mirror of https://github.com/PentHertz/srsLTE.git
206 lines
7.5 KiB
C
206 lines
7.5 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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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 UEUL_H
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#define UEUL_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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srslte_ofdm_t fft;
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srslte_cfo_t cfo;
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srslte_cell_t cell;
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bool normalize_en;
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bool cfo_en;
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float current_cfo;
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srslte_pucch_format_t last_pucch_format;
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srslte_pusch_cfg_t pusch_cfg;
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srslte_refsignal_ul_t signals;
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srslte_refsignal_ul_dmrs_pregen_t pregen_drms;
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srslte_refsignal_srs_pregen_t pregen_srs;
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srslte_softbuffer_tx_t softbuffer;
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srslte_pusch_t pusch;
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srslte_pucch_t pucch;
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srslte_pucch_sched_t pucch_sched;
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srslte_refsignal_srs_cfg_t srs_cfg;
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srslte_uci_cfg_t uci_cfg;
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srslte_pusch_hopping_cfg_t hopping_cfg;
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srslte_ue_ul_powerctrl_t power_ctrl;
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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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uint16_t current_rnti;
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bool signals_pregenerated;
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}srslte_ue_ul_t;
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/* This function shall be called just after the initial synchronization */
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SRSLTE_API int srslte_ue_ul_init(srslte_ue_ul_t *q,
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srslte_cell_t cell);
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SRSLTE_API void srslte_ue_ul_free(srslte_ue_ul_t *q);
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SRSLTE_API void srslte_ue_ul_set_cfo(srslte_ue_ul_t *q,
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float cur_cfo);
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SRSLTE_API void srslte_ue_ul_set_cfo_enable(srslte_ue_ul_t *q,
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bool enabled);
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SRSLTE_API void srslte_ue_ul_set_normalization(srslte_ue_ul_t *q,
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bool enabled);
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SRSLTE_API void srslte_ue_ul_set_cfg(srslte_ue_ul_t *q,
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srslte_refsignal_dmrs_pusch_cfg_t *dmrs_cfg,
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srslte_refsignal_srs_cfg_t *srs_cfg,
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srslte_pucch_cfg_t *pucch_cfg,
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srslte_pucch_sched_t *pucch_sched,
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srslte_uci_cfg_t *uci_cfg,
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srslte_pusch_hopping_cfg_t *hopping_cfg,
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srslte_ue_ul_powerctrl_t *power_ctrl);
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SRSLTE_API int srslte_ue_ul_cfg_grant(srslte_ue_ul_t *q,
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srslte_ra_ul_grant_t *grant,
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uint32_t tti,
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uint32_t rvidx,
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uint32_t current_tx_nb);
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SRSLTE_API int srslte_ue_ul_pucch_encode(srslte_ue_ul_t *q,
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srslte_uci_data_t uci_data,
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uint32_t pdcch_n_cce, /* Ncce of the last PDCCH message received */
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uint32_t tti,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_pusch_encode(srslte_ue_ul_t *q,
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uint8_t *data,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_pusch_encode_rnti(srslte_ue_ul_t *q,
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uint8_t *data,
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uint16_t rnti,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_pusch_uci_encode(srslte_ue_ul_t *q,
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uint8_t *data,
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srslte_uci_data_t uci_data,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_pusch_uci_encode_rnti(srslte_ue_ul_t *q,
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uint8_t *data,
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srslte_uci_data_t uci_data,
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uint16_t rnti,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_pusch_encode_rnti_softbuffer(srslte_ue_ul_t *q,
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uint8_t *data,
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srslte_uci_data_t uci_data,
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srslte_softbuffer_tx_t *softbuffer,
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uint16_t rnti,
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cf_t *output_signal);
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SRSLTE_API int srslte_ue_ul_srs_encode(srslte_ue_ul_t *q,
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uint32_t tti,
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cf_t *output_signal);
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SRSLTE_API void srslte_ue_ul_reset(srslte_ue_ul_t *q);
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SRSLTE_API int srslte_ue_ul_pregen_signals(srslte_ue_ul_t *q);
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SRSLTE_API void srslte_ue_ul_set_rnti(srslte_ue_ul_t *q,
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uint16_t rnti);
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/* Power control procedure */
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SRSLTE_API float srslte_ue_ul_pusch_power(srslte_ue_ul_t *q,
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float PL,
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float p0_preamble);
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SRSLTE_API float srslte_ue_ul_pucch_power(srslte_ue_ul_t *q,
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float PL,
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srslte_pucch_format_t format,
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uint32_t n_cqi,
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uint32_t n_harq);
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SRSLTE_API float srslte_ue_ul_srs_power(srslte_ue_ul_t *q,
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float PL);
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/* Other static functions for UL PHY procedures defined in 36.213 */
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SRSLTE_API int srslte_ue_ul_sr_send_tti(uint32_t I_sr,
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uint32_t current_tti);
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SRSLTE_API bool srslte_ue_ul_srs_tx_enabled(srslte_refsignal_srs_cfg_t *srs_cfg,
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uint32_t tti);
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#endif
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