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.
6
,
No
.
6
,
Dec
em
b
er
201
6
,
p
p
.
30
5
2
~
3
05
9
I
SS
N:
2088
-
8708
,
DOI
: 1
0
.
1
1
5
9
1
/
i
j
ec
e
.
v
6i
6
.
1
0
4
4
8
3052
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ia
e
s
jo
u
r
n
a
l.c
o
m/o
n
lin
e/in
d
ex
.
p
h
p
/I
JE
C
E
An Io
T Fra
m
ew
o
rk f
o
r
Address
ing
P
a
rents
Concern
s
a
bo
ut
Sa
fet
y
of S
cho
o
l G
o
ing
Childr
en
P
o
o
na
m
G
up
t
a
1
,
D
D
Sh
a
h
2
,
K
V
V
Sa
t
y
a
na
r
a
y
a
na
3
1
,3
De
p
t.
o
f
CS
E,
K L
Un
iv
e
rsity
,
Ko
n
e
ru
L
a
k
sa
m
iah
Ed
u
c
a
ti
o
n
F
o
u
n
d
a
t
io
n
,
V
ij
a
y
w
a
d
a
,
In
d
ia
2
G
.
H.
Ra
iso
n
i
Co
l
leg
e
o
f
En
g
in
e
e
rin
g
a
n
d
M
a
n
a
g
e
m
e
n
t,
P
u
n
e
,
In
d
ia
Art
icle
I
nfo
AB
ST
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Mar
10
,
2
0
1
6
R
ev
i
s
ed
Sep
7
,
2
0
1
6
A
cc
ep
ted
Sep
2
1
,
2
0
1
6
In
th
is
p
a
p
e
r,
w
e
h
a
v
e
p
ro
p
o
se
d
a
n
o
v
e
l
a
p
p
l
ica
ti
o
n
u
si
n
g
In
tern
e
t
o
f
th
i
n
g
s
(IOT
).
T
h
is
a
p
p
li
c
a
ti
o
n
is
f
o
c
u
se
d
to
a
d
d
re
ss
th
e
c
o
n
c
e
rn
s
o
f
th
e
p
a
re
n
ts
to
w
a
rd
s
th
e
ir
sc
h
o
o
l
g
o
in
g
k
id
s.
M
a
in
ly
th
e
c
o
n
c
e
rn
s
o
f
th
e
p
a
re
n
ts
a
re
to
e
n
su
re
th
e
sa
f
e
t
y
o
f
th
e
ir
k
id
s
in
sc
h
o
o
l
b
u
s
a
s
w
e
ll
a
s
a
t
s
c
h
o
o
l
p
r
e
m
ise
s.
In
th
is
p
a
p
e
r,
w
e
h
a
v
e
tri
e
d
to
p
ro
v
i
d
e
d
e
tailed
tec
h
n
ica
l
im
p
le
m
e
n
ta
ti
o
n
a
b
o
u
t
h
o
w
d
if
fe
re
n
t
se
n
sin
g
,
c
o
m
m
u
n
ica
ti
o
n
tec
h
n
o
l
o
g
ies
c
lu
b
b
in
g
to
g
e
th
e
r
p
ro
v
id
e
s
a
p
latf
o
r
m
in
ter
m
s
o
f
Io
T
,
w
h
e
re
p
ro
p
o
se
d
a
p
p
li
c
a
ti
o
n
c
a
n
b
e
im
p
le
m
e
n
ted
to
e
n
su
re
s
a
f
e
t
y
o
f
s
c
h
o
o
l
g
o
i
n
g
c
h
il
d
re
n
a
s it
is
th
e
p
rio
rit
y
a
n
d
c
o
n
c
e
rn
f
o
r
p
a
re
n
ts.
In
P
r
o
p
o
se
d
a
p
p
li
c
a
ti
o
n
,
p
a
re
n
ts
g
e
t
n
o
ti
f
ica
ti
o
n
w
h
e
n
h
is
c
h
il
d
b
o
a
rd
s th
e
b
u
s f
o
r
sc
h
o
o
l
a
n
d
g
e
ts
d
o
w
n
th
e
b
u
s at h
o
m
e
‟s
d
o
o
rste
p
.
P
a
re
n
ts
a
ls
o
g
e
t
n
o
ti
f
ica
ti
o
n
w
h
e
n
c
h
il
d
e
n
ters
h
is
Clas
s
Ro
o
m
f
ir
st
ti
m
e
in
a
d
a
y
.
P
a
re
n
ts
a
n
y
ti
m
e
c
a
n
a
c
c
e
ss
th
e
lo
c
a
ti
o
n
h
is
c
h
il
d
o
r
sc
h
o
o
l
b
u
s in
w
h
ich
h
is
c
h
il
d
is
trav
e
ll
in
g
.
In
c
a
s
e
o
f
e
m
e
rg
e
n
c
y
,
c
h
il
d
c
a
n
d
isse
m
in
a
te
th
e
sig
n
a
l
to
p
a
re
n
ts
/
S
i
n
g
le
p
o
in
t
o
f
c
o
n
t
a
c
t
(S
P
OC)
a
t
sc
h
o
o
l
t
o
m
a
k
e
th
e
m
a
wa
re
a
b
o
u
t
e
m
e
r
g
e
n
c
y
.
K
ey
w
o
r
d
:
I
n
ter
n
et
o
f
t
h
i
n
g
s
Saf
et
y
m
o
n
ito
r
in
g
So
f
t c
o
m
p
u
ti
n
g
Ub
iq
u
ito
u
s
co
m
p
u
ti
n
g
Co
p
y
rig
h
t
©
2
0
1
6
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
:
P
o
o
n
am
G
u
p
ta,
Dep
ar
te
m
en
t o
f
C
o
m
p
u
ter
E
n
g
in
ee
r
i
n
g
&
Scien
ce
,
K.
L.
Un
i
v
er
s
i
t
y
,
Vij
ay
w
ad
a
,
I
n
d
ia.
E
m
ail: p
o
o
n
a
m
7
7
g
u
p
ta
@
g
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
s
a
n
o
v
el
p
ar
ad
ig
m
w
h
er
e
th
e
o
b
j
ec
ts
,
an
i
m
als,
p
eo
p
le
etc.
ca
n
b
e
u
n
iq
u
el
y
id
en
ti
f
ied
an
d
ca
n
co
m
m
u
n
ica
te
w
ith
ea
c
h
o
t
h
er
o
v
er
th
e
I
n
ter
n
et
w
it
h
o
u
t
a
n
y
h
u
m
a
n
i
n
te
r
v
en
tio
n
o
r
h
u
m
a
n
to
h
u
m
a
n
o
r
h
u
m
an
to
co
m
p
u
ter
i
n
ter
ac
tio
n
.
T
h
e
“
I
n
ter
n
e
t
o
f
T
h
in
g
s
”
ter
m
w
as
f
ir
s
tl
y
co
in
ed
b
y
Ke
v
i
n
Ash
to
n
as
a
titl
e
o
f
h
is
p
r
ese
n
tatio
n
in
1
9
9
9
[
1
]
.
T
h
e
b
asic
co
n
ce
p
t
o
f
th
e
I
n
ter
n
et
o
f
T
h
in
g
s
p
ar
ad
ig
m
i
s
t
h
at
th
e
o
b
j
ec
ts
ca
n
b
e
s
en
s
o
r
s
,
a
ctu
ato
r
s
,
m
o
b
ile
p
h
o
n
e
s
o
r
R
ad
io
Fre
q
u
en
c
y
I
d
en
ti
f
icatio
n
(
R
FID
)
T
ag
s
etc.
w
h
ic
h
ca
n
b
e
u
n
iq
u
el
y
id
en
ti
f
i
ed
w
it
h
u
n
iq
u
e
ad
d
r
ess
i
n
g
s
c
h
e
m
es
a
n
d
ar
e
ab
le
to
in
ter
ac
t
w
it
h
ea
c
h
o
th
er
an
d
co
-
o
p
er
ate
w
it
h
t
h
eir
n
ei
g
h
b
o
u
r
s
to
r
ea
ch
co
m
m
o
n
g
o
al
s
[
2
]
.
T
h
er
e
ar
en
‟
t
an
y
s
tan
d
ar
d
d
ef
in
i
tio
n
s
f
o
r
th
e
I
n
ter
n
et
o
f
T
h
i
n
g
s
p
ar
ad
ig
m
,
as
it
is
a
v
er
y
n
o
v
el
co
n
ce
p
t.
T
h
e
f
o
llo
w
i
n
g
d
e
f
i
n
itio
n
s
ar
e
h
av
e
d
e
f
in
ed
b
y
d
if
f
er
e
n
t r
esear
ch
er
s
:
Def
i
n
itio
n
b
y
[
3
]
:
“
T
h
in
g
s
h
a
v
e
id
en
tit
ies
a
n
d
v
ir
t
u
al
p
er
s
o
n
alitie
s
o
p
er
atin
g
i
n
s
m
ar
t
s
p
ac
es
u
s
in
g
in
telli
g
e
n
t i
n
ter
f
ac
e
s
to
co
n
n
e
ct
an
d
co
m
m
u
n
icate
w
it
h
i
n
s
o
cial,
en
v
ir
o
n
m
e
n
t,
a
n
d
u
s
er
co
n
tex
ts
.
”
Def
i
n
itio
n
b
y
[
4
]
:
“
T
h
e
I
n
ter
n
et
o
f
T
h
i
n
g
s
allo
w
s
p
eo
p
le
an
d
th
i
n
g
s
to
b
e
co
n
n
ec
ted
An
y
ti
m
e,
An
y
p
lace
,
w
it
h
An
y
th
i
n
g
an
d
An
y
o
n
e,
id
ea
ll
y
u
s
i
n
g
A
n
y
p
at
h
/n
e
t
w
o
r
k
an
d
An
y
s
er
v
ice.
