Add Positioning Information Response NRPPA message encoding procedures

This commit is contained in:
Rakesh Mundlamuri
2026-01-23 17:50:39 +05:30
parent 3dcdedb3f8
commit 559e3c31de
7 changed files with 1478 additions and 0 deletions

View File

@@ -148,6 +148,289 @@ static nrppa_trp_information_resp_t fill_trp_resp(uint8_t transaction_id)
return resp;
}
static nrppa_positioning_information_resp_t fill_position_information_resp(uint16_t transaction_id)
{
nrppa_positioning_information_resp_t resp = {0};
resp.transaction_id = transaction_id;
resp.srs_configuration = calloc_or_fail(1, sizeof(*resp.srs_configuration));
nrppa_srs_carrier_list_t *srs_carrier_list = &resp.srs_configuration->srs_carrier_list;
uint32_t srs_carrier_list_len = 2;
srs_carrier_list->srs_carrier_list_length = srs_carrier_list_len;
srs_carrier_list->srs_carrier_list_item = calloc_or_fail(srs_carrier_list_len, sizeof(*srs_carrier_list->srs_carrier_list_item));
for (int i = 0; i < srs_carrier_list_len; i++) {
nrppa_srs_carrier_list_item_t *srs_carrier_list_item = &srs_carrier_list->srs_carrier_list_item[i];
// pointA
srs_carrier_list_item->pointA = 87641 + i;
// Uplink Channel BW-PerSCS-List
nrppa_uplink_channel_bw_per_scs_list_t *uplink_channel_bw_per_scs_list = &srs_carrier_list_item->uplink_channel_bw_per_scs_list;
uint32_t scs_specific_carrier_list_length = 3;
uplink_channel_bw_per_scs_list->scs_specific_carrier_list_length = scs_specific_carrier_list_length;
uplink_channel_bw_per_scs_list->scs_specific_carrier =
calloc_or_fail(scs_specific_carrier_list_length, sizeof(*uplink_channel_bw_per_scs_list->scs_specific_carrier));
for (int j = 0; j < scs_specific_carrier_list_length; j++) {
nrppa_scs_specific_carrier_t *scs_specific_carrier = &uplink_channel_bw_per_scs_list->scs_specific_carrier[j];
// offset to carrier
scs_specific_carrier->offset_to_carrier = 100 + i + j;
// subcarrier spacing
scs_specific_carrier->subcarrier_spacing = NRPPA_SUBCARRIER_SPACING_30KHZ;
// carrier bandwidth
scs_specific_carrier->carrier_bandwidth = 106 + i + j;
}
// Active UL BWP
nrppa_active_ul_bwp_t *active_ul_bwp = &srs_carrier_list_item->active_ul_bwp;
// location and bandwidth
active_ul_bwp->location_and_bandwidth = 2775 + i;
// subcarrier spacing
active_ul_bwp->subcarrier_spacing = NRPPA_SUBCARRIER_SPACING_30KHZ;
// cyclic prefix
active_ul_bwp->cyclic_prefix = NRPPA_CP_TYPE_NORMAL;
// Tx Direct Current Location
active_ul_bwp->tx_direct_current_location = 10 + i;
// SRS Config
nrppa_srs_config_t *sRSConfig = &active_ul_bwp->srs_config;
// srs_resource_list
sRSConfig->srs_resource_list = calloc_or_fail(1, sizeof(*sRSConfig->srs_resource_list));
nrppa_srs_resource_list_t *srs_resource_list = sRSConfig->srs_resource_list;
uint32_t srs_resource_list_length = 3;
srs_resource_list->srs_resource_list_length = srs_resource_list_length;
srs_resource_list->srs_resource = calloc_or_fail(srs_resource_list_length, sizeof(*srs_resource_list->srs_resource));
// SRS resource config 1 : periodic
nrppa_srs_resource_t *srs_resource = &srs_resource_list->srs_resource[0];
srs_resource->srs_resource_id = 22;
srs_resource->nr_of_srs_ports = NRPPA_SRS_NUMBER_OF_PORTS_N2;
srs_resource->transmission_comb.present = NRPPA_TRANSMISSION_COMB_PR_N2;
