update to make harmony work with Mobipass[Ercom]

openair1/PHY/LTE_TRANSPORT/if5_tools.c

@@ -21,11 +21,11 @@
 
 /*! \file PHY/LTE_TRANSPORT/if5_tools.c
 * \brief 
-* \author S. Sandeep Kumar, Raymond Knopp
+* \author S. Sandeep Kumar, Raymond Knopp, Tien-Thinh Nguyen
 * \date 2016
 * \version 0.1
 * \company Eurecom
-* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr 
+* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr, tien-thinh.nguyen@eurecom.fr 
 * \note
 * \warning
 */
@@ -34,13 +34,21 @@
 
 #include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
 #include "UTIL/LOG/vcd_signal_dumper.h"
+//#define DEBUG_DL_MOBIPASS
+//#define DEBUG_UL_MOBIPASS
+#define SUBFRAME_SKIP_NUM_MOBIPASS 8
 
+int dummy_cnt = 0;
+int subframe_skip_extra = 0;
+int start_flag = 1;
+int offset_cnt = 1;
 void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe, uint8_t *seqno, uint16_t packet_type) {      
   
   LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
   int32_t *txp[fp->nb_antennas_tx], *rxp[fp->nb_antennas_rx]; 
   int32_t *tx_buffer=NULL;
 
+  int8_t dummy_buffer[fp->samples_per_tti*2];
   uint16_t packet_id=0, i=0;
 
   uint32_t spp_eth  = (uint32_t) eNB->ifdevice.openair0_cfg->samples_per_packet;
@@ -89,17 +97,18 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
     }    
     
   } else if (packet_type == IF5_MOBIPASS) {    
-    uint16_t db_fulllength=640;
+    uint16_t db_fulllength = PAYLOAD_MOBIPASS_NUM_SAMPLES;
     
     __m128i *data_block=NULL, *data_block_head=NULL;
 
     __m128i *txp128;
     __m128i t0, t1;
 
-    tx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
+    // tx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
+    tx_buffer = malloc(MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
     IF5_mobipass_header_t *header = (IF5_mobipass_header_t *)((uint8_t *)tx_buffer + MAC_HEADER_SIZE_BYTES);
-    data_block_head = (__m128i *)((uint8_t *)tx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 4);
-    
+    data_block_head = (__m128i *)((uint8_t *)tx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t);
+  
     header->flags = 0;
     header->fifo_status = 0;  
     header->seqno = *seqno;
@@ -110,14 +119,14 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
     txp128 = (__m128i *) txp[0];
               
     for (packet_id=0; packet_id<fp->samples_per_tti/db_fulllength; packet_id++) {
-      header->time_stamp = (uint32_t)(proc_timestamp + packet_id*db_fulllength);
+      header->time_stamp = htonl((uint32_t)(proc_timestamp + packet_id*db_fulllength));
       data_block = data_block_head; 
     
       for (i=0; i<db_fulllength>>2; i+=2) {
         t0 = _mm_srai_epi16(*txp128++, 4);
         t1 = _mm_srai_epi16(*txp128++, 4);   
-        
-        *data_block++ = _mm_packs_epi16(t0, t1);     
+//        *data_block++ = _mm_packs_epi16(t0, t1);     
+       _mm_storeu_si128(data_block++, _mm_packs_epi16(t0, t1));     
       }
       
       // Write the packet to the fronthaul
@@ -129,18 +138,38 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
                                         IF5_MOBIPASS)) < 0) {
         perror("ETHERNET write for IF5_MOBIPASS\n");
       }
-    
+#ifdef DEBUG_DL_MOBIPASS
+     if ((subframe==0)&&(dummy_cnt == 100)) {
+        memcpy((void*)&dummy_buffer[packet_id*db_fulllength*2],(void*)data_block_head,db_fulllength*2);
+      }
+#endif
       header->seqno += 1;    
     }  
     *seqno = header->seqno;
-    
+
+#ifdef DEBUG_DL_MOBIPASS
+    uint8_t txe;
+    txe = dB_fixed(signal_energy(txp[0],fp->samples_per_tti));
+    if (txe > 0){
+      LOG_D(PHY,"[Mobipass] frame:%d, subframe:%d, energy %d\n", (proc_timestamp/(10*fp->samples_per_tti))&1023,subframe, txe);
+    }
+#endif  
   } else {    
     AssertFatal(1==0, "send_IF5 - Unknown packet_type %x", packet_type);     
   }  
   
   free(tx_buffer);
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF5, 0 );  
-
+#ifdef DEBUG_DL_MOBIPASS 
+  if(subframe==0) {
+    if (dummy_cnt==100) {
+      write_output("txsigmb.m","txs",(void*)dummy_buffer, fp->samples_per_tti,1, 5); 
+      exit(-1);
+    } else {
+    dummy_cnt++;
+    }
+  }
+#endif
   return;  		    
 }
 
