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Commit 92f0af71 authored by Matthieu Kanj's avatar Matthieu Kanj
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speration completed for the file /PHY/LTE_TRANSPORT/dci_nb_iot.c + 

remouving warnings (137 remaining)
parent 6e494638
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openair1/PHY/INIT/lte_init_nb_iot.c
View file @ 92f0af71
......@@ -20,7 +20,7 @@
*/
//#include "defs.h"
//#include "SCHED/defs.h"
#include "SCHED/defs_nb_iot.h"
//#include "PHY/extern.h"
#include "PHY/extern_NB_IoT.h"
#include "RRC/LITE/proto_nb_iot.h"
......
openair1/PHY/LTE_REFSIG/lte_dl_cell_spec_NB_IoT.c
View file @ 92f0af71
......@@ -28,7 +28,7 @@ int lte_dl_cell_spec_NB_IoT(PHY_VARS_eNB_NB_IoT *phy_vars_eNB,
unsigned char p,
unsigned short RB_IoT_ID) // the ID of the RB dedicated for NB_IoT
{
unsigned char nu,mprime,mprime_dword,mprime_qpsk_symb,m;
unsigned char nu,m;
unsigned short k,a;
unsigned short NB_IoT_start,bandwidth_even_odd;
int32_t qpsk[4];
......@@ -59,7 +59,7 @@ int lte_dl_cell_spec_NB_IoT(PHY_VARS_eNB_NB_IoT *phy_vars_eNB,
// testing if the total number of RBs is even or odd
bandwidth_even_odd = phy_vars_eNB->frame_parms.N_RB_DL % 2; // 0 even, 1 odd
mprime = 0; // mprime = 0,1 for NB_IoT // for LTE , maximum number of resources blocks (110) - the total number of RB in the selected bandwidth (.... 15 , 25 , 50, 100)
//mprime = 0; // mprime = 0,1 for NB_IoT // for LTE , maximum number of resources blocks (110) - the total number of RB in the selected bandwidth (.... 15 , 25 , 50, 100)
k = (nu + phy_vars_eNB->frame_parms.nushift)%6;
if(RB_IoT_ID < (phy_vars_eNB->frame_parms.N_RB_DL/2))
......
openair1/PHY/LTE_TRANSPORT/dci_nb_iot.c
View file @ 92f0af71
......@@ -36,13 +36,16 @@
#endif
//#include "PHY/defs.h"
#include "PHY/defs_nb_iot.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#include "SIMULATION/TOOLS/defs.h" // for taus
#include "PHY/sse_intrin.h"
#include "PHY/LTE_REFSIG/defs_NB_IoT.h"
//#include "PHY/extern.h"
//////////#include "PHY/extern_NB_IoT.h"
//#include "SCHED/defs.h"
/////////////////////////////#include "SCHED/defs_nb_iot.h"
//#include "SIMULATION/TOOLS/defs.h" // for taus
//#include "PHY/sse_intrin.h"
#include "assertions.h"
#include "T.h"
//#include "assertions.h"
//#include "T.h"
//------------------------------------------------
......@@ -53,14 +56,14 @@ static uint8_t d[2][3*(MAX_DCI_SIZE_BITS_NB_IOT + 16) + 96];
static uint8_t w[2][3*3*(MAX_DCI_SIZE_BITS_NB_IOT+16)];
/*
void dci_encoding_NB_IoT(uint8_t *a[2], // Array of two DCI pdus, even if one DCI is to transmit , the number of DCI is indicated in dci_number
uint8_t A, // Length of array a (in number of bytes)(es 4 bytes = 32 bits) is a parameter fixed
uint16_t E, // E should equals to G (number of available bits in one RB)
uint8_t *e[2], // *e should be e[2][G]
uint16_t rnti[2], // RNTI for UE specific or common search space
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
void dci_encoding_NB_IoT(uint8_t *a[2], // Array of two DCI pdus, even if one DCI is to transmit , the number of DCI is indicated in dci_number
uint8_t A, // Length of array a (in number of bytes)(es 4 bytes = 32 bits) is a parameter fixed
uint16_t E, // E should equals to G (number of available bits in one RB)
uint8_t *e[2], // *e should be e[2][G]
uint16_t rnti[2], // RNTI for UE specific or common search space
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
{
uint8_t D = (A + 16);
uint32_t RCC;
......@@ -74,7 +77,7 @@ void dci_encoding_NB_IoT(uint8_t *a[2], // Array of two DCI pdus, even if one
}else{
occupation_size=2;
}
memset((void *)d[0],LTE_NULL,96);
memset((void *)d[0],LTE_NULL_NB_IoT,96);
ccode_encode_NB_IoT(A,2,a[0],d[0]+96,rnti[0]); // CRC attachement & Tail-biting convolutional coding
RCC = sub_block_interleaving_cc_NB_IoT(D,d[0]+96,w[0]); // Interleaving
