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Commit c8afb25d authored by francescomani's avatar francescomani
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moving generation of precoding matrices at MAC and trying to adapt to SCF (1st version)

parent 7514bb91
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common/utils/nr/nr_common.h
View file @ c8afb25d
......@@ -76,6 +76,8 @@ static inline const char *rnti_types(nr_rnti_type_t rr)
}
#undef R
#define NR_MAX_NB_LAYERS 4 // 8
typedef enum {
nr_FR1 = 0,
nr_FR2
......
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
View file @ c8afb25d
......@@ -74,17 +74,17 @@ typedef enum {
NFAPI_NR_PHY_MSG_TYPE_RACH_INDICATION= 0X89,
//RESERVED 0X8a ~ 0xff
NFAPI_NR_PHY_MSG_TYPE_PNF_PARAM_REQUEST = 0x0100,
NFAPI_NR_PHY_MSG_TYPE_PNF_PARAM_RESPONSE = 0x0101,
NFAPI_NR_PHY_MSG_TYPE_PNF_CONFIG_REQUEST= 0x0102,
NFAPI_NR_PHY_MSG_TYPE_PNF_CONFIG_RESPONSE= 0x0103,
NFAPI_NR_PHY_MSG_TYPE_PNF_START_REQUEST= 0x0104,
NFAPI_NR_PHY_MSG_TYPE_PNF_START_RESPONSE= 0x0105,
NFAPI_NR_PHY_MSG_TYPE_PNF_STOP_REQUEST= 0x0106,
NFAPI_NR_PHY_MSG_TYPE_PNF_STOP_RESPONSE= 0x0107,
NFAPI_NR_PHY_MSG_TYPE_PNF_PARAM_RESPONSE = 0x0101,
NFAPI_NR_PHY_MSG_TYPE_PNF_CONFIG_REQUEST= 0x0102,
NFAPI_NR_PHY_MSG_TYPE_PNF_CONFIG_RESPONSE= 0x0103,
NFAPI_NR_PHY_MSG_TYPE_PNF_START_REQUEST= 0x0104,
NFAPI_NR_PHY_MSG_TYPE_PNF_START_RESPONSE= 0x0105,
NFAPI_NR_PHY_MSG_TYPE_PNF_STOP_REQUEST= 0x0106,
NFAPI_NR_PHY_MSG_TYPE_PNF_STOP_RESPONSE= 0x0107,
NFAPI_NR_PHY_MSG_TYPE_UL_NODE_SYNC = 0x0180,
NFAPI_NR_PHY_MSG_TYPE_DL_NODE_SYNC,
NFAPI_NR_PHY_MSG_TYPE_TIMING_INFO
NFAPI_NR_PHY_MSG_TYPE_DL_NODE_SYNC,
NFAPI_NR_PHY_MSG_TYPE_TIMING_INFO
} nfapi_nr_phy_msg_type_e;
// SCF222_5G-FAPI_PHY_SPI_Specificayion.pdf Section 3.3
......@@ -449,6 +449,26 @@ typedef struct
} nfapi_nr_measurement_config_t;
// Table 3–62 Precoding matrix (PM) PDU (v.222.10.04)
typedef struct {
int16_t precoder_weight_Re;
int16_t precoder_weight_Im;
} nfapi_nr_pm_weights_t;
typedef struct {
uint16_t pm_idx;
uint16_t numLayers;
uint16_t num_ant_ports;
nfapi_nr_pm_weights_t weights[4][4]; // TODO temporary hardcoding
} nfapi_nr_pm_pdu_t;
typedef struct {
uint16_t num_pm_idx;
nfapi_nr_pm_pdu_t *pmi_pdu;
} nfapi_nr_pm_list_t;
// ERROR enums
typedef enum { // Table 2-22
NFAPI_NR_PARAM_MSG_OK = 0,
......@@ -560,6 +580,7 @@ typedef struct {
nfapi_nr_tdd_table_t tdd_table;
nfapi_nr_measurement_config_t measurement_config;
nfapi_nr_nfapi_t nfapi_config;
nfapi_nr_pm_list_t pmi_list;
} nfapi_nr_config_request_scf_t;
......@@ -592,24 +613,24 @@ typedef struct {
//3.3.4 STOP
typedef struct {
nfapi_p4_p5_message_header_t header;
nfapi_vendor_extension_tlv_t vendor_extension;
nfapi_p4_p5_message_header_t header;
nfapi_vendor_extension_tlv_t vendor_extension;
} nfapi_nr_stop_request_t;
typedef struct {
nfapi_p4_p5_message_header_t header;
