I
nte
rna
t
io
na
l J
o
urna
l o
f
E
lect
rica
l a
nd
Co
m
p
ute
r
E
ng
in
ee
ring
(
I
J
E
CE
)
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2020
,
p
p
.
4
3
8
~
4
4
6
I
SS
N:
2088
-
8708
,
DOI
: 1
0
.
1
1
5
9
1
/
i
j
ec
e
.
v
10
i
1
.
pp
4
3
8
-
446
438
J
o
ur
na
l ho
m
ep
a
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e
:
h
ttp
:
//ij
ec
e.
ia
esco
r
e.
co
m/in
d
ex
.
p
h
p
/I
JE
C
E
Io
T
–
s
m
a
rt
c
o
ntra
cts in
d
a
ta
t
rus
te
d
e
x
cha
ng
e
s
uppli
ed
c
ha
in
ba
sed o
n
b
lo
c
k
c
h
a
in
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a
nes
h K
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r
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.
Sri
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M
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a
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urug
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R
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Feb
1
7
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2
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R
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cc
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tern
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s
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T
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a
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a
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rit
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f
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d
a
ta
tru
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x
c
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g
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in
re
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t
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se
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in
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n
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e
a
n
a
we
so
m
e
re
q
u
e
st
a
n
d
in
c
re
a
sin
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le.
In
su
c
h
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p
latf
o
rm
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th
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d
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ta
se
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t
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d
sp
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se
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d
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th
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n
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tern
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s
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ti
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k
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tec
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b
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ip
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m
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d
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s
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in
g
t
h
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tem
p
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lo
c
a
ti
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d
a
m
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b
lo
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k
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h
a
in
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ll
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sp
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re
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t,
f
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a
tu
re
s v
isu
a
ll
y
.
K
ey
w
o
r
d
s
:
B
lo
ck
ch
ai
n
D
ata
t
r
u
s
ted
e
x
ch
a
n
g
e
I
o
T
(
i
n
ter
n
et
o
f
th
in
g
s
)
S
m
ar
t
c
o
n
tr
ac
t
s
Co
p
y
rig
h
t
©
2
0
2
0
In
stit
u
te o
f
A
d
v
a
n
c
e
d
E
n
g
i
n
e
e
rin
g
a
n
d
S
c
ien
c
e
.
Al
l
rig
h
ts
re
se
rv
e
d
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
S.
Gan
es
h
K
u
m
ar
,
Dep
ar
t
m
en
t o
f
C
o
m
p
u
ter
Scie
n
ce
an
d
E
n
g
i
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r
in
g
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Facu
lt
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o
f
E
n
g
i
n
ee
r
i
n
g
a
n
d
T
e
ch
n
o
lo
g
y
,
SR
M
I
n
s
tit
u
te
o
f
Sc
ien
ce
a
n
d
T
ec
h
n
o
lo
g
y
,
C
h
e
n
n
ai
,
I
n
d
ia
.
E
m
ail
:
1
3
g
a
n
es
h
@
m
ai
l.c
o
m
1.
I
NT
RO
D
UCT
I
O
N
I
n
ter
n
et
o
f
T
h
in
g
s
(
I
o
T
)
a
n
d
B
lo
ck
ch
ai
n
ar
e
v
ie
w
ed
as
r
is
in
g
id
ea
s
an
d
tech
n
o
l
o
g
ies
[
1
].
I
n
th
e
m
ea
n
ti
m
e
th
e
y
c
h
an
g
e
id
ea
s
an
d
m
a
k
e
n
e
w
co
n
ce
i
v
a
b
le
o
u
tco
m
es,
ea
c
h
in
t
h
eir
p
ar
ticu
lar
s
it
u
atio
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s
,
an
d
th
er
e
i
s
a
ch
a
n
ce
to
m
ak
e
ap
p
licatio
n
s
t
h
at
ca
n
s
h
ar
e
th
e
i
n
b
o
r
n
attr
ib
u
te
s
o
f
b
o
th
,
in
v
esti
g
ati
n
g
h
o
w
th
e
I
o
T
ca
n
p
r
o
f
it
b
y
th
e
d
ec
en
tr
alize
d
id
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o
f
t
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B
lo
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ain
.
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f
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r
w
ar
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m
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x
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g
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a
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d
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et
w
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r
k
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n
g
tech
n
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lo
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s
(
e.
g
.
,
W
i
-
Fi,
Z
ig
b
ee
,
B
lu
eto
o
th
)
,
a
d
ev
elo
p
in
g
m
o
r
e
co
m
p
lete
n
u
m
b
er
o
f
t
h
in
g
s
(
e.
g
.
,
s
en
s
o
r
s
,
ac
tu
ato
r
s
,
s
m
a
r
t
d
ev
ices)
ar
e
b
ein
g
as
s
o
cia
ted
I
n
ter
n
et
t
h
e
s
e
d
a
y
s
,
ar
e
b
ein
g
co
n
n
ec
ted
to
th
e
I
n
ter
n
et
th
e
s
e
d
a
y
(
I
o
T
)
.
B
lo
ck
ch
ai
n
[
2
-
5
]
b
asical
l
y
a
d
is
tr
ib
u
ted
,
d
ig
i
tal
led
g
er
[
6
]
h
a
s
n
u
m
er
o
u
s
ap
p
licatio
n
s
a
n
d
ca
n
b
e
u
s
ed
f
o
r
an
y
d
ata
ex
c
h
an
g
e,
a
g
r
ee
m
e
n
ts
/co
n
tr
ac
ts
,
tr
ac
k
in
g
an
d
o
f
co
u
r
s
e,
p
a
y
m
en
t
[
6
,
7
]
.
Sin
ce
ev
er
y
b
it
o
f
tr
an
s
ac
tio
n
is
r
ec
o
r
d
ed
o
n
a
b
lo
ck
an
d
ac
r
o
s
s
n
u
m
b
er
ti
m
es
a
n
o
th
er
co
p
ies
o
f
t
h
e
le
d
g
er
th
at
ar
e
m
ad
e
d
is
tr
ib
u
tio
n
o
v
er
m
a
n
y
n
o
d
es
(
co
m
p
u
ter
s
)
,
it
i
s
h
ig
h
l
y
tr
an
s
p
ar
en
t.
I
t
’
s
a
ls
o
p
r
o
f
o
u
n
d
l
y
s
a
f
e
s
i
n
ce
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h
b
lo
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m
ak
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s
co
n
n
ec
tio
n
to
th
e
o
n
e
g
o
in
g
in
f
r
o
n
t
o
f
it
a
n
d
af
ter
i
t.
T
h
er
e
is
n
o
t
o
n
e
f
o
ca
l
b
ein
g
o
f
th
e
o
p
in
io
n
t
h
at
o
v
er
th
e
b
lo
ck
ch
ai
n
[
2
]
,
an
d
it’
s
to
a
g
r
ea
t
d
eg
r
ee
w
o
r
k
in
g
w
el
l
an
d
t
u
r
n
in
g
r
ea
d
il
y
to
an
o
th
er
w
o
r
k
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
I
o
T
–
s
ma
r
t c
o
n
tr
a
cts in
d
a
ta
tr
u
s
ted
ex
ch
a
n
g
e
s
u
p
p
lied
ch
a
in
b
a
s
ed
o
n
b
lo
ck
c
h
a
in
(
S
.
Ga
n
esh
K
u
ma
r
)
439
I
n
th
e
e
n
d
,
b
lo
ck
ch
a
in
ca
n
m
a
k
e
t
h
e
p
o
w
er
a
n
d
tr
an
s
p
ar
en
c
y
o
f
s
u
p
p
l
y
ch
ai
n
s
an
d
d
ec
is
io
n
ac
t
o
n
e
v
er
y
th
i
n
g
f
r
o
m
w
ar
eh
o
u
s
i
n
g
to
d
eliv
er
y
tak
en
to
p
a
y
m
e
n
t.
C
h
ai
n
o
f
n
ee
d
is
b
asic
f
o
r
s
o
m
e
t
h
in
g
s
,
an
d
b
lo
ck
ch
ai
n
h
as
th
e
c
h
ai
n
o
f
n
ee
d
m
ad
e
i
n
.
G
a
in
ed
r
ec
en
t
l
y
a
tten
tio
n
w
it
h
[
8
]
S
m
ar
t
co
n
tr
ac
ts
,
p
ar
tic
u
lar
l
y
w
it
h
in
co
n
n
ec
tio
n
w
it
h
to
th
e
b
lo
ck
c
h
ai
n
tec
h
n
o
l
o
g
y
.
Selecte
d
b
ef
o
r
e
t
h
e
r
u
les,
b
lo
ck
ch
ai
n
tech
n
o
lo
g
y
t
h
at
ca
n
v
er
if
y
[
9
]
it
s
co
r
r
ec
tn
es
s
a
n
d
s
u
p
p
o
r
t
in
s
m
ar
t
co
n
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ac
t
(
ag
r
ee
m
en
t)
h
en
ce
,
i
ts
a
s
elf
-
i
m
p
le
m
en
t
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tio
n
an
d
s
elf
-
e
x
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u
ti
n
g
.
Ho
w
e
v
er
,
at
all
b
ase
p
latf
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r
m
w
it
h
o
u
t
a
r
i
g
h
t
b
as
e
p
latf
o
r
m
a
s
m
ar
t
co
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tr
ac
t
is
n
o
t
“
s
m
ar
t”
to
r
u
n
,
ex
ec
u
te
an
d
ch
ec
k
t
h
es
e
co
n
tr
ac
ts
i
t
n
ee
d
s
u
c
h
a
b
ase
p
latf
o
r
m
.
