From d12a824433e11c082f2bfb0af747e38464e529ee Mon Sep 17 00:00:00 2001
From: Khalid Ahmed <ahmedkd@iis.fraunhofer.de>
Date: Thu, 25 Jul 2019 15:22:47 +0200
Subject: [PATCH] TDD in rfsimulator

---
 executables/nr-gnb.c | 4 +++-
 executables/nr-ru.c  | 7 ++++++-
 executables/nr-ue.c  | 5 +++--
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/executables/nr-gnb.c b/executables/nr-gnb.c
index 5151f0cf82..f96c6f27a9 100644
--- a/executables/nr-gnb.c
+++ b/executables/nr-gnb.c
@@ -191,7 +191,9 @@ static inline int rxtx(PHY_VARS_gNB *gNB,int frame_rx, int slot_rx, int frame_tx
   }
 
   // UE-specific RX processing for subframe n
-  if (nfapi_mode == 0 || nfapi_mode == 1) */ {
+  if (nfapi_mode == 0 || nfapi_mode == 1) */
+
+  if (slot_rx == NR_UPLINK_SLOT || gNB->frame_parms.frame_type == FDD) {
     nfapi_nr_ul_config_ulsch_pdu_rel15_t *ulsch_pdu_rel15 = &gNB->ulsch[1][0]->harq_processes[0]->ulsch_pdu.ulsch_pdu_rel15;
     phy_procedures_gNB_uespec_RX(gNB, frame_rx, slot_rx, ulsch_pdu_rel15->start_symbol, ulsch_pdu_rel15->start_symbol + ulsch_pdu_rel15->number_symbols);
   }
diff --git a/executables/nr-ru.c b/executables/nr-ru.c
index 807495f0b4..18fa3582ef 100644
--- a/executables/nr-ru.c
+++ b/executables/nr-ru.c
@@ -1471,7 +1471,12 @@ static void *ru_thread( void *param ) {
     if (ru->idx!=0) proc->frame_tx = (proc->frame_tx+proc->frame_offset)&1023;
 
     // do RX front-end processing (frequency-shift, dft) if needed
-    if (ru->feprx) ru->feprx(ru,proc->tti_rx);
+
+    if (proc->tti_rx == NR_UPLINK_SLOT || fp->frame_type == FDD) {
+
+      if (ru->feprx) ru->feprx(ru,proc->tti_rx);
+
+    }
 
     LOG_D(PHY,"RU proc: frame_rx = %d, tti_rx = %d\n", proc->frame_rx, proc->tti_rx);
     LOG_D(PHY,"Copying rxdataF from RU to gNB\n");
diff --git a/executables/nr-ue.c b/executables/nr-ue.c
index 4770f2dc15..29e9bb3c23 100644
--- a/executables/nr-ue.c
+++ b/executables/nr-ue.c
@@ -432,12 +432,13 @@ void UE_processing(void *arg) {
       (UE->frame_parms.frame_type == FDD) )
 #endif
 */
-  //if (proc->nr_tti_tx == NR_UPLINK_SLOT){
+
+  if (proc->nr_tti_tx == NR_UPLINK_SLOT || UE->frame_parms.frame_type == FDD){
 
     if (UE->mode != loop_through_memory)
       phy_procedures_nrUE_TX(UE,proc,0,0);
 
-  //}
+  }
 
   //phy_procedures_UE_TX(UE,proc,0,0,UE->mode,no_relay);