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

scheduling PRACH and filling fapi PRACH PDU

Browse Source
This commit is contained in:
Francesco Mani
2020-02-13 13:50:44 +01:00
parent eda3a76e13
commit a7ab50e874
10 changed files with 214 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
+3 -1
View File
@@ -1028,10 +1028,12 @@ typedef struct
{
uint16_t phys_cell_id;
uint8_t num_prach_ocas;
// SCF PRACH PDU format field does not consider A1/B1 etc. possibilities
// We added 9 = A1/B1 10 = A2/B2 11 A3/B3
uint8_t prach_format;
uint8_t num_ra;
uint8_t prach_start_symbol;
uint16_t num_cs;//
uint16_t num_cs;
nfapi_nr_ul_beamforming_t beamforming;
} nfapi_nr_prach_pdu_t;
openair1/PHY/NR_TRANSPORT/nr_prach.h
-12
View File
@@ -37,18 +37,6 @@ uint16_t nr_du[838];
/*************************************
* The following tables defined for NR
**************************************/
// Table 6.3.3.1-5 (38.211) NCS for preamble formats with delta_f_RA = 1.25 KHz
uint16_t NCS_unrestricted_delta_f_RA_125[16] = {0,13,15,18,22,26,32,38,46,59,76,93,119,167,279,419};
uint16_t NCS_restricted_TypeA_delta_f_RA_125[15] = {15,18,22,26,32,38,46,55,68,82,100,128,158,202,237}; // high-speed case set Type A
uint16_t NCS_restricted_TypeB_delta_f_RA_125[13] = {15,18,22,26,32,38,46,55,68,82,100,118,137}; // high-speed case set Type B
// Table 6.3.3.1-6 (38.211) NCS for preamble formats with delta_f_RA = 5 KHz
uint16_t NCS_unrestricted_delta_f_RA_5[16] = {0,13,26,33,38,41,49,55,64,76,93,119,139,209,279,419};
uint16_t NCS_restricted_TypeA_delta_f_RA_5[16] = {36,57,72,81,89,94,103,112,121,132,137,152,173,195,216,237}; // high-speed case set Type A
uint16_t NCS_restricted_TypeB_delta_f_RA_5[14] = {36,57,60,63,65,68,71,77,81,85,97,109,122,137}; // high-speed case set Type B
// Table 6.3.3.1-7 (38.211) NCS for preamble formats with delta_f_RA = 15 * 2mu KHz where mu = {0,1,2,3}
uint16_t NCS_unrestricted_delta_f_RA_15[16] = {0,2,4,6,8,10,12,13,15,17,19,23,27,34,46,69};
//Table 6.3.3.1-3: Mapping from logical index i to sequence number u for preamble formats with L_RA = 839
uint16_t prach_root_sequence_map_0_3[838] = {
openair1/PHY/NR_TRANSPORT/nr_prach_common.c
+4 -4
View File
@@ -218,9 +218,9 @@ void compute_nr_prach_seq(uint16_t rootSequenceIndex,
AssertFatal(zeroCorrelationZoneConfig<=15,
"FATAL, Illegal Ncs_config for unrestricted format %"PRIu8"\n", zeroCorrelationZoneConfig );
if (prach_fmt<3) NCS = NCS_unrestricted_delta_f_RA_125[zeroCorrelationZoneConfig];
/* if (prach_fmt<3) NCS = NCS_unrestricted_delta_f_RA_125[zeroCorrelationZoneConfig];
if (prach_fmt==3) NCS = NCS_unrestricted_delta_f_RA_5[zeroCorrelationZoneConfig];
if (prach_fmt>3) NCS = NCS_unrestricted_delta_f_RA_15[zeroCorrelationZoneConfig];
if (prach_fmt>3) NCS = NCS_unrestricted_delta_f_RA_15[zeroCorrelationZoneConfig];*/
num_preambles = (NCS==0) ? 64 : ((64*NCS)/N_ZC);
@@ -235,7 +235,7 @@ void compute_nr_prach_seq(uint16_t rootSequenceIndex,
AssertFatal(zeroCorrelationZoneConfig<=14,
"FATAL, Illegal Ncs_config for restricted format %"PRIu8"\n", zeroCorrelationZoneConfig );
if (prach_fmt<3){
/* if (prach_fmt<3){
if (restricted_Type == 0) NCS = NCS_restricted_TypeA_delta_f_RA_125[zeroCorrelationZoneConfig]; // for TypeA, this is hardcoded. FIXME
if (restricted_Type == 1) NCS = NCS_restricted_TypeB_delta_f_RA_125[zeroCorrelationZoneConfig]; // for TypeB, this is hardcoded. FIXME
}
@@ -245,7 +245,7 @@ void compute_nr_prach_seq(uint16_t rootSequenceIndex,
}
if (prach_fmt>3){
}
}*/
nr_fill_du(prach_fmt);
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+27 -21
View File
@@ -391,34 +391,40 @@ void phy_procedures_gNB_common_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
nfapi_nr_ul_tti_request_t *UL_tti_req = &gNB->UL_tti_req;
int num_pusch_pdu = UL_tti_req->n_pdus;
int num_pdus = UL_tti_req->n_pdus;
