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fix for dword length in csi rs

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This commit is contained in:
Francesco Mani
2020-11-10 16:39:41 +01:00
parent ef4adce1e5
commit f7827a1d2b
2 changed files with 33 additions and 38 deletions
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openair1/PHY/NR_REFSIG/nr_gold.c
+1 -1
View File
@@ -145,7 +145,7 @@ void nr_init_csi_rs(PHY_VARS_gNB* gNB, uint32_t Nid)
reset = 1;
x2 = ((1<<10) * (fp->symbols_per_slot*slot+symb+1) * ((Nid<<1)+1) + (Nid));
for (uint32_t n=0; n<NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD; n++) {
for (uint32_t n=0; n<NR_MAX_CSI_RS_INIT_LENGTH_DWORD; n++) {
csi_rs[slot][symb][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
openair1/PHY/NR_TRANSPORT/nr_csi_rs.c
+32 -37
View File
@@ -59,7 +59,7 @@ void nr_generate_csi_rs(PHY_VARS_gNB *gNB,
for (uint8_t symb=0; symb<frame_parms.symbols_per_slot; symb++) {
reset = 1;
x2 = ((1<<10) * (frame_parms.symbols_per_slot*slot+symb+1) * ((Nid<<1)+1) + (Nid));
for (uint32_t n=0; n<NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD; n++) {
for (uint32_t n=0; n<NR_MAX_CSI_RS_INIT_LENGTH_DWORD; n++) {
gold_csi_rs[symb][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
@@ -516,12 +516,12 @@ void nr_generate_csi_rs(PHY_VARS_gNB *gNB,
if (rho < 1) {
if (csi_params.freq_density == 0)
csi_length = (((csi_bw + csi_start)>>1)<<kprime)<<1;
csi_length = (((csi_bw + csi_start)>>1)<<kprime)<<1;
else
csi_length = ((((csi_bw + csi_start)>>1)<<kprime)+1)<<1;
}
else
csi_length = (((uint16_t) rho*(csi_bw + csi_start))<<kprime)<<1;
csi_length = (((uint16_t) rho*(csi_bw + csi_start))<<kprime)<<1;
#ifdef NR_CSIRS_DEBUG
printf(" start rb %d, n. rbs %d, csi length %d\n",csi_start,csi_bw,csi_length);
@@ -535,41 +535,36 @@ void nr_generate_csi_rs(PHY_VARS_gNB *gNB,
// NZP CSI RS
if (csi_params.csi_type == 1) {
// assuming amp is the amplitude of SSB channels
switch (csi_params.power_control_offset_ss) {
case 0:
beta = (amp*ONE_OVER_SQRT2_Q15)>>15;
break;
case 1:
beta = amp;
break;
// assuming amp is the amplitude of SSB channels
switch (csi_params.power_control_offset_ss) {
case 0:
beta = (amp*ONE_OVER_SQRT2_Q15)>>15;
break;
case 1:
beta = amp;
break;
case 2:
beta = (amp*ONE_OVER_SQRT2_Q15)>>14;
break;
case 3:
beta = amp<<1;
break;
default:
AssertFatal(0==1, "Invalid SS power offset density index for CSI\n");
}
case 2:
beta = (amp*ONE_OVER_SQRT2_Q15)>>14;
break;
case 3:
beta = amp<<1;
break;
default:
AssertFatal(0==1, "Invalid SS power offset density index for CSI\n");
}
for (lp=0; lp<=lprime; lp++){
symb = csi_params.symb_l0;
nr_modulation(gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params.row == 5) || (csi_params.row == 7) || (csi_params.row == 11) || (csi_params.row == 13) || (csi_params.row == 16))
nr_modulation(gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
if ((csi_params.row == 14) || (csi_params.row == 13) || (csi_params.row == 16) || (csi_params.row == 17)) {
symb = csi_params.symb_l1;
nr_modulation(gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params.row == 13) || (csi_params.row == 16))
nr_modulation(gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
}
}
for (lp=0; lp<=lprime; lp++){
symb = csi_params.symb_l0;
nr_modulation(gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params.row == 5) || (csi_params.row == 7) || (csi_params.row == 11) || (csi_params.row == 13) || (csi_params.row == 16))
nr_modulation(gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
if ((csi_params.row == 14) || (csi_params.row == 13) || (csi_params.row == 16) || (csi_params.row == 17)) {
symb = csi_params.symb_l1;
nr_modulation(gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params.row == 13) || (csi_params.row == 16))
nr_modulation(gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
}
}
}
uint16_t start_sc = frame_parms.first_carrier_offset;