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Commit ba015c2f authored by Matthieu Kanj's avatar Matthieu Kanj
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bug fix

parent 060cdd70
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Showing with 152 additions and 14 deletions
openair1/PHY/LTE_TRANSPORT/extern_NB_IoT.h
View file @ ba015c2f
......@@ -40,4 +40,30 @@ extern short *ul_ref_sigs_rx_NB_IoT[30][4]; // NB-IoT: format 1 pilots
extern short *ul_ref_sigs_f2_rx_NB_IoT[16]; // NB-IoT: format 2 pilots
extern unsigned short dftsizes[33];
extern int16_t e_phi_re_m6[120];
extern int16_t e_phi_im_m6[120];
extern int16_t e_phi_re_m5[120];
extern int16_t e_phi_im_m5[120];
extern int16_t e_phi_re_m4[120];
extern int16_t e_phi_im_m4[120];
extern int16_t e_phi_re_m3[120];
extern int16_t e_phi_im_m3[120];
extern int16_t e_phi_re_m2[120];
extern int16_t e_phi_im_m2[120];
extern int16_t e_phi_re_m1[120];
extern int16_t e_phi_im_m1[120];
extern int16_t e_phi_re_0[120];
extern int16_t e_phi_im_0[120];
extern int16_t e_phi_re_p1[120];
extern int16_t e_phi_im_p1[120];
extern int16_t e_phi_re_p2[120];
extern int16_t e_phi_im_p2[120];
extern int16_t e_phi_re_p3[120];
extern int16_t e_phi_im_p3[120];
extern int16_t e_phi_re_p4[120];
extern int16_t e_phi_im_p4[120];
extern int16_t e_phi_re_p5[120];
extern int16_t e_phi_im_p5[120];
#endif
\ No newline at end of file
openair1/PHY/LTE_TRANSPORT/proto_NB_IoT.h
View file @ ba015c2f
......@@ -443,11 +443,12 @@ void init_ul_hopping_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms);
void rotate_single_carrier_NB_IoT(PHY_VARS_eNB *eNB,
LTE_DL_FRAME_PARMS *frame_parms,
int32_t **rxdataF_comp,
uint8_t UE_id,
uint8_t symbol,
uint8_t counter_msg3,
uint8_t eNB_id,
uint8_t symbol, //symbol within subframe
uint8_t counter_msg3, /// to be replaced by the number of received part
uint16_t ul_sc_start,
uint8_t Qm,
uint16_t N_SF_per_word,
uint8_t option);
void fill_rbs_zeros_NB_IoT(PHY_VARS_eNB *eNB,
......
openair1/PHY/LTE_TRANSPORT/ulsch_demodulation_NB_IoT.c
View file @ ba015c2f
......@@ -41,6 +41,7 @@
#include "PHY/LTE_ESTIMATION/defs_NB_IoT.h"
#include "openair1/SCHED/defs_NB_IoT.h"
//#include "openair1/PHY/LTE_TRANSPORT/sc_rotation_NB_IoT.h"
#include "T.h"
......@@ -975,7 +976,7 @@ void fill_rbs_zeros_NB_IoT(PHY_VARS_eNB *eNB,
}
/*
void rotate_single_carrier_NB_IoT(PHY_VARS_eNB *eNB,
LTE_DL_FRAME_PARMS *frame_parms,
int32_t **rxdataF_comp,
......@@ -1029,21 +1030,130 @@ void rotate_single_carrier_NB_IoT(PHY_VARS_eNB *eNB,
rxdataF_comp16[1] = (int16_t)(((int32_t)e_phi_re[14*(8-counter_msg3) + l] * (int32_t)rxdataF_comp16_im_2 -
(int32_t)e_phi_im[14*(8-counter_msg3) + l] * (int32_t)rxdataF_comp16_re_2)>>15);
} else {
/*rxdataF_comp16[0] = (int16_t)(((int32_t)e_phi_re[0] * (int32_t)rxdataF_comp16_re_2 +
(int32_t)e_phi_im[0] * (int32_t)rxdataF_comp16_im_2)>>15);
rxdataF_comp16[1] = (int16_t)(((int32_t)e_phi_re[0] * (int32_t)rxdataF_comp16_im_2 -
