mirror of https://github.com/PentHertz/srsLTE.git
275 lines
9.0 KiB
C++
275 lines
9.0 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 SRSLTE_RRC_CELL_H
|
|
#define SRSLTE_RRC_CELL_H
|
|
|
|
#include "srslte/asn1/rrc.h"
|
|
#include "srslte/asn1/rrc_nr.h"
|
|
#include "srslte/asn1/rrc_nr_utils.h"
|
|
#include "srslte/asn1/rrc_utils.h"
|
|
#include "srslte/common/task_scheduler.h"
|
|
#include "srslte/interfaces/ue_rrc_interfaces.h"
|
|
#include "srslte/srslog/srslog.h"
|
|
#include <set>
|
|
|
|
namespace srsue {
|
|
|
|
inline std::string to_string(const phy_cell_t& c)
|
|
{
|
|
char buffer[64];
|
|
snprintf(buffer, 64, "{earfcn=%d, pci=%d}\n", c.earfcn, c.pci);
|
|
return {buffer};
|
|
}
|
|
|
|
class meas_cell
|
|
{
|
|
public:
|
|
const static int neighbour_timeout_ms = 5000;
|
|
|
|
explicit meas_cell(srslte::unique_timer timer);
|
|
meas_cell(const phy_cell_t& phy_cell_, srslte::unique_timer timer);
|
|
|
|
// comparison based on pci and earfcn
|
|
bool is_valid() const { return phy_cell.earfcn != 0 && srslte_cellid_isvalid(phy_cell.pci); }
|
|
bool equals(const meas_cell& x) { return equals(x.phy_cell.earfcn, x.phy_cell.pci); }
|
|
bool equals(uint32_t earfcn, uint32_t pci) { return earfcn == phy_cell.earfcn && pci == phy_cell.pci; }
|
|
|
|
// NaN means an RSRP value has not yet been obtained. Keep then in the list and clean them if never updated
|
|
bool greater(const meas_cell* x) const { return rsrp > x->rsrp || std::isnan(rsrp); }
|
|
bool greater(const meas_cell& x) const { return rsrp > x.rsrp || std::isnan(rsrp); }
|
|
|
|
void set_rsrp(float rsrp_)
|
|
{
|
|
if (!std::isnan(rsrp_)) {
|
|
rsrp = rsrp_;
|
|
}
|
|
timer.run();
|
|
}
|
|
void set_rsrq(float rsrq_)
|
|
{
|
|
if (!std::isnan(rsrq_)) {
|
|
rsrq = rsrq_;
|
|
}
|
|
}
|
|
void set_cfo(float cfo_Hz_)
|
|
{
|
|
if (not std::isnan(cfo_Hz_) && not std::isinf(cfo_Hz_)) {
|
|
phy_cell.cfo_hz = cfo_Hz_;
|
|
}
|
|
}
|
|
|
|
bool has_sib1() const { return has_valid_sib1; }
|
|
bool has_sib2() const { return has_valid_sib2; }
|
|
bool has_sib3() const { return has_valid_sib3; }
|
|
bool has_sib13() const { return has_valid_sib13; }
|
|
bool has_sib(uint32_t index) const;
|
|
bool has_sibs(srslte::span<const uint32_t> indexes) const;
|
|
|
|
bool is_sib_scheduled(uint32_t sib_index) const;
|
|
|
|
void reset_sibs()
|
|
{
|
|
has_valid_sib1 = false;
|
|
has_valid_sib2 = false;
|
|
has_valid_sib3 = false;
|
|
has_valid_sib13 = false;
|
|
}
|
|
|
|
uint32_t get_earfcn() const { return phy_cell.earfcn; }
|
|
uint32_t get_pci() const { return phy_cell.pci; }
|
|
|
|
float get_rsrp() const { return rsrp; }
|
|
float get_rsrq() const { return rsrq; }
|
|
float get_cfo_hz() const { return phy_cell.cfo_hz; }
|
|
|
|
phy_cell_t phy_cell = {0, 0, 0};
|
|
srslte::unique_timer timer;
|
|
|
|
protected:
|
|
float rsrp = NAN;
|
|
float rsrq = NAN;
|
|
|
|
bool has_valid_sib1 = false;
|
|
bool has_valid_sib2 = false;
|
|
bool has_valid_sib3 = false;
|
|
bool has_valid_sib13 = false;
|
|
std::map<uint32_t, uint32_t> sib_info_map; ///< map of sib_index to index of schedInfoList in SIB1