”
T
h
e
I
n
ter
n
et
o
f
T
h
in
g
s
p
ar
ad
ig
m
ca
n
b
e
v
ie
w
ed
as
o
n
e
p
ar
a
d
ig
m
,
m
a
n
y
v
i
s
io
n
s
[
2
]
.
T
h
e
v
is
io
n
s
ca
n
b
e
class
i
f
ied
as
I
n
ter
n
et
-
o
r
ien
ted
,
T
h
in
g
s
-
o
r
ien
ted
a
n
d
Se
m
an
tic
-
o
r
ien
ted
.
I
n
ter
n
et
-
o
r
ie
n
t
ed
Vis
io
n
s
m
ai
n
l
y
f
o
cu
s
es o
n
tr
y
i
n
g
to
u
n
iq
u
e
l
y
i
d
en
tify
t
h
e
t
h
i
n
g
s
a
n
d
f
o
cu
s
es
o
n
I
P
f
o
r
S
m
ar
t O
b
j
ec
ts
an
d
W
eb
o
f
T
h
in
g
s
.
T
h
e
T
h
in
g
s
-
o
r
ien
ted
v
i
s
io
n
m
ai
n
l
y
f
o
cu
s
e
s
o
n
t
h
e
o
b
j
ec
ts
s
u
c
h
as
s
e
n
s
o
r
s
,
ac
t
u
at
o
r
s
etc.
W
h
i
le
t
h
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2088
-
8708
A
n
I
o
T F
r
a
mewo
r
k
fo
r
A
d
d
r
ess
in
g
P
a
r
en
ts
C
o
n
c
ern
s
a
b
o
u
t
S
a
fety
o
f S
c
h
o
o
l
.
.
.
.
(
P
o
o
n
a
m
Gu
p
ta
)
3053
Se
m
a
n
tic
-
o
r
ien
ted
v
i
s
io
n
m
ai
n
l
y
f
o
cu
s
es
o
n
t
h
e
S
m
ar
t
I
n
ter
n
et
o
f
T
h
in
g
s
w
h
ich
ar
e
ca
p
ab
le
o
f
tak
in
g
in
d
ep
en
d
en
t d
ec
is
io
n
s
b
y
r
ea
s
o
n
in
g
o
v
er
d
ata
an
d
m
ac
h
i
n
e
l
ea
r
n
in
g
.
W
ith
t
h
e
I
n
ter
n
et
o
f
T
h
in
g
s
p
ar
ad
ig
m
t
h
er
e
ca
n
b
e
p
o
te
n
tiall
y
h
u
g
e
n
u
m
b
er
o
f
ap
p
li
ca
tio
n
s
i
n
m
u
ltip
le
d
o
m
ain
s
s
u
ch
as
T
r
an
s
p
o
r
tatio
n
an
d
L
o
g
is
tics
,
He
alth
C
ar
e,
S
m
ar
t
Ho
m
e
an
d
Of
f
ice
etc.
On
e
o
f
th
e
ap
p
licatio
n
s
i
s
s
m
ar
t
an
d
s
u
s
tain
ab
le
ci
t
y
.
Ma
n
y
f
ac
to
r
s
a
n
d
ch
a
llen
g
es
li
k
e
j
o
b
cr
ea
tio
n
,
en
v
ir
o
n
m
e
n
tal
s
u
s
tai
n
ab
ilit
y
,
ec
o
n
o
m
ic
g
r
o
wth
a
n
d
b
etter
p
u
b
lic
s
er
v
ice
s
e
tc.
ar
e
co
n
s
id
er
ed
in
m
a
k
i
n
g
t
h
e
cit
y
s
m
ar
t
w
it
h
th
e
h
elp
o
f
I
n
ter
n
et
o
f
T
h
i
n
g
s
.
“
Di
g
ital
Ur
b
an
i
s
m
[
5
]
”
is
a
t
er
m
w
h
ic
h
is
c
u
r
r
en
tl
y
b
ein
g
ad
o
p
ted
b
y
t
h
e
cit
y
p
lan
n
er
s
a
n
d
ar
ch
itect
s
,
en
g
in
ee
r
s
etc.
to
r
ea
lis
e
th
e
s
m
ar
t a
n
d
s
u
s
tai
n
ab
le
cities.
An
o
th
er
in
ter
e
s
ti
n
g
ap
p
licatio
n
o
f
t
h
e
I
n
ter
n
et
o
f
T
h
in
g
s
is
“
T
h
e
T
alk
i
n
g
Mu
s
eu
m
[
6
]
”.
T
h
is
p
r
o
j
ec
t
m
ak
e
s
t
h
e
o
b
j
ec
ts
o
f
a
m
u
s
e
u
m
ex
h
ib
itio
n
ab
le
to
“
tal
k
”
d
u
r
in
g
t
h
e
u
s
er
‟
s
v
i
s
it.
T
h
e
o
b
j
e
cts
r
ea
ll
y
tell
a
s
to
r
y
u
s
i
n
g
m
u
lti
m
ed
ia
f
ac
ilit
ies.
Vir
tu
ali
s
atio
n
o
f
f
lo
r
ic
u
lt
u
r
al
s
u
p
p
l
y
c
h
ai
n
s
[
7
]
cr
ea
tes
a
v
ir
tu
a
l
s
u
p
p
l
y
ch
ai
n
m
an
a
g
e
m
e
n
t s
y
s
te
m
i
n
th
e
f
lo
r
icu
lt
u
r
al
s
ec
to
r
.
W
e
ap
p
ly
I
o
T
f
o
r
m
o
n
ito
r
i
n
g
s
af
et
y
o
f
t
h
e
s
ch
o
o
l
s
t
u
d
en
t
s
.
T
h
e
p
ar
en
ts
ca
n
m
o
n
ito
r
t
h
eir
ch
ild
w
i
th
th
e
h
e
lp
o
f
a
m
o
b
ile
ap
p
.
P
r
ev
io
u
s
l
y
t
h
er
e
h
as b
ee
n
r
esear
ch
d
o
n
e
o
n
th
i
s
to
p
ic
[
8
]
w
h
ich
f
o
cu
s
ed
m
o
r
e
o
n
t
h
e
t
y
p
es
o
f
n
et
w
o
r
k
s
an
d
s
ta
n
d
ar
d
s
w
h
ic
h
co
u
ld
b
e
u
s
ed
to
r
ea
lis
e
it.
Ma
n
y
a
tte
m
p
t
s
h
a
v
e
b
ee
n
m
ad
e
p
r
ev
io
u
s
l
y
[
9
-
1
0
]
w
h
er
e
t
h
e
s
ch
o
o
l
h
as
tr
ied
to
tr
ac
k
th
e
lo
ca
tio
n
s
o
f
t
h
e
s
t
u
d
en
t
s
,
w
h
ic
h
h
av
e
b
ee
n
o
p
p
o
s
ed
b
y
m
a
n
y
p
r
iv
ac
y
ad
v
o
ca
c
y
g
r
o
u
p
s
.
So
in
th
is
p
r
o
j
ec
t
w
e
o
n
l
y
g
i
v
e
n
t
h
e
p
ar
en
t
s
o
f
t
h
e
s
tu
d
en
t
a
ll
r
ig
h
t
s
to
ac
ce
s
s
t
h
e
lo
ca
tio
n
w
h
i
le
v
er
y
li
m
ited
r
i
g
h
ts
to
t
h
e
s
c
h
o
o
l.
T
h
e
Sc
h
o
o
l c
an
o
n
l
y
g
et
th
e
ac
c
ess
o
f
th
e
s
t
u
d
en
t
‟
s
lo
ca
tio
n
in
ca
s
e
o
f
an
e
m
er
g
e
n
c
y
.
2.
P
RO
P
O
SE
D
DE
T
A
I
L
S
Saf
et
y
o
f
s
c
h
o
o
l
g
o
i
n
g
s
tu
d
e
n
ts
is
t
h
e
p
r
io
r
it
y
to
p
ar
en
ts
an
d
r
esp
o
n
s
ib
ilit
y
o
f
s
ch
o
o
l
m
a
n
ag
e
m
e
n
t
an
d
au
th
o
r
it
y
.
R
ig
h
t
f
r
o
m
b
o
a
r
d
in
g
o
f
s
ch
o
o
l
b
u
s
,
r
ea
c
h
i
n
g
t
o
s
ch
o
o
l
p
r
e
m
is
e
th
e
n
en
ter
i
n
g
to
h
i
s
cla
s
s
r
o
o
m
,
s
tu
d
y
in
g
,
p
la
y
i
n
g
at
s
c
h
o
o
l,
th
en
a
g
ai
n
b
o
ar
d
in
g
a
b
u
s
a
n
d
r
etu
r
n
in
g
b
ac
k
to
h
o
m
e
an
d
u
lti
m
a
tel
y
g
etti
n
g
d
o
w
n
f
r
o
m
b
u
s
s
h
o
u
ld
b
e
d
o
n
e
s
af
el
y
a
n
d
in
s
ec
u
r
e
en
v
ir
o
n
m
en
t,
an
d
s
af
e
t
y
a
n
d
s
ec
u
r
it
y
is
to
b
e
en
s
u
r
ed
at
ev
er
y
p
o
in
t
o
f
ti
m
e.
P
ar
en
ts
a
r
e
al
w
a
y
s
co
n
ce
r
n
ed
ab
o
u
t
k
n
o
w
i
n
g
th
e
s
tat
u
s
o
f
h
i
s
w
ar
d
at
an
y
p
o
in
t
o
f
t
i
m
e
w
e
h
av
e
p
r
o
p
o
s
ed
a
n
o
v
elt
y
a
p
p
licatio
n
w
h
ic
h
en
s
u
r
e
s
s
a
f
et
y
o
f
s
c
h
o
o
l g
o
in
g
s
t
u
d
en
ts
.
