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DCI configuration by PDCCHConfig

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This commit is contained in:
Guy De Souza
2019-01-23 13:44:35 +01:00
parent 6526bf3b6e
commit cf22a2146e
3 changed files with 216 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface.h
+31 -4
View File
@@ -13,6 +13,7 @@
#define NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS 5
#define NFAPI_NR_MAX_NB_TCI_STATES_PDCCH 64
// Extension to the generic structures for single tlv values
typedef struct {
@@ -356,7 +357,8 @@ typedef enum {
typedef enum {
NFAPI_NR_CSET_CONFIG_MIB_SIB1=0,
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG, // implicit assumption of coreset Id other than 0
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG_CSET_0
} nfapi_nr_coreset_config_type_e;
typedef enum {
@@ -364,6 +366,31 @@ typedef enum {
NFAPI_NR_CSET_ALL_CONTIGUOUS_RBS
} nfapi_nr_coreset_precoder_granularity_type_e;
typedef enum {
NFAPI_NR_QCL_TYPE_A=0,
NFAPI_NR_QCL_TYPE_B,
NFAPI_NR_QCL_TYPE_C,
NFAPI_NR_QCL_TYPE_D
} nfapi_nr_qcl_type_e;
typedef enum {
NFAPI_NR_SS_PERIODICITY_SL1=1,
NFAPI_NR_SS_PERIODICITY_SL2=2,
NFAPI_NR_SS_PERIODICITY_SL4=4,
NFAPI_NR_SS_PERIODICITY_SL5=5,
NFAPI_NR_SS_PERIODICITY_SL8=8,
NFAPI_NR_SS_PERIODICITY_SL10=10,
NFAPI_NR_SS_PERIODICITY_SL16=16,
NFAPI_NR_SS_PERIODICITY_SL20=20,
NFAPI_NR_SS_PERIODICITY_SL40=40,
NFAPI_NR_SS_PERIODICITY_SL80=80,
NFAPI_NR_SS_PERIODICITY_SL160=160,
NFAPI_NR_SS_PERIODICITY_SL320=320,
NFAPI_NR_SS_PERIODICITY_SL640=640,
NFAPI_NR_SS_PERIODICITY_SL1280=1280,
NFAPI_NR_SS_PERIODICITY_SL2560=2560
} nfapi_nr_search_space_monitoring_periodicity_e;
typedef enum {
NFAPI_NR_PDSCH_TIME_DOMAIN_ALLOC_TYPE_DEFAULT_A=0,
NFAPI_NR_PDSCH_TIME_DOMAIN_ALLOC_TYPE_DEFAULT_B,
@@ -496,9 +523,9 @@ typedef struct{
uint8_t css_format_2_2;
uint8_t css_format_2_3;
uint8_t uss_dci_formats;
uint8_t srs_monitoring_periodicity;
uint8_t slot_monitoring_periodicity;
uint8_t slot_monitoring_offset;
uint16_t srs_monitoring_periodicity;
uint16_t slot_monitoring_periodicity;
uint16_t slot_monitoring_offset;
uint16_t monitoring_symbols_in_slot;
uint16_t number_of_candidates[NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS];
} nfapi_nr_search_space_t;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+175 -2
View File
@@ -110,7 +110,19 @@ uint8_t nr_ss_first_symb_idx_scs_240_120_set1_mux2[6] = {0,1,2,3,0,1};
// Mux pattern type 3
uint8_t nr_ss_first_symb_idx_scs_120_120_mux3[4] = {4,8,2,6};
/// Search space max values indexed by scs
uint8_t nr_max_number_of_candidates_per_slot[4] = {44, 36, 22, 20};
uint8_t nr_max_number_of_cces_per_slot[4] = {56, 56, 48, 32};
static inline uint8_t get_max_candidates(uint8_t scs) {
AssertFatal(scs<4, "Invalid PDCCH subcarrier spacing %d\n", scs);
return (nr_max_number_of_candidates_per_slot[scs]);
}
static inline uint8_t get_max_cces(uint8_t scs) {
AssertFatal(scs<4, "Invalid PDCCH subcarrier spacing %d\n", scs);
return (nr_max_number_of_cces_per_slot[scs]);
}
