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.
83 lines
3.8 KiB
C
83 lines
3.8 KiB
C
/*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* 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: layermap.h
|
|
*
|
|
* Description: MIMO layer mapping and demapping.
|
|
* Single antenna, tx diversity and spatial multiplexing are
|
|
* supported.
|
|
*
|
|
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 6.3.3
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSLTE_LAYERMAP_H
|
|
#define SRSLTE_LAYERMAP_H
|
|
|
|
#include "srslte/config.h"
|
|
#include "srslte/phy/common/phy_common.h"
|
|
|
|
/* Generates the vector of layer-mapped symbols "x" based on the vector of data symbols "d"
|
|
*/
|
|
SRSLTE_API int srslte_layermap_single(cf_t* d, cf_t* x, int nof_symbols);
|
|
|
|
SRSLTE_API int srslte_layermap_diversity(cf_t* d, cf_t* x[SRSLTE_MAX_LAYERS], int nof_layers, int nof_symbols);
|
|
|
|
SRSLTE_API int srslte_layermap_multiplex(cf_t* d[SRSLTE_MAX_CODEWORDS],
|
|
cf_t* x[SRSLTE_MAX_LAYERS],
|
|
int nof_cw,
|
|
int nof_layers,
|
|
int nof_symbols[SRSLTE_MAX_CODEWORDS]);
|
|
|
|
SRSLTE_API int srslte_layermap_type(cf_t* d[SRSLTE_MAX_CODEWORDS],
|
|
cf_t* x[SRSLTE_MAX_LAYERS],
|
|
int nof_cw,
|
|
int nof_layers,
|
|
int nof_symbols[SRSLTE_MAX_CODEWORDS],
|
|
srslte_tx_scheme_t type);
|
|
|
|
/* Generates the vector of data symbols "d" based on the vector of layer-mapped symbols "x"
|
|
*/
|
|
SRSLTE_API int srslte_layerdemap_single(cf_t* x, cf_t* d, int nof_symbols);
|
|
|
|
SRSLTE_API int srslte_layerdemap_diversity(cf_t* x[SRSLTE_MAX_LAYERS], cf_t* d, int nof_layers, int nof_layer_symbols);
|
|
|
|
SRSLTE_API int srslte_layerdemap_multiplex(cf_t* x[SRSLTE_MAX_LAYERS],
|
|
cf_t* d[SRSLTE_MAX_CODEWORDS],
|
|
int nof_layers,
|
|
int nof_cw,
|
|
int nof_layer_symbols,
|
|
int nof_symbols[SRSLTE_MAX_CODEWORDS]);
|
|
|
|
SRSLTE_API int srslte_layerdemap_type(cf_t* x[SRSLTE_MAX_LAYERS],
|
|
cf_t* d[SRSLTE_MAX_CODEWORDS],
|
|
int nof_layers,
|
|
int nof_cw,
|
|
int nof_layer_symbols,
|
|
int nof_symbols[SRSLTE_MAX_CODEWORDS],
|
|
srslte_tx_scheme_t type);
|
|
|
|
SRSLTE_API int srslte_layermap_nr(cf_t** d, int nof_cw, cf_t** x, int nof_layers, uint32_t nof_re);
|
|
|
|
SRSLTE_API int srslte_layerdemap_nr(cf_t** d, int nof_cw, const cf_t** x, int nof_layers, uint32_t nof_re);
|
|
|
|
#endif // SRSLTE_LAYERMAP_H
|