diff --git a/targets/RT/USER/ru_control.c b/targets/RT/USER/ru_control.c
new file mode 100644
index 0000000000000000000000000000000000000000..bc2224cdcd2e120ec1489882444066d6d917be7f
--- /dev/null
+++ b/targets/RT/USER/ru_control.c
@@ -0,0 +1,757 @@
+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+ 
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+    included in this distribution in the file called "COPYING". If not,
+    see <http://www.gnu.org/licenses/>.
+
+   Contact Information
+   OpenAirInterface Admin: openair_admin@eurecom.fr
+   OpenAirInterface Tech : openair_tech@eurecom.fr
+   OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+   Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
+
+*******************************************************************************/
+
+/*! \file lte-ru.c
+ * \brief Top-level threads for RU entity
+ * \author R. Knopp, F. Kaltenberger, Navid Nikaein
+ * \date 2012
+ * \version 0.1
+ * \company Eurecom
+ * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
+ * \note
+ * \warning
+ */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sched.h>
+#include <linux/sched.h>
+#include <signal.h>
+#include <execinfo.h>
+#include <getopt.h>
+#include <sys/sysinfo.h>
+#include "rt_wrapper.h"
+
+#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
+
+#include "assertions.h"
+#include "msc.h"
+
+#include "PHY/types.h"
+
+#include "PHY/defs_common.h"
+#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
+
+
+#include "../../ARCH/COMMON/common_lib.h"
+#include "../../ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
+
+#include "PHY/LTE_TRANSPORT/if4_tools.h"
+#include "PHY/LTE_TRANSPORT/if5_tools.h"
+
+#include "PHY/phy_extern.h"
+#include "LAYER2/MAC/mac_extern.h"
+#include "PHY/LTE_TRANSPORT/transport_proto.h"
+#include "SCHED/sched_eNB.h"
+#include "PHY/LTE_ESTIMATION/lte_estimation.h"
+#include "PHY/INIT/phy_init.h"
+
+#include "LAYER2/MAC/mac.h"
+#include "LAYER2/MAC/mac_extern.h"
+#include "LAYER2/MAC/mac_proto.h"
+#include "RRC/LTE/rrc_extern.h"
+#include "PHY_INTERFACE/phy_interface.h"
+
+#include "UTIL/LOG/log_extern.h"
+#include "UTIL/OTG/otg_tx.h"
+#include "UTIL/OTG/otg_externs.h"
+#include "UTIL/MATH/oml.h"
+#include "UTIL/LOG/vcd_signal_dumper.h"
+#include "UTIL/OPT/opt.h"
+#include "enb_config.h"
+
+void configure_ru(int idx,
+		  void *arg);
+
+void configure_rru(int idx,
+		   void *arg);
+
+int attach_rru(RU_t *ru);
+
+void fill_rf_config(RU_t *ru, char *rf_config_file);
+
+void* ru_thread_control( void* param );
+
+extern void  phy_init_RU(RU_t*);
+
+extern const char ru_states[6][9];
+const char rru_format_options[4][20] = {"OAI_IF5_only","OAI_IF4p5_only","OAI_IF5_and_IF4p5","MBP_IF5"};
+const char rru_formats[3][20] = {"OAI_IF5","MBP_IF5","OAI_IF4p5"};
+const char ru_if_formats[4][20] = {"LOCAL_RF","REMOTE_OAI_IF5","REMOTE_MBP_IF5","REMOTE_OAI_IF4p5"};
+
+extern int oai_exit;
+extern void wait_eNBs(void);
+
+int send_tick(RU_t *ru){
+  
+  RRU_CONFIG_msg_t rru_config_msg;
+
+  rru_config_msg.type = RAU_tick; 
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE;
+
+  LOG_I(PHY,"Sending RAU tick to RRU %d\n",ru->idx);
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+	      "RU %d cannot access remote radio\n",ru->idx);
+
+  return 0;
+}
+
+int send_config(RU_t *ru, RRU_CONFIG_msg_t rru_config_msg){
+
+
+  rru_config_msg.type = RRU_config;
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_config_t);
+
+  LOG_I(PHY,"Sending Configuration to RRU %d (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d\n",ru->idx,
