RA_PDSCH:
-		// Panos: Substitute with call to fill_dlsch_rar_indication()
 	  process_rar(ue,proc,eNB_id,mode,abstraction_flag);
 	  break;
 	case PDSCH1:
diff --git a/openair2/ENB_APP/enb_config.c b/openair2/ENB_APP/enb_config.c
index 3b65dfafdb..345ad599c8 100644
--- a/openair2/ENB_APP/enb_config.c
+++ b/openair2/ENB_APP/enb_config.c
@@ -230,47 +230,6 @@ void RCconfig_flexran()
 }
 
 
-/*void UE_config_stub_pnf(void) {
-  int               j;
-  paramdef_t L1_Params[] = L1PARAMS_DESC;
-  paramlist_def_t L1_ParamList = {CONFIG_STRING_L1_LIST,NULL,0};
-
-  config_getlist( &L1_ParamList,L1_Params,sizeof(L1_Params)/sizeof(paramdef_t), NULL);
-  if (L1_ParamList.numelt > 0) {
-	  for (j=0; j<L1_ParamList.numelt; j++){
-		  //nb_L1_CC = *(L1_ParamList.paramarray[j][L1_CC_IDX].uptr); // Number of component carriers is of no use for the
-	                                                            // phy_stub mode UE pnf. Maybe we can completely skip it.
-
-		  if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_mac") == 0) {
-			  sf_ahead = 4; // Need 4 subframe gap between RX and TX
-			  }
-		  // Panos: Right now that we have only one UE (thread) it is ok to put the eth_params in the UE_mac_inst.
-		  // Later I think we have to change that to attribute eth_params to a global element for all the UEs.
-		  else if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "nfapi") == 0) {
-			  stub_eth_params.local_if_name            = strdup(*(L1_ParamList.paramarray[j][L1_LOCAL_N_IF_NAME_IDX].strptr));
-			  stub_eth_params.my_addr                  = strdup(*(L1_ParamList.paramarray[j][L1_LOCAL_N_ADDRESS_IDX].strptr));
-			  stub_eth_params.remote_addr              = strdup(*(L1_ParamList.paramarray[j][L1_REMOTE_N_ADDRESS_IDX].strptr));
-			  stub_eth_params.my_portc                 = *(L1_ParamList.paramarray[j][L1_LOCAL_N_PORTC_IDX].iptr);
-			  stub_eth_params.remote_portc             = *(L1_ParamList.paramarray[j][L1_REMOTE_N_PORTC_IDX].iptr);
-			  stub_eth_params.my_portd                 = *(L1_ParamList.paramarray[j][L1_LOCAL_N_PORTD_IDX].iptr);
-			  stub_eth_params.remote_portd             = *(L1_ParamList.paramarray[j][L1_REMOTE_N_PORTD_IDX].iptr);
-			  stub_eth_params.transp_preference        = ETH_UDP_MODE;
-
-
-			  sf_ahead = 2; // Cannot cope with 4 subframes betweem RX and TX - set it to 2
-			  //configure_nfapi_pnf(UE_mac_inst[0].eth_params_n.remote_addr, UE_mac_inst[0].eth_params_n.remote_portc, UE_mac_inst[0].eth_params_n.my_addr, UE_mac_inst[0].eth_params_n.my_portd, UE_mac_inst[0].eth_params_n.remote_portd);
-			  configure_nfapi_pnf(stub_eth_params.remote_addr, stub_eth_params.remote_portc, stub_eth_params.my_addr, stub_eth_params.my_portd, stub_eth_params.remote_portd);
-		  }
-		  else { // other midhaul
-		  }
-	  }
-  }
-  else {
-
-  }
-}*/
-
-
 void RCconfig_L1(void) {
   int               i,j;
   paramdef_t L1_Params[] = L1PARAMS_DESC;
@@ -338,7 +297,6 @@ void RCconfig_L1(void) {
         configure_nfapi_pnf(RC.eNB[j][0]->eth_params_n.remote_addr, RC.eNB[j][0]->eth_params_n.remote_portc, RC.eNB[j][0]->eth_params_n.my_addr, RC.eNB[j][0]->eth_params_n.my_portd, RC.eNB[j][0]->eth_params_n     .remote_portd);
       }
       else { // other midhaul
-        //printf("Panos-D: RCconfig_L1 12 \n");
       }	
     }// j=0..num_inst
     printf("Initializing northbound interface for L1\n");
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_RA.c b/openair2/LAYER2/MAC/eNB_scheduler_RA.c
index 654f69ba91..b72a51cc36 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_RA.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_RA.c
@@ -1006,7 +1006,7 @@ generate_Msg4(module_id_t module_idP, int CC_idP, frame_t frameP,
 #endif
     {
     // This is normal LTE case
-	LOG_D(MAC, "Panos-D: generate_Msg4 1 ra->Msg4_frame SFN/SF: %d.%d,  frameP SFN/SF: %d.%d FOR eNB_Mod: %d \n", ra->Msg4_frame, ra->Msg4_subframe, frameP, subframeP, module_idP);
+	LOG_D(MAC, "generate_Msg4 1 ra->Msg4_frame SFN/SF: %d.%d,  frameP SFN/SF: %d.%d FOR eNB_Mod: %d \n", ra->Msg4_frame, ra->Msg4_subframe, frameP, subframeP, module_idP);
     	if ((ra->Msg4_frame == frameP) && (ra->Msg4_subframe == subframeP)) {
 
     	    // Get RRCConnectionSetup for Piggyback
@@ -1326,7 +1326,7 @@ check_Msg4_retransmission(module_id_t module_idP, int CC_idP,
 			  ra->rnti, round, frameP, subframeP);
 		    // DLSCH Config
                     //DJP - fix this pdu_index = -1
-		    LOG_D(MAC, "Panos:D: check_Msg4_retransmission() before fill_nfapi_dlsch_config() with pdu_index = -1 \n");
+		    LOG_D(MAC, "check_Msg4_retransmission() before fill_nfapi_dlsch_config() with pdu_index = -1 \n");
 		    fill_nfapi_dlsch_config(mac, dl_req_body, ra->msg4_TBsize,
 					    -1
 					    /* retransmission, no pdu_index */
diff --git a/openair2/LAYER2/MAC/mac.h b/openair2/LAYER2/MAC/mac.h
index 333dfb3b88..a5a179444e 100644
--- a/openair2/LAYER2/MAC/mac.h
+++ b/openair2/LAYER2/MAC/mac.h
@@ -328,7 +328,6 @@ typedef struct {
     uint8_t Buffer_size0:6;
 } __attribute__ ((__packed__)) BSR_LONG;
 
-// Panos:
 /*!\brief  mac control element: sidelink buffer status report */
 typedef struct {
 	uint8_t DST_1:4;
@@ -1526,13 +1525,13 @@ typedef struct {
   time_stats_t rx_si;
   /// UE PCCH rx processing time including RLC interface (mac_rrc_data_ind)
   time_stats_t rx_p;
-  /// Panos: Mutex for nfapi UL_INFO
+  /// Mutex for nfapi UL_INFO
   pthread_mutex_t      UL_INFO_mutex;
-  /// Panos: UE_Mode variable should be used in the case of Phy_stub operation since we won't have access to PHY_VARS_UE
+  /// UE_Mode variable should be used in the case of Phy_stub operation since we won't have access to PHY_VARS_UE
   /// where the UE_mode originally is for the full stack operation mode. The transitions between the states of the UE_Mode
   /// will be triggered within phy_stub_ue.c in this case
   UE_MODE_t        UE_mode[NUMBER_OF_CONNECTED_eNB_MAX];
-  /// Panos: Phy_stub mode: Boolean variable to distinguish whether a Msg3 or a regular ULSCH data pdu should be generated
+  /// Phy_stub mode: Boolean variable to distinguish whether a Msg3 or a regular ULSCH data pdu should be generated
   /// after the reception of NFAPI_UL_CONFIG_ULSCH_PDU_TYPE.
   uint8_t first_ULSCH_Tx;
   uint8_t SI_Decoded;
diff --git a/openair2/LAYER2/MAC/ra_procedures.c b/openair2/LAYER2/MAC/ra_procedures.c
index 94362d499a..c6dc605a27 100644
--- a/openair2/LAYER2/MAC/ra_procedures.c
+++ b/openair2/LAYER2/MAC/ra_procedures.c
@@ -299,8 +299,8 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
 
