From f66f6e49cb936157a1b299add65911ef50c59105 Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Tue, 14 Feb 2017 10:25:23 +0100
Subject: [PATCH] deal with empty subframes at UE side even in oaisim
The memset was also too big. It should only clear
one subframe.
Only tested without abstraction.
Abstraction does not work for the moment anyway, but just to
keep that in mind.
---
openair1/SCHED/phy_procedures_lte_ue.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/openair1/SCHED/phy_procedures_lte_ue.c b/openair1/SCHED/phy_procedures_lte_ue.c
index bfe4c82bdc..052cb21f47 100644
--- a/openair1/SCHED/phy_procedures_lte_ue.c
+++ b/openair1/SCHED/phy_procedures_lte_ue.c
@@ -986,8 +986,8 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt
int subframe_tx = proc->subframe_tx;
int frame_tx = proc->frame_tx;
int ulsch_start;
-#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
int overflow=0;
+#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
int k,l;
int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));
#endif
@@ -1015,14 +1015,15 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt
ulsch_start = (frame_parms->samples_per_tti*subframe_tx)-ue->N_TA_offset; //-ue->timing_advance;
#endif //else EXMIMO
-#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
+//#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
if (empty_subframe)
{
//#if 1
overflow = ulsch_start - 9*frame_parms->samples_per_tti;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
- memset(&ue->common_vars.txdata[aa][ulsch_start],0,4*cmin(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_tti));
+ //memset(&ue->common_vars.txdata[aa][ulsch_start],0,4*cmin(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_tti));
+ memset(&ue->common_vars.txdata[aa][ulsch_start],0,4*cmin(frame_parms->samples_per_tti-overflow,frame_parms->samples_per_tti));
if (overflow> 0)
memset(&ue->common_vars.txdata[aa][0],0,4*overflow);
@@ -1043,7 +1044,7 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt
#endif*/
return;
}
-#endif
+//#endif
if ((frame_tx%100) == 0)
LOG_D(PHY,"[UE %d] Frame %d, subframe %d: ulsch_start = %d (rxoff %d, HW TA %d, timing advance %d, TA_offset %d\n",
--
GitLab