无线传感器网络功率控制仿真

NodeNums = 1000; % the num of node AreaR = 2000 ; % the area of simulate NodeTranR=10; % the transit Radius Elec=50 * 10^(-9); % Eamp=100*10^(-12); Bx=0; % The Postion of Baseation By=AreaR+400; MaxInteral = 100; % the leach simulate time Pch=0.05; % the desired percentage of cluster heads InitEn=4; % the init energy of all node MaxEn=InitEn; Tr=100; % the time of round Kbit=2000; % the bits of a node transmiting a packet every time Gathingcoefficient=0.8; BandWitch = 1*10.^(6); % Channel Bandwitch Threshold=0; % the threshold of node becoming a cluster-head TDMA=400; Cprob=0.04; NON_CH = 0;% // non cluster head TENTATIVE_CH = 1; % // tentative cluster head FINAL_CH = 2;% // final cluster head sym ClusterHeadNum ; ClusterHeadNum=0; TOS_LOCAL_ADDRESS = -1; % TOS_LOCAL_ADDRESS must <=0 for i=1:(MaxInteral) AliveNode(i)=NodeNums; end % Node.x=AreaR*rand(1,NodeNums); % the position of node % Node.y=AreaR*rand(1,NodeNums); sym buchang; buchang = (AreaR/NodeNums); % buchang=int(buchang); Node.x=0:buchang:(buchang.*(NodeNums-1)); % the position of node Node.y=0:buchang:(buchang.*(NodeNums-1)); Node.IsClusterHeads=linspace(0,0,NodeNums); % NON_CH,TENTATIVE_CH,FINAL_CH Node.IsCovered=linspace(0,0,NodeNums); % Have Been Covered by a cluster head 1:yes 0:No Node.c=linspace(0,0,NodeNums); % the Cluster head of node Node.chcost=linspace(0,0,NodeNums); % the Cluster head of node Node.d=linspace(0,0,NodeNums); % the distance between cluster head and node Node.l=zeros(1,NodeNums)+Kbit; % the length of node i transmit packet Node.EnNode=zeros(1,NodeNums)+InitEn; % the init energy of all node Node.StateNode=ones(1,NodeNums); % the State of all node 1: alive 0:dead Node.Listothernode=zeros(NodeNums); % if node is a cluster head,Listothernode save the id of node belong to this cluster Node.csize=linspace(0,0,NodeNums); % cluser size ,each cluster node num Node.Nbr=zeros(NodeNums); % neighbor of node Node.NumNbr=linspace(0,0,NodeNums); % the neighbor's num of node %Node.DistNbr=linspace(0,0,NodeNums); % the neighbor's dist of node Node.CHprob=zeros(1,NodeNums)+Cprob; Node.InitCHprob=zeros(1,NodeNums); Node.tent_CH=zeros(1,NodeNums)+NON_CH; Node.tent_CH_Cost=ones(1,NodeNums)+9999; Node.IsaddDummyRound=linspace(0,0,NodeNums); Node.n_finalCH=linspace(0,0,NodeNums); Node.ListfinalCH=zeros(NodeNums); Node.ListfinalCH_Cost=zeros(NodeNums)+9999; Node.n_tentCH=linspace(0,0,NodeNums); Node.ListtentCH=zeros(NodeNums); Node.ListtentCH_Cost=zeros(NodeNums)+9999; Node.my_finalCH=linspace(0,0,NodeNums); Node.my_tentCH=linspace(0,0,NodeNums); Node.my_final_CH_Cost=ones(1,NodeNums)+9999; Node.Isstop=ones(1,NodeNums); % clustering is end ? 1:no,0:yes for i=1:NodeNums count =0 ; for j=1:NodeNums if(j~=i) dist = ((Node.x(i)-Node.x(j)).^2)+((Node.y(i)-Node.y(j)).^2); % the distance.^2 if dist < (Tr.^2+Tr.