srsLTE/srsenb/hdr/phy/lte/cc_worker.h

124 lines
3.7 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSENB_CC_WORKER_H
#define SRSENB_CC_WORKER_H
#include <string.h>
#include "../phy_common.h"
#include "srslte/srslog/srslog.h"
#define LOG_EXECTIME
namespace srsenb {
namespace lte {
class cc_worker
{
public:
cc_worker(srslog::basic_logger& logger);
~cc_worker();
void init(phy_common* phy, uint32_t cc_idx);
void reset();
cf_t* get_buffer_rx(uint32_t antenna_idx);
cf_t* get_buffer_tx(uint32_t antenna_idx);
void set_tti(uint32_t tti);
int add_rnti(uint16_t rnti);
void rem_rnti(uint16_t rnti);
int pregen_sequences(uint16_t rnti);
uint32_t get_nof_rnti();
/* These are used by the GUI plotting tools */
int read_ce_abs(float* ce_abs);
int read_ce_arg(float* ce_abs);
int read_pusch_d(cf_t* pusch_d);
int read_pucch_d(cf_t* pusch_d);
void start_plot();
void work_ul(const srslte_ul_sf_cfg_t& ul_sf, stack_interface_phy_lte::ul_sched_t& ul_grants);
void work_dl(const srslte_dl_sf_cfg_t& dl_sf_cfg,
stack_interface_phy_lte::dl_sched_t& dl_grants,
stack_interface_phy_lte::ul_sched_t& ul_grants,
srslte_mbsfn_cfg_t* mbsfn_cfg);
uint32_t get_metrics(std::vector<phy_metrics_t>& metrics);
private:
constexpr static float PUSCH_RL_SNR_DB_TH = 1.0f;
constexpr static float PUCCH_RL_CORR_TH = 0.15f;
int encode_pdsch(stack_interface_phy_lte::dl_sched_grant_t* grants, uint32_t nof_grants);
int encode_pmch(stack_interface_phy_lte::dl_sched_grant_t* grant, srslte_mbsfn_cfg_t* mbsfn_cfg);
void decode_pusch_rnti(stack_interface_phy_lte::ul_sched_grant_t& ul_grant,
srslte_ul_cfg_t& ul_cfg,
srslte_pusch_res_t& pusch_res);
void decode_pusch(stack_interface_phy_lte::ul_sched_grant_t* grants, uint32_t nof_pusch);
int encode_phich(stack_interface_phy_lte::ul_sched_ack_t* acks, uint32_t nof_acks);
int encode_pdcch_dl(stack_interface_phy_lte::dl_sched_grant_t* grants, uint32_t nof_grants);
int encode_pdcch_ul(stack_interface_phy_lte::ul_sched_grant_t* grants, uint32_t nof_grants);
int decode_pucch();
/* Common objects */
srslog::basic_logger& logger;
phy_common* phy = nullptr;
bool initiated = false;
cf_t* signal_buffer_rx[SRSLTE_MAX_PORTS] = {};
cf_t* signal_buffer_tx[SRSLTE_MAX_PORTS] = {};
uint32_t tti_rx = 0, tti_tx_dl = 0, tti_tx_ul = 0;
srslte_enb_dl_t enb_dl = {};
srslte_enb_ul_t enb_ul = {};
srslte_dl_sf_cfg_t dl_sf = {};
srslte_ul_sf_cfg_t ul_sf = {};
srslte_softbuffer_tx_t temp_mbsfn_softbuffer = {};
// Class to store user information
class ue
{
public:
explicit ue(uint16_t rnti_) : rnti(rnti_)
{
// Do nothing
}
srslte_phich_grant_t phich_grant = {};
void metrics_read(phy_metrics_t* metrics);
void metrics_dl(uint32_t mcs);
void metrics_ul(uint32_t mcs, float rssi, float sinr, float turbo_iters);
void metrics_ul_pucch(float sinr);
uint32_t get_rnti() const { return rnti; }
private:
uint32_t rnti = 0;
phy_metrics_t metrics = {};
};
// Component carrier index
uint32_t cc_idx = 0;
// Each worker keeps a local copy of the user database. Uses more memory but more efficient to manage concurrency
std::map<uint16_t, ue*> ue_db;
std::mutex mutex;
};
} // namespace lte
} // namespace srsenb
#endif // SRSENB_CC_WORKER_H