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OpenXG-RAN
Commit f66f6e49 authored by Cedric Roux's avatar Cedric Roux
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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.
parent b904ce79
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Showing with 5 additions and 4 deletions
openair1/SCHED/phy_procedures_lte_ue.c
View file @ f66f6e49
...@@ -986,8 +986,8 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt ...@@ -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 subframe_tx = proc->subframe_tx;
int frame_tx = proc->frame_tx; int frame_tx = proc->frame_tx;
int ulsch_start; int ulsch_start;
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
int overflow=0; int overflow=0;
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
int k,l; int k,l;
int dummy_tx_buffer[3840*4] __attribute__((aligned(16))); int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));
#endif #endif
...@@ -1015,14 +1015,15 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt ...@@ -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; ulsch_start = (frame_parms->samples_per_tti*subframe_tx)-ue->N_TA_offset; //-ue->timing_advance;
#endif //else EXMIMO #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 (empty_subframe)
{ {
//#if 1 //#if 1
overflow = ulsch_start - 9*frame_parms->samples_per_tti; overflow = ulsch_start - 9*frame_parms->samples_per_tti;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) { 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) if (overflow> 0)
memset(&ue->common_vars.txdata[aa][0],0,4*overflow); 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 ...@@ -1043,7 +1044,7 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt
#endif*/ #endif*/
return; return;
} }
#endif //#endif
if ((frame_tx%100) == 0) 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", LOG_D(PHY,"[UE %d] Frame %d, subframe %d: ulsch_start = %d (rxoff %d, HW TA %d, timing advance %d, TA_offset %d\n",
......
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