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Commit c3420b01 authored by Hongzhi Wang's avatar Hongzhi Wang
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ue update symbol num synchro

parent 734646bc
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Showing with 25 additions and 24 deletions
openair1/PHY/MODULATION/slot_fep.c
View file @ c3420b01
......@@ -191,7 +191,7 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
switch(channel){
case NR_PBCH_EST:
if ((l>0) && (l<4)) {
if ((l>4) && (l<8)) {
for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
#ifdef DEBUG_FEP
......
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ c3420b01
......@@ -51,12 +51,7 @@ int wf2[12][2] = {{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,1},{1,1},{1,-1
int wt2[12][2] = {{1,1},{1,1},{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1}};
//short nr_mod_table[14] = {0,0,-23170,-23170,23170,23170,-23170,-23170,-23170,23170,23170,-23170,23170,23170};
short nr_rx_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
//short nr_mod_table[14] = {0,0,23170,23170,-23170,-23170,23170,23170,23170,-23170,-23170,23170,-23170,-23170};
//extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
short nr_mod_table[14] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
short nr_rx_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
......
openair1/PHY/NR_REFSIG/ss_pbch_nr.h
View file @ c3420b01
......@@ -51,10 +51,10 @@
#define PSS_SC_START_NR (52) /* see from TS 38.211 table 7.4.3.1-1: Resources within an SS/PBCH block for PSS... */
/* define ofdm symbol offset in the SS/PBCH block of NR synchronisation */
#define PSS_SYMBOL_NB (0) /* symbol numbers for each element */
#define PBCH_SYMBOL_NB (1)
#define SSS_SYMBOL_NB (2)
#define PBCH_LAST_SYMBOL_NB (3)
#define PSS_SYMBOL_NB (4) /* symbol numbers for each element */
#define PBCH_SYMBOL_NB (5)
#define SSS_SYMBOL_NB (6)
#define PBCH_LAST_SYMBOL_NB (7)
/* SS/PBCH parameters */
#define N_RB_SS_PBCH_BLOCK (20)
......
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
View file @ c3420b01
......@@ -58,6 +58,7 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
uint8_t l,pbch_decoded,frame_mod4,pbch_tx_ant,dummy;
NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
char phich_resource[6];
int ret =-1;
#ifdef DEBUG_INITIAL_SYNCH
LOG_I(PHY,"[UE%d] Initial sync: starting PBCH detection (rx_offset %d)\n",ue->Mod_id,
......@@ -101,7 +102,7 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
printf("pbch_detection nid_cell %d\n",frame_parms->Nid_cell);
//for (frame_mod4=0; frame_mod4<4; frame_mod4++) {
pbch_tx_ant = nr_rx_pbch(ue,
ret = nr_rx_pbch(ue,
&ue->proc.proc_rxtx[0],
ue->pbch_vars[0],
frame_parms,
......@@ -115,9 +116,9 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
//}
if (pbch_decoded) {
if (ret==0) {
frame_parms->nb_antenna_ports_eNB = pbch_tx_ant;
frame_parms->nb_antenna_ports_eNB = 1; //pbch_tx_ant;
// set initial transmission mode to 1 or 2 depending on number of detected TX antennas
//frame_parms->mode1_flag = (pbch_tx_ant==1);
......@@ -131,13 +132,7 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
for(int i=0; i<RX_NB_TH;i++)
{
ue->proc.proc_rxtx[i].frame_rx = (((ue->pbch_vars[0]->decoded_output[2]&3)<<6) + (ue->pbch_vars[0]->decoded_output[1]>>2))<<2;
ue->proc.proc_rxtx[i].frame_rx = (((ue->pbch_vars[0]->decoded_output[2]&3)<<6) + (ue->pbch_vars[0]->decoded_output[1]>>2))<<2;
#ifndef USER_MODE
// one frame delay
ue->proc.proc_rxtx[i].frame_rx ++;
#endif
ue->proc.proc_rxtx[i].frame_tx = ue->proc.proc_rxtx[0].frame_rx;
}
#ifdef DEBUG_INITIAL_SYNCH
......@@ -160,7 +155,7 @@ char prefix_string[2][9] = {"NORMAL","EXTENDED"};
int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
{
int32_t sync_pos, sync_pos2, k_ssb, N_ssb_crb;
int32_t sync_pos, sync_pos2, k_ssb, N_ssb_crb, sync_pos_slot;
int32_t metric_fdd_ncp=0;
uint8_t phase_fdd_ncp;
......@@ -203,8 +198,19 @@ int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
/* process pss search on received buffer */
sync_pos = pss_synchro_nr(ue, NO_RATE_CHANGE);
sync_pos_slot = (frame_parms->samples_per_tti>>1) - 4*(frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);
if (sync_pos >= frame_parms->nb_prefix_samples)
sync_pos2 = sync_pos - frame_parms->nb_prefix_samples;
else
sync_pos2 = sync_pos + FRAME_LENGTH_COMPLEX_SAMPLES - frame_parms->nb_prefix_samples;
/* offset is used by sss serach as it is returned from pss search */
ue->rx_offset = sync_pos;
if (sync_pos2 >= sync_pos_slot)
ue->rx_offset = sync_pos2 - sync_pos_slot;
else
ue->rx_offset = FRAME_LENGTH_COMPLEX_SAMPLES + sync_pos2 - sync_pos_slot;
// write_output("rxdata1.m","rxd1",ue->common_vars.rxdata[0],10*frame_parms->samples_per_tti,1,1);
......
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
View file @ c3420b01
......@@ -498,7 +498,7 @@ unsigned char sign(int8_t x) {
uint8_t pbch_deinterleaving_pattern[32] = {28,0,31,30,1,29,25,27,22,2,24,3,4,5,6,7,18,21,20,8,9,10,11,19,26,12,13,14,15,16,23,17};
uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
int nr_rx_pbch( PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
NR_UE_PBCH *nr_ue_pbch_vars,
NR_DL_FRAME_PARMS *frame_parms,
......@@ -546,7 +546,7 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
// clear LLR buffer
memset(nr_ue_pbch_vars->llr,0,NR_POLAR_PBCH_E);
for (symbol=1; symbol<4; symbol++) {
for (symbol=5; symbol<8; symbol++) {
//printf("address dataf %p",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF);
//write_output("rxdataF0_pbch.m","rxF0pbch",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,frame_parms->ofdm_symbol_size*4,2,1);
......
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