mirror of https://github.com/PentHertz/srsLTE.git
204 lines
8.7 KiB
C++
204 lines
8.7 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_RRC_MEAS_H_
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#define SRSRAN_RRC_MEAS_H_
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#include "srsran/asn1/rrc.h"
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#include "srsran/asn1/rrc_utils.h"
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#include "srsran/common/common.h"
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#include "srsran/interfaces/ue_interfaces.h"
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#include "srsue/hdr/stack/rrc/rrc.h"
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#include <map>
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#include <set>
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namespace srsue {
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using namespace asn1::rrc;
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typedef std::vector<phy_cell_t> cell_triggered_t;
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// TODO make this agnostic with srsenb
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meas_obj_to_add_mod_s* find_meas_obj_map(std::map<uint32_t, meas_obj_to_add_mod_s>& l, uint32_t earfcn);
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// RRC Measurements class
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class rrc::rrc_meas
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{
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public:
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rrc_meas() : meas_cfg(&meas_report_list), meas_report_list(&meas_cfg), logger(srslog::fetch_basic_logger("RRC")) {}
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void init(rrc* rrc_ptr);
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void reset();
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bool parse_meas_config(const rrc_conn_recfg_r8_ies_s* meas_config, bool is_ho_reest = false, uint32_t src_earfcn = 0);
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void ho_reest_actions(const uint32_t src_earfcn, const uint32_t dst_earfcn);
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void run_tti();
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void update_phy();
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float rsrp_filter(const float new_value, const float avg_value);
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float rsrq_filter(const float new_value, const float avg_value);
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private:
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typedef struct {
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float rsrp;
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float rsrq;
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} phy_quant_t;
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typedef enum { eutra, inter_rat } report_type_t;
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class var_meas_cfg;
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class var_meas_report_list
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{
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public:
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var_meas_report_list(var_meas_cfg* meas_cfg_) : meas_cfg(meas_cfg_), logger(srslog::fetch_basic_logger("RRC")) {}
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void init(rrc* rrc);
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void generate_report(const uint32_t measId);
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void remove_all_varmeas_reports();
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void remove_varmeas_report(const uint32_t measId);
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bool is_timer_expired(const uint32_t measId);
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void set_measId(const uint32_t measId,
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const uint32_t carrier_freq,
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const report_cfg_eutra_s& report_cfg,
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const cell_triggered_t& cell_triggered_list);
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void set_measId(const uint32_t measId,
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const uint32_t carrier_freq,
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const report_cfg_inter_rat_s& report_cfg,
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const cell_triggered_t& cell_triggered_list);
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void upd_measId(const uint32_t measId, const cell_triggered_t& cell_triggered_list);
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cell_triggered_t get_measId_cells(const uint32_t measId);
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private:
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void generate_report_eutra(meas_results_s* report, const uint32_t measId);
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void generate_report_interrat(meas_results_s* report, const uint32_t measId);
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class var_meas_report
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{
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public:
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report_type_t report_type = eutra;
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uint32_t carrier_freq = 0;
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uint8_t nof_reports_sent = 0;
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cell_triggered_t cell_triggered_list = {};
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report_cfg_eutra_s report_cfg_eutra = {};
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report_cfg_inter_rat_s report_cfg_inter = {};
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srsran::timer_handler::unique_timer periodic_timer = {};
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};
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var_meas_cfg* meas_cfg = nullptr;
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srslog::basic_logger& logger;
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rrc* rrc_ptr = nullptr;
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std::map<uint32_t, var_meas_report> varMeasReportList;
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};
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// The UE variable VarMeasConfig includes the accumulated configuration of the measurements to be performed by the
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// UE, covering intra-frequency, inter-frequency and inter-RAT mobility related measurements.