nfapi_vendor_extension_tlv_t vendor_extension;
nfapi_p4_p5_message_header_t header;
nfapi_vendor_extension_tlv_t vendor_extension;
} nfapi_nr_stop_indication_t;
typedef enum {
NFAPI_NR_STOP_MSG_INVALID_STATE
NFAPI_NR_STOP_MSG_INVALID_STATE
} nfapi_nr_stop_errors_e;
//3.3.5 PHY Notifications
typedef enum {
NFAPI_NR_PHY_API_MSG_OK =0x0,
NFAPI_NR_PHY_API_MSG_INVALID_STATE =0x1,
NFAPI_NR_PHY_API_MSG_INVALID_STATE =0x1,
NFAPI_NR_PHY_API_MSG_INVALID_CONFIG =0x2,
NFAPI_NR_PHY_API_SFN_OUT_OF_SYNC =0X3,
NFAPI_NR_PHY_API_MSG_SLOR_ERR =0X4,
......@@ -620,7 +641,7 @@ typedef enum {
} nfapi_nr_phy_notifications_errors_e;
typedef struct {
uint16_t sfn; //0~1023
uint16_t sfn; //0~1023
uint16_t slot;//0~319
nfapi_nr_phy_msg_type_e msg_id;//Indicate which message received by the PHY has an error. Values taken from Table 3-4.
nfapi_nr_phy_notifications_errors_e error_code;
......@@ -632,42 +653,22 @@ typedef struct {
//table 3-32
//?
typedef struct {
uint16_t beam_idx; //0~65535
uint16_t beam_idx; //0~65535
} nfapi_nr_dig_beam_t;
typedef struct {
uint16_t dig_beam_weight_Re;
uint16_t dig_beam_weight_Re;
uint16_t dig_beam_weight_Im;
} nfapi_nr_txru_t;
typedef struct {
uint16_t num_dig_beams; //0~65535
uint16_t num_dig_beams; //0~65535
uint16_t num_txrus; //0~65535
nfapi_nr_dig_beam_t* dig_beam_list;
nfapi_nr_txru_t* txru_list;
} nfapi_nr_dbt_pdu_t;
//table 3-33
//?
typedef struct {
uint16_t num_ant_ports;
int16_t precoder_weight_Re;
int16_t precoder_weight_Im;
} nfapi_nr_num_ant_ports_t;
typedef struct {
uint16_t numLayers; //0~65535
nfapi_nr_num_ant_ports_t* num_ant_ports_list;
} nfapi_nr_num_layers_t;
typedef struct {
uint16_t pm_idx; //0~65535
nfapi_nr_num_layers_t* num_layers_list; //0~65535
//nfapi_nr_num_ant_ports_t* num_ant_ports_list;
} nfapi_nr_pm_pdu_t;
// Section 3.4
// Section 3.4.1 slot indication
......@@ -678,7 +679,7 @@ typedef struct {
typedef struct {
nfapi_p7_message_header_t header;
uint16_t sfn; //0->1023
uint16_t sfn; //0->1023
uint16_t slot;//0->319
} nfapi_nr_slot_indication_scf_t;
......@@ -1441,7 +1442,7 @@ typedef struct {
//3.4.5 slot_errors
typedef enum {
NFAPI_NR_SLOT_UL_TTI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_UL_TTI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_UL_TTI_SFN_OUT_OF_SYNC,
NFAPI_NR_SLOT_UL_TTI_MSG_BCH_MISSING,
NFAPI_NR_SLOT_UL_TTI_MSG_SLOT_ERR
......@@ -1449,14 +1450,14 @@ typedef enum {
} nfapi_nr_slot_errors_ul_tti_e;
typedef enum {
NFAPI_NR_SLOT_DL_TTI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_DL_TTI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_DL_TTI_MSG_SLOT_ERR
} nfapi_nr_slot_errors_dl_tti_e;
typedef enum {
NFAPI_NR_SLOT_UL_DCI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_UL_DCI_MSG_INVALID_STATE,
NFAPI_NR_SLOT_UL_DCI_MSG_INVALID_SFN,
NFAPI_NR_SLOT_UL_DCI_MSG_UL_DCI_ERR
......
