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a
p
p
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td
o
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r
ap
p
licatio
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[
1
]
.
T
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is
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ev
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ca
p
ab
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w
it
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s
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s
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k
tr
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m
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io
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q
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en
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[
2
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.
T
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W
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ar
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m
in
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[
3
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Fu
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r
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[
4
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.
A
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t
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ased
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t
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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8708
I
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&
C
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g
,
Vo
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9
,
No
.
4
,
A
u
g
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s
t
201
9
:
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6
9
5
-
2702
2696
co
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s
tr
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w
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W
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r
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[
5
-
7
]
an
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ev
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l
u
tio
n
s
t
o
p
r
eser
v
e
its
p
r
iv
ac
y
an
d
t
o
p
r
o
v
id
e
r
o
b
u
s
t
p
r
o
tectio
n
w
it
h
co
n
s
id
er
in
g
it
s
r
eso
u
r
ce
li
m
itat
io
n
s
[8
-
1
0
]
.
Hen
ce
,
p
r
o
v
id
in
g
an
e
n
er
g
y
e
f
f
i
cien
t
s
ec
u
r
it
y
m
ec
h
a
n
i
s
m
i
n
W
SN
is
n
o
t
a
s
i
m
p
le
j
o
b
.
T
h
er
ef
o
r
e,
th
er
e
i
s
a
n
e
ed
o
f
o
p
ti
m
al
s
ec
u
r
it
y
ap
p
r
o
ac
h
t
h
at
k
ee
p
s
W
SN
s
ec
u
r
e,
r
eliab
le,
lo
n
g
li
f
e
f
u
n
ctio
n
i
n
g
,
a
n
d
p
r
eser
v
e
f
r
o
m
t
h
e
v
ar
io
u
s
attac
k
s
.
T
h
is
p
a
p
er
p
r
ese
n
ts
a
d
is
cu
s
s
io
n
o
f
n
o
v
el
s
o
lu
t
io
n
t
h
at
is
m
ea
n
t
f
o
r
b
alan
cin
g
th
e
s
ec
u
r
it
y
d
e
m
a
n
d
s
as
w
ell
as
en
er
g
y
r
elate
d
d
e
m
a
n
d
s
o
f
w
s
n
.
A
l
g
o
r
ith
m
is
b
r
ief
d
in
Sectio
n
2
w
h
ile
r
es
u
lt i
s
d
is
c
u
s
s
ed
in
Sec
tio
n
3
an
d
s
u
m
m
ar
y
in
Sectio
n
4
.
T
h
is
s
ec
tio
n
p
r
ese
n
ts
s
tate
o
f
t
h
e
ar
t
in
th
e
d
o
m
a
in
o
f
W
SN
s
ec
u
r
it
y
f
o
r
r
ea
lizi
n
g
th
e
c
u
r
r
en
t
s
ta
tu
s
o
f
p
r
o
g
r
ess
i
n
W
SN
ap
p
licat
io
n
s
.
T
h
e
w
o
r
k
ta
k
e
n
i
n
th
e
s
tu
d
y
o
f
I
llia
n
o
et
al.
[
1
1
]
h
av
e
co
n
s
id
er
ed
th
e
p
r
o
b
lem
o
f
m
alev
o
le
n
t
d
ata
i
n
s
er
tio
n
i
n
t
h
e
W
SN
a
n
d
p
r
esen
ted
a
n
o
p
ti
m
izatio
n
alg
o
r
it
h
m
to
i
m
p
r
o
v
e
t
h
e
ev
en
t
d
etec
tio
n
o
p
er
atio
n
an
d
to
en
h
a
n
ce
th
e
e
f
f
icien
c
y
o
f
a
n
o
m
al
y
d
etec
tio
n
i
n
W
SN.
T
h
e
w
o
r
k
ca
r
r
ied
o
u
t
b
y
Mo
h
in
d
r
u
,
a
n
d
Sin
g
h
[
1
2
]
ca
m
e
o
u
t
w
ith
t
h
e
en
er
g
y
ef
f
icien
t
n
o
d
e
v
alid
atio
n
al
g
o
r
ith
m
b
ased
o
n
t
h
e
cr
y
p
to
g
r
ap
h
ic
co
n
ce
p
t
to
d
e
tect
th
e
n
o
d
e
r
ep
licatio
n
attac
k
s
an
d
p
r
ev
en
t
W
SN
f
r
o
m
o
th
er
n
o
d
e
co
m
p
r
o
m
i
s
ed
attac
k
s
.
B
y
co
n
s
id
er
in
g
r
eso
u
r
ce
co
n
s
tr
ain
t
p
r
o
p
er
ty
o
f
s
e
n
s
o
r
n
o
d
es
th
e
w
o
r
k
o
f
P
o
r
iy
e
a
n
d
Up
ad
h
y
a
y
a
[
1
3
]
h
av
e
o
f
f
er
ed
a
n
e
w
s
ec
u
r
it
y
s
ch
e
m
e
b
ased
o
n
th
e
DN
A
c
r
y
p
to
g
r
ap
h
y
tec
h
n
i
q
u
e
an
d
s
e
cu
r
es
s
o
ck
et
la
y
er
p
r
o
to
co
l t
o
in
cr
ea
s
e
th
e
lev
e
l
o
f
s
en
s
o
r
n
o
d
e
s
ec
u
r
it
y
in
W
S
N.
Ven
k
atr
a
m
a
n
an
d
K
u
m
ar
et
al.
[
1
4
]
h
av
e
p
r
esen
ted
a
s
m
ar
t
co
n
tr
o
l
s
y
s
te
m
b
ased
o
n
a
d
is
tr
ib
u
ted
s
y
s
te
m
o
f
au
to
m
atio
n
co
n
ce
p
t
to
s
ec
u
r
e
th
e
w
h
o
le
n
et
w
o
r
k
f
r
o
m
m
alic
io
u
s
attac
k
s
,
to
i
m
p
r
o
v
e
d
ata
r
eliab
ilit
y
an
d
to
en
h
a
n
ce
t
h
e
o
v
er
all
p
er
f
o
r
m
a
n
ce
o
f
s
en
s
o
r
n
et
w
o
r
k
.
Mo
v
as
s
a
g
h
i
et
al.
[
1
5
]
p
r
esen
ts
a
s
p
ec
tr
u
m
allo
ca
tio
n
d
ep
en
d
en
t
n
o
v
el
i
n
ter
f
er
e
n
ce
m
iti
g
atio
n
ap
p
r
o
ac
h
f
o
r
w
ir
eles
s
b
o
d
y
ar
ea
n
et
w
o
r
k
i
n
o
r
d
er
to
i
m
p
r
o
v
e
it
s
Qo
S.
L
i
et
al.
[
1
6
]
h
av
e
a
n
al
y
s
e
s
s
o
m
e
e
x
is
t
i
n
g
au
t
h
e
n
ticatio
n
tec
h
n
iq
u
es
t
h
at
ca
r
r
ied
f
o
r
r
ea
l
-
ti
m
e
W
SN
ap
p
licatio
n
.