     uint8_t Size = 0;
     UE_MODE_t UE_mode;
-    // Panos: Modification for phy_stub_ue operation
-    if(nfapi_mode == 3) { // Panos: phy_stub_ue mode
+    // Modification for phy_stub_ue operation
+    if(nfapi_mode == 3) { // phy_stub_ue mode
         UE_mode = UE_mac_inst[module_idP].UE_mode[0];
         LOG_D(MAC, "ue_get_rach , UE_mode: %d", UE_mode);
     }
diff --git a/openair2/LAYER2/MAC/ue_procedures.c b/openair2/LAYER2/MAC/ue_procedures.c
index 4948562e0f..592ba42b26 100644
--- a/openair2/LAYER2/MAC/ue_procedures.c
+++ b/openair2/LAYER2/MAC/ue_procedures.c
@@ -475,8 +475,8 @@ ue_send_sdu(module_id_t module_idP,
 			    LOG_E(MAC,
 				  "[UE %d][RAPROC] Contention detected, RA failed\n",
 				  module_idP);
-			    if(nfapi_mode == 3) { // Panos: phy_stub mode
-			    	// Panos: Modification for phy_stub mode operation here. We only need to make sure that the ue_mode is back to
+			    if(nfapi_mode == 3) { // phy_stub mode
+			    	//  Modification for phy_stub mode operation here. We only need to make sure that the ue_mode is back to
 			    	// PRACH state.
 			    	LOG_I(MAC, "nfapi_mode3: Setting UE_mode BACK to PRACH 1\n");
 			    	UE_mac_inst[module_idP].UE_mode[eNB_index] = PRACH;
@@ -502,7 +502,7 @@ ue_send_sdu(module_id_t module_idP,
 			RA_contention_resolution_timer_active = 0;
 		    if(nfapi_mode == 3) // phy_stub mode
 		    	{
-		    	//Panos: Modification for phy_stub mode operation here. We only need to change the ue_mode to PUSCH
+		    	// Modification for phy_stub mode operation here. We only need to change the ue_mode to PUSCH
 		    	UE_mac_inst[module_idP].UE_mode[eNB_index] = PUSCH;
 		    	}
 		    else { // Full stack mode
@@ -519,7 +519,7 @@ ue_send_sdu(module_id_t module_idP,
 		      payload_ptr[0]);
 #endif
 
-	  // Panos: Eliminate call to process_timing_advance for the phy_stub UE operation mode. Is this correct?
+	  // Eliminate call to process_timing_advance for the phy_stub UE operation mode. Is this correct?
       if (nfapi_mode!=3)
       {
     	  process_timing_advance(module_idP,CC_id,payload_ptr[0]);
@@ -881,17 +881,6 @@ void ue_send_sl_sdu(module_id_t module_idP,
   } else { //SL_DISCOVERY
      uint16_t len = sdu_len;
      LOG_I( MAC, "SL DISCOVERY \n");
-     // Panos: Ask TTN if we should be calling mac_rrc_data_ind_ue() instead of mac_rrc_data_ind() now!
-     /*mac_rrc_data_ind(module_idP,
-                      CC_id,
-                      frameP,subframeP,
-                      UE_mac_inst[module_idP].crnti,
-                      SL_DISCOVERY,
-                      sdu, //(uint8_t*)&UE_mac_inst[Mod_id].SL_Discovery[0].Rx_buffer.Payload[0],
-                      len,
-                      ENB_FLAG_NO,
-                      eNB_index,
-                      0);*/
      mac_rrc_data_ind_ue(module_idP,
                            CC_id,
                            frameP,subframeP,
@@ -1623,7 +1612,6 @@ ue_get_sdu(module_id_t module_idP, int CC_id, frame_t frameP,
 	   uint8_t * ulsch_buffer, uint16_t buflen, uint8_t * access_mode)
 {
 
-	//LOG_I(MAC, "Panos-D: UE[%d] In ue_get_sdu() 1  \n", module_idP);
     uint8_t total_rlc_pdu_header_len = 0, rlc_pdu_header_len_last = 0;
     uint16_t buflen_remain = 0;
     uint8_t bsr_len = 0, bsr_ce_len = 0, bsr_header_len = 0;
@@ -1997,7 +1985,7 @@ ue_get_sdu(module_id_t module_idP, int CC_id, frame_t frameP,
     // build PHR and update the timers
     if (phr_ce_len == sizeof(POWER_HEADROOM_CMD)) {
     	if(nfapi_mode ==3){
-    		//Panos: Substitute with a static value for the MAC layer abstraction (phy_stub mode)
+    		//Substitute with a static value for the MAC layer abstraction (phy_stub mode)
     		phr_p->PH = 40;
     	}
     	else{
@@ -2212,7 +2200,6 @@ ue_get_sdu(module_id_t module_idP, int CC_id, frame_t frameP,
 	  buflen - sdu_length_total - payload_offset);
     // cycle through SDUs and place in ulsch_buffer
     if (sdu_length_total) {
-    	//LOG_I(MAC, "Panos-D: [UE %d] ue_get_sdu() 2 before copying to ulsch_buffer, SFN/SF: %d/%d \n \n \n", module_idP, frameP, subframe);
 	memcpy(&ulsch_buffer[payload_offset], ulsch_buff,
 	       sdu_length_total);
     }
@@ -2466,8 +2453,8 @@ ue_scheduler(const module_id_t module_idP,
 	    LOG_E(MAC,
 		  "Module id %u Contention resolution timer expired, RA failed\n",
 		  module_idP);
-	    if(nfapi_mode == 3) { // Panos: phy_stub mode
-	    	// Panos: Modification for phy_stub mode operation here. We only need to make sure that the ue_mode is back to
+	    if(nfapi_mode == 3) { // phy_stub mode
+	    	// Modification for phy_stub mode operation here. We only need to make sure that the ue_mode is back to
 	    	// PRACH state.
 	    	LOG_I(MAC, "nfapi_mode3: Setting UE_mode to PRACH 2 \n");
 	    	UE_mac_inst[module_idP].UE_mode[eNB_indexP] = PRACH;
@@ -3201,16 +3188,6 @@ SLDCH_t *ue_get_sldch(module_id_t Mod_id,int CC_id,frame_t frame_tx,sub_frame_t
 
     //UE_MAC_INST *ue = &UE_mac_inst[Mod_id];
     SLDCH_t *sldch = &UE_mac_inst[Mod_id].sldch;
-    // Panos: Ask TTN if we should be calling mac_rrc_data_req_ue() instead of mac_rrc_data_req() now!
-    /*sldch->payload_length = mac_rrc_data_req(Mod_id,
-            CC_id,
-            frame_tx,
-            SL_DISCOVERY,
-            1,
-            (char*)(sldch->payload), //&UE_mac_inst[Mod_id].SL_Discovery[0].Tx_buffer.Payload[0],
-            0,
-            0, //eNB_indexP
-            0);*/
 
     sldch->payload_length = mac_rrc_data_req_ue(Mod_id,
                 CC_id,
diff --git a/openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c b/openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
index 5b89e8cdde..ec605faa71 100644
--- a/openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
+++ b/openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
@@ -491,7 +491,6 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
 #if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
    int prose_addr_len;
    char send_buf[BUFSIZE], receive_buf[BUFSIZE];
-   // Panos: Remove the following definitions due to warnings of unused variables.
    //int optval;
    int bytes_received;
    sidelink_pc5s_element *sl_pc5s_msg_recv = NULL;
diff --git a/openair2/LAYER2/RLC/rlc_mac.c b/openair2/LAYER2/RLC/rlc_mac.c
index 6ba7e883b1..d922a1dae2 100644
--- a/openair2/LAYER2/RLC/rlc_mac.c
+++ b/openair2/LAYER2/RLC/rlc_mac.c
@@ -368,19 +368,16 @@ mac_rlc_status_resp_t mac_rlc_status_ind(
     } else
 #endif
     {
-    	//LOG_I(RLC, "Panos-D mac_rlc_status_ind 1 enb_flagP: %d, channel_idP: %d, srb_flag: %d \n", enb_flagP, channel_idP, srb_flag);
     key = RLC_COLL_KEY_LCID_VALUE(module_idP, rntiP, enb_flagP, channel_idP, srb_flag);
     }
 }
 
