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Network Topology Generator >> Network Topology Generator > MobilityLocality

MobilityLocality

Perform the attribution of links for a topology in respect with the Locality approach.

Calling Sequence

[ta,he]=MobilityLocality(nodx,nody,dmax)

Parameters

nodx :

x-coordinates vector.

nody :

y-coordinates vector.

dmax :

locality radius.

ta :

links tail vector.

he :

links head vector.

Description

MobilityLocality aims to perform the attribution of links for a topology in respect with the Locality approach.

2 nodes are connected together if they are separated by a distance shorter than the locality radius R=dmax.

Examples

scf(1);//creation of a graphic window
clf(1);
f=gcf();
f.figure_name='MANET' ;
f.pixmap='on'; //set the pixmap mode
//creation of the network boundaries
plot2d(0,0,-1,"011"," ",style=5,rect=[0,0,1000,1000]);
xgrid;
//simulation scenario
r=10;//display radius of moving nodes
rf=15;//display radius of fixed nodes
rs=20;//display radius of the moving nodes belonging to the connection under studies
n=50;//quantity of moving nodes
nf=5;//quantity of fixed nodes
[ndep,nfin]=MobilityRandom_i_j_nf(n,nf);//connection extremal nodes
L=1000;//network square area side
ts=20;//maximum time break
vm=20;//maximum speed
v=vm*rand(1,n);//velocity
Tlim=1000;//simulation duration
nodex=L*rand(1,n+nf);//current x-coordinate of all nodes
nodey=L*rand(1,n+nf);//current y-coordinate of all nodes
destx=L*rand(1,n+nf);//destination x-coordinate of all nodes(not used for fixed nodes)
desty=L*rand(1,n+nf);//destination y-coordinate of all nodes(not used for fixed nodes)
d=sqrt((nodex-destx).^2+(nodey-desty).^2);//initialization of the distance vector
//display the initial state
MobilityGraph2Plot(nodex(nf+1:$),nodey(nf+1:$),r,5);//fixed nodes in red (5)
MobilityGraph2Plot(nodex(1:nf),nodey(1:nf),rf,2);//fixed nodes in blue (3)
show_pixmap();//display
f=gcf();//get the figure properties
i=ndep-nf;//emission node in purple (6)
f.children.children($-1).children(n-i+1).data(3:4)=[rs rs];//node i
f.children.children($-1).children(n-i+1).foreground=6;//node i 
f.children.children($-1).children(n-i+1).background=6;//node i
show_pixmap();//display
[nodx,nody]=MobilityXYExtraction(f,n,nf);//application of MobilityXYExtraction
Tnodes=zeros(1,n);//initialization of breaking time parameters
Tmax=100;//maximal waiting time
dmax=180;//Locality radius for the links attribution
[ta,he]=MobilityLocality(nodx,nody,dmax);//application of MobilityLocality
ta
he

Author

http://wwwen.uni.lu/interdisciplinary_centre_for_security_reliability_and_trust

Contact


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