mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
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_INTRA_MEASURE_LTE_H
|
|
#define SRSRAN_INTRA_MEASURE_LTE_H
|
|
|
|
#include "intra_measure_base.h"
|
|
#include "scell_recv.h"
|
|
#include <srsran/srsran.h>
|
|
|
|
namespace srsue {
|
|
namespace scell {
|
|
|
|
/**
|
|
* @brief Describes a class for performing LTE intra-frequency cell search and measurement
|
|
*/
|
|
class intra_measure_lte : public intra_measure_base
|
|
{
|
|
public:
|
|
/**
|
|
* @brief Constructor
|
|
* @param logger Logging object
|
|
* @param new_meas_itf_ Interface to report measurement to higher layers
|
|
*/
|
|
intra_measure_lte(srslog::basic_logger& logger, meas_itf& new_meas_itf_);
|
|
|
|
/**
|
|
* @brief Destructor
|
|
*/
|
|
~intra_measure_lte() override;
|
|
|
|
/**
|
|
* @brief Initialises LTE specific measurement objects
|
|
* @param args Configuration arguments
|
|
*/
|
|
void init(uint32_t cc_idx, const args_t& args);
|
|
|
|
/**
|
|
* @brief Sets the primary cell and selects LTE operation mode, configures the cell bandwidth and sampling rate
|
|
* @param earfcn Frequency the component is receiving base-band from. Used only for reporting the EARFCN to the RRC
|
|
* @param cell Actual cell configuration
|
|
*/
|
|
void set_primary_cell(uint32_t earfcn, srsran_cell_t cell);
|
|
|
|
/**
|
|
* @brief Get EARFCN of this component
|
|
* @return EARFCN
|
|
*/
|
|
uint32_t get_earfcn() const override { return current_earfcn; };
|
|
|
|
private:
|
|
/**
|
|
* @brief Provides with the RAT to the base class
|
|
* @return The RAT measured by this class which is LTE
|
|
*/
|
|
srsran::srsran_rat_t get_rat() const override { return srsran::srsran_rat_t::lte; }
|
|
|
|
/**
|
|
* @brief LTE specific measurement process
|
|
* @param context Measurement context
|
|
* @param buffer Provides the baseband buffer to perform the measurements
|
|
*/
|
|
void measure_rat(const measure_context_t& context, std::vector<cf_t>& buffer) override;
|
|
|
|
srslog::basic_logger& logger;
|
|
srsran_cell_t serving_cell = {}; ///< Current serving cell in the EARFCN, to avoid reporting it
|
|
uint32_t current_earfcn; ///< Current EARFCN
|
|
|
|
/// LTE-based measuring objects
|
|
scell_recv scell_rx; ///< Secondary cell searcher
|
|
srsran_refsignal_dl_sync_t refsignal_dl_sync = {}; ///< Reference signal based measurement
|
|
};
|
|
|
|
} // namespace scell
|
|
} // namespace srsue
|
|
|
|
#endif // SRSRAN_INTRA_MEASURE_LTE_H
|