T
o
im
p
le
m
e
n
t
t
h
e
p
r
o
p
o
s
ed
ap
p
licatio
n
an
d
p
r
o
v
id
e
I
o
T
,
w
e
th
o
u
g
h
t
o
f
clu
b
b
i
n
g
th
e
av
ailab
le
in
f
r
astru
ct
u
r
e
s
u
ch
a
s
m
o
b
il
es,
s
er
v
er
s
,
C
C
T
V
ca
m
er
a
a
n
d
o
t
h
er
n
ec
es
s
ar
y
i
n
f
r
as
tr
u
c
tu
r
e
lik
e
Gate
w
a
y
Ser
v
er
.
W
e
n
ee
d
to
u
n
d
er
s
ta
n
d
th
e
ex
p
ec
tatio
n
s
an
d
p
er
s
p
ec
tiv
e
o
f
d
i
f
f
er
e
n
t
u
s
er
s
:
P
ar
en
ts
,
Sta
f
f
,
St
u
d
en
t,
SP
OC
an
d
Veh
ic
le.
Fig
u
r
e
1
s
h
o
w
s
t
h
e
u
s
e
ca
s
e
d
iag
r
a
m
.
Fig
u
r
e
1
.
Use Cas
e
Dia
g
r
a
m
P
ar
en
ts
:
a.
W
h
en
s
tu
d
en
t
b
o
a
r
d
s
a
s
ch
o
o
l
b
u
s
(
s
ay
at
tim
e
t1
)
,
en
t
er
s
th
e
class
r
o
o
m
f
ir
s
t
tim
e
f
o
r
a
d
ay
(
s
ay
at
tim
e
t2
)
r
eg
is
te
r
e
d
m
o
b
ile
s
h
o
u
ld
g
et
n
o
tif
i
ca
t
io
n
s
n
1
an
d
n
2
r
es
p
ec
tiv
ely
.
b.
I
f
p
a
r
en
t
g
e
ts
n
1
n
o
tif
ic
ati
o
n
at
t
1
th
en
f
o
r
ev
e
r
y
s
tu
d
en
t
s
o
m
e
tim
e
s
a
y
is
d
ef
in
ed
as
t
,
w
aitin
g
ti
m
e
is
f
ix
ed
in
s
y
s
te
m
.
Su
p
p
o
s
e
if
m
o
b
ile
a
p
p
d
o
es
n
o
t
r
e
ce
iv
e
n
2
af
te
r
t
th
en
w
ith
o
u
t
in
ter
v
en
tio
n
o
f
p
a
r
en
t
,
m
o
b
ile
a
p
p
its
e
lf
s
h
o
u
ld
ch
e
ck
th
e
cu
r
r
en
t
lo
ca
ti
o
n
o
f
s
ch
o
o
l
b
u
s
if
th
e
s
ch
o
o
l
b
u
s
is
o
n
th
e
r
o
u
t
e
t
o
w
ar
d
s
s
ch
o
o
l
th
en
p
a
r
en
t
s
h
o
u
l
d
g
et
th
is
in
f
o
r
m
ati
o
n
th
r
o
u
g
h
n
o
t
if
icat
io
n
.
I
n
c
ase
s
ch
o
o
l
b
u
s
h
as
r
e
ac
h
e
d
t
o
s
ch
o
o
l
th
en
cu
r
r
en
t
l
o
c
ati
o
n
o
f
th
e
s
tu
d
en
t m
u
s
t b
e
ch
ec
k
e
d
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
6
,
No
.
6
,
Dec
em
b
er
201
6
:
30
5
2
–
3
05
9
3054
c.
I
f
p
a
r
en
ts
w
an
t
to
ac
c
ess
th
e
lo
c
ati
o
n
o
f
h
is
w
ar
d
h
e
s
h
o
u
ld
b
e
a
b
l
e
t
o
g
et
it
an
d
s
h
o
u
ld
a
b
l
e
to
f
in
d
w
h
eth
er
s
tu
d
en
t
is
in
C
l
ass
r
o
o
m
/ G
r
o
u
n
d
/ A
VR
/
L
a
b
.
Stu
d
e
n
t Sta
f
f
/
AS a
n
A
c
to
r
:
a.
Un
iq
u
e
id
en
tif
ic
ati
o
n
lo
ca
ti
o
n
ac
ce
s
s
b.
I
n
ca
s
e
o
f
em
er
g
en
cy
,
s
tu
d
en
t
m
u
s
t b
e
ab
l
e
to
in
f
o
r
m
an
d
c
o
n
n
ec
t to
p
a
r
en
ts
/S
P
OC
at
s
ch
o
o
l.
P
a
r
en
ts
an
d
SP
OC
s
h
o
u
l
d
g
et
an
ala
r
m
as
n
o
tif
ic
ati
o
n
f
o
r
th
is
s
itu
ati
o
n
.
Veh
icle
a
s
an
A
cto
r
:
a.
A
b
le
to
g
et
c
o
u
n
t
th
e
s
tu
d
en
ts
s
ea
tin
g
in
b
u
s
.
b.
Un
au
th
o
r
iz
ed
p
e
r
s
o
n
s
h
o
u
l
d
n
o
t
b
e
all
o
w
ed
t
o
en
te
r
th
e
b
u
s
.
c.
R
ep
ly
t
o
p
a
r
en
ts
q
u
e
r
y
in
ca
r
e
b
u
s
is
l
ate
.
d.
P
i
ck
u
p
an
d
D
r
o
p
R
o
u
t
e
an
d
t
i
m
e
is
f
ix
ed
.
I
n
ca
s
e
o
f
d
elay
n
o
tif
i
ca
t
io
n
n
ee
d
s
t
o
b
e
s
en
t
t
o
p
a
r
en
ts
as
w
ell
as sch
o
o
ls
S
P
OC
.
Sch
o
o
l
:
a.
2
–
T
i
er
s
ec
u
r
ity
.
A
ll
A
u
th
o
r
iz
ed
v
eh
i
cle
i
d
en
tif
i
ca
t
io
n
w
ill
b
e
d
o
n
e
a
t
Gat
e
.
A
ll
C
R
,
L
AB
,
A
V
R
o
o
m
s
,
Facu
lty
R
o
o
m
s
w
ill h
av
e
u
n
it t
o
r
e
a
d
th
e
t
ag
s
.
b.
C
C
T
V
C
am
er
as
a
r
e
in
s
t
all
ed
a
t
d
if
f
er
en
t
lo
ca
t
io
n
s
t
o
m
o
n
it
o
r
al
l
ac
tiv
ities
w
ith
SP
OC
h
av
in
g
its
c
o
n
tr
o
l
.
c.
Sm
o
k
e
d
ete
ct
o
r
s
ar
e
als
o
in
s
ta
lle
d
to
d
e
te
ct
th
e
f
ir
e
in
ci
d
en
ts
at
s
ch
o
o
l
.
I
t
als
o
g
iv
es
al
ar
m
in
ca
r
e
o
f
f
ir
e
d
et
ec
ti
o
n
an
d
s
en
d
s
n
o
tif
ic
ati
o
n
to
S
P
OC
.
d.
I
n
c
ase
o
f
em
er
g
en
cy
al
er
t,
th
e
S
P
OC
s
h
o
u
l
d
b
e
a
b
l
e
ac
ce
s
s
t
h
e
l
o
c
ati
o
n
o
f
s
tu
d
en
ts
.
3.
SYST
E
M
M
O
DE
L
Var
io
u
s
s
e
n
s
o
r
s
s
u
c
h
as
R
FID
R
ea
d
er
s
,
C
C
T
V
C
a
m
er
as,
an
d
S
m
o
k
e
Dete
cto
r
s
w
i
ll
b
e
d
ep
lo
y
ed
o
n
th
e
Sc
h
o
o
l
B
u
s
an
d
in
d
if
f
er
e
n
t
lo
ca
tio
n
s
at
Sch
o
o
l.
T
h
e
s
tu
d
en
t
s
an
d
s
taf
f
w
ill
h
a
v
e
a
R
FID
tag
attac
h
ed
o
n
th
eir
I
D
ca
r
d
w
h
ich
w
il
l
u
n
iq
u
el
y
id
e
n
ti
f
y
t
h
e
s
tu
d
e
n
ts
a
n
d
s
taf
f
as
w
el
l
as
ca
n
p
r
o
v
id
e
lo
ca
tio
n
s
w
ith
GP
S
b
u
ilt
-
in
t
h
e
R
FID
ta
g
s
.
A
t
L
e
v
el
1
o
f
th
e
p
r
o
p
o
s
ed
s
y
s
te
m
i
s
s
en
s
in
g
an
d
ac
q
u
ir
i
n
g
t
h
e
D
ata.
A
ll
t
h
e
s
en
s
in
g
d
ev
ices p
r
o
v
id
e
ce
r
tain
t
y
p
e
o
f
d
ata.
T
h
is
d
ata
is
o
f
n
o
u
s
e
u
n
les
s
it is
p
r
o
ce
s
s
ed
to
g
et
t
h
e
in
f
o
r
m
atio
n
.
A
t
L
e
v
el
2
d
if
f
er
en
t
s
i
n
k
n
o
d
e
s
i.e
.
Gate
w
a
y
De
v
ice
s
ar
e
d
ev
elo
p
ed
an
d
in
s
talled
at
Sc
h
o
o
l
B
u
s
a
n
d
in
d
i
f
f
er
e
n
t
lo
ca
tio
n
s
at
Sc
h
o
o
l.T
h
ese
s
in
k
n
o
d
es
co
llect
a
l
l
th
e
d
ata
an
d
m
o
d
el
it
in
s
u
c
h
a
w
a
y
it
ca
n
ca
ter
th
e
r
eq
u
ir
e
m
en
t
o
f
A
p
p
licatio
n
i.e
.
it
ca
n
p
r
o
v
id
e
ap
p
r
o
p
r
iate
s
er
v
ices
to
ap
p
licatio
n
s
.