......@@ -82,8 +85,8 @@ void dci_encoding_NB_IoT(uint8_t *a[2], // Array of two DCI pdus, even if one
}else if (dci_number == 2) {
memset((void *)d[0],LTE_NULL,96);
memset((void *)d[1],LTE_NULL,96);
memset((void *)d[0],LTE_NULL_NB_IoT,96);
memset((void *)d[1],LTE_NULL_NB_IoT,96);
// first DCI encoding
ccode_encode_NB_IoT(A,2,a[0],d[0]+96,rnti[0]); // CRC attachement & Tail-biting convolutional coding
RCC = sub_block_interleaving_cc_NB_IoT(D,d[0]+96,w[0]); // interleaving
......@@ -99,19 +102,20 @@ void dci_encoding_NB_IoT(uint8_t *a[2], // Array of two DCI pdus, even if one
///The scrambling sequence shall be initialised at the start of the search space and after every 4th NPDCCH subframes.
///
///
void npdcch_scrambling_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
uint8_t *e[2], // Input data
int length, // Total number of bits to transmit in one subframe(case of DCI = G)
uint8_t Ns,//XXX we pass the subframe // Slot number (0..19)
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
void npdcch_scrambling_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
uint8_t *e[2], // Input data
int length, // Total number of bits to transmit in one subframe(case of DCI = G)
uint8_t Ns, //XXX we pass the subframe // Slot number (0..19)
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
{
int i,j,k=0;
int i,k=0;
uint32_t x1, x2, s=0;
uint8_t reset;
reset = 1;
uint8_t occupation_size=1;
reset = 1;
if(agr_level == 2)
{
occupation_size=1;
......@@ -161,39 +165,40 @@ void npdcch_scrambling_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
}
int dci_allocate_REs_in_RB_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
int32_t **txdataF,
uint32_t *jj,
uint32_t symbol_offset,
uint8_t *x0[2],
uint8_t pilots,
int16_t amp,
unsigned short id_offset,
uint32_t *re_allocated, // not used variable ??!!
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level)
int dci_allocate_REs_in_RB_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
int32_t **txdataF,
uint32_t *jj,
uint32_t symbol_offset,
uint8_t *x0[2],
uint8_t pilots,
int16_t amp,
unsigned short id_offset,
uint32_t *re_allocated, // not used variable ??!!
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level)
{
MIMO_mode_t mimo_mode = (frame_parms->mode1_flag==1)?SISO:ALAMOUTI;
MIMO_mode_NB_IoT_t mimo_mode = (frame_parms->mode1_flag==1)?SISO_NB_IoT:ALAMOUTI_NB_IoT;
uint32_t tti_offset,aa;
uint8_t re, diff_re;
uint8_t re;
int16_t gain_lin_QPSK;
uint8_t first_re,last_re;
int32_t tmp_sample1,tmp_sample2,tmp_sample3,tmp_sample4;
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15);
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15_NB_IoT)>>15);
first_re=0;
last_re=12;
if(agr_level == 2 && dci_number == 1)
{
for (re=first_re; re<last_re; re++) { // re varies between 0 and 12 sub-carriers
for (re=first_re; re<last_re; re++) { // re varies between 0 and 12 sub-carriers
tti_offset = symbol_offset + re; // symbol_offset = 512 * L , re_offset = 512 - 3*12 , re
if (pilots != 1 || re%3 != id_offset) // if re is not a pilot
{
// diff_re = re%3 - id_offset;
if (mimo_mode == SISO) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
// diff_re = re%3 - id_offset;
if (mimo_mode == SISO_NB_IoT) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[0] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
......@@ -204,208 +209,209 @@ int dci_allocate_REs_in_RB_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
}
*jj = *jj + 1;
} else if (mimo_mode == ALAMOUTI) {
*re_allocated = *re_allocated + 1;
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
re++; // skip pilots
} else if (mimo_mode == ALAMOUTI_NB_IoT) {
*re_allocated = *re_allocated + 1;
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
re++; // skip pilots
*re_allocated = *re_allocated + 1;
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
}
}
