mirror of https://github.com/PentHertz/srsLTE.git
159 lines
5.2 KiB
C
159 lines
5.2 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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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 SRSRAN_UE_UL_H
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#define SRSRAN_UE_UL_H
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#include "srsran/phy/ch_estimation/chest_dl.h"
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#include "srsran/phy/ch_estimation/refsignal_ul.h"
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#include "srsran/phy/common/phy_common.h"
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#include "srsran/phy/dft/ofdm.h"
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#include "srsran/phy/phch/dci.h"
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#include "srsran/phy/phch/pusch.h"
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#include "srsran/phy/phch/ra.h"
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#include "srsran/phy/sync/cfo.h"
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#include "srsran/phy/utils/debug.h"
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#include "srsran/phy/utils/vector.h"
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#include "srsran/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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} srsran_ue_ul_powerctrl_t;
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typedef struct SRSRAN_API {
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// Uplink config (includes common and dedicated variables)
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srsran_pucch_cfg_t pucch;
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srsran_pusch_cfg_t pusch;
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srsran_pusch_hopping_cfg_t hopping;
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srsran_ue_ul_powerctrl_t power_ctrl;
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srsran_refsignal_dmrs_pusch_cfg_t dmrs;
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srsran_refsignal_srs_cfg_t srs;
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} srsran_ul_cfg_t;
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typedef enum {
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SRSRAN_UE_UL_NORMALIZE_MODE_AUTO = 0,
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SRSRAN_UE_UL_NORMALIZE_MODE_FORCE_AMPLITUDE
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} srsran_ue_ul_normalize_mode_t;
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typedef struct SRSRAN_API {
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srsran_ul_cfg_t ul_cfg;
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bool grant_available;
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uint32_t cc_idx;
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srsran_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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} srsran_ue_ul_cfg_t;
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typedef struct SRSRAN_API {
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srsran_cell_t cell;
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bool signals_pregenerated;
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srsran_ofdm_t fft;
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srsran_cfo_t cfo;
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srsran_refsignal_ul_t signals;
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srsran_refsignal_ul_dmrs_pregen_t pregen_dmrs;
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srsran_refsignal_srs_pregen_t pregen_srs;
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srsran_pusch_t pusch;
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srsran_pucch_t pucch;
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srsran_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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} srsran_ue_ul_t;
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SRSRAN_API int srsran_ue_ul_init(srsran_ue_ul_t* q, cf_t* out_buffer, uint32_t max_prb);
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SRSRAN_API void srsran_ue_ul_free(srsran_ue_ul_t* q);
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SRSRAN_API int srsran_ue_ul_set_cell(srsran_ue_ul_t* q, srsran_cell_t cell);
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SRSRAN_API int srsran_ue_ul_pregen_signals(srsran_ue_ul_t* q, srsran_ue_ul_cfg_t* cfg);
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SRSRAN_API int srsran_ue_ul_dci_to_pusch_grant(srsran_ue_ul_t* q,
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srsran_ul_sf_cfg_t* sf,
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srsran_ue_ul_cfg_t* cfg,
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srsran_dci_ul_t* dci,
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srsran_pusch_grant_t* grant);
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SRSRAN_API void srsran_ue_ul_pusch_hopping(srsran_ue_ul_t* q,
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srsran_ul_sf_cfg_t* sf,
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srsran_ue_ul_cfg_t* cfg,
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srsran_pusch_grant_t* grant);
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SRSRAN_API int
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srsran_ue_ul_encode(srsran_ue_ul_t* q, srsran_ul_sf_cfg_t* sf, srsran_ue_ul_cfg_t* cfg, srsran_pusch_data_t* data);
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SRSRAN_API int srsran_ue_ul_sr_send_tti(const srsran_pucch_cfg_t* cfg, uint32_t current_tti);
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SRSRAN_API bool
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srsran_ue_ul_gen_sr(srsran_ue_ul_cfg_t* cfg, srsran_ul_sf_cfg_t* sf, srsran_uci_data_t* uci_data, bool sr_request);
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/**
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* Determines the PUCCH resource selection according to 3GPP 36.213 R10 Section 10.1. The PUCCH format and resource are
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* saved in cfg->format and cfg->n_pucch. Also, HARQ-ACK
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*
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* @param cell Cell parameter, non-modifiable
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* @param cfg PUCCH configuration and contains function results
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* @param uci_cfg UCI configuration
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* @param uci_data UCI data
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* @param b Modified bits after applying HARQ-ACK feedback mode "encoding"
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*/
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SRSRAN_API void srsran_ue_ul_pucch_resource_selection(const srsran_cell_t* cell,
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srsran_pucch_cfg_t* cfg,
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const srsran_uci_cfg_t* uci_cfg,
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const srsran_uci_value_t* uci_value,
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uint8_t b[SRSRAN_UCI_MAX_ACK_BITS]);
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SRSRAN_API bool srsran_ue_ul_info(srsran_ue_ul_cfg_t* cfg,
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srsran_ul_sf_cfg_t* sf,
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srsran_uci_value_t* uci_data,
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char* str,
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uint32_t str_len);
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#endif // SRSRAN_UE_UL_H
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