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class var_meas_cfg
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{
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public:
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var_meas_cfg(var_meas_report_list* meas_report_) :
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meas_report(meas_report_), logger(srslog::fetch_basic_logger("RRC"))
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{}
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void init(rrc* rrc);
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void reset();
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phy_quant_t get_filter_a();
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void remove_measId(const uint32_t measId);
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std::list<meas_obj_to_add_mod_s> get_active_objects();
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void ho_reest_finish(const uint32_t src_earfcn, const uint32_t dst_earfcn);
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bool parse_meas_config(const meas_cfg_s* meas_config, bool is_ho_reest, uint32_t src_earfcn);
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void eval_triggers();
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void report_triggers();
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private:
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void remove_varmeas_report(const uint32_t meas_id);
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void measObject_removal(const meas_obj_to_rem_list_l& list);
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void measObject_addmod(const meas_obj_to_add_mod_list_l& list);
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void reportConfig_removal(const report_cfg_to_rem_list_l& list);
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void reportConfig_addmod(const report_cfg_to_add_mod_list_l& list);
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void measId_removal(const meas_id_to_rem_list_l& list);
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void measId_addmod(const meas_id_to_add_mod_list_l& list);
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void quantity_config(const quant_cfg_s& cfg);
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void log_debug_trigger_value_eutra(const eutra_event_s::event_id_c_& e);
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void log_debug_trigger_value_interrat(const report_cfg_inter_rat_s::trigger_type_c_::event_s_::event_id_c_& e);
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static bool is_rsrp(report_cfg_eutra_s::trigger_quant_opts::options q);
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// Helpers
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void measObject_addmod_eutra(const meas_obj_to_add_mod_s& l);
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void measObject_addmod_nr_r15(const meas_obj_to_add_mod_s& l);
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void reportConfig_addmod_eutra(const report_cfg_to_add_mod_s& l);
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void reportConfig_addmod_interrat(const report_cfg_to_add_mod_s& l);
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bool reportConfig_addmod_to_reportConfigList(const report_cfg_to_add_mod_s& l);
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void eval_triggers_eutra(uint32_t meas_id,
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report_cfg_eutra_s& report_cfg,
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meas_obj_eutra_s& meas_obj,
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meas_cell_eutra* serv_cell,
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float Ofs,
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float Ocs);
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void report_triggers_eutra(uint32_t meas_id, report_cfg_eutra_s& report_cfg, meas_obj_eutra_s& meas_obj);
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void report_triggers_eutra_check_new(int32_t meas_id, report_cfg_eutra_s& report_cfg, meas_obj_eutra_s& meas_obj);
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void report_triggers_eutra_check_leaving(int32_t meas_id, report_cfg_eutra_s& report_cfg);
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void report_triggers_eutra_removing_trigger(int32_t meas_id);
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void eval_triggers_interrat_nr(uint32_t meas_id, report_cfg_inter_rat_s& report_cfg, meas_obj_nr_r15_s& meas_obj);
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void report_triggers_interrat_nr(uint32_t meas_id, report_cfg_inter_rat_s& report_cfg, meas_obj_nr_r15_s& meas_obj);
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void report_triggers_interrat_check_new(int32_t meas_id,
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report_cfg_inter_rat_s& report_cfg,
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meas_obj_nr_r15_s& meas_obj);
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void report_triggers_interrat_check_leaving(int32_t meas_id, report_cfg_inter_rat_s& report_cfg);
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void report_triggers_interrat_removing_trigger(int32_t meas_id);
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class cell_trigger_state
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{
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public:
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void event_condition(const bool enter, const bool exit);
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bool is_enter_equal(const uint32_t nof_tti);
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bool is_exit_equal(const uint32_t nof_tti);
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private:
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uint32_t nof_tti_enter = 0;
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uint32_t nof_tti_exit = 0;
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};
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// varMeasConfig data
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std::map<uint32_t, meas_id_to_add_mod_s> measIdList; // Uses MeasId as key
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std::map<uint32_t, meas_obj_to_add_mod_s> measObjectsList; // Uses MeasObjectId as key
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std::map<uint32_t, report_cfg_to_add_mod_s> reportConfigList; // Uses ReportConfigId as key
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phy_quant_t filter_a = {1.0, 1.0}; // disable filtering until quantityConfig is received (see Sec. 5.5.3.2 Note 2)
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float s_measure_value = 0.0;
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// trigger counters. First key is measId, second key is cell id (pci)
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// It is safe to use [] operator in this double-map because all members are uint32_t
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std::map<uint32_t, std::map<uint32_t, cell_trigger_state> > trigger_state;
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std::map<uint32_t, std::map<uint32_t, cell_trigger_state> > trigger_state_nr;
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var_meas_report_list* meas_report = nullptr;
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srslog::basic_logger& logger;
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rrc* rrc_ptr = nullptr;
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};
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std::mutex meas_cfg_mutex;
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var_meas_cfg meas_cfg;
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var_meas_report_list meas_report_list;
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srslog::basic_logger& logger;
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rrc* rrc_ptr = nullptr;
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// Static functions
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static uint8_t value_to_range_nr(const asn1::rrc::thres_nr_r15_c::types_opts::options type, const float value);
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static float range_to_value_nr(const asn1::rrc::thres_nr_r15_c::types_opts::options type, const uint8_t range);
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static uint8_t offset_val(const meas_obj_eutra_s& meas_obj);
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static asn1::dyn_array<cells_to_add_mod_s>::iterator find_pci_in_meas_obj(meas_obj_eutra_s& meas_obj, uint32_t pci);
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};
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} // namespace srsue
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#endif // SRSRAN_SRSUE_HDR_STACK_RRC_RRC_MEAS_H_
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