|
|
};
|
|
|
|
class meas_cell_nr : public meas_cell
|
|
{
|
|
public:
|
|
explicit meas_cell_nr(srslte::unique_timer timer) : meas_cell(std::move(timer)){};
|
|
meas_cell_nr(const phy_cell_t& phy_cell_, srslte::unique_timer timer) : meas_cell(phy_cell_, std::move(timer)){};
|
|
|
|
bool has_plmn_id(asn1::rrc_nr::plmn_id_s plmn_id) const;
|
|
uint32_t nof_plmns() const { return has_sib1() ? sib1.cell_access_related_info.plmn_id_list.size() : 0; }
|
|
srslte::plmn_id_t get_plmn(uint32_t idx) const;
|
|
|
|
void set_sib1(const asn1::rrc_nr::sib1_s& sib1_);
|
|
void set_sib2(const asn1::rrc_nr::sib2_s& sib2_);
|
|
void set_sib3(const asn1::rrc_nr::sib3_s& sib3_);
|
|
|
|
const asn1::rrc_nr::sib1_s* sib1ptr() const { return has_sib1() ? &sib1 : nullptr; }
|
|
const asn1::rrc_nr::sib2_s* sib2ptr() const { return has_sib2() ? &sib2 : nullptr; }
|
|
const asn1::rrc_nr::sib3_s* sib3ptr() const { return has_sib3() ? &sib3 : nullptr; }
|
|
|
|
uint32_t get_cell_id() const { return (uint32_t)0xFFFF; } // TODO find the correct sib
|
|
|
|
uint16_t get_mcc() const;
|
|
uint16_t get_mnc() const;
|
|
|
|
std::string to_string() const;
|
|
|
|
bool has_mcch = false;
|
|
asn1::rrc_nr::sib1_s sib1 = {};
|
|
asn1::rrc_nr::sib2_s sib2 = {};
|
|
asn1::rrc_nr::sib3_s sib3 = {};
|
|
asn1::rrc::mcch_msg_s mcch = {};
|
|
};
|
|
|
|
class meas_cell_eutra : public meas_cell
|
|
{
|
|
public:
|
|
explicit meas_cell_eutra(srslte::unique_timer timer) : meas_cell(std::move(timer)){};
|
|
meas_cell_eutra(const phy_cell_t& phy_cell_, srslte::unique_timer timer) : meas_cell(phy_cell_, std::move(timer)){};
|
|
|
|
bool has_plmn_id(asn1::rrc::plmn_id_s plmn_id) const;
|
|
uint32_t nof_plmns() const { return has_sib1() ? sib1.cell_access_related_info.plmn_id_list.size() : 0; }
|
|
srslte::plmn_id_t get_plmn(uint32_t idx) const;
|
|
|
|
uint16_t get_tac() const { return has_sib1() ? (uint16_t)sib1.cell_access_related_info.tac.to_number() : 0; }
|
|
|
|
void set_sib1(const asn1::rrc::sib_type1_s& sib1_);
|
|
void set_sib2(const asn1::rrc::sib_type2_s& sib2_);
|
|
void set_sib3(const asn1::rrc::sib_type3_s& sib3_);
|
|
void set_sib13(const asn1::rrc::sib_type13_r9_s& sib13_);
|
|
|
|
const asn1::rrc::sib_type1_s* sib1ptr() const { return has_sib1() ? &sib1 : nullptr; }
|
|
const asn1::rrc::sib_type2_s* sib2ptr() const { return has_sib2() ? &sib2 : nullptr; }
|
|
const asn1::rrc::sib_type3_s* sib3ptr() const { return has_sib3() ? &sib3 : nullptr; }
|
|
const asn1::rrc::sib_type13_r9_s* sib13ptr() const { return has_sib13() ? &sib13 : nullptr; }
|
|
|
|
uint32_t get_cell_id() const { return (uint32_t)sib1.cell_access_related_info.cell_id.to_number(); }
|
|
|
|
bool has_sib13() const { return has_valid_sib13; }
|
|
|
|
uint16_t get_mcc() const;
|
|
uint16_t get_mnc() const;
|
|
|
|
std::string to_string() const;
|
|
|
|
bool has_mcch = false;
|
|
asn1::rrc::sib_type1_s sib1 = {};
|
|
asn1::rrc::sib_type2_s sib2 = {};
|
|
asn1::rrc::sib_type3_s sib3 = {};
|
|
asn1::rrc::sib_type13_r9_s sib13 = {};
|
|
asn1::rrc::mcch_msg_s mcch = {};
