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Commit 0fbe0e79 authored by Matthieu Kanj's avatar Matthieu Kanj
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bug fix for scheduling

parent fc831af9
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Showing with 540 additions and 126 deletions
openair1/PHY/LTE_TRANSPORT/first_sc_NB_IoT.h 0 → 100644
View file @ 0fbe0e79
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openair1/PHY/LTE_TRANSPORT/nprach_NB_IoT.c
View file @ 0fbe0e79
......@@ -33,6 +33,7 @@
#include "PHY/defs_NB_IoT.h"
#include "PHY/TOOLS/defs.h" // to take into account the dft functions
#include "tables_nprach_NB_IoT.h"
#include "first_sc_NB_IoT.h"
//#include "PHY/extern.h"
//#include "prach.h"
//#include "PHY/LTE_TRANSPORT/if4_tools.h"
......@@ -295,7 +296,48 @@ err
return TA_sample_estimated;
} */
} */
uint16_t subcarrier_estimation(int16_t *input_buffer){
uint16_t estimated_sc;
int16_t *s_n_re, *s_n_im;
uint16_t k,m,n;
int64_t max_correl_sc_m = 0;
int64_t max_correl_sc_k = 0;
int64_t max_correl_sc_glob = 0;
int n_start_offset = 1920; // start at t=8 ms
for (k=0;k<12;k++){
s_n_re = &s_n_12_re[k*336];
s_n_im = &s_n_12_im[k*336];
for (m=0;m<20;m++){
for (n=0;n<336;n++){
max_correl_sc_m = max_correl_sc_m +
(int16_t)(((int32_t)input_buffer[(m<<1)+((n+n_start_offset)<<1)]*(int32_t)s_n_re[n] )>>15)
+ (int16_t)(((int32_t)input_buffer[(m<<1)+((n+n_start_offset)<<1)+1]*(int32_t)s_n_im[n])>>15);
}
if (max_correl_sc_m>max_correl_sc_k){
max_correl_sc_k = max_correl_sc_m;
}
max_correl_sc_m = 0;
}
//printf("correl = %li\n",max_correl_sc_k);
if (max_correl_sc_k>max_correl_sc_glob){
max_correl_sc_glob = max_correl_sc_k;
estimated_sc = k;
}
max_correl_sc_k = 0;
}
return estimated_sc;
}
int16_t* sub_sampling_NB_IoT(int16_t *input_buffer, uint32_t length_input, uint32_t *length_ouput, uint16_t sub_sampling_rate){ // void function ////// adding flag for switching between output_buffers
......@@ -338,9 +380,14 @@ void filtering_signal(int16_t *input_buffer, int16_t *filtered_buffer, uint32_t
+ input_buffer[(n<<1)+1] * (int32_t)(sin_x[n]))>>15);
signal_compensed_im[n] = (int16_t)((- input_buffer[n<<1] * (int32_t)(sin_x[n])
+ input_buffer[(n<<1)+1] * (int32_t)(cos_x[n]))>>15);
filtered_buffer[n<<1] = signal_compensed_re[n];
filtered_buffer[(n<<1)+1] = signal_compensed_im[n];
}
for (n=0;n<FRAME_LENGTH_COMPLEX_SAMPLESx-10;n++){