A
s
m
ar
t
co
n
tr
ac
t
s
th
at
ca
n
w
o
r
k
in
a
d
ec
en
tr
alize
d
m
a
n
n
er
an
d
co
m
p
lete
l
y
s
el
f
-
r
u
li
n
g
,
s
u
c
h
a
b
ase
p
latf
o
r
m
i
s
b
lo
ck
c
h
ai
n
.
Fin
a
n
cial
s
er
v
ice
s
[
1
0
]
(
e.
g
.
,
B
itco
in
)
o
r
g
e
n
er
al
s
er
v
ices
e.
g
.
,
(
E
th
er
e
u
m
)
[
1
1
,
1
2
]
ca
n
b
e
u
s
ed
s
m
ar
t
co
n
tr
ac
t.
A
b
lo
ck
c
h
ai
n
[
4
]
ex
ec
u
tes,
ch
ec
k
s
,
an
d
g
at
h
er
s
an
d
s
to
r
es
s
m
ar
t
co
n
tr
ac
ts
in
b
lo
ck
s
.
E
v
er
y
b
lo
ck
h
a
s
a
s
ta
te
m
e
n
t,
d
ir
ec
tio
n
to
atlea
s
t
o
n
e
p
er
s
o
n
w
h
o
h
ad
th
e
p
o
s
itio
n
b
ef
o
r
e,
f
o
r
th
i
s
r
ea
s
o
n
th
e
li
m
i
t
ed
s
tr
etch
o
f
ti
m
e
b
lo
ck
ch
ain
[
13
]
.
B
lo
ck
ch
ain
s
ar
e
d
ec
en
tr
alize
d
,
d
is
tr
ib
u
te
led
g
er
,
[
7
]
b
ased
o
n
cr
y
p
to
g
r
ap
h
.
A
m
ain
i
n
ter
est
in
t
h
e
f
i
n
a
n
c
ial
i
n
d
u
s
tr
y
f
o
r
u
s
in
g
b
lo
ck
c
h
ai
n
s
i
s
to
p
u
t
m
ac
h
i
n
es to
u
s
e
a
n
d
d
ig
italizin
g
f
o
r
m
s
p
ar
ticu
lar
l
y
w
h
en
g
r
ea
t
n
u
m
b
er
o
f
a
n
u
m
b
er
o
f
p
er
s
o
n
s
w
o
r
k
i
n
g
to
g
eth
er
ar
e
co
v
er
ed
.
T
h
ese
ag
r
ee
m
e
n
t
ca
n
b
e
ass
e
s
s
ed
n
atu
r
all
y
s
m
ar
t
co
n
tr
ac
t
w
ith
b
lo
ck
ch
ai
n
u
til
izin
g
th
e
p
r
i
m
ar
y
ad
v
an
ta
g
e.
C
u
r
r
en
t
s
o
l
u
tio
n
s
p
r
o
d
u
ce
th
at
n
ee
d
s
to
b
e
c
h
ec
k
ed
m
an
u
all
y
u
s
i
n
g
s
m
ar
t
co
n
tr
ac
t
s
,
t
h
e
te
m
p
er
at
u
r
e
in
d
icato
r
s
,
tr
ac
k
i
n
g
s
h
ip
p
in
g
,
p
r
ev
en
ti
n
g
s
h
ip
p
in
g
d
a
m
ag
e
ca
n
b
e
ass
es
s
es
a
u
to
m
a
ticall
y
an
d
n
o
ti
f
y
s
en
d
er
an
d
o
n
e
w
h
o
g
ets
p
ac
k
ag
e.
I
n
ad
d
i
tio
n
,
it
is
ta
m
p
er
-
p
r
o
o
f
f
o
r
th
e
s
to
r
ed
d
ata
an
d
ar
e
u
s
ed
f
o
r
lo
o
k
in
g
o
v
er
o
f
ac
co
u
n
t
b
y
e
x
p
er
t
b
y
o
u
t
s
id
e
g
r
o
u
p
s
o
f
p
er
s
o
n
s
.
B
y
u
s
in
g
t
h
e
E
t
h
er
eu
m
[
1
1
,
1
2
]
,
it
is
f
u
l
l
y
d
ec
e
n
tr
alize
d
as
ta
m
p
er
-
p
r
o
o
f
,
f
r
a
m
e
w
o
r
k
u
tili
ze
d
b
y
t
h
e
r
eq
u
ir
i
n
g
litt
le
to
n
o
h
ar
d
w
o
r
k
a
n
d
o
n
a
f
o
r
ev
er
y
co
n
tr
ac
t
an
d
p
er
b
y
te
p
r
e
m
is
e.
T
h
e
r
em
a
in
i
n
g
s
ec
t
io
n
s
w
ill
e
x
p
lain
th
e
u
p
co
m
in
g
to
p
ics.
T
h
e
s
ec
o
n
d
p
ar
t,
I
n
ter
n
et
o
f
T
h
in
g
s
(
I
o
T
)
zig
b
ee
b
ased
tech
n
o
lo
g
y
w
ir
el
ess
s
e
n
s
o
r
n
et
w
o
r
k
(
W
SN)
d
is
co
v
er
ed
s
h
ip
p
in
g
d
a
m
a
g
e
in
d
i
ca
to
r
s
,
te
m
p
er
atu
r
e
in
d
icato
r
s
a
n
d
tr
ac
k
i
n
g
s
h
ip
p
in
g
.
Sectio
n
I
I
I
B
lo
ck
ch
ai
n
e
n
ab
les
t
h
e
w
o
r
k
o
f
ar
t
o
f
s
m
ar
t
co
n
tr
ac
ts
,
w
i
th
ter
m
s
a
n
d
co
n
d
itio
n
s
b
o
th
s
id
es
ca
n
g
iv
e
d
etail
s
an
d
t
h
at
s
a
y
w
it
h
o
u
t
d
o
u
b
t
h
av
e
tr
u
s
t
i
n
t
h
e
en
f
o
r
ce
ab
ilit
y
o
f
th
e
co
n
tr
ac
t
a
n
d
t
h
e
m
in
d
a
n
d
p
h
y
s
ic
al
q
u
ali
ties
o
f
t
h
e
co
u
n
t
er
p
ar
ty
.
Sect
io
n
I
V
o
u
t
lin
e
s
t
h
e
s
p
ec
ial
tech
n
ical
d
etails,
w
h
ic
h
is
h
ad
f
o
llo
w
ed
b
y
a
f
ir
s
t
s
tag
e
p
u
t v
al
u
e
ev
a
lu
atio
n
,
w
h
ile
Sectio
n
V
p
r
o
v
id
e
s
co
n
clu
s
io
n
s
.
2.
Z
I
G
B
E
E
B
ASE
D
T
E
CH
NO
L
O
G
Y
(
W
SN)
Ma
n
y
ap
p
licatio
n
s
th
a
t
u
s
ed
i
n
t
h
e
g
r
ea
t
n
u
m
b
er
s
to
d
a
y
ar
e
GP
S.
T
r
ac
k
in
g
i
s
o
n
e
o
f
t
h
e
a
p
p
licatio
n
s
in
s
h
ip
p
in
g
o
r
A
n
y
P
o
r
tab
le
Dev
ice
an
d
m
o
n
ito
r
ed
r
eg
u
lar
l
y
.
T
h
e
r
o
u
ts
tr
av
elled
an
d
th
e
ex
ac
t
lo
ca
tio
n
s
o
f
th
e
in
f
o
r
m
at
io
n
g
i
v
e
n
b
y
th
i
s
tr
ac
k
in
g
s
y
s
te
m
,
w
h
ic
h
ar
e
e
m
b
ed
d
ed
in
th
is
h
ar
d
w
ar
e.
Mo
r
eo
v
er
,
b
y
th
at
g
iv
e
n
in
f
o
r
m
atio
n
th
e
u
s
er
ca
n
lo
ca
t
e
th
e
d
if
f
er
e
n
t
p
lace
s
w
id
el
y
.
I
n
an
y
o
f
t
h
e
w
ea
t
h
er
co
n
d
itio
n
s
,
t
h
e
s
y
s
te
m
s
ar
e
en
ab
led
to
tr
ac
k
th
e
tar
g
et
r
o
u
tes.
Fo
r
t
h
is
,
t
h
e
Z
ig
b
ee
tec
h
n
o
lo
g
y
a
n
d
th
e
GP
S
ar
e
u
s
ed
.
Si
m
ilar
to
th
is
,
th
e
lan
d
w
id
e
s
h
ip
m
e
n
t
tr
ac
k
i
n
g
u
s
ed
s
i
m
i
lar
to
th
e
GP
S
is
r
ep
r
esen
ted
.
T
h
i
s
t
y
p
e
o
f
t
h
e
s
y
s
te
m
s
en
ab
le
at
th
e
s
a
m
e
ti
m
e
f
o
r
th
e
r
eq
u
ir
e
d
E
q
u
ip
m
e
n
t
’
s
to
b
e
tr
ac
k
ed
,
w
h
ic
h
ar
e
ac
cu
r
ate,
lo
n
g
la
s
ti
n
g
,
li
g
h
t
in
w
ei
g
h
t
an
d
ar
e
ch
ea
p
er
th
an
a
n
y
o
f
th
e
au
to
m
atic
p
o
s
itio
n
in
g
t
ag
s
.
