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ca
s
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g
ti
m
e
[
1
4
,
1
5
]
.
T
h
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v
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ab
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en
t
f
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m
[
1
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.
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ap
p
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alit
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[
1
7
-
1
9
]
.
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m
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tech
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[
2
,
20
-
22
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p
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w
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ted
in
Sectio
n
2
.
Sectio
n
3
d
escr
ib
es
a
s
eq
u
en
ce
o
f
s
tate
m
e
n
ts
f
o
r
v
alid
atin
g
th
e
p
r
o
d
u
ce
d
tech
n
iq
u
e.
Se
ctio
n
4
in
tr
o
d
u
ce
s
th
e
s
m
o
o
t
h
i
n
g
p
la
y
b
ac
k
tec
h
n
iq
u
e
o
f
th
e
h
e
ter
o
g
en
eo
u
s
n
et
w
o
r
k
s
.
Sec
tio
n
5
ex
p
lai
n
s
t
h
e
m
o
b
ilit
y
m
o
d
el.
Sectio
n
6
d
is
c
u
s
s
e
s
t
h
e
s
i
m
u
latio
n
m
o
d
el.
Sect
io
n
7
h
ig
h
lig
h
ts
t
h
e
r
es
u
lt
s
o
f
t
h
e
co
n
d
u
cted
s
i
m
u
la
tio
n
.
Sectio
n
8
d
r
a
w
s
t
h
e
co
n
cl
u
s
io
n
r
e
m
ar
k
s
o
f
t
h
is
r
esear
c
h
.
2.
H
ANDO
VE
R
I
N
H
E
T
E
RO
G
E
NE
O
U
S NE
T
WO
RK
E
N
VIRO
NM
E
NT
S
W
ith
t
h
e
r
ap
id
i
m
p
r
o
v
e
m
en
t
o
f
t
h
e
w
ir
ele
s
s
tec
h
n
o
lo
g
y
,
d
if
f
er
en
t
t
y
p
e
s
o
f
m
o
b
ile
ter
m
in
als
a
n
d
th
e
u
s
e
o
f
h
i
g
h
-
p
er
f
o
r
m
an
ce
m
o
b
ile
d
ev
ice
s
,
s
u
c
h
as
p
o
r
tab
le
co
m
p
u
ter
s
,
p
o
ck
e
t
P
C
s
,
m
o
b
ile
p
h
o
n
e
s
a
n
d
P
DA
s
,
ar
e
r
is
i
n
g
w
o
r
ld
w
id
e.
T
h
er
e
ar
e
m
an
y
u
s
er
s
w
h
o
e
n
j
o
y
co
n
n
ec
ti
n
g
to
t
h
e
I
n
ter
n
e
t
f
o
r
o
b
tain
in
g
v
ar
io
u
s
s
er
v
ices
an
y
ti
m
e
a
n
d
a
n
y
w
h
e
r
e
b
y
u
s
i
n
g
f
i
x
ed
I
P
ad
d
r
ess
es.
T
h
e
i
m
p
r
o
v
e
m
e
n
t
o
f
t
h
e
m
o
b
ile
I
n
ter
n
et
h
a
s
r
is
en
a
s
ti
m
e
p
ass
e
s
b
y
.
I
n
o
r
d
er
to
s
atis
f
y
u
s
er
s
’
r
eq
u
ir
e
m
en
ts
f
o
r
t
h
e
m
o
b
ile
I
n
ter
n
et,
t
h
e
m
o
b
ile
I
P
tech
n
o
lo
g
y
n
ee
d
s
to
b
e
f
u
r
th
e
r
s
tu
d
ied
to
ac
h
iev
e
u
s
er
s
’
r
eq
u
est
s
.
A
m
o
b
ile
I
P
is
d
ef
in
ed
as
a
n
et
w
o
r
k
la
y
er
s
o
lu
tio
n
,
w
h
ich
d
eliv
er
s
m
o
b
ile
f
u
n
ctio
n
al
it
y
t
h
r
o
u
g
h
to
t
h
e
I
n
ter
n
et.
