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Moved UE UL scheduling functions to new MAC file

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- this commit was necessary because the location of the MAC UE
  functions does not reflect the context in which they are used
- therefore all UL scheduling-related functions have been moved
  to a new nr_ue_scheduler.c file
- and the irrelevant file rar_tools_nrUE.c has been deleted
  (nr_ue_process_rar moved to nr_ue_procedures)
- the new locations are supposed to make the file and functions
  organisations more structured and cleaner
This commit is contained in:
cig
2021-01-20 14:59:52 +01:00
committed by Thomas Schlichter
parent 9f6a8da0ac
commit e8989b2015
4 changed files with 1999 additions and 2001 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmake_targets/CMakeLists.txt
+1 -1
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@@ -2109,10 +2109,10 @@ set (MAC_NR_SRC_UE
${NR_UE_MAC_DIR}/mac_vars.c
${NR_UE_MAC_DIR}/main_ue_nr.c
${NR_UE_MAC_DIR}/nr_ue_procedures.c
${NR_UE_MAC_DIR}/nr_ue_scheduler.c
${NR_UE_MAC_DIR}/nr_ue_dci_configuration.c
${NR_UE_MAC_DIR}/nr_l1_helpers.c
${NR_UE_MAC_DIR}/nr_ra_procedures.c
${NR_UE_MAC_DIR}/rar_tools_nrUE.c
)
set (ENB_APP_SRC
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+187 -1224
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File diff suppressed because it is too large Load Diff
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+1811
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File diff suppressed because it is too large Load Diff
openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c
-776
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@@ -1,776 +0,0 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file rar_tools_nrUE.c
* \brief RA tools for NR UE
* \author Guido Casati
* \date 2019
* \version 1.0
* @ingroup _mac
*/
/* Sim */
#include "SIMULATION/TOOLS/sim.h"
/* Utils */
#include "common/utils/LOG/log.h"
#include "OCG.h"
#include "OCG_extern.h"
#include "UTIL/OPT/opt.h"
/* Common */
#include "common/ran_context.h"
/* PHY */
#include "openair1/SCHED_NR_UE/defs.h"
/* MAC */
#include "NR_MAC_UE/mac_proto.h"
#include "NR_MAC_UE/mac_extern.h"
#include "NR_MAC_COMMON/nr_mac_extern.h"
#include <common/utils/nr/nr_common.h>
// #define DEBUG_RAR
// #define DEBUG_MSG3
void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu, dci_pdu_rel15_t *dci) {
fapi_nr_pusch_config_dedicated_t *pusch_config_dedicated = &mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated;
/* PRECOD_NBR_LAYERS */
if ((pusch_config_dedicated->tx_config == tx_config_nonCodebook));
// 0 bits if the higher layer parameter txConfig = nonCodeBook
if ((pusch_config_dedicated->tx_config == tx_config_codebook)){
uint8_t n_antenna_port = 0; //FIXME!!!
if (n_antenna_port == 1); // 1 antenna port and the higher layer parameter txConfig = codebook 0 bits
if (n_antenna_port == 4){ // 4 antenna port and the higher layer parameter txConfig = codebook
// Table 7.3.1.1.2-2: transformPrecoder=disabled and maxRank = 2 or 3 or 4
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled)
&& ((pusch_config_dedicated->max_rank == 2) ||
(pusch_config_dedicated->max_rank == 3) ||
(pusch_config_dedicated->max_rank == 4))){
if (pusch_config_dedicated->codebook_subset == codebook_subset_fullyAndPartialAndNonCoherent) {
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][0];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][1];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_partialAndNonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][2];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][3];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_nonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][4];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][5];
}
}
// Table 7.3.1.1.2-3: transformPrecoder= enabled, or transformPrecoder=disabled and maxRank = 1
if (((pusch_config_dedicated->transform_precoder == transform_precoder_enabled)
|| (pusch_config_dedicated->transform_precoder == transform_precoder_disabled))
&& (pusch_config_dedicated->max_rank == 1)){
if (pusch_config_dedicated->codebook_subset == codebook_subset_fullyAndPartialAndNonCoherent) {
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][6];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][7];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_partialAndNonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][8];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][9];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_nonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][10];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][11];
}
}
}
if (n_antenna_port == 4){ // 2 antenna port and the higher layer parameter txConfig = codebook
// Table 7.3.1.1.2-4: transformPrecoder=disabled and maxRank = 2
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled) && (pusch_config_dedicated->max_rank == 2)){
if (pusch_config_dedicated->codebook_subset == codebook_subset_fullyAndPartialAndNonCoherent) {
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][12];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][13];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_nonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][14];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][15];
}
}
// Table 7.3.1.1.2-5: transformPrecoder= enabled, or transformPrecoder= disabled and maxRank = 1
if (((pusch_config_dedicated->transform_precoder == transform_precoder_enabled)
|| (pusch_config_dedicated->transform_precoder == transform_precoder_disabled))
&& (pusch_config_dedicated->max_rank == 1)){
if (pusch_config_dedicated->codebook_subset == codebook_subset_fullyAndPartialAndNonCoherent) {
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][16];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][17];
}
if (pusch_config_dedicated->codebook_subset == codebook_subset_nonCoherent){
pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][18];
pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][19];
}
}
}
}
}
// todo: this function shall be reviewed completely because of the many comments left by the author
void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu, dci_pdu_rel15_t *dci) {
/* ANTENNA_PORTS */
uint8_t rank = 0; // We need to initialize rank FIXME!!!