I
n
a
n
y
d
e
v
i
ce
s
,
t
h
e
s
e
n
s
o
r
s
ar
e
b
u
ilt
in
to
th
e
co
m
p
ac
t
n
es
s
o
f
th
e
p
r
o
to
ty
p
es,
w
h
ic
h
ar
e
o
p
en
s
tr
u
ctu
r
e
d
es
ig
n
ed
f
o
r
tr
ac
k
i
n
g
th
e
s
h
ip
m
e
n
t
s
.
B
y
u
s
i
n
g
th
e
Go
o
g
le
Ma
p
s
,
t
h
e
GP
S
a
n
d
t
h
e
A
P
I
w
o
r
k
i
n
g
:
t
h
e
i
n
f
o
r
m
atio
n
ar
e
s
en
t
o
v
er
t
h
e
n
et
w
o
r
k
to
d
ev
ices
li
k
e
m
o
b
i
le
p
h
o
n
es
wh
ich
ar
e
e
m
b
ed
d
ed
w
it
h
t
h
e
s
i
m
p
le
Z
i
g
b
ee
tech
n
o
lo
g
y
f
o
r
t
r
ac
k
in
g
t
h
e
d
ev
ice
s
h
ip
m
en
ts
.
W
h
e
n
ev
er
,
it
is
l
i
m
itin
g
to
th
e
p
ar
ticu
lar
p
er
s
o
n
w
it
h
a
n
ad
j
u
s
tin
g
aler
t
m
ess
a
g
e
to
th
e
r
ec
eiv
er
f
o
r
tr
ac
k
in
g
.
T
h
e
b
atter
y
p
o
w
er
s
ar
e
s
av
ed
an
d
th
e
tr
ac
k
in
g
co
s
ts
an
d
th
e
f
ea
s
ib
ilit
y
r
es
u
lts
an
d
th
e
n
d
o
in
g
th
e
p
o
w
er
e
f
f
ic
ien
c
y
o
f
t
h
e
b
atter
y
an
d
t
h
e
tr
an
s
m
i
s
s
io
n
o
f
th
e
d
ata.
No
w
a
d
a
y
’
s
tec
h
n
o
lo
g
y
is
g
r
o
w
i
n
g
h
ig
h
er
a
n
d
h
i
g
h
er
g
o
o
d
lev
el
,
b
ec
au
s
e
o
f
t
h
is
,
t
h
e
co
m
m
o
n
p
eo
p
le
ar
e
r
ea
d
y
to
tak
e
u
p
th
ese
tec
h
n
o
lo
g
y
f
ac
ilit
ies
in
t
h
eir
d
ail
y
li
f
e.
I
n
th
eir
d
a
y
to
d
a
y
liv
i
n
g
g
r
o
u
p
s
o
f
p
er
s
o
n
ar
e
d
em
a
n
d
in
g
to
p
r
o
tect
th
eir
i
n
s
tr
u
m
en
t
s
,
d
ev
ices
etc.
b
y
u
s
i
n
g
av
ailab
le
r
eso
u
r
ce
s
.
He
n
ce
th
i
s
p
r
o
j
ec
t
is
m
ad
e
o
n
t
h
e
p
l
atf
o
r
m
o
f
t
h
is
d
em
a
n
d
.
R
eq
u
ir
ed
co
m
p
o
n
e
n
t
s
ar
e:
1.
A
r
d
u
i
n
o
.
2.
GSM
GP
S M
o
d
u
le.
3.
1
6
×2
L
C
D.
4.
P
o
w
er
S
u
p
p
l
y
.
5.
C
o
n
n
ec
ti
n
g
W
ir
es.
6.
Z
i
g
b
ee
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2088
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8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
438
-
446
440
2
.
1
.
Arduin
o
UNO
A
T
m
eg
a
3
2
8
Mic
r
o
co
n
tr
o
ller
b
o
a
r
d
b
ased
o
n
th
e
A
T
m
e
g
a3
2
8
(
d
ata
s
h
ee
t)
,
h
ar
d
w
ar
e,
s
o
f
t
w
ar
e
w
ith
th
e
o
p
en
s
o
u
r
ce
co
m
p
u
ter
s
b
y
t
h
e
A
r
d
u
in
o
U
n
o
.
I
t c
o
n
s
i
s
ts
o
f
t
h
e
1
4
n
u
m
b
er
s
w
i
th
th
e
d
ig
ita
l i
n
p
u
t
/o
u
tp
u
t p
i
n
s
(
6
u
s
ed
as
P
W
M
o
u
tp
u
ts
)
,
6
in
p
u
ts
as
th
e
an
alo
g
s
,
an
d
a
1
6
MH
z
ce
r
a
m
ic
r
eso
n
ato
r
,
w
ith
t
h
e
p
o
w
er
j
ac
k
,
an
I
C
SP
h
ea
d
er
,
USB
co
n
n
ec
tio
n
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d
th
e
b
u
tto
n
to
s
tar
t.
T
h
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p
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u
r
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h
o
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in
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3
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Fig
u
r
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1
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A
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T
h
e
Un
o
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o
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as
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R
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th
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FU
o
f
m
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t
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en
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e
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ev
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h
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SET
p
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1
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0
p
in
o
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S
D
A
[
14
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an
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5
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A
r
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[
14
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d
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3
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3
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[
14
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P
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SM
m
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(
S
I
M
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)
GP
S
-
GSM
[
15
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p
ar
t
o
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a
g
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o
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le
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n
it
(
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8
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2
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3
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1
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x
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C
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[
16
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(
L
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Di
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s
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Ds.
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h
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ar
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to
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.
Fig
u
r
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2
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h
e
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[
16
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(
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D7
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5
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Z
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Z
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[
15
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ased
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n
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li
k
e
r
o
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t
er
s
(
Z
R
)
an
d
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er
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ir
ec
tio
n
s
(
Z
C
)
,
E
n
d
-
d
ev
ices (
Z
E
D)
[
15
].
Fig
u
r
e
3
.
Z
ig
b
ee
Fig
u
r
e
4
.
Z
ig
b
ee
b
a
s
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et
w
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s
a.
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R
ad
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eq
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e
n
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d
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2
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c.
1
6
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0
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1
5
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4
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h
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n
el
s
1
1
to
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m
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ch
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n
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d.
2
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e
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d
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2
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al
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eter
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et
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k
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e
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t
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s
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o
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e
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ter
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n
p
ar
ti
cip
ates
an
d
co
o
r
d
in
ato
r
it
m
a
y
ass
o
ciate
w
it
h
in
th
e
m
e
s
s
a
g
e
o
f
m
u
lt
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-
h
o
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ti
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k
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n
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ti
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to
o
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e
p
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v
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n
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o
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ter
a
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d
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w
p
o
w
er
o
p
er
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n
w
h
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h
m
ad
e
f
o
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en
d
–
d
ev
ice
i
n
f
i
n
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l
y
.
E
ac
h
Z
i
g
b
ee
n
e
t
w
o
r
k
n
ee
d
o
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l
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e
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o
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a
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it
s
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t
s
th
e
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et
w
o
r
k
s
tr
u
ct
u
r
in
g
.
Z
i
g
b
ee
is
to
g
u
i
d
e
an
d
g
et
f
i
x
ed
b
y
th
e
s
i
g
n
i
n
g
th
e
Dete
c
ted
lo
ca
tio
n
w
h
e
n
t
h
e
r
ec
eiv
er
p
ar
t
o
f
a
g
r
ea
ter
m
o
d
u
le
u
n
it
i
s
i
n
t
h
e
r
an
g
e
o
f
Z
i
g
b
ee
tr
an
s
m
itter
.
T
h
e
GSM
s
en
d
th
e
p
u
t
in
to
s
i
g
n
s
co
-
o
r
d
in
ates
to
C
ell
p
h
o
n
e
an
d
co
m
es
b
ac
k
a
s
i
g
n
p
u
t
o
u
t
to
[
16
]
A
r
d
u
i
n
o
(
P
in
D0
)
f
o
r
th
e
m
ak
e
u
p
o
f
o
p
er
atio
n
co
m
p
le
ted
.
A
t
t
h
e
s
a
m
e
ti
m
e
t
h
e
A
r
d
u
i
n
o
a
ctiv
ate
th
e
Z
ig
b
ee
tr
an
s
m
itter
p
ar
t
o
f
a
g
r
ea
ter
m
o
d
u
le
u
n
it
(
P
in
D1
2
)
[
17
]
t
ill
th
e
o
p
er
atio
n
co
m
p
leted
a
n
d
p
r
o
v
id
es
th
e
5
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s
u
p
p
l
y
.
