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C

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN 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.
*
* srsRAN 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: pmch.h
*
* Description: Physical multicast channel
*
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 6.5
*****************************************************************************/
#ifndef SRSRAN_PMCH_H
#define SRSRAN_PMCH_H
#include "srsran/config.h"
#include "srsran/phy/common/phy_common.h"
#include "srsran/phy/common/sequence.h"
#include "srsran/phy/mimo/layermap.h"
#include "srsran/phy/mimo/precoding.h"
#include "srsran/phy/modem/demod_soft.h"
#include "srsran/phy/modem/mod.h"
#include "srsran/phy/phch/dci.h"
#include "srsran/phy/phch/pdsch.h"
#include "srsran/phy/phch/ra_dl.h"
#include "srsran/phy/phch/regs.h"
#include "srsran/phy/phch/sch.h"
#include "srsran/phy/scrambling/scrambling.h"
typedef struct {
srsran_sequence_t seq[SRSRAN_NOF_SF_X_FRAME];
} srsran_pmch_seq_t;
typedef struct SRSRAN_API {
srsran_pdsch_cfg_t pdsch_cfg;
uint16_t area_id;
} srsran_pmch_cfg_t;
/* PMCH object */
typedef struct SRSRAN_API {
srsran_cell_t cell;
uint32_t nof_rx_antennas;
uint32_t max_re;
/* buffers */
// void buffers are shared for tx and rx
cf_t* ce[SRSRAN_MAX_PORTS][SRSRAN_MAX_PORTS];
cf_t* symbols[SRSRAN_MAX_PORTS];
cf_t* x[SRSRAN_MAX_PORTS];
cf_t* d;
void* e;
/* tx & rx objects */
srsran_modem_table_t mod[4];
// This is to generate the scrambling seq for multiple MBSFN Area IDs
srsran_pmch_seq_t** seqs;
srsran_sch_t dl_sch;
} srsran_pmch_t;
SRSRAN_API int srsran_pmch_init(srsran_pmch_t* q, uint32_t max_prb, uint32_t nof_rx_antennas);
SRSRAN_API void srsran_pmch_free(srsran_pmch_t* q);
SRSRAN_API int srsran_pmch_set_cell(srsran_pmch_t* q, srsran_cell_t cell);
SRSRAN_API int srsran_pmch_set_area_id(srsran_pmch_t* q, uint16_t area_id);
SRSRAN_API void srsran_pmch_free_area_id(srsran_pmch_t* q, uint16_t area_id);
SRSRAN_API void srsran_configure_pmch(srsran_pmch_cfg_t* pmch_cfg, srsran_cell_t* cell, srsran_mbsfn_cfg_t* mbsfn_cfg);
SRSRAN_API int srsran_pmch_encode(srsran_pmch_t* q,
srsran_dl_sf_cfg_t* sf,
srsran_pmch_cfg_t* cfg,
uint8_t* data,
cf_t* sf_symbols[SRSRAN_MAX_PORTS]);
SRSRAN_API int srsran_pmch_decode(srsran_pmch_t* q,
srsran_dl_sf_cfg_t* sf,
srsran_pmch_cfg_t* cfg,
srsran_chest_dl_res_t* channel,
cf_t* sf_symbols[SRSRAN_MAX_PORTS],
srsran_pdsch_res_t* data);
#endif // SRSRAN_PMCH_H