-  //LOG_I(RLC, "Panos-D mac_rlc_status_ind 2 enb_flagP: %d, channel_idP: %d, srb_flag: %d \n", enb_flagP, channel_idP, srb_flag);
   h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
 
   if (h_rc == HASH_TABLE_OK) {
     rlc_mode = rlc_union_p->mode;
   } else {
     rlc_mode = RLC_MODE_NONE;
-    //LOG_D(RLC , "Panos-D: mac_rlc_status_ind() In RLC_MODE_NONE \n");
     //LOG_W(RLC , "[%s] RLC not configured lcid %u module %u!\n", __FUNCTION__, channel_idP, module_idP);
     //LOG_D(RLC , "[%s] RLC not configured rb id %u lcid %u module %u!\n", __FUNCTION__, rb_id, channel_idP, ue_module_idP);
   }
diff --git a/openair2/PHY_INTERFACE/UE_MAC_interface.h b/openair2/PHY_INTERFACE/UE_MAC_interface.h
index 0e4777d0b0..d010109f99 100644
--- a/openair2/PHY_INTERFACE/UE_MAC_interface.h
+++ b/openair2/PHY_INTERFACE/UE_MAC_interface.h
@@ -192,14 +192,14 @@ typedef struct{
 }UE_MAC_BCH_indication_body_t;
 
 
-// Panos: Corresponding to inputs of MAC functions: ue_send_sdu(), ue_decode_si(), ue_decode_p().
+// Corresponding to inputs of MAC functions: ue_send_sdu(), ue_decode_si(), ue_decode_p().
 typedef struct{
 	uint8_t* 	data;
 	uint16_t 	data_len;
 }UE_MAC_dlsch_pdu;
 
 
-// Panos: Corresponding to inputs of MAC function: process_rar().
+// Corresponding to inputs of MAC function: process_rar().
 typedef struct{
 	rnti_t 		ra_rnti;
 	uint8_t* 	rar_input_buffer; // Originating from PHY
diff --git a/openair2/PHY_INTERFACE/phy_stub_UE.c b/openair2/PHY_INTERFACE/phy_stub_UE.c
index 588cde5231..299c12a7a0 100644
--- a/openair2/PHY_INTERFACE/phy_stub_UE.c
+++ b/openair2/PHY_INTERFACE/phy_stub_UE.c
@@ -68,7 +68,7 @@ void fill_rx_indication_UE_MAC(module_id_t Mod_id,int frame,int subframe, UL_IND
 	  pdu->data                              = ulsch_buffer;
 	  // estimate timing advance for MAC
 	  //sync_pos                               = lte_est_timing_advance_pusch(eNB,UE_id);
-	  timing_advance_update                  = 0;  //Panos: Don't know what to put here
+	  timing_advance_update                  = 0;  // Don't know what to put here
 	  pdu->rx_indication_rel8.timing_advance = timing_advance_update;
 
 		  int SNRtimes10 = 640;
@@ -105,10 +105,10 @@ void fill_sr_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_I
   pdu->instance_length                                = 0; // don't know what to do with this
   //  pdu->rx_ue_information.handle                       = handle;
   pdu->rx_ue_information.tl.tag                       = NFAPI_RX_UE_INFORMATION_TAG;
-  pdu->rx_ue_information.rnti                         = rnti; //UE_mac_inst[Mod_id].crnti;; //Panos: Is this the right RNTI?
+  pdu->rx_ue_information.rnti                         = rnti; //UE_mac_inst[Mod_id].crnti
 
 
-  // Panos dependency from PHY not sure how to substitute this. Should we hardcode it?
+  // dependency from PHY not sure how to substitute this. Should we hardcode it?
   //int SNRtimes10 = dB_fixed_times10(stat) - 200;//(10*eNB->measurements.n0_power_dB[0]);
   int SNRtimes10 = 640;
 
@@ -130,7 +130,7 @@ void fill_crc_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_
 
   pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
 
-  //Panos: REMEMBER HAVE EXCHANGED THE FOLLOWING TWO LINES HERE!
+  // REMEMBER HAVE EXCHANGED THE FOLLOWING TWO LINES HERE!
   nfapi_crc_indication_pdu_t *pdu =   &UL_INFO->crc_ind.crc_indication_body.crc_pdu_list[UL_INFO->crc_ind.crc_indication_body.number_of_crcs];
 
   UL_INFO->crc_ind.sfn_sf                    = frame<<4| subframe;
@@ -172,9 +172,9 @@ void fill_rach_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL
 
 	    UL_INFO->rach_ind.rach_indication_body.preamble_list = (nfapi_preamble_pdu_t*)malloc(UL_INFO->rach_ind.rach_indication_body.number_of_preambles*sizeof(nfapi_preamble_pdu_t));
 	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.tl.tag   		= NFAPI_PREAMBLE_REL8_TAG;
-	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance = 0; //Panos: Not sure about that
+	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance = 0; // Not sure about that
 
-	    //Panos: The two following should get extracted from the call to get_prach_resources().
+	    //The two following should get extracted from the call to get_prach_resources().
 	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble = ra_PreambleIndex;
 	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti 	  = ra_RNTI;
 	    //UL_INFO->rach_ind.rach_indication_body.number_of_preambles++;
@@ -191,7 +191,7 @@ void fill_rach_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL
 	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti,
 	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel13.rach_resource_type);
 
-	          //Panos: This function is currently defined only in the nfapi-RU-RAU-split so we should call it when we merge
+	          // This function is currently defined only in the nfapi-RU-RAU-split so we should call it when we merge
 	          // with that branch.
 	          oai_nfapi_rach_ind(&UL_INFO->rach_ind);
 	          free(UL_INFO->rach_ind.rach_indication_body.preamble_list);
@@ -210,12 +210,12 @@ void fill_ulsch_cqi_indication_UE_MAC(int Mod_id, uint16_t frame,uint8_t subfram
 
 	pdu->rx_ue_information.tl.tag          = NFAPI_RX_UE_INFORMATION_TAG;
 	pdu->rx_ue_information.rnti = rnti;
-	//Panos: Since we assume that CRC flag is always 0 (ACK) I guess that data_offset should always be 0.
+	// Since we assume that CRC flag is always 0 (ACK) I guess that data_offset should always be 0.
 	pdu->cqi_indication_rel9.data_offset = 0;
 
 	// by default set O to rank 1 value
 	//pdu->cqi_indication_rel9.length = (ulsch_harq->Or1>>3) + ((ulsch_harq->Or1&7) > 0 ? 1 : 0);
-	// Panos: Not useful field for our case
+	//  Not useful field for our case
 	pdu->cqi_indication_rel9.tl.tag = NFAPI_CQI_INDICATION_REL9_TAG;
 	pdu->cqi_indication_rel9.length = 0;
 	pdu->cqi_indication_rel9.ri[0]  = 0;
@@ -225,7 +225,7 @@ void fill_ulsch_cqi_indication_UE_MAC(int Mod_id, uint16_t frame,uint8_t subfram
   pdu->cqi_indication_rel9.number_of_cc_reported = 1;
   pdu->ul_cqi_information.channel = 1; // PUSCH
 
-  //Panos: Not sure how to substitute this. This should be the actual CQI value? So can
+  // Not sure how to substitute this. This should be the actual CQI value? So can
   // we hardcode it to a specific value?
   //memcpy((void*)raw_pdu->pdu,ulsch_harq->o,pdu->cqi_indication_rel9.length);
   raw_pdu->pdu[0] = 7;
@@ -255,18 +255,18 @@ void fill_ulsch_harq_indication_UE_MAC(int Mod_id, int frame,int subframe, UL_IN
   pdu->rx_ue_information.tl.tag                       = NFAPI_RX_UE_INFORMATION_TAG;
   pdu->rx_ue_information.rnti                         = rnti;
 
-  //Panos: For now we consider only FDD
+  // For now we consider only FDD
   //if (eNB->frame_parms.frame_type == FDD) {
     pdu->harq_indication_fdd_rel13.tl.tag = NFAPI_HARQ_INDICATION_FDD_REL13_TAG;
     pdu->harq_indication_fdd_rel13.mode = 0;
     pdu->harq_indication_fdd_rel13.number_of_ack_nack = harq_information->harq_information_rel10.harq_size;
 
