gsmmlse.h

基于MATLAB的GSM仿真系统 并附有直接画出性能曲线的简化程序。

//#include <stdio.h>
//#include <stdlib.h>
//#include <math.h>
//#include <time.h>
#include "GSMSim.h"


#define BURSTLEN 148        //TDMA Burst length
#define TRAINLEN 26         //Training sequence length
#define OVERSAMPLE 4        //Sample numbers per bit period
#define CHANNELMEMLEN 6     //Channel Memory length
#define ELSEWHERE 16384     //Not belong to valid states
#define MVAState 64          //VA State Num



struct GSMMVAState
       {
       		int timeCount;
       		int stateNum;        //0~31
       		double totalMetric1;
       		double totalMetric2;
       		double totalMetric;
       		int nextState1;      //0
       		int nextState2;      //1
       		int preState1;       //0
       		int preState2;       //1
       };

struct GSMMVAOut
       {
       		int hard;            //hard output
       		double soft;         //soft output
       };

void  GSMEQ(int TS[26],double sigRecv[2][BURSTLEN*OVERSAMPLE],
			int GSMRecvBurst[BURSTLEN],int init,int offset,int mode);

int GSMDerotation(double rArray[2][BURSTLEN*OVERSAMPLE],
				   double re_Array[2][BURSTLEN*OVERSAMPLE],int init);//作者：沈亮

int  GSMChannelEst(double trSeqArray[2][TRAINLEN*OVERSAMPLE],
       double uArray[2][BURSTLEN*OVERSAMPLE],int offset,double gEstArray[2][CHANNELMEMLEN]);
int  GSMMatFilter(double uArray[2][BURSTLEN*OVERSAMPLE],
       double gEstArray[2][CHANNELMEMLEN],int offset,double yArray[2][BURSTLEN]);
int  GSMCorelation(double gEstArray[2][CHANNELMEMLEN],double xArray[2][CHANNELMEMLEN]);
int  GSMMVA_SigMap(int possibleData,double sigLow[2]);
int  GSMMVA_FSM(int currentState,int possibleData);
double  GSMMVA_IncMetric(int cnt,int dataHistory[CHANNELMEMLEN],
       double xArray[2][CHANNELMEMLEN],double yArray[2][BURSTLEN]);
void  GSMMVA(double yArray[2][BURSTLEN],double xArray[2][6],int mode,
			 struct GSMMVAState GSMMVATrellis[MVAState][200],struct GSMMVAOut MVAOut[BURSTLEN]);