openair1/PHY/INIT/nr_init.c
View file @ c8afb25d
This diff is collapsed.
openair1/PHY/MODULATION/nr_modulation.c
View file @ c8afb25d
......@@ -703,13 +703,17 @@ c16_t nr_layer_precoder_cm(int n_layers,
int n_symbols,
int symSz,
c16_t datatx_F_precoding[n_layers][n_symbols][symSz],
c16_t *prec_matrix,
int ap,
nfapi_nr_pm_pdu_t *pmi_pdu,
int symbol,
int offset)
{
c16_t precodatatx_F = {0};
for (int al = 0; al < n_layers; al++)
precodatatx_F = c16maddShift(datatx_F_precoding[al][symbol][offset], prec_matrix[al], precodatatx_F, 15);
for (int al = 0; al < n_layers; al++) {
nfapi_nr_pm_weights_t *w = &pmi_pdu->weights[al][ap];
c16_t prec_weight = {.r = w->precoder_weight_Re, .i = w->precoder_weight_Im};
precodatatx_F = c16maddShift(datatx_F_precoding[al][symbol][offset], prec_weight, precodatatx_F, 15);
}
return precodatatx_F;
}
......@@ -717,69 +721,77 @@ void nr_layer_precoder_simd(const int n_layers,
const int n_symbols,
const int symSz,
const c16_t txdataF_res_mapped[n_layers][n_symbols][symSz],
const c16_t prec_matrix[n_layers],
const int ant,
const nfapi_nr_pm_pdu_t *pmi_pdu,
const int symbol,
const int sc_offset,
const int re_cnt,
c16_t *txdataF_precoded)
{
uint32_t sc = sc_offset;
c16_t prec_weight = {0};
// For x86, use 256 SIMD for every 8 RE and 128 SIMD for last 4 RE
// For aarch64, use 128 SIMD for every 4 RE
// 256 SIMD: Do 8 RE in one iteration, 3 iterations for 2 RB
#ifdef __AVX2__
const uint32_t re_cnt_align8 = re_cnt & ~7;
for(; sc<sc_offset+(re_cnt_align8); sc+=sizeof(simde__m256i)/sizeof(*prec_matrix)){
// Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8)
simde__m256i y = simde_mm256_set1_epi16(0); // Y = W[0]*X[0] + W[1]*X[1] + ... + W[nrOfLayers-1]*X[nrOfLayers-1]
for(int nl=0; nl<n_layers; nl++){
const simde__m256i x = simde_mm256_loadu_epi32(&txdataF_res_mapped[nl][symbol][sc]);
// Rearrange precoding matrix weight to match complex multiplication and broadcast it to match SIMD size
const simde__m256i w_c = simde_mm256_set1_epi32(c16toI32(c16conj(prec_matrix[nl]))); // broadcast conjugate of w
const simde__m256i w_s = simde_mm256_set1_epi32(c16toI32(c16swap(prec_matrix[nl]))); // broadcast swapped real and img of w
// Multiplication and shift
const simde__m256i reals = simde_mm256_srai_epi32(simde_mm256_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15
const simde__m256i imags = simde_mm256_slli_epi32(simde_mm256_madd_epi16(x, w_s), 1); // (int32_t) .i = (x.r * w.i + x.i * w.r) << 1, since higher 16 bit of each 32 bit is taken by blend_epi16
// Re-arrange to match c16_t format
const simde__m256i produ = simde_mm256_blend_epi16(reals, imags, 0xAA);
// Accumulate the product
y = simde_mm256_adds_epi16(y, produ);
}
// Store the result to txdataF
simde_mm256_storeu_si256(&txdataF_precoded[sc], y);
#ifdef __AVX2__
const uint32_t re_cnt_align8 = re_cnt & ~7;
for(; sc < sc_offset + (re_cnt_align8); sc += sizeof(simde__m256i) / sizeof(prec_weight)) {
// Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8)
simde__m256i y = simde_mm256_set1_epi16(0); // Y = W[0]*X[0] + W[1]*X[1] + ... + W[nrOfLayers-1]*X[nrOfLayers-1]
