mirror of https://github.com/PentHertz/srsLTE.git
153 lines
4.9 KiB
C
153 lines
4.9 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: pusch.h
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*
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* Description: Physical uplink shared channel.
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*
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* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.3
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*****************************************************************************/
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#ifndef SRSLTE_PUSCH_H
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#define SRSLTE_PUSCH_H
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#include "srslte/config.h"
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#include "srslte/phy/common/phy_common.h"
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#include "srslte/phy/mimo/precoding.h"
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#include "srslte/phy/mimo/layermap.h"
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#include "srslte/phy/modem/mod.h"
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#include "srslte/phy/modem/demod_soft.h"
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#include "srslte/phy/scrambling/scrambling.h"
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#include "srslte/phy/phch/regs.h"
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#include "srslte/phy/phch/dci.h"
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#include "srslte/phy/phch/sch.h"
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#include "srslte/phy/phch/pusch_cfg.h"
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#include "srslte/phy/dft/dft_precoding.h"
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#include "srslte/phy/ch_estimation/refsignal_ul.h"
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#define SRSLTE_PUSCH_MAX_TDEC_ITERS 5
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typedef struct {
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enum {
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SRSLTE_PUSCH_HOP_MODE_INTER_SF = 1,
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SRSLTE_PUSCH_HOP_MODE_INTRA_SF = 0
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} hop_mode;
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uint32_t hopping_offset;
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uint32_t n_sb;
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} srslte_pusch_hopping_cfg_t;
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typedef struct {
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srslte_sequence_t seq[SRSLTE_NSUBFRAMES_X_FRAME];
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uint32_t cell_id;
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bool sequence_generated;
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} srslte_pusch_user_t;
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/* PUSCH object */
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typedef struct SRSLTE_API {
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srslte_cell_t cell;
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bool is_ue;
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uint16_t ue_rnti;
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uint32_t max_re;
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srslte_dft_precoding_t dft_precoding;
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/* buffers */
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// void buffers are shared for tx and rx
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cf_t *ce;
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cf_t *z;
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cf_t *d;
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void *q;
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void *g;
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/* tx & rx objects */
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srslte_modem_table_t mod[4];
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srslte_sequence_t seq_type2_fo;
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// This is to generate the scrambling seq for multiple CRNTIs
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srslte_pusch_user_t **users;
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srslte_sequence_t tmp_seq;
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srslte_sch_t ul_sch;
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bool shortened;
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}srslte_pusch_t;
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SRSLTE_API int srslte_pusch_init_ue(srslte_pusch_t *q,
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uint32_t max_prb);
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SRSLTE_API int srslte_pusch_init_enb(srslte_pusch_t *q,
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uint32_t max_prb);
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SRSLTE_API void srslte_pusch_free(srslte_pusch_t *q);
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SRSLTE_API int srslte_pusch_set_cell(srslte_pusch_t *q,
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srslte_cell_t cell);
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SRSLTE_API int srslte_pusch_cfg(srslte_pusch_t *q,
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srslte_pusch_cfg_t *cfg,
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srslte_ra_ul_grant_t *grant,
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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_refsignal_srs_cfg_t *srs_cfg,
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uint32_t tti,
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uint32_t rv_idx,
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uint32_t current_tx_nb);
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SRSLTE_API int srslte_pusch_set_rnti(srslte_pusch_t *q,
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uint16_t rnti);
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SRSLTE_API void srslte_pusch_free_rnti(srslte_pusch_t *q,
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uint16_t rnti);
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SRSLTE_API int srslte_pusch_encode(srslte_pusch_t *q,
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srslte_pusch_cfg_t *cfg,
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srslte_softbuffer_tx_t *softbuffer,
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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 *sf_symbols);
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SRSLTE_API int srslte_pusch_decode(srslte_pusch_t *q,
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srslte_pusch_cfg_t *cfg,
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srslte_softbuffer_rx_t *softbuffer,
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cf_t *sf_symbols,
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cf_t *ce,
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float noise_estimate,
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uint16_t rnti,
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uint8_t *data,
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srslte_cqi_value_t *cqi_value,
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srslte_uci_data_t *uci_data);
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SRSLTE_API float srslte_pusch_average_noi(srslte_pusch_t *q);
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SRSLTE_API uint32_t srslte_pusch_last_noi(srslte_pusch_t *q);
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#endif // SRSLTE_PUSCH_H
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