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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* Copyright 2013-2019 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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#ifndef SRSUE_MEASURE_RECV_H
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#define SRSUE_MEASURE_RECV_H
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#include <srslte/srslte.h>
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#include "srsue/hdr/phy/phy_common.h"
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namespace srsue {
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namespace scell {
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// Class to perform cell measurements
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class measure
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{
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// TODO: This class could early stop once the variance between the last N measurements is below 3GPP requirements
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public:
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typedef enum { IDLE, MEASURE_OK, ERROR } ret_code;
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~measure();
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void init(cf_t* buffer[SRSLTE_MAX_PORTS],
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srslte::log* log_h,
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uint32_t nof_rx_antennas,
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phy_common* worker_com,
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uint32_t nof_subframes = RSRP_MEASURE_NOF_FRAMES);
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void reset();
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void set_cell(srslte_cell_t cell);
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ret_code run_subframe(uint32_t sf_idx);
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ret_code run_multiple_subframes(cf_t* buffer, uint32_t offset, uint32_t sf_idx, uint32_t nof_sf);
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float rssi();
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float rsrp();
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float rsrq();
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float snr();
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uint32_t frame_st_idx();
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void set_rx_gain_offset(float rx_gain_offset);
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private:
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srslte::log* log_h;
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srslte_ue_dl_t ue_dl;
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srslte_ue_dl_cfg_t ue_dl_cfg;
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cf_t* buffer[SRSLTE_MAX_PORTS];
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uint32_t cnt;
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uint32_t nof_subframes;
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uint32_t current_prb;
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float rx_gain_offset;
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float mean_rsrp, mean_rsrq, mean_snr, mean_rssi;
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uint32_t final_offset;
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const static int RSRP_MEASURE_NOF_FRAMES = 5;
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};
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} // namespace scell
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} // namespace srsue
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#endif // SRSUE_MEASURE_RECV_H
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