Performance Evaluation of Localization Accuracy for a Log-Normal Shadow Fading Wireless Sensor Network under Physical Barrier Attacks

. 2015 Dec 4;15(12):30545–30570. doi: 10.3390/s151229817

Algorithm 1 Signal hole detection.

Require: $G M [] [] \leftarrow S p l i t n e t w o r k i n t o s m a l l g r i d s N * N$
for i=1: N do
for j=1: N do
GM[i][j] = White
end for
end for
for i=1: NoofSensor do
for j=1:NoofAP do
if $e r r o r_d e v i a t i o n (A P) < t h r e s h o l d$ then
for X=1: N do
for Y=1: N do
if $G r i d (X, Y) i s i n d i r e c t i o n o f A P, s e n s o r (i)$ then
$G M (X, Y) \leftarrow g r a y$
end if
end for
end for
end if
end for
end for