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function to handle antenna port tables

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This commit is contained in:
francescomani
2025-03-03 17:00:26 +01:00
parent cf9b19a855
commit 9c16a323fe
4 changed files with 59 additions and 62 deletions
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openair2/LAYER2/NR_MAC_UE/mac_extern.h
-7
View File
@@ -46,13 +46,6 @@ extern const uint8_t table_7_3_1_1_2_20[28][3];
extern const uint8_t table_7_3_1_1_2_21[19][4];
extern const uint8_t table_7_3_1_1_2_22[6][5];
extern const uint8_t table_7_3_1_1_2_23[5][6];
extern const uint8_t table_7_3_2_3_3_1[12][5];
extern const uint8_t table_7_3_2_3_3_2_oneCodeword[31][10];
extern const uint8_t table_7_3_2_3_3_2_twoCodeword[4][10];
extern const uint8_t table_7_3_2_3_3_3_oneCodeword[24][7];
extern const uint8_t table_7_3_2_3_3_3_twoCodeword[2][7];
extern const uint8_t table_7_3_2_3_3_4_oneCodeword[58][14];
extern const uint8_t table_7_3_2_3_3_4_twoCodeword[6][14];
extern const uint16_t table_7_2_1[16];
openair2/LAYER2/NR_MAC_UE/mac_proto.h
+1 -1
View File
@@ -262,7 +262,7 @@ float nr_get_Pcmax(int p_Max,
int start_prb);
float nr_get_Pcmin(int bandwidth_index);
void set_antenna_port_parameters(fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_pdu, int n_cw, long *max_length, long *dmrs, int ant);
int get_sum_delta_pucch(NR_UE_MAC_INST_t *mac, int slot, frame_t frame);
/* Random Access */
openair2/LAYER2/NR_MAC_UE/mac_vars.c
+56
View File
@@ -31,6 +31,7 @@
*/
#include <stdint.h>
#include "NR_MAC_UE/mac_proto.h"
// table_7_3_1_1_2_2_3_4_5 contains values for number of layers and precoding information for tables 7.3.1.1.2-2/3/4/5 from TS 38.212 subclause 7.3.1.1.2
// the first 6 columns contain table 7.3.1.1.2-2: Precoding information and number of layers, for 4 antenna ports, if transformPrecoder=disabled and maxRank = 2 or 3 or 4
@@ -428,3 +429,58 @@ const uint16_t table_7_2_1[16] = {
960, // row index 12
1920, // row index 13
};
static inline uint16_t packBits(const uint8_t *toPack, const int nb)
{
int res = 0;
for (int i = 0; i < nb; i++)
res += (*toPack++) << i;
return res;
}
void set_antenna_port_parameters(fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_pdu, int n_cw, long *max_length, long *dmrs, int ant)
{
if (dmrs == NULL) {
if (max_length == NULL) {
// Table 7.3.1.2.2-1: Antenna port(s) (1000 + DMRS port), dmrs-Type=1, maxLength=1
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_1[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_1[ant][1], 4);
} else {
// Table 7.3.1.2.2-2: Antenna port(s) (1000 + DMRS port), dmrs-Type=1, maxLength=2
if (n_cw == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_2_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_2_oneCodeword[ant][1], 8);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_2_oneCodeword[ant][9];
}
if (n_cw == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_2_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_2_twoCodeword[ant][1], 8);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_2_twoCodeword[ant][9];
}
}
} else {
if (max_length == NULL) {
// Table 7.3.1.2.2-3: Antenna port(s) (1000 + DMRS port), dmrs-Type=2, maxLength=1
if (n_cw == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_3_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_3_oneCodeword[ant][1], 6);
}
if (n_cw == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_3_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_3_twoCodeword[ant][1], 6);
}
} else {
// Table 7.3.1.2.2-4: Antenna port(s) (1000 + DMRS port), dmrs-Type=2, maxLength=2
if (n_cw == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_4_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_4_oneCodeword[ant][1], 12);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_4_oneCodeword[ant][13];
}
if (n_cw == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_4_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_4_twoCodeword[ant][1], 12);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_4_twoCodeword[ant][13];
}
}
}
}
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+2 -54
View File
@@ -972,14 +972,6 @@ static int nr_ue_process_dci_dl_10(NR_UE_MAC_INST_t *mac,
return 0;
}
static inline uint16_t packBits(const uint8_t *toPack, const int nb)
{
int res = 0;
for (int i = 0; i < nb; i++)
res += (*toPack++) << i;
return res;
}
static int nr_ue_process_dci_dl_11(NR_UE_MAC_INST_t *mac,
frame_t frame,
int slot,
@@ -1178,53 +1170,9 @@ static int nr_ue_process_dci_dl_11(NR_UE_MAC_INST_t *mac,
long *dmrs_type = dl_dmrs_config->dmrs_Type;
dlsch_pdu->n_front_load_symb = 1; // default value
const int ant = dci->antenna_ports.val;
set_antenna_port_parameters(dlsch_pdu, n_codewords, max_length, dmrs_type, dci->antenna_ports.val);
if (dmrs_type == NULL) {
if (max_length == NULL) {
// Table 7.3.1.2.2-1: Antenna port(s) (1000 + DMRS port), dmrs-Type=1, maxLength=1
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_1[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_1[ant][1], 4);
} else {
// Table 7.3.1.2.2-2: Antenna port(s) (1000 + DMRS port), dmrs-Type=1, maxLength=2
if (n_codewords == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_2_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_2_oneCodeword[ant][1], 8);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_2_oneCodeword[ant][9];
}
if (n_codewords == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_2_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_2_twoCodeword[ant][1], 8);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_2_twoCodeword[ant][9];
}
}
} else {
if (max_length == NULL) {
// Table 7.3.1.2.2-3: Antenna port(s) (1000 + DMRS port), dmrs-Type=2, maxLength=1
if (n_codewords == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_3_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_3_oneCodeword[ant][1], 6);
}
if (n_codewords == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_3_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_3_twoCodeword[ant][1], 6);
}
} else {
// Table 7.3.1.2.2-4: Antenna port(s) (1000 + DMRS port), dmrs-Type=2, maxLength=2
if (n_codewords == 1) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_4_oneCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_4_oneCodeword[ant][1], 12);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_4_oneCodeword[ant][13];
}
if (n_codewords == 2) {
dlsch_pdu->n_dmrs_cdm_groups = table_7_3_2_3_3_4_twoCodeword[ant][0];
dlsch_pdu->dmrs_ports = packBits(&table_7_3_2_3_3_4_twoCodeword[ant][1], 12);
dlsch_pdu->n_front_load_symb = table_7_3_2_3_3_4_twoCodeword[ant][13];
}
}
}
/* dmrs symbol positions*/
/* dmrs symbol positions*/
dlsch_pdu->dlDmrsSymbPos = fill_dmrs_mask(pdsch_Config,
NR_DL_DCI_FORMAT_1_1,
mac->dmrs_TypeA_Position,