#if !defined(CCHANNELMODEL_H__INCLUDED_)
#define CCHANNELMODEL_H__INCLUDED_

#define PI 3.14159265
#define LightSpeed 1.08e9  //光速km/h
#define Frequency 2.0e9   //頻率Hz
#define SlotSizeInSecond 1.25e-3 //時(shí)隙長(zhǎng)度
#define delta (float)sqrt(0.5) //均方差
#define N1 20
#define N2 12

#include "math.h"
#include "stdio.h"
#include "stdlib.h"
#include "time.h"
#include "Newran.h"
#include "systemsim.h"

class CChannelModel
{
  private:
          float Next_Shadow_Fading(float fLastShadowFading);//下一時(shí)刻衰落值（遠(yuǎn)場(chǎng)or近場(chǎng)）
	      float InitialValues();//衰落初始值計(jì)算（近場(chǎng)和遠(yuǎn)場(chǎng)）
	      void CorrelationOfSlowFading();//計(jì)算慢衰時(shí)間相關(guān)系數(shù)
		  float Next_Slow_fading(float fFarFading);//下一時(shí)刻慢衰值計(jì)算
		  
		  float jakec1(double dt);
		  float jakes1(double dt);
		  float rand1();  //產(chǎn)生（+/-）1隨機(jī)數(shù)
	      double m_dW;    //最大多譜勒頻譜
		  int m_iaStartime[19][3];//57個(gè)扇區(qū)的實(shí)際初始化時(shí)間
	      double m_dMsSpeed;//移動(dòng)臺(tái)速度（慢衰用）
	      int m_iChannelType;//信道類(lèi)型
	      float m_fStdOfSlowFading;//慢衰標(biāo)準(zhǔn)差
	      double m_dCorrelationOfSlowFading;//慢衰時(shí)間相關(guān)系數(shù)
	      float m_fNearFieldOfSlowFading;//慢衰近場(chǎng)值
	      FADINGVALUE_TYPE m_astFadingValues[19];//結(jié)構(gòu)體數(shù)組定義
          float m_faFastFadingValues[SectorNumber*7][SubslotNumber];
  public:
	      CChannelModel() {}
		  ~CChannelModel() {}
	      float FastFading(double dt0);//快衰值計(jì)算函數(shù)
	      void Initialization(float fStdOfSlowFading,int iChannelType,NEIGHBORSECTOR_TYPE *pstNEIGHBORSECTOR_TYPE);//初始化函數(shù)
		  FADINGVALUE_TYPE *GetFadingValues(int iSlotCounter);//獲得衰落值函數(shù)
};
#endif