-    //Panos: Could this be wrong? Is the number_of_ack_nack field equivalent to O_ACK?
+    // Could this be wrong? Is the number_of_ack_nack field equivalent to O_ACK?
     //pdu->harq_indication_fdd_rel13.number_of_ack_nack = ulsch_harq->O_ACK;
 
     for (i=0;i<harq_information->harq_information_rel10.harq_size;i++) {
 
-      pdu->harq_indication_fdd_rel13.harq_tb_n[i] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
+      pdu->harq_indication_fdd_rel13.harq_tb_n[i] = 1; // Assuming always an ACK (No NACK or DTX)
 
     }
 
@@ -319,7 +319,7 @@ void fill_uci_harq_indication_UE_MAC(int Mod_id,
       pdu->harq_indication_fdd_rel13.number_of_ack_nack = 1;
 
       //AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[0] == 4, "harq_ack[0] is %d, should be 1,2 or 4\n",harq_ack[0]);
-      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
+      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; // Assuming always an ACK (No NACK or DTX)
 
 
     }
@@ -328,8 +328,8 @@ void fill_uci_harq_indication_UE_MAC(int Mod_id,
       pdu->harq_indication_fdd_rel13.tl.tag = NFAPI_HARQ_INDICATION_FDD_REL13_TAG;
       pdu->harq_indication_fdd_rel13.mode = 0;
       pdu->harq_indication_fdd_rel13.number_of_ack_nack = 2;
-      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
-      pdu->harq_indication_fdd_rel13.harq_tb_n[1] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
+      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; // Assuming always an ACK (No NACK or DTX)
+      pdu->harq_indication_fdd_rel13.harq_tb_n[1] = 1; // Assuming always an ACK (No NACK or DTX)
 
     }
     else AssertFatal(1==0,"only format 1a/b for now, received \n");
@@ -362,15 +362,14 @@ void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
     		fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0, index, rnti);
     		fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti, index);
     		Msg3_transmitted(Mod_id, 0, frame, 0);
-    		// Panos: Modification
+    		//  Modification
     		UE_mac_inst[Mod_id].UE_mode[0] = PUSCH;
     		UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
 
-    		// Panos: This should be done after the reception of the respective hi_dci0
+    		// This should be done after the reception of the respective hi_dci0
     		//UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
     	}
     	else {
-    		//LOG_I(MAC, "Panos-D: handle_nfapi_ul_pdu_UE_MAC 2.3 \n");
     		ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
     		fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0, index, rnti);
     		fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti, index);
@@ -393,12 +392,11 @@ void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
 			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti, index);
 			  Msg3_transmitted(Mod_id, 0, frame, 0);
 			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
-			  // Panos: Modification
+			  // Modification
 			  UE_mac_inst[Mod_id].UE_mode[0] = PUSCH;
 			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
 		  }
 		  else {
-			  //LOG_I(MAC, "Panos-D: handle_nfapi_ul_pdu_UE_MAC 3.1 \n");
 			  ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
 			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0, index, rnti);
 			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti, index);
@@ -421,7 +419,7 @@ void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
 			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti, index);
 			  Msg3_transmitted(Mod_id, 0, frame, 0);
 			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
-			  // Panos: Modification
+			  // Modification
 			  UE_mac_inst[Mod_id].UE_mode[0] = PUSCH;
 			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
 		  }
@@ -448,7 +446,7 @@ void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
 			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti, index);
 			  Msg3_transmitted(Mod_id, 0, frame, 0);
 			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
-			  // Panos: Modification
+			  // Modification
 			  UE_mac_inst[Mod_id].UE_mode[0] = PUSCH;
 			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
 		  }
@@ -788,13 +786,9 @@ int hi_dci0_req_UE_MAC(nfapi_hi_dci0_request_t* req, module_id_t Mod_id)
 int memcpy_dl_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req)
 {
 
-	//module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
-
 	//for (Mod_id=0; Mod_id<NB_UE_INST; Mod_id++){
 
 	dl_config_req = (nfapi_dl_config_request_t*)malloc(sizeof(nfapi_dl_config_request_t));
-	//LOG_I(MAC, "Panos-D: memcpy_dl_config_req 1, Mod_id:%d \n", Mod_id);
-
 
 	//UE_mac_inst[Mod_id].dl_config_req->header = req->header;
 	dl_config_req->sfn_sf = req->sfn_sf;
@@ -822,10 +816,6 @@ int memcpy_dl_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request
 
 int memcpy_ul_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req)
 {
-	//LOG_D(MAC, "Panos-D: memcpy_ul_config_req 1 \n");
-
-	//module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
-
 
 	//for (Mod_id=0; Mod_id<NB_UE_INST; Mod_id++){
 
@@ -857,8 +847,6 @@ int memcpy_ul_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request
 
 int memcpy_tx_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req)
 {
-	//module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
-
 
 	tx_req_num_elems = req->tx_request_body.number_of_pdus;
 	tx_request_pdu_list = (nfapi_tx_request_pdu_t*) calloc(tx_req_num_elems, sizeof(nfapi_tx_request_pdu_t));
@@ -884,7 +872,6 @@ int memcpy_hi_dci0_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t*
 {
 
 	//if(req!=0){
-	//module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
 
 	//for (Mod_id=0; Mod_id<NB_UE_INST; Mod_id++){
 	hi_dci0_req = (nfapi_hi_dci0_request_t*)malloc(sizeof(nfapi_hi_dci0_request_t));
@@ -929,7 +916,7 @@ void UE_config_stub_pnf(void) {
 		  if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_mac") == 0) {
 			  sf_ahead = 4; // Need 4 subframe gap between RX and TX
 			  }
-		  // Panos: Right now that we have only one UE (thread) it is ok to put the eth_params in the UE_mac_inst.
+		  // Right now that we have only one UE (thread) it is ok to put the eth_params in the UE_mac_inst.
 		  // Later I think we have to change that to attribute eth_params to a global element for all the UEs.
 		  else if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "nfapi") == 0) {
 			  stub_eth_params.local_if_name            = strdup(*(L1_ParamList.paramarray[j][L1_LOCAL_N_IF_NAME_IDX].strptr));
diff --git a/openair2/PHY_INTERFACE/phy_stub_UE.h b/openair2/PHY_INTERFACE/phy_stub_UE.h
index 9865be3eeb..9060951b26 100644
--- a/openair2/PHY_INTERFACE/phy_stub_UE.h
+++ b/openair2/PHY_INTERFACE/phy_stub_UE.h
@@ -21,7 +21,7 @@ UL_IND_t *UL_INFO;
 
 nfapi_tx_request_pdu_t* tx_request_pdu_list;
 // New
-/// Panos: Pointers to config_request types. Used from nfapi callback functions.
+/// Pointers to config_request types. Used from nfapi callback functions.
 nfapi_dl_config_request_t* dl_config_req;
 nfapi_ul_config_request_t* ul_config_req;
 nfapi_hi_dci0_request_t* hi_dci0_req;
@@ -35,7 +35,7 @@ eth_params_t         stub_eth_params;
 
 
 
-// Panos: This function should return all the sched_response config messages which concern a specific UE. Inside this
+// This function should return all the sched_response config messages which concern a specific UE. Inside this
 // function we should somehow make the translation of config message's rnti to Mod_ID.
 Sched_Rsp_t get_nfapi_sched_response(uint8_t Mod_id);
 
diff --git a/openair2/RRC/LTE/L2_interface_ue.c b/openair2/RRC/LTE/L2_interface_ue.c
index 90751ecf25..1b0b2fa775 100644
--- a/openair2/RRC/LTE/L2_interface_ue.c
+++ b/openair2/RRC/LTE/L2_interface_ue.c
@@ -403,7 +403,6 @@ void rrc_in_sync_ind(module_id_t Mod_idP, frame_t frameP, uint16_t eNB_index)
   UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt=0;
 
   if (UE_rrc_inst[Mod_idP].Info[eNB_index].T310_active==1) {
-    LOG_D(RRC, "Panos-D: rrc_in_sync_ind 1 \n");
     UE_rrc_inst[Mod_idP].Info[eNB_index].N311_cnt++;
   }
 
diff --git a/openair2/RRC/LTE/rrc_UE.c b/openair2/RRC/LTE/rrc_UE.c
index 32f4f05aae..1722f29431 100644
--- a/openair2/RRC/LTE/rrc_UE.c
+++ b/openair2/RRC/LTE/rrc_UE.c
@@ -786,7 +786,6 @@ int rrc_ue_decode_ccch( const protocol_ctxt_t* const ctxt_pP, const SRB_INFO* co
     char        message_string[10000];
     size_t      message_string_size;
 