/*for (n=0;n<FRAME_LENGTH_COMPLEX_SAMPLESx-10;n++){
if (n<20){
for (k=-n;k<20;k++){
filtered_buffer[n<<1] = filtered_buffer[n<<1] + (int16_t)(((int32_t)filter_xx[20+k]*(int32_t)signal_compensed_re[n+k])>>15);
......@@ -352,7 +399,7 @@ void filtering_signal(int16_t *input_buffer, int16_t *filtered_buffer, uint32_t
filtered_buffer[(n<<1)+1] = filtered_buffer[(n<<1)+1] + (int16_t)(((int32_t)filter_xx[20+k]*(int32_t)signal_compensed_im[n+k])>>15);
}
}
}
}*/
}
......@@ -377,7 +424,7 @@ uint32_t RX_NPRACH_NB_IoT(PHY_VARS_eNB *eNB, int frame){
FRAME_LENGTH_COMPLEX_SAMPLESx = 10*eNB->frame_parms.samples_per_tti;
Rx_buffer = (int16_t*)&eNB->common_vars.rxdata[0][0][0]; // get the whole frame
memcpy(&buffer_nprach[0],&Rx_buffer[0],307200);
memcpy(&buffer_nprach[0],&Rx_buffer[0],307200);
//filtered_buffer = (int16_t *)calloc(2*FRAME_LENGTH_COMPLEX_SAMPLESx,sizeof(int16_t)); // calcule du taille exacte du tableau 76800
......@@ -394,7 +441,7 @@ uint32_t RX_NPRACH_NB_IoT(PHY_VARS_eNB *eNB, int frame){
if (NPRACH_detection_NB_IoT(Rx_sub_sampled_buffer_128,*length_ouput)){
/*estimated_TA_coarse = TA_estimation_NB_IoT(eNB,
Rx_sub_sampled_buffer_128,
sub_sampling_rate,
......@@ -427,8 +474,9 @@ uint32_t RX_NPRACH_NB_IoT(PHY_VARS_eNB *eNB, int frame){
//fprintf(f,"%i \n",Rx_buffer[2*n+1]);
//}*/
printf("\ndetection !!! est_TA = %i ---- %i\n",estimated_TA_coarse,estimated_TA);
printf("\ndetection !!! at frame %i \n",frame);
eNB->preamble_index_NB_IoT = subcarrier_estimation(Rx_sub_sampled_buffer_128); // c'est un uint16_t
printf("estimated subaccier = %i\n",eNB->preamble_index_NB_IoT);
return 1;//estimated_TA;
}else{
......
openair1/PHY/defs.h
View file @ 0fbe0e79
......@@ -509,7 +509,7 @@ typedef struct PHY_VARS_eNB_s {
/////////////// NB-IoT testing ////////////////////////////
volatile uint16_t preamble_index_NB_IoT;
NB_IoT_eNB_NPBCH_t npbch;
NB_IoT_eNB_NDLSCH_t *ndlsch[NUMBER_OF_UE_MAX];
NB_IoT_eNB_NDLSCH_t ndlsch_SIB;
......
openair1/PHY/defs_common.h
View file @ 0fbe0e79
......@@ -77,12 +77,16 @@ typedef struct {
uint8_t dci_to_transmit;
uint8_t rar_to_transmit;
uint8_t subframe_SP;
int next_frame_tx;
int next_subframe_tx;
uint8_t SP;
uint8_t there_is_sib23;
int next_frame_tx_DCI;
int next_subframe_tx_DCI;
uint32_t sheduling_info_rar;
uint8_t flag_scrambling;
uint8_t remaining_dci;
uint8_t remaining_rar;
......
