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This commit is contained in:
Robert Schmidt
2024-04-13 08:54:15 +02:00
parent 94b23d1eb0
commit 9a2e080f77
29 changed files with 1095 additions and 1149 deletions
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openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
+11 -16
View File
@@ -202,31 +202,26 @@ int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
return(0);
}
void nr_pbch_dmrs_rx(int symbol,
unsigned int *nr_gold_pbch,
c16_t *output,
bool sidelink)
void nr_pbch_dmrs_rx(int symbol, unsigned int *nr_gold_pbch, c16_t *output, bool sidelink)
{
int m,m0,m1;
uint8_t idx=0;
if (sidelink) {
AssertFatal(symbol== 0 || (symbol>=5 && symbol <=12),"illegal symbol %d\n",symbol);
AssertFatal(symbol == 0 || (symbol >= 5 && symbol <= 12), "illegal symbol %d\n", symbol);
m0 = (symbol) ? (symbol - 4) * 33 : 0;
m1 = (symbol) ? (symbol - 3) * 33 : 33;
} else {
AssertFatal(symbol>=0 && symbol <3,"illegal symbol %d\n",symbol);
AssertFatal(symbol >= 0 && symbol < 3, "illegal symbol %d\n", symbol);
if (symbol == 0) {
m0=0;
m1=60;
}
else if (symbol == 1) {
m0=60;
m1=84;
}
else {
m0=84;
m1=144;
m0 = 0;
m1 = 60;
} else if (symbol == 1) {
m0 = 60;
m1 = 84;
} else {
m0 = 84;
m1 = 144;
}
}
// printf("Generating pilots symbol %d, m0 %d, m1 %d\n",symbol,m0,m1);
openair1/PHY/NR_REFSIG/nr_gold_ue.c
+16 -18
View File
@@ -157,31 +157,26 @@ void sl_init_psbch_dmrs_gold_sequences(PHY_VARS_NR_UE *UE)
uint8_t reset;
for (slss_id = 0; slss_id < SL_NR_NUM_SLSS_IDs; slss_id++) {
reset = 1;
x2 = slss_id;
#ifdef SL_DEBUG_INIT
printf("\nPSBCH DMRS GOLD SEQ for SLSSID :%d :\n", slss_id);
printf("\nPSBCH DMRS GOLD SEQ for SLSSID :%d :\n", slss_id);
#endif
for (uint8_t n=0; n<SL_NR_NUM_PSBCH_DMRS_RE_DWORD; n++) {
for (uint8_t n = 0; n < SL_NR_NUM_PSBCH_DMRS_RE_DWORD; n++) {
UE->SL_UE_PHY_PARAMS.init_params.psbch_dmrs_gold_sequences[slss_id][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
#ifdef SL_DEBUG_INIT_DATA
printf("%x\n",SL_UE_INIT_PARAMS.sl_psbch_dmrs_gold_sequences[slss_id][n]);
printf("%x\n", SL_UE_INIT_PARAMS.sl_psbch_dmrs_gold_sequences[slss_id][n]);
#endif
}
}
}
void sl_generate_psbch_dmrs_qpsk_sequences(PHY_VARS_NR_UE *UE,
struct complex16 *modulated_dmrs_sym,
uint16_t slss_id)
void sl_generate_psbch_dmrs_qpsk_sequences(PHY_VARS_NR_UE *UE, struct complex16 *modulated_dmrs_sym, uint16_t slss_id)
{
uint8_t idx = 0;
uint32_t *sl_dmrs_sequence = UE->SL_UE_PHY_PARAMS.init_params.psbch_dmrs_gold_sequences[slss_id];
c16_t *mod_table = (c16_t *)nr_qpsk_mod_table;
@@ -191,24 +186,27 @@ void sl_generate_psbch_dmrs_qpsk_sequences(PHY_VARS_NR_UE *UE,
#endif
/// QPSK modulation
for (int m=0; m<SL_NR_NUM_PSBCH_DMRS_RE; m++) {
idx = (((sl_dmrs_sequence[(m<<1)>>5])>>((m<<1)&0x1f))&3);
for (int m = 0; m < SL_NR_NUM_PSBCH_DMRS_RE; m++) {
idx = (((sl_dmrs_sequence[(m << 1) >> 5]) >> ((m << 1) & 0x1f)) & 3);
modulated_dmrs_sym[m].r = mod_table[idx].r;
modulated_dmrs_sym[m].i = mod_table[idx].i;
#ifdef SL_DEBUG_INIT_DATA