+	((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
+	((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
+
+
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+	      "RU %d failed send configuration to remote radio\n",ru->idx);
+
+  return 0;
+
+}
+
+int send_capab(RU_t *ru){
+
+  RRU_CONFIG_msg_t rru_config_msg; 
+  RRU_capabilities_t *cap;
+  int i=0;
+
+  rru_config_msg.type = RRU_capabilities; 
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
+  cap                 = (RRU_capabilities_t*)&rru_config_msg.msg[0];
+  LOG_I(PHY,"Sending Capabilities (len %d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",
+	(int)rru_config_msg.len,ru->num_bands,ru->max_pdschReferenceSignalPower,ru->max_rxgain,ru->nb_tx,ru->nb_rx);
+  switch (ru->function) {
+  case NGFI_RRU_IF4p5:
+    cap->FH_fmt                                   = OAI_IF4p5_only;
+    break;
+  case NGFI_RRU_IF5:
+    cap->FH_fmt                                   = OAI_IF5_only;
+    break;
+  case MBP_RRU_IF5:
+    cap->FH_fmt                                   = MBP_IF5;
+    break;
+  default:
+    AssertFatal(1==0,"RU_function is unknown %d\n",RC.ru[0]->function);
+    break;
+  }
+  cap->num_bands                                  = ru->num_bands;
+  for (i=0;i<ru->num_bands;i++) {
+    LOG_I(PHY,"Band %d: nb_rx %d nb_tx %d pdschReferenceSignalPower %d rxgain %d\n",
+	  ru->band[i],ru->nb_rx,ru->nb_tx,ru->max_pdschReferenceSignalPower,ru->max_rxgain);
+    cap->band_list[i]                             = ru->band[i];
+    cap->nb_rx[i]                                 = ru->nb_rx;
+    cap->nb_tx[i]                                 = ru->nb_tx;
+    cap->max_pdschReferenceSignalPower[i]         = ru->max_pdschReferenceSignalPower;
+    cap->max_rxgain[i]                            = ru->max_rxgain;
+  }
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+	      "RU %d failed send capabilities to RAU\n",ru->idx);
+
+  return 0;
+
+}
+
+int attach_rru(RU_t *ru) {
+  
+  ssize_t      msg_len,len;
+  RRU_CONFIG_msg_t rru_config_msg;
+  int received_capabilities=0;
+
+  wait_eNBs();
+  // Wait for capabilities
+  while (received_capabilities==0) {
+    
+    memset((void*)&rru_config_msg,0,sizeof(rru_config_msg));
+    rru_config_msg.type = RAU_tick; 
+    rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE;
+    LOG_I(PHY,"Sending RAU tick to RRU %d\n",ru->idx);
+    AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+		"RU %d cannot access remote radio\n",ru->idx);
+
+    msg_len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
+
+    // wait for answer with timeout  
+    if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
+					     &rru_config_msg,
+					     msg_len))<0) {
+      LOG_I(PHY,"Waiting for RRU %d\n",ru->idx);     
+    }
+    else if (rru_config_msg.type == RRU_capabilities) {
+      AssertFatal(rru_config_msg.len==msg_len,"Received capabilities with incorrect length (%d!=%d)\n",(int)rru_config_msg.len,(int)msg_len);
+      LOG_I(PHY,"Received capabilities from RRU %d (len %d/%d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",ru->idx,
+	    (int)rru_config_msg.len,(int)msg_len,
+	    ((RRU_capabilities_t*)&rru_config_msg.msg[0])->num_bands,
+	    ((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_pdschReferenceSignalPower[0],
+	    ((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_rxgain[0],
+	    ((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_tx[0],
+	    ((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_rx[0]);
+      received_capabilities=1;
+    }
+    else {