-    //LOG_I(RRC, "Panos-D: rrc_ue_decode_ccch, Before xer_sprint() \n");
     if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message, (void *)dl_ccch_msg)) > 0) {
       MessageDef *msg_p;
 
@@ -1977,7 +1976,6 @@ rrc_ue_process_securityModeCommand(
       char        message_string[20000];
       size_t      message_string_size;
       
-      //LOG_I(RRC, "Panos-D: rrc_ue_process_securityModeCommand, Before xer_sprint() \n");
       if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_UL_DCCH_Message, (void *) &ul_dcch_msg)) > 0) {
 	MessageDef *msg_p;
 	
@@ -2089,7 +2087,6 @@ rrc_ue_process_ueCapabilityEnquiry(
 	char        message_string[20000];
 	size_t      message_string_size;
 	
-	//LOG_I(RRC, "Panos-D: rrc_ue_process_ueCapabilityEnquiry, Before xer_sprint() \n");
 	if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_UL_DCCH_Message, (void *) &ul_dcch_msg)) > 0) {
 	  MessageDef *msg_p;
 	  
@@ -2484,7 +2481,6 @@ rrc_ue_decode_dcch(
     char        message_string[30000];
     size_t      message_string_size;
 
-    //LOG_I(RRC, "Panos-D: rrc_ue_decode_dcch, Before xer_sprint() \n");
     if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_DCCH_Message, (void *)dl_dcch_msg)) > 0) {
       msg_p = itti_alloc_new_message_sized (TASK_RRC_UE, RRC_DL_DCCH, message_string_size + sizeof (IttiMsgText));
       msg_p->ittiMsg.rrc_dl_dcch.size = message_string_size;
@@ -3020,7 +3016,6 @@ int decode_BCCH_DLSCH_Message(
     char        message_string[15000];
     size_t      message_string_size;
 
-    //LOG_I(RRC, "Panos-D: decode_BCCH_DLSCH_Message, Before xer_sprint() \n");
     if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_BCCH_DL_SCH_Message, (void *)bcch_message)) > 0) {
       MessageDef *msg_p;
 
@@ -3046,8 +3041,6 @@ int decode_BCCH_DLSCH_Message(
                   sizeof(SystemInformationBlockType1_t) );
           LOG_D( RRC, "[UE %"PRIu8"] Decoding First SIB1\n", ctxt_pP->module_id );
 
-          //LOG_I( RRC, "Panos-D: decode_BCCH_DLSCH_Message1 BEFORE decode_SIB1");
-          //printf("Panos-D: decode_BCCH_DLSCH_Message1 BEFORE decode_SIB1");
           decode_SIB1( ctxt_pP, eNB_index, rsrq, rsrp );
         }
       }
@@ -3066,8 +3059,6 @@ int decode_BCCH_DLSCH_Message(
         LOG_D( RRC, "[UE %"PRIu8"] Decoding SI for frameP %"PRIu32"\n",
                ctxt_pP->module_id,
                ctxt_pP->frame );
-        //LOG_I( RRC, "Panos-D: decode_BCCH_DLSCH_Message1 BEFORE OTHER decode_SI");
-        //printf("Panos-D: decode_BCCH_DLSCH_Message1 BEFORE OTHER decode_SI");
         decode_SI( ctxt_pP, eNB_index );
         //if (nfapi_mode == 3)
         	UE_mac_inst[ctxt_pP->module_id].SI_Decoded = 1;
@@ -3915,12 +3906,10 @@ uint64_t arfcn_to_freq(long arfcn) {
 //-----------------------------------------------------------------------------
  int decode_SI( const protocol_ctxt_t* const ctxt_pP, const uint8_t eNB_index )
 {
-  //LOG_D( RRC, "Panos-D: decode_SI 1 \n");
   SystemInformation_t** si = &UE_rrc_inst[ctxt_pP->module_id].si[eNB_index];
   int new_sib = 0;
   SystemInformationBlockType1_t* sib1 = UE_rrc_inst[ctxt_pP->module_id].sib1[eNB_index];
 
-  //LOG_D( RRC, "Panos-D: decode_SI 2 \n");
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_UE_DECODE_SI, VCD_FUNCTION_IN );
 
   // Dump contents
@@ -3929,20 +3918,16 @@ uint64_t arfcn_to_freq(long arfcn) {
     LOG_D( RRC, "[UE] (*si)->criticalExtensions.choice.systemInformation_r8.sib_TypeAndInfo.list.count %d\n",
            (*si)->criticalExtensions.choice.systemInformation_r8.sib_TypeAndInfo.list.count );
   } else {
-	  //LOG_D( RRC, "Panos-D: decode_SI 2.3 \n");
     LOG_D( RRC, "[UE] Unknown criticalExtension version (not Rel8)\n" );
     return -1;
   }
 
-  LOG_D( RRC, "Panos-D: decode_SI 3 \n");
   for (int i=0; i<(*si)->criticalExtensions.choice.systemInformation_r8.sib_TypeAndInfo.list.count; i++) {
-    //LOG_I( RRC, "Panos-D: SI count %d\n", i );
     struct SystemInformation_r8_IEs__sib_TypeAndInfo__Member *typeandinfo;
     typeandinfo = (*si)->criticalExtensions.choice.systemInformation_r8.sib_TypeAndInfo.list.array[i];
 
     switch(typeandinfo->present) {
     case SystemInformation_r8_IEs__sib_TypeAndInfo__Member_PR_sib2:
-    	//LOG_D( RRC, "Panos-D: decode_SI 4 \n");
       if ((UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus&2) == 0) {
 	UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus|=2;
 	new_sib=1;
@@ -4032,7 +4017,6 @@ uint64_t arfcn_to_freq(long arfcn) {
       break; // case SystemInformation_r8_IEs__sib_TypeAndInfo__Member_PR_sib2
 
     case SystemInformation_r8_IEs__sib_TypeAndInfo__Member_PR_sib3:
-    	//LOG_D( RRC, "Panos-D: decode_SI 5 \n");
       if ((UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus&4) == 0) {
 	UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus|=4;
 	new_sib=1;
diff --git a/openair2/RRC/LTE/rrc_eNB.c b/openair2/RRC/LTE/rrc_eNB.c
index 492e8536c4..d8f78ea964 100644
--- a/openair2/RRC/LTE/rrc_eNB.c
+++ b/openair2/RRC/LTE/rrc_eNB.c
@@ -707,7 +707,6 @@ void rrc_eNB_emulation_notify_ue_module_id(
   const uint8_t     cell_identity_byte2P,
   const uint8_t     cell_identity_byte3P)
 {
-	LOG_I(RRC, "Panos-D: rrc_eNB_emulation_notify_ue_module_id 1 \n");
   module_id_t                         enb_module_id;
   struct rrc_eNB_ue_context_s*        ue_context_p = NULL;
   int                                 CC_id;
diff --git a/targets/RT/USER/lte-enb.c b/targets/RT/USER/lte-enb.c
index a418d09a0f..f75a284840 100644
--- a/targets/RT/USER/lte-enb.c
+++ b/targets/RT/USER/lte-enb.c
@@ -449,11 +449,13 @@ static void* eNB_thread_rxtx( void* param ) {
       exit_fun( "ERROR pthread_cond_signal" );
     }
     pthread_mutex_unlock( &proc->mutex_rxtx );
-    if(get_nprocs() >= 8)      wakeup_tx(eNB,eNB->proc.ru_proc);
-    else
-    {  
-      phy_procedures_eNB_TX(eNB, proc, 1);
-      wakeup_txfh(proc,eNB->proc.ru_proc);
+    if (nfapi_mode!=2){
+    	if(get_nprocs() >= 8)      wakeup_tx(eNB,eNB->proc.ru_proc);
+    	else
+    	{
+    		phy_procedures_eNB_TX(eNB, proc, 1);
+    		wakeup_txfh(proc,eNB->proc.ru_proc);
+    	}
     }
 
   } // while !oai_exit
@@ -1013,7 +1015,7 @@ void init_eNB_proc(int inst) {
 	//pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, proc_rxtx );
 
