clear;
xm=100;?%X軸?Y軸
ym=100;?%%
sink.x=0.5*xm;?%傳輸目的地（基站）
sink.y=0.5*ym;?%
n=100;%節(jié)點(diǎn)總數(shù)
p=0.1;%簇頭節(jié)點(diǎn)的概率
a=0.5;%%%%%%%%%%%%%%適應(yīng)值函數(shù)歸一化比例
E0=0.05;%初始能量
ETX=50*0.000000001;%傳輸能量/bit
ERX=50*0.000000001;%接收能量/bit
EFS=10*0.000000000001;%耗散能量/bit
EMP=0.0013*0.000000000001;
EDA=5*0.000000001;%融合能量/bit
rmax=300;%總輪數(shù)
do=sqrt（EFS/EMP）;?%？？？
figure（1）;%圖

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%~~~~~~~初始化，隨機(jī)選節(jié)點(diǎn)坐標(biāo)、節(jié)點(diǎn)標(biāo)準(zhǔn)
for?i=1:1:n
????S（i）.xd=rand（11）*xm;%X
????S（i）.yd=rand（11）*ym;%Y
????S（i）.G=0;%每一周期結(jié)束此變量為0
????S（i）.E=E0;?%能量
????S（i）.F=0;%？？？
????S（i）.type=‘N‘;%節(jié)點(diǎn)類型為普通
????S（i）.cluster=0;%第i個節(jié)點(diǎn)所屬簇的id，初始為0
????S（i）.AVG=0;
????temp_rnd=i;?%？？
????plot（S（i）.xdS（i）.yd‘o‘）;
????hold?on;
end
%~~~~~~~~~~
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

S（n+1）.xd=sink.x;?%例如100節(jié)點(diǎn)，?基站為101
S（n+1）.yd=sink.y;
plot（S（n+1）.xdS（n+1）.yd‘x‘）;?
figure（1）;
countCHs=0;
rcountCHs=0;
cluster=1;?%族頭
countCHs;
rcountCHs=rcountCHs+countCHs;
flag_first_dead=0;?%第一個死亡節(jié)點(diǎn)

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%~~~~~~~~~~~~~~~~~
for?r=0:1:rmax?
????r?%輸出第幾輪
????if（mod（rround（1/p））==0）?%?判斷T（n）?by?31/52?
????????for?i=1:1:n;
????????????S（i）.G=0;
????????????S（i）.cl=0;
????????end
????end
????
????%初始為0
????hold?off;
????dead=0;
????packets_TO_BS=0;
????packets_TO_CH=0;
????PACKETS_TO_BS（r+1）=0;
????PACKETS_TO_CH（r+1）=0;
????figure（1）;
????
????%%%%%%%%%%%%%%%%%%%%%%%
????%~~~~將死亡節(jié)點(diǎn)判為紅色，未死亡的為黑色
????for?i=1:1:n
????????if（S（i）.E<=0）?%能量為0時?節(jié)點(diǎn)死亡
????????????plot（S（i）.xdS（i）.yd‘red?.‘）;
????????????dead=dead+1;
????????????hold?on;
????????end
????????if（S（i）.E>0）
????????????S（i）.type=‘N‘;
????????????plot（S（i）.xdS（i）.yd‘o‘）;
????????????hold?on;
????????end
????end
????%~~~~~~~~~
????%%%%%%%%%%%%%%%%%%%%%%
????
????plot（S（n+1）.xdS（n+1）.yd‘x‘）;
????STATISTICS（r+1）.DEAD=dead;?%統(tǒng)計(jì)死亡數(shù)
????DEAD（r+1）=dead;?%
????
????%%%%%%%%%%%%%%%%%%%%%%%%%%
????%~~~~~~~~~~~~~~~~~死亡數(shù)等于1時，?記第一個死亡
????if?（dead==1）
????????if（flag_first_dead==0）
????????????first_dead=r;
????????????flag_first_dead=1;
????????end
????end
????%~~~~~~
????%%%%%%%%%%%%%%%%%%%%%%%%%%%
????
????%
????countCHs=0;
????cluster=1;
????
????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
????%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~begin選臨時簇頭，已去除臨時簇頭傳輸消息！！
????for?i=1:1:n
????????if（S（i）.E>0）?%能量大于0
????????????if（S（i）.G<=0）?%？？？
????????????????temp_rand1=rand;?%隨機(jī)數(shù)
????????????????if（temp_rand1<=（p/（1-p*mod（rround（1/p）））））?%隨機(jī)數(shù)與T（n）判斷，小成為簇頭節(jié)點(diǎn)
????????????????????S（i）.type=‘D‘;?%類型變換，第一輪為臨時簇頭
????????????????????D（cluster）.xd=S（i）.xd;?%簇頭節(jié)點(diǎn)X軸
????????????????????D（cluster）.yd=S（i）.yd;?%簇頭節(jié)點(diǎn)Y軸
????????????????????S（i）.cluster=cluster;?%記入簇頭數(shù)
????????????????????cluster=cluster+1;?%簇頭加1
????????????????????countCHs=countCHs+1;?%簇頭節(jié)點(diǎn)數(shù)目？？？？？
????????????????????packets_TO_BS=packets_TO_BS+1;%數(shù)據(jù)包+1
????????????????end
????????????end
????????end
????end
????%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~end選臨時簇頭
????%%%%%%%%%%%%%%%%%%%%%%%%