}else if(agr_level == 1 && dci_number == 1){
for (re=first_re; re<6; re++) { // re varies between 0 and 6 sub-carriers
}else if(agr_level == 1 && dci_number == 1){
tti_offset = symbol_offset + re; // symbol_offset = 512 * L , re_offset = 512 - 3*12 , re
for (re=first_re; re<6; re++) { // re varies between 0 and 6 sub-carriers
if (pilots != 1 || re%3 != id_offset) // if re is not a pilot
{
tti_offset = symbol_offset + re; // symbol_offset = 512 * L , re_offset = 512 - 3*12 , re
if (pilots != 1 || re%3 != id_offset) // if re is not a pilot
{
// diff_re = re%3 - id_offset;
if (mimo_mode == SISO) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
if (mimo_mode == SISO_NB_IoT) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[0] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
}
*jj = *jj + 1;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[1] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
}
*jj = *jj + 1;
} else if (mimo_mode == ALAMOUTI) {
*re_allocated = *re_allocated + 1;
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
re++; // skip pilots
*re_allocated = *re_allocated + 1;
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
}
}
} else {
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[0] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
}
*jj = *jj + 1;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[1] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
}
*jj = *jj + 1;
// allocate first DCI
for (re=first_re; re<6; re++) { // re varies between 0 and 12 sub-carriers
} else if (mimo_mode == ALAMOUTI_NB_IoT) {
tti_offset = symbol_offset + re; // symbol_offset = 512 * L , re_offset = 512 - 3*12 , re
*re_allocated = *re_allocated + 1;
if (pilots != 1 || re%3 != id_offset) // if re is not a pilot
{
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
re++; // skip pilots
*re_allocated = *re_allocated + 1;
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
}
}
} else {
// allocate first DCI
for (re=first_re; re<6; re++) { // re varies between 0 and 12 sub-carriers
tti_offset = symbol_offset + re; // symbol_offset = 512 * L , re_offset = 512 - 3*12 , re
if (pilots != 1 || re%3 != id_offset) { // if re is not a pilot
// diff_re = re%3 - id_offset;
if (mimo_mode == SISO) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
if (mimo_mode == SISO_NB_IoT) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[0] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
((int16_t*)&txdataF[aa][tti_offset+6])[0] += (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
}
*jj = *jj + 1;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[1] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
((int16_t*)&txdataF[aa][tti_offset+6])[1] += (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
}
*jj = *jj + 1;
} else if (mimo_mode == ALAMOUTI) {
*re_allocated = *re_allocated + 1;
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample3)[0] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample3)[1] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
((int16_t*)&tmp_sample4)[0] = (x0[1][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample4)[1] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset+6])[0] += (int16_t)((((int16_t*)&tmp_sample3)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset+6])[1] += (int16_t)((((int16_t*)&tmp_sample3)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset+6])[0] += (int16_t)((((int16_t*)&tmp_sample4)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset+6])[1] += (int16_t)((((int16_t*)&tmp_sample4)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
((int16_t *)&txdataF[0][tti_offset+6+1])[0] += -((int16_t *)&txdataF[1][tti_offset+6])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+6+1])[1] += ((int16_t *)&txdataF[1][tti_offset+6])[1];
