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Commit 1dc48ca7 authored by Vincent Savaux's avatar Vincent Savaux
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adapt UL pilot generation to any subcarrier configuration

parent bc93c534
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Showing with 120 additions and 36 deletions
openair1/PHY/INIT/defs_NB_IoT.h
View file @ 1dc48ca7
......@@ -70,7 +70,9 @@ void phy_config_sib2_eNB_NB_IoT(uint8_t Mod_id,
void phy_config_dedicated_eNB_NB_IoT(module_id_t Mod_id,
int CC_id,
rnti_t rnti,
extra_phyConfig_t* extra_phy_parms);
extra_phyConfig_t* extra_phy_parms);
// void phy_init_lte_top_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms);
......
openair1/PHY/INIT/lte_init_NB_IoT.c
View file @ 1dc48ca7
......@@ -382,4 +382,41 @@ void phy_config_dedicated_eNB_NB_IoT(uint8_t Mod_id,
}
// void phy_init_lte_top_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms)
// {
// // crcTableInit();
// // ccodedot11_init();
// // ccodedot11_init_inv();
// // ccodelte_init();
// // ccodelte_init_inv();
// // treillis_table_init();
// // phy_generate_viterbi_tables();
// // phy_generate_viterbi_tables_lte();
// // init_td8();
// // init_td16();
// // #ifdef __AVX2__
// // init_td16avx2();
// // #endif
// // lte_sync_time_init(frame_parms);
// // generate_ul_ref_sigs();
// generate_ul_ref_sigs_rx_NB_IoT();
// // generate_64qam_table();
// // generate_16qam_table();
// // generate_RIV_tables();
// // init_unscrambling_lut();
// // init_scrambling_lut();
// // //set_taus_seed(1328);
// }
openair1/PHY/LTE_REFSIG/defs_NB_IoT.h
View file @ 1dc48ca7
......@@ -53,8 +53,8 @@ unsigned int lte_gold_generic_NB_IoT(unsigned int *x1,
unsigned int *x2,
unsigned char reset);
void generate_ul_ref_sigs_rx(void);
void generate_ul_ref_sigs_rx_NB_IoT(void);
void free_ul_ref_sigs(void);
void free_ul_ref_sigs_NB_IoT(void);
#endif
openair1/PHY/LTE_REFSIG/lte_ul_ref_NB_IoT.c
View file @ 1dc48ca7
......@@ -18,22 +18,35 @@
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_REFSIG/lte_ul_ref_NB_IoT.c
* \function called by lte_dl_cell_spec_NB_IoT.c , TS 36-211, V13.4.0 2017-02
* \author: Vincent Savaux
* \date 2017
* \version 0.0
* \company b<>com
* \email: vincent.savaux@b-com.com
* \note
* \warning
*/
#ifdef MAIN
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#endif
#include "defs.h"
// #include "defs.h"
#include "PHY/LTE_REFSIG/defs_NB_IoT.h"
#include "PHY/defs_NB_IoT.h"
uint16_t dftsizes[33] = {12,24,36,48,60,72,96,108,120,144,180,192,216,240,288,300,324,360,384,432,480,540,576,600,648,720,864,900,960,972,1080,1152,1200};
uint16_t ref_primes[33] = {11,23,31,47,59,71,89,107,113,139,179,191,211,239,283,293,317,359,383,431,479,523,571,599,647,719,863,887,953,971,1069,1151,1193};
uint16_t sequence_length[4] = {1,3,6,12}; //the "1" value should be
uint16_t sequence_length[4] = {32,3,6,12}; //the "32" value corresponds to the max gold sequence length
// int16_t *ul_ref_sigs[30][33];
int16_t *ul_ref_sigs_rx[30][4]; //these contain the sequences in repeated format and quantized to QPSK ifdef IFFT_FPGA
uint16_t u_max[4] = {16,12,14,30}; // maximum u value, see 36.211, Section 10.1.4
/* 36.211 table 5.5.1.2-1 */