LOG_D(PHY,"phy_procedures_gNB_uespec_RX frame %d, slot %d, num_pusch_pdu %d\n",frame_rx,slot_rx,num_pusch_pdu);
LOG_D(PHY,"phy_procedures_gNB_uespec_RX frame %d, slot %d, num_pdus %d\n",frame_rx,slot_rx,num_pdus);
gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus = 0;
for (int i = 0; i < num_pusch_pdu; i++) {
for (int i = 0; i < num_pdus; i++) {
switch (UL_tti_req->pdus_list[i].pdu_type) {
case NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE:{
LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE\n",frame_rx,slot_rx);
case NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE:
LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE\n",frame_rx,slot_rx);
nfapi_nr_pusch_pdu_t *pusch_pdu = &UL_tti_req->pdus_list[0].pusch_pdu;
nr_fill_ulsch(gNB,frame_rx,slot_rx,pusch_pdu);
nfapi_nr_pusch_pdu_t *pusch_pdu = &UL_tti_req->pdus_list[0].pusch_pdu;
nr_fill_ulsch(gNB,frame_rx,slot_rx,pusch_pdu);
uint8_t ULSCH_id = find_nr_ulsch(pusch_pdu->rnti,gNB,SEARCH_EXIST);
uint8_t harq_pid = pusch_pdu->pusch_data.harq_process_id;
uint8_t symbol_start = pusch_pdu->start_symbol_index;
uint8_t symbol_end = symbol_start + pusch_pdu->nr_of_symbols;
uint8_t ULSCH_id = find_nr_ulsch(pusch_pdu->rnti,gNB,SEARCH_EXIST);
uint8_t harq_pid = pusch_pdu->pusch_data.harq_process_id;
uint8_t symbol_start = pusch_pdu->start_symbol_index;
uint8_t symbol_end = symbol_start + pusch_pdu->nr_of_symbols;
for(uint8_t symbol = symbol_start; symbol < symbol_end; symbol++) {
nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, symbol, harq_pid);
}
//LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[0]->rxdataF_comp[0],6900,1,1);
//LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[0]->rxdataF_ext[0],6900,1,1);
nr_ulsch_procedures(gNB, frame_rx, slot_rx, ULSCH_id, harq_pid);
nr_fill_rx_indication(gNB, frame_rx, slot_rx, ULSCH_id, harq_pid); // indicate SDU to MAC
nr_fill_crc_indication(gNB, frame_rx, slot_rx, ULSCH_id, 0);
}
for(uint8_t symbol = symbol_start; symbol < symbol_end; symbol++) {
nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, symbol, harq_pid);
}
//LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[0]->rxdataF_comp[0],6900,1,1);
//LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[0]->rxdataF_ext[0],6900,1,1);
nr_ulsch_procedures(gNB, frame_rx, slot_rx, ULSCH_id, harq_pid);
nr_fill_rx_indication(gNB, frame_rx, slot_rx, ULSCH_id, harq_pid); // indicate SDU to MAC
nr_fill_crc_indication(gNB, frame_rx, slot_rx, ULSCH_id, 0);
break;
case NFAPI_NR_UL_CONFIG_PUCCH_PDU_TYPE:
LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_CONFIG_PUCCH_PDU_TYPE\n",frame_rx,slot_rx);
break;
case NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE:
LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE\n",frame_rx,slot_rx);
break;
}
}
}
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+46
View File
@@ -32,6 +32,52 @@
#include "LAYER2/NR_MAC_gNB/mac_proto.h"
// Table 6.3.3.1-5 (38.211) NCS for preamble formats with delta_f_RA = 1.25 KHz
uint16_t NCS_unrestricted_delta_f_RA_125[16] = {0,13,15,18,22,26,32,38,46,59,76,93,119,167,279,419};
uint16_t NCS_restricted_TypeA_delta_f_RA_125[15] = {15,18,22,26,32,38,46,55,68,82,100,128,158,202,237}; // high-speed case set Type A
uint16_t NCS_restricted_TypeB_delta_f_RA_125[13] = {15,18,22,26,32,38,46,55,68,82,100,118,137}; // high-speed case set Type B
// Table 6.3.3.1-6 (38.211) NCS for preamble formats with delta_f_RA = 5 KHz
uint16_t NCS_unrestricted_delta_f_RA_5[16] = {0,13,26,33,38,41,49,55,64,76,93,119,139,209,279,419};
uint16_t NCS_restricted_TypeA_delta_f_RA_5[16] = {36,57,72,81,89,94,103,112,121,132,137,152,173,195,216,237}; // high-speed case set Type A
uint16_t NCS_restricted_TypeB_delta_f_RA_5[14] = {36,57,60,63,65,68,71,77,81,85,97,109,122,137}; // high-speed case set Type B