fapi_nr_pusch_config_dedicated_t *pusch_config_dedicated = &mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated;
if ((pusch_config_dedicated->transform_precoder == transform_precoder_enabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 1) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 1)) { // tables 7.3.1.1.2-6
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = dci->antenna_ports.val; //TBC
}
if ((pusch_config_dedicated->transform_precoder == transform_precoder_enabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 1) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 2)) { // tables 7.3.1.1.2-7
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 3)?(dci->antenna_ports.val-4):(dci->antenna_ports.val); //TBC
//pusch_config_pdu->n_front_load_symb = (dci->antenna_ports > 3)?2:1; //FIXME
}
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 1) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 1)) { // tables 7.3.1.1.2-8/9/10/11
if (rank == 1) {
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?2:1; //TBC
pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?(dci->antenna_ports.val-2):(dci->antenna_ports.val); //TBC
}
if (rank == 2){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?2:1; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = (dci->antenna_ports > 1)?(dci->antenna_ports > 2 ?0:2):0;
//pusch_config_pdu->dmrs_ports[1] = (dci->antenna_ports > 1)?(dci->antenna_ports > 2 ?2:3):1;
}
if (rank == 3){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = 0;
//pusch_config_pdu->dmrs_ports[1] = 1;
//pusch_config_pdu->dmrs_ports[2] = 2;
}
if (rank == 4){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = 0;
//pusch_config_pdu->dmrs_ports[1] = 1;
//pusch_config_pdu->dmrs_ports[2] = 2;
//pusch_config_pdu->dmrs_ports[3] = 3;
}
}
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 1) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 2)) { // tables 7.3.1.1.2-12/13/14/15
if (rank == 1){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?2:1; //TBC
pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?(dci->antenna_ports.val > 5 ?(dci->antenna_ports.val-6):(dci->antenna_ports.val-2)):dci->antenna_ports.val; //TBC
//pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 6)?2:1; //FIXME
}
if (rank == 2){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?2:1; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_13[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_13[dci->antenna_ports.val][2];
//pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 3)?2:1; // FIXME
}
if (rank == 3){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_14[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_14[dci->antenna_ports.val][2];
//pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_14[dci->antenna_ports.val][3];
//pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME
}
if (rank == 4){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_15[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_15[dci->antenna_ports.val][2];
//pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_15[dci->antenna_ports.val][3];
//pusch_config_pdu->dmrs_ports[3] = table_7_3_1_1_2_15[dci->antenna_ports.val][4];
//pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME
}
}
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 2) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 1)) { // tables 7.3.1.1.2-16/17/18/19
if (rank == 1){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?((dci->antenna_ports.val > 5)?3:2):1; //TBC
pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?(dci->antenna_ports.val > 5 ?(dci->antenna_ports.val-6):(dci->antenna_ports.val-2)):dci->antenna_ports.val; //TBC
}
if (rank == 2){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?((dci->antenna_ports.val > 2)?3:2):1; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_17[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_17[dci->antenna_ports.val][2];
}
if (rank == 3){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?3:2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_18[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_18[dci->antenna_ports.val][2];
//pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_18[dci->antenna_ports.val][3];
}
if (rank == 4){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = dci->antenna_ports.val + 2; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = 0;
//pusch_config_pdu->dmrs_ports[1] = 1;
//pusch_config_pdu->dmrs_ports[2] = 2;
//pusch_config_pdu->dmrs_ports[3] = 3;
}
}
if ((pusch_config_dedicated->transform_precoder == transform_precoder_disabled) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.dmrs_type == 2) &&
(pusch_config_dedicated->dmrs_ul_for_pusch_mapping_type_a.max_length == 2)) { // tables 7.3.1.1.2-20/21/22/23