+      LOG_E(PHY,"Received incorrect message %d from RRU %d\n",rru_config_msg.type,ru->idx); 
+    }
+  }
+  configure_ru(ru->idx,
+	       (RRU_capabilities_t *)&rru_config_msg.msg[0]);
+		    
+  rru_config_msg.type = RRU_config;
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_config_t);
+  LOG_I(PHY,"Sending Configuration to RRU %d (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d)\n",ru->idx,
+	((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
+	((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
+	((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
+
+
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+	      "RU %d failed send configuration to remote radio\n",ru->idx);
+
+  return 0;
+}
+
+int connect_rau(RU_t *ru) {
+
+  RRU_CONFIG_msg_t   rru_config_msg;
+  ssize_t	     msg_len;
+  int                tick_received          = 0;
+  int                configuration_received = 0;
+  RRU_capabilities_t *cap;
+  int                i;
+  int                len;
+
+  // wait for RAU_tick
+  while (tick_received == 0) {
+
+    msg_len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE;
+
+    if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
+					     &rru_config_msg,
+					     msg_len))<0) {
+      LOG_I(PHY,"Waiting for RAU\n");     
+    }
+    else {
+      if (rru_config_msg.type == RAU_tick) {
+	LOG_I(PHY,"Tick received from RAU\n");
+	tick_received = 1;
+      }
+      else LOG_E(PHY,"Received erroneous message (%d)from RAU, expected RAU_tick\n",rru_config_msg.type);
+    }
+  }
+
+  // send capabilities
+
+  rru_config_msg.type = RRU_capabilities; 
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
+  cap                 = (RRU_capabilities_t*)&rru_config_msg.msg[0];
+  LOG_I(PHY,"Sending Capabilities (len %d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",
+	(int)rru_config_msg.len,ru->num_bands,ru->max_pdschReferenceSignalPower,ru->max_rxgain,ru->nb_tx,ru->nb_rx);
+  switch (ru->function) {
+  case NGFI_RRU_IF4p5:
+    cap->FH_fmt                                   = OAI_IF4p5_only;
+    break;
+  case NGFI_RRU_IF5:
+    cap->FH_fmt                                   = OAI_IF5_only;
+    break;
+  case MBP_RRU_IF5:
+    cap->FH_fmt                                   = MBP_IF5;
+    break;
+  default:
+    AssertFatal(1==0,"RU_function is unknown %d\n",RC.ru[0]->function);
+    break;
+  }
+  cap->num_bands                                  = ru->num_bands;
+  for (i=0;i<ru->num_bands;i++) {
+    LOG_I(PHY,"Band %d: nb_rx %d nb_tx %d pdschReferenceSignalPower %d rxgain %d\n",
+	  ru->band[i],ru->nb_rx,ru->nb_tx,ru->max_pdschReferenceSignalPower,ru->max_rxgain);
+    cap->band_list[i]                             = ru->band[i];
+    cap->nb_rx[i]                                 = ru->nb_rx;
+    cap->nb_tx[i]                                 = ru->nb_tx;
+    cap->max_pdschReferenceSignalPower[i]         = ru->max_pdschReferenceSignalPower;
+    cap->max_rxgain[i]                            = ru->max_rxgain;
+  }
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+	      "RU %d failed send capabilities to RAU\n",ru->idx);
+
+  // wait for configuration
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_config_t);
+  while (configuration_received == 0) {
+
+    if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
+					     &rru_config_msg,
+					     rru_config_msg.len))<0) {
+      LOG_I(PHY,"Waiting for configuration from RAU\n");     
+    }    
+    else {
+      LOG_I(PHY,"Configuration received from RAU  (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d)\n",