srs_resource->transmission_comb.choice.n2.comb_offset_n2 = 1;
srs_resource->transmission_comb.choice.n2.cyclic_shift_n2 = 3;
srs_resource->start_position = 8;
srs_resource->nr_of_symbols = NRPPA_SRS_NUMBER_OF_SYMBOLS_N4;
srs_resource->repetition_factor = NRPPA_SRS_REPETITION_FACTOR_RF2;
srs_resource->freq_domain_position = 32;
srs_resource->freq_domain_shift = 108;
srs_resource->c_srs = 31;
srs_resource->b_srs = 1;
srs_resource->b_hop = 3;
srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_GROUPHOPPING;
srs_resource->resource_type.present = NRPPA_RESOURCE_TYPE_PR_PERIODIC;
nrppa_resource_type_periodic_t *periodic = &srs_resource->resource_type.choice.periodic;
periodic->periodicity = NRPPA_SRS_RESOURCE_TYPE_PERIODICITY_SLOT16;
periodic->offset = 1000;
srs_resource->sequence_id = 18;
// SRS resource config 2 : semi-persistent
srs_resource = &srs_resource_list->srs_resource[1];
srs_resource->srs_resource_id = 24;
srs_resource->nr_of_srs_ports = NRPPA_SRS_NUMBER_OF_PORTS_N4;
srs_resource->transmission_comb.present = NRPPA_TRANSMISSION_COMB_PR_N4;
srs_resource->transmission_comb.choice.n2.comb_offset_n2 = 3;
srs_resource->transmission_comb.choice.n2.cyclic_shift_n2 = 5;
srs_resource->start_position = 8;
srs_resource->nr_of_symbols = NRPPA_SRS_NUMBER_OF_SYMBOLS_N2;
srs_resource->repetition_factor = NRPPA_SRS_REPETITION_FACTOR_RF2;
srs_resource->freq_domain_position = 32;
srs_resource->freq_domain_shift = 108;
srs_resource->c_srs = 31;
srs_resource->b_srs = 1;
srs_resource->b_hop = 3;
srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_GROUPHOPPING;
srs_resource->resource_type.present = NRPPA_RESOURCE_TYPE_PR_SEMI_PERSISTENT;
srs_resource->resource_type.present = NRPPA_RESOURCE_TYPE_PR_SEMI_PERSISTENT;
nrppa_resource_type_semi_persistent_t *semi_persistent = &srs_resource->resource_type.choice.semi_persistent;
semi_persistent->periodicity = NRPPA_SRS_RESOURCE_TYPE_PERIODICITY_SLOT40;
semi_persistent->offset = 1000;
srs_resource->sequence_id = 12;
// SRS resource config 2 : aperiodic
srs_resource = &srs_resource_list->srs_resource[2];
srs_resource->srs_resource_id = 26;
srs_resource->nr_of_srs_ports = NRPPA_SRS_NUMBER_OF_PORTS_N2;
srs_resource->transmission_comb.present = NRPPA_TRANSMISSION_COMB_PR_N2;
srs_resource->transmission_comb.choice.n2.comb_offset_n2 = 1;
srs_resource->transmission_comb.choice.n2.cyclic_shift_n2 = 3;
srs_resource->start_position = 8;
srs_resource->nr_of_symbols = NRPPA_SRS_NUMBER_OF_SYMBOLS_N4;
srs_resource->repetition_factor = NRPPA_SRS_REPETITION_FACTOR_RF2;
srs_resource->freq_domain_position = 32;
srs_resource->freq_domain_shift = 108;
srs_resource->c_srs = 31;
srs_resource->b_srs = 1;
srs_resource->b_hop = 3;
srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_SEQUENCEHOPPING;
srs_resource->resource_type.present = NRPPA_RESOURCE_TYPE_PR_APERIODIC;
// set aperiodic = 0 to enable
srs_resource->resource_type.choice.aperiodic = 0;
srs_resource->sequence_id = 10;
// optional: pos_srs_resource_list
sRSConfig->pos_srs_resource_list = calloc_or_fail(1, sizeof(*sRSConfig->pos_srs_resource_list));
nrppa_pos_srs_resource_list_t *pos_srs_resource_list = sRSConfig->pos_srs_resource_list;
uint32_t pos_srs_resource_list_length = 3;