T
h
e
r
ec
eiv
er
p
ar
t o
f
a
g
r
ea
ter
m
o
d
u
le
u
n
it i
s
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ti
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ate
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w
h
en
it’s
w
i
th
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n
t
h
e
r
a
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g
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o
f
tr
an
s
m
itter
p
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W
h
ich
is
d
ec
o
d
ed
an
d
s
en
d
m
e
s
s
a
g
e
to
th
e
L
C
D
s
cr
ee
n
(
P
in
D4
to
D7
)
[
1
7
]
to
d
is
p
la
y
th
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tate
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m
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f
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t
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s
i
g
n
p
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t
to
A
r
d
u
i
n
o
(
P
in
2
DA
T
A
to
D1
2
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2088
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
438
-
446
442
W
e
ca
n
u
n
b
r
o
k
e
n
b
r
an
d
s
o
v
e
r
w
h
ee
ls
t
h
e
tak
er
(
p
r
o
p
er
ty
o
f
an
o
t
h
er
)
r
ea
d
ily
o
r
an
y
d
ev
i
ce
b
y
co
m
in
g
h
er
e
af
ter
s
en
s
ed
co
-
o
r
d
in
ate
s
(
L
a
titu
d
e
a
n
d
lo
n
g
i
tu
d
e)
a
n
d
m
a
k
e
clea
r
th
e
lo
ca
tio
n
b
y
d
ete
ctin
g
t
h
e
s
ep
ar
ate
Z
i
g
b
ee
s
i
g
n
p
u
t
o
u
t
r
ec
ei
v
ed
f
r
o
m
t
h
e
ta
k
en
(
p
r
o
p
er
ty
o
f
an
o
th
er
)
d
ev
ice.
Z
i
g
b
ee
W
ir
eles
s
Net
w
o
r
k
:
T
h
is
i
s
th
e
p
ar
t
w
h
ic
h
p
h
y
s
ica
ll
y
d
o
esn
’
t
c
u
r
r
en
tl
y
in
e
x
i
s
te
n
ce
.
I
t
i
s
ch
ief
l
y
o
f
t
h
e
w
ir
ele
s
s
co
m
m
u
n
icat
io
n
b
et
w
ee
n
th
e
Z
i
g
b
ee
p
ar
t
o
f
a
g
r
ea
te
r
m
o
d
u
le
s
attac
h
ed
to
th
e
T
r
an
s
m
itt
er
a
n
d
R
ec
eiv
er
Ar
d
u
in
o
b
o
ar
d
an
d
m
icr
o
co
n
tr
o
ller
b
o
ar
d
.
3.
B
L
O
CK
CH
AIN IN S
UP
P
L
Y
CH
AIN M
ANAG
E
M
E
NT
AND
L
O
G
I
S
T
I
C
S
T
h
e
ess
en
t
ial
f
ield
s
i
n
B
lo
ck
ch
ain
ap
p
r
o
p
r
iatio
n
n
o
w
d
a
y
s
is
t
h
e
L
o
g
i
s
tics
an
d
t
h
e
s
u
p
p
l
ied
ch
ain
in
d
u
s
tr
y
[
5
,
7
,
1
8
]
.
Dif
f
er
en
t
e
n
o
r
m
o
u
s
ar
e
lo
o
k
in
g
i
n
to
th
e
i
m
p
le
m
en
ta
tio
n
o
f
b
lo
ck
ch
a
in
[
2
,
3
]
f
o
r
th
e
ea
s
y
co
m
m
u
n
icatio
n
p
r
o
ce
s
s
o
f
d
eliv
er
s
a
n
d
m
a
k
es
th
e
s
u
p
p
l
y
ch
ain
[
1
0
]
tr
ac
ea
b
le
an
d
ef
f
ic
ien
t.
T
h
is
ch
a
n
g
in
g
tech
n
o
lo
g
y
is
v
er
y
m
u
c
h
h
elp
f
u
l
f
o
r
ta
m
p
er
-
p
r
o
o
f
,
an
d
tr
ac
k
i
n
g
th
e
p
r
o
d
u
ct
o
f
a
n
y
t
h
i
n
g
b
eg
in
s
f
r
o
m
to
m
ato
e
s
to
d
ia
m
o
n
d
s
[
4
]
.
Fro
m
o
r
d
er
tr
ac
k
in
g
to
d
is
p
u
te
r
eso
l
u
tio
n
,
b
lo
ck
ch
ai
n
h
as
t
h
e
r
esp
o
n
s
e
to
ev
er
y
p
r
o
b
lem
t
h
at
h
as
b
ee
n
p
la
g
u
i
n
g
t
h
e
lo
g
is
t
ics
i
n
d
u
s
tr
y
f
o
r
lo
n
g
ti
m
e
.
Fig
u
r
e
5
s
h
o
w
n
S
u
p
p
l
y
ch
a
in
m
a
n
ag
e
m
e
n
t
in
b
lo
ck
ch
ai
n
.
T
h
e
in
f
o
r
m
atio
n
f
lo
w
i
n
cu
r
r
en
t
g
o
o
d
s
is
h
i
g
h
l
y
co
m
p
l
icat
ed
,
in
clu
d
es
m
a
n
y
p
ar
tie
s
,
an
d
in
clu
d
es
h
ea
v
y
d
o
cu
m
e
n
tatio
n
[
1
9
]
(
p
a
y
m
e
n
t
s
,
r
ec
eip
ts
,
s
ettle
m
en
ts
,
etc.
)
.
M
o
n
ito
r
in
g
e
v
er
y
s
in
g
le
ex
c
h
an
g
es
a
n
d
d
o
cu
m
en
ts
i
s
a
c
u
m
b
er
s
o
m
e
j
o
b
an
d
s
o
m
eti
m
es
i
m
p
o
r
tan
t
d
o
cu
m
e
n
ts
g
et
s
o
f
tr
a
n
s
p
ar
e
n
c
y
in
th
e
p
r
ese
n
t
s
u
p
p
l
y
ch
ai
n
s
y
s
te
m
.
A
l
s
o
it
’
s
e
x
tr
e
m
el
y
d
if
f
ic
u
lt
to
in
v
esti
g
a
te
i
f
t
h
er
e
is
h
ap
p
en
i
n
g
o
f
an
y
il
leg
al
o
r
d
is
h
o
n
e
s
t
p
r
ac
tices
in
t
h
e
s
y
s
te
m
lo
s
t
o
r
m
a
n
u
f
ac
t
u
r
ed
,
w
h
ich
cr
ea
te
s
co
n
f
u
s
io
n
i
n
th
e
s
y
s
t
e
m
,
lead
in
g
to
h
u
g
e
lo
s
s
.
Fig
u
r
e
5
.
Su
p
p
l
y
ch
a
in
m
a
n
ag
e
m
en
t in
b
lo
ck
c
h
ai
n
P
r
ev
io
u
s
l
y
,
s
u
p
p
l
y
c
h
ai
n
s
w
er
e
m
o
d
er
atel
y
ea
s
y
a
n
d
s
i
m
p
le
b
ec
au
s
e
co
m
m
er
ce
w
a
s
lo
ca
l
,
b
u
t
n
o
w
it’
s
d
o
n
e
g
lo
b
all
y
,
w
h
ic
h
m
a
k
es
it
in
cr
ed
ib
l
y
u
n
p
r
ed
ictab
l
e.
Du
e
to
g
lo
b
aliza
tio
n
,
in
b
et
w
ee
n
th
e
p
ar
ties
(
clien
ts
,
v
en
d
o
r
s
an
d
th
e
s
u
p
p
lier
s
)
m
a
y
g
et
s
o
m
e
m
o
r
e
d
ay
s
to
b
e
p
r
o
ce
s
s
ed
,
w
h
en
th
e
r
ev
ie
w
o
f
th
e
co
n
tr
ac
ts
ar
e
d
o
n
e
b
y
th
e
b
r
o
k
er
s
an
d
th
e
la
w
y
er
s
co
m
e
s
w
i
th
t
h
e
ad
d
itio
n
al
f
o
r
th
e
d
ela
y
an
d
th
e
co
s
t.
I
t
is
co
n
s
id
er
ed
as
u
n
s
af
e
o
f
th
e
g
o
o
d
s
th
at
ar
e
p
ass
in
g
th
r
o
u
g
h
s
e
v
er
al
p
lace
s
g
eo
g
r
ap
h
ical
lo
ca
tio
n
s
(
in
ter
n
atio
n
al
/
n
a
tio
n
al)
to
th
e
d
esti
n
a
tio
n
s
t
h
at
ar
e
d
o
n
e
with
t
h
e
a
g
r
ee
m
en
t
s
[
20
]
.
I
t
is
v
er
y
h
ar
d
f
o
r
tr
ac
in
g
w
h
er
e
t
h
e
g
o
o
d
s
ar
e
co
m
i
n
g
f
r
o
m
an
d
w
h
er
e
i
t
i
s
as,
as
th
o
s
e
d
o
cu
m
en
t
s
ab
o
u
t
t
h
e
d
etail
s
m
a
y
b
e
f
o
r
g
ed
o
r
lo
s
t.
No
w
,
it
i
s
ex
ce
p
tio
n
a
ll
y
f
o
r
clien
ts
/b
u
y
er
s
to
r
ea
ll
y
g
ath
er
th
e
i
n
f
o
r
m
atio
n
o
r
th
e
p
r
o
d
u
cts
v
alu
e
a
n
d
th
e
o
r
ig
i
n
o
f
t
h
e
ite
m
s
,
i
n
th
e
s
u
p
p
l
y
ch
ai
n
s
y
s
te
m
,
t
h
er
e
m
a
y
b
e
lack
in
th
e
p
r
o
d
u
ct
tr
an
s
p
a
r
en
c
y
.
Du
e
to
h
i
g
h
co
m
p
lex
it
y
a
n
d
l
ac
k
o
f
tr
an
s
p
ar
en
c
y
in
t
h
e
c
u
r
r
en
t
s
u
p
p
l
y
c
h
ai
n
,
b
u
s
i
n
e
s
s
p
eo
p
le
ar
e
an
x
io
u
s
to
e
x
p
lo
r
e
th
e
p
o
s
s
ib
ilit
ies
o
f
b
lo
c
k
ch
ai
n
[
2
]
tech
n
o
lo
g
y
to
tr
an
s
f
o
r
m
t
h
e
s
u
p
p
l
y
ch
ai
n
a
n
d
lo
g
is
tic
in
d
u
s
tr
y
[
2
1
].
