mirror of https://github.com/PentHertz/srsLTE.git
158 lines
5.0 KiB
C
158 lines
5.0 KiB
C
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: ue_ul.h
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*
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* Description: UE uplink object.
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*
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* This module is a frontend to all the uplink data and control
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* channel processing modules.
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*
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* Reference:
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*****************************************************************************/
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#ifndef SRSLTE_UE_UL_H
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#define SRSLTE_UE_UL_H
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#include "srslte/phy/common/phy_common.h"
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#include "srslte/phy/ch_estimation/chest_dl.h"
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#include "srslte/phy/dft/ofdm.h"
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#include "srslte/phy/ch_estimation/refsignal_ul.h"
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#include "srslte/phy/phch/pusch.h"
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#include "srslte/phy/phch/dci.h"
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#include "srslte/phy/phch/ra.h"
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#include "srslte/phy/sync/cfo.h"
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#include "srslte/phy/utils/vector.h"
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#include "srslte/phy/utils/debug.h"
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#include "srslte/config.h"
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/* UE UL power control */
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typedef struct {
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// Common configuration
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float p0_nominal_pusch;
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float alpha;
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float p0_nominal_pucch;
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float delta_f_pucch[5];
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float delta_preamble_msg3;
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// Dedicated configuration
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float p0_ue_pusch;
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bool delta_mcs_based;
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bool acc_enabled;
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float p0_ue_pucch;
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float p_srs_offset;
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} srslte_ue_ul_powerctrl_t;
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typedef struct SRSLTE_API {
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// Uplink config (includes common and dedicated variables)
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srslte_pucch_cfg_t pucch;
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srslte_pusch_cfg_t pusch;
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srslte_pusch_hopping_cfg_t hopping;
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srslte_ue_ul_powerctrl_t power_ctrl;
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srslte_refsignal_dmrs_pusch_cfg_t dmrs;
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srslte_refsignal_srs_cfg_t srs;
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} srslte_ul_cfg_t;
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typedef enum {
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SRSLTE_UE_UL_NORMALIZE_MODE_AUTO = 0,
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SRSLTE_UE_UL_NORMALIZE_MODE_FORCE_AMPLITUDE
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} srslte_ue_ul_normalize_mode_t;
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typedef struct SRSLTE_API {
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srslte_ul_cfg_t ul_cfg;
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bool grant_available;
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uint32_t cc_idx;
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srslte_ue_ul_normalize_mode_t normalize_mode;
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float force_peak_amplitude;
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bool cfo_en;
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float cfo_tol;
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float cfo_value;
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} srslte_ue_ul_cfg_t;
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typedef struct SRSLTE_API {
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srslte_cell_t cell;
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uint16_t current_rnti;
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bool signals_pregenerated;
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srslte_ofdm_t fft;
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srslte_cfo_t cfo;
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srslte_refsignal_ul_t signals;
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srslte_refsignal_ul_dmrs_pregen_t pregen_dmrs;
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srslte_refsignal_srs_pregen_t pregen_srs;
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srslte_pusch_t pusch;
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srslte_pucch_t pucch;
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srslte_ra_ul_pusch_hopping_t hopping;
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cf_t* out_buffer;
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cf_t* refsignal;
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cf_t* srs_signal;
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cf_t* sf_symbols;
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} srslte_ue_ul_t;
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SRSLTE_API int srslte_ue_ul_init(srslte_ue_ul_t* q, cf_t* out_buffer, uint32_t max_prb);
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SRSLTE_API void srslte_ue_ul_free(srslte_ue_ul_t* q);
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SRSLTE_API int srslte_ue_ul_set_cell(srslte_ue_ul_t* q, srslte_cell_t cell);
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SRSLTE_API void srslte_ue_ul_set_rnti(srslte_ue_ul_t* q, uint16_t rnti);
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SRSLTE_API int srslte_ue_ul_pregen_signals(srslte_ue_ul_t* q, srslte_ue_ul_cfg_t* cfg);
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SRSLTE_API int srslte_ue_ul_dci_to_pusch_grant(srslte_ue_ul_t* q,
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srslte_ul_sf_cfg_t* sf,
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srslte_ue_ul_cfg_t* cfg,
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srslte_dci_ul_t* dci,
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srslte_pusch_grant_t* grant);
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SRSLTE_API void srslte_ue_ul_pusch_hopping(srslte_ue_ul_t* q,
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srslte_ul_sf_cfg_t* sf,
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srslte_ue_ul_cfg_t* cfg,
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srslte_pusch_grant_t* grant);
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SRSLTE_API int
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srslte_ue_ul_encode(srslte_ue_ul_t* q, srslte_ul_sf_cfg_t* sf, srslte_ue_ul_cfg_t* cfg, srslte_pusch_data_t* data);
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SRSLTE_API int srslte_ue_ul_sr_send_tti(srslte_pucch_cfg_t* cfg, uint32_t current_tti);
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SRSLTE_API bool
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srslte_ue_ul_gen_sr(srslte_ue_ul_cfg_t* cfg, srslte_ul_sf_cfg_t* sf, srslte_uci_data_t* uci_data, bool sr_request);
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SRSLTE_API void srslte_ue_ul_pucch_resource_selection(srslte_cell_t* cell,
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srslte_pucch_cfg_t* cfg,
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srslte_uci_cfg_t* uci_cfg,
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srslte_uci_value_t* uci_data);
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SRSLTE_API bool srslte_ue_ul_info(
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srslte_ue_ul_cfg_t* cfg, srslte_ul_sf_cfg_t* sf, srslte_uci_value_t* uci_data, char* str, uint32_t str_len);
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#endif // SRSLTE_UE_UL_H
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