if (rank == 1){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = table_7_3_1_1_2_20[dci->antenna_ports.val][0]; //TBC
pusch_config_pdu->dmrs_ports = table_7_3_1_1_2_20[dci->antenna_ports.val][1]; //TBC
//pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_20[dci->antenna_ports.val][2]; //FIXME
}
if (rank == 2){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = table_7_3_1_1_2_21[dci->antenna_ports.val][0]; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_21[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_21[dci->antenna_ports.val][2];
//pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_21[dci->antenna_ports.val][3]; //FIXME
}
if (rank == 3){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = table_7_3_1_1_2_22[dci->antenna_ports.val][0]; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_22[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_22[dci->antenna_ports.val][2];
//pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_22[dci->antenna_ports.val][3];
//pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_22[dci->antenna_ports.val][4]; //FIXME
}
if (rank == 4){
pusch_config_pdu->num_dmrs_cdm_grps_no_data = table_7_3_1_1_2_23[dci->antenna_ports.val][0]; //TBC
pusch_config_pdu->dmrs_ports = 0; //FIXME
//pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_23[dci->antenna_ports.val][1];
//pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_23[dci->antenna_ports.val][2];
//pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_23[dci->antenna_ports.val][3];
//pusch_config_pdu->dmrs_ports[3] = table_7_3_1_1_2_23[dci->antenna_ports.val][4];
//pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_23[dci->antenna_ports.val][5]; //FIXME
}
}
}
// Configuration of Msg3 PDU according to clauses:
// - 8.3 of 3GPP TS 38.213 version 16.3.0 Release 16
// - 6.1.2.2 of TS 38.214
// - 6.1.3 of TS 38.214
// - 6.2.2 of TS 38.214
// - 6.1.4.2 of TS 38.214
// - 6.4.1.1.1 of TS 38.211
// - 6.3.1.7 of 38.211
int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac,
nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu,
dci_pdu_rel15_t *dci,
RAR_grant_t *rar_grant,
uint16_t rnti,
uint8_t *dci_format){
int f_alloc;
int mask;
int StartSymbolIndex;
int NrOfSymbols;
uint8_t nb_dmrs_re_per_rb;
uint16_t l_prime_mask = 1;
uint16_t number_dmrs_symbols = 0;
int N_PRB_oh = 0;
NR_ServingCellConfigCommon_t *scc = mac->scc;
int rnti_type = get_rnti_type(mac, rnti);
// Common configuration
pusch_config_pdu->dmrs_config_type = pusch_dmrs_type1;
pusch_config_pdu->pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA;
pusch_config_pdu->nrOfLayers = 1;
pusch_config_pdu->rnti = rnti;
if (rar_grant) {
// Note: for Msg3 or MsgA PUSCH transmission the N_PRB_oh is always set to 0
NR_BWP_Uplink_t *ubwp = mac->ULbwp[0];
NR_BWP_UplinkDedicated_t *ibwp = mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP;
NR_PUSCH_Config_t *pusch_Config = ibwp->pusch_Config->choice.setup;
int startSymbolAndLength = ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[rar_grant->Msg3_t_alloc]->startSymbolAndLength;
// active BWP start
int abwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
int abwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
// initial BWP start
int ibwp_start = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
int ibwp_size = NRRIV2BW(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
// BWP start selection according to 8.3 of TS 38.213
pusch_config_pdu->bwp_size = ibwp_size;
if ((ibwp_start < abwp_start) || (ibwp_size > abwp_size))
pusch_config_pdu->bwp_start = abwp_start;
else
pusch_config_pdu->bwp_start = ibwp_start;
//// Resource assignment from RAR
// Frequency domain allocation according to 8.3 of TS 38.213
if (ibwp_size < 180)
mask = (1 << ((int) ceil(log2((ibwp_size*(ibwp_size+1))>>1)))) - 1;
else
mask = (1 << (28 - (int)(ceil(log2((ibwp_size*(ibwp_size+1))>>1))))) - 1;
f_alloc = rar_grant->Msg3_f_alloc & mask;
nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu, NULL, ibwp_size, 0, f_alloc);
// virtual resource block to physical resource mapping for Msg3 PUSCH (6.3.1.7 in 38.211)
pusch_config_pdu->rb_start += ibwp_start - abwp_start;
// Time domain allocation
SLIV2SL(startSymbolAndLength, &StartSymbolIndex, &NrOfSymbols);
pusch_config_pdu->start_symbol_index = StartSymbolIndex;
pusch_config_pdu->nr_of_symbols = NrOfSymbols;
#ifdef DEBUG_MSG3
LOG_D(MAC, "In %s BWP assignment (BWP (start %d, size %d) \n", __FUNCTION__, pusch_config_pdu->bwp_start, pusch_config_pdu->bwp_size);
#endif
// MCS
pusch_config_pdu->mcs_index = rar_grant->mcs;
// Frequency hopping
pusch_config_pdu->frequency_hopping = rar_grant->freq_hopping;
// DM-RS configuration according to 6.2.2 UE DM-RS transmission procedure in 38.214
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2;
pusch_config_pdu->dmrs_ports = 1;
// DMRS sequence initialization [TS 38.211, sec 6.4.1.1.1].