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ 0fbe0e79
......@@ -498,13 +498,15 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
// NB-IoT synchro signals
common_signal_procedures_NB_IoT(eNB,proc);
// common_signal_procedures_NB_IoT(eNB,proc);
/////////////////// NB-IoT broadcast channel //////////////////////////
//RA_template[i].RA_active=TRUE;
RA_TEMPLATE *RA_template = (RA_TEMPLATE *)&eNB_mac_inst[eNB->Mod_id].common_channels[eNB->CC_id].RA_template[0];
if( frame%2 ==0 && subframe ==1)
RA_TEMPLATE *RA_template = (RA_TEMPLATE *)&eNB_mac_inst[eNB->Mod_id].common_channels[eNB->CC_id].RA_template[0];
///if( frame%2 ==0 && subframe ==1)
if(subframe ==7)
{
if( RA_template[0].generate_rar == 1 && proc->sheduling_info_rar != 1)
{
......@@ -513,18 +515,310 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
proc->remaining_dci =4;
proc->sheduling_info_rar =1;
proc->rar_to_transmit =0;
proc->SP =0;
proc->flag_scrambling =0;
//printf("detection ok in TX !!!!!!!!!!!!!!!!!");
//RA_template[0].generate_rar = 0;
//RA_template[0].RA_active = FALSE;
eNB->npdcch_tmp.pdu[0][0]=144; //90
eNB->npdcch_tmp.pdu[0][0]=128; //90
eNB->npdcch_tmp.pdu[0][1]=66; //42
eNB->npdcch_tmp.pdu[0][2]=4; //4
}
}
if(frame%4==0 && proc->dci_to_transmit ==1 && proc->remaining_dci >0)
{
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
//if(frame%4==0 && proc->dci_to_transmit ==1 && proc->remaining_dci >0)
if(proc->dci_to_transmit ==1 && proc->remaining_dci >0)
{
if(((10*frame +subframe) % 8)==2 && subframe != 0 && subframe != 4 && subframe != 6 && proc->SP !=1)
{
printf("\n xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxframe %d, subframe %dxxxxxxxxxxxxxxxxxxxxxxxxxxxx", frame, subframe);
proc->SP =1;
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
if(subframe ==2)
{ proc->subframe_SP =0;
printf("\n DCI 2 sentttttt frame %d, subframe %d", frame, subframe);
printf("\n xxxxxxxxx RA-RNTI = %d xxxxxxxxxxxxxxx", RA_template[0].RA_rnti);
int32_t numbits = 23;
uint8_t RCC;
uint16_t npdcch_D = 16 + 23;
uint16_t npdcch_E = 236;
uint8_t agr_level = 2;
uint8_t dci_number=1;
uint8_t tab_a[3];
tab_a[0]= 128;
tab_a[1]= 66;
tab_a[2]= 4;
int RB_ID_IoT=22 ;
bzero(npdcch_struct->npdcch_e[0],npdcch_E);
memset(npdcch_struct->npdcch_d[0],LTE_NULL_NB_IoT,96);
ccode_encode_NB_IoT (numbits,2,tab_a,npdcch_struct->npdcch_d[0]+96,RA_template[0].RA_rnti);
RCC = sub_block_interleaving_cc_NB_IoT(npdcch_D,npdcch_struct->npdcch_d[0]+96,npdcch_struct->npdcch_w[0]);
lte_rate_matching_cc_NB_IoT(RCC,npdcch_E,npdcch_struct->npdcch_w[0],npdcch_struct->npdcch_e[0]);
npdcch_scrambling_NB_IoT(fp,npdcch_struct->npdcch_e[0],npdcch_E,(uint8_t)subframe*2,1,agr_level);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
} else {
proc->subframe_SP =1;
if( ((frame)%2==1) && ((frame)%64<16))
{
proc->there_is_sib23 =8;
} else {
printf("\n DCI 8 sentttttt frame %d, subframe %d", frame, subframe);
printf("\n xxxxxxxxx RA-RNTI = %d xxxxxxxxxxxxxxx", RA_template[0].RA_rnti);
int32_t numbits = 23;
uint8_t RCC;
uint16_t npdcch_D = 16 + 23;
uint16_t npdcch_E = 236;
uint8_t agr_level = 2;
uint8_t dci_number=1;
uint8_t tab_a[3];
tab_a[0]= 128;