T
h
is
in
f
o
r
m
atio
n
is
s
en
t
to
th
e
m
ai
n
Ser
v
er
,
w
h
ic
h
als
o
d
o
es
s
o
m
e
k
i
n
d
o
f
p
r
o
ce
s
s
in
g
to
th
is
i
n
p
u
t
i
n
f
o
r
m
atio
n
.
T
h
is
is
th
e
L
ev
e
l
2
o
f
th
e
p
r
o
p
o
s
ed
s
y
s
te
m
.
A
t
L
ev
el
3
,
w
e
h
a
v
e
ap
p
s
in
s
talled
o
n
t
h
e
m
o
b
ile
d
ev
ice
s
o
f
p
ar
en
ts
,
s
ta
f
f
an
d
SP
OC
.
T
h
e
m
o
b
ile
ap
p
s
in
s
talled
o
n
th
e
P
ar
en
t
‟
s
m
o
b
ile
p
h
o
n
es
w
il
l
g
et
t
h
e
n
o
t
if
icatio
n
s
o
n
ce
t
h
eir
w
ar
d
b
o
ar
d
s
th
e
Sch
o
o
l
B
u
s
,
en
ter
s
clas
s
r
o
o
m
f
o
r
th
e
f
ir
s
t
ti
m
e.
T
h
e
m
o
b
ile
ap
p
s
r
eq
u
ests
an
d
g
et
r
esp
o
n
s
es
f
r
o
m
th
e
Ma
in
Ser
v
er
,
w
h
o
in
itiate
s
t
h
e
n
o
ti
f
icatio
n
s
to
th
e
m
o
b
ile
ap
p
s
.
I
f
th
e
s
tu
d
e
n
ts
d
o
es
n
o
t
r
ea
ch
Sch
o
o
l
af
ter
a
p
r
ed
ef
i
n
ed
ti
m
e
t
af
ter
h
e
h
as
b
o
ar
d
ed
th
e
Sch
o
o
l
B
u
s
.
T
h
e
Ma
in
Ser
v
er
w
i
ll
i
n
it
iate
a
n
o
ti
f
icatio
n
o
r
an
aler
t
to
th
e
P
ar
en
t‟
s
m
o
b
ile
ap
p
an
d
t
h
i
s
A
p
p
w
ill
a
llo
w
t
h
e
P
ar
en
t
to
ac
ce
s
s
t
h
e
lo
ca
tio
n
o
f
h
is
w
ar
d
.
Mo
b
ile
A
p
p
also
allo
w
s
P
ar
en
t
to
ac
c
e
s
s
th
eir
w
ar
d
‟
s
lo
ca
tio
n
at
an
y
ti
m
e
w
h
e
n
e
v
er
r
eq
u
ir
ed
.
I
n
ca
s
e
o
f
an
y
E
m
er
g
en
c
y
,
t
h
e
m
o
b
ile
A
p
p
w
i
ll
aler
t
th
e
P
ar
en
ts
a
s
w
el
l
a
s
SP
OC
,
s
o
th
at
t
h
e
y
ca
n
ea
s
il
y
r
ea
ch
h
elp
.
4.
SYST
E
M
ARCH
I
T
E
CT
U
R
E
AND
E
NAB
L
I
NG
T
E
CH
NO
L
O
G
Y
T
h
e
A
r
ch
it
ec
tu
r
e
(
R
ef
er
F
ig
u
r
e
3
)
co
n
s
is
ts
o
f
v
a
r
i
o
u
s
c
o
m
p
o
n
en
ts
s
u
ch
as
Sen
s
o
r
s
e
.
g
.
R
F
I
D,
C
C
T
V
C
am
er
a
et
c.
,
G
etaw
ay
Dev
ices,
Se
r
v
e
r
s
an
d
M
o
b
il
e
D
ev
ice
s
an
d
C
o
m
m
u
n
icatio
n
Pro
to
c
o
ls
e.
g
.
B
lu
et
o
o
th
,
Wi
-
Fi
,
Z
ig
b
ee
e
tc
.
T
h
e
s
tu
d
en
ts
an
d
s
taf
f
o
f
th
e
s
ch
o
o
l
w
ill
h
av
e
an
I
d
en
tity
C
ar
d
in
w
h
ic
h
th
e
R
FID
tag
s
ar
e
em
b
ed
d
e
d
.
T
h
ese
tag
s
th
er
ef
o
r
e
c
an
a
ll
o
w
u
s
to
u
n
iq
u
e
ly
id
e
n
tif
y
th
e
s
tu
d
en
t
o
r
th
e
s
t
af
f
m
em
b
er
an
d
als
o
th
ei
r
lo
c
ati
o
n
c
an
b
e
d
ete
ct
ed
.
T
h
e
Sch
o
o
l
B
u
s
an
d
th
e
Sch
o
o
l
C
l
ass
r
o
o
m
s
w
ill
h
av
e
a
Gate
w
ay
Dev
ices
as
w
ell
as
v
ar
i
o
u
s
s
en
s
o
r
s
s
u
ch
as
R
F
I
D
R
ea
d
er
s
,
C
C
T
V
C
am
er
as
an
d
Sm
o
k
e
Dete
ct
o
r
s
.
T
h
e
d
ata
f
r
o
m
th
e
s
en
s
o
r
s
is
g
ath
er
ed
an
d
p
r
o
c
ess
e
d
b
y
th
e
Gat
ew
a
y
Dev
ices.
T
h
e
Gat
ew
ay
Dev
ices
ac
ts
as
a
m
id
d
l
ew
a
r
e
f
o
r
th
e
p
r
o
p
o
s
e
d
ap
p
li
ca
ti
o
n
o
f
I
n
te
r
n
et
o
f
T
h
i
n
g
s
.
A
Mid
d
lew
ar
e
p
l
atf
o
r
m
f
o
r
th
e
I
o
T
p
r
o
v
i
d
es
an
a
b
s
t
r
ac
t
lay
er
in
te
r
p
o
s
e
d
b
etw
ee
n
th
e
I
T
in
f
r
ast
r
u
c
tu
r
e
an
d
th
e
ap
p
li
ca
ti
o
n
s
[
1
1
]
.
T
h
e
Mi
d
d
lew
ar
e
p
l
atf
o
r
m
u
s
in
g
Se
m
an
tic
W
e
b
T
ec
h
n
o
l
o
g
ies
s
o
lv
e
m
an
y
ch
all
en
g
es
s
u
ch
as
I
n
te
r
o
p
er
ab
ilit
y
,
S
ca
l
ab
ilit
y
,
A
b
s
t
r
a
cti
o
n
,
Sp
o
n
tan
eo
u
s
I
n
te
r
a
cti
o
n
,
Un
f
ix
e
d
I
n
f
r
ast
r
u
c
tu
r
e
,
Secu
r
ity
an
d
P
r
iv
ac
y
[1
2
]
.
S
em
an
tic
W
e
b
a
p
p
r
o
ac
h
es
c
an
p
r
o
v
i
d
e
co
n
t
ex
t
aw
ar
en
ess
to
a
p
p
lic
ati
o
n
s
an
d
m
ea
n
in
g
f
u
l
in
f
o
r
m
atio
n
to
u
s
er
s
s
o
th
ey
ca
n
d
ec
id
e
h
o
w
to
co
m
p
o
s
e
m
u
ltip
le
s
er
v
i
ce
s
an
d
im
p
r
o
v
e
s
e
cu
r
ity
an
d
p
r
iv
a
cy
d
ec
is
i
o
n
s
[
1
3
]
.
T
h
e
R
FID
tag
s
an
d
R
F
I
D
R
ea
d
er
s
u
s
e
th
e
Z
ig
B
e
e
p
r
o
t
o
co
l
f
o
r
th
e
c
o
m
m
u
n
icatio
n
,
w
h
ile
th
e
c
o
m
m
u
n
icati
o
n
b
etw
ee
n
th
e
Gat
ew
a
y
Dev
ices
a
n
d
th
e
Ma
in
Se
r
v
e
r
is
d
o
n
e
eith
e
r
b
y
W
i
-
Fi
o
r
b
y
Mo
b
il
e
I
n
te
r
n
e
t
s
u
ch
as
GP
R
S
,
2
G
o
r
3
G
tech
n
o
l
o
g
ies
.
T
h
e
Ma
in
Se
r
v
er
g
ath
er
s
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2088
-
8708
A
n
I
o
T F
r
a
mewo
r
k
fo
r
A
d
d
r
ess
in
g
P
a
r
en
ts
C
o
n
c
ern
s
a
b
o
u
t
S
a
fety
o
f S
c
h
o
o
l
.
.
.
.
(
P
o
o
n
a
m
Gu
p
ta
)
3055
an
d
p
r
o
ce
s
s
es
al
l
th
e
in
f
o
r
m
at
io
n
th
a
t
it
ac
q
u
i
r
es
f
r
o
m
th
ese
m
u
ltip
l
e
Ga
tew
ay
Dev
ices.
A
f
ter
th
e
p
r
o
c
ess
in
g
th
ese
in
f
o
r
m
atio
n
i
t
ca
n
s
en
d
ale
r
ts
o
r
n
o
t
if
ica
ti
o
n
s
to
th
e
p
a
r
en
ts
o
r
s
taf
f
m
e
m
b
er
s
w
ith
th
e
h
elp
o
f
n
at
iv
e
m
o
b
ile
a
p
p
o
r
a
w
eb
ap
p
l
ica
ti
o
n
in
s
t
all
ed
o
n
th
ei
r
m
o
b
ile
p
h
o
n
es.
T
h
e
C
l
o
u
d
S
e
r
v
er
a
cts
a
b
ac
k
u
p
s
e
r
v
e
r
an
d
th
e
d
at
a
an
d
th
e
l
o
g
is
r
e
p
l
i
ca
t
ed
p
er
io
d
i
ca
lly
in
to
th
e
C
lo
u
d
.