@@ -151,6 +180,8 @@ void recv_IF5(PHY_VARS_eNB *eNB, openair0_timestamp *proc_timestamp, int subfram
   int32_t *txp[fp->nb_antennas_tx], *rxp[fp->nb_antennas_rx]; 
 
   uint16_t packet_id=0, i=0;
+  int8_t dummy_buffer_rx[fp->samples_per_tti*2];
+  uint8_t rxe;
 
   int32_t spp_eth  = (int32_t) eNB->ifdevice.openair0_cfg->samples_per_packet;
   int32_t spsf     = (int32_t) eNB->ifdevice.openair0_cfg->samples_per_frame/10;
@@ -202,7 +233,128 @@ void recv_IF5(PHY_VARS_eNB *eNB, openair0_timestamp *proc_timestamp, int subfram
       
   } else if (packet_type == IF5_MOBIPASS) {
     
-    
+    uint16_t db_fulllength = PAYLOAD_MOBIPASS_NUM_SAMPLES;
+    openair0_timestamp timestamp_mobipass[fp->samples_per_tti/db_fulllength];
+    int lower_offset = 0;
+    int  upper_offset = 70000;
+    int subframe_skip = 0;
+    int reset_flag = 0;
+    int32_t *rx_buffer=NULL;
+    __m128i *data_block=NULL, *data_block_head=NULL;
+    __m128i *rxp128;
+    __m128i r0, r1;
+
+    //rx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
+    rx_buffer = malloc(MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
+    IF5_mobipass_header_t *header = (IF5_mobipass_header_t *)((uint8_t *)rx_buffer + MAC_HEADER_SIZE_BYTES);
+    data_block_head = (__m128i *)((uint8_t *)rx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t);
+ 
+    rxp[0] = (void*)&eNB->common_vars.rxdata[0][0][subframe*eNB->frame_parms.samples_per_tti];
+    rxp128 = (__m128i *) (rxp[0]);
+ 
+    eNB_proc_t *proc = &eNB->proc;
+/*
+ //   while(packet_id<fp->samples_per_tti/db_fulllength) {
+      data_block = data_block_head;
+
+      eNB->ifdevice.trx_read_func(&eNB->ifdevice,
+                                       &ts0,
+                                       (void**)&rx_buffer,
+                                       db_fulllength,
+                                        1
+                                        );
+
+      if ((header->seqno == 1)&&(first_packet==1))  { 
+         first_packet = 0;  //ignore the packets before synchnorization
+         packet_id = 0;
+        ts_offset = ntohl(ts0);
+      } 
+      if (first_packet==0) { 
+        packet_cnt++;
+        ts = ntohl(ts0);
+        packet_id = (ts-ts_offset)/db_fulllength;
+        packet_id = packet_id % (fp->samples_per_tti/db_fulllength);
+
+        printf("[IF5_tools]packet_id:%d\n", packet_id);
+        // if (ts_stored == 0) {
+        //   ts_stored = 1;
+        *proc_timestamp = ntohl(ts - (packet_id*db_fulllength));
+        // }
+        rxp[0] = (void*)&eNB->common_vars.rxdata[0][0][(subframe*eNB->frame_parms.samples_per_tti)+packet_id*db_fulllength];
+        rxp128 = (__m128i *) (rxp[0]);
+
+        for (i=0; i<db_fulllength>>2; i+=2) {
+          r0 = _mm_loadu_si128(data_block++);
+          *rxp128++ =_mm_slli_epi16(_mm_srai_epi16(_mm_unpacklo_epi8(r0,r0),8),4);
+          *rxp128++ =_mm_slli_epi16(_mm_srai_epi16(_mm_unpackhi_epi8(r0,r0),8),4);
+        }
+      }
+  //  }//end while
+*/
+ 
+
+    packet_id=0; 
+    while(packet_id<fp->samples_per_tti/db_fulllength) {
+      data_block = data_block_head;
+
+      eNB->ifdevice.trx_read_func(&eNB->ifdevice,
+                                       &timestamp_mobipass[packet_id],
+                                       (void**)&rx_buffer,
+                                       db_fulllength,
+                                        1