int is_nr_UL_slot(NR_COMMON_channels_t * ccP, int slot){
@@ -332,11 +344,166 @@ void nr_configure_css_dci_initial(nfapi_nr_dl_config_pdcch_parameters_rel15_t* p
}
void nr_configure_css_dci_from_pdcch_config(nfapi_nr_dl_config_pdcch_parameters_rel15_t* pdcch_params,
void nr_configure_dci_from_pdcch_config(nfapi_nr_dl_config_pdcch_parameters_rel15_t* pdcch_params,
nfapi_nr_coreset_t* coreset,
nfapi_nr_search_space_t* search_space) {
nfapi_nr_search_space_t* search_space,
nfapi_nr_config_request_t cfg) {
/// coreset
//ControlResourceSetId
pdcch_params->config_type = (coreset->coreset_id==0)?NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG_CSET_0: NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG;
//frequencyDomainResources
uint8_t count=0, start=0, start_set=0;
uint64_t bitmap = coreset->frequency_domain_resources;
for (int i=0; i<64; i++)
if ((bitmap>>(63-i))&1) {
count++;
if (!start_set)
start = i;
start_set = 1;
}
pdcch_params->rb_offset = 6*start;
pdcch_params->n_rb = 6*count;
//duration
pdcch_params->n_symb = coreset->duration;
//cce-REG-MappingType
pdcch_params->cr_mapping_type = coreset->cce_reg_mapping_type;
if (pdcch_params->cr_mapping_type == NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED) {
pdcch_params->reg_bundle_size = coreset->reg_bundle_size;
pdcch_params->interleaver_size = coreset->interleaver_size;
pdcch_params->shift_index = coreset->shift_index;
}
//precoderGranularity
pdcch_params->precoder_granularity = coreset->precoder_granularity;
//TCI states
// PDCCH params does not yet include information about TCI and QCL (needed for DCI 1.1 and 0.1)
//pdcch-DMRS-ScramblingID
pdcch_params->scrambling_id = coreset->dmrs_scrambling_id;
/// SearchSpace
// first symbol and duration
//AssertFatal(pdcch_scs==kHz15, "PDCCH SCS above 15kHz not allowed if a symbol above 2 is monitored");
for (int i=0; i<get_symbolsperslot(&cfg); i++)
if ((search_space->monitoring_symbols_in_slot>>(15-i))&1)
pdcch_params->first_symbol=i;
/*
//searchSpaceId
AssertFatal(search_space->search_space_id<40, "Search space index out of range %d\n", search_space->search_space_id);
//controlResourceSetId
//monitoringSlotPeriodicityAndOffset
//duration
pdcch_params->nb_ss_sets_per_slot = search_space->duration;
//monitoringSymbolsWithinSlot
pdcch_params->first_symbol = search_space->monitoring_symbols_in_slot;
//nrofCandidates
pdcch_params->aggregation_level = (uint8_t)number_of_candidates[NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS - 1];
//searchSpaceType
pdcch_params->search_space_type = search_space->search_space_type;
//Common_CSS
if (pdcch_params->search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_COMMON){
switch(search_space->css_formats_0_0_and_1_0){
case NFAPI_NR_RNTI_C:
pdcch_params->rnti_type = NFAPI_NR_RNTI_C;
break;
case NFAPI_NR_RNTI_CS:
pdcch_params->rnti_type = NFAPI_NR_RNTI_CS;
break;
case NFAPI_NR_RNTI_SP_CSI:
pdcch_params->rnti_type = NFAPI_NR_RNTI_SP_CSI;
break;
case NFAPI_NR_RNTI_RA:
pdcch_params->rnti_type = NFAPI_NR_RNTI_RA;