pos_srs_resource_list->pos_srs_resource_list_length = pos_srs_resource_list_length;
pos_srs_resource_list->pos_srs_resource_item =
calloc_or_fail(pos_srs_resource_list_length, sizeof(*pos_srs_resource_list->pos_srs_resource_item));
// periodic
nrppa_pos_srs_resource_item_t *pos_srs_resource = &pos_srs_resource_list->pos_srs_resource_item[0];
pos_srs_resource->srs_pos_resource_id = 12;
pos_srs_resource->transmission_comb_pos.present = NRPPA_TRANSMISSION_COMB_POS_PR_N2;
pos_srs_resource->transmission_comb_pos.choice.n2.comb_offset_n2 = 1;
pos_srs_resource->transmission_comb_pos.choice.n2.cyclic_shift_n2 = 4;
pos_srs_resource->start_position = 9;
pos_srs_resource->nr_of_symbols = NRPPA_SRS_RESOURCE_ITEM_NUMBER_OF_SYMBOLS_N8;
pos_srs_resource->freq_domain_shift = 100;
pos_srs_resource->c_srs = 20;
pos_srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_GROUPHOPPING;
pos_srs_resource->resource_type_pos.present = NRPPA_RESOURCE_TYPE_POS_PR_PERIODIC;
pos_srs_resource->resource_type_pos.choice.periodic.periodicity = NRPPA_SRS_RESOURCE_TYPE_POS_PERIODICITY_SLOT5;
pos_srs_resource->resource_type_pos.choice.periodic.offset = 10;
pos_srs_resource->sequence_id = 1;
// semi-persistent
pos_srs_resource = &pos_srs_resource_list->pos_srs_resource_item[1];
pos_srs_resource->srs_pos_resource_id = 13;
pos_srs_resource->transmission_comb_pos.present = NRPPA_TRANSMISSION_COMB_POS_PR_N4;
pos_srs_resource->transmission_comb_pos.choice.n4.comb_offset_n4 = 3;
pos_srs_resource->transmission_comb_pos.choice.n4.cyclic_shift_n4 = 5;
pos_srs_resource->start_position = 12;
pos_srs_resource->nr_of_symbols = NRPPA_SRS_RESOURCE_ITEM_NUMBER_OF_SYMBOLS_N12;
pos_srs_resource->freq_domain_shift = 100;
pos_srs_resource->c_srs = 20;
pos_srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_GROUPHOPPING;
pos_srs_resource->resource_type_pos.present = NRPPA_RESOURCE_TYPE_POS_PR_SEMI_PERSISTENT;
pos_srs_resource->resource_type_pos.choice.semi_persistent.periodicity = NRPPA_SRS_RESOURCE_TYPE_POS_PERIODICITY_SLOT32;
pos_srs_resource->resource_type_pos.choice.semi_persistent.offset = 5;
pos_srs_resource->sequence_id = 2;
// aperiodic
pos_srs_resource = &pos_srs_resource_list->pos_srs_resource_item[2];
pos_srs_resource->srs_pos_resource_id = 14;
pos_srs_resource->transmission_comb_pos.present = NRPPA_TRANSMISSION_COMB_POS_PR_N8;
pos_srs_resource->transmission_comb_pos.choice.n8.comb_offset_n8 = 5;
pos_srs_resource->transmission_comb_pos.choice.n8.cyclic_shift_n8 = 2;
pos_srs_resource->start_position = 9;
pos_srs_resource->nr_of_symbols = NRPPA_SRS_RESOURCE_ITEM_NUMBER_OF_SYMBOLS_N4;
pos_srs_resource->freq_domain_shift = 100;
pos_srs_resource->c_srs = 20;
pos_srs_resource->group_or_sequence_hopping = NRPPA_GROUPORSEQUENCEHOPPING_SEQUENCEHOPPING;
pos_srs_resource->resource_type_pos.present = NRPPA_RESOURCE_TYPE_POS_PR_APERIODIC;
pos_srs_resource->resource_type_pos.choice.periodic.periodicity = NRPPA_SRS_RESOURCE_TYPE_POS_PERIODICITY_SLOT5;
pos_srs_resource->resource_type_pos.choice.aperiodic.slot_offset = 31;
pos_srs_resource->sequence_id = 3;
// optional: srs_resource_set_list
sRSConfig->srs_resource_set_list = calloc_or_fail(1, sizeof(*sRSConfig->srs_resource_set_list));
nrppa_srs_resource_set_list_t *srs_resource_set_list = sRSConfig->srs_resource_set_list;