char ref12[360] = {-1,1,3,-3,3,3,1,1,3,1,-3,3,1,1,3,3,3,-1,1,-3,-3,1,-3,3,1,1,-3,-3,-3,-1,-3,-3,1,-3,1,-1,-1,1,1,1,1,-1,-3,-3,1,-3,3,-1,-1,3,1,-1,1,-1,-3,-1,1,-1,1,3,1,-3,3,-1,-1,1,1,-1,-1,3,-3,1,-1,3,-3,-3,-3,3,1,-1,3,3,-3,1,-3,-1,-1,-1,1,-3,3,-1,1,-3,3,1,1,-3,3,1,-1,-1,-1,1,1,3,-1,1,1,-3,-1,3,3,-1,-3,1,1,1,1,1,-1,3,-1,1,1,-3,-3,-1,-3,-3,3,-1,3,1,-1,-1,3,3,-3,1,3,1,3,3,1,-3,1,1,-3,1,1,1,-3,-3,-3,1,3,3,-3,3,-3,1,1,3,-1,-3,3,3,-3,1,-1,-3,-1,3,1,3,3,3,-1,1,3,-1,1,-3,-1,-1,1,1,3,1,-1,-3,1,3,1,-1,1,3,3,3,-1,-1,3,-1,-3,1,1,3,-3,3,-3,-3,3,1,3,-1,-3,3,1,1,-3,1,-3,-3,-1,-1,1,-3,-1,3,1,3,1,-1,-1,3,-3,-1,-3,-1,-1,-3,1,1,1,1,3,1,-1,1,-3,-1,-1,3,-1,1,-3,-3,-3,-3,-3,1,-1,-3,1,1,-3,-3,-3,-3,-1,3,-3,1,-3,3,1,1,-1,-3,-1,-3,1,-1,1,3,-1,1,1,1,3,1,3,3,-1,1,-1,-3,-3,1,1,-3,3,3,1,3,3,1,-3,-1,-1,3,1,3,-3,-3,3,-3,1,-1,-1,3,-1,-3,-3,-1,-3,-1,-3,3,1,-1,1,3,-3,-3,-1,3,-3,3,-1,3,3,-3,3,3,-1,-1,3,-3,-3,-1,-1,-3,-1,3,-3,3,1,-1};
......@@ -55,7 +68,7 @@ double alpha3[3] = {0 , M_PI*2/3, M_PI*4/3};
double alpha6[4] = {0 , M_PI*2/6, M_PI*4/6, M_PI*8/6};
// NB-IoT: 36.211, Section 10.1.4.1.1, Table 10.1.4.1.1-1
char w_n[256] = {
int16_t w_n[256] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
1, 1,-1,-1, 1, 1,-1,-1, 1, 1,-1,-1, 1, 1,-1,-1,
......@@ -137,42 +150,62 @@ char w_n[256] = {
// ul_ref_sigs[u][0][1][n<<1] =(int16_t)(floor(32767*cos(M_PI*ref24[(u*24) + n]/4)));
// ul_ref_sigs[u][0][1][1+(n<<1)]=(int16_t)(floor(32767*sin(M_PI*ref24[(u*24) + n]/4)));
// }
// }
// }
void generate_ul_ref_sigs_rx_NB_IoT(void)
{
unsigned int u,Msc_RS,n;
unsigned int u,index_Nsc_RU,n; // Vincent: index_Nsc_RU 0,1,2,3 ---> number of sc 1,3,6,12
uint8_t threetnecyclicshift=0, sixtonecyclichift=0;// NB-IoT: to be defined from higher layer, see 36.211 Section 10.1.4.1.2
for (Msc_RS=0; Msc_RS<4; Msc_RS++) {
for (u=0; u<30; u++) {
ul_ref_sigs_rx[u][Msc_RS] = (int16_t*)malloc16(2*sizeof(int16_t)*sequence_length[Msc_RS]);
switch (Msc_RS){
case 0:
printf("Not coded yet\n");
uint8_t npusch_format = 1; // NB-IoT: format 1 (data), or 2: ack
int16_t a;
int16_t qpsk[2];
unsigned int x1=1;
unsigned int x2=35; // NB-IoT: defined in 36.211, Section 10.1.4.1.1
int16_t ref_sigs_sc1[2*sequence_length[0]];
uint32_t s;
a = (ONE_OVER_SQRT2_Q15_NB_IoT)>>15;
qpsk[0] = a;
qpsk[1] = -a;
s = lte_gold_generic_NB_IoT(&x1, &x2, 1);
for (index_Nsc_RU=0; index_Nsc_RU<4; index_Nsc_RU++) {
for (u=0; u<u_max[index_Nsc_RU]; u++) {
ul_ref_sigs_rx[u][index_Nsc_RU] = (int16_t*)malloc16(2*sizeof(int16_t)*sequence_length[index_Nsc_RU]);
switch (index_Nsc_RU){
case 0: // 36.211, Section 10.1.4.1.1
for (n=0; n<sequence_length[index_Nsc_RU]; n++) {
ref_sigs_sc1[n<<1] = qpsk[(s>>n)&1]*w_n[16*u+n%16];
ref_sigs_sc1[1+(n<<1)] = qpsk[(s>>n)&1]*w_n[16*u+n%16];
}
if (npusch_format==1){
for (n=0; n<sequence_length[index_Nsc_RU]; n++) {
ul_ref_sigs_rx[u][index_Nsc_RU][n<<1] = ref_sigs_sc1[n<<1];
ul_ref_sigs_rx[u][index_Nsc_RU][1+(n<<1)]= ref_sigs_sc1[1+(n<<1)];
}
}
if (npusch_format==2){// NB-IoT: to be implemented
printf("Not coded yet\n");
}
break;
case 1:
for (n=0; n<sequence_length[Msc_RS]; n++) {
ul_ref_sigs_rx[u][Msc_RS][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref3[(u*3) + n]/4 + alpha3[threetnecyclicshift])));