T
h
e
r
ec
o
r
d
s
ab
o
u
t
t
h
e
d
i
g
ita
l
d
ata
[
22
]
o
r
th
e
ev
e
n
ts
ar
e
s
to
r
ed
i
n
a
Dis
tr
ib
u
ted
L
ed
g
er
ca
lled
th
e
B
lo
ck
C
h
ai
n
[
2
]
.
I
t
is
a
d
atab
ase
th
at
co
n
tai
n
s
tr
a
n
s
ac
t
i
o
n
s
d
etails,
i
n
f
o
r
m
atio
n
&
r
ec
o
r
d
s
ca
lled
b
lo
ck
s
.
T
h
ese
b
lo
ck
s
h
o
ld
i
n
co
r
r
u
p
tib
le
tr
u
s
t
d
u
e
to
its
h
i
g
h
l
y
s
e
cu
r
ed
n
at
u
r
e.
I
t
o
f
f
er
s
a
co
m
p
ellin
g
s
o
l
u
tio
n
b
y
co
m
b
i
n
i
n
g
ac
ce
s
s
ib
ili
t
y
w
i
th
s
ec
u
r
it
y
a
n
d
p
r
iv
ac
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
I
o
T
–
s
ma
r
t c
o
n
tr
a
cts in
d
a
ta
tr
u
s
ted
ex
ch
a
n
g
e
s
u
p
p
lied
ch
a
in
b
a
s
ed
o
n
b
lo
ck
c
h
a
in
(
S
.
Ga
n
esh
K
u
ma
r
)
443
I
n
th
is
Glo
b
alize
d
w
o
r
ld
,
it
is
a
d
if
f
ic
u
lt
p
r
o
ce
s
s
to
d
o
th
e
s
u
p
p
l
y
ch
ai
n
an
d
it
li
k
es
to
b
e
cr
itical
co
m
p
ar
ed
to
o
t
h
er
s
.
T
o
d
ay
t
h
er
e
is
a
s
i
g
n
i
f
ica
n
t
a
m
o
u
n
t
o
f
tr
ap
p
ed
v
alu
e
i
n
lo
g
is
t
ics,
m
o
s
tl
y
s
te
m
m
i
n
g
f
r
o
m
th
e
co
m
p
etiti
v
e
an
d
f
r
ag
m
e
n
te
d
n
atu
r
e
o
f
th
e
lo
g
is
tics
i
n
d
u
s
t
r
y
.
T
h
is
f
r
eq
u
e
n
tl
y
m
a
k
es
lo
w
tr
an
s
p
ar
en
c
y
,
d
ata
w
ar
e
h
o
u
s
e,
u
n
s
ta
n
d
ar
d
ized
p
r
o
ce
s
s
es,
an
d
d
if
f
er
e
n
t le
v
el
s
o
f
tech
n
o
lo
g
y
ap
p
r
o
p
r
iatio
n
.
3
.
1
.
T
ra
c
k
a
bil
it
y
a
nd
t
ra
ns
pa
re
n
cy
A
d
o
p
tin
g
b
lo
ck
ch
ai
n
[
23
]
i
n
s
u
p
p
l
y
c
h
ai
n
co
u
ld
s
u
p
p
o
r
t
tr
u
s
t,
en
h
a
n
ce
d
tr
an
s
p
ar
en
c
y
,
an
d
p
r
ed
ictab
ilit
y
b
y
e
n
ab
li
n
g
clie
n
ts
to
tr
ac
k
w
h
er
e
a
s
h
ip
m
e
n
t
/
o
r
d
er
is
at
an
y
g
i
v
en
t
i
m
e
[
14
].
3
.
2
.
Aut
o
m
a
t
io
n
Use
o
f
s
m
ar
t
co
n
tr
ac
ts
w
il
l
en
ab
le
co
m
p
an
ie
s
to
au
to
m
ate
th
eir
p
u
r
ch
a
s
in
g
p
r
o
ce
s
s
,
w
h
i
ch
lead
s
to
cu
tti
n
g
co
s
ts
a
n
d
s
av
i
n
g
ti
m
e.
S
m
ar
t c
o
n
tr
ac
t
w
i
ll a
ls
o
i
m
p
r
o
v
e
th
e
tr
a
n
s
ac
tio
n
f
lo
w
a
n
d
s
e
cu
r
it
y
i
n
t
h
e
s
u
p
p
l
y
ch
ain
.
3
.
3
.
Acc
ess
i
bil
it
y
U
lili
zi
n
g
b
lo
ck
c
h
ai
n
[
2
]
d
ea
ler
s
ca
n
s
to
r
e
th
e
ir
p
r
o
d
u
ct
o
r
ig
i
n
,
p
lace
o
f
s
to
r
ag
e,
a
u
th
e
n
ticit
y
[
2
4
]
,
p
r
o
d
u
ct
ce
r
tif
icate
s
an
d
r
ec
o
r
d
,
etc.
o
n
a
s
i
n
g
le
led
g
er
.
A
ll
o
f
t
h
e
i
m
p
o
r
tan
t
i
n
f
o
r
m
atio
n
b
ein
g
in
o
n
e
p
lace
w
il
l
m
a
k
e
ac
ce
s
s
ib
ilit
y
d
ata
m
u
c
h
m
o
r
e
ea
s
ier
,
w
h
ich
n
o
t
o
n
l
y
cr
ea
te
m
o
r
e
tr
an
s
p
ar
en
c
y
in
th
e
s
u
p
p
l
y
c
h
ai
n
b
u
t a
ls
o
h
elp
s
i
n
d
ec
r
ea
s
in
g
t
h
e
a
m
o
u
n
t o
f
f
r
au
d
s
a
n
d
g
o
o
d
s
r
o
b
b
er
y
th
at
h
ap
p
en
s
.
3
.
4
.
Securit
y
Sin
ce
a
b
lo
ck
c
h
ai
n
[
3
]
is
an
u
n
ch
a
n
g
in
g
d
is
tr
ib
u
ted
led
g
er
,
ch
an
g
es
i
n
o
w
n
er
s
h
ip
an
d
p
o
s
s
ess
io
n
o
f
g
o
o
d
s
at
an
y
p
o
in
t
co
u
ld
b
e
en
ter
ed
in
to
t
h
e
led
g
er
p
er
m
an
e
n
tl
y
a
n
d
in
s
ta
n
tan
eo
u
s
l
y
.
As
th
e
b
lo
c
k
ch
ai
n
tech
n
o
lo
g
y
is
cr
y
p
to
g
r
ap
h
ica
l
l
y
s
ec
u
r
ed
a
n
d
is
d
ec
en
tr
aliz
ed
,
s
h
ip
p
in
g
,
p
o
s
s
e
s
s
io
n
a
n
d
o
w
n
er
s
h
ip
o
f
d
ata
co
u
ld
b
e
b
etter
p
r
o
tecte
d
f
r
o
m
alter
in
g
o
r
h
ac
k
s
.
3
.
5
.
Q
uic
k
p
a
y
m
ent
s
I
m
p
le
m
e
n
ti
n
g
b
lo
ck
ch
a
in
[
2
]
tech
n
o
lo
g
y
to
t
h
e
p
a
y
m
e
n
t
s
y
s
te
m
co
u
ld
h
elp
i
n
r
ed
u
ci
n
g
g
r
atin
g
i
n
co
m
m
er
cial
f
i
n
an
c
in
g
,
ac
co
r
d
in
g
l
y
d
is
p
o
s
i
n
g
ex
c
h
an
i
n
g
d
eb
ate.
3
.
6
.
Sa
v
es
co
s
t
a
nd
t
i
m
e
T
r
an
s
p
o
r
t
s
u
p
p
lier
s
w
ill
h
av
e
th
e
ca
p
ac
it
y
to
i
n
f
o
r
m
atio
n
a
b
o
u
t
av
ailab
ili
t
y
o
f
s
to
r
in
g
ca
p
ac
it
y
an
d
r
o
u
tes,
w
h
ic
h
w
il
l
d
ec
r
ea
s
e
tr
an
s
p
o
r
t
co
s
ts
an
d
ti
m
e.
C
lie
n
ts
ca
n
k
n
o
w
th
e
o
r
i
g
i
n
o
f
t
h
e
p
r
o
d
u
cts,
m
an
u
f
ac
t
u
r
er
,
d
ate,
tim
e,
etc,
.
4.
SE
Q
U
E
NT
I
A
L
DIA
G
RAM
E
th
er
eu
m
B
lo
ck
c
h
ai
n
Net
w
o
r
k
[
3
]
is
u
s
ed
to
v
er
if
y
te
m
p
e
r
atu
r
e,
tr
ac
k
i
n
g
s
h
ip
m
e
n
t
d
at
a
r
ec
o
r
d
ed
lis
ted
in
t
h
e
f
r
o
n
t
-
e
n
d
.
S
m
ar
t
co
n
tr
ac
ts
w
r
itte
n
in
t
h
e
co
n
tr
a
ct
o
r
ien
ted
p
r
o
g
r
am
m
i
n
g
lan
g
u
ag
e
(
s
o
lid
it
y
)
,
[
8
]
r
u
n
i
n
a
v
ir
t
u
al
m
ac
h
i
n
e,
ca
lle
d
E
th
er
eu
m
[
1
1
,
1
2
,
2
5
]
.
