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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 SRSLTE_SCHED_SIM_UE_H
#define SRSLTE_SCHED_SIM_UE_H
#include "sched_common_test_suite.h"
#include "srslte/interfaces/sched_interface.h"
#include <bitset>
namespace srsenb {
struct ue_harq_ctxt_t {
bool active = false;
bool ndi = false;
uint32_t pid = 0;
uint32_t nof_txs = 0;
uint32_t nof_retxs = 0;
uint32_t riv = 0;
srslte_dci_location_t dci_loc = {};
uint32_t tbs = 0;
srslte::tti_point last_tti_rx, first_tti_rx;
};
struct ue_cc_ctxt_t {
std::array<ue_harq_ctxt_t, SRSLTE_FDD_NOF_HARQ> dl_harqs;
std::array<ue_harq_ctxt_t, SRSLTE_FDD_NOF_HARQ> ul_harqs;
};
struct sim_ue_ctxt_t {
bool conres_rx = false;
uint16_t rnti;
uint32_t preamble_idx, msg3_riv;
srslte::tti_point prach_tti_rx, rar_tti_rx, msg3_tti_rx, msg4_tti_rx;
sched_interface::ue_cfg_t ue_cfg;
std::vector<ue_cc_ctxt_t> cc_list;
const sched_interface::ue_cfg_t::cc_cfg_t* get_cc_cfg(uint32_t enb_cc_idx) const;
int enb_to_ue_cc_idx(uint32_t enb_cc_idx) const;
bool is_msg3_harq(uint32_t ue_cc_idx, uint32_t pid) const;
bool is_last_ul_retx(uint32_t ue_cc_idx, uint32_t pid, uint32_t maxharq_msg3tx) const;
bool is_last_dl_retx(uint32_t ue_cc_idx, uint32_t pid) const;
};
struct sim_enb_ctxt_t {
const std::vector<sched_interface::cell_cfg_t>* cell_params;
std::map<uint16_t, const sim_ue_ctxt_t*> ue_db;
};
struct pucch_feedback {
struct cc_data {
uint32_t enb_cc_idx = 0;
int cqi = -1;
int pid = -1;
bool ack = false;
};
std::vector<cc_data> cc_list;
};
class ue_sim
{
public:
ue_sim(uint16_t rnti_,
const sched_interface::ue_cfg_t& ue_cfg_,
srslte::tti_point prach_tti_rx,
uint32_t preamble_idx);
void set_cfg(const sched_interface::ue_cfg_t& ue_cfg_);
int update(const sf_output_res_t& sf_out);
bool enqueue_pending_acks(srslte::tti_point tti_rx,
pucch_feedback& feedback_list,
std::bitset<SRSLTE_MAX_CARRIERS> ack_val);
const sim_ue_ctxt_t& get_ctxt() const { return ctxt; }
sim_ue_ctxt_t& get_ctxt() { return ctxt; }
private:
void update_conn_state(const sf_output_res_t& sf_out);
void update_dl_harqs(const sf_output_res_t& sf_out);
void update_ul_harqs(const sf_output_res_t& sf_out);
sim_ue_ctxt_t ctxt;
};
class ue_db_sim
{
public:
void add_user(uint16_t rnti,
const sched_interface::ue_cfg_t& ue_cfg_,
srslte::tti_point prach_tti_rx_,
uint32_t preamble_idx);
void ue_recfg(uint16_t rnti, const sched_interface::ue_cfg_t& ue_cfg_);
void rem_user(uint16_t rnti);
void update(const sf_output_res_t& sf_out);
std::map<uint16_t, const sim_ue_ctxt_t*> get_ues_ctxt() const;
ue_sim& at(uint16_t rnti) { return ue_db.at(rnti); }
const ue_sim& at(uint16_t rnti) const { return ue_db.at(rnti); }
private:
std::map<uint16_t, ue_sim> ue_db;
};
} // namespace srsenb
#endif // SRSLTE_SCHED_SIM_UE_H