break;
case NFAPI_NR_RNTI_TC:
pdcch_params->rnti_type = NFAPI_NR_RNTI_TC;
break;
case NFAPI_NR_RNTI_P:
pdcch_params->rnti_type = NFAPI_NR_RNTI_P;
break;
case NFAPI_NR_RNTI_SI:
pdcch_params->rnti_type = NFAPI_NR_RNTI_SI;
break;
}
switch (search_space->css_format_2_0){
case NFAPI_NR_RNTI_SFI:
pdcch_params->rnti_type = NFAPI_NR_RNTI_SFI;
break;
}
switch (search_space->css_format_2_1){
case NFAPI_NR_RNTI_INT:
pdcch_params->rnti_type = NFAPI_NR_RNTI_INT;
break;
}
switch (search_space->css_format_2_2){
case NFAPI_NR_RNTI_TPC_PUSCH:
pdcch_params->rnti_type = NFAPI_NR_RNTI_TPC_PUSCH;
break;
case NFAPI_NR_RNTI_TPC_PUCCH:
pdcch_params->rnti_type = NFAPI_NR_RNTI_TPC_PUCCH;
break;
}
switch (search_space->css_format_2_3){
case NFAPI_NR_RNTI_TPC_SRS:
pdcch_params->rnti_type = NFAPI_NR_RNTI_TPC_SRS;
break;
}
}
//Ue_Specific_USS
if (pdcch_params->search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC){
switch (search_space->uss_dci_formats){
case NFAPI_NR_RNTI_C:
pdcch_params->rnti_type = NFAPI_NR_RNTI_C;
break;
case NFAPI_NR_RNTI_CS:
pdcch_params->rnti_type = NFAPI_NR_RNTI_CS;
break;
case NFAPI_NR_RNTI_SP_CSI:
pdcch_params->rnti_type = NFAPI_NR_RNTI_SP_CSI;
break;
}
}
*/
}
int nr_is_dci_opportunity(nfapi_nr_search_space_t search_space,
nfapi_nr_coreset_t coreset,
uint16_t frame,
uint16_t slot,
nfapi_nr_config_request_t cfg) {
AssertFatal(search_space.coreset_id==coreset.coreset_id, "Invalid association of coreset(%d) and search space(%d)\n",
search_space.search_space_id, coreset.coreset_id);
uint8_t is_dci_opportunity=0;
uint16_t Ks=search_space.slot_monitoring_periodicity;
uint16_t Os=search_space.slot_monitoring_offset;
uint8_t Ts=search_space.duration;
if (((frame*get_spf(&cfg) + slot - Os)%Ks)==Ts)
is_dci_opportunity=1;
return is_dci_opportunity;
}
int get_dlscs(nfapi_nr_config_request_t *cfg) {
@@ -363,3 +530,9 @@ int to_absslot(nfapi_nr_config_request_t *cfg,int frame,int slot) {
return(get_spf(cfg)*frame) + slot;
}
int get_symbolsperslot(nfapi_nr_config_request_t *cfg) {
return ((cfg->subframe_config.dl_cyclic_prefix_type.value==NFAPI_CP_EXTENDED)?12:14);
}
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+10 -1
View File
@@ -78,10 +78,17 @@ void nr_configure_css_dci_initial(nfapi_nr_dl_config_pdcch_parameters_rel15_t* p
uint16_t nb_slots_per_frame,
uint16_t N_RB);
int nr_is_dci_opportunity(nfapi_nr_search_space_t search_space,
nfapi_nr_coreset_t coreset,
uint16_t frame,
uint16_t slot,
nfapi_nr_config_request_t cfg);
void nr_configure_css_dci_from_pdcch_config(nfapi_nr_dl_config_pdcch_parameters_rel15_t* pdcch_params,
nfapi_nr_coreset_t* coreset,
nfapi_nr_search_space_t* search_space);
nfapi_nr_search_space_t* search_space,
nfapi_nr_config_request_t cfg,
uint8_t pdcch_scs);
int get_dlscs(nfapi_nr_config_request_t *cfg);
@@ -91,4 +98,6 @@ int get_spf(nfapi_nr_config_request_t *cfg);
int to_absslot(nfapi_nr_config_request_t *cfg,int frame,int slot);
int get_symbolsperslot(nfapi_nr_config_request_t *cfg);
#endif /*__LAYER2_NR_MAC_PROTO_H__*/