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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/**
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* Copyright 2013-2021 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: pmch.h
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*
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* Description: Physical multicast channel
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*
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* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 6.5
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*****************************************************************************/
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#ifndef SRSLTE_PMCH_H
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#define SRSLTE_PMCH_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/common/sequence.h"
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#include "srslte/phy/mimo/layermap.h"
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#include "srslte/phy/mimo/precoding.h"
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#include "srslte/phy/modem/demod_soft.h"
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#include "srslte/phy/modem/mod.h"
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#include "srslte/phy/phch/dci.h"
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#include "srslte/phy/phch/pdsch.h"
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#include "srslte/phy/phch/ra_dl.h"
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#include "srslte/phy/phch/regs.h"
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#include "srslte/phy/phch/sch.h"
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#include "srslte/phy/scrambling/scrambling.h"
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typedef struct {
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srslte_sequence_t seq[SRSLTE_NOF_SF_X_FRAME];
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} srslte_pmch_seq_t;
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typedef struct SRSLTE_API {
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srslte_pdsch_cfg_t pdsch_cfg;
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uint16_t area_id;
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} srslte_pmch_cfg_t;
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/* PMCH object */
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typedef struct SRSLTE_API {
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srslte_cell_t cell;
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uint32_t nof_rx_antennas;
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uint32_t max_re;
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/* buffers */
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// void buffers are shared for tx and rx
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cf_t* ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
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cf_t* symbols[SRSLTE_MAX_PORTS];
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cf_t* x[SRSLTE_MAX_PORTS];
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cf_t* d;
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void* e;
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/* tx & rx objects */
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srslte_modem_table_t mod[4];
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// This is to generate the scrambling seq for multiple MBSFN Area IDs
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srslte_pmch_seq_t** seqs;
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srslte_sch_t dl_sch;
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} srslte_pmch_t;
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SRSLTE_API int srslte_pmch_init(srslte_pmch_t* q, uint32_t max_prb, uint32_t nof_rx_antennas);
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SRSLTE_API void srslte_pmch_free(srslte_pmch_t* q);
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SRSLTE_API int srslte_pmch_set_cell(srslte_pmch_t* q, srslte_cell_t cell);
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SRSLTE_API int srslte_pmch_set_area_id(srslte_pmch_t* q, uint16_t area_id);
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SRSLTE_API void srslte_pmch_free_area_id(srslte_pmch_t* q, uint16_t area_id);
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SRSLTE_API void srslte_configure_pmch(srslte_pmch_cfg_t* pmch_cfg, srslte_cell_t* cell, srslte_mbsfn_cfg_t* mbsfn_cfg);
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SRSLTE_API int srslte_pmch_encode(srslte_pmch_t* q,
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srslte_dl_sf_cfg_t* sf,
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srslte_pmch_cfg_t* cfg,
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uint8_t* data,
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cf_t* sf_symbols[SRSLTE_MAX_PORTS]);
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SRSLTE_API int srslte_pmch_decode(srslte_pmch_t* q,
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srslte_dl_sf_cfg_t* sf,
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srslte_pmch_cfg_t* cfg,
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srslte_chest_dl_res_t* channel,
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cf_t* sf_symbols[SRSLTE_MAX_PORTS],
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srslte_pdsch_res_t* data);
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#endif // SRSLTE_PMCH_H
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