T
h
e
f
i
n
d
in
g
s
o
f
t
h
e
p
r
esen
ted
in
v
est
ig
atio
n
s
h
o
w
th
a
t
t
h
e
cu
r
r
e
n
t
tech
n
iq
u
es
ar
e
s
til
l
in
a
cr
itical
p
h
ase
t
h
at
s
u
f
f
er
s
f
r
o
m
d
ata
lo
s
s
att
ac
k
a
n
d
les
s
u
s
er
an
o
n
y
m
i
t
y
a
n
d
f
r
ien
d
li
n
es
s
.
T
h
e
w
o
r
k
o
f
C
h
e
n
et
a
l.
[
1
7
]
h
av
e
i
n
v
en
te
d
an
ad
v
a
n
ce
d
,
in
te
lli
g
en
t
an
d
r
eliab
le
r
o
u
tin
g
p
r
o
to
co
l
b
ased
o
n
o
p
p
o
r
tu
n
is
tic
r
o
u
tin
g
tec
h
n
iq
u
e
to
ac
h
iev
e
h
ig
h
er
ac
c
u
r
ac
y
d
ata
tr
a
n
s
m
i
s
s
io
n
w
it
h
i
n
a
f
ix
ed
in
ter
v
al
o
f
ti
m
e
f
o
r
C
y
b
er
-
p
h
y
s
ical
s
y
s
te
m
W
SN.
Sin
g
h
et
al.
[
1
8
]
h
a
v
e
u
tili
ze
d
th
e
co
n
ce
p
ts
o
f
F
u
zz
y
s
y
s
te
m
a
n
d
n
eu
r
al
n
e
t
w
o
r
k
a
n
d
d
e
v
elo
p
ed
an
en
h
a
n
ce
d
h
y
b
r
id
in
ter
f
er
en
ce
d
etec
tio
n
s
y
s
te
m
to
id
e
n
ti
f
y
th
e
d
if
f
er
e
n
t
t
y
p
es
o
f
attac
k
s
a
n
d
to
b
ec
o
m
e
a
w
ar
e
o
f
co
m
p
r
o
m
i
s
e
d
n
o
d
es
i
n
t
h
e
W
SN.
Z
h
an
g
et
a
l.
[
1
9
]
u
s
es
E
llip
tic
C
u
r
v
e
s
C
r
y
p
to
g
r
ap
h
y
tec
h
n
iq
u
e
f
o
r
k
e
y
ex
ch
a
n
g
e
p
r
o
to
co
l
an
o
n
y
m
o
u
s
l
y
i
n
t
h
e
W
SN.
T
h
e
ex
p
er
i
m
en
tal
o
u
tco
m
e
s
s
h
o
w
th
a
t
t
h
e
p
r
esen
ted
tec
h
n
iq
u
e
ac
h
i
ev
e
s
b
etter
s
ec
u
r
it
y
m
ec
h
an
is
m
,
b
u
t
it
h
as
a
d
is
ad
v
an
ta
g
e
t
h
at
it
co
n
s
u
m
e
s
h
ig
h
er
en
e
r
g
y
.
T
ian
et
al.
[
2
0
]
h
av
e
in
tr
o
d
u
ce
d
a
m
o
d
i
f
ied
v
er
s
io
n
o
f
m
ix
ed
i
n
te
g
er
a
n
d
n
o
n
lin
ea
r
p
r
o
g
r
a
m
m
i
n
g
a
n
d
g
a
v
e
a
j
o
in
t
ap
p
r
o
ac
h
o
f
f
u
l
l
d
u
p
le
x
a
n
d
s
ec
u
r
it
y
b
y
co
n
s
id
er
in
g
cr
o
s
s
-
la
y
er
o
p
ti
m
izatio
n
to
i
m
p
r
o
v
e
t
h
e
en
er
g
y
u
tili
za
tio
n
,
sp
ec
tr
u
m
e
f
f
icie
n
c
y
a
n
d
to
e
n
h
a
n
ce
th
e
s
ec
u
r
it
y
lev
el.
A
l
v
es
et
al.
[
2
1
]
h
av
e
ar
g
u
ed
th
at
SDN
(
So
f
t
w
ar
e
d
ef
in
ed
n
et
w
o
r
k
)
h
a
v
e
t
h
e
ca
p
ab
ilit
y
to
p
r
o
v
id
e
b
etter
f
le
x
ib
ilit
y
in
W
SN.
T
h
e
au
th
o
r
s
h
av
e
p
r
esen
ted
a
n
SDN
b
ased
m
o
d
el
to
h
an
d
le
n
o
d
e
d
e
p
lo
y
m
en
t a
n
d
ef
f
icie
n
t
d
is
tr
ib
u
tio
n
o
f
a
s
y
m
m
etr
ic
k
e
y
.
Z
h
an
g
et
al.
[
2
2
]
co
n
s
tr
u
cted
an
I
n
tr
u
s
io
n
d
etec
tio
n
s
y
s
te
m
b
ased
o
n
s
el
f
-
ad
ap
ti
v
e
a
n
d
a
ctiv
e
tr
u
s
t
th
r
es
h
o
ld
m
ec
h
a
n
is
m
to
d
etec
t
m
alic
io
u
s
b
eh
a
v
io
r
an
d
to
c
o
n
tr
o
l
o
v
er
h
ea
d
p
r
o
b
le
m
i
n
W
SN.
Z
h
u
et
al.
[
2
3
]
h
av
e
p
r
ese
n
ted
an
o
v
er
v
ie
w
o
f
p
h
y
s
ical
la
y
er
s
ec
u
r
it
y
i
n
I
W
SNs
to
p
o
in
t
o
u
t
s
o
m
e
c
h
al
len
g
e
s
a
n
d
ess
e
n
tial
r
eq
u
ir
e
m
en
ts
to
i
m
p
r
o
v
e
b
o
th
s
ec
u
r
it
y
an
d
I
W
SN
o
v
er
all
p
er
f
o
r
m
an
ce
.
R
an
a
[
2
4
]
h
as
p
r
esen
ted
a
d
is
tr
ib
u
ted
esti
m
atio
n
tec
h
n
iq
u
e
f
o
r
co
n
t
r
o
llin
g
c
y
b
er
attac
k
s
an
d
s
tab
ilizatio
n
tec
h
n
iq
u
e
f
o
r
co
n
tr
o
llin
g
p
ac
k
et
lo
s
s
in
th
e
elec
tr
ic
v
e
h
icles.
Ku
m
ar
e
t
al.
[
2
5
]
f
o
cu
s
ed
o
n
th
e
is
s
u
e
r
elate
d
w
i
th
s
ec
u
r
e
lo
ca
lizati
o
n
o
f
s
en
s
o
r
n
o
d
es
an
d
p
r
esen
ted
a
s
ec
u
r
e
lo
ca
lizatio
n
alg
o
r
it
h
m
to
p
r
o
tect
th
e
s
en
s
o
r
n
o
d
es
f
r
o
m
t
h
e
o
u
t
s
id
e
r
attac
k
an
d
as
w
el
l
as it
also
m
o
n
ito
r
s
t
h
e
in
s
id
er
n
o
d
e
to
d
etec
t c
o
m
p
r
o
m
is
ed
n
o
d
e
in
t
h
e
n
et
w
o
r
k
.
