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

reworking of MAC functions to schedule SSBs, including VRB map occupation and get_type0_PDCCH_CSS_config_parameters

Browse Source
This commit is contained in:
francescomani
2021-03-04 14:32:41 +01:00
parent a494950b0b
commit 18b1218779
9 changed files with 337 additions and 243 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_TRANSPORT/nr_dci.c
+3 -2
View File
@@ -30,7 +30,7 @@
* \warning
*/
#include <LAYER2/NR_MAC_gNB/nr_mac_gNB.h>
#include "nr_dci.h"
#include "nr_dlsch.h"
#include "nr_sch_dmrs.h"
@@ -87,7 +87,8 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
get_coreset_rballoc(pdcch_pdu_rel15->FreqDomainResource,&n_rb,&rb_offset);
cset_start_sc = frame_parms.first_carrier_offset + rb_offset*NR_NB_SC_PER_RB;
if (pdcch_pdu_rel15->CoreSetType == NFAPI_NR_CSET_CONFIG_MIB_SIB1) {
cset_start_sc = cset_start_sc + RC.nrmac[gNB->Mod_id]->type0_PDCCH_CSS_config.cset_start_rb*NR_NB_SC_PER_RB;
// TODO fix this using fapi structures
//cset_start_sc = cset_start_sc + RC.nrmac[gNB->Mod_id]->type0_PDCCH_CSS_config.cset_start_rb*NR_NB_SC_PER_RB;
}
for (int d=0;d<pdcch_pdu_rel15->numDlDci;d++) {
openair2/LAYER2/NR_MAC_COMMON/nr_mac.h
-8
View File
@@ -418,14 +418,6 @@ typedef enum {
NR_RNTI_MCS_C,
} nr_rnti_type_t;
typedef enum subcarrier_spacing_e {
scs_15kHz = 0x1,
scs_30kHz = 0x2,
scs_60kHz = 0x4,
scs_120kHz = 0x8,
scs_240kHz = 0x16
} subcarrier_spacing_t;
typedef enum channel_bandwidth_e {
bw_5MHz = 0x1,
bw_10MHz = 0x2,
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+41 -55
View File
@@ -3117,49 +3117,36 @@ uint32_t get_ssb_slot(uint32_t ssb_index){
// return first_symbol(case, freq, ssb_index) / 14
}
int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
NR_MIB_t *mib,
uint8_t extra_bits,
uint32_t ssb_length,
uint32_t ssb_index,
uint32_t ssb_offset_point_a) {
void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
frame_t frameP,
NR_MIB_t *mib,
uint8_t num_slot_per_frame,
uint8_t ssb_subcarrier_offset,
NR_SubcarrierSpacing_t scs_ssb,
frequency_range_t frequency_range,
uint32_t ssb_index,
uint32_t ssb_offset_point_a) {
// deafult for testing
subcarrier_spacing_t scs_ssb = scs_30kHz;
channel_bandwidth_t min_channel_bw = bw_10MHz;
frequency_range_t frequency_range = FR1;
const uint32_t num_slot_per_frame = 20;
NR_SubcarrierSpacing_t scs_pdcch;
channel_bandwidth_t min_channel_bw = bw_10MHz; // TODO remove hardcoding and implement Table 5.3.5-1 in 38.104
if (frequency_range == FR2) {
if(mib->subCarrierSpacingCommon == NR_MIB__subCarrierSpacingCommon_scs15or60)
scs_pdcch = NR_SubcarrierSpacing_kHz60;
else
scs_pdcch = NR_SubcarrierSpacing_kHz120;
}
else {
frequency_range = FR1;
if(mib->subCarrierSpacingCommon == NR_MIB__subCarrierSpacingCommon_scs15or60)
scs_pdcch = NR_SubcarrierSpacing_kHz15;
else
scs_pdcch = NR_SubcarrierSpacing_kHz30;
}
type0_PDCCH_CSS_config->ssb_length = ssb_length;
type0_PDCCH_CSS_config->ssb_index = ssb_index;
type0_PDCCH_CSS_config->frame = (mib->systemFrameNumber.buf[0] >> mib->systemFrameNumber.bits_unused);
uint16_t frame_number_4lsb = 0;
for (int i=0; i<4; i++) {
frame_number_4lsb |= ((extra_bits>>i)&1)<<(3-i);
}
uint8_t ssb_subcarrier_offset_msb = ( extra_bits >> 5 ) & 0x1; // extra bits[5]
uint8_t ssb_subcarrier_offset = (uint8_t)mib->ssb_SubcarrierOffset;
type0_PDCCH_CSS_config->frame = type0_PDCCH_CSS_config->frame << 4;
type0_PDCCH_CSS_config->frame = type0_PDCCH_CSS_config->frame | frame_number_4lsb;
if(type0_PDCCH_CSS_config->ssb_length == 64){
type0_PDCCH_CSS_config->ssb_index = type0_PDCCH_CSS_config->ssb_index & (( extra_bits >> 2 ) & 0x1C ); // { extra_bits[5:7], ssb_index[2:0] }
}else{
if(ssb_subcarrier_offset_msb){
ssb_subcarrier_offset = ssb_subcarrier_offset | 0x10;
}
}
// assume carrier frequency < 6GHz
subcarrier_spacing_t scs_pdcch;
if(mib->subCarrierSpacingCommon == NR_MIB__subCarrierSpacingCommon_scs15or60){
scs_pdcch = scs_15kHz;
}else{ //NR_MIB__subCarrierSpacingCommon_scs30or120
scs_pdcch = scs_30kHz;
}
type0_PDCCH_CSS_config->frame = frameP;
uint32_t is_condition_A = (ssb_subcarrier_offset == 0); // 38.213 ch.13
uint32_t index_4msb = (mib->pdcch_ConfigSIB1.controlResourceSetZero);
@@ -3170,8 +3157,8 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
type0_PDCCH_CSS_config->rb_offset = -1;
// type0-pdcch coreset
switch( (scs_ssb << 5) | scs_pdcch ){
case (scs_15kHz << 5) | scs_15kHz :
switch( (scs_ssb << 3) | scs_pdcch ){
case (NR_SubcarrierSpacing_kHz15 << 5) | NR_SubcarrierSpacing_kHz15:
AssertFatal(index_4msb < 15, "38.213 Table 13-1 4 MSB out of range\n");
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
type0_PDCCH_CSS_config->num_rbs = table_38213_13_1_c2[index_4msb];
@@ -3179,7 +3166,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
type0_PDCCH_CSS_config->rb_offset = table_38213_13_1_c4[index_4msb];
break;
case (scs_15kHz << 5) | scs_30kHz:
case (NR_SubcarrierSpacing_kHz15 << 3) | NR_SubcarrierSpacing_kHz30:
AssertFatal(index_4msb < 14, "38.213 Table 13-2 4 MSB out of range\n");
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
type0_PDCCH_CSS_config->num_rbs = table_38213_13_2_c2[index_4msb];
@@ -3187,7 +3174,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
type0_PDCCH_CSS_config->rb_offset = table_38213_13_2_c4[index_4msb];
break;
case (scs_30kHz << 5) | scs_15kHz:
case (NR_SubcarrierSpacing_kHz30 << 3) | NR_SubcarrierSpacing_kHz15:
if((min_channel_bw & bw_5MHz) | (min_channel_bw & bw_10MHz)){
AssertFatal(index_4msb < 9, "38.213 Table 13-3 4 MSB out of range\n");
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
@@ -3204,7 +3191,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
break;
case (scs_30kHz << 5) | scs_30kHz:
case (NR_SubcarrierSpacing_kHz30 << 3) | NR_SubcarrierSpacing_kHz30:
if((min_channel_bw & bw_5MHz) | (min_channel_bw & bw_10MHz)){
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
type0_PDCCH_CSS_config->num_rbs = table_38213_13_4_c2[index_4msb];
@@ -3220,7 +3207,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
}else{ ; }
break;
case (scs_120kHz << 5) | scs_60kHz:
case (NR_SubcarrierSpacing_kHz120 << 3) | NR_SubcarrierSpacing_kHz60:
AssertFatal(index_4msb < 12, "38.213 Table 13-7 4 MSB out of range\n");
if(index_4msb & 0x7){
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
@@ -3237,7 +3224,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
}
break;
case (scs_120kHz << 5) | scs_120kHz:
case (NR_SubcarrierSpacing_kHz120 << 3) | NR_SubcarrierSpacing_kHz120:
AssertFatal(index_4msb < 8, "38.213 Table 13-8 4 MSB out of range\n");
if(index_4msb & 0x3){
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
@@ -3254,7 +3241,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
}
break;
case (scs_240kHz << 5) | scs_60kHz:
case (NR_SubcarrierSpacing_kHz240 << 3) | NR_SubcarrierSpacing_kHz60:
AssertFatal(index_4msb < 4, "38.213 Table 13-9 4 MSB out of range\n");
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
type0_PDCCH_CSS_config->num_rbs = table_38213_13_9_c2[index_4msb];
@@ -3262,7 +3249,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
type0_PDCCH_CSS_config->rb_offset = table_38213_13_9_c4[index_4msb];
break;
case (scs_240kHz << 5) | scs_120kHz:
case (NR_SubcarrierSpacing_kHz240 << 3) | NR_SubcarrierSpacing_kHz120:
AssertFatal(index_4msb < 8, "38.213 Table 13-10 4 MSB out of range\n");
if(index_4msb & 0x3){
type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern = 1;
@@ -3333,7 +3320,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
type0_PDCCH_CSS_config->number_of_search_space_per_slot = table_38213_13_11_c2[index_4lsb];
big_m = table_38213_13_11_c3[index_4lsb];
uint32_t temp = (uint32_t)(big_o*scs_pdcch) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m);
uint32_t temp = (uint32_t)(big_o*(1<<scs_pdcch)) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m);
type0_PDCCH_CSS_config->n_c = temp / num_slot_per_frame;
if((temp/num_slot_per_frame) & 0x1){
type0_PDCCH_CSS_config->sfn_c = SFN_C_MOD_2_EQ_1;
@@ -3369,7 +3356,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
/// MUX PATTERN 2
if(type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 2){
if((scs_ssb == scs_120kHz) && (scs_pdcch == scs_60kHz)){
if((scs_ssb == NR_SubcarrierSpacing_kHz120) && (scs_pdcch == NR_SubcarrierSpacing_kHz60)){
// 38.213 Table 13-13
AssertFatal(index_4lsb == 0, "38.213 Table 13-13 4 LSB out of range\n");
// PDCCH monitoring occasions (SFN and slot number) same as SSB frame-slot
@@ -3391,7 +3378,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
default: break;
}
}else if((scs_ssb == scs_240kHz) && (scs_pdcch == scs_120kHz)){
}else if((scs_ssb == NR_SubcarrierSpacing_kHz240) && (scs_pdcch == NR_SubcarrierSpacing_kHz120)){
// 38.213 Table 13-14
AssertFatal(index_4lsb == 0, "38.213 Table 13-14 4 LSB out of range\n");
// PDCCH monitoring occasions (SFN and slot number) same as SSB frame-slot
@@ -3433,7 +3420,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
/// MUX PATTERN 3
if(type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 3){
if((scs_ssb == scs_120kHz) && (scs_pdcch == scs_120kHz)){
