New Detection Paradigms to Improve Wireless Sensor Network Performance under Jamming Attacks

. 2019 May 31;19(11):2489. doi: 10.3390/s19112489

Algorithm 1: Collaborative detection mechanism.

Require nodes start;
Require cont = 0;
for all

N o d e_{i}

do
Require set

p o s i t i o n R i n g N o d e_{i}

;
Require Calculate

E n e r g y_{i}

;
Require Calculate

R e T x_{i}

;
Require Calculate

C s m a R e t r i e s_{i}

;
Require send HELLO packet with metrics information;
if Algorithm == Extended Mechanism then
Collector node sends broadcast to receive information of all nodes;
Collector node sets metric values for each

n o d e_{i}

;
Collector node compares each value per metric for each positionRing;
while

p o s i t i o n R i n g N o d e_{i}

p o s i t i o n R i n g N o d e_{x}

do
if

E n e r g y_{i}

[E n e r g y_{x} m i n, E n e r g y_{x} m a x]

then
cont++;
end if
if

R e T x_{i}

[R e T x_{x} m i n, R e T x_{x} m a x]

then
cont++;
end if
if

C s m a R e t r i e s_{i}

[C s m a R e t r i e s_{x} m i n, C s m a R e t r i e s_{x} m a x]

then
cont++;
end if
end while
end if
if Algorithm == Connected Mechanism then
for all

N o d e_{x}

neighbor of

N o d e_{i}

do
if

E n e r g y_{i}

[E n e r g y_{x} m i n, E n e r g y_{x} m a x]

then
cont++;
end if
if

R e T x_{i}

[R e T x_{x} m i n, R e T x_{x} m a x]

then
cont++;
end if
if

C s m a R e t r i e s_{i}

[C s m a R e t r i e s_{x} m i n, C s m a R e t r i e s_{x} m a x]

then
cont++;
end if
end for
end if
IF

c o n t > = 2

then

N o d e_{i}

sends a control packet to every

N o d e_{x}

;

N o d e_{x}

deletes

N o d e_{i}

from its routing table;
end if
end for