Fai
s
al
e
t a
l.
[
2
6
]
h
av
e
cr
ea
ted
a
n
o
v
el
s
ch
e
m
e
b
ased
o
n
r
ec
eiv
e
s
ig
n
al
s
tr
en
g
t
h
m
ec
h
a
n
is
m
to
co
u
n
ter
t
h
e
id
en
t
it
y
r
ep
li
ca
tio
n
attac
k
o
n
t
h
e
I
E
E
E
8
0
2
.
1
1
b
a
s
ed
w
ir
ele
s
s
ad
-
h
o
c
n
et
w
o
r
k
.
T
h
e
w
o
r
k
ca
r
r
ied
o
u
t
b
y
t
h
e
L
iu
et
al.
[
2
7
]
h
av
e
p
r
esen
ted
an
i
m
p
r
o
v
ed
d
is
tr
ib
u
ted
esti
m
atio
n
tech
n
iq
u
e
b
ased
o
n
least
m
ea
n
s
q
u
ar
e
alg
o
r
it
h
m
to
tack
le
th
e
p
r
o
b
lem
o
f
s
ec
u
r
e
esti
m
ati
o
n
o
v
er
W
SN
u
n
d
er
th
e
p
r
ese
n
ce
o
f
attac
k
s
.
N
u
r
ell
ar
i
et
al.
[
2
8
]
p
r
esen
t
s
,
a
r
eliab
le
s
c
h
e
m
e
to
i
n
v
est
ig
ate
t
h
e
c
o
m
p
r
o
m
is
ed
n
o
d
es
an
d
to
co
n
tr
o
l
th
eir
b
eh
a
v
io
r
s
to
w
ar
d
t
h
e
d
ata
f
u
s
io
n
p
r
o
ce
s
s
.
T
ay
eb
i
et
al.
[
2
9
]
h
av
e
g
iv
e
n
a
n
i
m
p
r
o
v
ed
ch
ao
tic
b
ased
d
ir
ec
t
s
eq
u
en
ce
s
p
r
ea
d
s
p
ec
tr
u
m
(
DSSS
)
tech
n
iq
u
e
i
n
o
r
d
er
to
en
h
an
ce
th
e
s
ec
u
r
it
y
o
f
ch
ao
tic
-
DSSS
d
ep
en
d
e
n
t
W
SN.
T
h
e
w
o
r
k
ca
r
r
ied
o
u
t
b
y
S
h
e
n
et
al.
[
3
0
]
u
s
es
I
d
-
b
ased
a
g
g
r
eg
atio
n
s
i
g
n
at
u
r
e
tech
n
iq
u
e
f
o
r
i
m
p
r
o
v
in
g
t
h
e
s
ec
u
r
it
y
le
v
el
o
f
d
ata
in
te
g
r
it
y
i
n
W
SN.
T
h
e
ex
p
er
i
m
e
n
tal
e
f
f
ec
ts
d
is
p
la
y
t
h
at
t
h
e
p
r
esen
te
d
m
eth
o
d
ac
h
ie
v
es
p
r
o
v
id
es
e
x
ce
lle
n
t
p
r
o
tectio
n
as
w
ell
a
s
i
t
m
i
n
i
m
izes
s
to
r
ag
e
co
s
t
a
n
d
r
ed
u
ce
s
b
an
d
w
id
t
h
.
Nai
k
an
d
Na
y
a
k
[
3
1
]
h
av
e
p
r
esen
ted
it
s
in
v
o
lv
e
m
e
n
t
b
y
d
e
m
o
n
s
tr
atin
g
class
i
f
icatio
n
s
o
f
p
r
ed
ictab
le
co
s
t
-
esti
m
atio
n
m
eth
o
d
s
an
d
a
f
ter
th
a
t
i
n
v
e
s
ti
g
at
es
th
e
in
v
es
tig
at
io
n
tr
e
n
d
s
t
o
w
ar
d
s
co
m
m
o
n
l
y
ad
d
r
ess
ed
is
s
u
e
s
i
n
it.
K
u
lk
ar
n
i
et
al.
[
3
2
]
h
av
e
ill
u
s
tr
ated
a
r
ea
l
-
ti
m
e
d
esi
g
n
o
f
e
f
f
ec
ti
v
e
ex
a
m
i
n
i
n
g
an
d
Evaluation Warning : The document was created with Spire.PDF for Python.
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d
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erg
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efficien
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co
mmu
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s
ystem…
(
Yo
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h
A
C
)
2697
co
n
tr
o
l
o
f
g
r
id
p
o
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tech
n
iq
u
e
b
y
u
s
i
n
g
t
h
e
r
e
m
o
te
clo
u
d
s
er
v
er
.
T
h
is
s
t
u
d
y
also
f
o
cu
s
e
d
to
u
s
e
t
h
e
r
e
m
o
te
clo
u
d
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er
v
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to
f
etc
h
,
ex
a
m
i
n
e
as
w
e
ll
as
co
n
tr
o
l
t
h
e
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y
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et
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ep
ly
ti
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e.
B
en
s
li
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d
B
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Ah
m
ed
[
3
3
]
h
av
e
in
tr
o
d
u
ce
d
a
n
o
v
el
lig
h
t
w
ei
g
h
t
k
e
y
m
an
a
g
e
m
e
n
t
p
r
o
ce
d
u
r
e
w
h
ic
h
p
er
m
i
ts
th
e
in
h
ib
ited
n
o
d
e
in
to
t
h
e
6
lo
W
P
A
N
n
et
w
o
r
k
t
o
tr
an
s
m
it
ca
p
tu
r
ed
d
ata
to
in
ter
n
et
h
o
s
t
in
th
e
s
ec
u
r
e
ch
a
n
n
el.
T
h
e
n
ex
t
s
ec
tio
n
d
is
cu
s
s
es
ab
o
u
t
t
h
e
p
r
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b
le
m
s
ass
o
ciate
d
w
it
h
t
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ateg
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s
in
tr
o
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in
th
e
e
x
i
s
tin
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s
y
s
te
m
.
T
h
e
s
ig
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f
ica
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t r
esear
c
h
p
r
o
b
l
e
m
s
ar
e
as
f
o
llo
w
s
:
1.
E
x
is
ti
n
g
s
t
u
d
ies co
n
s
id
er
s
s
ec
u
r
it
y
i
m
p
le
m
e
n
tatio
n
w
it
h
o
u
t
co
n
s
id
er
in
g
v
ar
io
u
s
e
n
er
g
y
-
r
el
ated
f
ac
to
r
s
t
h
at
d
o
esn
’
t o
f
f
er
e
n
er
g
y
ef
f
icie
n
c
y
.
2.
