maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix FAPI for CSI-RS pdu and associated procedures

Browse Source
This commit is contained in:
rmagueta
2022-03-08 13:18:17 +00:00
parent bbe806a870
commit db0ce84aa5
7 changed files with 85 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+14 -4
View File
@@ -2443,12 +2443,22 @@ void nr_schedule_csirs_reception(NR_UE_MAC_INST_t *mac, int frame, int slot) {
LOG_D(MAC,"Scheduling reception of CSI-RS in frame %d slot %d\n",frame,slot);
fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu = &dl_config->dl_config_list[dl_config->number_pdus].csirs_config_pdu.csirs_config_rel15;
NR_CSI_RS_ResourceMapping_t resourceMapping = nzpcsi->resourceMapping;
csirs_config_pdu->bwp_size = bwp_size;
csirs_config_pdu->bwp_start = bwp_start;
csirs_config_pdu->subcarrier_spacing = mu;
csirs_config_pdu->cyclic_prefix = genericParameters->cyclicPrefix ? *genericParameters->cyclicPrefix : 0;
csirs_config_pdu->start_rb = resourceMapping.freqBand.startingRB;
csirs_config_pdu->nr_of_rbs = resourceMapping.freqBand.nrofRBs;
// According to last paragraph of TS 38.214 5.2.2.3.1
if (resourceMapping.freqBand.startingRB < bwp_start) {
csirs_config_pdu->start_rb = bwp_start;
} else {
csirs_config_pdu->start_rb = resourceMapping.freqBand.startingRB;
}
if (resourceMapping.freqBand.nrofRBs > (bwp_start + bwp_size - csirs_config_pdu->start_rb)) {
csirs_config_pdu->nr_of_rbs = bwp_start + bwp_size - csirs_config_pdu->start_rb;
} else {
csirs_config_pdu->nr_of_rbs = resourceMapping.freqBand.nrofRBs;
}
AssertFatal(csirs_config_pdu->nr_of_rbs >= 24, "CSI-RS has %d RBs, but the minimum is 24\n", csirs_config_pdu->nr_of_rbs);
csirs_config_pdu->csi_type = 1; // NZP-CSI-RS
csirs_config_pdu->symb_l0 = resourceMapping.firstOFDMSymbolInTimeDomain;
if (resourceMapping.firstOFDMSymbolInTimeDomain2)
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+32 -21
View File
@@ -2506,16 +2506,27 @@ void nr_csirs_scheduling(int Mod_idP,
nfapi_nr_dl_tti_csi_rs_pdu_rel15_t *csirs_pdu_rel15 = &dl_tti_csirs_pdu->csi_rs_pdu.csi_rs_pdu_rel15;
csirs_pdu_rel15->bwp_size = NRRIV2BW(genericParameters->locationAndBandwidth,275);
csirs_pdu_rel15->bwp_start = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth,275);
csirs_pdu_rel15->subcarrier_spacing = genericParameters->subcarrierSpacing;
if (genericParameters->cyclicPrefix)
csirs_pdu_rel15->cyclic_prefix = *genericParameters->cyclicPrefix;
else
csirs_pdu_rel15->cyclic_prefix = 0;
csirs_pdu_rel15->start_rb = resourceMapping.freqBand.startingRB;
csirs_pdu_rel15->nr_of_rbs = resourceMapping.freqBand.nrofRBs;
// According to last paragraph of TS 38.214 5.2.2.3.1
uint16_t BWPSize = NRRIV2BW(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);
uint16_t BWPStart = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);
if (resourceMapping.freqBand.startingRB < BWPStart) {
csirs_pdu_rel15->start_rb = BWPStart;
} else {
csirs_pdu_rel15->start_rb = resourceMapping.freqBand.startingRB;
}
if (resourceMapping.freqBand.nrofRBs > (BWPStart + BWPSize - csirs_pdu_rel15->start_rb)) {
csirs_pdu_rel15->nr_of_rbs = BWPStart + BWPSize - csirs_pdu_rel15->start_rb;
} else {
csirs_pdu_rel15->nr_of_rbs = resourceMapping.freqBand.nrofRBs;
}
AssertFatal(csirs_pdu_rel15->nr_of_rbs >= 24, "CSI-RS has %d RBs, but the minimum is 24\n", csirs_pdu_rel15->nr_of_rbs);
csirs_pdu_rel15->csi_type = 1; // NZP-CSI-RS
csirs_pdu_rel15->symb_l0 = resourceMapping.firstOFDMSymbolInTimeDomain;
if (resourceMapping.firstOFDMSymbolInTimeDomain2)
@@ -2536,20 +2547,20 @@ void nr_csirs_scheduling(int Mod_idP,
csirs_pdu_rel15->row = 1;
csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0])>>4)&0x0f;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
csirs_pdu_rel15->row = 2;
csirs_pdu_rel15->freq_domain = (((resourceMapping.frequencyDomainAllocation.choice.row2.buf[1]>>4)&0x0f) |
((resourceMapping.frequencyDomainAllocation.choice.row2.buf[0]<<4)&0xff0));
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
csirs_pdu_rel15->row = 4;
csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row4.buf[0])>>5)&0x07;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.other.buf[0])>>2)&0x3f;
@@ -2561,18 +2572,18 @@ void nr_csirs_scheduling(int Mod_idP,
case NR_CSI_RS_ResourceMapping__nrofPorts_p2:
csirs_pdu_rel15->row = 3;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p4:
csirs_pdu_rel15->row = 5;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p8:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) {
csirs_pdu_rel15->row = 8;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
}
else{
int num_k = 0;
@@ -2581,12 +2592,12 @@ void nr_csirs_scheduling(int Mod_idP,
if(num_k==4) {
csirs_pdu_rel15->row = 6;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
}
else {
csirs_pdu_rel15->row = 7;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
}
}
break;
@@ -2594,12 +2605,12 @@ void nr_csirs_scheduling(int Mod_idP,
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) {
csirs_pdu_rel15->row = 10;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
}
else {
csirs_pdu_rel15->row = 9;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 1);
}
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p16:
@@ -2608,24 +2619,24 @@ void nr_csirs_scheduling(int Mod_idP,
else
csirs_pdu_rel15->row = 11;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2);
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p24:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) {
csirs_pdu_rel15->row = 14;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
vrb_map[rb] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
}
else{
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4) {
csirs_pdu_rel15->row = 15;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 3);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 3);
}
else {
csirs_pdu_rel15->row = 13;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
vrb_map[rb] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
}
}
break;
@@ -2633,18 +2644,18 @@ void nr_csirs_scheduling(int Mod_idP,
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) {
csirs_pdu_rel15->row = 17;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
vrb_map[rb] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
}
else{
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4) {
csirs_pdu_rel15->row = 18;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 3);
vrb_map[rb] |= SL_to_bitmap(csirs_pdu_rel15->symb_l0, 3);
}
else {
csirs_pdu_rel15->row = 16;
for (int rb = csirs_pdu_rel15->start_rb; rb < (csirs_pdu_rel15->start_rb + csirs_pdu_rel15->nr_of_rbs); rb++)
vrb_map[rb+csirs_pdu_rel15->bwp_start] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
vrb_map[rb] |= (SL_to_bitmap(csirs_pdu_rel15->symb_l0, 2) | SL_to_bitmap(csirs_pdu_rel15->symb_l1, 2));
}
}
break;