for(int nl = 0; nl < n_layers; nl++) {
prec_weight.r = pmi_pdu->weights[nl][ant].precoder_weight_Re;
prec_weight.i = pmi_pdu->weights[nl][ant].precoder_weight_Im;
const simde__m256i x = simde_mm256_loadu_epi32(&txdataF_res_mapped[nl][symbol][sc]);
// Rearrange precoding matrix weight to match complex multiplication and broadcast it to match SIMD size
const simde__m256i w_c = simde_mm256_set1_epi32(c16toI32(c16conj(prec_weight))); // broadcast conjugate of w
const simde__m256i w_s = simde_mm256_set1_epi32(c16toI32(c16swap(prec_weight))); // broadcast swapped real and img of w
// Multiplication and shift
const simde__m256i reals = simde_mm256_srai_epi32(simde_mm256_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15
const simde__m256i imags = simde_mm256_slli_epi32(simde_mm256_madd_epi16(x, w_s), 1); // (int32_t) .i = (x.r * w.i + x.i * w.r) << 1, since higher 16 bit of each 32 bit is taken by blend_epi16
// Re-arrange to match c16_t format
const simde__m256i produ = simde_mm256_blend_epi16(reals, imags, 0xAA);
// Accumulate the product
y = simde_mm256_adds_epi16(y, produ);
}
#endif
// Store the result to txdataF
simde_mm256_storeu_si256(&txdataF_precoded[sc], y);
}
#endif
// 128 SIMD: Do 4 RE in one iteration, 3 iterations for 1 RB
const uint32_t re_cnt_align4 = re_cnt & ~3;
for(; sc<sc_offset+re_cnt_align4; sc+=sizeof(simde__m128i)/sizeof(*prec_matrix)){
for(; sc < sc_offset+re_cnt_align4; sc += sizeof(simde__m128i) / sizeof(prec_weight)) {
#ifdef DEBUG_DLSCH_PRECODING_PRINT_WITH_TRIVIAL // Get result with trivial solution, TODO: To be removed
c16_t y_triv[4];
for(int i=0; i<4; i++)
for(int i = 0; i < 4; i++)
y_triv[i] = nr_layer_precoder_cm(n_layers,
NR_SYMBOLS_PER_SLOT,
symSz,
txdataF_res_mapped,
prec_matrix,
symbol,
sc + i);
NR_SYMBOLS_PER_SLOT,
symSz,
txdataF_res_mapped,
ant,
pmi_pdu,
symbol,
sc + i);
memcpy(&txdataF_precoded[sc], y_triv, sizeof(y_triv));
#endif
// Matrix multiplication for 4 elements of the result (sizeof(simde__m128i) / sizeof(c16_t) = 4)
simde__m128i y = simde_mm_set1_epi16(0); // Y = W[0]*X[0] + W[1]*X[1] + ... + W[nrOfLayers-1]*X[nrOfLayers-1]
for(int nl=0; nl<n_layers; nl++){
for(int nl = 0; nl < n_layers; nl++) {
prec_weight.r = pmi_pdu->weights[nl][ant].precoder_weight_Re;
prec_weight.i = pmi_pdu->weights[nl][ant].precoder_weight_Im;
const simde__m128i x = simde_mm_loadu_epi32(&txdataF_res_mapped[nl][symbol][sc]);
// Rearrange precoding matrix weight to match complex multiplication and broadcast it to match SIMD size
const simde__m128i w_c = simde_mm_set1_epi32(c16toI32(c16conj(prec_matrix[nl]))); // broadcast conjugate of w
const simde__m128i w_s = simde_mm_set1_epi32(c16toI32(c16swap(prec_matrix[nl]))); // broadcast swapped real and img of w
const simde__m128i w_c = simde_mm_set1_epi32(c16toI32(c16conj(prec_weight))); // broadcast conjugate of w
const simde__m128i w_s = simde_mm_set1_epi32(c16toI32(c16swap(prec_weight))); // broadcast swapped real and img of w
// Multiplication and shift
const simde__m128i reals = simde_mm_srai_epi32(simde_mm_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15
......