if((scs_ssb == NR_SubcarrierSpacing_kHz120) && (scs_pdcch == NR_SubcarrierSpacing_kHz120)){
// 38.213 Table 13-15
AssertFatal(index_4lsb == 0, "38.213 Table 13-15 4 LSB out of range\n");
// PDCCH monitoring occasions (SFN and slot number) same as SSB frame-slot
@@ -3475,8 +3462,7 @@ int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDC
AssertFatal(type0_PDCCH_CSS_config->sfn_c!=SFN_C_IMPOSSIBLE,"");
AssertFatal(type0_PDCCH_CSS_config->n_c!=UINT_MAX,"");
type0_PDCCH_CSS_config->n_0 = ((uint32_t)(big_o*scs_pdcch) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m))%num_slot_per_frame;
type0_PDCCH_CSS_config->n_0 = ((uint32_t)(big_o*(1<<scs_pdcch)) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m))%num_slot_per_frame;
type0_PDCCH_CSS_config->cset_start_rb = ssb_offset_point_a - type0_PDCCH_CSS_config->rb_offset;
return 0;
}
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+9 -6
View File
@@ -126,12 +126,15 @@ int32_t get_l_prime(uint8_t duration_in_symbols, uint8_t mapping_type, pusch_dmr
uint8_t get_L_ptrs(uint8_t mcs1, uint8_t mcs2, uint8_t mcs3, uint8_t I_mcs, uint8_t mcs_table);
uint8_t get_K_ptrs(uint16_t nrb0, uint16_t nrb1, uint16_t N_RB);
int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
NR_MIB_t *mib,
uint8_t extra_bits,
uint32_t ssb_length,
uint32_t ssb_index,
uint32_t ssb_offset_point_a);
void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
frame_t frameP,
NR_MIB_t *mib,
uint8_t num_slot_per_frame,
uint8_t ssb_subcarrier_offset,
NR_SubcarrierSpacing_t scs_ssb,
frequency_range_t frequency_range,
uint32_t ssb_index,
uint32_t ssb_offset_point_a);
int16_t get_N_RA_RB (int delta_f_RA_PRACH,int delta_f_PUSCH);
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+14 -3
View File
@@ -104,7 +104,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
LOG_I(MAC,"[L2][MAC] decode mib\n");
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
frequency_range_t frequency_range;
nr_mac_rrc_data_ind_ue( module_id, cc_id, gNB_index, NR_BCCH_BCH, (uint8_t *) pduP, 3 ); // fixed 3 bytes MIB PDU
AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n");
@@ -120,9 +120,11 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
frame = frame << 4;
frame = frame | frame_number_4lsb;
if(ssb_length == 64){
frequency_range = FR2;
for (int i=0; i<3; i++)
ssb_index += (((extra_bits>>(7-i))&0x01)<<(3+i));
}else{
frequency_range = FR1;
if(ssb_subcarrier_offset_msb){
ssb_subcarrier_offset = ssb_subcarrier_offset | 0x10;
}
@@ -141,10 +143,19 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
//storing ssb index in the mac structure
mac->mib_ssb = ssb_index;
get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config, mac->mib, extra_bits, ssb_length, ssb_index,
// TODO fix this (it shouldn't be taken from config)
uint8_t scs_ssb = mac->phy_config.config_req.ssb_config.scs_common;
get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config,
frame,
mac->mib,
nr_slots_per_frame[scs_ssb],
ssb_subcarrier_offset,
scs_ssb,
frequency_range,
ssb_index,
mac->phy_config.config_req.ssb_table.ssb_offset_point_a);
ssb_index = mac->type0_PDCCH_CSS_config.ssb_index; // TODO: ssb_index should obtain from L1 in case Lssb != 64
mac->type0_pdcch_ss_mux_pattern = mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern;
mac->type0_pdcch_ss_sfn_c = mac->type0_PDCCH_CSS_config.sfn_c;
mac->type0_pdcch_ss_n_c = mac->type0_PDCCH_CSS_config.n_c;
openair2/LAYER2/NR_MAC_gNB/config.c
+7 -6
View File
@@ -54,7 +54,7 @@ extern RAN_CONTEXT_t RC;
extern void mac_top_init_gNB(void);
extern uint8_t nfapi_mode;
void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigCommon_t *scc) {
void config_common(int Mod_idP, int ssb_SubcarrierOffset, int pdsch_AntennaPorts, NR_ServingCellConfigCommon_t *scc) {
nfapi_nr_config_request_scf_t *cfg = &RC.nrmac[Mod_idP]->config[0];
RC.nrmac[Mod_idP]->common_channels[0].ServingCellConfigCommon = scc;
@@ -241,6 +241,9 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
cfg->ssb_table.ssb_period.value = *scc->ssb_periodicityServingCell;
cfg->ssb_table.ssb_period.tl.tag = NFAPI_NR_CONFIG_SSB_PERIOD_TAG;
cfg->num_tlv++;
cfg->ssb_table.ssb_subcarrier_offset.value = ssb_SubcarrierOffset;
cfg->ssb_table.ssb_subcarrier_offset.tl.tag = NFAPI_NR_CONFIG_SSB_SUBCARRIER_OFFSET_TAG;
cfg->num_tlv++;
switch (scc->ssb_PositionsInBurst->present) {
case 1 :
@@ -362,6 +365,7 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
LOG_I(MAC,"Configuring common parameters from NR ServingCellConfig\n");
config_common(Mod_idP,