 
-    // Panos: Should we also include here the case where single_thread_flag = 1 ?
+    //Should we also include here the case where single_thread_flag = 1 ?
 	if(nfapi_mode!=2){
 		pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, proc );
 		pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, tx_thread, proc);
diff --git a/targets/RT/USER/lte-ue.c b/targets/RT/USER/lte-ue.c
index a0174ea332..9ce49ec939 100644
--- a/targets/RT/USER/lte-ue.c
+++ b/targets/RT/USER/lte-ue.c
@@ -183,7 +183,7 @@ PHY_VARS_UE* init_ue_vars(LTE_DL_FRAME_PARMS *frame_parms,
   ue->Mod_id      = UE_id;
   ue->mac_enabled = 1;
 
-  // Panos: In phy_stub_UE (MAC-to-MAC) mode these init functions don't need to get called. Is this correct?
+  // In phy_stub_UE (MAC-to-MAC) mode these init functions don't need to get called. Is this correct?
   if (nfapi_mode!=3)
     {
       // initialize all signal buffers
@@ -285,7 +285,7 @@ void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correcti
 #endif
 }
 
-// Panos: Initiating all UEs within a single set of threads for PHY_STUB. Future extensions -> multiple
+// Initiating all UEs within a single set of threads for PHY_STUB. Future extensions -> multiple
 // set of threads for multiple UEs.
 void init_UE_stub_single_thread(int nb_inst,int eMBMS_active, int uecap_xer_in, char *emul_iface) {
 
@@ -931,8 +931,6 @@ static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg) {
       LOG_E( MAC, "[SCHED][UE] error unlocking mutex for UE RXn_TXnp4\n" );
       exit_fun("nothing to add");
     }
-    LOG_D(MAC," Panos-D [UE_phy_stub_thread_rxn_txnp4 1] Frame: %d, Subframe: %d \n" "\n" "\n", timer_frame, timer_subframe);
-
 
     proc->subframe_rx=timer_subframe;
     proc->frame_rx = timer_frame;
@@ -943,14 +941,14 @@ static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg) {
 
     oai_subframe_ind(timer_frame, timer_subframe);
 
-    // Panos: Guessing that the next 4 lines are not needed for the phy_stub mode.
+    //Guessing that the next 4 lines are not needed for the phy_stub mode.
     /*initRefTimes(t2);
       initRefTimes(t3);
       pickTime(current);
       updateTimes(proc->gotIQs, &t2, 10000, "Delay to wake up UE_Thread_Rx (case 2)");*/
 
 
-    	//Panos: Not sure whether we should put the memory allocation here and not sure how much memory
+    	// Not sure whether we should put the memory allocation here and not sure how much memory
         //we should allocate for each subframe cycle.
     	UL_INFO = (UL_IND_t*)malloc(sizeof(UL_IND_t));
 
@@ -1082,7 +1080,7 @@ static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg) {
 	    //ue_prach_procedures(ue,proc,eNB_id,abstraction_flag,mode);
 	  }
 	} // mode is PRACH
-	// Panos: Substitute call to phy_procedures Tx with call to phy_stub functions in order to trigger
+	// Substitute call to phy_procedures Tx with call to phy_stub functions in order to trigger
 	// UE Tx procedures directly at the MAC layer, based on the received ul_config requests from the vnf (eNB).
 	// Generate UL_indications which correspond to UL traffic.
 	if(ul_config_req!=NULL){ //&& UE_mac_inst[Mod_id].ul_config_req->ul_config_request_body.ul_config_pdu_list != NULL){
@@ -1222,7 +1220,7 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg) {
   phy_stub_ticking->ticking_var = -1;
   proc->subframe_rx=proc->sub_frame_start;
 
-  //PANOS: CAREFUL HERE!
+  // CAREFUL HERE!
   wait_sync("UE_phy_stub_thread_rxn_txnp4");
 
   while (!oai_exit) {
@@ -1242,8 +1240,6 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg) {
       LOG_E( MAC, "[SCHED][UE] error unlocking mutex for UE RXn_TXnp4\n" );
       exit_fun("nothing to add");
     }
-    LOG_D(MAC," Panos-D [UE_phy_stub_thread_rxn_txnp4 1] Frame: %d, Subframe: %d \n" "\n" "\n", timer_frame, timer_subframe);
-
 
     proc->subframe_rx=timer_subframe;
     proc->frame_rx = timer_frame;
@@ -1286,7 +1282,6 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg) {
       }
       //if(UE_mac_inst[Mod_id].hi_dci0_req!= NULL){
       if (hi_dci0_req!=NULL && hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list!=NULL){
-    	  LOG_I( MAC, "Panos-D: UE_phy_stub_thread_rxn_txnp4 after oai_subframe_ind 4 \n");
     	  hi_dci0_req_UE_MAC(hi_dci0_req, Mod_id);
     	  //if(UE_mac_inst[Mod_id].hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list!=NULL){
     		  free(hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list);
@@ -1350,7 +1345,6 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg) {
       if (UE->mode != loop_through_memory){
 
 	if ((UE_mac_inst[Mod_id].UE_mode[0] == PRACH) ) {
-	  //LOG_D(MAC, "Panos-D: UE_phy_stub_thread_rxn_txnp4 before RACH \n");
 
 	  // check if we have PRACH opportunity
 
@@ -1365,7 +1359,7 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg) {
 	    //ue_prach_procedures(ue,proc,eNB_id,abstraction_flag,mode);
 	  }
 	} // mode is PRACH
-	// Panos: Substitute call to phy_procedures Tx with call to phy_stub functions in order to trigger
+	// Substitute call to phy_procedures Tx with call to phy_stub functions in order to trigger
 	// UE Tx procedures directly at the MAC layer, based on the received ul_config requests from the vnf (eNB).
 	// Generate UL_indications which correspond to UL traffic.
 	if(ul_config_req!= NULL && ul_config_req->ul_config_request_body.ul_config_pdu_list != NULL){
@@ -1751,12 +1745,12 @@ void init_UE_single_thread_stub(int nb_inst) {
   pthread_attr_init (&UE->proc.attr_ue);
   pthread_attr_setstacksize(&UE->proc.attr_ue,8192);//5*PTHREAD_STACK_MIN);
 
-  // Panos: Don't need synch for phy_stub mode
+  // Don't need synch for phy_stub mode
   //pthread_mutex_init(&UE->proc.mutex_synch,NULL);
   //pthread_cond_init(&UE->proc.cond_synch,NULL);
 
   // the threads are not yet active, therefore access is allowed without locking
-  // Panos: In phy_stub_UE mode due to less heavy processing operations we don't need two threads
+  // In phy_stub_UE mode due to less heavy processing operations we don't need two threads
   //int nb_threads=RX_NB_TH;
   int nb_threads=1;
   for (int i=0; i<nb_threads; i++) {
@@ -1773,7 +1767,7 @@ void init_UE_single_thread_stub(int nb_inst) {
     pthread_create(&UE->proc.proc_rxtx[i].pthread_rxtx, NULL, UE_phy_stub_single_thread_rxn_txnp4, rtd);
 
   }
-  // Panos: Remove thread for UE_sync in phy_stub_UE mode.
+  // Remove thread for UE_sync in phy_stub_UE mode.
   //pthread_create(&UE->proc.pthread_synch,NULL,UE_thread_synch,(void*)UE);
 }
 
@@ -1803,12 +1797,12 @@ void init_UE_threads_stub(int inst) {
   pthread_attr_init (&UE->proc.attr_ue);
   pthread_attr_setstacksize(&UE->proc.attr_ue,8192);//5*PTHREAD_STACK_MIN);
 
-  // Panos: Don't need synch for phy_stub mode
+  // Don't need synch for phy_stub mode
   //pthread_mutex_init(&UE->proc.mutex_synch,NULL);
   //pthread_cond_init(&UE->proc.cond_synch,NULL);
 
   // the threads are not yet active, therefore access is allowed without locking
-  // Panos: In phy_stub_UE mode due to less heavy processing operations we don't need two threads
+  // In phy_stub_UE mode due to less heavy processing operations we don't need two threads
   //int nb_threads=RX_NB_TH;
   int nb_threads=1;
   for (int i=0; i<nb_threads; i++) {
@@ -1826,7 +1820,7 @@ void init_UE_threads_stub(int inst) {
 
 
   }
-  // Panos: Remove thread for UE_sync in phy_stub_UE mode.
+  // Remove thread for UE_sync in phy_stub_UE mode.
   //pthread_create(&UE->proc.pthread_synch,NULL,UE_thread_synch,(void*)UE);
 }
 