^2) count=count+1; Node.Nbr(i,count)=j; end end if j== NodeNums Node.NumNbr(i) = count ; end end end syms filen strnumnode tpye strround; strnumnode = int2str(NodeNums); filen = date; type = 'NetWork'; filen=['result\heed\',type,strnumnode,' ',filen,'.txt']; fid= fopen(filen,'w'); for i=1:NodeNums % The Node ID ,position x,position y,The number of neighbr node,The ID all neighbr node fprintf(fid,'%6d,%10.4f,%10.4f,%6d',i,Node.x(i),Node.y(i),Node.NumNbr(i)); for j=1:Node.NumNbr(i) fprintf(fid,',%6d',Node.Nbr(i,j)); end fprintf(fid,'\r\n'); end fclose(fid); sym iteration; for Rounds = 1:MaxInteral % the Setup phase of cluster Node.CHprob=Cprob.*((Node.EnNode)./MaxEn); Node.InitCHprob=Node.CHprob; Node.IsaddDummyRound=0.*(Node.IsaddDummyRound); %clear Node.n_finalCH=Node.n_finalCH-Node.n_finalCH; Node.ListfinalCH=Node.ListfinalCH-Node.ListfinalCH; Node.ListfinalCH_Cost=Node.ListfinalCH_Cost-Node.ListfinalCH_Cost+9999; Node.my_finalCH=Node.my_finalCH-Node.my_finalCH; Node.my_final_CH_Cost=(Node.my_final_CH_Cost-Node.my_final_CH_Cost)+9999; Node.n_tentCH=Node.n_tentCH-Node.n_tentCH; Node.ListtentCH=Node.ListtentCH-Node.ListtentCH; Node.ListtentCH_Cost=Node.ListtentCH_Cost-Node.ListtentCH_Cost+9999; Node.csize=Node.csize-Node.csize; Node.Isstop = Node.StateNode ; Node.tent_CH=Node.tent_CH-Node.tent_CH+NON_CH; Node.tent_CH_Cost=Node.tent_CH_Cost-Node.tent_CH_Cost+9999; Node.c=Node.c-Node.c; Node.d=Node.d-Node.d; ClusterHeadNum=0; Node.IsClusterHeads=Node.IsClusterHeads-Node.IsClusterHeads+NON_CH; iteration=0; while sum(Node.Isstop)~=0 iteration=iteration+1; for i =1:NodeNums if Node.Isstop(i)==1 if Node.CHprob(i)<1 if Node.tent_CH(i)==NON_CH if rand(1,1)<Node.CHprob(i) Node.IsClusterHeads(i)=TENTATIVE_CH; Node.tent_CH(i)=TOS_LOCAL_ADDRESS; Node.tent_CH_Cost(i)=Node.NumNbr(i); end %elseif Node.tent_CH(i)==TOS_LOCAL_ADDRESS end Node.CHprob(i)=Node.CHprob(i).*2; % if Node.InitCHprob(i)<0.02 % Node.CHprob(i)=Node.CHprob(i).*2; % else % Node.CHprob(i)=Node.CHprob(i).*(1+1000.*( Node.InitCHprob(i).^2)); % end else if Node.tent_CH(i)~=TOS_LOCAL_ADDRESS && Node.IsaddDummyRound(i)==0 Node.IsaddDummyRound(i)=1; else for j=1:NodeNums %Node.n_finalCH(i) if Node.ListfinalCH(i,j) ~=0 if Node.my_final_CH_Cost(i) > Node.ListfinalCH_Cost(i,j) Node.my_finalCH(i)= Node.ListfinalCH(i,j); Node.my_final_CH_Cost(i)=Node.ListfinalCH_Cost(i,j); end end end % choose cluster head Node.Isstop(i)=0; % diedai end until CHprob==1 if Node.my_finalCH(i) ~= NON_CH Node.IsClusterHeads(i)= NON_CH; Node.c(i)=Node.my_finalCH(i); Node.chcost=Node.my_final_CH_Cost(i); %join the cluster dist =Tr.^2+Tr.^2; % ((Node.x(i)-Node.x(curentnbr)).^2)+((Node.y(i)-Node.y(curentnbr)).^2); % the distance.^2 EntranPCH=EnTran(Elec,Eamp,Kbit,dist) ; Node.d(i)=((Node.x(i)-Node.x(Node.c(i))).^2)+((Node.y(i)-Node.y(Node.c(i))).^2); % the distance.^2 Node.EnNode(i)=Node.EnNode(i)-EntranPCH; if Node.EnNode(i) <= 0 Node.StateNode(i)=0; Node.Isstop(i)=0; Node.EnNode(i)=0; end EnRecP=EnRec(Elec,Kbit); Node.EnNode(Node.c(i))=Node.EnNode(Node.c(i))-EnRecP; if Node.EnNode(Node.c(i)) <= 0 Node.StateNode(Node.c(i))=0; Node.Isstop(Node.c(i))=0; Node.EnNode(Node.c(i))=0; else Node.csize(