T
h
is
s
o
l
u
tio
n
is
s
ec
u
r
e,
r
eliab
le
a
n
d
s
ca
lab
le
w
h
er
e
it
lets
t
h
e
m
o
b
ile
n
o
d
e
r
etain
a
co
n
tin
u
o
u
s
c
o
m
m
u
n
icatio
n
li
n
k
o
n
ce
a
u
s
e
r
s
w
itc
h
es
t
h
e
li
n
k
.
Mo
b
ile
I
P
ap
p
lies
a
to
o
l
f
o
r
I
P
r
o
u
tin
g
th
at
let
s
a
m
o
b
ile
n
o
d
e
ea
s
il
y
co
n
n
ec
t
o
v
er
an
y
li
n
k
w
ith
a
p
er
m
a
n
en
t
I
P
.
Mo
b
ile
I
P
tech
n
o
lo
g
y
h
a
s
b
ec
o
m
e
a
n
i
m
p
o
r
ta
n
t
is
s
u
e
in
th
e
f
u
t
u
r
e
f
o
r
its
f
r
eq
u
en
t
u
s
e
i
n
m
o
b
ilit
y
,
r
eliab
ilit
y
a
n
d
s
ec
u
r
it
y
w
h
e
n
d
eliv
er
i
n
g
u
p
-
to
-
d
ate
s
er
v
ices
as
I
P
v
id
eo
an
d
Vo
ic
e
o
v
er
I
P
(
Vo
I
P
)
.
Fu
r
t
h
er
m
o
r
e,
it
m
ain
tain
s
a
n
ex
tr
e
m
e
l
y
e
f
f
icie
n
t
p
er
f
o
r
m
a
n
ce
w
i
th
i
n
d
ef
in
i
te
p
o
ten
tial
a
n
d
d
is
ti
n
cti
v
e
v
al
u
e
th
at
ca
n
b
e
i
m
p
r
o
v
ed
.
T
h
e
Mo
b
ile
I
P
n
o
w
ad
a
y
s
in
d
icate
s
to
I
P
v
4
an
d
I
P
v
6
m
o
b
iles
.
T
h
e
f
o
r
m
at
io
n
o
f
Mo
b
ile
I
P
v
6
is
an
i
m
p
r
o
v
e
m
e
n
t
o
f
Mo
b
ile
I
P
v
4
an
d
is
u
ti
lis
ed
th
r
o
u
g
h
s
e
v
er
al
n
e
w
c
h
ar
ac
t
er
is
tics
o
f
t
h
e
I
P
v
6
m
o
b
ile.
He
n
ce
,
it
d
eliv
er
s
m
o
r
e
ef
f
icie
n
t
c
h
ar
ac
ter
is
tics
co
m
p
ar
ed
to
th
e
I
P
v
4
m
o
b
ile.
I
t
ca
n
co
m
p
le
tel
y
m
ee
t
th
e
ad
d
r
ess
it r
eq
u
ir
es
f
o
r
a
n
u
m
er
o
u
s
n
u
m
b
er
o
f
m
o
b
ile
ter
m
i
n
als.
Han
d
o
v
er
a
p
r
o
ce
d
u
r
e
th
at
p
er
m
it
s
m
o
b
ile
d
ev
ices to
tr
a
n
s
f
er
f
r
o
m
a
s
i
n
g
le
n
et
w
o
r
k
ce
ll to
a
n
o
t
h
er
w
it
h
o
u
t t
h
e
n
e
ed
o
f
alter
i
n
g
t
h
eir
I
P
ad
d
r
ess
es.
W
h
en
a
m
o
b
ile
to
tr
an
s
f
er
f
r
o
m
a
s
in
g
le
n
et
w
o
r
k
ce
ll
to
an
o
th
er
,
it
is
o
n
l
y
b
y
m
ea
n
s
to
r
o
a
m
th
r
o
u
g
h
o
th
er
ce
lls
t
h
at
r
eq
u
ir
e
an
au
th
o
r
is
at
io
n
a
n
d
au
th
e
n
tica
tio
n
f
r
o
m
t
h
e
h
o
m
e
ce
ll
an
d
t
h
e
v
is
iti
n
g
ce
ll.