T
h
e
Fig
u
r
e
7
s
h
o
w
s
eq
u
e
n
tia
l
d
iag
r
a
m
th
e
b
lo
ck
c
h
ai
n
.
Fig
u
r
e
7
.
Seq
u
en
tia
l
d
iag
r
a
m
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2088
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
438
-
446
444
Vir
tu
al
Ma
c
h
in
e
(
E
VM
)
g
iv
i
n
g
p
o
w
er
to
th
e
v
er
if
ica
tio
n
o
f
d
ata
b
y
s
m
ar
t c
o
n
tr
ac
t
s
.
a.
S
m
ar
t
C
o
n
tr
ac
t:
is
g
i
v
e
o
u
t
f
o
r
ea
ch
n
e
w
s
h
ip
m
e
n
t,
b
ein
g
r
esp
o
n
s
ib
le
f
o
r
m
a
k
in
g
ce
r
ta
in
t
h
e
d
o
in
g
a
s
r
eq
u
ested
o
f
te
m
p
er
at
u
r
e
d
ata,
tr
ac
k
in
g
s
h
ip
m
e
n
t d
ata
t
h
at
is
co
n
n
ec
ted
w
it
h
th
e
s
h
ip
m
e
n
t.
b.
Mo
b
ile
Dev
ices:
De
v
ice
s
u
s
e
d
b
y
t
h
e
en
d
-
u
s
er
s
to
r
eg
is
te
r
n
e
w
s
h
ip
m
e
n
ts
a
n
d
tr
ac
k
/
s
en
d
r
ec
o
r
d
s
o
f
te
m
p
er
atu
r
e
d
ata
to
th
e
co
m
p
u
ter
ap
p
licatio
n
[
15
].
c.
Sen
s
o
r
s
:
s
e
n
s
iti
v
e
d
ev
ices
ab
l
e
to
ex
is
t
to
g
eth
er
w
it
h
Z
i
g
b
ee
tech
n
o
lo
g
y
co
n
f
ig
u
r
ed
to
s
en
d
d
ata
in
a
f
ix
ed
p
o
llin
g
s
p
ac
e
ti
m
es b
et
w
ee
n
t
o
a
Mo
b
ile
Dev
ice.
5.
T
E
CH
N
I
CA
L
DE
T
A
I
L
S
I
n
t
h
e
b
ac
k
-
e
n
d
,
th
e
te
m
p
er
atu
r
e,
tr
ac
k
i
n
g
s
h
ip
m
en
t
d
o
in
g
as
r
eq
u
e
s
ted
m
ad
e
ce
r
tai
n
b
y
s
m
ar
t
co
n
tr
ac
ts
w
r
it
ten
w
it
h
So
lid
it
y
,
a
h
i
g
h
-
le
v
el
la
n
g
u
a
g
e
d
es
i
g
n
ed
to
co
m
p
ile
co
d
e
f
o
r
E
VM
.
E
ac
h
a
n
d
ev
er
y
p
r
o
d
u
ct
w
it
h
t
h
e
g
r
o
u
p
s
o
r
th
e
n
e
w
l
y
a
g
r
ee
d
s
h
ip
m
e
n
ts
al
w
a
y
s
h
as
t
h
e
p
ar
ticu
lar
r
eq
u
ir
e
m
en
ts
f
o
r
th
e
te
m
p
er
atu
r
e.
T
h
e
GDP
c
o
m
p
lia
n
ce
r
eq
u
ir
e
m
e
n
ts
en
s
u
r
ed
to
d
o
th
e
s
m
ar
t
co
n
tr
ac
t
f
o
r
tr
ac
k
i
n
g
ar
e
d
ep
lo
y
ed
an
d
co
n
f
ig
u
r
ed
.
T
h
e
ch
an
g
es
o
cc
u
r
r
ed
in
t
h
e
s
m
ar
t
co
n
tr
ac
t
s
a
n
d
th
e
p
ar
ticip
atio
n
o
f
th
e
[
1
1
,
1
2
]
E
th
er
eu
m
n
et
w
o
r
k
s
a
r
e
d
o
n
e
b
y
th
e
E
th
er
e
u
m
n
o
d
es
[
2
6
]
,
th
at
in
itiate
s
t
h
e
n
e
w
co
n
tr
ac
t
s
f
u
n
ctio
n
s
.
T
h
e
co
m
m
u
n
icatio
n
b
y
th
e
E
th
er
e
u
m
n
o
d
es
b
y
t
h
e
HT
T
P
(
Hy
p
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t
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s
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o
v
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th
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J
SON
(
J
av
aScr
ip
t
Ob
j
ec
t
No
tatio
n
)
.
T
h
e
r
an
g
es
o
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te
m
p
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r
e
ar
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ied
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y
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s
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ar
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co
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t
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to
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f
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as
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al
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es i
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ar
t c
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h
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th
e
An
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f
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t
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t
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C
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esen
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tate
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an
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(
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p
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licatio
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g
r
a
m
m
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n
ter
f
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[
27
]
a
r
e
d
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e
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y
t
h
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s
i
n
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th
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J
SON
[
9
]
.
T
h
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th
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ates
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g
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r
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ter
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n
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s
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k
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d
ata,
p
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as
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en
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also
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s
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d
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at
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ee
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a
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et
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d
t
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r
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.
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h
e
c
o
m
p
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ter
s
to
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es
th
e
a
s
s
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ciatio
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d
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a
k
es
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ex
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ce
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s
ts
th
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s
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ar
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an
d
s
to
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D
o
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n
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o
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w
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p
lace
d
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h
e
s
en
s
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ev
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s
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ec
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r
d
in
g
ev
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1
0
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i
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m
p
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e
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.
Scan
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esti
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.
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h
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eq
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r
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p
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ter
to
co
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t
to
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s
e
n
s
o
r
d
ev
ice
[
15
]
.
T
h
en
t
h
e
A
n
d
r
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id
clien
t
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to
m
ati
ca
ll
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d
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w
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lo
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s
all
te
m
p
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ata,
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ac
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o
ca
tio
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etails
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to
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On
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s
d
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[
1
1
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1
2
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E
th
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[
1
1
,
1
2
]
.
T
h
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s
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s
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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(
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.
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K
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445
6.
SUM
M
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CO
NCLUS
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AND
F
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Ma
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[
2
6
]
.
Ho
w
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v
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lo
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c
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s
u
s
ed
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n
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P
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p
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RE
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NC
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[1
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Am
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a
J
Ne
n
e
,
“
E
m
p
lo
y
a
b
il
it
y
o
f
b
lo
c
k
c
h
a
in
te
c
h
n
o
l
o
g
y
in
d
e
f
e
n
c
e
a
p
p
li
c
a
ti
o
n
s
,
”
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
In
tell
ig
e
n
t
S
u
sta
i
n
a
b
le
S
y
ste
ms
(
ICIS
S
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
l
ish
e
r:
IEE
E
,
2
0
1
7
.
[2
]
S
a
ty
a
b
ra
ta
A
ich
,
S
a
b
y
a
sa
c
h
i
Ch
a
k
ra
b
o
rty
,
M
a
n
g
a
l
S
a
in
,
Hy
e
-
in
L
e
e
,
He
e
-
Ch
e
o
l
Kim
,
“
A
Re
v
ie
w
o
n
Be
n
e
f
it
s
o
f
Io
T
In
teg
ra
ted
Blo
c
k
c
h
a
in
b
a
se
d
S
u
p
p
ly
Ch
a
in
M
a
n
a
g
e
m
e
n
t
Im
p
lem
e
n
tatio
n
s
a
c
ro
ss
Dif
fe
re
n
t
S
e
c
to
rs
w
it
h
Ca
se
S
tu
d
y
,
”
2
1
st
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Ad
v
a
n
c
e
d
Co
mm
u
n
ica
ti
o
n
T
e
c
h
n
o
lo
g
y
(
ICACT
)
,
2
0
1
9
.
DO
I:
1
0
.
2
3
9
1
9
/ICA
CT
.
2
0
1
9
.
8
7
0
1
9
1
0
.
[3
]
S
i
Ch
e
n
,
R
u
i
S
h
i,
Z
h
u
a
n
g
y
u
Re
n
,
Jia
q
i
Ya
n
,
Ya
n
i
S
h
i,
Ji
n
y
u
Zh
a
n
g
“
A
Blo
c
k
c
h
a
in
-
Ba
se
d
S
u
p
p
ly
Ch
a
in
Qu
a
li
ty
M
a
n
a
g
e
m
e
n
t
F
ra
m
e
w
o
r
k
,
”
P
u
b
l
i
sh
e
d
in
:
2
0
1
7
IEE
E
1
4
th
In
ter
n
a
ti
o
n
a
l
C
o
n
fer
e
n
c
e
o
n
e
-
Bu
si
n
e
ss
En
g
in
e
e
rin
g
(
ICEB
E)
,
2
0
1
7
.
DO
I:
1
0
.
1
1
0
9
/IC
EBE
.
2
0
1
7
.
3
4
.
[4
]
Ra
n
d
h
ir
Ku
m
a
r,
Ra
k
e
sh
T
rip
a
t
h
i
,
“
T
ra
c
e
a
b
il
it
y
o
f
c
o
u
n
terf
e
it
m
e
d
icin
e
su
p
p
ly
c
h
a
in
th
ro
u
g
h
Blo
c
k
c
h
a
in
,
”
P
u
b
l
ish
e
d
in
:
1
1
th
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
C
o
mm
u
n
ic
a
ti
o
n
S
y
ste
ms
&
N
e
two
rk
s
(
C
OM
S
NET
S
)
,
2
0
1
9
.
