/** * * \section COPYRIGHT * * Copyright 2013-2015 Software Radio Systems Limited * * \section LICENSE * * This file is part of the srsLTE library. * * srsLTE 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. * * srsLTE 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: pusch.h * * Description: Physical uplink shared channel. * * Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.3 *****************************************************************************/ #ifndef PUSCH_ #define PUSCH_ #include "srslte/config.h" #include "srslte/phy/common/phy_common.h" #include "srslte/phy/mimo/precoding.h" #include "srslte/phy/mimo/layermap.h" #include "srslte/phy/modem/mod.h" #include "srslte/phy/modem/demod_soft.h" #include "srslte/phy/scrambling/scrambling.h" #include "srslte/phy/phch/regs.h" #include "srslte/phy/phch/dci.h" #include "srslte/phy/phch/sch.h" #include "srslte/phy/phch/pusch_cfg.h" #include "srslte/phy/dft/dft_precoding.h" #include "srslte/phy/ch_estimation/refsignal_ul.h" #define SRSLTE_PUSCH_MAX_TDEC_ITERS 5 typedef struct { enum { SRSLTE_PUSCH_HOP_MODE_INTER_SF = 1, SRSLTE_PUSCH_HOP_MODE_INTRA_SF = 0 } hop_mode; uint32_t hopping_offset; uint32_t n_sb; } srslte_pusch_hopping_cfg_t; typedef struct { srslte_sequence_t seq[SRSLTE_NSUBFRAMES_X_FRAME]; uint32_t cell_id; bool sequence_generated; } srslte_pusch_user_t; /* PUSCH object */ typedef struct SRSLTE_API { srslte_cell_t cell; bool is_ue; uint32_t max_re; srslte_dft_precoding_t dft_precoding; /* buffers */ // void buffers are shared for tx and rx cf_t *ce; cf_t *z; cf_t *d; void *q; void *g; /* tx & rx objects */ srslte_modem_table_t mod[4]; srslte_sequence_t seq_type2_fo; // This is to generate the scrambling seq for multiple CRNTIs srslte_pusch_user_t **users; srslte_sequence_t tmp_seq; srslte_sch_t ul_sch; bool shortened; }srslte_pusch_t; SRSLTE_API int srslte_pusch_init_ue(srslte_pusch_t *q, uint32_t max_prb); SRSLTE_API int srslte_pusch_init_enb(srslte_pusch_t *q, uint32_t max_prb); SRSLTE_API void srslte_pusch_free(srslte_pusch_t *q); SRSLTE_API int srslte_pusch_set_cell(srslte_pusch_t *q, srslte_cell_t cell); SRSLTE_API int srslte_pusch_cfg(srslte_pusch_t *q, srslte_pusch_cfg_t *cfg, srslte_ra_ul_grant_t *grant, srslte_uci_cfg_t *uci_cfg, srslte_pusch_hopping_cfg_t *hopping_cfg, srslte_refsignal_srs_cfg_t *srs_cfg, uint32_t tti, uint32_t rv_idx, uint32_t current_tx_nb); SRSLTE_API int srslte_pusch_set_rnti(srslte_pusch_t *q, uint16_t rnti); SRSLTE_API void srslte_pusch_free_rnti(srslte_pusch_t *q, uint16_t rnti); SRSLTE_API int srslte_pusch_encode(srslte_pusch_t *q, srslte_pusch_cfg_t *cfg, srslte_softbuffer_tx_t *softbuffer, uint8_t *data, srslte_uci_data_t uci_data, uint16_t rnti, cf_t *sf_symbols); SRSLTE_API int srslte_pusch_decode(srslte_pusch_t *q, srslte_pusch_cfg_t *cfg, srslte_softbuffer_rx_t *softbuffer, cf_t *sf_symbols, cf_t *ce, float noise_estimate, uint16_t rnti, uint8_t *data, srslte_uci_data_t *uci_data); SRSLTE_API float srslte_pusch_average_noi(srslte_pusch_t *q); SRSLTE_API uint32_t srslte_pusch_last_noi(srslte_pusch_t *q); #endif