@@ -1906,168 +1900,6 @@ int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg)
 
 
 
-/*static void* timer_thread( void* param ) {
-  thread_top_init("timer_thread",1,870000L,1000000L,1000000L);
-  timer_subframe =9;
-  timer_frame    =1023;
-  //phy_stub_ticking = (SF_ticking*)malloc(sizeof(SF_ticking));
-  phy_stub_ticking->ticking_var = -1;
-  PHY_VARS_UE *UE;
-  UE = PHY_vars_UE_g[0][0];
-  double t_diff;
-  int external_timer = 0;
-
-
-  //struct timespec pselect_start;
-
-
-  //struct timespec sf_duration;
-  //sf_duration.tv_sec = 0;
-  //sf_duration.tv_nsec = 1e6;
-
-
-  wait_sync("timer_thread");
-
-  //pthread_mutex_init(&phy_stub_ticking->mutex_ticking,NULL);
-  //pthread_cond_init(&phy_stub_ticking->cond_ticking,NULL);
-
-  //  struct timespec start = {0};
-  //  struct timespec end = {0};
-  //sleepValue.tv_nsec = 1000000;
-  opp_enabled = 1;
-
-  // first check if we are receiving timing indications
-  if(nfapi_mode==4) {
-  usleep(10000);
-  if (UE->instance_cnt_timer > 0) {
-    external_timer = 1;
-    int absSFm1 = ((emulator_absSF+10239)%10240);
-    timer_frame = absSFm1/10;
-    timer_subframe = absSFm1%10;
-    pthread_mutex_lock(&UE->timer_mutex);
-    UE->instance_cnt_timer = -1;
-    pthread_mutex_unlock(&UE->timer_mutex);
-    LOG_I(PHY,"Running with external timer\n");
-  }
-  else LOG_I(PHY,"Running with internal timer\n");
-  }
-
-  struct timespec t_start;
-  struct timespec t_now;
-  struct timespec t_sleep;
-  uint64_t T_0;
-  uint64_t T_now;
-  uint64_t T_next_SF;
-  uint64_t T_sleep;
-  uint64_t sf_cnt = 0; //Total Subframe counter
-
-  clock_gettime(CLOCK_MONOTONIC, &t_start);
-  T_0 = (uint64_t) t_start.tv_sec*1000000000 + t_start.tv_nsec;
-  LOG_I(MAC, "Panos-D: timer_thread(), T_0 value: %" PRId64 "\n", T_0);
-  //printf("%" PRId64 "\n", t);
-
-  while (!oai_exit) {
-
-    // these are local subframe/frame counters to check that we are in synch with the fronthaul timing.
-    // They are set on the first rx/tx in the underly FH routines.
-    if (timer_subframe==9) {
-      timer_subframe=0;
-      timer_frame++;
-      timer_frame&=1023;
-    } else {
-      timer_subframe++;
-    }
-    //printf("[timer_thread] Frame: %d, Subframe: %d \n", timer_frame, timer_subframe);
-    //LOG_I(MAC," Panos-D [timer_thread] Frame: %d, Subframe: %d \n", timer_frame, timer_subframe);
-    //AssertFatal( 0 == pthread_cond_signal(&phy_stub_ticking->cond_ticking), "");
-    AssertFatal(pthread_mutex_lock(&phy_stub_ticking->mutex_ticking) ==0,"");
-    phy_stub_ticking->ticking_var++;
-    // This should probably be a call to pthread_cond_broadcast when we introduce support for multiple UEs (threads)
-    if(phy_stub_ticking->ticking_var == 0){
-      //AssertFatal(phy_stub_ticking->ticking_var == 0,"phy_stub_ticking->ticking_var = %d",
-      		//phy_stub_ticking->ticking_var);
-      if (pthread_cond_signal(&phy_stub_ticking->cond_ticking) != 0) {
-	//LOG_E( PHY, "[SCHED][UE %d] ERROR pthread_cond_signal for UE RX thread\n", UE->Mod_id);
-	LOG_E( PHY, "timer_thread ERROR pthread_cond_signal for UE_thread\n");
-	exit_fun("nothing to add");
-      }
-    }
-    else
-    	LOG_I(MAC, "Panos-D: timer_thread() Timing problem! \n");
-
-    AssertFatal(pthread_mutex_unlock(&phy_stub_ticking->mutex_ticking) ==0,"");
-    start_meas(&UE->timer_stats);
-
-
-    //clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start); // get initial time-stamp
-    if (external_timer == 0) {
-    	sf_cnt++;
-    	T_next_SF = T_0 + sf_cnt*1000000;
-    	do{
-    	clock_gettime(CLOCK_MONOTONIC, &t_now);
-    	T_now =(uint64_t) t_now.tv_sec*1000000000 + t_now.tv_nsec;
-    	}while(T_now < T_next_SF);
-      //usleep(1000);
-      UE_tport_t pdu;
-      pdu.header.packet_type = TTI_SYNC;
-      pdu.header.absSF = (timer_frame*10)+timer_subframe;
-      if (nfapi_mode!=3){
-      multicast_link_write_sock(0,
-	  			&pdu,
-				sizeof(UE_tport_header_t));
-				}
-
-    }
-    else {
-      wait_on_condition(&UE->timer_mutex,&UE->timer_cond,&UE->instance_cnt_timer,"timer_thread");
-      release_thread(&UE->timer_mutex,&UE->instance_cnt_timer,"timer_thread");
-    }
-    //clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);   // get final time-stamp
-
-    //double t_ns = (double)(end.tv_sec - start.tv_sec) * 1.0e9 +
-    //              (double)(end.tv_nsec - start.tv_nsec);
-    //printf("Panos-D: [timer_thread] REAL TIME difference: %f", t_ns);
-
-
-    stop_meas(&UE->timer_stats);
-    t_diff = get_time_meas_us(&UE->timer_stats);
-
-    //printf("Panos-D: Absolute time: %lld, diff: %lld, diff_now: %lld \n",UE->timer_stats.p_time, UE->timer_stats.diff, UE->timer_stats.diff_now);
-    //LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",module_idP);
-    //if (t_diff > 1100)
-
-
-    //    LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-	    //LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-
-    //printf("Panos-D: Absolute time: %f", t_diff);
-
-
-    stop_meas(&UE->timer_stats);
-    t_diff = get_time_meas_us(&UE->timer_stats);
-    //printf("Panos-D: Absolute time: %lld, diff: %lld, diff_now: %lld \n",UE->timer_stats.p_time, UE->timer_stats.diff, UE->timer_stats.diff_now);
-    //LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",module_idP);
-    //if (t_diff > 1100) LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-    //printf("Panos-D: Absolute time: %f", t_diff);
-
-    //UE->proc.ticking_var++;
-    // pthread_cond_signal() //Send signal to ue_thread()?
-    // We also need to somehow pass the information of SFN/SF
-  }
-  free(phy_stub_ticking);
-  pthread_cond_destroy(&phy_stub_ticking->cond_ticking);
-  pthread_mutex_destroy(&phy_stub_ticking->mutex_ticking);
-  return 0;
-
-}*/
-
-
-
-
-
-
-
-
 