T
h
e
C
l
o
u
d
Se
r
v
e
r
w
ill
h
elp
in
r
ec
o
v
e
r
y
m
an
ag
e
m
en
t
w
h
en
th
e
Ma
in
S
er
v
e
r
f
ails
.
F
ig
u
r
e
2
is
s
h
o
w
s
th
e
Sy
s
tem
Mo
d
el
o
f
Pr
o
p
o
s
e
d
Sy
s
te
m
.
Fig
u
r
e
2
.
Sy
s
tem
Mo
d
e
l
o
f
Pr
o
p
o
s
e
d
Sy
s
tem
Fig
u
r
e
3
.
A
r
ch
ite
ctu
r
e
o
f
P
r
o
p
o
s
e
d
Sy
s
tem
5.
WO
RK
I
N
G
O
F
T
H
E
P
RO
P
O
SE
D
SY
ST
E
M
T
h
e
m
ai
n
f
u
n
ctio
n
alit
y
o
f
t
h
e
s
y
s
te
m
is
to
en
s
u
r
e
t
h
e
s
a
f
et
y
o
f
th
e
s
tu
d
e
n
ts
.
Flo
w
o
f
ev
e
n
ts
w
h
e
n
a
Stu
d
e
n
t
b
o
ar
d
s
th
e
Sc
h
o
o
l
b
u
s
.
Fo
llo
w
i
n
g
is
t
h
e
A
l
g
o
r
it
h
m
s
h
o
w
i
n
g
t
h
e
f
lo
w
o
f
e
v
e
n
ts
w
h
e
n
a
Stu
d
e
n
t
b
o
ar
d
s
th
e
Sch
o
o
l B
u
s
:
a.
Set V
ar
iab
le
t1
(
ti
m
e)
w
h
e
n
St
u
d
en
t B
o
ar
d
s
th
e
Sc
h
o
o
l B
u
s
b.
R
FID
R
ea
d
er
p
r
esen
t i
n
t
h
e
B
u
s
d
etec
ts
t
h
e
id
en
t
it
y
o
f
th
e
S
tu
d
en
t
s
a
y
s
1
an
d
lo
ca
tio
n
l1
c.
T
h
e
in
f
o
r
m
at
io
n
p
r
o
ce
s
s
ed
b
y
th
e
R
FID
R
ea
d
er
is
s
e
n
t to
th
e
Gate
w
a
y
De
v
ice
p
r
esen
t i
n
t
h
e
B
u
s
d.
T
h
e
Gate
w
a
y
Dev
ice
s
p
r
o
ce
s
s
es th
e
i
n
f
o
r
m
atio
n
a
n
d
s
en
d
s
t
h
e
in
f
o
r
m
at
io
n
to
th
e
Ma
i
n
Se
r
v
er
.
e.
T
h
e
Ma
in
Ser
v
er
th
e
n
p
r
o
ce
s
s
es
t
h
e
i
n
f
o
r
m
atio
n
i.e
.
t1
,
s
1
a
n
d
l1
.
I
t
t
r
i
g
g
er
s
a
n
n
o
ti
f
icatio
n
-
"
St
u
d
en
t
s
1
b
o
ar
d
e
d
th
e
Sch
o
o
l B
u
s
B
at
t1
ti
m
e
at
l1
lo
ca
tio
n
"
f.
T
h
e
Ma
in
Ser
v
er
s
e
n
d
s
th
e
n
o
t
if
icatio
n
to
th
e
p
ar
en
t o
f
t
h
e
s
t
u
d
en
t s1
v
ia
th
e
Mo
b
ile
A
p
p
.
g.
T
h
e
Gate
w
a
y
De
v
ice
o
f
t
h
e
B
u
s
c
h
ec
k
s
th
at
"
Hav
e
all
t
h
e
s
t
u
d
en
t
s
S
b
o
ar
d
ed
th
e
B
u
s
?"
I
f
No
,
it
r
ep
ea
ts
th
e
Step
s
1
-
6
else,
co
n
ti
n
u
e
to
n
ex
t
Step
.
h.
A
ll t
h
e
p
r
o
ce
s
s
ed
in
f
o
r
m
at
io
n
is
s
e
n
d
to
th
e
Ma
in
Ser
v
er
T
h
e
Ma
in
Ser
v
er
lo
g
s
t
h
e
in
f
o
r
m
atio
n
f
o
r
th
at
B
u
s
.
Flo
w
o
f
ev
e
n
t
s
w
h
e
n
t
h
e
S
tu
d
e
n
t
en
ter
s
t
h
e
Sch
o
o
l
C
la
s
s
r
o
o
m
.
Fo
llo
w
i
n
g
is
th
e
A
l
g
o
r
it
h
m
s
h
o
w
i
n
g
th
e
f
lo
w
o
f
e
v
en
t
s
w
h
en
a
St
u
d
en
t
en
ter
s
t
h
e
Sc
h
o
o
l
C
las
s
r
o
o
m
:
a.
Stu
d
e
n
t s1
en
ter
s
t
h
e
Sc
h
o
o
l C
lass
r
o
o
m
c1
at
ti
m
e
t2
.
b.
R
FID
R
ea
d
er
p
r
esen
t i
n
t
h
e
C
l
ass
r
o
o
m
c1
id
en
ti
f
ies t
h
e
St
u
d
en
t s1
.
c.
T
h
e
in
f
o
r
m
at
io
n
p
r
o
ce
s
s
ed
b
y
th
e
R
FID
R
ea
d
er
is
s
e
n
t t
o
th
e
n
ea
r
est Ga
te
w
a
y
Dev
ice.
d.
T
h
e
Gate
w
a
y
Dev
ice
s
p
r
o
ce
s
s
es th
e
i
n
f
o
r
m
atio
n
a
n
d
s
en
d
s
t
h
e
in
f
o
r
m
at
io
n
to
th
e
Ma
i
n
Se
r
v
er
.
e.
T
h
e
Ma
in
Ser
v
er
t
h
en
p
r
o
ce
s
s
es
th
e
i
n
f
o
r
m
atio
n
i.e
.
t2
,
s
1
an
d
c1
.
I
t
tr
ig
g
er
s
a
n
n
o
tif
ica
tio
n
-
"
St
u
d
en
t
s
1
en
ter
ed
th
e
Sc
h
o
o
l Cl
as
s
r
o
o
m
c1
at
t2
tim
e"
.
f.
T
h
e
Ma
in
Ser
v
er
s
e
n
d
s
th
e
n
o
t
if
icatio
n
to
th
e
p
ar
en
t o
f
t
h
e
s
t
u
d
en
t s1
v
ia
th
e
Mo
b
ile
A
p
p
.
g.
T
h
e
Gate
w
a
y
De
v
ice
o
f
th
e
B
u
s
ch
ec
k
s
t
h
at
"
Hav
e
all
th
e
s
t
u
d
en
t
s
S
en
ter
ed
th
e
C
las
s
r
o
o
m
C
?
"
I
f
No
,
it
r
ep
ea
ts
th
e
Step
s
1
-
6
else,
co
n
tin
u
e
to
n
ex
t Step
.
h.
A
ll t
h
e
p
r
o
ce
s
s
ed
in
f
o
r
m
at
io
n
is
s
e
n
d
to
th
e
Ma
in
Ser
v
er
.
i.
T
h
e
Ma
in
Ser
v
er
lo
g
s
t
h
e
i
n
f
o
r
m
atio
n
f
o
r
th
at
C
lass
r
o
o
m
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
6
,
No
.
6
,
Dec
em
b
er
201
6
:
30
5
2
–
3
05
9
3056
Flo
w
o
f
e
v
e
n
ts
w
h
e
n
t
h
e
Stu
d
en
t
d
o
es
n
o
t
e
n
ter
t
h
e
C
la
s
s
r
o
o
m
w
i
th
i
n
th
e
p
r
ed
ef
i
n
ed
ti
m
e
p
er
io
d
.
Fo
llo
w
i
n
g
is
th
e
Alg
o
r
it
h
m
s
h
o
w
i
n
g
th
e
f
lo
w
o
f
ev
e
n
ts
w
h
e
n
a
St
u
d
en
t
d
o
es
n
o
t
e
n
ter
th
e
C
las
s
r
o
o
m
w
it
h
i
n
th
e
p
r
ed
ef
in
ed
ti
m
e
p
er
io
d
:
a.
Stu
d
e
n
t s1
en
ter
s
t
h
e
Sc
h
o
o
l B
u
s
.
b.
T
h
e
R
FID
R
ea
d
er
p
r
esen
t in
t
h
e
Sc
h
o
o
l B
u
s
id
en
ti
f
ies t
h
e
S
tu
d
en
t.
c.
T
h
e
in
f
o
r
m
at
io
n
p
r
o
ce
s
s
ed
b
y
th
e
R
FID
R
ea
d
er
is
s
en
t
to
th
e
Gate
w
a
y
Dev
ice.
T
h
e
Gate
w
a
y
De
v
ice
m
ar
k
s
t1
f
o
r
th
i
s
ev
e
n
t.
d.
T
h
e
Gate
w
a
y
De
v
ices
g
1
p
r
o
ce
s
s
es
t
h
e
i
n
f
o
r
m
atio
n
r
ec
ei
v
ed
an
d
s
e
n
d
s
t
h
e
i
n
f
o
r
m
atio
n
to
th
e
Ma
in
Ser
v
er
M.
e.
Fo
r
E
v
er
y
St
u
d
en
t
s
1
,
th
e
Ma
in
Ser
v
er
M
ch
ec
k
s
:
if
t3
=
t2
-
t1
>p
r
e
d
ef
in
ed
ti
m
e
t,
w
h
er
e
t2
is
th
e
cu
r
r
en
t
ti
m
e.
I
f
Ye
s
,
g
o
to
Step
8
else g
o
to
Step
6
.
f.
T
h
e
Ma
in
Ser
v
er
ch
ec
k
s
i
f
St
u
d
en
t s1
h
as e
n
ter
ed
C
las
s
r
o
o
m
c1
.
