srsLTE/srsue/hdr/phy/scell/scell_recv.h

/**
 *
 * \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 SRSUE_SCELL_RECV_H
#define SRSUE_SCELL_RECV_H

#include "srsue/hdr/phy/phy_common.h"
#include <set>
#include <srsran/srsran.h>

namespace srsue {
namespace scell {

// Class to receive secondary cell
class scell_recv
{
public:
  explicit scell_recv(srslog::basic_logger& logger) : logger(logger) {}

  void init(uint32_t max_sf_window);
  void deinit();
  void reset();

  /**
   * @brief Find neighbour cells in a given buffer
   * @param input_buffer Provides the baseband samples
   * @param serving_cell Current serving cell
   * @param nof_sf Number of subframes contained in the baseband buffer
   * @param found_cell_ids Provides a set where to insert the found cell identifiers (PCIs)
   */
  void find_cells(const cf_t*          input_buffer,
                  const srsran_cell_t& serving_cell,
                  const uint32_t&      nof_sf,
                  std::set<uint32_t>&  found_cell_ids);

private:
  cf_t*                 sf_buffer[SRSRAN_MAX_PORTS] = {};
  srslog::basic_logger& logger;
  srsran_sync_t         sync_find = {};

  uint32_t current_fft_sz;
};

} // namespace scell
} // namespace srsue

#endif // SRSUE_SCELL_RECV_H