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98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 SRSRAN_CHANNEL_H
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#define SRSRAN_CHANNEL_H
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#include "ch_awgn.h"
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#include "delay.h"
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#include "fading.h"
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#include "hst.h"
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#include "rlf.h"
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#include "srsran/phy/common/phy_common.h"
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#include "srsran/srslog/srslog.h"
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#include <memory>
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#include <string>
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namespace srsran {
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class channel
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{
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public:
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struct args_t {
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// General
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bool enable = false;
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// AWGN options
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bool awgn_enable = false;
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float awgn_signal_power_dBfs = 0.0f;
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float awgn_snr_dB = 30.0f;
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// Fading options
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bool fading_enable = false;
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std::string fading_model = "none";
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// High Speed Train options
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bool hst_enable = false;
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float hst_fd_hz = 750.0f;
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float hst_period_s = 7.2f;
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float hst_init_time_s = 0.0f;
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// Delay options
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bool delay_enable = false;
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float delay_min_us = 10;
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float delay_max_us = 100;
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float delay_period_s = 3600;
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float delay_init_time_s = 0;
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// RLF options
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bool rlf_enable = false;
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uint32_t rlf_t_on_ms = 10000;
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uint32_t rlf_t_off_ms = 2000;
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};
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channel(const args_t& channel_args, uint32_t _nof_channels, srslog::basic_logger& logger);
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~channel();
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void set_srate(uint32_t srate);
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void set_signal_power_dBfs(float power_dBfs);
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void run(cf_t* in[SRSRAN_MAX_CHANNELS], cf_t* out[SRSRAN_MAX_CHANNELS], uint32_t len, const srsran_timestamp_t& t);
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private:
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srslog::basic_logger& logger;
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float hst_init_phase = 0.0f;
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srsran_channel_fading_t* fading[SRSRAN_MAX_CHANNELS] = {};
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srsran_channel_delay_t* delay[SRSRAN_MAX_CHANNELS] = {};
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srsran_channel_awgn_t* awgn = nullptr;
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srsran_channel_hst_t* hst = nullptr;
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srsran_channel_rlf_t* rlf = nullptr;
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cf_t* buffer_in = nullptr;
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cf_t* buffer_out = nullptr;
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uint32_t nof_channels = 0;
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uint32_t current_srate = 0;
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args_t args = {};
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};
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typedef std::unique_ptr<channel> channel_ptr;
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} // namespace srsran
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#endif // SRSRAN_CHANNEL_H
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