+                                        );
+#ifdef DEBUG_UL_MOBIPASS
+      if (((proc->timestamp_tx + lower_offset) > ntohl(timestamp_mobipass[packet_id])) || ((proc->timestamp_tx + upper_offset) < ntohl(timestamp_mobipass[packet_id]))) {
+        //ignore the packet
+        subframe_skip_extra = (subframe_skip_extra + 1)%67;         
+       LOG_D("[Mobipass] ignored packet, id:[%d,%d], proc->timestamp_tx:%llu, proc->timestamp_rx:%llu, seqno:%d\n", packet_id,subframe_skip_extra, proc->timestamp_tx, ntohl(timestamp_mobipass[packet_id]), header->seqno);
+      }             
+#endif
+      //skip SUBFRAME_SKIP_NUM_MOBIPASS additional UL packets
+      if ((start_flag == 1) && (subframe_skip < SUBFRAME_SKIP_NUM_MOBIPASS)){
+        subframe_skip++;
+        offset_cnt = header->seqno;
+      } else {
+        if ((offset_cnt != header->seqno) && (start_flag == 0) && (proc->first_rx > 3)){
+#ifdef DEBUG_UL_MOBIPASS
+           LOG_D(PHY,"[Mobipass] Reset sequence number, offset_cnt:%d, header->seqno:%d, packet_id:%d\n", offset_cnt, header->seqno, packet_id);
+#endif
+           reset_flag=1;
+        }
+        if ((reset_flag == 1) && (proc->first_rx > 3 ) && (start_flag == 0) && (packet_id == 0)) {
+           packet_id = 1;  
+           reset_flag = 0;
+        }
+        start_flag = 0;
+
+        //store rxdata and increase packet_id
+        rxp[0] = (void*)&eNB->common_vars.rxdata[0][0][(subframe*eNB->frame_parms.samples_per_tti)+packet_id*db_fulllength];
+        rxp128 = (__m128i *) (rxp[0]);
+        for (i=0; i<db_fulllength>>2; i+=2) {
+          r0 = _mm_loadu_si128(data_block++);
+          *rxp128++ =_mm_slli_epi16(_mm_srai_epi16(_mm_unpacklo_epi8(r0,r0),8),4);
+          *rxp128++ =_mm_slli_epi16(_mm_srai_epi16(_mm_unpackhi_epi8(r0,r0),8),4);
+        }   
+        packet_id++; 
+        offset_cnt = (header->seqno+1)&255;
+      }
+    }//end while
+  
+      *proc_timestamp = ntohl(timestamp_mobipass[0]); 
+#ifdef DEBUG_UL_MOBIPASS
+   LOG_I(PHY,"[Mobipass][Recv_MOBIPASS] timestamp: %llu\n ",  *proc_timestamp);
+if (eNB->CC_id>0) {
+    rxe = dB_fixed(signal_energy(rxp[0],fp->samples_per_tti)); 
+    if (rxe > 0){
+      LOG_I(PHY,"[Mobipass] frame:%d, subframe:%d, energy %d\n", (*proc_timestamp/(10*fp->samples_per_tti))&1023,subframe, rxe);
+//    write_output("rxsigmb.m","rxs",(void*)dummy_buffer_rx, fp->samples_per_tti,1, 5); 
+//    exit(-1);
+    }
+}
+#endif
+
+
+   
   } else {
     AssertFatal(1==0, "recv_IF5 - Unknown packet_type %x", packet_type);     
   }  

openair2/LAYER2/MAC/pre_processor.c

@@ -759,6 +759,10 @@ void dlsch_scheduler_pre_processor_reset (int module_idP,
 #endif
   LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti);
   // initialize harq_pid and round
+
+  if (eNB_UE_stats == NULL)
+    return;
+
   mac_xface->get_ue_active_harq_pid(module_idP,CC_id,rnti,
 				    frameP,subframeP,
 				    &ue_sched_ctl->harq_pid[CC_id],

targets/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c

@@ -21,7 +21,7 @@
 
 /*! \file ethernet_lib.c 
  * \brief API to stream I/Q samples over standard ethernet
- * \author  add alcatel Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
+ * \author  add alcatel Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp, Tien-Thinh Nguyen
  * \date 2015
  * \version 0.2
  * \company Eurecom
@@ -45,7 +45,7 @@
 #include "common_lib.h"
 #include "ethernet_lib.h"
 
