mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
/**
|
|
*
|
|
* \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: pmch.h
|
|
*
|
|
* Description: Physical multicast channel
|
|
*
|
|
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 6.5
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSLTE_PMCH_H
|
|
#define SRSLTE_PMCH_H
|
|
|
|
#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/dci.h"
|
|
#include "srslte/phy/phch/regs.h"
|
|
#include "srslte/phy/phch/sch.h"
|
|
#include "srslte/phy/common/sequence.h"
|
|
|
|
typedef struct {
|
|
srslte_sequence_t seq[SRSLTE_NSUBFRAMES_X_FRAME];
|
|
} srslte_pmch_seq_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
srslte_cbsegm_t cb_segm;
|
|
srslte_ra_dl_grant_t grant;
|
|
srslte_ra_nbits_t nbits[SRSLTE_MAX_CODEWORDS];
|
|
uint32_t sf_idx;
|
|
} srslte_pmch_cfg_t;
|
|
|
|
/* PMCH object */
|
|
typedef struct SRSLTE_API {
|
|
srslte_cell_t cell;
|
|
|
|
uint32_t nof_rx_antennas;
|
|
|
|
uint32_t max_re;
|
|
|
|
/* buffers */
|
|
// void buffers are shared for tx and rx
|
|
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
|
|
cf_t *symbols[SRSLTE_MAX_PORTS];
|
|
cf_t *x[SRSLTE_MAX_PORTS];
|
|
cf_t *d;
|
|
void *e;
|
|
|
|
/* tx & rx objects */
|
|
srslte_modem_table_t mod[4];
|
|
|
|
// This is to generate the scrambling seq for multiple MBSFN Area IDs
|
|
srslte_pmch_seq_t **seqs;
|
|
|
|
srslte_sch_t dl_sch;
|
|
|
|
} srslte_pmch_t;
|
|
|
|
|
|
SRSLTE_API int srslte_pmch_init(srslte_pmch_t *q,
|
|
uint32_t max_prb);
|
|
|
|
SRSLTE_API int srslte_pmch_init_multi(srslte_pmch_t *q,
|
|
uint32_t max_prb,
|
|
uint32_t nof_rx_antennas);
|
|
|
|
SRSLTE_API void srslte_pmch_free(srslte_pmch_t *q);
|
|
|
|
|
|
|
|
SRSLTE_API int srslte_pmch_set_area_id(srslte_pmch_t *q, uint16_t area_id);
|
|
|
|
SRSLTE_API void srslte_pmch_free_area_id(srslte_pmch_t *q, uint16_t area_id);
|
|
|
|
|
|
|
|
SRSLTE_API int srslte_pmch_get(srslte_pmch_t *q, cf_t *sf_symbols, cf_t *symbols, uint32_t lstart);
|
|
|
|
SRSLTE_API int srslte_pmch_put(srslte_pmch_t *q, cf_t *symbols, cf_t *sf_symbols, uint32_t lstart);
|
|
|
|
SRSLTE_API int srslte_pmch_cp(srslte_pmch_t *q, cf_t *input, cf_t *output, uint32_t lstart_grant, bool put);
|
|
|
|
|
|
|
|
SRSLTE_API float srslte_pmch_coderate(uint32_t tbs,
|
|
uint32_t nof_re);
|
|
|
|
|
|
SRSLTE_API int srslte_pmch_cfg(srslte_pdsch_cfg_t *cfg,
|
|
srslte_cell_t cell,
|
|
srslte_ra_dl_grant_t *grant,
|
|
uint32_t cfi,
|
|
uint32_t sf_idx);
|
|
|
|
SRSLTE_API int srslte_pmch_encode(srslte_pmch_t *q,
|
|
srslte_pdsch_cfg_t *cfg,
|
|
srslte_softbuffer_tx_t *softbuffer,
|
|
uint8_t *data,
|
|
uint16_t area_id,
|
|
cf_t *sf_symbols[SRSLTE_MAX_PORTS]);
|
|
|
|
SRSLTE_API int srslte_pmch_decode(srslte_pmch_t *q,
|
|
srslte_pdsch_cfg_t *cfg,
|
|
srslte_softbuffer_rx_t *softbuffer,
|
|
cf_t *sf_symbols,
|
|
cf_t *ce[SRSLTE_MAX_PORTS],
|
|
float noise_estimate,
|
|
uint16_t area_id,
|
|
uint8_t *data);
|
|
|
|
SRSLTE_API int srslte_pmch_decode_multi(srslte_pmch_t *q,
|
|
srslte_pdsch_cfg_t *cfg,
|
|
srslte_softbuffer_rx_t *softbuffer,
|
|
cf_t *sf_symbols[SRSLTE_MAX_PORTS],
|
|
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
|
|
float noise_estimate,
|
|
uint16_t area_id,
|
|
uint8_t *data);
|
|
|
|
SRSLTE_API float srslte_pmch_average_noi(srslte_pmch_t *q);
|
|
|
|
SRSLTE_API uint32_t srslte_pmch_last_noi(srslte_pmch_t *q);
|
|
|
|
#endif // SRSLTE_PMCH_H
|