awgn.h

在无线网络的接收机端

#ifndef AWGN_h
#define AWGN_h

struct AWGN
{
	int ix;
	int iy;
	int iz;
	double snr;
	double rate;
	double sigma;
	double I_sigma;
};

long s1,s2;
double random_u(struct AWGN *gauss);
double gauss_generate(struct AWGN *gauss);
int generate_binary_source();
double random_source();
void awgn_channel(double *input,double *output,struct AWGN *gauss,int len);
void Graymap16QAM(double *inputbit,double *out_I,double *out_Q,int bitlen);
int LLR(double receive);
void Demode(double *out_I,double *out_Q,double *outbit,int len);

#endif