hannelclass.h

这是一个基于WCDMA系统的 MIMO－OFDM下行链路的仿真模型。

// hannelClass.h: interface for the ChannelClass class.
//
// Copyright 2002 The Mobile and Portable Radio Research Group
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_HANNELCLASS_H__BEEB3F69_9D69_4539_9C54_BF3E8E522386__INCLUDED_)
#define AFX_HANNELCLASS_H__BEEB3F69_9D69_4539_9C54_BF3E8E522386__INCLUDED_

//#include "Complex.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define SWAP(a,b) temp = (a); (a) = (b); (b) = temp
#define TWO_PI 6.28318530717959
#define SPEED_OF_LIGHT 3e8
#define FREQUENCY 1980
#define CHIPS_PER_FRAME 38400
#define FRAME_DURATION 10e-3
#define FADE_SIGNAL_LENGTH	65536
#define FADE_SAMPLE_RATE	9600.00
#define CHIPS_PER_FADE_SAMPLES 400
#define ROOT2 1.41421356237310


class ChannelClass  
{
public:
	unsigned MultipathSignalLength;
	void NoiseGenerator();
	void Combiner(ComplexNumber *OtherSignal);
	unsigned long SamplesPerChip;
	void MpathProcessor(ComplexNumber *PrevSignal,ComplexNumber *CurSignal,
					    ComplexNumber *NextSignal,unsigned SignalLength);
	ComplexNumber *MultipathSignal;
	ChannelClass(SimConfigClass Config, ModulatorClass *Modulator, TransmitterClass *Tx);
	ChannelClass();
	virtual ~ChannelClass();

private:
	unsigned PulseLength;
	unsigned FadeSamplesPerFrame;
	void FadingProcessor();
	ComplexNumber * MultiPathChannel(ComplexNumber *SigLastptr,ComplexNumber *SigCurrentptr,
 								     ComplexNumber *SigNextptr, unsigned long SignalLength);
	ComplexNumber **FadingSignals;
	double PolynomialFit(double *Xdata,double *Ydata,unsigned N,double x,double *error);
	ComplexNumber *Radix2FFT(ComplexNumber *data, unsigned NN, int isign);
	unsigned FadingSignalOffset;
	unsigned MultiPathComponents;
	unsigned *Delays;
	double *Amplitudes;
	double fDoppler;
	double EbNo_dB;
	double EbNo;
	double NoiseSTDV;
	bool FadeInitFlag;
	ComplexNumber * RaylieghFadingGenerator( double FDoppler, double FSample, unsigned long NSamples);
	ComplexNumber GaussianRandomNumberGenerator(int *InitFlag);
	double UniformRandomNumberGenerator(int *idum);
};

#endif // !defined(AFX_HANNELCLASS_H__BEEB3F69_9D69_4539_9C54_BF3E8E522386__INCLUDED_)