|
|
|
|
private:
|
|
bool has_valid_sib13 = false;
|
|
};
|
|
|
|
//! Universal methods to extract pci/earfcn and compare the two values
|
|
template <typename T>
|
|
uint32_t get_pci(const T& t)
|
|
{
|
|
return t.pci;
|
|
}
|
|
template <>
|
|
inline uint32_t get_pci(const meas_cell_eutra& t)
|
|
{
|
|
return t.get_pci();
|
|
}
|
|
template <>
|
|
inline uint32_t get_pci(const meas_cell_nr& t)
|
|
{
|
|
return t.get_pci();
|
|
}
|
|
template <typename T>
|
|
uint32_t get_earfcn(const T& t)
|
|
{
|
|
return t.earfcn;
|
|
}
|
|
template <>
|
|
inline uint32_t get_earfcn(const meas_cell_eutra& t)
|
|
{
|
|
return t.get_earfcn();
|
|
}
|
|
template <>
|
|
inline uint32_t get_earfcn(const meas_cell_nr& t)
|
|
{
|
|
return t.get_earfcn();
|
|
}
|
|
template <typename T, typename U>
|
|
bool is_same_cell(const T& lhs, const U& rhs)
|
|
{
|
|
return get_pci(lhs) == get_pci(rhs) and get_earfcn(lhs) == get_earfcn(rhs);
|
|
}
|
|
template <class T>
|
|
class meas_cell_list
|
|
{
|
|
public:
|
|
const static int NEIGHBOUR_TIMEOUT = 5;
|
|
const static int MAX_NEIGHBOUR_CELLS = 8;
|
|
typedef std::unique_ptr<T> unique_meas_cell;
|
|
|
|
explicit meas_cell_list(srslte::task_sched_handle task_sched_);
|
|
|
|
bool add_meas_cell(const phy_meas_t& meas);
|
|
bool add_meas_cell(unique_meas_cell cell);
|
|
void rem_last_neighbour();
|
|
unique_meas_cell remove_neighbour_cell(uint32_t earfcn, uint32_t pci);
|
|
void clean_neighbours();
|
|
void sort_neighbour_cells();
|
|
|
|
bool process_new_cell_meas(const std::vector<phy_meas_t>& meas,
|
|
const std::function<void(T&, const phy_meas_t&)>& filter_meas);
|
|
|
|
T* get_neighbour_cell_handle(uint32_t earfcn, uint32_t pci);
|
|
const T* get_neighbour_cell_handle(uint32_t earfcn, uint32_t pci) const;
|
|
void log_neighbour_cells() const;
|
|
std::string print_neighbour_cells() const;
|
|
std::set<uint32_t> get_neighbour_pcis(uint32_t earfcn) const;
|
|
bool has_neighbour_cell(uint32_t earfcn, uint32_t pci) const;
|
|
size_t nof_neighbours() const { return neighbour_cells.size(); }
|
|
T& operator[](size_t idx) { return *neighbour_cells[idx]; }
|
|
const T& operator[](size_t idx) const { return *neighbour_cells[idx]; }
|
|
T& at(size_t idx) { return *neighbour_cells.at(idx); }
|
|
T* find_cell(uint32_t earfcn, uint32_t pci);
|
|
|
|
// serving cell handling
|
|
int set_serving_cell(phy_cell_t phy_cell, bool discard_serving);
|
|
|
|
T& serving_cell() { return *serv_cell; }
|
|
const T& serving_cell() const { return *serv_cell; }
|
|
|
|
using iterator = typename std::vector<unique_meas_cell>::iterator;
|
|
iterator begin() { return neighbour_cells.begin(); }
|
|
iterator end() { return neighbour_cells.end(); }
|
|
|
|
private:
|
|
bool add_neighbour_cell_unsorted(unique_meas_cell cell);
|
|
|
|
// args
|
|
srslog::basic_logger& logger = srslog::fetch_basic_logger("RRC");
|
|
srslte::task_sched_handle task_sched;
|
|
|
|
unique_meas_cell serv_cell;
|
|
std::vector<unique_meas_cell> neighbour_cells;
|
|
};
|
|
|
|
} // namespace srsue
|
|
|
|
#endif // SRSLTE_RRC_CELL_H
|