pdmin.m

无线ADHOC网络中

%%%%%%********Report research simulation***********%%%%%%%%%%%%%%%%%%%%%%%%
%***********************simulate P(dmin>0)=(1-exp(-p*pi*r0^2))^n**********
%On the minimum node degree and connectivity of a wireless multihopnetwork%
%********1000*1000m^2,radio range r0,minimum node degree dmin*************
%%%%%%%%%%%%%%%%%%%%%%%%Date 2006,6,13%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
A=10^6;
P=zeros(11);
i=1;
for n=0:100:1000
   for r0=0:20:200
       if n==0
           P(i)=0;
       else
           P(i)=(1-exp(-(n/A)*pi*r0^2))^n;
       end
      i=i+1;
   end
end
x=0:100:1000;
y=0:20:200;
size(P)
[X,Y]=meshgrid(x,y);
%P=(1-exp(-(Y/A)*pi*X^2))^y;
figure(1)
surf(X,Y,P)
%axis([0 500 0 3000 -0.01 1]) 
%axis auto
xlabel('nodes','color','b')
ylabel('range(in m)','color','b')
zlabel('prob(d_min>0)','color','b')
grid on