// Table 6.3.3.1-7 (38.211) NCS for preamble formats with delta_f_RA = 15 * 2mu KHz where mu = {0,1,2,3}
uint16_t NCS_unrestricted_delta_f_RA_15[16] = {0,2,4,6,8,10,12,13,15,17,19,23,27,34,46,69};
uint16_t get_NCS(uint8_t index, uint16_t format0, uint8_t restricted_set_config) {
if (format0 < 3) {
switch(restricted_set_config){
case 0:
return(NCS_unrestricted_delta_f_RA_125[index]);
case 1:
return(NCS_restricted_TypeA_delta_f_RA_125[index]);
case 2:
return(NCS_restricted_TypeB_delta_f_RA_125[index]);
default:
AssertFatal(1==0,"Invalid restricted set config value %d",restricted_set_config);
}
}
else {
if (format0 == 3) {
switch(restricted_set_config){
case 0:
return(NCS_unrestricted_delta_f_RA_5[index]);
case 1:
return(NCS_restricted_TypeA_delta_f_RA_5[index]);
case 2:
return(NCS_restricted_TypeB_delta_f_RA_5[index]);
default:
AssertFatal(1==0,"Invalid restricted set config value %d",restricted_set_config);
}
}
else
return(NCS_unrestricted_delta_f_RA_15[index]);
}
}
// Table 6.3.3.2-2: Random access configurations for FR1 and paired spectrum/supplementary uplink
// the column 5, (SFN_nbr is a bitmap where we set bit to '1' in the position of the subframe where the RACH can be sent.
// E.g. in row 4, and column 5 we have set value 512 ('1000000000') which means RACH can be sent at subframe 9.
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+2
View File
@@ -53,6 +53,8 @@ int get_nr_prach_info_from_index(uint8_t index,
uint8_t *N_t_slot,
uint8_t *N_dur);
uint16_t get_NCS(uint8_t index, uint16_t format, uint8_t restricted_set_config);
typedef enum {
NR_DL_DCI_FORMAT_1_0 = 0,
NR_DL_DCI_FORMAT_1_1,
openair2/LAYER2/NR_MAC_gNB/config.c
+11 -1
View File
@@ -122,13 +122,23 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
}
}
lte_frame_type_t frame_type;
uint16_t band;
int32_t offset;
get_band((cfg->carrier_config.dl_frequency.value)*1000,
&band,
&offset,
&frame_type);
RC.nrmac[Mod_idP]->common_channels[0].frame_type = frame_type;
// Cell configuration
cfg->cell_config.phy_cell_id.value = *scc->physCellId;
cfg->cell_config.phy_cell_id.tl.tag = NFAPI_NR_CONFIG_PHY_CELL_ID_TAG;
cfg->num_tlv++;
cfg->cell_config.frame_duplex_type.value = 1;
cfg->cell_config.frame_duplex_type.value = frame_type;
cfg->cell_config.frame_duplex_type.tl.tag = NFAPI_NR_CONFIG_FRAME_DUPLEX_TYPE_TAG;
cfg->num_tlv++;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+115 -8
View File
@@ -263,18 +263,122 @@ void schedule_nr_SRS(module_id_t module_idP, frame_t frameP, sub_frame_t subfram
}
*/
/*
void schedule_nr_prach(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP) {
void schedule_nr_prach(module_id_t module_idP, frame_t frameP, sub_frame_t slotP) {
gNB_MAC_INST *gNB = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc = gNB->common_channels;
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[module_idP]->UL_tti_req[0];
// schedule PRACH for iniital BWP
uint8_t config_index = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.prach_ConfigurationIndex;
uint8_t mu,N_dur,N_t_slot,start_symbol;
uint16_t format;
if (is_initialBWP_prach_subframe(frameP,subframeP)<0) return;
// fill FAPI
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing)
mu = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing;
else
mu = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
// prach is scheduled according to configuration index and tables 6.3.3.2.2 to 6.3.3.2.4
if ( get_nr_prach_info_from_index(config_index,
(int)frameP,
(int)slotP,
scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA,
mu,
cc->frame_type,
&format,
&start_symbol,
&N_t_slot,
&N_dur) ) {
int fdm = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM;
uint16_t format0 = format&0xff; // first column of format from table
uint16_t format1 = (format>>8)&0xff; // second column of format from table
UL_tti_req->SFN = frameP;