E
x
is
ti
n
g
s
o
lu
tio
n
s
f
o
r
s
ec
u
r
it
y
ar
e
m
o
r
e
in
cli
n
ed
to
w
ar
d
s
s
p
ec
if
ic
f
o
r
m
s
o
f
attac
k
in
W
S
N
an
d
h
en
ce
t
h
e
s
o
lu
tio
n
h
a
s
v
er
y
le
s
s
s
co
p
e
o
f
i
m
p
le
m
e
n
tat
io
n
to
w
ar
d
s
o
th
er
attac
k
s
.
3.
E
x
is
ti
n
g
s
o
lu
tio
n
s
ar
e
in
ca
p
ab
le
o
f
id
en
tify
i
n
g
th
e
f
o
r
m
o
f
t
h
e
m
alic
io
u
s
i
n
te
n
tio
n
i
n
co
r
p
o
r
ated
w
ith
in
t
h
e
r
o
u
tin
g
r
eq
u
est t
h
at
f
ails
to
id
e
n
ti
f
y
t
h
e
d
eg
r
ee
o
f
v
u
ln
er
ab
ilit
y
.
4.
T
h
er
e
is
n
o
m
u
c
h
d
i
s
c
u
s
s
io
n
o
f
th
e
o
p
ti
m
izat
io
n
tec
h
n
iq
u
e
w
ith
in
th
e
s
e
n
s
o
r
n
et
w
o
r
k
t
h
at
co
u
ld
o
f
f
er
a
g
o
o
d
r
eten
tio
n
o
f
en
er
g
y
a
n
d
m
o
r
e
r
esi
s
ti
v
it
y
ag
ai
n
s
t th
e
r
o
u
ti
n
g
p
r
in
c
ip
le.
T
h
er
ef
o
r
e,
th
e
p
r
o
b
lem
s
tat
e
m
en
t
o
f
t
h
e
p
r
o
p
o
s
ed
s
tu
d
y
ca
n
b
e
s
tated
as
“
De
v
elo
p
in
g
a
s
ec
u
r
e,
in
t
ellec
t
u
al,
an
d
o
p
ti
m
iza
ted
r
o
u
tin
g
p
r
in
cip
le
in
W
SN
is
o
n
e
o
f
th
e
m
o
s
t
co
m
p
u
ta
tio
n
all
y
ch
al
len
g
i
n
g
task
”.
T
h
e
n
e
x
t sectio
n
b
r
ief
s
o
f
th
e
s
o
l
u
tio
n
a
g
ai
n
s
t
s
u
c
h
p
r
o
b
lem
s
T
h
is
p
ar
t
o
f
th
e
p
r
o
p
o
s
ed
s
tu
d
y
is
a
co
n
t
in
u
atio
n
o
f
p
r
io
r
w
o
r
k
[
3
4
]
.
T
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
tar
g
et
s
to
o
f
f
er
h
ig
h
er
d
eg
r
ee
o
f
s
ec
u
r
e
c
o
m
m
u
n
icatio
n
s
y
s
te
m
w
i
th
eq
u
al
e
m
p
h
as
is
o
n
en
er
g
y
e
f
f
icie
n
c
y
.
T
h
e
co
m
p
lete
p
r
o
p
o
s
ed
s
y
s
te
m
i
s
class
if
ied
in
to
th
r
ee
p
r
o
ce
s
s
es
t
h
at
e
m
p
h
asize
o
n
i
n
co
r
p
o
r
atin
g
s
ec
u
r
e
r
o
u
tin
g
,
in
tellect
u
al
r
o
u
tin
g
,
an
d
o
p
ti
m
iz
atio
n
p
r
o
ce
s
s
.
Fi
g
u
r
e
1
h
i
g
h
li
g
h
t
s
t
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p
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p
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im
p
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P
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M
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Fig
u
r
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1
.
E
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R
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Fi
g
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r
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,
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w
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m
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m
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cte
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cc
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g
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h
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s
m
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a
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ciate
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(
i.e
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clu
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ter
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is
f
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last
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et
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ated
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m
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n
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e.
T
h
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au
th
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ticatio
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ca
r
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b
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ch
e
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m
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)
k
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k
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y
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d
is
ca
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s
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.
A
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ter
esti
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f
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at
p
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t
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ap
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is
m
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h
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g
an
d
p
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eu
d
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d
o
m
o
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,
w
h
ic
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s
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er
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m
u
ch
lig
h
t
w
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g
h
t
a
n
d
d
o
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’
t
i
n
cl
u
d
e
m
o
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m
e
m
o
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y
o
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p
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o
ce
s
s
in
g
ca
p
ab
ilit
y
w
it
h
i
n
t
h
e
s
e
n
s
o
r
to
ex
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te
t
h
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m
f
o
r
in
v
o
k
i
n
g
th
e
s
ec
u
r
it
y
f
ea
tu
r
e
s
.
Sh
o
w
s
i
n
F
ig
u
r
e
2
d
esig
n
p
r
in
cip
le
o
f
s
ec
u
r
e
r
o
u
t
in
g
p
r
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ce
s
s
.
2
.
2
.
I
nte
llig
ent
ro
uting
pro
c
ess
T
h
e
f
ir
s
t
p
r
o
ce
s
s
is
r
esp
o
n
s
i
b
le
f
o
r
ca
r
r
y
in
g
o
u
t
i
n
itial
o
p
er
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n
o
f
a
u
th
e
n
ticat
io
n
f
o
r
en
s
u
r
in
g
s
ec
u
r
e
r
o
u
tes
;
h
o
w
e
v
er
;
it
n
ee
d
s
m
o
r
e
b
eh
a
v
io
u
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al
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n
f
o
r
m
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b
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tin
g
u
p
it
s
s
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r
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t
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f
ea
t
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r
es.
Hen
ce
,
th
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s
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o
n
d
p
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s
s
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m
p
le
m
e
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t
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n
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m
o
f
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ter
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ar
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m
p
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v
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u
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it
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f
ea
t
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r
e.
T
h
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b
ac
k
b
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o
f
th
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p
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p
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t
h
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m
s
o
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m
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s
ag
e
i.e
.
i)
f
ir
s
t
m
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s
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co
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ii)
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m
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s
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n
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o
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h
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n
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m
d
icu
s
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ed
in
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h
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ir
s
t
p
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ce
s
s
.
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h
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r
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ce
s
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al
s
o
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tr
o
d
u
ce
s
a
n
o
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el
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n
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o
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r
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o
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izi
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g
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e
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er
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n
s
u
m
p
tio
n
,
w
h
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h
w
ill
m
ea
n
th
at
a
m
o
u
n
t
o
f
e
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er
g
y
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ted
w
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l
b
e
ch
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k
ed
f
o
r
s
in
g
le
a
n
d
d
o
u
b
le
h
o
p
s
as
w
ell
as s
ize
o
f
p
ac
k
et
s
.
I
f
an
a
llo
ca
ted
en
er
g
y
i
s
f
o
u
n
d
to
b
e
s
u
r
p
l
u
s
a
s
co
m
p
ar
ed
to
th
e
g
e
n
u
i
n
e
en
er
g
y
r
eq
u
ir
ed
th
an
s
u
r
p
lu
s
e
n
er
g
y
w
ill
b
e
m
i
n
i
m
ized
.