// Should match what is sent in DCI 0_1, otherwise set to 0.
pusch_config_pdu->scid = 0;
// Transform precoding according to 6.1.3 UE procedure for applying transform precoding on PUSCH in 38.214
pusch_config_pdu->transform_precoding = get_transformPrecoding(scc, pusch_Config, NULL, NULL, NR_RNTI_RA, 0); // TBR fix rnti and take out
// Resource allocation in frequency domain according to 6.1.2.2 in TS 38.214
pusch_config_pdu->resource_alloc = pusch_Config->resourceAllocation;
//// Completing PUSCH PDU
pusch_config_pdu->mcs_table = 0;
pusch_config_pdu->cyclic_prefix = 0;
pusch_config_pdu->data_scrambling_id = *scc->physCellId;
pusch_config_pdu->ul_dmrs_scrambling_id = *scc->physCellId;
pusch_config_pdu->subcarrier_spacing = ubwp->bwp_Common->genericParameters.subcarrierSpacing;
pusch_config_pdu->vrb_to_prb_mapping = 0;
pusch_config_pdu->uplink_frequency_shift_7p5khz = 0;
//Optional Data only included if indicated in pduBitmap
pusch_config_pdu->pusch_data.rv_index = 0; // 8.3 in 38.213
pusch_config_pdu->pusch_data.harq_process_id = 0;
pusch_config_pdu->pusch_data.new_data_indicator = 1; // new data
pusch_config_pdu->pusch_data.num_cb = 0;
} else if (dci) {
int target_ss;
uint8_t ptrs_time_density;
uint8_t ptrs_freq_density;
nfapi_nr_ue_ptrs_ports_t ptrs_ports_list;
uint16_t n_RB_ULBWP = NRRIV2BW(mac->ULbwp[0]->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
fapi_nr_pusch_config_dedicated_t *pusch_config_dedicated = &mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated;
NR_PUSCH_Config_t *pusch_Config = mac->ULbwp[0]->bwp_Dedicated->pusch_Config->choice.setup;
// These should come from RRC config!!!
