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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 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 SRSRAN_SCHED_NR_UE_H
#define SRSRAN_SCHED_NR_UE_H
#include "sched_nr_cfg.h"
#include "sched_nr_harq.h"
#include "sched_nr_interface.h"
#include "srsran/adt/circular_map.h"
#include "srsran/adt/move_callback.h"
#include "srsran/adt/pool/cached_alloc.h"
namespace srsenb {
namespace sched_nr_impl {
class ue_carrier;
class slot_ue
{
public:
slot_ue() = default;
explicit slot_ue(uint16_t rnti_, slot_point slot_rx_, uint32_t cc);
slot_ue(slot_ue&&) noexcept = default;
slot_ue& operator=(slot_ue&&) noexcept = default;
bool empty() const { return rnti == SCHED_NR_INVALID_RNTI; }
void release() { rnti = SCHED_NR_INVALID_RNTI; }
uint16_t rnti = SCHED_NR_INVALID_RNTI;
slot_point slot_rx;
uint32_t cc = SCHED_NR_MAX_CARRIERS;
// UE parameters common to all sectors
bool pending_sr;
// UE parameters that are sector specific
const bwp_ue_cfg* cfg = nullptr;
slot_point pdcch_slot;
slot_point pdsch_slot;
slot_point pusch_slot;
slot_point uci_slot;
uint32_t dl_cqi;
uint32_t ul_cqi;
dl_harq_proc* h_dl = nullptr;
ul_harq_proc* h_ul = nullptr;
};
class ue_carrier
{
public:
ue_carrier(uint16_t rnti, const ue_cfg_t& cfg, const sched_cell_params& cell_params_);
void new_slot(slot_point pdcch_slot, const ue_cfg_t& uecfg_);
slot_ue try_reserve(slot_point pdcch_slot);
const uint16_t rnti;
const uint32_t cc;
// Channel state
uint32_t dl_cqi = 1;
uint32_t ul_cqi = 0;
harq_entity harq_ent;
private:
bwp_ue_cfg bwp_cfg;
const sched_cell_params& cell_params;
};
class ue
{
public:
ue(uint16_t rnti, const ue_cfg_t& cfg, const sched_params& sched_cfg_);
slot_ue try_reserve(slot_point pdcch_slot, uint32_t cc);
void set_cfg(const ue_cfg_t& cfg);
const ue_cfg_t& cfg() const { return ue_cfg; }
void ul_sr_info(slot_point slot_rx) { pending_sr = true; }
bool has_ca() const { return ue_cfg.carriers.size() > 1; }
uint32_t pcell_cc() const { return ue_cfg.carriers[0].cc; }
std::array<std::unique_ptr<ue_carrier>, SCHED_NR_MAX_CARRIERS> carriers;
private:
const uint16_t rnti;
const sched_params& sched_cfg;
bool pending_sr = false;
ue_cfg_t ue_cfg;
};
using ue_map_t = srsran::static_circular_map<uint16_t, std::unique_ptr<ue>, SCHED_NR_MAX_USERS>;
using slot_ue_map_t = srsran::static_circular_map<uint16_t, slot_ue, SCHED_NR_MAX_USERS>;
} // namespace sched_nr_impl
} // namespace srsenb
#endif // SRSRAN_SCHED_NR_UE_H