I
f
Yes,
g
o
to
Step
7
else g
o
to
Step
5
.
g.
T
h
e
Ma
in
Ser
v
er
lo
g
s
t
h
e
i
n
f
o
r
m
atio
n
f
o
r
th
at
St
u
d
en
t s1
,
B
u
s
b
1
an
d
C
las
s
r
o
o
m
c1
.
h.
T
h
e
Ma
in
S
er
v
er
w
i
ll
r
eq
u
e
s
t
th
e
lo
ca
tio
n
o
f
t
h
e
Sc
h
o
o
l
B
u
s
b
1
th
e
s
t
u
d
en
t
h
ad
b
o
ar
d
ed
to
th
e
Ga
te
w
a
y
Dev
ice
g
1
o
f
t
h
e
B
u
s
b
1
.
i.
I
s
th
e
Sc
h
o
o
l B
u
s
b
1
s
till
tr
av
e
llin
g
to
w
ar
d
s
Sch
o
o
l?
I
f
Yes,
g
o
to
Step
5
else g
o
to
Step
1
0
.
j.
A
cti
v
ate
t
h
e
e
m
er
g
e
n
c
y
m
ec
h
an
is
m
f
o
r
th
e
co
n
ce
r
n
ed
St
u
d
e
n
t s1
an
d
B
u
s
b
1
.
6.
I
M
P
L
E
M
E
NT
AT
I
O
N
D
E
T
AIL
S AN
D
R
E
SU
L
T
S
Mo
s
t
o
f
t
h
e
I
o
T
ap
p
licatio
n
s
ar
e
m
o
b
ile
ap
p
licatio
n
s
.
T
h
er
e
ar
e
m
u
ltip
le
p
r
o
to
co
ls
s
u
ch
as
HT
T
P
,
MQ
T
T
,
C
o
A
P
w
h
ic
h
ca
n
b
e
u
s
ed
f
o
r
I
o
T
a
p
p
licatio
n
d
e
v
elo
p
m
e
n
t.
MQ
T
elem
etr
y
T
r
an
s
p
o
r
t
P
r
o
t
o
co
l
(
MQ
T
T
)
h
as
a
n
u
m
er
o
u
s
ad
v
an
ta
g
e
s
o
v
er
HT
T
P
.
MQ
T
T
is
a
lig
h
t
w
ei
g
h
t
p
u
b
lis
h
/
s
u
b
s
cr
ib
e
m
es
s
a
g
in
g
p
r
o
to
co
l
(
u
s
ed
b
y
Face
b
o
o
k
Me
s
s
e
n
g
er
)
w
h
ile
HT
T
P
is
d
esig
n
ed
as
a
r
eq
u
est
-
r
esp
o
n
s
e
p
r
o
to
co
l
f
o
r
clien
t
-
s
er
v
er
co
m
p
u
ti
n
g
,
n
o
t
n
ec
ess
a
r
il
y
o
p
ti
m
ized
f
o
r
m
o
b
ile
an
d
p
u
s
h
ca
p
ab
ilit
ies,
p
ar
ticu
lar
l
y
in
ter
m
s
o
f
b
atter
y
u
s
a
g
e.
I
n
th
e
m
o
b
ile
en
v
ir
o
n
m
e
n
t,
r
esp
o
n
s
e
ti
m
es,
th
r
o
u
g
h
p
u
t,
lo
wer
b
atter
y
u
s
e
an
d
lo
w
er
b
an
d
w
id
t
h
ar
e
k
e
y
d
esig
n
cr
iter
ia.
I
f
MQ
T
T
is
co
m
p
ar
ed
w
it
h
HT
T
P,
MQ
T
T
g
iv
es
f
a
s
ter
r
esp
o
n
s
e
a
n
d
th
r
o
u
g
h
p
u
t,
a
n
d
co
n
s
u
m
e
s
le
s
s
b
atter
y
a
n
d
b
an
d
w
id
t
h
u
s
a
g
e
i
s
al
s
o
les
s
.
So
it
m
a
k
es
MQ
T
T
w
e
ll
s
u
ited
f
o
r
f
o
llo
w
in
g
cr
i
ter
ias
s
u
c
h
as
i
f
co
n
n
ec
ti
v
it
y
i
s
i
n
ter
m
itte
n
t,
i
f
b
an
d
w
id
th
i
s
at
a
p
r
e
m
iu
m
,
w
h
en
a
n
en
ter
p
r
is
e
a
p
p
licatio
n
n
ee
d
s
to
in
ter
ac
t
w
it
h
o
n
e
o
r
m
o
r
e
p
h
o
n
e
ap
p
s
,
an
d
p
h
o
n
e
o
r
tab
let
ap
p
s
n
ee
d
to
s
en
d
d
ata
r
eliab
ly
w
it
h
o
u
t
r
eq
u
ir
in
g
co
d
e
r
etr
y
lo
g
ic.
An
o
th
er
ad
v
an
tag
e
o
f
MQ
T
T
o
v
er
H
T
T
P
is
th
at
it
is
i
n
te
g
r
ated
w
i
th
e
n
ter
p
r
is
e
m
e
s
s
a
g
i
n
g
m
id
d
le
w
ar
e,
s
o
it
w
o
r
k
s
w
it
h
en
ter
p
r
is
e
-
le
v
el
ap
p
licatio
n
s
th
at
p
u
s
h
d
a
ta
to
m
o
b
ile
ap
p
s
.
Usi
n
g
MQ
T
T
d
ev
elo
p
er
s
ca
n
cr
ea
te
m
o
b
ile
ap
p
licatio
n
s
u
s
i
n
g
HT
ML
an
d
J
av
ascr
ip
t
an
d
y
et
h
a
v
e
th
e
m
es
s
ag
i
n
g
f
u
n
c
tio
n
w
o
r
k
i
n
g
at
th
e
n
a
tiv
e
la
y
er
,
in
n
ati
v
e
J
av
a
co
d
e,
d
ep
lo
y
ed
o
n
a
n
d
r
o
id
.
B
asicall
y
,
MQ
T
T
is
d
esi
g
n
ed
f
o
r
lo
w
laten
c
y
,
a
s
s
u
r
e
d
m
e
s
s
a
g
i
n
g
an
d
ef
f
icie
n
t
d
is
tr
ib
u
tio
n
.
H
T
T
P
is
n
o
t
o
p
ti
m
ized
f
o
r
lo
w
p
o
w
er
u
s
ag
e
o
r
m
i
n
i
m
izi
n
g
t
h
e
a
m
o
u
n
t o
f
b
y
t
es f
lo
w
i
n
g
.
MQ
T
T
u
s
es
T
C
P
is
lig
h
t
w
eig
h
t,
an
d
h
a
s
f
ea
tu
r
es
b
e
n
ef
icial
to
I
o
T
d
ev
ices.
I
t
is
m
atu
r
e
a
n
d
th
er
e
ar
e
a
lo
t
o
f
clie
n
t
a
n
d
s
er
v
er
i
m
p
le
m
en
ta
tio
n
s
,
m
ak
i
n
g
i
t
ea
s
i
er
to
d
ev
elo
p
u
p
o
n
.
MQ
T
T
w
o
r
k
s
o
n
a
p
u
b
/s
u
b
ar
ch
itect
u
r
e.
A
clie
n
t s
u
b
s
cr
ib
es to
a
ch
a
n
n
el
o
n
a
s
er
v
er
,
a
n
d
w
h
en
a
s
er
v
er
r
ec
ei
v
es
n
e
w
in
f
o
r
m
atio
n
f
o
r
t
h
at
ch
an
n
el,
it
p
u
s
h
es
i
t
o
u
t
to
t
h
at
d
ev
ice.
An
o
t
h
er
g
r
ea
t
f
ea
tu
r
e
o
f
MQ
T
T
is
th
at
y
o
u
ca
n
s
et
a
p
r
io
r
it
y
o
r
Qu
alit
y
o
f
Ser
v
ice
(
Qo
S):
a.
0
: T
h
e
clien
t/s
er
v
er
w
ill d
eli
v
e
r
th
e
m
es
s
a
g
e
o
n
ce
,
w
it
h
n
o
c
o
n
f
ir
m
atio
n
r
eq
u
ir
ed
.
b.
1
: T
h
e
clien
t/s
er
v
er
w
ill d
eli
v
e
r
th
e
m
es
s
a
g
e
at
least o
n
ce
,
co
n
f
ir
m
atio
n
r
eq
u
ir
ed
.
c.
2
: T
h
e
clien
t/s
er
v
er
w
ill
d
eli
v
e
r
th
e
m
es
s
a
g
e
ex
ac
tl
y
o
n
ce
b
y
u
s
i
n
g
a
h
a
n
d
s
h
a
k
e
p
r
o
ce
s
s
.
6
.
1
.
Co
m
pa
rit
iv
e
Ana
ly
s
is
6
.
1
.
1
.
P
a
ck
et
Size
T
h
e
s
ize
o
f
d
ata
p
ac
k
et
s
i
n
H
T
T
P
is
u
p
to
2
Kb
i
s
m
o
r
e
t
h
a
n
t
h
e
M
QT
T
w
h
ich
is
h
a
v
i
n
g
p
ac
k
et
s
ize
u
p
to
2
b
y
tes.
W
e
h
a
v
e
ca
p
tu
r
ed
th
e
MQ
T
T
an
d
HT
T
P
d
a
ta
p
ac
k
ets
u
s
in
g
W
ir
es
h
ar
k
t
o
o
l,
to
an
al
y
s
e
t
h
e
p
ac
k
et
s
ize
d
if
f
er
en
ce
b
et
w
ee
n
MQ
T
T
an
d
HT
T
P
.
Usi
n
g
MQ
T
T
p
r
o
to
c
o
l
:
W
e
h
av
e
co
n
n
ec
ted
MQ
T
T
cl
ien
t
to
E
clip
s
e
s
er
v
er
w
h
er
e
MQ
T
T
b
r
o
k
er
is
in
s
talled
(
M
QT
T
len
s
)
.