uint8_t ptrs_mcs1 = 2;
uint8_t ptrs_mcs2 = 4;
uint8_t ptrs_mcs3 = 10;
uint16_t n_rb0 = 25;
uint16_t n_rb1 = 75;
/* Transform precoding */
if (rnti_type != NR_RNTI_CS || (rnti_type == NR_RNTI_CS && dci->ndi == 1)) {
pusch_config_pdu->transform_precoding = get_transformPrecoding(scc, pusch_Config, NULL, dci_format, rnti_type, 0);
}
/*DCI format-related configuration*/
if (*dci_format == NR_UL_DCI_FORMAT_0_0) {
target_ss = NR_SearchSpace__searchSpaceType_PR_common;
} else if (*dci_format == NR_UL_DCI_FORMAT_0_1) {
/* BANDWIDTH_PART_IND */
config_bwp_ue(mac, &dci->bwp_indicator.val, dci_format);
target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
ul_layers_config(mac, pusch_config_pdu, dci);
ul_ports_config(mac, pusch_config_pdu, dci);
} else {
LOG_E(MAC, "In %s: UL grant from DCI format %d is not handled...\n", __FUNCTION__, *dci_format);
return -1;
}
/* IDENTIFIER_DCI_FORMATS */
/* FREQ_DOM_RESOURCE_ASSIGNMENT_UL */
if (nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu, NULL, n_RB_ULBWP, 0, dci->frequency_domain_assignment.val) < 0){
return -1;
}
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac, pusch_config_pdu, NULL, dci->time_domain_assignment.val) < 0) {
return -1;
}
/* FREQ_HOPPING_FLAG */
if ((pusch_config_dedicated->resource_allocation != 0) && (pusch_config_dedicated->frequency_hopping !=0)){
pusch_config_pdu->frequency_hopping = dci->frequency_hopping_flag.val;
}
/* MCS */
pusch_config_pdu->mcs_index = dci->mcs;
/* MCS TABLE */
if (pusch_config_pdu->transform_precoding == transform_precoder_disabled) {
pusch_config_pdu->mcs_table = get_pusch_mcs_table(pusch_Config->mcs_Table, 0, *dci_format, rnti_type, target_ss, false);
} else {
pusch_config_pdu->mcs_table = get_pusch_mcs_table(pusch_Config->mcs_TableTransformPrecoder, 1, *dci_format, rnti_type, target_ss, false);
}
/* NDI */
pusch_config_pdu->pusch_data.new_data_indicator = dci->ndi;
/* RV */
pusch_config_pdu->pusch_data.rv_index = dci->rv;
/* HARQ_PROCESS_NUMBER */
pusch_config_pdu->pusch_data.harq_process_id = dci->harq_pid;
/* TPC_PUSCH */
// according to TS 38.213 Table Table 7.1.1-1
if (dci->tpc == 0) {
pusch_config_pdu->absolute_delta_PUSCH = -4;
}
if (dci->tpc == 1) {
pusch_config_pdu->absolute_delta_PUSCH = -1;
}
if (dci->tpc == 2) {
pusch_config_pdu->absolute_delta_PUSCH = 1;
}
if (dci->tpc == 3) {
pusch_config_pdu->absolute_delta_PUSCH = 4;
}
ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, pusch_config_pdu->mcs_index, pusch_config_pdu->mcs_table);
ptrs_freq_density = get_K_ptrs(n_rb0, n_rb1, pusch_config_pdu->rb_size);
// PTRS ports configuration
// TbD: ptrs_dmrs_port and ptrs_port_index are not initialised!
ptrs_ports_list.ptrs_re_offset = 0;
/* DMRS */
l_prime_mask = get_l_prime(pusch_config_pdu->nr_of_symbols, typeB, pusch_dmrs_pos0, pusch_len1);
pusch_config_pdu->num_dmrs_cdm_grps_no_data = 1;
// Num PRB Overhead from PUSCH-ServingCellConfig
if (mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead == NULL) {
N_PRB_oh = 0;
} else {
N_PRB_oh = *mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead;
}
/* PTRS */
pusch_config_pdu->pusch_ptrs.ptrs_time_density = ptrs_time_density;
pusch_config_pdu->pusch_ptrs.ptrs_freq_density = ptrs_freq_density;
pusch_config_pdu->pusch_ptrs.ptrs_ports_list = &ptrs_ports_list;
if (1 << pusch_config_pdu->pusch_ptrs.ptrs_time_density >= pusch_config_pdu->nr_of_symbols) {
pusch_config_pdu->pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
}
}