Ho
w
ev
er
,
th
i
s
p
r
o
ce
s
s
d
o
esn
’
t
o
cc
u
r
f
r
eq
u
en
tl
y
.
He
n
ce
,
i
f
t
h
e
e
n
er
g
y
is
f
o
u
n
d
d
e
v
o
id
o
f
h
a
v
i
n
g
s
u
r
p
lu
s
a
m
o
u
n
t
t
h
at
th
e
p
r
o
p
o
s
ed
s
y
s
te
m
lo
o
k
s
f
o
r
an
alter
n
at
iv
e
s
ec
u
r
ed
lin
k
w
i
t
h
les
s
er
in
ter
-
ar
r
iv
al
ti
m
e.
T
h
i
s
o
p
er
atio
n
n
o
t
o
n
l
y
a
s
s
i
s
ts
i
n
p
o
s
itiv
el
y
lead
in
g
all
t
h
e
p
ac
k
et
s
in
s
a
f
er
r
o
u
te
s
b
u
t
also
m
i
n
i
m
ize
s
a
n
y
f
o
r
m
o
f
p
o
s
s
ib
le
d
ela
y
s
.
He
n
ce
,
th
e
d
ela
y
f
ac
to
r
is
co
m
p
e
n
s
ated
at
th
e
en
d
at
an
y
co
s
t
i
n
th
i
s
m
o
d
el.
T
h
er
ef
o
r
e,
th
is
p
r
o
ce
s
s
ac
ts
as
co
m
p
le
m
en
tar
y
to
th
e
f
ir
s
t
p
r
o
ce
s
s
o
f
s
ec
u
r
e
r
o
u
ti
n
g
s
ch
e
m
e.
S
h
o
w
s
in
Fig
u
r
e
3
d
esig
n
p
r
in
cip
le
o
f
in
tel
lig
e
n
t r
o
u
ti
n
g
p
r
o
ce
s
s
.
2
.
3
.
O
ptim
iza
t
io
n pro
ce
s
s
T
h
e
p
r
im
e
p
r
o
b
lem
to
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e
a
d
d
r
ess
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in
th
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s
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h
ase
o
f
th
e
wo
r
k
is
to
id
en
tify
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d
r
esis
t
th
e
t
y
p
e
o
f
attac
k
t
h
at
ta
m
p
er
s
t
h
e
p
r
o
g
r
a
m
m
es
e
m
b
ed
d
ed
in
t
h
e
co
m
m
er
cial
s
en
s
o
r
ap
p
licatio
n
.
U
s
u
all
y
,
co
m
m
er
cial
s
en
s
o
r
ap
p
licatio
n
s
ar
e
h
ig
h
l
y
p
r
o
n
e
to
v
ar
io
u
s
f
o
r
m
s
o
f
u
n
k
n
o
w
n
a
n
d
an
o
n
y
m
o
u
s
s
er
v
ic
e
r
eq
u
est
f
r
o
m
th
e
ad
v
er
s
ar
ial
n
o
d
e.
Su
ch
ad
v
er
s
ar
ial
n
o
d
es
ar
e
q
u
ite
h
ar
d
to
b
e
id
en
tif
ied
an
d
th
e
r
eb
y
it
is
d
if
f
icu
lt
to
ca
p
tu
r
e
/
en
ca
p
s
u
late
th
e
ad
v
er
s
ar
y
.
T
h
e
co
m
p
lete
b
asi
s
o
f
th
is
p
ar
t
o
f
th
e
s
tu
d
y
is
a
n
e
w
ad
v
er
s
ar
ia
l
m
o
d
u
le
w
h
ich
h
as
th
e
p
o
ten
tial
to
ac
ce
s
s
an
d
co
n
tr
o
l
th
e
p
r
o
g
r
a
m
m
i
n
g
o
b
j
ec
t
o
f
th
e
s
e
n
s
o
r
n
o
d
e
th
at
f
i
n
all
y
lead
s
to
p
h
y
s
ical
n
o
d
e
ca
p
tu
r
e.
Ho
w
e
v
er
,
th
e
s
co
p
e
w
ill
b
e
o
n
l
y
li
m
ited
to
w
ar
d
s
ca
p
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i
n
g
p
r
o
g
r
a
m
m
i
n
g
o
b
j
ec
t
b
y
th
e
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
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teg
r
a
ted
f
r
a
mewo
r
k
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mmu
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ystem…
(
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h
A
C
)
2699
m
alicio
u
s
n
o
d
e
an
d
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p
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ated
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f
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ata
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en
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d
e.
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h
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p
h
en
o
m
e
n
o
n
i
s
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ty
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o
f
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l
s
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d
b
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x
i
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m
ec
h
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i
s
m
t
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y
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en
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o
r
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e
w
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u
s
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g
i
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ch
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o
f
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h
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i
n
co
m
i
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g
r
o
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te
r
eq
u
est.
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n
ca
s
e
o
f
leg
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ate
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eq
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est,
a
s
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r
e
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te
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o
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er
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in
ca
s
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ille
g
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ate
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eq
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est,
t
h
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e
n
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o
d
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till
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f
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d
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ata
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b
ab
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ata
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ctu
r
e
is
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elo
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o
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e,
f
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n
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m
.
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w
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alicio
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g
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Fig
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2
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Desig
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Fig
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3
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Desig
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3.
RE
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
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I
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4
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,
p
p
.
1
9
1
0
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9
2
3
,
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e
c
2
0
1
7
.
[7
]
J.
X
u
,
G
.
Ya
n
g
,
Z.
Ch
e
n
a
n
d
Q.
W
a
n
g
,
“
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su
rv
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o
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th
e
p
riv
a
c
y
-
p
re
s
e
rv
in
g
d
a
ta
a
g
g
re
g
a
ti
o
n
in
w
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ss
s
e
n
so
r
n
e
tw
o
rk
s,”
in
Ch
in
a
Co
mm
u
n
ic
a
t
io
n
s
,
v
o
l.
1
2
,
n
o
.
5
,
p
p
.
1
6
2
-
1
8
0
,
M
a
y
2
0
1
5
.
[8
]
Yu
,
F
.
,
Ch
a
n
g
,
C.
C.
,
S
h
u
,
J.,
A
h
m
a
d
,
I.
,
Zh
a
n
g
,
J.,
&
De
F
u
e
n
tes
,
J.
M
.
“
Re
c
e
n
t
A
d
v
a
n
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e
s
in
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e
c
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rit
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d
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c
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fo
r
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s S
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n
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Ne
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o
rk
s 2
0
1
6
,
”
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o
u
rn
a
l
o
f
S
e
n
so
rs
,
2
0
1
7
.
[9
]
A
.
Ka
r
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k
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n
d
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.
A
k
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k
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su
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rit
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ts
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n
d
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th
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ti
c
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ti
o
n
a
p
p
r
o
a
c
h
e
s
in
w
irele
ss
se
n
so
r
n
e
tw
o
rk
s,”
2
0
1
8
6
t
h
In
ter
n
a
ti
o
n
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l
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y
mp
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Di
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re
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rity (
IS
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taly
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,
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-
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0
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.
