owlps/owlps-positioning/src/fbcm.cc

#include "fbcm.hh"



float FBCM::estimate_distance(const Measurement &measurement)
{
  double constant_term = make_constant_term(measurement) ;
  const float &average_ss = measurement.get_average_ss() ;
  const AccessPoint *ap = measurement.get_ap() ;
  return pow(10, (constant_term - average_ss) /
             (10 * friis_index(ap))) ;
}


inline float FBCM::friis_index(const AccessPoint *const ap) const
{
  return ap->get_friis_index() ;
}