DO
I:
1
0
.
1
1
0
9
/CO
M
S
NET
S
.
2
0
1
9
.
8
7
1
1
4
1
8
.
[5
]
S
h
a
n
g
p
i
n
g
W
a
n
g
,
Do
n
g
y
i
L
i,
Ya
li
n
g
Zh
a
n
g
,
Ju
a
n
j
u
a
n
Ch
e
n
,
“
S
m
a
rt
Co
n
trac
t
-
Ba
se
d
P
r
o
d
u
c
t
T
ra
c
e
a
b
il
it
y
S
y
ste
m
in
t
h
e
S
u
p
p
ly
Ch
a
in
S
c
e
n
a
rio
,
”
IE
EE
Acc
e
ss
:
V
o
l
u
m
e
:
7
,
2
0
1
9
.
DO
I:1
0
.
1
1
0
9
/A
CCES
S
.
2
0
1
9
.
2
9
3
5
8
7
3
.
[6
]
Be
n
h
e
G
a
o
,
Qia
n
Zh
o
u
,
S
h
ig
a
n
g
L
i,
X
in
g
l
u
L
iu
,
“
Ev
e
rled
g
e
r
A
Re
a
l
T
i
m
e
S
tare
in
M
a
rk
e
t
S
trate
g
y
f
o
r
S
u
p
p
ly
Ch
a
in
F
i
n
a
n
c
in
g
P
led
g
e
Risk
M
a
n
a
g
e
m
e
n
t,
”
2
0
1
8
IEE
E
I
n
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
In
d
u
stria
l
E
n
g
i
n
e
e
rin
g
a
n
d
En
g
i
n
e
e
rin
g
M
a
n
a
g
e
me
n
t
(
IEE
M
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
s
h
e
r:
I
EE
E
,
2
0
1
8
.
[7
]
Yo
n
g
g
u
i
F
u
,
Jia
n
m
in
g
Zh
u
,
“
Big
P
ro
d
u
c
ti
o
n
En
terp
r
ise
S
u
p
p
ly
Ch
a
in
E
n
d
o
g
e
n
o
u
s
Risk
M
a
n
a
g
e
m
e
n
t
Ba
se
d
o
n
Blo
c
k
c
h
a
in
,
”
IEE
EA
c
c
e
ss
,
Vo
lu
m
e
7
,
Jo
u
rn
a
l
A
rti
c
le,
P
u
b
l
is
h
e
r:
IE
EE
,
2
0
1
9
.
[8
]
M
ich
a
e
l
M
y
lre
a
,
S
ri
Nik
h
il
G
u
p
ta
G
o
u
rise
tt
i,
“
Blo
c
k
c
h
a
in
f
o
r
S
u
p
p
ly
Ch
a
in
C
y
b
e
rse
c
u
rit
y
,
O
p
ti
m
iza
ti
o
n
a
n
d
Co
m
p
li
a
n
c
e
,
”
2
0
1
8
Res
il
ien
c
e
W
e
e
k
(
R
W
S
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
IEE
E
,
2
0
1
8
.
[9
]
M
it
su
a
k
i
Na
k
a
su
m
i,
“
In
f
o
r
m
a
ti
o
n
S
h
a
rin
g
f
o
r
S
u
p
p
ly
Ch
a
in
M
a
n
a
g
e
m
e
n
t
Ba
se
d
o
n
Bl
o
c
k
Ch
a
in
T
e
c
h
n
o
lo
g
y
,
2
0
1
7
IEE
E
1
9
th
Co
n
fer
e
n
c
e
o
n
Bu
si
n
e
ss
In
fo
rm
a
t
ics
(
CBI)
,
V
o
l
u
m
e
:
0
1
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
s
h
e
r:
IE
EE
,
2
0
1
7
.
[1
0
]
S
id
ra
M
a
li
k
,
S
a
li
l
S
.
Ka
n
h
e
re
,
Ra
ja
Ju
rd
a
k
“
P
ro
d
u
c
tC
h
a
in
:
S
c
a
lab
le
Blo
c
k
c
h
a
in
F
ra
m
e
w
o
rk
to
S
u
p
p
o
rt
P
ro
v
e
n
a
n
c
e
in
S
u
p
p
ly
Ch
a
in
s,
”
2
0
1
8
IEE
E
1
7
th
In
ter
n
a
ti
o
n
a
l
S
y
mp
o
si
u
m
o
n
Ne
two
rk
Co
mp
u
ti
n
g
a
n
d
Ap
p
l
i
c
a
ti
o
n
s
(
NCA)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
I
EE
E,
2
0
1
8
.
[1
1
]
S
a
n
d
i
Ra
h
m
a
d
ik
a
,
Bru
n
o
J
o
a
c
h
i
m
K
we
k
a
,
Ch
o
Nw
e
Zi
n
L
a
tt
,
Ky
u
n
g
-
H
y
u
n
e
Rh
e
e
,
“
A
P
re
li
m
in
a
ry
A
p
p
ro
a
c
h
o
f
Blo
c
k
c
h
a
in
T
e
c
h
n
o
lo
g
y
in
S
u
p
p
ly
Ch
a
in
S
y
ste
m
,
”
2
0
1
8
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Da
ta
M
in
i
n
g
W
o
rk
sh
o
p
s (
ICDM
W
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
s
h
e
r:
IEE
E
,
2
0
1
8
.
[1
2
]
M
ig
u
e
l
P
in
c
h
e
ira
Ca
ro
,
M
u
h
a
m
m
a
d
S
a
lek
A
li
,
M
a
ss
i
m
o
V
e
c
c
h
io
,
Ra
ff
a
e
le
G
ia
ff
re
d
a
,
“
B
lo
c
k
c
h
a
in
-
b
a
se
d
trac
e
a
b
il
it
y
in
Ag
ri
-
F
o
o
d
s
u
p
p
ly
c
h
a
in
m
a
n
a
g
e
m
e
n
t:
A
p
ra
c
ti
c
a
l
im
p
le
m
e
n
tat
io
n
,
”
2
0
1
8
I
o
T
Ver
ti
c
a
l
a
n
d
T
o
p
ica
l
S
u
mm
it
o
n
Ag
ric
u
l
tu
re
-
T
u
sc
a
n
y
(
IOT
T
u
sc
a
n
y
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r
,
P
u
b
li
sh
e
r:
IEE
E,
2
0
1
8
.
[1
3
]
T
h
o
m
a
s
Bo
c
e
k
,
Bru
n
o
B.
Ro
d
ri
g
u
e
s,
T
i
m
S
tras
s
e
r,
Bu
rk
h
a
rd
S
ti
ll
e
r
,
“
Blo
c
k
c
h
a
in
s
e
v
e
r
y
w
h
e
re
-
a
u
se
-
c
a
se
o
f
b
lo
c
k
c
h
a
in
s
in
th
e
p
h
a
rm
a
s
u
p
p
ly
-
c
h
a
in
,
”
2
0
1
7
IFI
P/
I
EE
E
S
y
mp
o
siu
m
o
n
In
teg
r
a
ted
Ne
two
r
k
a
n
d
S
e
rv
ice
M
a
n
a
g
e
me
n
t
(
IM
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
IEE
E,
2
0
1
7
.
[1
4
]
T
.
A
.
A
lh
m
ied
a
t
a
n
d
S
.
H.
Y
a
n
g
,
“
A
Zi
g
Be
e
-
b
a
s
e
d
M
o
b
i
le
trac
k
in
g
s
y
ste
m
th
ro
u
g
h
wire
les
s
s
e
n
so
r
n
e
tw
o
rk
s
,”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
A
d
v
a
n
c
e
d
M
e
c
h
a
tro
n
ic S
y
ste
ms
,
v
o
l.
1
,
p
p
.
6
3
-
70
,
2
0
0
8
.
[1
5
]
R.
K.
S
h
a
rm
a
,
e
t
a
l
.
,
“
A
n
d
ro
i
d
i
n
terf
a
c
e
b
a
s
e
d
G
S
M
h
o
m
e
se
c
u
ri
ty
s
y
ste
m
,”
I
ss
u
e
s
a
n
d
C
h
a
l
len
g
e
s
in
I
n
telli
g
e
n
t
Co
mp
u
t
in
g
T
e
c
h
n
iq
u
e
s (
ICICT
),
2
0
1
4
I
n
ter
n
a
t
io
n
a
l
C
o
n
fer
e
n
c
e
o
n
.
IEE
E
,
2
0
1
4
.
[1
6
]
J.
Blu
m
e
n
th
a
l,
e
t
a
l
.,
“
W
e
ig
h
ted
c
e
n
tro
i
d
lo
c
a
li
z
a
ti
o
n
i
n
Zi
g
Be
e
-
b
a
se
d
se
n
so
r
n
e
tw
o
rk
s
,
”
Fo
li
e
n
IEE
E
In
ter
n
a
ti
o
n
a
l
S
y
mp
o
si
u
m o
n
In
telli
g
e
n
t
S
i
g
n
a
l
Pro
c
e
ss
in
g
,
W
IS
P
,
M
a
d
ri
d
,
S
p
a
in
,
2
0
0
7
.
