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145 lines
4.3 KiB
C++
145 lines
4.3 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 SRSENB_PHCH_WORKER_H
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#define SRSENB_PHCH_WORKER_H
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#include <string.h>
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#include "phy_common.h"
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#include "srslte/srslte.h"
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#define LOG_EXECTIME
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namespace srsenb {
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class sf_worker : public srslte::thread_pool::worker
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{
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public:
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sf_worker();
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void init(phy_common* phy, srslte::log* log_h);
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void stop();
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void reset();
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cf_t* get_buffer_rx(uint32_t antenna_idx);
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void set_time(uint32_t tti, uint32_t tx_worker_cnt, srslte_timestamp_t tx_time);
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int add_rnti(uint16_t rnti, bool is_temporal);
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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 set_config_dedicated(uint16_t rnti, asn1::rrc::phys_cfg_ded_s* dedicated);
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uint32_t get_metrics(phy_metrics_t metrics[ENB_METRICS_MAX_USERS]);
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private:
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constexpr static float PUSCH_RL_SNR_DB_TH = 1.0;
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constexpr static float PUCCH_RL_CORR_TH = 0.15;
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void work_imp();
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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, srslte_mbsfn_cfg_t* mbsfn_cfg);
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int 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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void send_uci_data(uint16_t rnti, srslte_uci_cfg_t* uci_cfg, srslte_uci_value_t* uci_value);
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bool fill_uci_cfg(uint16_t rnti, bool aperiodic_cqi_request, srslte_uci_cfg_t* uci_cfg);
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/* Common objects */
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srslte::log* log_h;
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phy_common* phy;
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bool initiated;
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bool running;
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cf_t* signal_buffer_rx[SRSLTE_MAX_PORTS];
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cf_t* signal_buffer_tx[SRSLTE_MAX_PORTS];
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uint32_t tti_rx, tti_tx_dl, tti_tx_ul;
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uint32_t t_rx, t_tx_dl, t_tx_ul;
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uint32_t tx_worker_cnt;
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srslte_timestamp_t tx_time;
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srslte_enb_dl_t enb_dl;
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srslte_enb_ul_t enb_ul;
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srslte_dl_sf_cfg_t dl_sf;
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srslte_ul_sf_cfg_t ul_sf;
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srslte_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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ue(uint16_t rnti, phy_common* phy) : is_grant_available(false), rnti(0)
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{
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ZERO_OBJECT(phich_grant);
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ZERO_OBJECT(metrics);
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bzero(&metrics, sizeof(phy_metrics_t));
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// Copy common configuartion
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ul_cfg = phy->ul_cfg_com;
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dl_cfg = phy->dl_cfg_com;
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// Fill RNTI
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this->rnti = rnti;
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dl_cfg.pdsch.rnti = rnti;
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ul_cfg.pusch.rnti = rnti;
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ul_cfg.pucch.rnti = rnti;
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}
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bool is_grant_available;
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srslte_phich_grant_t phich_grant;
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srslte_dl_cfg_t dl_cfg;
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srslte_ul_cfg_t ul_cfg;
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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, uint32_t turbo_iters);
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private:
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uint32_t rnti;
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phy_metrics_t metrics;
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};
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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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// mutex to protect worker_imp() from configuration interface
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pthread_mutex_t mutex;
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bool is_worker_running;
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};
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} // namespace srsenb
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#endif // SRSENB_PHCH_WORKER_H
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