[1
0
]
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S
h
im
,
“
A
S
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y
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y
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ra
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P
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im
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s
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ss
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e
n
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r
Ne
tw
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rk
s,”
in
IEE
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Co
mm
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n
ica
ti
o
n
s S
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s
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to
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.
1
8
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n
o
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1
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p
p
.
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1
,
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rter
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6
.
[1
1
]
Ill
ian
o
,
V
it
t
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P
.
,
e
t
a
l.
“
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ter
m
in
in
g
Re
sili
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n
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e
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a
in
s
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ro
m
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o
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a
l
y
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tec
ti
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o
r
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v
e
n
t
In
teg
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in
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s
Se
n
so
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Ne
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rk
s,
”
ACM
T
ra
n
sa
c
ti
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n
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r Ne
two
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OS
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1
4
.
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:
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2
0
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8
.
[1
2
]
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,
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,
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n
d
Ya
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w
a
n
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in
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h
.
“
No
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e
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th
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n
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ti
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lg
o
rit
h
m
f
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r
se
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rin
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sta
ti
c
w
irele
s
s
se
n
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r
ne
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o
rk
s
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ro
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n
o
d
e
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lo
n
e
a
tt
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c
k
,
”
In
ter
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l
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rn
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n
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8
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[1
3
]
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,
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o
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ik
a
,
a
n
d
S
h
u
c
h
it
a
Up
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d
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y
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.
“
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se
d
Cr
y
p
to
g
ra
p
h
y
f
o
r
S
e
c
u
rit
y
in
W
irele
ss
S
e
n
s
o
r
Ne
tw
o
rk
s."
Cy
b
e
r S
e
c
u
rity: P
ro
c
e
e
d
in
g
s o
f
C
S
I
2
0
1
5
,
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ri
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g
e
r
S
in
g
a
p
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re
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2
0
1
8
.
[1
4
]
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e
n
k
a
tram
a
n
,
S
.
,
a
n
d
P
.
A
ru
n
R
a
j
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m
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r,
“
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m
p
ro
v
in
g
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d
h
o
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w
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re
les
s
se
n
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r
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se
c
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rit
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sin
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istri
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te
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au
to
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to
n
,
”
Clu
ste
r
C
o
m
p
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ti
n
g
:
1
-
7.
[1
5
]
M
o
v
a
ss
a
g
h
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S
,
S
m
it
h
DB,
A
b
o
lh
a
sa
n
M
,
Ja
m
a
li
p
o
u
r
A
.
“
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p
o
rtu
n
isti
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S
p
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tru
m
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ll
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ti
o
n
f
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r
In
terfe
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c
e
M
it
ig
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ti
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n
A
m
o
n
g
st
Co
e
x
isti
n
g
W
irele
ss
Bo
d
y
A
re
a
Ne
t
w
o
rk
s,
”
ACM
T
ra
n
sa
c
ti
o
n
s
o
n
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r
Ne
two
rk
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(
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l
2
1
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4
(2
)
:7
2
0
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8
.
[1
6
]
L
i
W
,
L
i
B,
Zh
a
o
Y,
W
a
n
g
P
,
W
e
i
F
.
“
Cr
y
p
tan
a
l
y
sis
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n
d
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c
u
rit
y
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h
a
n
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e
m
e
n
t
o
f
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h
re
e
A
u
th
e
n
ti
c
a
ti
o
n
S
c
h
e
m
e
s
in
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
s,
”
W
ire
les
s Co
mm
u
n
ica
ti
o
n
s
a
n
d
M
o
b
il
e
Co
mp
u
ti
n
g
.
2
0
1
8
;
2
0
1
8
.
[1
7
]
Ch
e
n
,
A
ig
u
o
,
e
t
a
l.
“
RTG
OR:
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li
a
b
il
it
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n
d
T
i
m
e
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n
e
ss
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u
a
r
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n
tee
d
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p
o
rtu
n
isti
c
Ro
u
ti
n
g
in
w
irele
ss
se
n
so
r
n
e
tw
o
rk
s,
”
EURA
S
IP
J
o
u
r
n
a
l
o
n
W
ire
les
s Co
mm
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n
ica
ti
o
n
s a
n
d
Ne
two
rk
in
g
2
0
1
8
:
1
-
8
2
0
1
8
.
[1
8
]
S
in
g
h
,
R
u
p
i
n
d
e
r,
Ja
ti
n
d
e
r
S
in
g
h
,
a
n
d
Ra
v
in
d
e
r
S
i
n
g
h
.
“
F
u
z
z
y
B
a
s
e
d
A
d
v
a
n
c
e
d
H
y
b
rid
In
tru
si
o
n
D
e
tec
ti
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n
S
y
ste
m
to
De
tec
t
M
a
li
c
io
u
s
No
d
e
s
in
W
irele
ss
S
e
n
so
r
Ne
t
w
o
rk
s,
”
W
ire
le
s
s
Co
mm
u
n
ica
ti
o
n
s
a
n
d
M
o
b
il
e
Co
mp
u
t
in
g
2
0
1
7
.
2
0
1
7
.
[1
9
]
Zh
a
n
g
K,
X
u
K,
W
e
i
F
.
“
A
P
ro
v
a
b
ly
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e
c
u
re
A
n
o
n
y
m
o
u
s
A
u
th
e
n
ti
c
a
ted
Ke
y
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c
h
a
n
g
e
P
ro
to
c
o
l
Ba
se
d
o
n
EC
C
f
o
r
W
irele
ss
S
e
n
so
r
Ne
t
w
o
rk
s,
”
W
ire
les
s Co
mm
u
n
ica
t
io
n
s a
n
d
M
o
b
il
e
Co
mp
u
t
in
g
.
2
0
1
8
;
2
0
1
8
.
[2
0
]
T
ian
F
,
Ch
e
n
X
,
L
iu
S
,
Yu
a
n
X,
L
i
D,
Zh
a
n
g
X
,
Ya
n
g
Z.
“
S
e
c
re
c
y
R
a
te
Op
ti
m
i
z
a
ti
o
n
in
W
irele
ss
M
u
lt
i
-
H
o
p
F
u
l
l
Du
p
lex
Ne
tw
o
rk
s,”
IEE
E
Acc
e
ss
,
6
:5
6
9
5
-
7
0
4
2
0
1
8
.
[2
1
]
A
l
v
e
s,
R.
C.
,
Oliv
e
ira,
D.
A
.
,
P
e
re
ira,
G
.
C.
,
A
lb
e
rti
n
i,
B.
C.
,
&
M
a
rg
i,
C.
B
.
“
W
S
3
N:
W
ir
e
les
s
S
e
c
u
re
S
DN
-
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se
d
Co
m
m
u
n
ica
ti
o
n
f
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r
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s
o
r
Ne
two
rk
s,
”
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e
c
u
rit
y
a
n
d
Co
m
m
u
n
ica
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o
n
Ne
tw
o
rk
s,
2
0
1
8
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2
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1
8
.
[2
2
]
Z.