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
+	    ((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
+      
+      configure_rru(ru->idx,
+		    (void*)&rru_config_msg.msg[0]);
+      configuration_received = 1;
+    }
+  }
+  return 0;
+}
+
+int check_capabilities(RU_t *ru,RRU_capabilities_t *cap) {
+
+  FH_fmt_options_t fmt = cap->FH_fmt;
+
+  int i;
+  int found_band=0;
+
+  LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->frame_parms.eutra_band);
+  for (i=0;i<cap->num_bands;i++) {
+    LOG_I(PHY,"band %d on RRU %d\n",cap->band_list[i],ru->idx);
+    if (ru->frame_parms.eutra_band == cap->band_list[i]) {
+      found_band=1;
+      break;
+    }
+  }
+
+  if (found_band == 0) {
+    LOG_I(PHY,"Couldn't find target EUTRA band %d on RRU %d\n",ru->frame_parms.eutra_band,ru->idx);
+    return(-1);
+  }
+
+  switch (ru->if_south) {
+  case LOCAL_RF:
+    AssertFatal(1==0, "This RU should not have a local RF, exiting\n");
+    return(0);
+    break;
+  case REMOTE_IF5:
+    if (fmt == OAI_IF5_only || fmt == OAI_IF5_and_IF4p5) return(0);
+    break;
+  case REMOTE_IF4p5:
+    if (fmt == OAI_IF4p5_only || fmt == OAI_IF5_and_IF4p5) return(0);
+    break;
+  case REMOTE_MBP_IF5:
+    if (fmt == MBP_IF5) return(0);
+    break;
+  default:
+    LOG_I(PHY,"No compatible Fronthaul interface found for RRU %d\n", ru->idx);
+    return(-1);
+  }
+
+  return(-1);
+}
+
+void configure_ru(int idx,
+		  void *arg) {
+
+  RU_t               *ru           = RC.ru[idx];
+  RRU_config_t       *config       = (RRU_config_t *)arg;
+  RRU_capabilities_t *capabilities = (RRU_capabilities_t*)arg;
+  int ret;
+
+  LOG_I(PHY, "Received capabilities from RRU %d\n",idx);
+
+
+  if (capabilities->FH_fmt < MAX_FH_FMTs) LOG_I(PHY, "RU FH options %s\n",rru_format_options[capabilities->FH_fmt]);
+
+  AssertFatal((ret=check_capabilities(ru,capabilities)) == 0,
+	      "Cannot configure RRU %d, check_capabilities returned %d\n", idx,ret);
+  // take antenna capabilities of RRU
+  ru->nb_tx                      = capabilities->nb_tx[0];
+  ru->nb_rx                      = capabilities->nb_rx[0];
+
+  // Pass configuration to RRU
+  LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->frame_parms.eutra_band);
+  // wait for configuration 
+  config->FH_fmt                 = ru->if_south;
+  config->num_bands              = 1;
+  config->band_list[0]           = ru->frame_parms.eutra_band;
+  config->tx_freq[0]             = ru->frame_parms.dl_CarrierFreq;      
+  config->rx_freq[0]             = ru->frame_parms.ul_CarrierFreq;      
+  config->tdd_config[0]          = ru->frame_parms.tdd_config;
+  config->tdd_config_S[0]        = ru->frame_parms.tdd_config_S;
+  config->att_tx[0]              = ru->att_tx;
+  config->att_rx[0]              = ru->att_rx;
+  config->N_RB_DL[0]             = ru->frame_parms.N_RB_DL;
+  config->N_RB_UL[0]             = ru->frame_parms.N_RB_UL;
+  config->threequarter_fs[0]     = ru->frame_parms.threequarter_fs;
+  if (ru->if_south==REMOTE_IF4p5) {
+    config->prach_FreqOffset[0]  = ru->frame_parms.prach_config_common.prach_ConfigInfo.prach_FreqOffset;
+    config->prach_ConfigIndex[0] = ru->frame_parms.prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
+    LOG_I(PHY,"REMOTE_IF4p5: prach_FrequOffset %d, prach_ConfigIndex %d\n",
+	  config->prach_FreqOffset[0],config->prach_ConfigIndex[0]);
+    
+#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
+    int i;
+    for (i=0;i<4;i++) {
+      config->emtc_prach_CElevel_enable[0][i]  = ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[i];
