1 简介

## 2 部分代码

% main.m% 主程序：对于不同的K,N值作折线图。参数FrameNum为帧的最大个数。clear;FrameNum=7;X=0:1:FrameNum;[F(1,:) Y(1,:)]=Markov(17,20,FrameNum);[F(2,:) Y(2,:)]=Markov(12,20,FrameNum);[F(3,:) Y(3,:)]=Markov(7,20,FrameNum);[F(4,:) Y(4,:)]=Markov(15,15,FrameNum);[F(5,:) Y(5,:)]=Markov(10,15,FrameNum);[F(6,:) Y(6,:)]=Markov(5,15,FrameNum);%仿真和分析画在一起（平均选到时隙的节点数）figure(1);plot(X,Y(1,:),'k-o');hold on;plot(X,simulation(17,20,FrameNum),'k:.');hold on;plot(X,Y(2,:),'k-o');hold on;plot(X,Y(3,:),'k-o');hold on;plot(X,Y(4,:),'k-o');hold on;plot(X,Y(5,:),'k-o');hold on;plot(X,Y(6,:),'k-o');hold on;plot(X,simulation(12,20,FrameNum),'k:.');hold on;plot(X,simulation(7,20,FrameNum),'k:.');hold on;plot(X,simulation(15,15,FrameNum),'k:.');hold on;plot(X,simulation(10,15,FrameNum),'k:.');hold on;plot(X,simulation(5,15,FrameNum),'k:.');xlabel('n(Number of frames)');ylabel('Average number of nodes acquiring a time slot within n frames');legend('Analysis','Simulation',2);grid on;%模型分析图（平均选到时隙的节点数）figure(2)plot(X,Y(1,:),'k-o');hold on;plot(X,Y(2,:),'k-*');hold on;plot(X,Y(3,:),'k-s');hold on;plot(X,Y(4,:),'k-d');hold on;plot(X,Y(5,:),'k-^');hold on;plot(X,Y(6,:),'k-v');hold on;xlabel('n(Number of frames)');ylabel('Average number of nodes acquiring a time slot within n frames');legend('N=20,K=17','N=20,K=12','N=20,K=7','N=15,K=15','N=15,K=10','N=15,K=5',-1);grid on;%模型分析图（全部节点都选到时隙的概率）figure(3)plot(X,F(1,:),'k-o');hold on;plot(X,F(2,:),'k-*');hold on;plot(X,F(3,:),'k-s');hold on;plot(X,F(4,:),'k-d');hold on;plot(X,F(5,:),'k-^');hold on;plot(X,F(6,:),'k-v');hold on;xlabel('n(Number of frames)');ylabel('\itF^all_n');legend('N=20,K=17','N=20,K=12','N=20,K=7','N=15,K=15','N=15,K=10','N=15,K=5',4);grid on;