ssb_SubcarrierOffset,
pdsch_AntennaPorts,
scc);
LOG_E(MAC, "%s() %s:%d RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req:%p\n", __FUNCTION__, __FILE__, __LINE__, RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req);
@@ -374,7 +378,8 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
printf("Waiting for PHY_config_req\n");
}
}
RC.nrmac[Mod_idP]->ssb_SubcarrierOffset = ssb_SubcarrierOffset;
RC.nrmac[Mod_idP]->pusch_target_snrx10 = pusch_tgt_snrx10;
RC.nrmac[Mod_idP]->pucch_target_snrx10 = pucch_tgt_snrx10;
NR_PHY_Config_t phycfg;
@@ -382,10 +387,6 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
phycfg.CC_id = 0;
phycfg.cfg = &RC.nrmac[Mod_idP]->config[0];
phycfg.cfg->ssb_table.ssb_subcarrier_offset.value = ssb_SubcarrierOffset;
phycfg.cfg->ssb_table.ssb_subcarrier_offset.tl.tag = NFAPI_NR_CONFIG_SSB_SUBCARRIER_OFFSET_TAG;
phycfg.cfg->num_tlv++;
if (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req) RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req(&phycfg);
find_SSB_and_RO_available(Mod_idP);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+256 -161
View File
@@ -55,24 +55,36 @@
extern RAN_CONTEXT_t RC;
extern uint8_t SSB_Table[38];
void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP, uint8_t slots_per_frame){
// start symbols for SSB types A,B,C,D,E
uint16_t symbol_ssb_AC[8]={2,8,16,22,30,36,44,50};
uint16_t symbol_ssb_BD[64]={4,8,16,20,32,36,44,48,60,64,72,76,88,92,100,104,144,148,156,160,172,176,184,188,200,204,212,216,228,232,240,244,284,288,
296,300,312,316,324,328,340,344,352,356,368,372,380,384,424,428,436,440,452,456,464,468,480,484,492,496,508,512,520,524};
uint16_t symbol_ssb_E[64]={8,12,16,20,32,36,40,44,64,68,72,76,88,92,96,100,120,124,128,132,144,148,152,156,176,180,184,188,200,204,208,212,288,292,
296,300,312,316,320,324,344,348,352,356,368,372,376,380,400,404,408,412,424,428,432,436,456,460,464,468,480,484,488,492};
gNB_MAC_INST *gNB = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc;
nfapi_nr_dl_tti_request_t *dl_tti_request;
nfapi_nr_dl_tti_request_body_t *dl_req;
nfapi_nr_dl_tti_request_pdu_t *dl_config_pdu;
uint16_t get_ssb_start_symbol(const long band, NR_SubcarrierSpacing_t scs, int i_ssb) {
int mib_sdu_length;
int CC_id;
switch (scs) {
case NR_SubcarrierSpacing_kHz15:
return symbol_ssb_AC[i_ssb]; //type A
case NR_SubcarrierSpacing_kHz30:
if (band == 5 || band == 66)
return symbol_ssb_BD[i_ssb]; //type B
else
return symbol_ssb_AC[i_ssb]; //type C
case NR_SubcarrierSpacing_kHz120:
return symbol_ssb_BD[i_ssb]; //type D
case NR_SubcarrierSpacing_kHz240:
return symbol_ssb_E[i_ssb];
default:
AssertFatal(1 == 0, "SCS %ld not allowed for SSB \n",scs);
}
}
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
cc = &gNB->common_channels[CC_id];
const long band = *cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
const uint32_t ssb_offset0 = *cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
int ratio;
switch (*cc->ServingCellConfigCommon->ssbSubcarrierSpacing) {
uint16_t get_ssboffset_pointa(NR_ServingCellConfigCommon_t *scc,const long band) {
int ratio;
switch (*scc->ssbSubcarrierSpacing) {
case NR_SubcarrierSpacing_kHz15:
AssertFatal(band <= 79,
"Band %ld is not possible for SSB with 15 kHz SCS\n",
@@ -105,133 +117,210 @@ void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP,
break;
default:
AssertFatal(1 == 0, "SCS %ld not allowed for SSB \n",
*cc->ServingCellConfigCommon->ssbSubcarrierSpacing);
}
*scc->ssbSubcarrierSpacing);
}
// scheduling MIB every 8 frames, PHY repeats it in between
const uint32_t ssb_offset0 = *scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
return (ssb_offset0/(ratio*12) - 10); // absoluteFrequencySSB is the center of SSB
}
void schedule_ssb(NR_ServingCellConfigCommon_t *scc, nfapi_nr_dl_tti_request_body_t *dl_req, int i_ssb, uint8_t scoffset, uint16_t offset_pointa, uint32_t payload) {
nfapi_nr_dl_tti_request_pdu_t *dl_config_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
memset((void *) dl_config_pdu, 0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
dl_config_pdu->PDUType = NFAPI_NR_DL_TTI_SSB_PDU_TYPE;
dl_config_pdu->PDUSize =2 + sizeof(nfapi_nr_dl_tti_ssb_pdu_rel15_t);
AssertFatal(scc->physCellId!=NULL,"ServingCellConfigCommon->physCellId is null\n");
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.PhysCellId = *scc->physCellId;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.BetaPss = 0;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = i_ssb;