ul_ref_sigs_rx[u][Msc_RS][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref3[(u*3) + n]/4 + alpha3[threetnecyclicshift])));
case 1: // 36.211, Section 10.1.4.1.2
for (n=0; n<sequence_length[index_Nsc_RU]; n++) {
ul_ref_sigs_rx[u][index_Nsc_RU][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref3[(u*3) + n]/4 + alpha3[threetnecyclicshift])));
ul_ref_sigs_rx[u][index_Nsc_RU][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref3[(u*3) + n]/4 + alpha3[threetnecyclicshift])));
}
break;
case 2:
for (n=0; n<sequence_length[Msc_RS]; n++) {
ul_ref_sigs_rx[u][Msc_RS][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref6[(u*6) + n]/4 + alpha6[sixtonecyclichift])));
ul_ref_sigs_rx[u][Msc_RS][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref6[(u*6) + n]/4 + alpha6[sixtonecyclichift])));
for (n=0; n<sequence_length[index_Nsc_RU]; n++) {
ul_ref_sigs_rx[u][index_Nsc_RU][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref6[(u*6) + n]/4 + alpha6[sixtonecyclichift])));
ul_ref_sigs_rx[u][index_Nsc_RU][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref6[(u*6) + n]/4 + alpha6[sixtonecyclichift])));
}
break;
case 3:
for (n=0; n<sequence_length[Msc_RS]; n++) {
ul_ref_sigs_rx[u][Msc_RS][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref12[(u*12) + n]/4)));
ul_ref_sigs_rx[u][Msc_RS][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref12[(u*12) + n]/4)));
for (n=0; n<sequence_length[index_Nsc_RU]; n++) {
ul_ref_sigs_rx[u][index_Nsc_RU][n<<1] = (int16_t)(floor(32767*cos(M_PI*ref12[(u*12) + n]/4)));
ul_ref_sigs_rx[u][index_Nsc_RU][1+(n<<1)]= (int16_t)(floor(32767*sin(M_PI*ref12[(u*12) + n]/4)));
}
break;
}
......@@ -182,20 +215,32 @@ void generate_ul_ref_sigs_rx_NB_IoT(void)
}
void free_ul_ref_sigs(void)
void free_ul_ref_sigs_NB_IoT(void)
{
unsigned int u,Msc_RS;
unsigned int u,index_Nsc_RU;
for (Msc_RS=0; Msc_RS<4; Msc_RS++) {
for (index_Nsc_RU=0; index_Nsc_RU<4; index_Nsc_RU++) {
for (u=0; u<30; u++) {
if (ul_ref_sigs_rx[u][Msc_RS])
free16(ul_ref_sigs_rx[u][Msc_RS],4*sizeof(int16_t)*sequence_length[Msc_RS]);
if (ul_ref_sigs_rx[u][index_Nsc_RU])
free16(ul_ref_sigs_rx[u][index_Nsc_RU],4*sizeof(int16_t)*sequence_length[index_Nsc_RU]);
}
}
}
// void free_ul_ref_sigs(void)
// {
// unsigned int u,index_Nsc_RU;
// for (index_Nsc_RU=0; index_Nsc_RU<4; index_Nsc_RU++) {
// for (u=0; u<30; u++) {
// if (ul_ref_sigs_rx[u][index_Nsc_RU])
// free16(ul_ref_sigs_rx[u][index_Nsc_RU],4*sizeof(int16_t)*sequence_length[index_Nsc_RU]);
// }
// }
// }
#ifdef MAIN
main()
{
......
openair1/PHY/LTE_TRANSPORT/defs_NB_IoT.h
View file @ 1dc48ca7
......@@ -701,7 +701,7 @@ typedef struct {
// Index of UL NB_IoT resource block
uint32_t UL_RB_ID_NB_IoT;
// Subcarrier indication fields, obtained through DCI, Section 16.5.1.1 in 36.213
uint32_t I_sc;
uint16_t I_sc;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
} NB_IoT_UL_eNB_HARQ_t;
......
openair1/PHY/LTE_TRANSPORT/extern_NB_IoT.h
View file @ 1dc48ca7
......@@ -34,7 +34,7 @@ extern int8_t wACK_RX_NB_IoT[5][4];
extern short conjugate[8],conjugate2[8];
extern short *ul_ref_sigs_rx[30][2][33];
extern short *ul_ref_sigs_rx[30][4];
extern unsigned short dftsizes[33];
#endif
\ No newline at end of file
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