(int32_t)e_phi_im[0] * (int32_t)rxdataF_comp16_re_2)>>15); */
rxdataF_comp16[0] = (int16_t)(((int32_t)e_phi_re_m6[14*(2-counter_msg3) + l] * (int32_t)rxdataF_comp16_re_2 +
(int32_t)e_phi_im_m6[14*(2-counter_msg3) + l] * (int32_t)rxdataF_comp16_im_2)>>15);
rxdataF_comp16[1] = (int16_t)(((int32_t)e_phi_re_m6[14*(2-counter_msg3) + l] * (int32_t)rxdataF_comp16_im_2 -
(int32_t)e_phi_im_m6[14*(2-counter_msg3) + l] * (int32_t)rxdataF_comp16_re_2)>>15);
// }
//}*/
//////////////////////////////////////////////////////////////////////
void rotate_single_carrier_NB_IoT(PHY_VARS_eNB *eNB,
LTE_DL_FRAME_PARMS *frame_parms,
int32_t **rxdataF_comp,
uint8_t eNB_id,
uint8_t symbol, //symbol within subframe
uint8_t counter_msg3, /// to be replaced by the number of received part
uint16_t ul_sc_start,
uint8_t Qm,
uint16_t N_SF_per_word,
uint8_t option)
{
//uint32_t I_sc = 10;//eNB->ulsch_NB_IoT[UE_id]->harq_process->I_sc; // NB_IoT: subcarrier indication field: must be defined in higher layer
//uint16_t ul_sc_start; // subcarrier start index into UL RB
int16_t pi_2_re[2] = {32767 , 0};
int16_t pi_2_im[2] = {0 , 32767};
int16_t pi_4_re[2] = {32767 , 23170};
int16_t pi_4_im[2] = {0 , 23170};
int16_t *e_phi_re,*e_phi_im;
int16_t *rxdataF_comp16;
int16_t rxdataF_comp16_re, rxdataF_comp16_im,rxdataF_comp16_re_2,rxdataF_comp16_im_2;
switch(ul_sc_start)
{
case 0:
e_phi_re = e_phi_re_m6;
e_phi_im = e_phi_im_m6;
break;
case 1:
e_phi_re = e_phi_re_m5;
e_phi_im = e_phi_im_m5;
break;
case 2:
e_phi_re = e_phi_re_m4;
e_phi_im = e_phi_im_m4;
break;
case 3:
e_phi_re = e_phi_re_m3;
e_phi_im = e_phi_im_m3;
break;
case 4:
e_phi_re = e_phi_re_m2;
e_phi_im = e_phi_im_m2;
break;
case 5:
e_phi_re = e_phi_re_m1;
e_phi_im = e_phi_im_m1;
break;
case 6:
e_phi_re = e_phi_re_0;
e_phi_im = e_phi_im_0;
break;
case 7:
e_phi_re = e_phi_re_p1;
e_phi_im = e_phi_im_p1;
break;
case 8:
e_phi_re = e_phi_re_p2;
e_phi_im = e_phi_im_p2;
break;
case 9:
e_phi_re = e_phi_re_p3;
e_phi_im = e_phi_im_p3;
break;
case 10:
e_phi_re = e_phi_re_p4;
e_phi_im = e_phi_im_p4;
break;
case 11:
e_phi_re = e_phi_re_p5;
e_phi_im = e_phi_im_p5;
break;
}
//ul_sc_start = get_UL_sc_start_NB_IoT(I_sc); // NB-IoT: get the used subcarrier in RB
rxdataF_comp16 = (int16_t *)&rxdataF_comp[0][symbol*frame_parms->N_RB_DL*12 + ul_sc_start];
rxdataF_comp16_re = rxdataF_comp16[0];
rxdataF_comp16_im = rxdataF_comp16[1];
rxdataF_comp16_re_2 = rxdataF_comp16_re;
rxdataF_comp16_im_2 = rxdataF_comp16_re;
/// Apply two rotations, see section 10.1.5 in TS 36.211
if (Qm == 1){ // rotation due to pi/2 BPSK
rxdataF_comp16_re_2 = (int16_t)(((int32_t)pi_2_re[symbol%2] * (int32_t)rxdataF_comp16_re +
(int32_t)pi_2_im[symbol%2] * (int32_t)rxdataF_comp16_im)>>15);
rxdataF_comp16_im_2 = (int16_t)(((int32_t)pi_2_re[symbol%2] * (int32_t)rxdataF_comp16_im -
(int32_t)pi_2_im[symbol%2] * (int32_t)rxdataF_comp16_re)>>15);
}
if(Qm == 2){ // rotation due to pi/4 QPSK