LOG_D(MAC, "In %s: received UL grant (rb_start %d, rb_size %d, start_symbol_index %d, nr_of_symbols %d) for RNTI type %s \n",
__FUNCTION__,
pusch_config_pdu->rb_start,
pusch_config_pdu->rb_size,
pusch_config_pdu->start_symbol_index,
pusch_config_pdu->nr_of_symbols,
rnti_types[rnti_type]);
pusch_config_pdu->ul_dmrs_symb_pos = l_prime_mask << pusch_config_pdu->start_symbol_index;;
pusch_config_pdu->target_code_rate = nr_get_code_rate_ul(pusch_config_pdu->mcs_index, pusch_config_pdu->mcs_table);
pusch_config_pdu->qam_mod_order = nr_get_Qm_ul(pusch_config_pdu->mcs_index, pusch_config_pdu->mcs_table);
if (pusch_config_pdu->target_code_rate == 0 || pusch_config_pdu->qam_mod_order == 0) {
LOG_W(MAC, "In %s: Invalid code rate or Mod order, likely due to unexpected UL DCI. Ignoring DCI! \n", __FUNCTION__);
return -1;
}
get_num_re_dmrs(pusch_config_pdu, &nb_dmrs_re_per_rb, &number_dmrs_symbols);
// Compute TBS
pusch_config_pdu->pusch_data.tb_size = nr_compute_tbs(pusch_config_pdu->qam_mod_order,
pusch_config_pdu->target_code_rate,
pusch_config_pdu->rb_size,
pusch_config_pdu->nr_of_symbols,
nb_dmrs_re_per_rb*number_dmrs_symbols,
N_PRB_oh,
0, // TBR to verify tb scaling
pusch_config_pdu->nrOfLayers)/8;
return 0;
}
/////////////////////////////////////
// Random Access Response PDU //
// TS 38.213 ch 8.2 //
// TS 38.321 ch 6.2.3 //
/////////////////////////////////////
//| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |// bit-wise
//| E | T | R A P I D |//
//| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |//
//| R | T A |//
//| T A | UL grant |//
//| UL grant |//
//| UL grant |//
//| UL grant |//
//| T C - R N T I |//
//| T C - R N T I |//
/////////////////////////////////////
// UL grant (27 bits) //
/////////////////////////////////////
//| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |// bit-wise
//|-------------------|FHF|F_alloc|//
//| Freq allocation |//
//| F_alloc |Time allocation|//
//| MCS | TPC |CSI|//
/////////////////////////////////////
// TbD WIP Msg3 development ongoing
// - apply UL grant freq alloc & time alloc as per 8.2 TS 38.213
// - apply tpc command
// WIP fix:
// - time domain indication hardcoded to 0 for k2 offset
// - extend TS 38.213 ch 8.3 Msg3 PUSCH
// - b buffer
// - ulsch power offset
// - optimize: mu_pusch, j and table_6_1_2_1_1_2_time_dom_res_alloc_A are already defined in nr_ue_procedures
int nr_ue_process_rar(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_t *ul_time_alignment, int pdu_id){
module_id_t mod_id = dl_info->module_id;
frame_t frame = dl_info->frame;
int slot = dl_info->slot;
int cc_id = dl_info->cc_id;
uint8_t gNB_id = dl_info->gNB_index;
NR_UE_MAC_INST_t *mac = get_mac_inst(mod_id);
RA_config_t *ra = &mac->ra;
uint8_t n_subPDUs = 0; // number of RAR payloads
uint8_t n_subheaders = 0; // number of MAC RAR subheaders
uint8_t *dlsch_buffer = dl_info->rx_ind->rx_indication_body[pdu_id].pdsch_pdu.pdu;
uint8_t is_Msg3 = 1;
frame_t frame_tx = 0;
int slot_tx = 0;
uint16_t rnti = 0;
int ret = 0;
NR_RA_HEADER_RAPID *rarh = (NR_RA_HEADER_RAPID *) dlsch_buffer; // RAR subheader pointer
NR_MAC_RAR *rar = (NR_MAC_RAR *) (dlsch_buffer + 1); // RAR subPDU pointer
uint8_t preamble_index = get_ra_PreambleIndex(mod_id, cc_id, gNB_id); //prach_resources->ra_PreambleIndex;
LOG_D(MAC, "In %s:[%d.%d]: [UE %d][RAPROC] invoking MAC for received RAR (current preamble %d)\n", __FUNCTION__, frame, slot, mod_id, preamble_index);
while (1) {
n_subheaders++;