AssertFatal(scc->downlinkConfigCommon!=NULL,"scc->downlinkConfigCommonL is null\n");
AssertFatal(scc->downlinkConfigCommon->frequencyInfoDL!=NULL,"scc->downlinkConfigCommon->frequencyInfoDL is null\n");
AssertFatal(scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB!=NULL,"scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB is null\n");
AssertFatal(scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.count==1,"Frequency Band list does not have 1 element (%d)\n",
scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.count);
AssertFatal(scc->ssbSubcarrierSpacing,"ssbSubcarrierSpacing is null\n");
AssertFatal(scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],"band is null\n");
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.SsbSubcarrierOffset = scoffset; //kSSB
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.ssbOffsetPointA = offset_pointa;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag = 1;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload = payload;
dl_req->nPDUs++;
}
void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP, uint8_t slots_per_frame){
gNB_MAC_INST *gNB = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc;
gNB->num_css_config = 0;
nfapi_nr_dl_tti_request_t *dl_tti_request;
nfapi_nr_dl_tti_request_body_t *dl_req;
NR_MIB_t *mib = RC.nrrrc[module_idP]->carrier.mib.message.choice.mib;
int mib_sdu_length;
int CC_id;
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
cc = &gNB->common_channels[CC_id];
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
dl_tti_request = &gNB->DL_req[CC_id];
dl_req = &dl_tti_request->dl_tti_request_body;
// get MIB every 8 frames
if((slotP == 0) && (frameP & 7) == 0) {
dl_tti_request = &gNB->DL_req[CC_id];
dl_req = &dl_tti_request->dl_tti_request_body;
mib_sdu_length = mac_rrc_nr_data_req(module_idP, CC_id, frameP, MIBCH, 1, &cc->MIB_pdu.payload[0]);
LOG_D(MAC, "Frame %d, slot %d: BCH PDU length %d\n", frameP, slotP, mib_sdu_length);
if (mib_sdu_length > 0) {
LOG_D(MAC,
"Frame %d, slot %d: Adding BCH PDU in position %d (length %d)\n",
frameP,
slotP,
dl_req->nPDUs,
mib_sdu_length);
if ((frameP & 1023) < 80){
LOG_D(MAC,
"[gNB %d] Frame %d : MIB->BCH CC_id %d, Received %d bytes\n",
module_idP,
frameP,
CC_id,
mib_sdu_length);
}
dl_config_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
memset((void *) dl_config_pdu, 0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
dl_config_pdu->PDUType = NFAPI_NR_DL_TTI_SSB_PDU_TYPE;
dl_config_pdu->PDUSize =2 + sizeof(nfapi_nr_dl_tti_ssb_pdu_rel15_t);
AssertFatal(cc->ServingCellConfigCommon->physCellId!=NULL,"cc->ServingCellConfigCommon->physCellId is null\n");
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.PhysCellId = *cc->ServingCellConfigCommon->physCellId;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.BetaPss = 0;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = 0;
AssertFatal(cc->ServingCellConfigCommon->downlinkConfigCommon!=NULL,"scc->downlinkConfigCommonL is null\n");
AssertFatal(cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL!=NULL,"scc->downlinkConfigCommon->frequencyInfoDL is null\n");
AssertFatal(cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB!=NULL,"scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB is null\n");
AssertFatal(cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.count==1,"Frequency Band list does not have 1 element (%d)\n",cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.count);
AssertFatal(cc->ServingCellConfigCommon->ssbSubcarrierSpacing,"ssbSubcarrierSpacing is null\n");
AssertFatal(cc->ServingCellConfigCommon->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],"band is null\n");
const nfapi_nr_config_request_scf_t *cfg = &RC.nrmac[module_idP]->config[0];
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.SsbSubcarrierOffset = cfg->ssb_table.ssb_subcarrier_offset.value; //kSSB
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.ssbOffsetPointA = ssb_offset0/(ratio*12) - 10; // absoluteFrequencySSB is the center of SSB
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag = 1;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload = (*(uint32_t*)cc->MIB_pdu.payload) & ((1<<24)-1);
dl_req->nPDUs++;
}
// Get type0_PDCCH_CSS_config parameters
NR_DL_FRAME_PARMS *frame_parms = &RC.gNB[module_idP]->frame_parms;
NR_MIB_t *mib = RC.nrrrc[module_idP]->carrier.mib.message.choice.mib;
uint8_t gNB_xtra_byte = 0;
for (int i = 0; i < 8; i++) {
gNB_xtra_byte |= ((RC.gNB[module_idP]->pbch.pbch_a >> (31 - i)) & 1) << (7 - i);
}