+      config->emtc_prach_FreqOffset[0][i]      = ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[i];
+      config->emtc_prach_ConfigIndex[0][i]     = ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[i];
+    }
+#endif
+  }
+
+  init_frame_parms(&ru->frame_parms,1);
+  phy_init_RU(ru);
+}
+
+void configure_rru(int idx,
+		   void *arg) {
+
+  RRU_config_t *config = (RRU_config_t *)arg;
+  RU_t         *ru         = RC.ru[idx];
+
+  ru->frame_parms.eutra_band                                               = config->band_list[0];
+  ru->frame_parms.dl_CarrierFreq                                           = config->tx_freq[0];
+  ru->frame_parms.ul_CarrierFreq                                           = config->rx_freq[0];
+  if (ru->frame_parms.dl_CarrierFreq == ru->frame_parms.ul_CarrierFreq) {
+    ru->frame_parms.frame_type                                            = TDD;
+    ru->frame_parms.tdd_config                                            = config->tdd_config[0];
+    ru->frame_parms.tdd_config_S                                          = config->tdd_config_S[0]; 
+  }
+  else
+    ru->frame_parms.frame_type                                            = FDD;
+  ru->att_tx                                                               = config->att_tx[0];
+  ru->att_rx                                                               = config->att_rx[0];
+  ru->frame_parms.N_RB_DL                                                  = config->N_RB_DL[0];
+  ru->frame_parms.N_RB_UL                                                  = config->N_RB_UL[0];
+  ru->frame_parms.threequarter_fs                                          = config->threequarter_fs[0];
+  ru->frame_parms.pdsch_config_common.referenceSignalPower                 = ru->max_pdschReferenceSignalPower-config->att_tx[0];
+  if (ru->function==NGFI_RRU_IF4p5) {
+    ru->frame_parms.att_rx = ru->att_rx;
+    ru->frame_parms.att_tx = ru->att_tx;
+
+    LOG_I(PHY,"Setting ru->function to NGFI_RRU_IF4p5, prach_FrequOffset %d, prach_ConfigIndex %d, att (%d,%d)\n",
+	  config->prach_FreqOffset[0],config->prach_ConfigIndex[0],ru->att_tx,ru->att_rx);
+    ru->frame_parms.prach_config_common.prach_ConfigInfo.prach_FreqOffset  = config->prach_FreqOffset[0]; 
+    ru->frame_parms.prach_config_common.prach_ConfigInfo.prach_ConfigIndex = config->prach_ConfigIndex[0]; 
+#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
+    for (int i=0;i<4;i++) {
+      ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[i] = config->emtc_prach_CElevel_enable[0][i];
+      ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[i]     = config->emtc_prach_FreqOffset[0][i];
+      ru->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[i]    = config->emtc_prach_ConfigIndex[0][i];
+    }
+#endif
+  }
+  
+  init_frame_parms(&ru->frame_parms,1);
+
+  fill_rf_config(ru,ru->rf_config_file);
+
+
+//  phy_init_RU(ru);
+
+}
+
+
+void* ru_thread_control( void* param ) {
+
+
+  RU_t               *ru      = (RU_t*)param;
+  RU_proc_t          *proc    = &ru->proc;
+  RRU_CONFIG_msg_t   rru_config_msg;
+  ssize_t	     msg_len;
+  int                len, ret;
+
+
+  // Start IF device if any
+  if (ru->start_if) {
+    LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
+    AssertFatal(
+	ru->start_if(ru,NULL) 	== 0, "Could not start the IF device\n");
+
+    if (ru->if_south != LOCAL_RF) wait_eNBs();
+  }
+
+  
+  ru->state = (ru->function==eNodeB_3GPP)? RU_RUN : RU_IDLE;
+  LOG_I(PHY,"Control channel ON for RU %d\n", ru->idx);
+
+  while (!oai_exit) // Change the cond
+    {