rxdataF_comp16_re_2 = (int16_t)(((int32_t)pi_4_re[symbol%2] * (int32_t)rxdataF_comp16_re +
(int32_t)pi_4_im[symbol%2] * (int32_t)rxdataF_comp16_im)>>15);
rxdataF_comp16_im_2 = (int16_t)(((int32_t)pi_4_re[symbol%2] * (int32_t)rxdataF_comp16_im -
(int32_t)pi_4_im[symbol%2] * (int32_t)rxdataF_comp16_re)>>15);
}
if(option==0) // rotation for msg3 (NPUSCH format 1)
{
rxdataF_comp16[0] = (int16_t)(((int32_t)e_phi_re[14*(N_SF_per_word-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_re_2 +
(int32_t)e_phi_im[14*(N_SF_per_word-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_im_2)>>15);
rxdataF_comp16[1] = (int16_t)(((int32_t)e_phi_re[14*(N_SF_per_word-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_im_2 -
(int32_t)e_phi_im[14*(N_SF_per_word-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_re_2)>>15);
}
if(option==1) // rotation for msg5 (NPUSCH format 1)
{
rxdataF_comp16[0] = (int16_t)(((int32_t)e_phi_re[14*(2-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_re_2 +
(int32_t)e_phi_im[14*(2-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_im_2)>>15);
rxdataF_comp16[1] = (int16_t)(((int32_t)e_phi_re[14*(2-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_im_2 -
(int32_t)e_phi_im[14*(2-counter_msg3) + symbol] * (int32_t)rxdataF_comp16_re_2)>>15);
}
/*printf("\n");
printf(" re_eq_data = %d im_eq_data = %d ",rxdataF_comp16[0],rxdataF_comp16[1]);
printf("\n");*/
}
//////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
void rotate_bpsk_NB_IoT(PHY_VARS_eNB *eNB,
LTE_DL_FRAME_PARMS *frame_parms,
......@@ -1298,6 +1408,7 @@ uint8_t rx_ulsch_Gen_NB_IoT(PHY_VARS_eNB *eNB,
ulsch_NB_IoT->counter_sf, //counter_msg,
ul_sc_start,
Qm,
N_SF_per_word,
npusch_format); // or data
}
//////////////////////////////////////////End rotation ///////////////////////////////////
......
openair2/LAYER2/MAC/output_handler_NB_IoT.c
View file @ ba015c2f
......@@ -290,8 +290,8 @@ int output_handler(eNB_MAC_INST_NB_IoT *mac_inst, module_id_t module_id, int CC_
//contidition should be added to select either the UL_TBS_Table or t UL_TBS_table_msg3
// ******* sc_spacing issues to be fixed next *******////
uint8_t sc_spacing = 0;
(ul_config_pdu + i) ->nulsch_pdu.nulsch_pdu_rel13.handle = sc_spacing; // 0 for 15 KHz , 1 for 3.75 KHz
uint8_t sc_spacing = 1;
(ul_config_pdu + i) ->nulsch_pdu.nulsch_pdu_rel13.handle = sc_spacing; // 1 for 15 KHz , 0 for 3.75 KHz
//(ul_config_pdu + i) ->nulsch_pdu.nulsch_pdu_rel13.size = UL_TBS_Table[((DCIFormatN0_t *)DCI_pdu)->mcs][((DCIFormatN0_t *)DCI_pdu)->ResAssign];
//(ul_config_pdu + i) ->nulsch_pdu.nulsch_pdu_rel13.size = UL_TBS_Table[get_UL_I_TBS_from_MCS_NB_IoT(((DCIFormatN0_t *)DCI_pdu)->mcs, get_N_RU(((DCIFormatN0_t *)DCI_pdu)->ResAssign), 0)][((DCIFormatN0_t *)DCI_pdu)->ResAssign];
// get_UL_I_TBS_from_MCS_NB_IoT() to be used to get the I_TBS for any NPUSCH format
......
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