 // Panos: This timer thread is used only in the phy_stub mode as an independent timer
 // which will be ticking and provide the SFN/SF values that will be used from the UE threads
@@ -2198,151 +2030,6 @@ static void* timer_thread( void* param ) {
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/*static void* timer_thread( void* param ) {
-  thread_top_init("timer_thread",1,870000L,1000000L,1000000L);
-  timer_subframe =9;
-  timer_frame    =1023;
-  //phy_stub_ticking = (SF_ticking*)malloc(sizeof(SF_ticking));
-  phy_stub_ticking->ticking_var = -1;
-  PHY_VARS_UE *UE;
-  UE = PHY_vars_UE_g[0][0];
-  double t_diff;
-  int external_timer = 0;
-
-  wait_sync("timer_thread");
-
-  //pthread_mutex_init(&phy_stub_ticking->mutex_ticking,NULL);
-  //pthread_cond_init(&phy_stub_ticking->cond_ticking,NULL);
-
-  //  struct timespec start = {0};
-  //  struct timespec end = {0};
-  //sleepValue.tv_nsec = 1000000;
-  opp_enabled = 1;
-
-  // first check if we are receiving timing indications
-  if(nfapi_mode==4) {
-  usleep(10000);
-  if (UE->instance_cnt_timer > 0) {
-    external_timer = 1;
-    int absSFm1 = ((emulator_absSF+10239)%10240);
-    timer_frame = absSFm1/10;
-    timer_subframe = absSFm1%10;
-    pthread_mutex_lock(&UE->timer_mutex);
-    UE->instance_cnt_timer = -1;
-    pthread_mutex_unlock(&UE->timer_mutex);
-    LOG_I(PHY,"Running with external timer\n");
-  }
-  else LOG_I(PHY,"Running with internal timer\n");
-  }
-
-  while (!oai_exit) {
-
-    // these are local subframe/frame counters to check that we are in synch with the fronthaul timing.
-    // They are set on the first rx/tx in the underly FH routines.
-    if (timer_subframe==9) {
-      timer_subframe=0;
-      timer_frame++;
-      timer_frame&=1023;
-    } else {
-      timer_subframe++;
-    }
-    //printf("[timer_thread] Frame: %d, Subframe: %d \n", timer_frame, timer_subframe);
-    //LOG_I(MAC," Panos-D [timer_thread] Frame: %d, Subframe: %d \n", timer_frame, timer_subframe);
-    //AssertFatal( 0 == pthread_cond_signal(&phy_stub_ticking->cond_ticking), "");
-    AssertFatal(pthread_mutex_lock(&phy_stub_ticking->mutex_ticking) ==0,"");
-    phy_stub_ticking->ticking_var++;
-    // This should probably be a call to pthread_cond_broadcast when we introduce support for multiple UEs (threads)
-    if(phy_stub_ticking->ticking_var == 0){
-      //AssertFatal(phy_stub_ticking->ticking_var == 0,"phy_stub_ticking->ticking_var = %d",
-      //		phy_stub_ticking->ticking_var);
-      if (pthread_cond_signal(&phy_stub_ticking->cond_ticking) != 0) {
-	//LOG_E( PHY, "[SCHED][UE %d] ERROR pthread_cond_signal for UE RX thread\n", UE->Mod_id);
-	LOG_E( PHY, "timer_thread ERROR pthread_cond_signal for UE_thread\n");
-	exit_fun("nothing to add");
-      }
-    }
-
-    AssertFatal(pthread_mutex_unlock(&phy_stub_ticking->mutex_ticking) ==0,"");
-    start_meas(&UE->timer_stats);
-
-
-    //clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start); // get initial time-stamp
-    if (external_timer == 0) {
-      usleep(1000);
-      UE_tport_t pdu;
-      pdu.header.packet_type = TTI_SYNC;
-      pdu.header.absSF = (timer_frame*10)+timer_subframe;
-      multicast_link_write_sock(0,
-				&pdu,
-				sizeof(UE_tport_header_t));
-
-    }
-    else {
-      wait_on_condition(&UE->timer_mutex,&UE->timer_cond,&UE->instance_cnt_timer,"timer_thread");
-      release_thread(&UE->timer_mutex,&UE->instance_cnt_timer,"timer_thread");
-    }
-    //clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);   // get final time-stamp
-
-    //double t_ns = (double)(end.tv_sec - start.tv_sec) * 1.0e9 +
-    //              (double)(end.tv_nsec - start.tv_nsec);
-    //printf("Panos-D: [timer_thread] REAL TIME difference: %f", t_ns);
-
-
-    stop_meas(&UE->timer_stats);
-    t_diff = get_time_meas_us(&UE->timer_stats);
-
-    //printf("Panos-D: Absolute time: %lld, diff: %lld, diff_now: %lld \n",UE->timer_stats.p_time, UE->timer_stats.diff, UE->timer_stats.diff_now);
-    //LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",module_idP);
-    //if (t_diff > 1100)
-
-
-    //    LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-	    //LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-
-    //printf("Panos-D: Absolute time: %f", t_diff);
-
-
-    stop_meas(&UE->timer_stats);
-    t_diff = get_time_meas_us(&UE->timer_stats);
-    //printf("Panos-D: Absolute time: %lld, diff: %lld, diff_now: %lld \n",UE->timer_stats.p_time, UE->timer_stats.diff, UE->timer_stats.diff_now);
-    //LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",module_idP);
-    //if (t_diff > 1100) LOG_E(MAC," Panos-D Absolute time: %f\n", t_diff);
-    //printf("Panos-D: Absolute time: %f", t_diff);
-
-    //UE->proc.ticking_var++;
-    // pthread_cond_signal() //Send signal to ue_thread()?
-    // We also need to somehow pass the information of SFN/SF
-  }
-  free(phy_stub_ticking);
-  pthread_cond_destroy(&phy_stub_ticking->cond_ticking);
-  pthread_mutex_destroy(&phy_stub_ticking->mutex_ticking);
-  return 0;
-
-}*/
-
-
-
-
-
-
-
-
 int init_timer_thread(void) {
   //PHY_VARS_UE *UE=PHY_vars_UE_g[0];
 	PHY_VARS_UE *UE=PHY_vars_UE_g[0][0];
diff --git a/targets/RT/USER/lte-uesoftmodem.c b/targets/RT/USER/lte-uesoftmodem.c
index f3d62f489a..46d47e076c 100644
--- a/targets/RT/USER/lte-uesoftmodem.c
+++ b/targets/RT/USER/lte-uesoftmodem.c
@@ -827,7 +827,7 @@ int main( int argc, char **argv )
 
   printf("NFAPI_MODE value: %d \n", nfapi_mode);
 
-  // Panos: Not sure if the following is needed here
+  // Not sure if the following is needed here
   /*if (CONFIG_ISFLAGSET(CONFIG_ABORT)) {
       if (UE_flag == 0) {
         fprintf(stderr,"Getting configuration failed\n");
@@ -938,29 +938,6 @@ int main( int argc, char **argv )
   printf("Before CC \n");
 
 
-
-  // Panos: From old version
-  /*if (UE_flag==1) {
-	  PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE**)*NB_UE_INST);
-	  for (int i=0; i<NB_UE_INST; i++) {
-		  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
-
-			  PHY_vars_UE_g[i] = malloc(sizeof(PHY_VARS_UE*)*MAX_NUM_CCs);
-			  PHY_vars_UE_g[i][CC_id] = init_ue_vars(frame_parms[CC_id], i,abstraction_flag);
-
-			  UE[CC_id] = PHY_vars_UE_g[i][CC_id];
-			  printf("PHY_vars_UE_g[inst][%d] = %p\n",CC_id,UE[CC_id]);
-
-			  if (phy_test==1)
-				  UE[CC_id]->mac_enabled = 0;
-			  else
-				  UE[CC_id]->mac_enabled = 1;
-		  }
-	  }
-  }*/
-
-
-
   //NB_UE_INST=1;
   NB_INST=1;
   if(nfapi_mode == 3){
@@ -1093,7 +1070,7 @@ int main( int argc, char **argv )
       printf("cannot create ITTI tasks\n");
       exit(-1); // need a softer mode
     }
-    if(nfapi_mode==3){ //Panos: Here we should add another nfapi_mode for the case of Supervised LTE-D2D
+    if(nfapi_mode==3){ // Here we should add another nfapi_mode for the case of Supervised LTE-D2D
     	UE_config_stub_pnf();
     }
     printf("ITTI tasks created\n");
@@ -1101,7 +1078,7 @@ int main( int argc, char **argv )
 
   // init UE_PF_PO and mutex lock
   pthread_mutex_init(&ue_pf_po_mutex, NULL);
-  memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*NUMBER_OF_UE_MAX*MAX_NUM_CCs);
+  memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*MAX_MOBILES_PER_ENB*MAX_NUM_CCs);
   
   mlockall(MCL_CURRENT | MCL_FUTURE);
   
@@ -1144,7 +1121,7 @@ int main( int argc, char **argv )
     {
     	config_sync_var=0;
     	wait_nfapi_init("main?");
-    	//Panos: Temporarily we will be using single set of threads for multiple UEs.
+    	// Temporarily we will be using single set of threads for multiple UEs.
     	//init_UE_stub(1,eMBMS_active,uecap_xer_in,emul_iface);
     	init_UE_stub_single_thread(NB_UE_INST,eMBMS_active,uecap_xer_in,emul_iface);
     }
-- 
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