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Commit 6d5e60f3 authored by Matthieu Kanj's avatar Matthieu Kanj
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UL indication for NPRACH

parent 30f1443a
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Showing with 71 additions and 63 deletions
openair1/PHY/LTE_TRANSPORT/nprach_NB_IoT.c
View file @ 6d5e60f3
......@@ -405,7 +405,7 @@ void filtering_signal(int16_t *input_buffer, int16_t *filtered_buffer, uint32_t
}
uint32_t process_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame){
uint32_t process_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame, uint8_t subframe, uint32_t *rnti, uint16_t *preamble_index, uint16_t *timing_advance){
//uint32_t estimated_TA_coarse=0;
......@@ -476,7 +476,10 @@ uint32_t process_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame){
//}*/
printf("\ndetection !!! at frame %i \n",frame);
eNB->preamble_index_NB_IoT = subcarrier_estimation(Rx_sub_sampled_buffer_128); // c'est un uint16_t
//eNB->preamble_index_NB_IoT = subcarrier_estimation(Rx_sub_sampled_buffer_128); // c'est un uint16_t
*preamble_index = subcarrier_estimation(Rx_sub_sampled_buffer_128);
*timing_advance = 0;
*rnti = 1 + frame/4;
printf("estimated subaccier = %i\n",eNB->preamble_index_NB_IoT);
return 1;//estimated_TA;
}else{
......
openair1/PHY/LTE_TRANSPORT/proto_NB_IoT.h
View file @ 6d5e60f3
......@@ -378,7 +378,7 @@ void lte_idft_NB_IoT(LTE_DL_FRAME_PARMS *frame_parms,uint32_t *z, uint16_t Msc_P
void extract_CQI_NB_IoT(void *o,UCI_format_NB_IoT_t uci_format,NB_IoT_eNB_UE_stats *stats,uint8_t N_RB_DL, uint16_t * crnti, uint8_t * access_mode);
//*****************Vincent part for nprach ******************//
uint32_t process_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame);
uint32_t process_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame, uint8_t subframe,uint32_t *rnti, uint16_t *preamble_index, uint16_t *timing_advance);
uint32_t TA_estimation_NB_IoT(PHY_VARS_eNB *eNB,
int16_t *Rx_sub_sampled_buffer,
......
openair1/SCHED/defs_NB_IoT.h
View file @ 6d5e60f3
......@@ -48,7 +48,7 @@ uint32_t is_SIB1_NB_IoT(const frame_t frameP,
NB_IoT_eNB_NDLSCH_t *ndlsch_SIB1
);
uint32_t rx_nprach_NB_IoT(PHY_VARS_eNB *eNB);
uint32_t rx_nprach_NB_IoT(PHY_VARS_eNB *eNB,int frame, uint8_t subframe, uint16_t *rnti, uint16_t *preamble_index, uint16_t *timing_advance);
#endif
......
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ 6d5e60f3
......@@ -2883,67 +2883,67 @@ void get_n1_pucch_eNB(PHY_VARS_eNB *eNB,
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////// NB-IoT ////////////////////////////////////////////////////////
////////////////////////////////////////////////////// NB-IoT testing ////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void prach_procedures_NB_IoT(PHY_VARS_eNB *eNB) {
// LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
// uint16_t preamble_energy_list[64],preamble_delay_list[64];
// uint16_t preamble_max,preamble_energy_max;
// uint16_t preamble_max=0;
// uint16_t i;
// int8_t UE_id;
int subframe = eNB->proc.subframe_prach;
uint16_t rnti[4],preamble_index[4],timing_advance_preamble[4];
// uint16_t i;
// int frame,subframe;
uint8_t subframe = eNB->proc.subframe_prach;
int frame = eNB->proc.frame_prach;
// uint8_t CC_id = eNB->CC_id;
uint32_t detection=0;
uint16_t estimated_TA=2;
//uint16_t estimated_TA=2;
if (eNB->abstraction_flag == 0) {
/*LOG_D(PHY,"[eNB %d][RAPROC] Frame %d, Subframe %d : PRACH RX Signal Power : %d dBm\n",eNB->Mod_id,
frame,subframe,dB_fixed(signal_energy(&eNB->common_vars.rxdata[0][0][subframe*fp->samples_per_tti],512)) - eNB->rx_total_gain_dB);
rx_prach(eNB,
/* rx_prach(eNB,
preamble_energy_list,
preamble_delay_list,
frame,
0);*/
//usleep(100);
detection = rx_nprach_NB_IoT(eNB);
/* } else {
for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
detection = rx_nprach_NB_IoT(eNB,frame,subframe,rnti,preamble_index,timing_advance_preamble);
}
LOG_D(PHY,"[RAPROC] UE_id %d (%p), generate_prach %d, UE RSI %d, eNB RSI %d preamble index %d\n",
UE_id,PHY_vars_UE_g[UE_id][CC_id],PHY_vars_UE_g[UE_id][CC_id]->generate_prach,
PHY_vars_UE_g[UE_id][CC_id]->frame_parms.prach_config_common.rootSequenceIndex,
fp->prach_config_common.rootSequenceIndex,
PHY_vars_UE_g[UE_id][CC_id]->prach_PreambleIndex);
if(detection == 1) ////////////////////////// to be moved to handle_rach_NB_IoT
{
/* initiate_ra_proc(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rach_ind.sfn_sf),
NFAPI_SFNSF2SF(UL_info->rach_ind.sfn_sf),
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti);*/