printf("m:%d gold seq: %d b0-b1: %d-%d DMRS Symbols: %d %d\n", m, sl_dmrs_sequence[(m<<1)>>5], (((sl_dmrs_sequence[(m<<1)>>5])>>((m<<1)&0x1f))&1),
(((sl_dmrs_sequence[((m<<1)+1)>>5])>>(((m<<1)+1)&0x1f))&1), modulated_dmrs_sym[m].r, modulated_dmrs_sym[m].i);
printf("m:%d gold seq: %d b0-b1: %d-%d DMRS Symbols: %d %d\n",
m,
sl_dmrs_sequence[(m << 1) >> 5],
(((sl_dmrs_sequence[(m << 1) >> 5]) >> ((m << 1) & 0x1f)) & 1),
(((sl_dmrs_sequence[((m << 1) + 1) >> 5]) >> (((m << 1) + 1) & 0x1f)) & 1),
modulated_dmrs_sym[m].r,
modulated_dmrs_sym[m].i);
printf("idx:%d, qpsk_table.r:%d, qpsk_table.i:%d\n", idx, mod_table[idx].r, mod_table[idx].i);
#endif
}
#ifdef SL_DUMP_INIT_SAMPLES
char filename[40], varname[25];
sprintf(filename,"sl_psbch_dmrs_slssid_%d.m", slss_id);
sprintf(varname,"sl_dmrs_id_%d.m", slss_id);
LOG_M(filename, varname, (void*)modulated_dmrs_sym, SL_NR_NUM_PSBCH_DMRS_RE, 1, 1);
sprintf(filename, "sl_psbch_dmrs_slssid_%d.m", slss_id);
sprintf(varname, "sl_dmrs_id_%d.m", slss_id);
LOG_M(filename, varname, (void *)modulated_dmrs_sym, SL_NR_NUM_PSBCH_DMRS_RE, 1, 1);
#endif
}
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
+2 -7
View File
@@ -30,10 +30,7 @@
/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PBCH DMRS.
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
*/
void nr_pbch_dmrs_rx(int dmrss,
unsigned int *nr_gold_pbch,
c16_t *output,
bool sidelink);
void nr_pbch_dmrs_rx(int dmrss, unsigned int *nr_gold_pbch, c16_t *output, bool sidelink);
/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PDCCH DMRS.
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
@@ -73,7 +70,5 @@ void sl_generate_pss(SL_NR_UE_INIT_PARAMS_t *sl_init_params, uint8_t n_sl_id2, u
void sl_generate_pss_ifft_samples(sl_nr_ue_phy_params_t *sl_ue_params, SL_NR_UE_INIT_PARAMS_t *sl_init_params);
void sl_generate_sss(SL_NR_UE_INIT_PARAMS_t *sl_init_params, uint16_t slss_id, uint16_t scaling);
void sl_init_psbch_dmrs_gold_sequences(PHY_VARS_NR_UE *UE);
void sl_generate_psbch_dmrs_qpsk_sequences(PHY_VARS_NR_UE *UE,
struct complex16 *modulated_dmrs_sym,
uint16_t slss_id);
void sl_generate_psbch_dmrs_qpsk_sequences(PHY_VARS_NR_UE *UE, struct complex16 *modulated_dmrs_sym, uint16_t slss_id);
#endif
openair1/PHY/NR_REFSIG/sss_nr.h
+16 -5
View File
@@ -72,11 +72,22 @@
static const c16_t phase_nr[PHASE_HYPOTHESIS_NUMBER] = {
// {pi/3 ---- pi/3, -pi/3 ---- pi/3}
{16384, -28377}, {20173, -25821}, {23571, -22762}, {26509, -19260},
{28932, -15383}, {30791, -11207}, {32051, -6813}, {32687, -2286},
{32687, 2286}, {32051, 6813}, {30791, 11207}, {28932, 15383},
{26509, 19260}, {23571, 22762}, {20173, 25821}, {16384, 28377}
};
{16384, -28377},
{20173, -25821},
{23571, -22762},
{26509, -19260},
{28932, -15383},
{30791, -11207},
{32051, -6813},
{32687, -2286},
{32687, 2286},
{32051, 6813},
{30791, 11207},
{28932, 15383},
{26509, 19260},
{23571, 22762},
{20173, 25821},
{16384, 28377}};
void init_context_sss_nr(int amp);
void free_context_sss_nr(void);