get_type0_PDCCH_CSS_config_parameters(&gNB->type0_PDCCH_CSS_config, mib, gNB_xtra_byte, frame_parms->Lmax,
frame_parms->ssb_index, frame_parms->ssb_start_subcarrier/NR_NB_SC_PER_RB);
LOG_I(MAC,
"[gNB %d] Frame %d : MIB->BCH CC_id %d, Received %d bytes\n",
module_idP,
frameP,
CC_id,
mib_sdu_length);
}
// checking if there is any SSB in slot
const int abs_slot = (slots_per_frame * frameP) + slotP;
const int slot_per_period = (slots_per_frame>>1)<<(*cc->ServingCellConfigCommon->ssb_periodicityServingCell);
int eff_120_slot;
const BIT_STRING_t *shortBitmap = &cc->ServingCellConfigCommon->ssb_PositionsInBurst->choice.shortBitmap;
const BIT_STRING_t *mediumBitmap = &cc->ServingCellConfigCommon->ssb_PositionsInBurst->choice.mediumBitmap;
const BIT_STRING_t *longBitmap = &cc->ServingCellConfigCommon->ssb_PositionsInBurst->choice.longBitmap;
uint8_t buf = 0;
switch (cc->ServingCellConfigCommon->ssb_PositionsInBurst->present) {
case 1:
// presence of ssbs possible in the first 2 slots of ssb period
if ((abs_slot % slot_per_period) < 2 &&
(((shortBitmap->buf[0]) >> (6 - (slotP << 1))) & 3) != 0)
fill_ssb_vrb_map(cc, (ssb_offset0 / (ratio * 12) - 10), CC_id);
break;
case 2:
// presence of ssbs possible in the first 4 slots of ssb period
if ((abs_slot % slot_per_period) < 4 &&
(((mediumBitmap->buf[0]) >> (6 - (slotP << 1))) & 3) != 0)
fill_ssb_vrb_map(cc, (ssb_offset0 / (ratio * 12) - 10), CC_id);
break;
case 3:
AssertFatal(*cc->ServingCellConfigCommon->ssbSubcarrierSpacing ==
NR_SubcarrierSpacing_kHz120,
"240kHZ subcarrier spacing currently not supported for SSBs\n");
if ((abs_slot % slot_per_period) < 8) {
eff_120_slot = slotP;
buf = longBitmap->buf[0];
} else if ((abs_slot % slot_per_period) < 17) {
eff_120_slot = slotP - 9;
buf = longBitmap->buf[1];
} else if ((abs_slot % slot_per_period) < 26) {
eff_120_slot = slotP - 18;
buf = longBitmap->buf[2];
} else if ((abs_slot % slot_per_period) < 35) {
eff_120_slot = slotP - 27;
buf = longBitmap->buf[3];
}
if (((buf >> (6 - (eff_120_slot << 1))) & 3) != 0)
fill_ssb_vrb_map(cc, ssb_offset0 / (ratio * 12) - 10, CC_id);
break;
default:
AssertFatal(0,
"SSB bitmap size value %d undefined (allowed values 1,2,3)\n",
cc->ServingCellConfigCommon->ssb_PositionsInBurst->present);
int8_t ssb_period = *scc->ssb_periodicityServingCell;
uint8_t ssb_frame_periodicity = 1; // every how many frames SSB are generated
if (ssb_period > 1) // 0 is every half frame
ssb_frame_periodicity = 1 << (ssb_period -1);
if (!(frameP%ssb_frame_periodicity) &&
((slotP<(slots_per_frame>>1)) || (ssb_period == 0))) {
// schedule SSB only for given frames according to SSB periodicity
// and in first half frame unless periodicity of 5ms
int rel_slot;
if (ssb_period == 0) // scheduling every half frame
rel_slot = slotP%(slots_per_frame>>1);
else
rel_slot = slotP;
NR_SubcarrierSpacing_t scs = *scc->ssbSubcarrierSpacing;
const long band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
uint16_t offset_pointa = get_ssboffset_pointa(scc,band);
uint8_t ssbSubcarrierOffset = gNB->ssb_SubcarrierOffset;
const BIT_STRING_t *shortBitmap = &scc->ssb_PositionsInBurst->choice.shortBitmap;
const BIT_STRING_t *mediumBitmap = &scc->ssb_PositionsInBurst->choice.mediumBitmap;
const BIT_STRING_t *longBitmap = &scc->ssb_PositionsInBurst->choice.longBitmap;
uint16_t ssb_start_symbol;
switch (scc->ssb_PositionsInBurst->present) {
case 1:
// short bitmap (<3GHz) max 4 SSBs
for (int i_ssb=0; i_ssb<4; i_ssb++) {
if ((shortBitmap->buf[0]>>(7-i_ssb))&0x01) {
ssb_start_symbol = get_ssb_start_symbol(band,scs,i_ssb);
// if start symbol is in current slot, schedule current SSB, fill VRB map and call get_type0_PDCCH_CSS_config_parameters
if ((ssb_start_symbol/14) == rel_slot){
schedule_ssb(scc, dl_req, i_ssb, ssbSubcarrierOffset, offset_pointa, (*(uint32_t*)cc->MIB_pdu.payload) & ((1<<24)-1));
fill_ssb_vrb_map(cc, offset_pointa, ssb_start_symbol, CC_id);
if (get_softmodem_params()->sa == 1) {
get_type0_PDCCH_CSS_config_parameters(&gNB->type0_PDCCH_CSS_config[gNB->num_css_config],
frameP,
mib,
slots_per_frame,
ssbSubcarrierOffset,
scs,
FR1,
i_ssb,
offset_pointa);
gNB->num_css_config++;
}
}
}
}
break;
case 2:
// medium bitmap (<6GHz) max 8 SSBs
for (int i_ssb=0; i_ssb<8; i_ssb++) {
if ((mediumBitmap->buf[0]>>(7-i_ssb))&0x01) {
ssb_start_symbol = get_ssb_start_symbol(band,scs,i_ssb);
// if start symbol is in current slot, schedule current SSB, fill VRB map and call get_type0_PDCCH_CSS_config_parameters
if ((ssb_start_symbol/14) == rel_slot){