openair1/PHY/MODULATION/nr_modulation.h
View file @ c8afb25d
......@@ -138,11 +138,13 @@ void apply_nr_rotation_RX(NR_DL_FRAME_PARMS *frame_parms,
@param[in] n_layers, number of DLSCH layers
*/
int nr_layer_precoder(int16_t **datatx_F_precoding, const char *prec_matrix, uint8_t n_layers, int32_t re_offset);
c16_t nr_layer_precoder_cm(int n_layers,
int n_symbols,
int symSz,
c16_t datatx_F_precoding[n_layers][n_symbols][symSz],
c16_t *prec_matrix,
int ap,
nfapi_nr_pm_pdu_t *pmi_pdu,
int symbol,
int offset);
......@@ -156,7 +158,8 @@ void nr_layer_precoder_simd(const int n_layers,
const int n_symbols,
const int symSz,
const c16_t txdataF_res_mapped[n_layers][n_symbols][symSz],
const c16_t prec_matrix[n_layers],
const int ant,
const nfapi_nr_pm_pdu_t *pmi_pdu,
const int symbol,
const int sc_offset,
const int re_cnt,
......
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @ c8afb25d
......@@ -535,58 +535,52 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx, int frame, int slot)
}
}
else { // non-unitary Precoding
if(frame_parms->nb_antennas_tx == 1){ // no precoding matrix defined
memcpy(&txdataF[ant][txdataF_offset_per_symbol + subCarrier],
&txdataF_precoding[ant][l_symbol][subCarrier],
re_cnt * sizeof(**txdataF));
AssertFatal(frame_parms->nb_antennas_tx > 1, "No precoding can be done with a single antenna port\n");
//get the precoding matrix weights:
nfapi_nr_pm_pdu_t *pmi_pdu = &gNB->gNB_config.pmi_list.pmi_pdu[pmi - 1]; // pmi 0 is identity matrix
AssertFatal(pmi == pmi_pdu->pm_idx, "PMI %d doesn't match to the one in precoding matrix %d\n",
pmi, pmi_pdu->pm_idx);
AssertFatal(ant < pmi_pdu->num_ant_ports, "Antenna port index %d exceeds precoding matrix AP size %d\n",
ant, pmi_pdu->num_ant_ports);
AssertFatal(rel15->nrOfLayers == pmi_pdu->numLayers, "Number of layers %d doesn't match to the one in precoding matrix %d\n",
rel15->nrOfLayers, pmi_pdu->numLayers);
if((subCarrier + re_cnt) < frame_parms->ofdm_symbol_size){ // within ofdm_symbol_size, use SIMDe
nr_layer_precoder_simd(rel15->nrOfLayers,
NR_SYMBOLS_PER_SLOT,
frame_parms->ofdm_symbol_size,
txdataF_precoding,
ant,
pmi_pdu,
l_symbol,
subCarrier,
re_cnt,
&txdataF[ant][txdataF_offset_per_symbol]);
subCarrier += re_cnt;
if (subCarrier >= frame_parms->ofdm_symbol_size) {
subCarrier -= frame_parms->ofdm_symbol_size;
}
}
else { // precoding with more than 1 tx
//get the precoding matrix weights:
c16_t **mat = (c16_t**)gNB->nr_mimo_precoding_matrix[rel15->nrOfLayers - 1];
//i_row =0,...,dl_antenna_port
//j_col =0,...,nrOfLayers