((int16_t *)&txdataF[1][tti_offset+6+1])[0] += ((int16_t *)&txdataF[0][tti_offset+6])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+6+1])[1] += -((int16_t *)&txdataF[0][tti_offset+6])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
((int16_t *)&txdataF[0][tti_offset+6+2])[0] += -((int16_t *)&txdataF[1][tti_offset+6])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+6+2])[1] += ((int16_t *)&txdataF[1][tti_offset+6])[1];
((int16_t *)&txdataF[1][tti_offset+6+2])[0] += ((int16_t *)&txdataF[0][tti_offset+6])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+6+2])[1] += -((int16_t *)&txdataF[0][tti_offset+6])[1];
re++; // skip pilots
*re_allocated = *re_allocated + 1;
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
}
}
}
return(0);
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[0] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
((int16_t*)&txdataF[aa][tti_offset+6])[0] += (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
}
*jj = *jj + 1;
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
((int16_t*)&txdataF[aa][tti_offset])[1] += (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
((int16_t*)&txdataF[aa][tti_offset+6])[1] += (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
}
*jj = *jj + 1;
} else if (mimo_mode == ALAMOUTI_NB_IoT) {
*re_allocated = *re_allocated + 1;
((int16_t*)&tmp_sample1)[0] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample3)[0] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample3)[1] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// second antenna position n -> -x1*
((int16_t*)&tmp_sample2)[0] = (x0[0][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
((int16_t*)&tmp_sample4)[0] = (x0[1][*jj]==1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
*jj=*jj+1;
((int16_t*)&tmp_sample2)[1] = (x0[0][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&tmp_sample4)[1] = (x0[1][*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj=*jj+1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset+6])[0] += (int16_t)((((int16_t*)&tmp_sample3)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[0][tti_offset+6])[1] += (int16_t)((((int16_t*)&tmp_sample3)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset+6])[0] += (int16_t)((((int16_t*)&tmp_sample4)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset+6])[1] += (int16_t)((((int16_t*)&tmp_sample4)[1]*ONE_OVER_SQRT2_Q15)>>15);
// fill in the rest of the ALAMOUTI precoding
if ( pilots != 1 || (re+1)%3 != id_offset) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+1])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+1])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
((int16_t *)&txdataF[0][tti_offset+6+1])[0] += -((int16_t *)&txdataF[1][tti_offset+6])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+6+1])[1] += ((int16_t *)&txdataF[1][tti_offset+6])[1];
((int16_t *)&txdataF[1][tti_offset+6+1])[0] += ((int16_t *)&txdataF[0][tti_offset+6])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+6+1])[1] += -((int16_t *)&txdataF[0][tti_offset+6])[1];
} else {
((int16_t *)&txdataF[0][tti_offset+2])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+2])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
((int16_t *)&txdataF[1][tti_offset+2])[0] += ((int16_t *)&txdataF[0][tti_offset])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+2])[1] += -((int16_t *)&txdataF[0][tti_offset])[1];
((int16_t *)&txdataF[0][tti_offset+6+2])[0] += -((int16_t *)&txdataF[1][tti_offset+6])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+6+2])[1] += ((int16_t *)&txdataF[1][tti_offset+6])[1];
((int16_t *)&txdataF[1][tti_offset+6+2])[0] += ((int16_t *)&txdataF[0][tti_offset+6])[0]; //x0*
((int16_t *)&txdataF[1][tti_offset+6+2])[1] += -((int16_t *)&txdataF[0][tti_offset+6])[1];
re++; // skip pilots
*re_allocated = *re_allocated + 1;
}
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1; // incremented variable but never used