uint32_t srs_resource_set_list_length = 3;
srs_resource_set_list->srs_resource_set_list_length = srs_resource_set_list_length;
srs_resource_set_list->srs_resource_set =
calloc_or_fail(srs_resource_set_list_length, sizeof(*srs_resource_set_list->srs_resource_set));
// periodic
nrppa_srs_resource_set_t *srs_resource_set = &srs_resource_set_list->srs_resource_set[0];
srs_resource_set->srs_resource_set_id = 0;
uint8_t srs_resource_id_list_length = 5;
srs_resource_set->srs_resource_id_list.srs_resource_id_list_length = srs_resource_id_list_length;
srs_resource_set->srs_resource_id_list.srs_resource_id =
calloc_or_fail(srs_resource_id_list_length, sizeof(*srs_resource_set->srs_resource_id_list.srs_resource_id));
for (int k = 0; k < srs_resource_id_list_length; k++) {
srs_resource_set->srs_resource_id_list.srs_resource_id[k] = k;
}
srs_resource_set->resource_set_type.present = NRPPA_RESOURCE_SET_TYPE_PR_PERIODIC;
// set periodic = 0 to enable
srs_resource_set->resource_set_type.choice.periodic = 0;
// semi-persistent
srs_resource_set = &srs_resource_set_list->srs_resource_set[1];
srs_resource_set->srs_resource_set_id = 1;
srs_resource_id_list_length = 5;
srs_resource_set->srs_resource_id_list.srs_resource_id_list_length = srs_resource_id_list_length;
srs_resource_set->srs_resource_id_list.srs_resource_id =
calloc_or_fail(srs_resource_id_list_length, sizeof(srs_resource_set->srs_resource_id_list.srs_resource_id));
for (int k = 0; k < srs_resource_id_list_length; k++) {
srs_resource_set->srs_resource_id_list.srs_resource_id[k] = k;
}
srs_resource_set->resource_set_type.present = NRPPA_RESOURCE_SET_TYPE_PR_SEMI_PERSISTENT;
// set semi_persistent = 0 to enable
srs_resource_set->resource_set_type.choice.semi_persistent = 0;
// aperiodic
srs_resource_set = &srs_resource_set_list->srs_resource_set[2];
srs_resource_set->srs_resource_set_id = 2;
srs_resource_id_list_length = 5;
srs_resource_set->srs_resource_id_list.srs_resource_id_list_length = srs_resource_id_list_length;
srs_resource_set->srs_resource_id_list.srs_resource_id =
calloc_or_fail(srs_resource_id_list_length, sizeof(*srs_resource_set->srs_resource_id_list.srs_resource_id));
for (int k = 0; k < srs_resource_id_list_length; k++) {
srs_resource_set->srs_resource_id_list.srs_resource_id[k] = k;
}
srs_resource_set->resource_set_type.present = NRPPA_RESOURCE_SET_TYPE_PR_APERIODIC;
srs_resource_set->resource_set_type.choice.aperiodic.srs_resource_trigger = 2;
srs_resource_set->resource_set_type.choice.aperiodic.slot_offset = 20;
// optional: pos_srs_resource_set_list
sRSConfig->pos_srs_resource_set_list = calloc_or_fail(1, sizeof(*sRSConfig->pos_srs_resource_set_list));
nrppa_pos_srs_resource_set_list_t *pos_srs_resource_set_list = sRSConfig->pos_srs_resource_set_list;
uint32_t pos_srs_resource_set_list_length = 3;
pos_srs_resource_set_list->pos_srs_resource_set_list_length = pos_srs_resource_set_list_length;
pos_srs_resource_set_list->pos_srs_resource_set_item =
calloc_or_fail(pos_srs_resource_set_list_length, sizeof(*pos_srs_resource_set_list->pos_srs_resource_set_item));
// periodic
nrppa_pos_srs_resource_set_item_t *pos_srs_resource_set = &pos_srs_resource_set_list->pos_srs_resource_set_item[0];
pos_srs_resource_set->pos_srs_resource_set_id = 0;