UL_tti_req->Slot = slotP;
for (int n=0; n<(1<<fdm); n++) { // one structure per frequency domain occasion
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_prach_pdu_t);
nfapi_nr_prach_pdu_t *prach_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].prach_pdu;
memset(prach_pdu,0,sizeof(nfapi_nr_prach_pdu_t));
UL_tti_req->n_pdus+=1;
// filling the prach fapi structure
prach_pdu->phys_cell_id = *scc->physCellId;
prach_pdu->num_prach_ocas = N_t_slot;
prach_pdu->prach_start_symbol = start_symbol;
prach_pdu->num_ra = n;
prach_pdu->num_cs = get_NCS(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig,
format0,
scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->restrictedSetConfig);
// SCF PRACH PDU format field does not consider A1/B1 etc. possibilities
// We added 9 = A1/B1 10 = A2/B2 11 A3/B3
if (format1!=0xff) {
switch(format0) {
case 0xa1:
prach_pdu->prach_format = 9;
break;
case 0xa2:
prach_pdu->prach_format = 10;
break;
case 0xa3:
prach_pdu->prach_format = 10;
break;
default:
AssertFatal(1==0,"Only formats A1/B1 A2/B2 A3/B3 are valid for dual format");
}
}
else{
switch(format0) {
case 0xa1:
prach_pdu->prach_format = 0;
break;
case 0xa2:
prach_pdu->prach_format = 1;
break;
case 0xa3:
prach_pdu->prach_format = 2;
break;
case 0xb1:
prach_pdu->prach_format = 3;
break;
case 0xb2:
prach_pdu->prach_format = 4;
break;
case 0xb3:
prach_pdu->prach_format = 5;
break;
case 0xb4:
prach_pdu->prach_format = 6;
break;
case 0xc0:
prach_pdu->prach_format = 7;
break;
case 0xc2:
prach_pdu->prach_format = 8;
break;
case 0:
// long formats are handled @ PHY
break;
case 1:
// long formats are handled @ PHY
break;
case 2:
// long formats are handled @ PHY
break;
case 3:
// long formats are handled @ PHY
break;
default:
AssertFatal(1==0,"Invalid PRACH format");
}
}
}
}
}
*/
/*
void copy_nr_ulreq(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
@@ -382,7 +486,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
// Phytest scheduling
if (phy_test && slot_txP==1){
nr_schedule_uss_dlsch_phytest(module_idP, frame_txP, slot_txP,NULL);
nr_schedule_RA(module_idP, frame_txP, slot_txP);
//nr_schedule_RA(module_idP, frame_txP, slot_txP);
// resetting ta flag
gNB->ta_len = 0;
}
@@ -396,6 +500,9 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
} //is_nr_DL_slot
if (is_nr_UL_slot(cc->ServingCellConfigCommon,slot_rxP)) {
schedule_nr_prach(module_idP, frame_rxP, slot_rxP);
if (phy_test && slot_rxP==8){
nr_schedule_uss_ulsch_phytest(module_idP, frame_rxP, slot_rxP);
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+5 -5
View File
@@ -716,11 +716,11 @@ void nr_schedule_uss_ulsch_phytest(int Mod_idP,
UL_tti_req->SFN = frameP;
UL_tti_req->Slot = slotP;
UL_tti_req->n_pdus = 1;
UL_tti_req->pdus_list[0].pdu_type = NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE;
UL_tti_req->pdus_list[0].pdu_size = sizeof(nfapi_nr_pusch_pdu_t);
nfapi_nr_pusch_pdu_t *pusch_pdu = &UL_tti_req->pdus_list[0].pusch_pdu;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_pusch_pdu_t);
nfapi_nr_pusch_pdu_t *pusch_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].pusch_pdu;
memset(pusch_pdu,0,sizeof(nfapi_nr_pusch_pdu_t));
UL_tti_req->n_pdus+=1;
LOG_D(MAC, "Scheduling UE specific PUSCH\n");
//UL_tti_req = &nr_mac->UL_tti_req[CC_id];
@@ -832,4 +832,4 @@ void nr_schedule_uss_ulsch_phytest(int Mod_idP,
pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[0]=nr_dci_size(dci_formats[0],rnti_types[0],pdcch_pdu_rel15->BWPSize);
fill_dci_pdu_rel15(pdcch_pdu_rel15,&dci_pdu_rel15[0],dci_formats,rnti_types);
}
}
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+1
View File
@@ -141,6 +141,7 @@ typedef struct {
int p_gNB;
int Ncp;
int nr_band;
lte_frame_type_t frame_type;
uint64_t dl_CarrierFreq;
NR_BCCH_BCH_Message_t *mib;
NR_ServingCellConfigCommon_t *ServingCellConfigCommon;