[1
7
]
Kristjan
Ku
h
i,
Ka
ti
Ka
a
re
,
Ot
t
Ko
p
p
e
l,
“
En
s
u
rin
g
p
e
rf
o
rm
a
n
c
e
m
e
a
su
re
m
e
n
t
in
teg
rit
y
in
lo
g
isti
c
s
u
sin
g
b
lo
c
k
c
h
a
in
,
”
2
0
1
8
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
S
e
rv
ice
Op
e
ra
ti
o
n
s
a
n
d
L
o
g
isti
c
s,
a
n
d
I
n
fo
r
ma
ti
c
s
(
S
OLI)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
I
EE
E
,
2
0
1
8
.
[1
8
]
Jin
g
Hu
a
,
X
i
u
ju
a
n
W
a
n
g
,
M
e
n
g
z
h
e
n
Ka
n
g
,
Ha
o
y
u
W
a
n
g
,
F
e
i
-
Yu
e
W
a
n
g
,
“
Blo
c
k
c
h
a
in
Ba
se
d
P
r
o
v
e
n
a
n
c
e
f
o
r
Ag
ricu
lt
u
ra
l
P
ro
d
u
c
ts:
A
Distrib
u
ted
P
latf
o
rm
w
it
h
Du
p
li
c
a
ted
a
n
d
S
h
a
re
d
Bo
o
k
k
e
e
p
in
g
,
”
2
0
1
8
I
EE
E
In
tell
ig
e
n
t
Veh
icle
s S
y
mp
o
si
u
m (
IV)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
s
h
e
r:
IEE
E,
2
0
1
8
.
[1
9
]
A
p
a
rn
a
R
a
m
a
li
n
g
a
iah
,
T
h
a
n
iy
a
S
u
lt
h
a
n
a
,
“
S
tu
d
y
o
f
Blo
c
k
c
h
a
in
w
it
h
Bit
c
o
in
b
a
se
d
F
u
n
d
Ra
ise
Us
e
c
a
se
u
sin
g
L
a
ra
v
e
l
F
ra
m
e
w
o
rk
,
”
2
0
1
8
3
rd
I
n
ter
n
a
ti
o
n
a
l
C
o
n
fer
e
n
c
e
o
n
Co
m
p
u
t
a
ti
o
n
a
l
S
y
ste
ms
a
n
d
In
fo
rm
a
t
io
n
T
e
c
h
n
o
lo
g
y
fo
r S
u
sta
i
n
a
b
le S
o
l
u
ti
o
n
s (
CS
IT
S
S
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
I
EE
E,
2
0
1
8
.
[2
0
]
A
d
n
a
n
I
m
e
ri,
Dja
m
e
l
Kh
a
d
ra
o
u
i,
“
T
h
e
S
e
c
u
rit
y
a
n
d
T
r
a
c
e
a
b
i
li
ty
o
f
S
h
a
re
d
In
f
o
r
m
a
ti
o
n
in
th
e
P
r
o
c
e
ss
o
f
T
ra
n
sp
o
rtatio
n
o
f
Da
n
g
e
ro
u
s
G
o
o
d
s,
”
2
0
1
8
9
th
I
FIP
I
n
ter
n
a
t
io
n
a
l
Co
n
fer
e
n
c
e
o
n
Ne
w
T
e
c
h
n
o
l
o
g
ie
s,
M
o
b
il
it
y
a
n
d
S
e
c
u
rity (
NT
M
S
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
IE
EE
,
2
0
1
8
.
[2
1
]
G
u
id
o
P
e
r
b
o
li
,
S
tef
a
n
o
M
u
ss
o
,
M
a
rian
g
e
la
Ro
sa
n
o
,
“
Blo
c
k
c
h
a
in
in
L
o
g
isti
c
s
a
n
d
S
u
p
p
ly
Ch
a
in
:
A
L
e
a
n
A
p
p
ro
a
c
h
f
o
r
De
sig
n
in
g
Re
a
l
-
W
o
rld
Us
e
Ca
se
s,
”
IEE
E
Acc
e
ss
,
V
o
lu
m
e
:
6
,
J
o
u
rn
a
l
A
rti
c
le,
P
u
b
li
sh
e
r:
I
EE
E,
2
0
1
8
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2088
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
438
-
446
446
[2
2
]
W
e
izh
i
M
e
n
g
,
El
m
a
r
W
o
l
f
g
a
n
g
T
isc
h
h
a
u
se
r,
Qin
g
ju
W
a
n
g
,
Yu
W
a
n
g
,
Ji
n
g
u
a
n
g
Ha
n
,
“
W
h
e
n
In
t
ru
sio
n
De
tec
ti
o
n
M
e
e
ts
Blo
c
k
c
h
a
in
T
e
c
h
n
o
lo
g
y
:
A Re
v
ie
w
,
”
IEE
E
Acc
e
ss
,
V
o
lu
m
e
:
6
,
Jo
u
rn
a
l
A
rti
c
le,
P
u
b
li
s
h
e
r:
IEE
E,
2
0
1
8
.
[2
3
]
S
h
u
a
n
g
S
u
,
Ke
W
a
n
g
,
Hy
o
n
g
S
.
Kim
,
“
S
m
a
rtsu
p
p
ly
:
S
m
a
rt
Co
n
trac
t
Ba
se
d
V
a
li
d
a
ti
o
n
f
o
r
S
u
p
p
ly
Ch
a
in
Blo
c
k
c
h
a
in
,
”
2
0
1
8
IEE
E
I
n
ter
n
a
t
i
o
n
a
l
Co
n
fer
e
n
c
e
o
n
In
ter
n
e
t
o
f
T
h
in
g
s
(
iT
h
in
g
s)
a
n
d
IEE
E
Gr
e
e
n
Co
mp
u
t
in
g
a
n
d
Co
mm
u
n
ica
ti
o
n
s
(
Gr
e
e
n
Co
m)
a
n
d
IEE
E
Cy
b
e
r,
P
h
y
sic
a
l
a
n
d
S
o
c
i
a
l
Co
mp
u
ti
n
g
(
CPS
Co
m)
a
n
d
IE
EE
S
ma
rt
Da
ta
(
S
ma
rtDa
ta
)
,
C
o
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
l
ish
e
r:
IEE
E,
2
0
1
8
.
[2
4
]
M
a
rk
Kim
,
Brian
Hilt
o
n
,
Zac
h
B
u
rk
s,
Jo
rd
a
n
Re
y
e
s,
“
In
teg
ra
ti
n
g
Blo
c
k
c
h
a
in
,
S
m
a
rt
Co
n
trac
t
-
T
o
k
e
n
s,
a
n
d
Io
T
t
o
De
sig
n
a
F
o
o
d
T
ra
c
e
a
b
il
it
y
S
o
lu
ti
o
n
,
”
2
0
1
8
IEE
E
9
th
A
n
n
u
a
l
I
n
fo
rm
a
t
io
n
T
e
c
h
n
o
lo
g
y
,
El
e
c
tro
n
ics
a
n
d
M
o
b
il
e
Co
mm
u
n
ica
ti
o
n
C
o
n
fer
e
n
c
e
(
IEM
CON)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
s
h
e
r:
IEE
E,
2
0
1
8
.
[2
5
]
L
e
o
n
o
r
A
u
g
u
sto
,
Ru
b
e
n
Co
sta
,
Jo
sé
F
e
rre
ira,
Rica
rd
o
Ja
rd
i
m
-
Go
n
ç
a
lv
e
s,
“
A
n
A
p
p
li
c
a
ti
o
n
o
f
E
th
e
re
u
m
s
m
a
rt
c
o
n
trac
ts
a
n
d
Io
T
to
lo
g
isti
c
s,
”
2
0
1
9
In
ter
n
a
ti
o
n
a
l
Y
o
u
n
g
En
g
in
e
e
rs
Fo
ru
m
(
Y
EF
-
ECE
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
l
ish
e
r:
IEE
E
,
2
0
1
9
.
[2
6
]
Ra
j
a
Ja
y
a
ra
m
a
n
,
F
a
ti
m
a
A
lHa
m
m
a
d
i,
M
e
c
it
Ca
n
Em
re
S
im
s
e
k
ler,
“
M
a
n
a
g
in
g
P
r
o
d
u
c
t
Re
c
a
ll
s in
He
a
lt
h
c
a
re
S
u
p
p
ly
Ch
a
in
,
”
2
0
1
8
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
In
d
u
stri
a
l
En
g
i
n
e
e
rin
g
a
n
d
En
g
in
e
e
rin
g
M
a
n
a
g
e
me
n
t
(
IEE
M
)
,
Co
n
f
e
re
n
c
e
P
a
p
e
r,
P
u
b
li
sh
e
r:
I
EE
E,
Ye
a
r:
2
0
1
8
.
[2
7
]
S
h
a
rm
a
,
Ru
p
a
m
Ku
m
a
r,
e
t
a
l
.
“
A
n
d
ro
id
i
n
terf
a
c
e
b
a
se
d
G
S
M
h
o
m
e
se
c
u
rit
y
s
y
ste
m
,
”
Is
su
e
s
a
n
d
Ch
a
ll
e
n
g
e
s
in
In
telli
g
e
n
t
Co
m
p
u
t
in
g
T
e
c
h
n
iq
u
e
s (
ICICT
)
,
In
tern
a
ti
o
n
a
l
C
o
n
f
e
re
n
c
e
o
n
IE
EE
,
2
0
1
4
.
Evaluation Warning : The document was created with Spire.PDF for Python.