schedule_ssb(scc, dl_req, i_ssb, ssbSubcarrierOffset, offset_pointa, (*(uint32_t*)cc->MIB_pdu.payload) & ((1<<24)-1));
fill_ssb_vrb_map(cc, offset_pointa, ssb_start_symbol, CC_id);
if (get_softmodem_params()->sa == 1) {
get_type0_PDCCH_CSS_config_parameters(&gNB->type0_PDCCH_CSS_config[gNB->num_css_config],
frameP,
mib,
slots_per_frame,
ssbSubcarrierOffset,
scs,
FR1,
i_ssb,
offset_pointa);
gNB->num_css_config++;
}
}
}
}
break;
case 3:
// long bitmap FR2 max 64 SSBs
for (int i_ssb=0; i_ssb<63; i_ssb++) {
if ((longBitmap->buf[i_ssb/8]>>(7-i_ssb))&0x01) {
ssb_start_symbol = get_ssb_start_symbol(band,scs,i_ssb);
// if start symbol is in current slot, schedule current SSB, fill VRB map and call get_type0_PDCCH_CSS_config_parameters
if ((ssb_start_symbol/14) == rel_slot){
schedule_ssb(scc, dl_req, i_ssb, ssbSubcarrierOffset, offset_pointa, (*(uint32_t*)cc->MIB_pdu.payload) & ((1<<24)-1));
fill_ssb_vrb_map(cc, offset_pointa, ssb_start_symbol, CC_id);
if (get_softmodem_params()->sa == 1) {
get_type0_PDCCH_CSS_config_parameters(&gNB->type0_PDCCH_CSS_config[gNB->num_css_config],
frameP,
mib,
slots_per_frame,
ssbSubcarrierOffset,
scs,
FR2,
i_ssb,
offset_pointa);
gNB->num_css_config++;
}
}
}
}
break;
default:
AssertFatal(0,"SSB bitmap size value %d undefined (allowed values 1,2,3)\n",
scc->ssb_PositionsInBurst->present);
}
}
}
}
void schedule_nr_SI(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP) {
//----------------------------------------
}
void fill_ssb_vrb_map (NR_COMMON_channels_t *cc, int rbStart, int CC_id) {
void fill_ssb_vrb_map (NR_COMMON_channels_t *cc, int rbStart, uint16_t symStart, int CC_id) {
AssertFatal(*cc->ServingCellConfigCommon->ssbSubcarrierSpacing !=
NR_SubcarrierSpacing_kHz240,
"240kHZ subcarrier won't work with current VRB map because a single SSB might be across 2 slots\n");
uint16_t *vrb_map = cc[CC_id].vrb_map;
for (int rb = 0; rb < 20; rb++)
vrb_map[rbStart + rb] = 1;
vrb_map[rbStart + rb] = 15<<symStart;
}
void schedule_control_sib1(module_id_t module_id,
int CC_id,
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
int time_domain_allocation,
uint8_t mcsTableIdx,
uint8_t mcs,
@@ -274,8 +363,8 @@ void schedule_control_sib1(module_id_t module_id,
return;
}
const uint16_t bwpSize = gNB_mac->type0_PDCCH_CSS_config.num_rbs;
int rbStart = gNB_mac->type0_PDCCH_CSS_config.cset_start_rb;
const uint16_t bwpSize = type0_PDCCH_CSS_config->num_rbs;
int rbStart = type0_PDCCH_CSS_config->cset_start_rb;
// Calculate number of symbols
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
@@ -322,6 +411,7 @@ void schedule_control_sib1(module_id_t module_id,
void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
nfapi_nr_dl_tti_request_body_t *dl_req,
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
uint32_t TBS,
int StartSymbolIndex,
int NrOfSymbols) {
@@ -357,8 +447,8 @@ void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
pdsch_pdu_rel15->rnti = SI_RNTI;
pdsch_pdu_rel15->pduIndex = gNB_mac->pdu_index[0]++;
pdsch_pdu_rel15->BWPSize = gNB_mac->type0_PDCCH_CSS_config.num_rbs;
pdsch_pdu_rel15->BWPStart = gNB_mac->type0_PDCCH_CSS_config.cset_start_rb;
pdsch_pdu_rel15->BWPSize = type0_PDCCH_CSS_config->num_rbs;
pdsch_pdu_rel15->BWPStart = type0_PDCCH_CSS_config->cset_start_rb;
pdsch_pdu_rel15->SubcarrierSpacing = bwp->bwp_Common->genericParameters.subcarrierSpacing;
if (bwp->bwp_Common->genericParameters.cyclicPrefix) {
@@ -415,7 +505,7 @@ void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
// frequency domain assignment
dci_payload.frequency_domain_assignment.val = PRBalloc_to_locationandbandwidth0(
pdsch_pdu_rel15->rbSize, pdsch_pdu_rel15->rbStart, gNB_mac->type0_PDCCH_CSS_config.num_rbs);
pdsch_pdu_rel15->rbSize, pdsch_pdu_rel15->rbStart, type0_PDCCH_CSS_config->num_rbs);
dci_payload.time_domain_assignment.val = gNB_mac->sched_ctrlCommon->time_domain_allocation;
dci_payload.mcs = gNB_mac->sched_ctrlCommon->mcs;
@@ -470,51 +560,56 @@ void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
gNB_MAC_INST *gNB_mac = RC.nrmac[module_idP];
if( (frameP%2 == gNB_mac->type0_PDCCH_CSS_config.sfn_c) && (slotP == gNB_mac->type0_PDCCH_CSS_config.n_0) && (gNB_mac->type0_PDCCH_CSS_config.num_rbs > 0) ) {
for (int i=0; i<gNB_mac->num_css_config; i++) {
LOG_D(MAC,"> SIB1 transmission\n");
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config = &gNB_mac->type0_PDCCH_CSS_config[i];
if( (frameP%2 == type0_PDCCH_CSS_config->sfn_c) && (slotP == type0_PDCCH_CSS_config->n_0) && (type0_PDCCH_CSS_config->num_rbs > 0) ) {
// Get SIB1
uint8_t sib1_payload[NR_MAX_SIB_LENGTH/8];
