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132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/**
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* Copyright 2013-2021 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 SRSENB_CC_WORKER_H
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#define SRSENB_CC_WORKER_H
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#include <string.h>
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#include "../phy_common.h"
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#include "srsran/srslog/srslog.h"
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#define LOG_EXECTIME
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namespace srsenb {
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namespace lte {
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class cc_worker
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{
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public:
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cc_worker(srslog::basic_logger& logger);
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~cc_worker();
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void init(phy_common* phy, uint32_t cc_idx);
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void reset();
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cf_t* get_buffer_rx(uint32_t antenna_idx);
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cf_t* get_buffer_tx(uint32_t antenna_idx);
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void set_tti(uint32_t tti);
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int add_rnti(uint16_t rnti);
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void rem_rnti(uint16_t rnti);
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uint32_t get_nof_rnti();
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/* These are used by the GUI plotting tools */
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int read_ce_abs(float* ce_abs);
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int read_ce_arg(float* ce_abs);
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int read_pusch_d(cf_t* pusch_d);
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int read_pucch_d(cf_t* pusch_d);
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void start_plot();
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void work_ul(const srsran_ul_sf_cfg_t& ul_sf, stack_interface_phy_lte::ul_sched_t& ul_grants);
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void work_dl(const srsran_dl_sf_cfg_t& dl_sf_cfg,
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stack_interface_phy_lte::dl_sched_t& dl_grants,
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stack_interface_phy_lte::ul_sched_t& ul_grants,
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srsran_mbsfn_cfg_t* mbsfn_cfg);
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uint32_t get_metrics(std::vector<phy_metrics_t>& metrics);
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private:
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constexpr static float PUSCH_RL_SNR_DB_TH = 1.0f;
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constexpr static float PUCCH_RL_CORR_TH = 0.15f;
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int encode_pdsch(stack_interface_phy_lte::dl_sched_grant_t* grants, uint32_t nof_grants);
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int encode_pmch(stack_interface_phy_lte::dl_sched_grant_t* grant, srsran_mbsfn_cfg_t* mbsfn_cfg);
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void decode_pusch_rnti(stack_interface_phy_lte::ul_sched_grant_t& ul_grant,
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srsran_ul_cfg_t& ul_cfg,
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srsran_pusch_res_t& pusch_res);
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void decode_pusch(stack_interface_phy_lte::ul_sched_grant_t* grants, uint32_t nof_pusch);
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int encode_phich(stack_interface_phy_lte::ul_sched_ack_t* acks, uint32_t nof_acks);
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int encode_pdcch_dl(stack_interface_phy_lte::dl_sched_grant_t* grants, uint32_t nof_grants);
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int encode_pdcch_ul(stack_interface_phy_lte::ul_sched_grant_t* grants, uint32_t nof_grants);
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int decode_pucch();
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/* Common objects */
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srslog::basic_logger& logger;
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phy_common* phy = nullptr;
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bool initiated = false;
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cf_t* signal_buffer_rx[SRSRAN_MAX_PORTS] = {};
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cf_t* signal_buffer_tx[SRSRAN_MAX_PORTS] = {};
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uint32_t tti_rx = 0, tti_tx_dl = 0, tti_tx_ul = 0;
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srsran_enb_dl_t enb_dl = {};
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srsran_enb_ul_t enb_ul = {};
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srsran_dl_sf_cfg_t dl_sf = {};
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srsran_ul_sf_cfg_t ul_sf = {};
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srsran_softbuffer_tx_t temp_mbsfn_softbuffer = {};
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// Class to store user information
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class ue
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{
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public:
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explicit ue(uint16_t rnti_) : rnti(rnti_)
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{
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// Do nothing
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}
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srsran_phich_grant_t phich_grant = {};
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void metrics_read(phy_metrics_t* metrics);
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void metrics_dl(uint32_t mcs);
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void metrics_ul(uint32_t mcs, float rssi, float sinr, float turbo_iters);
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void metrics_ul_pucch(float sinr);
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uint32_t get_rnti() const { return rnti; }
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private:
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uint32_t rnti = 0;
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phy_metrics_t metrics = {};
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};
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// Component carrier index
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uint32_t cc_idx = 0;
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// Each worker keeps a local copy of the user database. Uses more memory but more efficient to manage concurrency
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std::map<uint16_t, ue*> ue_db;
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std::mutex mutex;
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};
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} // namespace lte
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} // namespace srsenb
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#endif // SRSENB_CC_WORKER_H
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