tab_a[1]= 66;
tab_a[2]= 4;
int RB_ID_IoT=22 ;
bzero(npdcch_struct->npdcch_e[0],npdcch_E);
memset(npdcch_struct->npdcch_d[0],LTE_NULL_NB_IoT,96);
ccode_encode_NB_IoT (numbits,2,tab_a,npdcch_struct->npdcch_d[0]+96,RA_template[0].RA_rnti);
RCC = sub_block_interleaving_cc_NB_IoT(npdcch_D,npdcch_struct->npdcch_d[0]+96,npdcch_struct->npdcch_w[0]);
lte_rate_matching_cc_NB_IoT(RCC,npdcch_E,npdcch_struct->npdcch_w[0],npdcch_struct->npdcch_e[0]);
npdcch_scrambling_NB_IoT(fp,npdcch_struct->npdcch_e[0],npdcch_E,(uint8_t)subframe*2,1,agr_level);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
}
}
if(proc->subframe_SP ==0 && proc->SP ==1)
{
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
if(subframe ==3)
{
printf("\n DCI 3 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if((subframe == 4) && (frame%2==0) && (frame%32>=16) )
{
printf("\n DCI 4 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if(subframe ==6)
{
printf("\n DCI 6 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
if(proc->remaining_dci == 0)
{
proc->dci_to_transmit =0;
proc->rar_to_transmit =1;
proc->remaining_rar =4;
printf("xxxxx ERROR %d XXXXXX",proc->remaining_dci);
// proc->next_frame_tx=frame+2;
// proc->next_subframe_tx=1;
if(((frame+1)%2==1) && ((frame+1)%64<16))
{
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=1;
}else {
proc->next_frame_tx=frame+1;
proc->next_subframe_tx=2;
}
}
}
if(subframe ==7)
{
printf("\n DCI 7 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
if(proc->remaining_dci == 0)
{
proc->dci_to_transmit =0;
proc->rar_to_transmit =1;
proc->remaining_rar =4;
// proc->next_frame_tx=frame+2;
// proc->next_subframe_tx=1;
if(((frame+1)%2==1) && ((frame+1)%64<16))
{
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=1;
}else {
proc->next_frame_tx=frame+1;
proc->next_subframe_tx=3;
}
}
}
}
if(proc->subframe_SP ==1 && proc->SP ==1)
{
if(proc->there_is_sib23==8)
{
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
if(subframe ==1)
{ printf("\n DCI 1 sentttttt frame %d, subframe %d", frame, subframe);
printf("\n xxxxxxxxx RA-RNTI = %d xxxxxxxxxxxxxxx", RA_template[0].RA_rnti);
int32_t numbits = 23;
uint8_t RCC;
uint16_t npdcch_D = 16 + 23;
uint16_t npdcch_E = 236;
uint8_t agr_level = 2;
uint8_t dci_number=1;
uint8_t tab_a[3];
tab_a[0]= 128;
tab_a[1]= 66;
tab_a[2]= 4;
int RB_ID_IoT=22 ;
bzero(npdcch_struct->npdcch_e[0],npdcch_E);
memset(npdcch_struct->npdcch_d[0],LTE_NULL_NB_IoT,96);
ccode_encode_NB_IoT (numbits,2,tab_a,npdcch_struct->npdcch_d[0]+96,RA_template[0].RA_rnti);
RCC = sub_block_interleaving_cc_NB_IoT(npdcch_D,npdcch_struct->npdcch_d[0]+96,npdcch_struct->npdcch_w[0]);
lte_rate_matching_cc_NB_IoT(RCC,npdcch_E,npdcch_struct->npdcch_w[0],npdcch_struct->npdcch_e[0]);
npdcch_scrambling_NB_IoT(fp,npdcch_struct->npdcch_e[0],npdcch_E,(uint8_t)subframe*2,1,agr_level);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if(subframe ==2)
{
printf("\n DCI 2 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if(subframe ==3)
{
printf("\n DCI 3 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if((subframe == 4) && (frame%2==0) && (frame%32>=16) )
{
printf("\n DCI 4 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