Z
h
a
n
g
,
H.
Zh
u
,
S
.
L
u
o
,
Y.
Xi
n
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n
d
X
.
L
i
u
,
“
In
tru
sio
n
De
tec
ti
o
n
Ba
se
d
o
n
S
tate
Co
n
tex
t
a
n
d
Hi
e
ra
rc
h
ica
l
T
ru
st
in
W
ire
les
s S
e
n
so
r
Ne
tw
o
rk
s,”
in
IEE
E
Acc
e
ss
,
v
o
l.
5
,
p
p
.
1
2
0
8
8
-
1
2
1
0
2
,
2
0
1
7
.
[2
3
]
J.
Zh
u
,
Y.
Zo
u
a
n
d
B.
Z
h
e
n
g
,
“
P
h
y
sic
a
l
-
La
y
e
r
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e
c
u
rit
y
a
n
d
Re
li
a
b
il
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y
Ch
a
ll
e
n
g
e
s
f
o
r
In
d
u
strial
W
irele
ss
S
e
n
s
o
r
Ne
tw
o
rk
s,”
in
IEE
E
Acc
e
ss
,
v
o
l.
5
,
p
p
.
5
3
1
3
-
5
3
2
0
,
2
0
1
7
.
[2
4
]
M
.
M
.
Ra
n
a
,
“
A
tt
a
c
k
R
e
sili
e
n
t
W
irele
ss
S
e
n
so
r
Ne
t
w
o
r
k
s
f
o
r
S
m
a
rt
El
e
c
tri
c
V
e
h
icle
s,”
in
I
EE
E
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e
n
so
rs
L
e
tt
e
rs
,
vo
l.
1
,
n
o
.
2
,
p
p
.
1
-
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,
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p
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,
A
rt
n
o
.
5
5
0
0
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0
4
.
2
0
1
7
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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Ku
m
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r,
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u
lsh
a
n
,
e
t
a
l.
“
A
S
e
c
u
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s 2
0
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7
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.
[2
6
]
F
a
isa
l,
M
o
h
a
m
m
a
d
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o
h
a
i
l
A
b
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n
d
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n
.
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se
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a
d
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rk
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”
EURA
S
IP
J
o
u
r
n
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l
o
n
W
ire
les
s Co
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n
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n
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rk
in
g
2
0
1
8
.
1
:
1
2
8
2
0
1
8
.
[2
7
]
Y.
L
iu
a
n
d
C.
L
i,
“
S
e
c
u
re
Dist
rib
u
te
d
Esti
m
a
ti
o
n
Ov
e
r
W
irele
ss
S
e
n
so
r
Ne
t
w
o
rk
s
Un
d
e
r
A
tt
a
c
k
s,”
in
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Aer
o
sp
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e
a
n
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1
5
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8
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,
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g
.
2
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8
.
[2
8
]
Nu
re
ll
a
ri,
Ed
m
o
n
d
,
De
s
M
c
L
e
r
n
o
n
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d
M
o
u
n
ir
G
h
o
g
h
o
.
“
A
s
e
c
u
re
o
p
ti
m
u
m
d
istri
b
u
ted
d
e
tec
ti
o
n
sc
h
e
m
e
in
u
n
d
e
r
-
a
tt
a
c
k
w
irel
e
ss
s
e
n
so
r
n
e
tw
o
rk
s,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
S
ig
n
a
l
a
n
d
In
f
o
rm
a
ti
o
n
Pr
o
c
e
ss
in
g
o
v
e
r
Ne
two
rk
s
4
.
2
(2
0
1
8
):
3
2
5
-
3
3
7
.
2
0
1
8
.
[2
9
]
T
a
y
e
b
i,
A
ra
sh
,
S
t
e
v
a
n
B
e
rb
e
r,
a
n
d
Ak
sh
y
a
S
wa
in
.
“
S
e
c
u
rit
y
En
h
a
n
c
e
m
e
n
t
o
f
F
i
x
Ch
a
o
ti
c
-
DSS
S
in
W
S
Ns
,
”
IEE
E
Co
mm
u
n
ica
ti
o
n
s L
e
tt
e
rs
2
2
.
4
:
8
1
6
-
8
1
9
.
2
0
1
8
.
[3
0
]
S
h
e
n
,
L
.
,
M
a
,
J.
,
L
iu
,
X
.
,
W
e
i,
F
.
,
&
M
iao
,
M
.
“
A
se
c
u
re
a
n
d
e
ff
icie
n
t
id
-
b
a
se
d
a
g
g
re
g
a
te
sig
n
a
t
u
re
sc
h
e
m
e
f
o
r
w
irele
ss
se
n
so
r
n
e
tw
o
rk
s,
”
IEE
E
In
ter
n
e
t
o
f
T
h
in
g
s
J
o
u
r
n
a
l
,
4
(
2
),
5
4
6
-
5
5
4
.
2
0
1
7
.
[3
1
]
Na
ik
,
P
ra
v
e
e
n
,
a
n
d
S
h
a
n
tara
m
Na
y
a
k
.
“
In
sig
h
ts
o
n
Re
se
a
r
c
h
Tec
h
n
iq
u
e
s
to
w
a
rd
s
Co
st
Esti
m
a
ti
o
n
in
S
o
f
twa
re
De
sig
n
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
.
7
,
No
.
5
,
p
p
.
2
8
8
3
-
2
8
9
4
,
2
0
1
7
.
[3
2
]
Na
c
h
ik
e
t
Ku
lk
a
rn
i,
S
.
V
.
N.L
L
a
li
th
a
,
S
a
n
jay
A
.
De
o
k
a
r,
“
Re
a
l
ti
m
e
c
o
n
tro
l
a
n
d
m
o
n
it
o
ri
n
g
o
f
g
rid
p
o
w
e
r
s
y
st
e
m
s
u
sin
g
c
lo
u
d
c
o
m
p
u
ti
n
g
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
lec
trica
l
a
n
d
Co
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
.
9
,
No
.
2
,
2
0
1
7
.
[3
3
]
Be
n
slim
a
n
e
,
Y
a
m
in
a
,
a
n
d
Kh
e
li
f
a
B
e
n
A
h
m
e
d
.
“
Eff
icie
n
t
En
d
-
to
-
En
d
S
e
c
u
re
Ke
y
M
a
n
a
g
e
m
e
n
t
P
r
o
t
o
c
o
l
f
o
r
In
tern
e
t
o
f
T
h
in
g
s,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
Co
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
.
7
,
No
.
6
,
p
p
.
3
6
2
2
-
3
6
3
1
,
2
0
1
7
.
[3
4
]
A
.
C.
Yo
g
e
e
sh
,
S
.
B.
P
a
ti
l
a
n
d
P
.
P
a
ti
l,
“
A
S
u
rv
e
y
o
n
En
e
rg
y
Eff
icie
n
t,
S
e
c
u
re
Ro
u
t
in
g
P
r
o
to
c
o
ls
f
o
r
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
s
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
n
g
i
n
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ien
c
e
,
Vo
l.
5
,
No
.
8
,
2
0
1
6
.