-#define DEBUG 0
+//#define DEBUG 0
 
 //struct sockaddr_ll dest_addr[MAX_INST];
 //struct sockaddr_ll local_addr[MAX_INST];
@@ -93,7 +93,11 @@ int eth_socket_init_raw(openair0_device *device) {
   eth->local_addr_ll.sll_family   = AF_PACKET;
   eth->local_addr_ll.sll_ifindex  = eth->if_index.ifr_ifindex;
   /* hear traffic from specific protocol*/
-  eth->local_addr_ll.sll_protocol = htons((short)device->openair0_cfg->my_port);
+  if (eth->flags == ETH_RAW_IF5_MOBIPASS) {
+     eth->local_addr_ll.sll_protocol = htons(0xbffe);
+  } else{ 
+     eth->local_addr_ll.sll_protocol = htons((short)device->openair0_cfg->my_port);
+  }
   eth->local_addr_ll.sll_halen    = ETH_ALEN;
   eth->local_addr_ll.sll_pkttype  = PACKET_OTHERHOST;
   eth->addr_len = sizeof(struct sockaddr_ll);
@@ -350,6 +354,78 @@ int trx_eth_read_raw_IF4p5(openair0_device *device, openair0_timestamp *timestam
 }
 
 
+int trx_eth_read_raw_IF5_mobipass(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc) {
+  // Read nblocks info from packet itself
+  
+  int nblocks = nsamps;
+  int bytes_received=0;
+  eth_state_t *eth = (eth_state_t*)device->priv;
+
+ ssize_t packet_size =  28; //MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t ;
+//   ssize_t packet_size =  MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 640*sizeof(int16_t);
+ 
+  bytes_received = recv(eth->sockfd,
+                        buff[0],
+                        packet_size,
+                        MSG_PEEK);
+
+  if (bytes_received ==-1) {
+          eth->num_rx_errors++;
+          perror("[MOBIPASS]ETHERNET IF5 READ (header): ");
+          exit(-1);
+  }
+
+  IF5_mobipass_header_t *test_header = (IF5_mobipass_header_t*)((uint8_t *)buff[0] + MAC_HEADER_SIZE_BYTES);
+  *timestamp = test_header->time_stamp;
+  packet_size =  MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 640*sizeof(int16_t);
+
+  while(bytes_received < packet_size) {
+    bytes_received = recv(eth->sockfd,
+                          buff[0],
+                          packet_size,
+                          0);
+    if (bytes_received ==-1) {
+      eth->num_rx_errors++;
+      perror("[MOBIPASS] ETHERNET IF5 READ (payload): ");
+      exit(-1);
+    } else {
+      eth->rx_actual_nsamps = bytes_received>>1;
+      eth->rx_count++;
+    }
+  }
+ 
+  eth->rx_nsamps = nsamps;
+  return(bytes_received);
+
+
+/* 
+  if (bytes_received > 0) { 
+    while(bytes_received < packet_size) {
+      bytes_received = recv(eth->sockfd,
+                          buff[0],
+                          packet_size,
+                          0);
+      if (bytes_received ==-1) {
+        eth->num_rx_errors++;
+        perror("ETHERNET IF5_MOBIPASS READ (payload): ");
+        exit(-1);
+      } else {
+        eth->rx_actual_nsamps = bytes_received>>1;
+        eth->rx_count++;
+      }
+   }
+   if (bytes_received == packet_size){
+     IF5_mobipass_header_t *test_header = (IF5_mobipass_header_t*)((uint8_t *)buff[0] + MAC_HEADER_SIZE_BYTES);
+     *timestamp = test_header->time_stamp;
+   }
+
+   eth->rx_nsamps = nsamps;
+ }
+
+  return(bytes_received);
+*/
+}
+
 
 int eth_set_dev_conf_raw(openair0_device *device) {
 

targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c

@@ -87,6 +87,8 @@ int trx_eth_start(openair0_device *device) {
   } else if (eth->flags == ETH_RAW_IF5_MOBIPASS) {
     printf("Setting ETHERNET to RAW_IF5_MODE\n");
     if (eth_socket_init_raw(device)!=0)   return -1;
+    if(ethernet_tune (device,RCV_TIMEOUT,999999)!=0)  return -1;
+
   } else {
     printf("Setting ETHERNET to UDP_IF5_MODE\n");
     if (eth_socket_init_udp(device)!=0)   return -1;
@@ -363,7 +365,7 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
     device->trx_read_func    = trx_eth_read_udp_IF4p5;     
   } else if (eth->flags == ETH_RAW_IF5_MOBIPASS) {
     device->trx_write_func   = trx_eth_write_raw_IF4p5;
-    device->trx_read_func    = trx_eth_read_raw_IF4p5;     
+    device->trx_read_func    = trx_eth_read_raw_IF5_mobipass;   
   } else {
     //device->trx_write_func   = trx_eth_write_udp_IF4p5;
     //device->trx_read_func    = trx_eth_read_udp_IF4p5;     

targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h

@@ -230,6 +230,7 @@ int trx_eth_write_raw(openair0_device *device, openair0_timestamp timestamp, voi
 int trx_eth_read_raw(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
 int trx_eth_write_raw_IF4p5(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags);
 int trx_eth_read_raw_IF4p5(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
+int trx_eth_read_raw_IF5_mobipass(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
 int trx_eth_write_udp_IF4p5(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags);
 int trx_eth_read_udp_IF4p5(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
 int eth_get_dev_conf_raw(openair0_device *device);

targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h

@@ -71,3 +71,4 @@
 // Mobipass packet sizes
 #define RAW_IF5_MOBIPASS_BLOCK_SIZE_BYTES 1280
 #define RAW_IF5_MOBIPASS_SIZE_BYTES (MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + RAW_IF5_MOBIPASS_BLOCK_SIZE_BYTES)
+#define PAYLOAD_MOBIPASS_NUM_SAMPLES  640

targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.if4p5-ercom.conf

@@ -17,7 +17,7 @@ eNBs =
 
     mobile_country_code =  "208";
 
-    mobile_network_code =  "93";
+    mobile_network_code =  "92";
 
        ////////// Physical parameters:
 
@@ -129,7 +129,7 @@ eNBs =
       prach_root                                      = 0;
       prach_config_index                              = 0;
       prach_high_speed                                = "DISABLE";
-      prach_zero_correlation                          = 1;
+      prach_zero_correlation                          = 3;
       prach_freq_offset                               = 2;
       pucch_delta_shift                               = 1;
       pucch_nRB_CQI                                   = 1;
@@ -265,7 +265,7 @@ eNBs =
         rrh_gw_active = "yes";
         tr_preference = "raw_if5_mobipass";
         rf_preference = "usrp_b200";
-        iq_txshift = 4;
+        iq_txshift = 0;
         tx_sample_advance = 80;
         tx_scheduling_advance = 9;
     }

targets/RT/USER/lte-enb.c

@@ -279,6 +279,7 @@ static inline void wait_sync(char *thread_name) {
 void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
 {
 
+  int CC_id = phy_vars_eNB->proc.CC_id;
   unsigned int aa,slot_offset;
   //int dummy_tx_b[7680*4] __attribute__((aligned(32)));
   int i, tx_offset;
@@ -370,9 +371,9 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
 	
 	((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)dummy_tx_b)[2*i+1]<<openair0_cfg[0].iq_txshift; */
 
-	((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0]<<openair0_cfg[0].iq_txshift;
+	((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0]<<openair0_cfg[CC_id].iq_txshift;
 	
-	((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1]<<openair0_cfg[0].iq_txshift;
+	((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1]<<openair0_cfg[CC_id].iq_txshift;
      }
      // if S-subframe switch to RX in second subframe
      if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_S) {
@@ -662,26 +663,37 @@ void fh_if5_asynch_UL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
   eNB_proc_t *proc       = &eNB->proc;
   LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
 
-  recv_IF5(eNB, &proc->timestamp_rx, *subframe, IF5_RRH_GW_UL); 
-
-  proc->subframe_rx = (proc->timestamp_rx/fp->samples_per_tti)%10;
-  proc->frame_rx    = (proc->timestamp_rx/(10*fp->samples_per_tti))&1023;
+  recv_IF5(eNB, &proc->timestamp_rx, *subframe, IF5_MOBIPASS); 
 