W
e
h
av
e
co
n
n
ec
ted
MQ
T
T
cl
ien
t
to
E
clip
s
e
s
er
v
er
w
h
er
e
MQ
T
T
b
r
o
k
er
is
in
s
ta
lled
(
MQ
T
T
len
s
)
.
Fig
u
r
e
4
s
h
o
s
t
h
e
MQ
T
T
clien
t c
o
n
n
ec
t
io
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2088
-
8708
A
n
I
o
T F
r
a
mewo
r
k
fo
r
A
d
d
r
ess
in
g
P
a
r
en
ts
C
o
n
c
ern
s
a
b
o
u
t
S
a
fety
o
f S
c
h
o
o
l
.
.
.
.
(
P
o
o
n
a
m
Gu
p
ta
)
3057
Fig
u
r
e
4
.
MQ
T
T
C
lien
t Co
n
n
e
ctio
n
T
h
en
w
e
h
a
v
e
ca
p
tu
r
ed
th
e
M
QT
T
p
ac
k
et
u
s
in
g
w
ir
e
s
h
ar
k
.
Fig
u
r
e
5
clea
r
l
y
s
h
o
w
s
t
h
e
d
a
ta
p
ac
k
et
s
s
en
t t
h
r
o
u
g
h
t
h
e
MQ
T
T
p
r
o
to
co
l.
Fig
u
r
e
5
.
P
ac
k
et
Size
Usi
n
g
HT
T
P
P
r
o
to
c
o
l:
Fig
u
r
e
6
clea
r
l
y
s
h
o
w
s
t
h
e
p
ac
k
et
s
ize
t
h
r
o
u
g
h
t
h
e
HT
T
P
p
r
o
to
co
l.
Fro
m
th
e
ab
o
v
e
t
w
o
p
ac
k
et
s
ize
f
i
g
u
r
es,
it
s
clea
r
th
at
HT
T
P p
a
ck
et
s
ize
i
s
m
o
r
e
th
a
n
t
h
e
MQ
T
T
p
ac
k
et
s
ize.
Fig
u
r
e
6
.
P
ac
k
et
Size
6
.
1
.
2
.
P
o
w
er
C
o
ns
u
m
ptio
n
W
h
ile
u
s
i
n
g
Ht
tp
,
b
atter
y
u
s
e
d
f
o
r
cr
ea
tin
g
a
n
d
m
ai
n
tai
n
i
n
g
a
co
n
n
ec
tio
n
i
s
m
o
r
e
t
h
an
t
h
e
MQ
T
T
p
r
o
to
co
l.
Fig
u
r
e
7
s
h
o
w
s
th
e
g
r
ap
h
ical
r
ep
r
esen
tatio
n
o
f
p
o
w
er
co
n
s
u
m
p
tio
n
w
h
ile
u
s
i
n
g
W
I
FI
n
et
w
o
r
k
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
6
,
No
.
6
,
Dec
em
b
er
201
6
:
30
5
2
–
3
05
9
3058
Fig
u
r
e
7
.
P
o
w
er
C
o
n
s
u
m
p
tio
n
6
.
1
.
3
.
T
i
m
e
L
a
t
ency
Fig
u
r
e
8
s
h
o
w
s
t
h
e
ti
m
e
late
n
c
y
b
et
w
ee
n
Http
an
d
MQ
T
T
p
r
o
to
c
o
l.
T
h
e
ti
m
e
d
ela
y
i
n
f
etch
i
n
g
o
r
r
ec
eiv
in
g
t
h
e
d
ata
is
s
li
g
h
tl
y
m
o
r
e
i
n
Ht
tp
th
a
n
MQ
T
T
.
I
t
is
d
u
e
to
t
h
e
r
ea
s
o
n
o
f
lar
g
e
p
ac
k
et
s
ize
o
f
Http
tak
es ti
m
e
d
ela
y
to
f
etc
h
o
r
r
e
ce
iv
e
th
e
d
ata.
Fig
u
r
e
8
.
T
im
e
L
a
ten
c
y
MQ
T
T
u
s
es less
p
o
w
er
to
m
ai
n
tai
n
an
o
p
en
co
n
n
ec
tio
n
,
to
r
ec
eiv
e
m
ess
a
g
es a
n
d
to
s
en
d
t
h
e
m
.
O
th
e
r
ad
v
an
ta
g
es
b
u
i
lt
in
to
th
e
M
QT
T
p
r
o
to
c
o
l
ar
e
r
etain
ed
m
ess
a
g
es
an
d
m
u
l
tip
le
s
u
b
s
cr
ip
tio
n
s
„
m
u
ltip
le
x
ed
‟
o
v
er
o
n
e
co
n
n
ec
tio
n
.
I
f
b
atter
y
co
n
s
u
m
p
tio
n
i
s
a
k
e
y
d
es
ig
n
cr
iter
ia
,
th
en
MQ
T
T
is
th
e
clea
r
an
s
w
er
.
7.
CO
NCLU
SI
O
N
No
w
a
d
a
y
s
,
r
esear
ch
er
s
ar
e
th
i
n
k
i
n
g
o
f
m
a
n
y
ap
p
licati
o
n
s
w
h
er
e
elec
tr
o
n
ics
d
e
v
ic
es
s
u
ch
a
s
co
m
p
u
ter
s
,
lap
to
p
s
,
s
e
n
s
o
r
s
,
m
o
b
ile
s
ar
e
ex
p
ec
ted
to
g
e
t
co
n
n
ec
ted
w
i
th
o
u
t
i
n
ter
v
e
n
tio
n
o
f
h
u
m
an
b
ei
n
g
s
a
n
d
I
o
T
m
ak
e
s
it
h
ap
p
en
.
So
in
th
is
p
ap
er
w
e
h
a
v
e
u
s
ed
I
o
T
t
o
p
r
o
p
o
s
e
s
o
lu
tio
n
f
o
r
p
ar
en
ts
co
n
ce
r
n
s
ab
o
u
t
th
eir
s
ch
o
o
l
g
o
i
n
g
k
id
s
s
o
t
h
at
t
h
e
y
w
i
ll
b
e
a
w
ar
e
ab
o
u
t
th
e
lo
ca
ti
o
n
o
f
t
h
eir
k
id
s
at
an
y
p
o
in
t
o
f
ti
m
e.
P
ar
en
ts
w
i
ll
also
g
et
to
k
n
o
w
ab
o
u
t
a
n
y
e
m
er
g
e
n
c
y
s
i
tu
atio
n
.
T
o
i
m
p
le
m
e
n
t
t
h
is
s
y
s
te
m
C
C
T
V
ca
m
er
a,
m
o
b
il
es
an
d
d
if
f
er
e
n
t
s
e
n
s
o
r
s
s
u
c
h
as
R
FID
,
s
m
o
k
e
d
etec
to
r
s
n
ee
d
to
b
e
u
s
ed
an
d
as
p
er
th
e
r
eq
u
ir
e
m
en
t
th
e
y
w
ill
b
e
co
n
n
ec
ted
w
it
h
GP
R
S,
Wi
-
Fi,
Z
ig
b
ee
,
B
lu
eto
o
t
h
.
T
h
e
Deta
ils
ab
o
u
t
all
d
ev
ices
a
n
d
co
m
m
u
n
icat
io
n
tech
n
o
lo
g
ies
to
b
e
u
s
ed
,
i
s
als
o
ex
p
lain
ed
.
A
s
y
s
t
e
m
m
o
d
el
an
d
ar
ch
itect
u
r
e
o
f
p
r
o
p
o
s
ed
s
y
s
te
m
i
s
al
s
o
g
i
v
e
n
in
t
h
is
p
ap
er
.
A
ll
d
ata
co
llect
ed
b
y
d
i
f
f
er
en
t
s
en
s
o
r
s
a
n
d
d
ev
ices
is
co
llected
,
a
g
g
r
e
g
ate
d
an
d
p
r
o
ce
s
s
ed
to
k
n
o
w
m
o
r
e
ab
o
u
t
t
h
e
co
n
te
x
t
to
s
atis
f
y
th
e
p
u
r
p
o
s
e
co
r
r
ec
tly
an
d
e
f
f
ec
ti
v
el
y
.
Fu
r
t
h
er
t
h
is
ap
p
licatio
n
ca
n
b
e
i
m
p
le
m
en
ted
w
it
h
t
h
e
h
elp
o
f
MQ
T
T
p
r
o
to
co
l
.
RE
F
E
R
E
NC
E
S
[1
]
K
.
A
sh
to
n
,
“
T
h
a
t
'
In
tern
e
t
o
f
T
h
in
g
s'
T
h
in
g
,
”
h
tt
p
:/
/w
ww
.
r
f
i
d
jo
u
r
n
a
l.
c
o
m
/article
s/
v
ie
w
?
4
9
8
6
.
[2
]
L
.
A
t
z
o
ri,
e
t
a
l
.
,
“
T
h
e
In
tern
e
t
o
f
T
h
in
g
s: A
su
rv
e
y
,
”
in
El
se
v
ier,
Co
m
p
u
ter Ne
tw
o
rk
s,
2010.
[3
]
T
.
L
u
a
n
d
W
.
Ne
n
g
,
“
F
u
tu
re
in
tern
e
t:
T
h
e
in
tern
e
t
o
f
th
in
g
s,”
in
3
rd
I
n
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
mp
u
ter
T
h
e
o
ry
a
n
d
En
g
i
n
e
e
rin
g
(
ICACT
E)
,
v
o
l.
5
,
2
0
1
0
.
[4
]
P
.
G
u
il
le
m
in
a
n
d
P
.
