#ifndef RAYLEIGH_FAD_H
#define RAYLEIGH_FAD_H

#include "spwtypes.h"

void initial_flat(FadParams	*fad_params);
Complex rayleigh_flat(Complex cpx_in, FadParams	*fad_params);

void initial_sel(RayParams *ray_params);
Complex rayleigh_sel(Complex cpx_in, RayParams *ray_params);
void free_rayleigh_sel(RayParams *ray_params);

void initial_gauss(GauParams *gauss_params, double chn_delay, double signal_pow, double chn_snr);
Complex awgn_channel(Complex cpx_in, GauParams *gauss_params);
void free_gauss(GauParams *gauss_params);

void initial_carrier_offset(FreqParams *freq_params, double freq_shift, double phase_ini);
Complex carrier_offset(Complex cpx_in, FreqParams *freq_params);

#endif