uint8_t pos_srs_resource_id_list_length = 5;
pos_srs_resource_set->pos_srs_resource_id_list.pos_srs_resource_id_list_length = pos_srs_resource_id_list_length;
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id =
calloc_or_fail(pos_srs_resource_id_list_length,
sizeof(*pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id));
for (int k = 0; k < pos_srs_resource_id_list_length; k++) {
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id[k] = k;
}
pos_srs_resource_set->pos_resource_set_type.present = NRPPA_POS_RESOURCE_SET_TYPE_PR_PERIODIC;
// set periodic = 0 to enable
pos_srs_resource_set->pos_resource_set_type.choice.periodic = 0;
// semi-persistent
pos_srs_resource_set = &pos_srs_resource_set_list->pos_srs_resource_set_item[1];
pos_srs_resource_set->pos_srs_resource_set_id = 1;
pos_srs_resource_id_list_length = 5;
pos_srs_resource_set->pos_srs_resource_id_list.pos_srs_resource_id_list_length = pos_srs_resource_id_list_length;
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id =
calloc_or_fail(pos_srs_resource_id_list_length,
sizeof(*pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id));
for (int k = 0; k < pos_srs_resource_id_list_length; k++) {
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id[k] = k;
}
pos_srs_resource_set->pos_resource_set_type.present = NRPPA_POS_RESOURCE_SET_TYPE_PR_SEMI_PERSISTENT;
// set semi_persistent = 0 to enable
pos_srs_resource_set->pos_resource_set_type.choice.semi_persistent = 0;
// aperiodic
pos_srs_resource_set = &pos_srs_resource_set_list->pos_srs_resource_set_item[2];
pos_srs_resource_set->pos_srs_resource_set_id = 2;
pos_srs_resource_id_list_length = 5;
pos_srs_resource_set->pos_srs_resource_id_list.pos_srs_resource_id_list_length = pos_srs_resource_id_list_length;
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id =
calloc_or_fail(pos_srs_resource_id_list_length,
sizeof(*pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id));
for (int k = 0; k < pos_srs_resource_id_list_length; k++) {
pos_srs_resource_set->pos_srs_resource_id_list.srs_pos_resource_id[k] = k;
}
pos_srs_resource_set->pos_resource_set_type.present = NRPPA_POS_RESOURCE_SET_TYPE_PR_APERIODIC;
pos_srs_resource_set->pos_resource_set_type.choice.srs_resource = 3;
}
return resp;
}
// Initializing UE NAS Context with simulated SIM data
nr_ue_nas_t *simulated_ue_nas = NULL;
void init_ue_nas_context(void)
@@ -288,6 +571,14 @@ void *rrc_gnb_task(void *args_p)
LOG_I(NR_RRC, "Sending NRPPA_TRP_INFORMATION_RESP to TASK_NRPPA\n");
itti_send_msg_to_task(TASK_NRPPA, 0, msg_p_resp);
break;
case NRPPA_POSITIONING_INFORMATION_REQ:
nrppa_positioning_information_req_t *pos_req = &NRPPA_POSITIONING_INFORMATION_REQ(msg_p);
LOG_I(NR_RRC, "Received NRPPA_POSITIONING_INFORMATION_REQ transaction_id %d\n", pos_req->transaction_id);
msg_p_resp = itti_alloc_new_message(TASK_RRC_GNB, 0, NRPPA_POSITIONING_INFORMATION_RESP);
NRPPA_POSITIONING_INFORMATION_RESP(msg_p_resp) = fill_position_information_resp(pos_req->transaction_id);
LOG_I(NR_RRC, "Sending NRPPA_POSITIONING_INFORMATION_RESP to TASK_NRPPA\n");
itti_send_msg_to_task(TASK_NRPPA, 0, msg_p_resp);
break;
default:
LOG_E(NR_RRC, "[gNB %ld] Received unexpected message %s\n", instance, msg_name_p);
break;