if(proc->remaining_dci == 0)
{
proc->dci_to_transmit =0;
proc->rar_to_transmit =1;
proc->remaining_rar =4;
printf("xxxxx ERROR %d XXXXXX",proc->remaining_dci);
//proc->next_frame_tx=frame+1;
// proc->next_subframe_tx=8;
if(((frame+1)%2==1) && ((frame+1)%64<16))
{
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=1;
} else {
proc->next_frame_tx=frame+1;
proc->next_subframe_tx=1;
}
}
}
if((subframe == 6))
{
printf("\n DCI 6 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
if(proc->remaining_dci == 0)
{
proc->dci_to_transmit =0;
proc->rar_to_transmit =1;
proc->remaining_rar =4;
printf("xxxxx ERROR %d XXXXXX",proc->remaining_dci);
// proc->next_frame_tx=frame+2;
// proc->next_subframe_tx=1;
if(((frame+1)%2==1) && ((frame+1)%64<16))
{
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=1;
} else {
proc->next_frame_tx=frame+1;
proc->next_subframe_tx=2;
}
}
}
} else {
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
if(subframe ==9)
{
printf("\n DCI 9 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if(subframe == 1 )
{
printf("\n DCI 1 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
}
if(subframe ==2)
{
printf("\n DCI 2 sentttttt frame %d, subframe %d", frame, subframe);
dci_modulation_NB_IoT(txdataF,AMP,fp,3,npdcch_struct->npdcch_e[0],1,2,22,subframe);
proc->remaining_dci--;
if(proc->remaining_dci == 0)
{
proc->dci_to_transmit =0;
proc->rar_to_transmit =1;
proc->remaining_rar =4;
printf("xxxxx ERROR %d XXXXXX",proc->remaining_dci);
proc->next_frame_tx=frame;
proc->next_subframe_tx=7;
}
}
}
}
NB_IoT_eNB_NPDCCH_temp_t *npdcch_struct = &eNB->npdcch_tmp;
if(subframe==2)
{
printf("\n DCI 2 sentttttt frame %d, subframe %d", frame, subframe);
......@@ -580,55 +874,9 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
proc->remaining_rar =4;
printf("xxxxx ERROR %d XXXXXX",proc->remaining_dci);
// uint8_t sib23x=0;
// uint8_t sib23v1x=0;
// uint8_t sib1v1x=0;
/* if( ((frame+1)%2==1) && ((frame+1)%64<16))
{
sib23x =1;
}*/
//if(sib23x ==1)
//{
/* if( ((frame+3)%2==1) && ((frame+3)%64<16))
{
sib23v1x =1;
}
if( ((frame+2)%2==0) && ((frame+2)%32<16))
{
sib1v1x =1;
}
if(sib23v1x ==1)
{
if(sib1v1x ==1)
{
proc->next_frame_tx=frame+4;
proc->next_subframe_tx=3;
}else{
proc->next_frame_tx=frame+4;
proc->next_subframe_tx=2;
}
} else {
if(sib1v1x ==1)
{
proc->next_frame_tx=frame+3;
proc->next_subframe_tx=3;
}else{
proc->next_frame_tx=frame+3;
proc->next_subframe_tx=2;
}
}
*/
///} else {
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=1;
// }
}
}
......@@ -643,78 +891,29 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
proc->rar_to_transmit =1;
proc->remaining_rar =4;
/* uint8_t sib23=0;
uint8_t sib23v1=0;
uint8_t sib1v1=0;
if( ((frame+1)%2==1) && ((frame+1)%64<16))
{
sib23 =1;
}
if(sib23 ==1)
{
if( ((frame+3)%2==1) && ((frame+3)%64<16))
{
sib23v1 =1;
}
if( ((frame+2)%2==0) && ((frame+2)%32<16))
{
sib1v1 =1;
}
if(sib23v1 ==1)
{
if(sib1v1 ==1)
{
proc->next_frame_tx=frame+4;
proc->next_subframe_tx=3;
}else{
proc->next_frame_tx=frame+4;
proc->next_subframe_tx=2;
}
} else {
if(sib1v1 ==1)
{
proc->next_frame_tx=frame+3;
proc->next_subframe_tx=3;
}else{