[3
5
]
L
.
B.
Oliv
e
ira,
H.
C.
W
o
n
g
,
M
.
Be
rn
,
R.
Da
h
a
b
a
n
d
A
.
A
.
F
.
L
o
u
re
iro
,
“
S
e
c
L
E
A
CH
-
A
Ra
n
d
o
m
Ke
y
Distrib
u
ti
o
n
S
o
lu
ti
o
n
f
o
r
S
e
c
u
ri
n
g
Clu
ste
re
d
S
e
n
so
r
Ne
tw
o
rk
s,”
Fi
ft
h
IE
EE
I
n
ter
n
a
ti
o
n
a
l
S
y
mp
o
si
u
m
o
n
Ne
t
wo
rk
Co
mp
u
ti
n
g
a
n
d
Ap
p
li
c
a
ti
o
n
s (
NCA'
0
6
)
,
Ca
m
b
rid
g
e
,
M
A
,
p
p
.
1
4
5
-
1
5
4
.
2
0
0
6
.
B
I
O
G
RAP
H
I
E
S
O
F
AUTH
O
RS
Yo
g
e
s
sh
A.C
.
h
a
s
c
o
m
p
let
e
d
B
.
E
(C
S
&
E
)
i
n
2
0
0
6
f
ro
m
V
T
U
,
Be
lag
a
v
i,
Ka
r
n
a
t
a
k
a
,
I
n
d
ia.
I
h
a
v
e
d
o
n
e
M
.
T
e
c
h
(C
S
&
E)
i
n
2
0
0
8
f
ro
m
V
T
U,
Be
lag
a
v
i
,
Ka
r
n
a
tak
a
,
I
n
d
i
a
.
P
re
s
e
n
t
ly
He
is
p
u
rs
u
i
n
g
h
i
s
P
h
D
f
r
o
m
Na
g
a
r
j
u
n
a
C
o
ll
e
g
e
o
f
E
n
g
i
n
e
e
ri
n
g
&
T
e
c
h
n
o
l
o
g
y
,
Ka
ra
n
a
tak
a
,
I
n
d
ia
,
V
T
U
,
Be
l
a
g
a
v
i
,
Ka
r
n
a
t
a
k
a
,
I
n
d
ia
.
H
e
h
a
s
a
r
o
u
n
d
7
y
e
a
rs
o
f
tea
c
h
i
n
g
a
n
d
4
y
e
a
rs
o
f
i
n
d
u
st
ria
l
e
x
p
e
rie
n
c
e
.
His
a
re
a
s
o
f
in
te
re
s
t
a
re
W
ire
les
s
S
e
n
s
o
r
N
e
tw
o
rk
,
A
d
h
o
c
Ne
tw
o
rk
.
S
h
a
n
ta
k
u
m
a
r
B
.
Pa
ti
l
h
a
s
c
o
m
p
l
e
te
d
B.
E
i
n
1
9
9
3
f
ro
m
k
a
ra
n
a
tak
a
U
n
iv
e
rs
it
y
,
D
h
a
rw
a
d
a
n
d
M
.
T
e
c
h
f
ro
m
V
T
U
,
Be
lag
a
v
i,
Ka
r
n
a
tak
a
,
In
d
ia
.
He
h
a
s
c
o
m
p
l
e
te
d
h
is
P
h
D
f
r
o
m
Dr
.
M
JR
E
d
u
c
t
i
o
a
n
l
&
Re
se
a
r
c
h
In
st
it
u
te
U
n
iv
e
rs
it
y
,
C
h
e
n
n
a
i,
I
n
d
ia
i
n
2
0
1
1
.
P
re
se
n
t
ly
He
is
w
o
rk
i
n
g
a
s
a
s
a
p
r
o
f
e
ss
o
r
i
n
De
p
a
rtm
e
n
t
o
f
C
S
E
a
t
N
a
g
a
r
j
u
n
a
Co
ll
e
g
e
o
f
E
n
g
i
n
e
e
r
in
g
&
T
e
c
h
n
o
lo
g
y
,
Ka
r
a
n
a
tak
a
,
I
n
d
ia.
Pre
m
jy
o
ti
Pa
t
il
h
a
s
c
o
m
p
le
te
d
B.
E
i
n
1
9
9
4
f
r
o
m
G
u
lb
a
rg
a
U
n
i
v
e
rsi
ty
,
G
u
l
b
a
rg
a
a
n
d
M
.
E
f
r
o
m
G
u
l
b
a
rg
a
U
n
iv
e
r
si
ty
,
G
u
l
b
a
rg
a
,
In
d
ia
.
S
h
e
h
a
s
c
o
m
p
le
te
d
h
i
s
P
h
D
f
r
o
m
Dr.
M
J
R
E
d
u
c
ti
o
a
n
l
&
Re
se
a
r
c
h
I
n
st
it
u
te
U
n
iv
e
rs
it
y
,
C
h
e
n
n
a
i,
I
n
d
ia
i
n
2
0
1
2
.
P
re
se
n
tl
y
S
h
e
is
w
o
rk
i
n
g
a
s
a
s
a
p
r
o
f
e
ss
o
r
i
n
De
p
a
rtm
e
n
t
o
f
E
lec
t
r
o
n
ic
s
&
C
o
m
m
u
n
ica
t
i
o
n
a
t
Na
g
a
r
j
u
n
a
Co
l
le
g
e
o
f
E
n
g
i
n
e
e
ri
n
g
&
T
e
c
h
n
o
l
o
g
y
,
Ka
ra
n
a
tak
a
,
I
n
d
ia
.
Ro
o
p
a
sh
r
e
e
H
.
R
.
h
a
s
c
o
m
p
let
e
d
B.
E
(
E&
C)
i
n
2
0
0
6
f
r
o
m
V
T
U,
B
e
lag
a
v
i
,
Ka
r
n
a
tak
a
,
I
n
d
ia
.
S
h
e
h
a
s
d
o
n
e
M
.
T
e
c
h
(C
S
&
E)
i
n
2
0
1
2
f
r
o
m
V
T
U,
Be
lag
a
v
i
,
Ka
r
n
a
tak
a
,
I
n
d
ia.
P
re
se
n
t
ly
S
h
e
h
a
s c
o
m
p
lt
e
d
h
e
r
P
h
D f
r
o
m
CHRI
S
T
(D
e
e
m
e
d
to
b
e
Un
iv
e
r
si
ty
)
Be
n
g
a
l
u
r
u
,
Ka
ra
n
a
ta
k
a
,
I
n
d
ia.
S
h
e
h
a
s a
r
o
u
n
d
1
2
y
e
a
r
s
o
f
i
n
d
u
st
ri
a
l
e
x
p
e
rie
n
c
e
.
P
re
se
n
tl
y
w
o
rk
i
n
g
a
s
a
S
e
n
i
o
r
A
ss
o
c
iate
T
R
M
a
t
P
u
b
li
c
is
.
S
a
p
i
e
n
t
a
t
Be
n
g
a
l
u
r
u
,
Ka
r
n
a
tak
a
,
I
n
d
i
a
.
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