+      msg_len  = sizeof(RRU_CONFIG_msg_t); // TODO : check what should be the msg len
+
+      if (ru->state == RU_IDLE && ru->if_south != LOCAL_RF)
+	send_tick(ru);
+
+	
+      if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
+					       &rru_config_msg,
+					       msg_len))<0) {
+	LOG_D(PHY,"Waiting msg for RU %d\n", ru->idx);     
+      }
+      else
+	{
+	  switch(rru_config_msg.type)
+	    {
+	    case RAU_tick:  // RRU
+	      if (ru->if_south != LOCAL_RF){
+		LOG_I(PHY,"Received Tick msg...Ignoring\n");
+	      }else{
+		LOG_I(PHY,"Tick received from RAU\n");
+				
+		if (send_capab(ru) == 0) ru->state = RU_CONFIG;
+	      }				
+	      break;
+
+	    case RRU_capabilities: // RAU
+	      if (ru->if_south == LOCAL_RF) LOG_E(PHY,"Received RRU_capab msg...Ignoring\n");
+	      
+	      else{
+		msg_len  = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
+
+		AssertFatal(rru_config_msg.len==msg_len,"Received capabilities with incorrect length (%d!=%d)\n",(int)rru_config_msg.len,(int)msg_len);
+		LOG_I(PHY,"Received capabilities from RRU %d (len %d/%d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",ru->idx,
+		      (int)rru_config_msg.len,(int)msg_len,
+		      ((RRU_capabilities_t*)&rru_config_msg.msg[0])->num_bands,
+		      ((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_pdschReferenceSignalPower[0],
+		      ((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_rxgain[0],
+		      ((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_tx[0],
+		      ((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_rx[0]);
+
+		configure_ru(ru->idx,(RRU_capabilities_t *)&rru_config_msg.msg[0]);
+
+		// send config
+		if (send_config(ru,rru_config_msg) == 0) ru->state = RU_CONFIG;
+	      }
+
+	      break;
+				
+	    case RRU_config: // RRU
+	      if (ru->if_south == LOCAL_RF){
+		LOG_I(PHY,"Configuration received from RAU  (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d)\n",
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
+		      ((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
+	      
+		configure_rru(ru->idx, (void*)&rru_config_msg.msg[0]);
+
+ 					  
+		fill_rf_config(ru,ru->rf_config_file);
+		init_frame_parms(&ru->frame_parms,1);
+		ru->frame_parms.nb_antennas_rx = ru->nb_rx;
+		phy_init_RU(ru);
+					 
+		//if (ru->is_slave == 1) lte_sync_time_init(&ru->frame_parms);
+
+		if (ru->rfdevice.is_init != 1){
+			ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
+		}
+
+		
+		if (ru->rfdevice.trx_config_func) AssertFatal((ru->rfdevice.trx_config_func(&ru->rfdevice,&ru->openair0_cfg)==0), 
+							      "Failed to configure RF device for RU %d\n",ru->idx);
+
+
+
+
+		if (setup_RU_buffers(ru)!=0) {
+		  printf("Exiting, cannot initialize RU Buffers\n");
+		  exit(-1);
+		}
+
+		// send CONFIG_OK
+
+		rru_config_msg.type = RRU_config_ok; 
+		rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t);
+		LOG_I(PHY,"Sending CONFIG_OK to RAU %d\n", ru->idx);
+
+		AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
+			    "RU %d failed send CONFIG_OK to RAU\n",ru->idx);
+                reset_proc(ru);
+		ru->state = RU_READY;
+	      } else LOG_E(PHY,"Received RRU_config msg...Ignoring\n");
+	      	
+	      break;	
+
+	    case RRU_config_ok: // RAU
+	      if (ru->if_south == LOCAL_RF) LOG_E(PHY,"Received RRU_config_ok msg...Ignoring\n");
+	      else{
+
+		if (setup_RU_buffers(ru)!=0) {
+		  printf("Exiting, cannot initialize RU Buffers\n");
+		  exit(-1);
+		}
+
+		// Set state to RUN for Master RU, Others on SYNC
+		ru->state = (ru->is_slave == 1) ? RU_SYNC : RU_RUN ;