proc->next_frame_tx=frame+3;
proc->next_subframe_tx=2;
}
}
} else {*/
proc->next_frame_tx=frame+2;
proc->next_subframe_tx=2;
// }
// uint32_t sheduling_info_rar;
}
}
}
}
}
if(subframe !=5 && subframe !=0)
if(subframe !=5 && subframe !=0)
{
if(proc->rar_to_transmit ==1 && proc->remaining_rar >0)
{
NB_IoT_DL_eNB_RAR_t *rar = &eNB->ndlsch_rar.content_rar;
uint8_t tab_rar[7];
tab_rar[0]=64;
// printf("xxxxx index verif %d XXXXXX",RA_template[0].preamble_index);
tab_rar[0]=64 + RA_template[0].preamble_index;
tab_rar[1]=0;
tab_rar[2]=42;
tab_rar[3]=67;
tab_rar[4]=64;
tab_rar[5]=0; // 16
tab_rar[6]=5; // 5
tab_rar[6]=5; // 5*/
//T-CRNTI =4101
if(proc->remaining_rar == 4)
/* if(proc->remaining_rar == 4)
{
dlsch_encoding_rar_NB_IoT(tab_rar,
rar,
......@@ -730,10 +929,10 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
subframe*2,
RA_template[0].RA_rnti);
}
}*/
if(frame == proc->next_frame_tx && subframe == proc->next_subframe_tx)
if(frame == proc->next_frame_tx && subframe == proc->next_subframe_tx)
{
if(subframe == 4)
......@@ -750,6 +949,25 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
proc->next_subframe_tx =subframe+2;
} else {
if(proc->flag_scrambling ==0)
{
dlsch_encoding_rar_NB_IoT(tab_rar,
rar,
8, ///// number_of_subframes_required
236,
1); //////////// G*2
dlsch_sib_scrambling_rar_NB_IoT(fp,
rar,
236,
frame,
subframe*2,
RA_template[0].RA_rnti);
}
proc->flag_scrambling =1;
printf("\n RAR sentttttt frame %d, subframe %d", frame, subframe);
dlsch_modulation_rar_NB_IoT(txdataF,
AMP,
......@@ -766,6 +984,29 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
}
} else {
if( ((frame)%2==0) && (subframe ==9))
{
proc->next_subframe_tx =1;
proc->next_frame_tx = proc->next_frame_tx+1;
} else {
if(proc->flag_scrambling ==0)
{
dlsch_encoding_rar_NB_IoT(tab_rar,
rar,
8, ///// number_of_subframes_required
236,
1); //////////// G*2
dlsch_sib_scrambling_rar_NB_IoT(fp,
rar,
236,
frame,
subframe*2,
RA_template[0].RA_rnti);
}
proc->flag_scrambling =1;
printf("\n RAR sentttttt frame %d, subframe %d", frame, subframe);
dlsch_modulation_rar_NB_IoT(txdataF,
......@@ -780,7 +1021,7 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
proc->remaining_rar--;
proc->next_subframe_tx =subframe+1;
}
}
......@@ -790,6 +1031,7 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
}
}
/////////////////////////// END ///////////////////////////////////////
/*
......@@ -2427,12 +2669,12 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
*/
/////////////////////////////////////////// NB-IoT testing //////////////////////////
if(detection == 1)
if(detection == 1)
{
mac_xface->initiate_ra_proc(eNB->Mod_id,
eNB->CC_id,
frame,
preamble_max,
eNB->preamble_index_NB_IoT,
estimated_TA,
0,subframe,0);
......
openair2/LAYER2/MAC/defs.h
View file @ 0fbe0e79
......@@ -822,7 +822,7 @@ typedef struct {
/// RA RNTI allocated from received PRACH
volatile uint16_t RA_rnti;
/// Received preamble_index
uint8_t preamble_index;
volatile uint8_t preamble_index;
/// Received UE Contention Resolution Identifier
uint8_t cont_res_id[6];
/// Timing offset indicated by PHY
......
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