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. 2020 Jan 19;20(2):548. doi: 10.3390/s20020548

Algorithm 5 Client device

Input:

P_{b}

(Push button)

A c k_{m s g}

(Acknowledgment message)

G P S_{c o r}

(GPS coordinates )

A V B_{n e t}

(Available Networks)
Output:

R_{m s g}

(Request message containing node ID, message ID, and GPS coordinates)

1:
procedure
2:
Step 1: defining and initializing variables
3:
Scan $A V B_{n e t}$
4:
Apply MMN Algorithm ( returns Min & Max ID)
5:
Step 2: detecting events
6:
while 1 do
7:
if $P_{b} = t r u e$ then
8:
read $G P S_{c o r}$
9:
send $R_{m s g}$ to $M i n_{I D}$
10:
end if
11:
if $A c k_{m s g} = t r u e$ then
12:
Pring $A c k_{m s g}$ on screen
13:
end if
14:
end while
15:
end procedure