clear?all
xm=100;
ym=100;
sink.x=0.5*xm;??%location?of?sink?on?x-axis
sink.y=0.5*ym;??%location?of?sink?on?y-axis
n=100??%nodes
P=0.1;??%probability?of?cluster?heads
Eo=0.5;?%initial?energy
ETX=50*0.000000001;??%tx?energy
ERX=50*0.000000001;??%rx?energy
Efs=10*0.000000000001;??%free?space?loss
Emp=0.0013*0.000000000001;???%multi?path?loss
%Data?Aggregation?Energy
EDA=5*0.000000001;??%compression?energy
a=1;???%fraction?of?energy?enhancment?of?advance?nodes
rmax=5000??%maximum?number?of?rounds
do=sqrt（Efs/Emp）;??%distance?do?is?measured
Et=0;??%variable?just?use?below?
A=0;
for?i=1:1:n
????S（i）.xd=rand（11）*xm;??%generates?a?random?no.?use?to?randomly?distibutes?nodes?on?x?axis
????XR（i）=S（i）.xd;
????S（i）.yd=rand（11）*ym;??%generates?a?random?no.?use?to?randomly?distib