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.

108 lines
4.5 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/.
*
*/
/******************************************************************************
* @file ue_dl_nr.h
*
* Description: NR UE uplink physical layer procedures for data
*
* This module is a frontend to all the uplink data channel processing modules.
*
* Reference:
*****************************************************************************/
#ifndef SRSRAN_UE_UL_DATA_H
#define SRSRAN_UE_UL_DATA_H
#include "srsran/phy/ch_estimation/dmrs_sch.h"
#include "srsran/phy/common/phy_common_nr.h"
#include "srsran/phy/dft/ofdm.h"
#include "srsran/phy/phch/phch_cfg_nr.h"
#include "srsran/phy/phch/pucch_cfg_nr.h"
#include "srsran/phy/phch/pucch_nr.h"
#include "srsran/phy/phch/pusch_nr.h"
typedef struct SRSRAN_API {
srsran_pusch_nr_args_t pusch;
srsran_pucch_nr_args_t pucch;
uint32_t nof_max_prb;
} srsran_ue_ul_nr_args_t;
typedef struct SRSRAN_API {
uint32_t max_prb;
srsran_carrier_nr_t carrier;
srsran_ofdm_t ifft;
cf_t* sf_symbols[SRSRAN_MAX_PORTS];
srsran_pusch_nr_t pusch;
srsran_pucch_nr_t pucch;
srsran_dmrs_sch_t dmrs;
} srsran_ue_ul_nr_t;
SRSRAN_API int srsran_ue_ul_nr_init(srsran_ue_ul_nr_t* q, cf_t* output, const srsran_ue_ul_nr_args_t* args);
SRSRAN_API int srsran_ue_ul_nr_set_carrier(srsran_ue_ul_nr_t* q, const srsran_carrier_nr_t* carrier);
SRSRAN_API int srsran_ue_ul_nr_encode_pusch(srsran_ue_ul_nr_t* q,
const srsran_slot_cfg_t* slot_cfg,
const srsran_sch_cfg_nr_t* pusch_cfg,
const srsran_pusch_data_nr_t* data);
SRSRAN_API int srsran_ue_ul_nr_encode_pucch(srsran_ue_ul_nr_t* q,
const srsran_slot_cfg_t* slot_cfg,
const srsran_pucch_nr_common_cfg_t* cfg,
const srsran_pucch_nr_resource_t* resource,
const srsran_uci_data_nr_t* uci_data);
SRSRAN_API void srsran_ue_ul_nr_free(srsran_ue_ul_nr_t* q);
SRSRAN_API int srsran_ue_ul_nr_pusch_info(const srsran_ue_ul_nr_t* q,
const srsran_sch_cfg_nr_t* cfg,
const srsran_uci_value_nr_t* uci_value,
char* str,
uint32_t str_len);
SRSRAN_API int srsran_ue_ul_nr_pucch_info(const srsran_pucch_nr_resource_t* resource,
const srsran_uci_data_nr_t* uci_data,
char* str,
uint32_t str_len);
/**
* @brief Decides whether the provided slot index within the radio frame is a SR transmission opportunity
*
* @remark Implemented according to TS 38.213 9.2.4 UE procedure for reporting SR
*
* @param sr_resources Provides the SR configuration from the upper layers
* @param slot_idx Slot index in the radio frame
* @param[out] sr_resource_id Optional SR resource index (or identifier)
*
* @return the number of SR opportunities if the provided slot index is a SR transmission opportunity, SRSRAN_ERROR code
* if provided parameters are invalid
*/
SRSRAN_API int
srsran_ue_ul_nr_sr_send_slot(const srsran_pucch_nr_sr_resource_t sr_resources[SRSRAN_PUCCH_MAX_NOF_SR_RESOURCES],
uint32_t slot_idx,
uint32_t sr_resource_id[SRSRAN_PUCCH_MAX_NOF_SR_RESOURCES]);
#endif // SRSRAN_UE_UL_DATA_H