uint8_t sib1_sdu_length = mac_rrc_nr_data_req(module_idP, CC_id, frameP, BCCH, 1, sib1_payload);
LOG_D(MAC,"sib1_sdu_length = %i\n", sib1_sdu_length);
LOG_D(MAC,"SIB1: \n");
for (int i=0;i<sib1_sdu_length;i++) LOG_D(MAC,"byte %d : %x\n",i,((uint8_t*)sib1_payload)[i]);
LOG_D(MAC,"> SIB1 transmission\n");
// Configure sched_ctrlCommon for SIB1
schedule_control_sib1(module_idP, CC_id, time_domain_allocation, mcsTableIdx, mcs, sib1_sdu_length);
// Get SIB1
uint8_t sib1_payload[NR_MAX_SIB_LENGTH/8];
uint8_t sib1_sdu_length = mac_rrc_nr_data_req(module_idP, CC_id, frameP, BCCH, 1, sib1_payload);
LOG_D(MAC,"sib1_sdu_length = %i\n", sib1_sdu_length);
LOG_D(MAC,"SIB1: \n");
for (int i=0;i<sib1_sdu_length;i++) LOG_D(MAC,"byte %d : %x\n",i,((uint8_t*)sib1_payload)[i]);
// Calculate number of symbols
int startSymbolIndex, nrOfSymbols;
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
// Configure sched_ctrlCommon for SIB1
schedule_control_sib1(module_idP, CC_id, type0_PDCCH_CSS_config, time_domain_allocation, mcsTableIdx, mcs, sib1_sdu_length);
// Calculate number of PRB_DMRS
uint8_t N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup, gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, startSymbolIndex+nrOfSymbols);
uint16_t dmrs_length = get_num_dmrs(dlDmrsSymbPos);
// Calculate number of symbols
int startSymbolIndex, nrOfSymbols;
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
const uint32_t TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS * dmrs_length,0 ,0 ,1 ) >> 3;
// Calculate number of PRB_DMRS
uint8_t N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup,
gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, startSymbolIndex+nrOfSymbols);
uint16_t dmrs_length = get_num_dmrs(dlDmrsSymbPos);
nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
nr_fill_nfapi_dl_sib1_pdu(module_idP, dl_req, TBS, startSymbolIndex, nrOfSymbols);
const uint32_t TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS * dmrs_length,0 ,0 ,1 ) >> 3;
const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
nr_fill_nfapi_dl_sib1_pdu(module_idP, dl_req, type0_PDCCH_CSS_config, TBS, startSymbolIndex, nrOfSymbols);
// Data to be transmitted
bzero(tx_req->TLVs[0].value.direct,MAX_NR_DLSCH_PAYLOAD_BYTES);
memcpy(tx_req->TLVs[0].value.direct, sib1_payload, sib1_sdu_length);
const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
tx_req->PDU_length = TBS;
tx_req->PDU_index = gNB_mac->pdu_index[0]++;
tx_req->num_TLV = 1;
tx_req->TLVs[0].length = TBS + 2;
gNB_mac->TX_req[CC_id].Number_of_PDUs++;
gNB_mac->TX_req[CC_id].SFN = frameP;
gNB_mac->TX_req[CC_id].Slot = slotP;
// Data to be transmitted
bzero(tx_req->TLVs[0].value.direct,MAX_NR_DLSCH_PAYLOAD_BYTES);
memcpy(tx_req->TLVs[0].value.direct, sib1_payload, sib1_sdu_length);
tx_req->PDU_length = TBS;
tx_req->PDU_index = gNB_mac->pdu_index[0]++;
tx_req->num_TLV = 1;
tx_req->TLVs[0].length = TBS + 2;
gNB_mac->TX_req[CC_id].Number_of_PDUs++;
gNB_mac->TX_req[CC_id].SFN = frameP;
gNB_mac->TX_req[CC_id].Slot = slotP;
}
}
}
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+3 -1
View File
@@ -41,6 +41,7 @@ void set_cset_offset(uint16_t);
void mac_top_init_gNB(void);
void config_common(int Mod_idP,
int ssb_SubcarrierOffset,
int pdsch_AntennaPorts,
NR_ServingCellConfigCommon_t *scc
);
@@ -70,6 +71,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
void schedule_control_sib1(module_id_t module_id,
int CC_id,
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
int time_domain_allocation,
uint8_t mcsTableIdx,
uint8_t mcs,
@@ -360,7 +362,7 @@ int binomial(int n, int k);
bool is_xlsch_in_slot(uint64_t bitmap, sub_frame_t slot);
void fill_ssb_vrb_map (NR_COMMON_channels_t *cc, int rbStart, int CC_id);
void fill_ssb_vrb_map (NR_COMMON_channels_t *cc, int rbStart, uint16_t symStart, int CC_id);
/* \brief Function to indicate a received SDU on ULSCH.
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+4 -1
View File
@@ -536,6 +536,8 @@ typedef struct gNB_MAC_INST_s {
int pusch_target_snrx10;
/// Pucch target SNR
int pucch_target_snrx10;
/// Subcarrier Offset
int ssb_SubcarrierOffset;
/// Common cell resources
NR_COMMON_channels_t common_channels[NFAPI_CC_MAX];
/// current PDU index (BCH,DLSCH)
@@ -601,7 +603,8 @@ typedef struct gNB_MAC_INST_s {
NR_UE_sched_ctrl_t *sched_ctrlCommon;
NR_CellGroupConfig_t *secondaryCellGroupCommon;
NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config;
NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config[3];
uint8_t num_css_config;
} gNB_MAC_INST;