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srsRAN_4G/lte/examples/cell_search_utils.h

55 lines
1.9 KiB
C

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2014 The libLTE Developers. See the
* COPYRIGHT file at the top-level directory of this distribution.
*
* \section LICENSE
*
* This file is part of the libLTE library.
*
* libLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* libLTE 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 Lesser General Public License for more details.
*
* A copy of the GNU Lesser 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/.
*
*/
#include "liblte/phy/phy.h"
typedef struct LIBLTE_API {
uint32_t nof_frames_total; // maximum number of 5ms frames to capture
float threshold; // early-stops cell detection if mean PSR is above this value
}cell_detect_cfg_t;
int decode_pbch(void *uhd,
ue_celldetect_result_t *found_cell,
uint32_t nof_frames_total,
uint8_t bch_payload[BCH_PAYLOAD_LEN],
uint32_t *nof_tx_ports,
uint32_t *sfn_offset);
int detect_all_cells(cell_detect_cfg_t *config,
void *uhd,
ue_celldetect_result_t found_cell[3]);
int detect_cell(cell_detect_cfg_t *config,
void *uhd,
ue_celldetect_result_t *found_cell,
uint32_t N_id_2);
int detect_and_decode_cell(cell_detect_cfg_t *config,
void *uhd,
int force_N_id_2,
lte_cell_t *cell);