-  if (proc->first_rx != 0) {
-    proc->first_rx = 0;
+  int offset_mobipass = 40120;
+  pthread_mutex_lock(&proc->mutex_asynch_rxtx);
+  proc->subframe_rx = ((proc->timestamp_rx-offset_mobipass)/fp->samples_per_tti)%10;
+  proc->frame_rx    = ((proc->timestamp_rx-offset_mobipass)/(fp->samples_per_tti*10))&1023;
+  
+  if (proc->first_rx == 1) {
+    proc->first_rx =2;
     *subframe = proc->subframe_rx;
     *frame    = proc->frame_rx; 
+    LOG_E(PHY,"[Mobipass]timestamp_rx:%llu, frame_rx %d, subframe: %d\n",proc->timestamp_rx,proc->frame_rx,proc->subframe_rx);
   }
   else {
     if (proc->subframe_rx != *subframe) {
-      LOG_E(PHY,"fh_if5_asynch_UL: subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe);
-      exit_fun("Exiting");
+        proc->first_rx++;
+       LOG_E(PHY,"[Mobipass]timestamp:%llu, subframe_rx %d is not what we expect %d, first_rx:%d\n",proc->timestamp_rx, proc->subframe_rx,*subframe, proc->first_rx);
+      //exit_fun("Exiting");
     }
     if (proc->frame_rx != *frame) {
-      LOG_E(PHY,"fh_if5_asynch_UL: subframe_rx %d is not what we expect %d\n",proc->frame_rx,*frame);  
-      exit_fun("Exiting");
+        proc->first_rx++;
+       LOG_E(PHY,"[Mobipass]timestamp:%llu, frame_rx %d is not what we expect %d, first_rx:%d\n",proc->timestamp_rx,proc->frame_rx,*frame, proc->first_rx);  
+     // exit_fun("Exiting");
     }
+    // temporary solution
+      *subframe = proc->subframe_rx;
+      *frame    = proc->frame_rx;
   }
+
+  pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
+
 } // eNodeB_3GPP_BBU 
 
 // asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU)
@@ -1218,11 +1230,16 @@ void wakeup_slaves(eNB_proc_t *proc) {
       exit_fun( "error locking mutex_rxtx" );
       break;
     }
-    
+   
+    while (slave_proc->instance_cnt_FH == 0) {
+     // LOG_W( PHY,"[eNB] Frame:%d , eNB rx_fh_slave thread busy!! (cnt_FH %i)\n", proc->frame_rx,slave_proc->instance_cnt_FH );
+      usleep(500);
+    } 
+
     int cnt_slave            = ++slave_proc->instance_cnt_FH;
     slave_proc->frame_rx     = proc->frame_rx;
     slave_proc->subframe_rx  = proc->subframe_rx;
-    slave_proc->timestamp_rx = proc->timestamp_rx;
+    //slave_proc->timestamp_rx = proc->timestamp_rx;
     slave_proc->timestamp_tx = proc->timestamp_tx; 
 
     pthread_mutex_unlock( &slave_proc->mutex_FH );
@@ -1483,6 +1500,7 @@ static void* eNB_thread_single( void* param ) {
   eNB_rxtx_proc_t *proc_rxtx = &proc->proc_rxtx[0];
   PHY_VARS_eNB *eNB = PHY_vars_eNB_g[0][proc->CC_id];
   LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
+  eNB->CC_id =  proc->CC_id;
 
   void *rxp[2],*rxp2[2];
 
@@ -1610,7 +1628,7 @@ static void* eNB_thread_single( void* param ) {
     }      
 
     if (eNB->CC_id==1) 
-	LOG_I(PHY,"eNB thread single %p (proc %p, CC_id %d), frame %d (%p), subframe %d (%p)\n",
+	LOG_D(PHY,"eNB thread single %p (proc %p, CC_id %d), frame %d (%p), subframe %d (%p)\n",
 	  pthread_self(), proc, eNB->CC_id, frame,&frame,subframe,&subframe);
  
     // synchronization on FH interface, acquire signals/data and block
@@ -1751,7 +1769,7 @@ void init_eNB_proc(int inst) {
   }
 
   //for multiple CCs: setup master and slaves
-  /*
+ /* 
   for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
     eNB = PHY_vars_eNB_g[inst][CC_id];
 
@@ -1764,8 +1782,8 @@ void init_eNB_proc(int inst) {
         if (i >= CC_id)  eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc);
       }
     }
-    }*/
-
+    }
+*/
 
   /* setup PHY proc TX sync mechanism */
   pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL);
@@ -2144,7 +2162,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
       }
     }
 
-    if (setup_eNB_buffers(PHY_vars_eNB_g[inst],&openair0_cfg[0])!=0) {
+    if (setup_eNB_buffers(PHY_vars_eNB_g[inst],&openair0_cfg[CC_id])!=0) {
       printf("Exiting, cannot initialize eNodeB Buffers\n");
       exit(-1);
     }