}
}
}
}
return(0);
}
int dci_modulation_NB_IoT(int32_t **txdataF,
int16_t amp,
NB_IoT_DL_FRAME_PARMS *frame_parms,
uint8_t control_region_size,//XXX we pass the npdcch_start_symbol // control region size for LTE , values between 0..3, (0 for stand-alone / 1, 2 or 3 for in-band)
uint8_t *e[2], // Input data
int G, // number of bits per subframe
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
int dci_modulation_NB_IoT(int32_t **txdataF,
int16_t amp,
NB_IoT_DL_FRAME_PARMS *frame_parms,
uint8_t control_region_size, //XXX we pass the npdcch_start_symbol // control region size for LTE , values between 0..3, (0 for stand-alone / 1, 2 or 3 for in-band)
uint8_t *e[2], // Input data
int G, // number of bits per subframe
uint8_t dci_number, // This variable should takes the 1 or 2 (1 for in case of one DCI, 2 in case of two DCI)
uint8_t agr_level) // Aggregation level
{
uint32_t jj=0;
uint32_t re_allocated,symbol_offset;
......@@ -416,10 +422,10 @@ int dci_modulation_NB_IoT(int32_t **txdataF,
re_allocated=0;
id_offset=0;
// testing if the total number of RBs is even or odd
bandwidth_even_odd = frame_parms->N_RB_DL % 2; // 0 even, 1 odd
RB_IoT_ID = frame_parms->NB_IoT_RB_ID;
bandwidth_even_odd = frame_parms->N_RB_DL % 2; // 0 even, 1 odd
RB_IoT_ID = frame_parms->NB_IoT_RB_ID;
// step 5, 6, 7 // modulation and mapping (slot 1, symbols 0..3)
for (l=control_region_size; l<14; l++) { // loop on OFDM symbols
for (l=control_region_size; l<14; l++) { // loop on OFDM symbols
if((l>=4 && l<=8) || (l>=11 && l<=13))
{
pilots =1;
......@@ -429,16 +435,16 @@ int dci_modulation_NB_IoT(int32_t **txdataF,
id_offset = frame_parms->Nid_cell % 3; // Cell_ID_NB_IoT % 3
if(RB_IoT_ID < (frame_parms->N_RB_DL/2))
{
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID% (int)(ceil(frame_parms->N_RB_DL/(float)2)));
} else {
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID % (int)(ceil(frame_parms->N_RB_DL/(float)2)));
}
symbol_offset = frame_parms->ofdm_symbol_size*l + NB_IoT_start; // symbol_offset = 512 * L + NB_IOT_RB start
dci_allocate_REs_in_RB_NB_IoT(frame_parms,
txdataF,
&jj,
symbol_offset,
&e,
e,
pilots,
amp,
id_offset,
......@@ -450,7 +456,7 @@ int dci_modulation_NB_IoT(int32_t **txdataF,
// VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_MODULATION, VCD_FUNCTION_OUT);
return (re_allocated);
}
*/
//------------------------------------------------
// BCOM code functions npdcch end
//------------------------------------------------
......@@ -458,15 +464,14 @@ int dci_modulation_NB_IoT(int32_t **txdataF,
uint8_t generate_dci_top_NB_IoT(
NB_IoT_eNB_NPDCCH_t* npdcch,
uint8_t Num_dci,
DCI_ALLOC_NB_IoT_t *dci_alloc,
int16_t amp,
NB_IoT_DL_FRAME_PARMS *fp,
int32_t **txdataF,
uint32_t subframe,
uint8_t npdcch_start_symbol)
uint8_t generate_dci_top_NB_IoT(NB_IoT_eNB_NPDCCH_t *npdcch,
uint8_t Num_dci,
DCI_ALLOC_NB_IoT_t *dci_alloc,
int16_t amp,
NB_IoT_DL_FRAME_PARMS *fp,
int32_t **txdataF,
uint32_t subframe,
uint8_t npdcch_start_symbol)
{
......
openair1/PHY/LTE_TRANSPORT/defs_nb_iot.h
View file @ 92f0af71
......@@ -30,7 +30,7 @@
//// structures below implement 36-211 and 36-212
//
//#define NSOFT 1827072
//#define LTE_NULL 2
#define LTE_NULL_NB_IoT 2
//
//// maximum of 3 segments before each coding block if data length exceeds 6144 bits.
//
......
openair1/PHY/LTE_TRANSPORT/dlsch_modulation_NB_IoT.c
View file @ 92f0af71
......@@ -22,7 +22,7 @@
#include "defs.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
int allocate_REs_in_RB_NB_IoT(NB_IOT_DL_FRAME_PARMS *frame_parms,
int allocate_REs_in_RB_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms,
int32_t **txdataF,
uint32_t *jj,
uint32_t symbol_offset,
......@@ -32,13 +32,13 @@ int allocate_REs_in_RB_NB_IoT(NB_IOT_DL_FRAME_PARMS *frame_parms,
unsigned short id_offset,
uint32_t *re_allocated) // not used variable ??!!
