fixes for error in if4p5

openair1/PHY/LTE_UE_TRANSPORT/initial_sync.c

@@ -449,6 +449,15 @@ int initial_sync(PHY_VARS_UE *ue, runmode_t mode) {
       if (ue->frame_parms.frame_type==FDD) {
 	ue->N_TA_offset = 0;
       }
+      else {
+	if (ue->frame_parms.N_RB_DL == 100)
+	  ue->N_TA_offset = 624;
+	else if (ue->frame_parms.N_RB_DL == 50)
+	  ue->N_TA_offset = 624/2;
+	else if (ue->frame_parms.N_RB_DL == 25)
+	  ue->N_TA_offset = 624/4;
+	  
+      }
     }
 
     LOG_I(PHY, "[UE %d] Frame %d RRC Measurements => rssi %3.1f dBm (dig %3.1f dB, gain %d), N0 %d dBm,  rsrp %3.1f dBm/RE, rsrq %3.1f dB\n",ue->Mod_id,

targets/RT/USER/lte-ru.c

@@ -1189,12 +1189,22 @@ void wakeup_L1s(RU_t *ru) {
 }
 inline int wakeup_prach_ru(RU_t *ru) {
   int ret;
-  struct timespec wait;
+  /*struct timespec wait;
   int time_ns = 5000000L;
 
   clock_gettime(CLOCK_REALTIME,&wait);
   wait.tv_nsec += time_ns;
   AssertFatal((ret=pthread_mutex_timedlock(&ru->proc.mutex_prach,&wait))==ETIMEDOUT,"[RU] ERROR pthread_mutex_lock for RU prach thread (IC %d)\n", ru->proc.instance_cnt_prach);
+*/
+  struct timespec wait;
+  wait.tv_sec=0;
+  wait.tv_nsec=5000000L;
+
+  if (pthread_mutex_timedlock(&ru->proc.mutex_prach,&wait) !=0) {
+    LOG_E( PHY, "[RU] ERROR pthread_mutex_lock for RU prach thread (IC %d)\n", ru->proc.instance_cnt_prach);
+    exit_fun( "error locking mutex_rxtx" );
+    return(-1);
+  }
 
   if (ru->proc.instance_cnt_prach==-1) {
     ++ru->proc.instance_cnt_prach;