//mat[pmi][i_rows*2+j_col]
c16_t *W_prec = &mat[pmi][ant * rel15->nrOfLayers];
if((subCarrier + re_cnt) < frame_parms->ofdm_symbol_size){ // within ofdm_symbol_size, use SIMDe
nr_layer_precoder_simd(rel15->nrOfLayers,
NR_SYMBOLS_PER_SLOT,
frame_parms->ofdm_symbol_size,
txdataF_precoding,
W_prec,
l_symbol,
subCarrier,
re_cnt,
&txdataF[ant][txdataF_offset_per_symbol]);
subCarrier += re_cnt;
}
else{ // crossing ofdm_symbol_size, use simple arithmetic operations
for (int i = 0; i < re_cnt; i++) {
txdataF[ant][txdataF_offset_per_symbol + subCarrier] =
nr_layer_precoder_cm(rel15->nrOfLayers,
NR_SYMBOLS_PER_SLOT,
frame_parms->ofdm_symbol_size,
txdataF_precoding,
W_prec,
l_symbol,
subCarrier);
else{ // crossing ofdm_symbol_size, use simple arithmetic operations
for (int i = 0; i < re_cnt; i++) {
txdataF[ant][txdataF_offset_per_symbol + subCarrier] =
nr_layer_precoder_cm(rel15->nrOfLayers,
NR_SYMBOLS_PER_SLOT,
frame_parms->ofdm_symbol_size,
txdataF_precoding,
ant,
pmi_pdu,
l_symbol,
subCarrier);
#ifdef DEBUG_DLSCH_MAPPING
printf("antenna %d\t l %d \t subCarrier %d \t txdataF: %d %d\n",
ant,
symbol,
subCarrier,
txdataF[ant][l_symbol * frame_parms->ofdm_symbol_size + subCarrier + txdataF_offset].r,
txdataF[ant][l_symbol * frame_parms->ofdm_symbol_size + subCarrier + txdataF_offset].i);
printf("antenna %d\t l %d \t subCarrier %d \t txdataF: %d %d\n",
ant,
symbol,
subCarrier,
txdataF[ant][l_symbol * frame_parms->ofdm_symbol_size + subCarrier + txdataF_offset].r,
txdataF[ant][l_symbol * frame_parms->ofdm_symbol_size + subCarrier + txdataF_offset].i);
#endif
if (++subCarrier >= frame_parms->ofdm_symbol_size) {
subCarrier -= frame_parms->ofdm_symbol_size;
}
if (++subCarrier >= frame_parms->ofdm_symbol_size) {
subCarrier -= frame_parms->ofdm_symbol_size;
}
} // else{ // crossing ofdm_symbol_size, use simple arithmetic operations
} // else { // precoding with more than 1 tx
}
} // else{ // crossing ofdm_symbol_size, use simple arithmetic operations
} // else { // non-unitary Precoding
rb += rb_step;
......
openair1/PHY/defs_gNB.h
View file @ c8afb25d
......@@ -619,13 +619,6 @@ typedef struct PHY_VARS_gNB_s {
/// PDSCH DMRS sequence
uint32_t ****nr_gold_pdsch_dmrs;
/// PDSCH codebook I precoding LUTs
/// first dimension: Rank number [0,...,noOfLayers-1[
/// second dimension: PMI [0,...,CodeSize-1[
/// third dimension: [i_rows*noOfLayers+j_col], i_rows=0,...pdsch_AntennaPorts-1 and j_col=0,...,noOfLayers-1
int32_t ***nr_mimo_precoding_matrix;
int pmiq_size[NR_MAX_NB_LAYERS];
/// PUSCH DMRS
uint32_t ****nr_gold_pusch_dmrs;
......