if ((PHY_vars_UE_g[UE_id][CC_id]->generate_prach==1) &&
(PHY_vars_UE_g[UE_id][CC_id]->frame_parms.prach_config_common.rootSequenceIndex ==
fp->prach_config_common.rootSequenceIndex) ) {
preamble_energy_list[PHY_vars_UE_g[UE_id][CC_id]->prach_PreambleIndex] = 800;
preamble_delay_list[PHY_vars_UE_g[UE_id][CC_id]->prach_PreambleIndex] = 5;
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.nrach_ind.number_of_initial_scs_detected = 1; // should be set to zero in every call of UL_indication
eNB->UL_INFO.nrach_ind.nrach_pdu_list[0].nrach_indication_rel13.rnti = rnti[0];
eNB->UL_INFO.nrach_ind.nrach_pdu_list[0].nrach_indication_rel13.initial_sc = preamble_index[0];
eNB->UL_INFO.nrach_ind.nrach_pdu_list[0].nrach_indication_rel13.timing_advance = timing_advance_preamble[0];
eNB->UL_INFO.nrach_ind.nrach_pdu_list[0].nrach_indication_rel13.nrach_ce_level = 2;
eNB->UL_INFO.frame = frame;
eNB->UL_INFO.subframe = subframe;
//eNB->UL_INFO.hypersfn = ;
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
}
} */
}
if(detection == 1)
{
mac_xface->initiate_ra_proc(eNB->Mod_id,
eNB->CC_id,
frame,
eNB->preamble_index_NB_IoT,
estimated_TA,
preamble_index[0],
(int16_t) timing_advance_preamble[0],
0,subframe,0);
}
}
//////////////////////////////////////////////////////////// END ///////////////////////////////////////////////////////////
void prach_procedures(PHY_VARS_eNB *eNB) {
......@@ -2976,7 +2976,10 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
frame,
0);*/
//usleep(100);
detection = rx_nprach_NB_IoT(eNB);
//detection = rx_nprach_NB_IoT(eNB);
// detection = rx_nprach_NB_IoT(eNB,frame,subframe,rnti,preamble_index,timing_advance_preamble);
/* } else {
for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
......
openair1/SCHED/phy_procedures_lte_eNb_NB_IoT.c
View file @ 6d5e60f3
......@@ -1516,22 +1516,22 @@ void phy_procedures_eNB_TX_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
}
uint32_t rx_nprach_NB_IoT(PHY_VARS_eNB *eNB) {
uint32_t rx_nprach_NB_IoT(PHY_VARS_eNB *eNB, int frame, uint8_t subframe, uint16_t *rnti, uint16_t *preamble_index, uint16_t *timing_advance) {
uint32_t estimated_TA;
int frame,frame_mod; // subframe,
//int frame,frame_mod; // subframe,
// subframe = eNB->proc.subframe_prach;
frame = eNB->proc.frame_prach;
// frame = eNB->proc.frame_prach;
//printf("frame = %i \n sf = %i\n",frame,subframe);
frame_mod = 0;//(frame)%32;
// frame_mod = 0;//(frame)%32;
//if (subframe==1 && frame_mod==0 && frame!=0){
if (frame_mod==0 && frame!=0){
//if (frame_mod==0 && frame!=0){
//printf("\n frame_in = %i\n",frame);
estimated_TA = process_nprach_NB_IoT(eNB,frame);
estimated_TA = process_nprach_NB_IoT(eNB,frame,subframe,rnti,preamble_index,timing_advance);
//printf("estim = %i\n",estimated_TA);
}
// }
return estimated_TA;
}
\ No newline at end of file
openair2/PHY_INTERFACE/IF_Module_L2_primitives_NB_IoT.c
View file @ 6d5e60f3
......@@ -13,19 +13,19 @@ void UL_indication_NB_IoT(UL_IND_NB_IoT_t *UL_INFO)
/* Disable uplink RX function for now
//If there is a preamble, do the initiate RA procedure
if(UL_INFO->NRACH.number_of_initial_scs_detected>0)
if(UL_INFO->nrach_ind.number_of_initial_scs_detected>0)
{
for(i=0;i<UL_INFO->NRACH.number_of_initial_scs_detected;i++)
for(i=0;i<UL_INFO->nrach_ind.number_of_initial_scs_detected;i++)
{
// initiate_ra here, some useful inforamtion :
//(UL_INFO->NRACH.nrach_pdu_list+i)->nrach_indication_rel13.initial_sc
//(UL_INFO->NRACH.nrach_pdu_list+i)->nrach_indication_rel13.timing_advance
//(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.initial_sc
//(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.timing_advance
init_RA_NB_IoT(mac_inst,
(UL_INFO->NRACH.nrach_pdu_list+i)->nrach_indication_rel13.initial_sc,
(UL_INFO->NRACH.nrach_pdu_list+i)->nrach_indication_rel13.nrach_ce_level,
(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.initial_sc,
(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.nrach_ce_level,
UL_INFO->frame,
//timing_offset = Timing_advance * 16
(UL_INFO->NRACH.nrach_pdu_list+i)->nrach_indication_rel13.timing_advance*16
(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.timing_advance*16
);
......
openair2/PHY_INTERFACE/IF_Module_NB_IoT.h
View file @ 6d5e60f3
......@@ -136,8 +136,10 @@ typedef struct{
uint32_t hypersfn;
/*preamble part*/
/// RACH indication list
//nfapi_rach_indication_t rach_ind; ?????
nfapi_nrach_indication_body_t NRACH;
nfapi_nrach_indication_body_t nrach_ind;
/*Uplink data part*/
......
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