mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
143 lines
5.8 KiB
C
143 lines
5.8 KiB
C
/**
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsRAN is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
#ifndef SRSRAN_UE_DL_NR_H
|
|
#define SRSRAN_UE_DL_NR_H
|
|
|
|
#include "srsran/phy/ch_estimation/csi_rs.h"
|
|
#include "srsran/phy/ch_estimation/dmrs_pdcch.h"
|
|
#include "srsran/phy/common/phy_common_nr.h"
|
|
#include "srsran/phy/dft/ofdm.h"
|
|
#include "srsran/phy/phch/csi.h"
|
|
#include "srsran/phy/phch/dci_nr.h"
|
|
#include "srsran/phy/phch/pdcch_cfg_nr.h"
|
|
#include "srsran/phy/phch/pdcch_nr.h"
|
|
#include "srsran/phy/phch/pdsch_nr.h"
|
|
#include "srsran/phy/phch/uci_cfg_nr.h"
|
|
|
|
/**
|
|
* Maximum number of DCI messages to receive
|
|
*/
|
|
#define SRSRAN_MAX_DCI_MSG_NR 4
|
|
|
|
typedef struct SRSRAN_API {
|
|
srsran_pdsch_nr_args_t pdsch;
|
|
srsran_pdcch_nr_args_t pdcch;
|
|
uint32_t nof_rx_antennas;
|
|
uint32_t nof_max_prb;
|
|
float pdcch_dmrs_corr_thr;
|
|
float pdcch_dmrs_epre_thr;
|
|
} srsran_ue_dl_nr_args_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
srsran_dci_ctx_t dci_ctx;
|
|
srsran_dmrs_pdcch_measure_t measure;
|
|
srsran_pdcch_nr_res_t result;
|
|
uint32_t nof_bits;
|
|
} srsran_ue_dl_nr_pdcch_info_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint32_t max_prb;
|
|
uint32_t nof_rx_antennas;
|
|
float pdcch_dmrs_corr_thr;
|
|
float pdcch_dmrs_epre_thr;
|
|
|
|
srsran_carrier_nr_t carrier;
|
|
srsran_pdcch_cfg_nr_t cfg;
|
|
|
|
srsran_ofdm_t fft[SRSRAN_MAX_PORTS];
|
|
|
|
cf_t* sf_symbols[SRSRAN_MAX_PORTS];
|
|
srsran_chest_dl_res_t chest;
|
|
srsran_pdsch_nr_t pdsch;
|
|
srsran_dmrs_sch_t dmrs_pdsch;
|
|
|
|
srsran_dmrs_pdcch_estimator_t dmrs_pdcch[SRSRAN_UE_DL_NR_MAX_NOF_CORESET];
|
|
srsran_pdcch_nr_t pdcch;
|
|
srsran_dmrs_pdcch_ce_t* pdcch_ce;
|
|
|
|
/// Store Blind-search information from all possible candidate locations for debug purposes
|
|
srsran_ue_dl_nr_pdcch_info_t pdcch_info[SRSRAN_MAX_NOF_CANDIDATES_SLOT_NR];
|
|
uint32_t pdcch_info_count;
|
|
|
|
/// DCI packing/unpacking object
|
|
srsran_dci_nr_t dci;
|
|
|
|
/// Temporally stores Found DCI messages from all SS
|
|
srsran_dci_msg_nr_t dl_dci_msg[SRSRAN_MAX_DCI_MSG_NR];
|
|
uint32_t dl_dci_msg_count;
|
|
|
|
srsran_dci_msg_nr_t ul_dci_msg[SRSRAN_MAX_DCI_MSG_NR];
|
|
uint32_t ul_dci_count;
|
|
} srsran_ue_dl_nr_t;
|
|
|
|
SRSRAN_API int
|
|
srsran_ue_dl_nr_init(srsran_ue_dl_nr_t* q, cf_t* input[SRSRAN_MAX_PORTS], const srsran_ue_dl_nr_args_t* args);
|
|
|
|
SRSRAN_API int srsran_ue_dl_nr_set_carrier(srsran_ue_dl_nr_t* q, const srsran_carrier_nr_t* carrier);
|
|
|
|
SRSRAN_API int srsran_ue_dl_nr_set_pdcch_config(srsran_ue_dl_nr_t* q,
|
|
const srsran_pdcch_cfg_nr_t* cfg,
|
|
const srsran_dci_cfg_nr_t* dci_cfg);
|
|
|
|
SRSRAN_API void srsran_ue_dl_nr_free(srsran_ue_dl_nr_t* q);
|
|
|
|
SRSRAN_API void srsran_ue_dl_nr_estimate_fft(srsran_ue_dl_nr_t* q, const srsran_slot_cfg_t* slot_cfg);
|
|
|
|
SRSRAN_API int srsran_ue_dl_nr_find_dl_dci(srsran_ue_dl_nr_t* q,
|
|
const srsran_slot_cfg_t* slot_cfg,
|
|
uint16_t rnti,
|
|
srsran_rnti_type_t rnti_type,
|
|
srsran_dci_dl_nr_t* dci_dl_list,
|
|
uint32_t nof_dci_msg);
|
|
|
|
SRSRAN_API int srsran_ue_dl_nr_find_ul_dci(srsran_ue_dl_nr_t* q,
|
|
const srsran_slot_cfg_t* slot_cfg,
|
|
uint16_t rnti,
|
|
srsran_rnti_type_t rnti_type,
|
|
srsran_dci_ul_nr_t* dci_ul_list,
|
|
uint32_t nof_dci_msg);
|
|
|
|
SRSRAN_API int srsran_ue_dl_nr_decode_pdsch(srsran_ue_dl_nr_t* q,
|
|
const srsran_slot_cfg_t* slot,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
srsran_pdsch_res_nr_t* res);
|
|
|
|
SRSRAN_API uint32_t srsran_ue_dl_nr_pdsch_info(const srsran_ue_dl_nr_t* q,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
const srsran_pdsch_res_nr_t res[SRSRAN_MAX_CODEWORDS],
|
|
char* str,
|
|
uint32_t str_len);
|
|
|
|
SRSRAN_API
|
|
int srsran_ue_dl_nr_csi_measure_trs(const srsran_ue_dl_nr_t* q,
|
|
const srsran_slot_cfg_t* slot_cfg,
|
|
const srsran_csi_rs_nzp_set_t* csi_rs_nzp_set,
|
|
srsran_csi_trs_measurements_t* measurement);
|
|
|
|
SRSRAN_API
|
|
int srsran_ue_dl_nr_csi_measure_channel(const srsran_ue_dl_nr_t* q,
|
|
const srsran_slot_cfg_t* slot_cfg,
|
|
const srsran_csi_rs_nzp_set_t* csi_rs_nzp_set,
|
|
srsran_csi_channel_measurements_t* measurement);
|
|
|
|
#endif // SRSRAN_UE_DL_NR_H
|