openair1/PHY/defs_nr_common.h
View file @ c8afb25d
......@@ -79,7 +79,6 @@
#define NR_MAX_PDCCH_AGG_LEVEL 16 // 3GPP TS 38.211 V15.8 Section 7.3.2 Table 7.3.2.1-1: Supported PDCCH aggregation levels
#define NR_MAX_NB_LAYERS 4 // 8
#define NR_MAX_NB_PORTS 32
#define NR_MAX_PDSCH_TBS 3824
......
openair1/SIMULATION/NR_PHY/dlsim.c
View file @ c8afb25d
......@@ -223,35 +223,21 @@ nrUE_params_t *get_nrUE_params(void) {
}
void validate_input_pmi(nr_pdsch_AntennaPorts_t pdsch_AntennaPorts, int nrOfLayers, int pmi)
void validate_input_pmi(nfapi_nr_config_request_scf_t *gNB_config,
nr_pdsch_AntennaPorts_t pdsch_AntennaPorts,
int nrOfLayers,
int pmi)
{
if (pmi == 0)
return;
nfapi_nr_pm_pdu_t *pmi_pdu = &gNB_config->pmi_list.pmi_pdu[pmi - 1]; // pmi 0 is identity matrix
AssertFatal(pmi == pmi_pdu->pm_idx, "PMI %d doesn't match to the one in precoding matrix %d\n", pmi, pmi_pdu->pm_idx);
AssertFatal(nrOfLayers == pmi_pdu->numLayers, "Number of layers %d doesn't match to the one in precoding matrix %d for PMI %d\n",
nrOfLayers, pmi_pdu->numLayers, pmi);
int num_antenna_ports = pdsch_AntennaPorts.N1 * pdsch_AntennaPorts.N2 * pdsch_AntennaPorts.XP;
int N1 = pdsch_AntennaPorts.N1;
int N2 = pdsch_AntennaPorts.N2;
int O1 = N1 > 1 ? 4 : 1;
int O2 = N2 > 1 ? 4 : 1;
int K1, K2;
if (num_antenna_ports > 2)
get_K1_K2(N1, N2, &K1, &K2);
else {
K1 = 1; K2 = 1;
}
int num_pmi = 1; // pmi = 0 is the identity matrix
switch (nrOfLayers) {
case 1 :
num_pmi += N1 * O1 * N2 * O2 * 4;
AssertFatal(pmi < num_pmi, "Input PMI index %d exceeds the limit of configured matrices %d for %d layers\n", pmi, num_pmi, nrOfLayers);
return;
case 2 :
num_pmi += N1 * O1 * N2 * O2 * K1 * K2 * 2;
AssertFatal(pmi < num_pmi, "Input PMI index %d exceeds the limit of conigured matrices %d for %d layers\n", pmi, num_pmi, nrOfLayers);
break;
default :
AssertFatal(false, "Precoding with more than 2 nrOfLayers not yet supported\n");
}
AssertFatal(num_antenna_ports == pmi_pdu->num_ant_ports, "Configured antenna ports %d does not match precoding matrix AP size %d for PMI %d\n",
num_antenna_ports, pmi_pdu->num_ant_ports, pmi);
}
......@@ -709,7 +695,7 @@ int main(int argc, char **argv)
gNB->ap_N2 = pdsch_AntennaPorts.N2;
gNB->ap_XP = pdsch_AntennaPorts.XP;
validate_input_pmi(pdsch_AntennaPorts, g_nrOfLayers, g_pmi);
validate_input_pmi(&gNB_mac->config[0], pdsch_AntennaPorts, g_nrOfLayers, g_pmi);
NR_UE_NR_Capability_t* UE_Capability_nr = CALLOC(1,sizeof(NR_UE_NR_Capability_t));
prepare_sim_uecap(UE_Capability_nr,scc,mu,
......
openair2/LAYER2/NR_MAC_gNB/config.c
View file @ c8afb25d
This diff is collapsed.