+		ru->in_synch = 0;
+					
+
+		LOG_I(PHY, "Signaling main thread that RU %d (is_slave %d) is ready in state %s\n",ru->idx,ru->is_slave,ru_states[ru->state]);
+		pthread_mutex_lock(&RC.ru_mutex);
+		RC.ru_mask &= ~(1<<ru->idx);
+		pthread_cond_signal(&RC.ru_cond);
+		pthread_mutex_unlock(&RC.ru_mutex);
+					  
+		wait_sync("ru_thread_control");
+
+		// send start
+		rru_config_msg.type = RRU_start;
+		rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t); // TODO: set to correct msg len
+
+ 
+		LOG_I(PHY,"Sending Start to RRU %d\n", ru->idx);
+		AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),"Failed to send msg to RU %d\n",ru->idx);
+
+					
+		pthread_mutex_lock(&proc->mutex_ru);
+		proc->instance_cnt_ru = 1;
+		pthread_mutex_unlock(&proc->mutex_ru);
+		if (pthread_cond_signal(&proc->cond_ru_thread) != 0) {
+		  LOG_E( PHY, "ERROR pthread_cond_signal for RU %d\n",ru->idx);
+		  exit_fun( "ERROR pthread_cond_signal" );
+		  break;
+		}
+	      }		
+	      break;
+
+	    case RRU_start: // RRU
+	      if (ru->if_south == LOCAL_RF){
+		LOG_I(PHY,"Start received from RAU\n");
+				
+		if (ru->state == RU_READY){
+
+		  LOG_I(PHY, "Signaling main thread that RU %d is ready\n",ru->idx);
+		  pthread_mutex_lock(&RC.ru_mutex);
+		  RC.ru_mask &= ~(1<<ru->idx);
+		  pthread_cond_signal(&RC.ru_cond);
+		  pthread_mutex_unlock(&RC.ru_mutex);
+						  
+		  wait_sync("ru_thread_control");
+						
+		  ru->state = (ru->is_slave == 1) ? RU_SYNC : RU_RUN ;
+	          ru->cmd   = EMPTY;			
+		  pthread_mutex_lock(&proc->mutex_ru);
+		  proc->instance_cnt_ru = 1;
+		  pthread_mutex_unlock(&proc->mutex_ru);
+		  if (pthread_cond_signal(&proc->cond_ru_thread) != 0) {
+		    LOG_E( PHY, "ERROR pthread_cond_signal for RU %d\n",ru->idx);
+		    exit_fun( "ERROR pthread_cond_signal" );
+		    break;
+		  }
+		}
+		else LOG_E(PHY,"RRU not ready, cannot start\n"); 
+		
+	      } else LOG_E(PHY,"Received RRU_start msg...Ignoring\n");
+	      
+
+	      break;
+
+	    case RRU_sync_ok: //RAU
+	      if (ru->if_south == LOCAL_RF) LOG_E(PHY,"Received RRU_config_ok msg...Ignoring\n");
+	      else{
+		if (ru->is_slave == 1){
+                  LOG_I(PHY,"Received RRU_sync_ok from RRU %d\n",ru->idx);
+		  // Just change the state of the RRU to unblock ru_thread()
+		  ru->state = RU_RUN;		
+		}else LOG_E(PHY,"Received RRU_sync_ok from a master RRU...Ignoring\n"); 	
+	      }
+	      break;
+            case RRU_frame_resynch: //RRU
+              if (ru->if_south != LOCAL_RF) LOG_E(PHY,"Received RRU frame resynch message, should not happen in RAU\n");
+              else {
+                 LOG_I(PHY,"Received RRU_frame_resynch command\n");
+                 ru->cmd = RU_FRAME_RESYNCH;
+                 ru->cmdval = ((uint16_t*)&rru_config_msg.msg[0])[0];
+                 LOG_I(PHY,"Received Frame Resynch messaage with value %d\n",ru->cmdval);
+              }
+              break;
+
+	    case RRU_stop: // RRU
+	      if (ru->if_south == LOCAL_RF){
+		LOG_I(PHY,"Stop received from RAU\n");
+
+		if (ru->state == RU_RUN || ru->state == RU_ERROR){
+
+		  LOG_I(PHY,"Stopping RRU\n");
+		  ru->state = RU_READY;
+		  // TODO: stop ru_thread
+		}else{
+		  LOG_I(PHY,"RRU not running, can't stop\n"); 
+		}
+	      }else LOG_E(PHY,"Received RRU_stop msg...Ignoring\n");
+	      
+	      break;
+
+	    default:
+	      if (ru->if_south != LOCAL_RF){
+		if (ru->state == RU_IDLE){
+		  // Keep sending TICK
+		  send_tick(ru);
+		}
+	      }
+
+	      break;
+	    } // switch	
+	} //else
+
+
+    }//while
+  return(NULL);
+}