if (rarh->T == 1) {
n_subPDUs++;
LOG_D(MAC, "[UE %d][RAPROC] Got RAPID RAR subPDU\n", mod_id);
} else {
n_subPDUs++;
ra->RA_backoff_indicator = table_7_2_1[((NR_RA_HEADER_BI *)rarh)->BI];
ra->RA_BI_found = 1;
LOG_D(MAC, "[UE %d][RAPROC] Got BI RAR subPDU %d\n", mod_id, ra->RA_backoff_indicator);
}
if (rarh->RAPID == preamble_index) {
LOG_I(MAC, "[UE %d][RAPROC][%d.%d] Found RAR with the intended RAPID %d\n", mod_id, frame, slot, rarh->RAPID);
rar = (NR_MAC_RAR *) (dlsch_buffer + n_subheaders + (n_subPDUs - 1) * sizeof(NR_MAC_RAR));
ra->RA_RAPID_found = 1;
break;
}
if (rarh->E == 0) {
LOG_W(PHY,"[UE %d][RAPROC] Received RAR preamble (%d) doesn't match the intended RAPID...\n", mod_id, preamble_index);
break;
} else {
rarh += sizeof(NR_MAC_RAR) + 1;
}
}
#ifdef DEBUG_RAR
LOG_D(MAC, "[DEBUG_RAR] (%d,%d) number of RAR subheader %d; number of RAR pyloads %d\n", frame, slot, n_subheaders, n_subPDUs);
LOG_D(MAC, "[DEBUG_RAR] Received RAR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for preamble %d/%d\n", *(uint8_t *) rarh, rar[0], rar[1], rar[2], rar[3], rar[4], rar[5], rarh->RAPID, preamble_index);
#endif
if (ra->RA_RAPID_found) {
RAR_grant_t rar_grant;
unsigned char tpc_command;
#ifdef DEBUG_RAR
unsigned char csi_req;
#endif
// TC-RNTI
ra->t_crnti = rar->TCRNTI_2 + (rar->TCRNTI_1 << 8);
// TA command
ul_time_alignment->apply_ta = 1;
ul_time_alignment->ta_command = rar->TA2 + (rar->TA1 << 5);
#ifdef DEBUG_RAR
// CSI
csi_req = (unsigned char) (rar->UL_GRANT_4 & 0x01);
#endif
// TPC
tpc_command = (unsigned char) ((rar->UL_GRANT_4 >> 1) & 0x07);
switch (tpc_command){
case 0:
ra->Msg3_TPC = -6;
break;
case 1:
ra->Msg3_TPC = -4;
break;
case 2:
ra->Msg3_TPC = -2;
break;
case 3:
ra->Msg3_TPC = 0;
break;
case 4:
ra->Msg3_TPC = 2;
break;
case 5:
ra->Msg3_TPC = 4;
break;
case 6:
ra->Msg3_TPC = 6;
break;
case 7:
ra->Msg3_TPC = 8;
break;
}
// MCS
rar_grant.mcs = (unsigned char) (rar->UL_GRANT_4 >> 4);
// time alloc
rar_grant.Msg3_t_alloc = (unsigned char) (rar->UL_GRANT_3 & 0x07);
// frequency alloc
rar_grant.Msg3_f_alloc = (uint16_t) ((rar->UL_GRANT_3 >> 4) | (rar->UL_GRANT_2 << 4) | ((rar->UL_GRANT_1 & 0x03) << 12));
// frequency hopping
rar_grant.freq_hopping = (unsigned char) (rar->UL_GRANT_1 >> 2);
// TC-RNTI
if (ra->t_crnti) {
rnti = ra->t_crnti;
} else {
rnti = mac->crnti;
}
#ifdef DEBUG_RAR
LOG_D(MAC, "In %s:[%d.%d]: [UE %d] Received RAR with t_alloc %d f_alloc %d ta_command %d mcs %d freq_hopping %d tpc_command %d csi_req %d t_crnti %x \n",
__FUNCTION__,
frame,
slot,
mod_id,
rar_grant.Msg3_t_alloc,
rar_grant.Msg3_f_alloc,
ul_time_alignment->ta_command,
rar_grant.mcs,
rar_grant.freq_hopping,
tpc_command,
csi_req,
ra->t_crnti);
#endif
// Schedule Msg3
ret = nr_ue_pusch_scheduler(mac, is_Msg3, frame, slot, &frame_tx, &slot_tx, rar_grant.Msg3_t_alloc);
if (ret != -1){
fapi_nr_ul_config_request_t *ul_config = get_ul_config_request(mac, slot_tx);
if (!ul_config) {
LOG_W(MAC, "In %s: ul_config request is NULL. Probably due to unexpected UL DCI in frame.slot %d.%d. Ignoring DCI!\n", __FUNCTION__, frame, slot);
return -1;
}
nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu = &ul_config->ul_config_list[ul_config->number_pdus].pusch_config_pdu;
fill_ul_config(ul_config, frame_tx, slot_tx, FAPI_NR_UL_CONFIG_TYPE_PUSCH);
// Config Msg3 PDU
nr_config_pusch_pdu(mac, pusch_config_pdu, NULL, &rar_grant, rnti, NULL);
}
} else {
ra->t_crnti = 0;
ul_time_alignment->ta_command = (0xffff);
}
return ret;
}