F
r
ies
s,
“
In
tern
e
t
o
f
th
in
g
s
stra
te
g
ic
r
e
se
a
r
c
h
ro
a
d
m
a
p
,
”
T
h
e
Clu
ste
r
o
f
Eu
ro
p
e
a
n
Res
e
a
rc
h
Pro
jec
ts,
T
e
c
h
.
Re
p
.
,
2
0
0
9
.
[5
]
h
tt
p
:
//
ti
m
sto
n
o
r
.
w
o
rd
p
re
ss
.
c
o
m
/2
0
1
3
/0
6
/0
6
/sm
a
rt
-
c
it
ies
-
w
h
y
-
w
h
a
t
-
how
-
h
o
w
/
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2088
-
8708
A
n
I
o
T F
r
a
mewo
r
k
fo
r
A
d
d
r
ess
in
g
P
a
r
en
ts
C
o
n
c
ern
s
a
b
o
u
t
S
a
fety
o
f S
c
h
o
o
l
.
.
.
.
(
P
o
o
n
a
m
Gu
p
ta
)
3059
[6
]
F
.
Am
a
to
,
e
t
a
l
.
,
“
T
h
e
T
a
lk
in
g
M
u
se
u
m
P
r
o
jec
t”,
i
n
T
h
e
4
th
In
t
e
rn
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Eme
rg
in
g
Ub
i
q
u
it
o
u
s
S
y
ste
ms
a
n
d
Per
v
a
si
v
e
Ne
two
rk
s (E
US
PN
-
2
0
1
3
)
,
2
0
1
3
.
[7
]
C.
N.
V
e
rd
o
u
w
,
e
t
a
l.
,
“
V
irt
u
a
li
sa
ti
o
n
o
f
f
lo
ricu
lt
u
ra
l
su
p
p
ly
c
h
a
in
s:
A
re
v
ie
w
f
ro
m
a
n
In
tern
e
to
f
T
h
in
g
s
p
e
rsp
e
c
ti
v
e
”
in
El
se
v
ier
,
Co
mp
u
t
e
rs
a
n
d
El
e
c
tro
n
ics
i
n
A
g
ric
u
lt
u
re
,
2
0
1
3
.
[8
]
Y
.
X
u
,
e
t
a
l.
,
“
T
h
e
Re
se
a
r
c
h
o
f
S
a
fe
t
y
M
o
n
it
o
ri
n
g
S
y
ste
m
A
p
p
li
e
d
in
S
c
h
o
o
l
B
u
s
Ba
se
d
o
n
t
h
e
In
ter
n
e
t
o
f
T
h
in
g
s
,
”
in
El
se
v
ier
,
Ad
v
a
n
c
e
d
i
n
C
o
n
tr
o
l
En
g
i
n
e
e
rin
g
a
n
d
In
fo
rm
a
t
io
n
S
c
ie
n
c
e
,
2
0
1
1
.
[9
]
<
h
tt
p
:/
/w
ww
.
z
d
n
e
t.
c
o
m
/b
lo
g
/i
g
e
n
e
ra
ti
o
n
/u
n
if
o
rm
-
c
o
m
p
u
ter
-
c
h
ip
s
-
t
ra
c
k
-
stu
d
e
n
t
-
lo
c
a
ti
o
n
s/1
5
6
8
1
/>
[1
0
]
<
h
tt
p
:/
/w
ww
.
p
c
w
o
rld
.
c
o
m
/article
/2
0
1
1
3
5
2
/t
e
x
a
s
-
sc
h
o
o
l
-
u
se
s
-
rf
id
-
b
a
d
g
e
s
-
to
-
trac
k
-
stu
d
e
n
t
-
l
o
c
a
ti
o
n
s.
h
tm
l
>
[1
1
]
M
.
A
.
Ch
a
q
f
e
h
a
n
d
N
.
M
o
h
a
m
e
d
,
“
Ch
a
ll
e
n
g
e
s in
M
id
d
lew
a
re
S
o
lu
ti
o
n
s f
o
r
th
e
In
tern
e
t
o
f
T
h
in
g
s
,
”
in
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Co
ll
a
b
o
ra
ti
o
n
T
e
c
h
n
o
lo
g
ies
a
n
d
S
y
ste
ms
(
CT
S
)
,
2
0
1
2
.
[1
2
]
V
.
A
v
c
h
a
t
a
n
d
P
.
G
u
p
ta
,
“
A
st
u
d
y
o
f
S
e
m
a
n
ti
c
M
id
d
lew
a
re
f
o
r
In
tern
e
t
o
f
T
h
in
g
s
,
”
In
ter
n
a
ti
o
n
l
J
o
u
rn
a
l
o
f
Ad
v
a
n
c
e
d
Res
e
a
rc
h
in
Co
mp
u
ter
S
c
ien
c
e
a
n
d
S
o
ft
w
a
re
En
g
in
e
e
rin
g
,
v
ol
/i
ss
u
e
:
4
(
12
),
pp
.
1
-
6,
2
0
1
4
.
[1
3
]
Z.
S
o
n
g
,
e
t
a
l.
,
“
S
e
m
a
n
ti
c
m
id
d
lew
a
r
e
f
o
r
th
e
In
tern
e
t
o
f
T
h
in
g
s,
”
i
n
Pro
c
.
IO
T
,
2
0
1
0
.
B
I
O
G
RAP
H
I
E
S
O
F
AUTH
O
RS
M
r
s.P
o
o
n
a
m
G
u
p
ta
h
a
s
c
o
m
p
lete
d
Ba
c
h
e
lo
r
o
f
En
g
in
e
e
rin
g
in
Co
m
p
u
ter
S
c
ien
c
e
a
n
d
En
g
in
e
e
rin
g
f
ro
m
Am
a
r
a
v
a
ti
Un
iv
e
rsit
y
a
n
d
M
a
ste
r
o
f
T
e
c
h
n
o
lo
g
y
in
Co
m
p
u
ter
En
g
i
n
e
e
rin
g
f
ro
m
P
u
n
jab
T
e
c
h
n
ica
l
Un
iv
e
rsity
in
1
9
9
8
a
n
d
2
0
0
9
re
sp
e
c
ti
v
e
ly
.
S
h
e
is
c
u
rre
n
tl
y
w
o
rk
in
g
a
s an
A
s
sista
n
t
P
r
o
f
e
ss
o
r
in
c
o
m
p
u
ter E
n
g
in
e
e
rin
g
De
p
a
rtm
e
n
t,
G
.
H.
Ra
iso
n
i
C
o
ll
e
g
e
o
f
En
g
in
e
e
rin
g
&
M
a
n
a
g
e
m
e
n
t,
S
a
v
it
rib
a
i
P
h
u
le
P
u
n
e
Un
iv
e
rsity
a
n
d
p
u
rsu
in
g
P
h
.
D.
I
Co
m
p
u
ter
S
c
ien
c
e
a
n
d
En
g
in
e
e
rin
g
f
ro
m
K.
L
.
Un
iv
e
risty
,
V
ij
a
y
a
w
a
d
a
.
He
r
re
s
e
a
rc
h
in
tere
sts
in
c
lu
d
e
w
irele
ss
se
n
so
r
n
e
tw
o
rk
s,
In
tern
e
t
o
f
T
h
in
g
s.
Dr
.
D
D
S
h
a
h
h
a
s
c
o
m
p
lete
d
Ba
c
h
e
lo
r
o
f
En
g
in
e
e
rin
g
in
El
e
c
tro
n
ics
f
ro
m
Ba
n
g
lo
re
Un
iv
e
rsit
y
a
n
d
M
a
ste
r
o
f
En
g
in
e
e
rin
g
i
n
El
e
c
tro
n
ics
f
ro
m
S
h
iv
a
ji
Un
iv
e
rsit
y
,
Ko
lh
a
p
u
r
i
n
1
9
8
4
a
n
d
1
9
9
2
re
sp
e
c
ti
v
e
l
y
.
H
e
h
a
s
re
c
e
iv
e
d
h
is
P
h
.
D.
f
ro
m
In
d
ian
In
stit
u
te
o
f
Tec
h
n
o
l
o
g
y
,
Bo
m
b
a
y
in
2
0
0
3
.
He
is
w
o
rk
in
g
a
s
P
ro
f
e
ss
o
r
in
E
lec
tro
n
ics
a
n
d
T
e
lec
o
m
m
u
n
ica
ti
o
n
En
g
in
e
e
rin
g
De
p
a
rt
m
e
n
t,
G
.
H.
Ra
iso
n
i
Co
ll
e
g
e
o
f
En
g
in
e
e
rin
g
&
M
a
n
a
g
e
m
e
n
t,
S
a
v
it
rib
a
i
P
h
u
le
P
u
n
e
Un
iv
e
rsity
.
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
F
ib
e
r
Op
ti
c
Co
m
m
u
n
ica
ti
o
n
,
Im
a
g
e
P
r
o
c
e
ss
in
g
,
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
s
Dr
K
V
V
S
a
ty
a
n
a
r
a
y
a
n
a
h
a
s
c
o
m
p
lete
d
Ba
c
h
e
lo
r
d
e
g
re
e
f
ro
m
A
n
d
h
ra
Un
iv
e
rsit
y
,
V
isa
k
h
a
p
a
tn
a
m
in
1
9
8
4
.
His
m
a
ste
rs
in
c
o
m
p
u
ter
A
p
li
c
a
ti
o
n
f
ro
m
A
n
d
h
ra
Un
iv
e
rsity
,
V
isa
k
h
a
p
a
tn
a
m
in
1
9
9
8
.
A
n
d
He
re
c
e
i
v
e
d
h
is
P
h
D(CSE
)
in
2
0
1
1
f
ro
m
A
c
h
a
r
y
a
Na
g
a
rju
n
a
Un
iv
e
rsit
y
,
G
u
n
tu
r.
His res
e
a
rc
h
a
re
a
in
c
lu
d
e
s clo
u
d
c
o
m
p
u
ti
n
g
,
B
io
m
e
tri
c
s.
Evaluation Warning : The document was created with Spire.PDF for Python.