{
MIMO_mode_t mimo_mode = (frame_parms->mode1_flag==1)?SISO:ALAMOUTI;
MIMO_mode_NB_IoT_t mimo_mode = (frame_parms->mode1_flag==1)?SISO_NB_IoT:ALAMOUTI_NB_IoT;
uint32_t tti_offset,aa;
uint8_t re, diff_re;
int16_t gain_lin_QPSK;
uint8_t first_re,last_re;
int32_t tmp_sample1,tmp_sample2;
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15);
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15_NB_IoT)>>15);
first_re=0;
last_re=12;
......@@ -49,7 +49,7 @@ int allocate_REs_in_RB_NB_IoT(NB_IOT_DL_FRAME_PARMS *frame_parms,
if (pilots != 1 || re%3 != id_offset) // if re is not a pilot
{
// diff_re = re%3 - id_offset;
if (mimo_mode == SISO) { //SISO mapping
if (mimo_mode == SISO_NB_IoT) { //SISO mapping
*re_allocated = *re_allocated + 1; // variable incremented but never used
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
......@@ -61,7 +61,7 @@ int allocate_REs_in_RB_NB_IoT(NB_IOT_DL_FRAME_PARMS *frame_parms,
}
*jj = *jj + 1;
} else if (mimo_mode == ALAMOUTI) {
} else if (mimo_mode == ALAMOUTI_NB_IoT) {
*re_allocated = *re_allocated + 1;
......@@ -110,7 +110,7 @@ int allocate_REs_in_RB_NB_IoT(NB_IOT_DL_FRAME_PARMS *frame_parms,
int dlsch_modulation_NB_IoT(int32_t **txdataF,
int16_t amp,
NB_IOT_DL_FRAME_PARMS *frame_parms,
NB_IoT_DL_FRAME_PARMS *frame_parms,
uint8_t control_region_size, // control region size for LTE , values between 0..3, (0 for stand-alone / 1, 2 or 3 for in-band)
NB_IoT_eNB_DLSCH_t *dlsch0,
int G, // number of bits per subframe
......@@ -128,8 +128,8 @@ int dlsch_modulation_NB_IoT(int32_t **txdataF,
re_allocated=0;
id_offset=0;
// testing if the total number of RBs is even or odd
bandwidth_even_odd = frame_parms->N_RB_DL % 2; // 0 even, 1 odd
RB_IoT_ID = NB_IoT_RB_ID;
bandwidth_even_odd = frame_parms->N_RB_DL % 2; // 0 even, 1 odd
RB_IoT_ID = NB_IoT_RB_ID;
// step 5, 6, 7 // modulation and mapping (slot 1, symbols 0..3)
for (l=control_region_size; l<14; l++) { // loop on OFDM symbols
if((l>=4 && l<=8) || (l>=11 && l<=13))
......@@ -147,14 +147,14 @@ int dlsch_modulation_NB_IoT(int32_t **txdataF,
}
symbol_offset = frame_parms->ofdm_symbol_size*l + NB_IoT_start; // symbol_offset = 512 * L + NB_IOT_RB start
allocate_REs_in_RB_NB_IoT(frame_parms,
txdataF,
&jj,
symbol_offset,
&dlsch0->harq_processes->s_e[G*npdsch_data_subframe],
pilots,
amp,
id_offset,
&re_allocated);
txdataF,
&jj,
symbol_offset,
&dlsch0->harq_processes->s_e[G*npdsch_data_subframe],
pilots,
amp,
id_offset,
&re_allocated);
}
// VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_MODULATION, VCD_FUNCTION_OUT);
......
openair1/PHY/defs_nb_iot.h
View file @ 92f0af71
......@@ -127,6 +127,7 @@ static inline void* malloc16_clear( size_t size )
#include "PHY/TOOLS/time_meas.h"
#include "PHY/CODING/defs.h"
#include "PHY/CODING/defs_nb_iot.h"
#include "PHY/TOOLS/defs.h"
#include "platform_types.h"
......
openair1/PHY/impl_defs_lte_nb_iot.h
View file @ 92f0af71
......@@ -268,5 +268,27 @@ typedef struct {
} NB_IoT_DL_FRAME_PARMS;
typedef enum {
/// TM1
SISO_NB_IoT=0,
/// TM2
ALAMOUTI_NB_IoT=1,
/// TM3
LARGE_CDD_NB_IoT=2,
/// the next 6 entries are for TM5
UNIFORM_PRECODING11_NB_IoT=3,
UNIFORM_PRECODING1m1_NB_IoT=4,
UNIFORM_PRECODING1j_NB_IoT=5,
UNIFORM_PRECODING1mj_NB_IoT=6,
PUSCH_PRECODING0_NB_IoT=7,
PUSCH_PRECODING1_NB_IoT=8,
/// the next 3 entries are for TM4
DUALSTREAM_UNIFORM_PRECODING1_NB_IoT=9,
DUALSTREAM_UNIFORM_PRECODINGj_NB_IoT=10,
DUALSTREAM_PUSCH_PRECODING_NB_IoT=11,
TM7_NB_IoT=12,
TM8_NB_IoT=13,
TM9_10_NB_IoT=14
} MIMO_mode_NB_IoT_t;
#endif
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