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ c8afb25d
......@@ -668,8 +668,7 @@ static void pf_dl(module_id_t module_id,
else
sched_pdsch->mcs = get_mcs_from_bler(bo, stats, &sched_ctrl->dl_bler_stats, max_mcs, frame);
sched_pdsch->nrOfLayers = get_dl_nrOfLayers(sched_ctrl, current_BWP->dci_format);
sched_pdsch->pm_index =
mac->identity_pm ? 0 : get_pm_index(UE, sched_pdsch->nrOfLayers, mac->radio_config.pdsch_AntennaPorts.XP);
sched_pdsch->pm_index = mac->identity_pm ? 0 : get_pm_index(mac, UE, sched_pdsch->nrOfLayers, mac->radio_config.pdsch_AntennaPorts.XP);
const uint8_t Qm = nr_get_Qm_dl(sched_pdsch->mcs, current_BWP->mcsTableIdx);
const uint16_t R = nr_get_code_rate_dl(sched_pdsch->mcs, current_BWP->mcsTableIdx);
uint32_t tbs = nr_compute_tbs(Qm,
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
View file @ c8afb25d
......@@ -129,29 +129,36 @@ uint8_t get_dl_nrOfLayers(const NR_UE_sched_ctrl_t *sched_ctrl,
}
uint16_t get_pm_index(const NR_UE_info_t *UE,
uint16_t get_pm_index(const gNB_MAC_INST *nrmac,
const NR_UE_info_t *UE,
int layers,
int xp_pdsch_antenna_ports) {
if (layers == 1) return 0;
int xp_pdsch_antenna_ports)
{
const NR_UE_sched_ctrl_t *sched_ctrl = &UE->UE_sched_ctrl;
const int report_id = sched_ctrl->CSI_report.cri_ri_li_pmi_cqi_report.csi_report_id;
const nr_csi_report_t *csi_report = &UE->csi_report_template[report_id];
const int N1 = csi_report->N1;
const int N2 = csi_report->N2;
const int antenna_ports = (N1*N2)<<1;
const int antenna_ports = (N1 * N2) << 1;
if (xp_pdsch_antenna_ports == 1 &&
antenna_ports>1)
if (xp_pdsch_antenna_ports == 1)
return 0; //identity matrix (basic 5G configuration handled by PMI report is with XP antennas)
const int x1 = sched_ctrl->CSI_report.cri_ri_li_pmi_cqi_report.pmi_x1;
const int x2 = sched_ctrl->CSI_report.cri_ri_li_pmi_cqi_report.pmi_x2;
LOG_D(NR_MAC,"PMI report: x1 %d x2 %d\n",x1,x2);
LOG_D(NR_MAC,"PMI report: x1 %d x2 %d layers: %d\n", x1, x2, layers);
int prev_layers_size = 0;
for (int i = 1; i < layers; i++)
prev_layers_size += nrmac->precoding_matrix_size[i - 1];
// need to return PM index to matrix initialized in init_DL_MIMO_codebook
// index 0 is for identity matrix
// order of matrices depends on layers to be transmitted
// elements from 1 to n for 1 layer
// elements from n+1 to m for 2 layers etc.
if (antenna_ports == 2)
return x2;
return 1 + prev_layers_size + x2; // 0 for identity matrix
else
AssertFatal(1==0,"More than 2 antenna ports not yet supported\n");
}
......
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
View file @ c8afb25d
......@@ -377,7 +377,8 @@ NR_pdsch_dmrs_t get_dl_dmrs_params(const NR_ServingCellConfigCommon_t *scc,
const NR_tda_info_t *tda_info,
const int Layers);
uint16_t get_pm_index(const NR_UE_info_t *UE,
uint16_t get_pm_index(const gNB_MAC_INST *nrmac,
const NR_UE_info_t *UE,
int layers,
int xp_pdsch_antenna_ports);
......
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
View file @ c8afb25d
......@@ -852,6 +852,7 @@ typedef struct gNB_MAC_INST_s {
uint8_t min_grant_prb;
uint8_t min_grant_mcs;
bool identity_pm;
int precoding_matrix_size[NR_MAX_NB_LAYERS];
nr_mac_rrc_ul_if_t mac_rrc;
f1_config_t f1_config;
......
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