No
w
ad
a
y
s
,
m
o
b
il
e
d
ev
ices
ar
e
eq
u
ip
p
ed
w
it
h
s
e
v
er
al
W
ir
eless
Net
w
o
r
k
I
n
ter
f
ac
e
C
ar
d
s
(
W
NI
C
s
)
i
n
o
r
d
er
to
p
er
m
it
th
e
e
n
tir
e
m
o
b
ile
clie
n
t
s
to
p
as
s
t
h
r
o
u
g
h
m
a
n
y
h
e
ter
o
g
en
eo
u
s
w
ir
ele
s
s
tech
n
o
lo
g
ie
s
a
n
d
to
o
u
ts
p
r
ea
d
th
e
s
er
v
ice
ar
ea
f
o
r
en
ter
i
n
g
th
e
s
er
v
ice
s
i
n
a
s
i
m
p
le
w
a
y
o
n
c
e
t
h
ese
c
lien
ts
ar
e
tr
an
s
f
er
r
in
g
f
r
o
m
a
s
i
n
g
le
n
et
w
o
r
k
to
a
n
o
th
er
,
o
r
f
r
o
m
a
W
NI
C
to
an
o
t
h
er
[
23
]
.
On
ce
a
Mo
b
ile
C
lien
t
(
MC)
b
eg
i
n
s
tr
a
n
s
f
er
r
in
g
o
u
t
o
f
th
e
co
n
v
er
g
e
ar
ea
,
th
e
M
C
b
eg
i
n
s
m
is
s
in
g
t
h
e
c
o
n
n
ec
tio
n
o
f
th
e
v
id
eo
to
it
s
ac
ce
s
s
p
o
in
t
(
A
P
)
w
h
er
e
d
at
a
is
s
to
p
p
ed
b
ein
g
r
ec
eiv
ed
f
o
r
a
n
u
m
b
er
o
f
s
ec
o
n
d
s
.
T
h
e
MC
b
eg
i
n
s
at
t
h
i
s
p
o
in
t
tr
ac
in
g
a
n
o
t
h
er
b
ase
s
ta
tio
n
(
B
S)
o
r
A
P
in
o
r
d
e
r
t
o
b
e
l
i
n
k
e
d
w
i
t
h
i
t
.
T
h
i
s
t
y
p
e
o
f
p
r
o
c
e
d
u
r
e
i
s
n
a
m
e
d
h
a
n
d
o
v
e
r
[
24
,
25
]
,
w
h
i
c
h
r
e
t
a
i
n
s
t
h
e
f
r
a
m
e
t
r
a
n
s
m
i
s
s
i
o
n
a
n
d
c
h
a
n
n
e
l
c
o
n
n
e
c
t
i
o
n
w
h
e
r
e
t
h
e
m
o
v
e
m
e
n
t
o
f
t
h
e
M
C
i
s
b
a
s
e
d
o
n
t
h
e
s
m
o
o
t
h
h
a
n
d
o
v
e
r
[
2
3
,
2
5
]
.
T
h
e
d
e
m
a
n
d
f
o
r
h
i
g
h
l
y
p
er
v
as
iv
e
i
n
f
o
r
m
ati
o
n
ac
ce
s
s
ca
u
s
es
th
e
m
er
g
e
o
f
s
e
v
er
al
k
i
n
d
s
o
f
in
f
r
astr
u
ct
u
r
e
an
d
n
et
w
o
r
k
s
i
n
co
m
b
i
n
atio
n
to
th
e
W
ir
ele
s
s
L
o
ca
l
A
r
ea
Net
w
o
r
k
in
g
(
W
L
A
N)
,
W
ir
eles
s
Fid
elit
y
(
W
iFi
)
,
w
ir
eles
s
w
id
e
ar
ea
n
et
w
o
r
k
a
n
d
W
ir
eless
Me
tr
o
p
o
litan
A
r
ea
Net
w
o
r
k
s
(
W
iM
AX)
s
u
c
h
as th
e
L
T
E
an
d
3
G
[
5
,
1
0
]
.
W
iFi
r
elies
o
n
th
e
I
E
E
E
8
0
2
.
1
1
s
tan
d
ar
d
[
26
]
th
at
is
m
ain
l
y
r
ef
er
r
ed
to
th
e
L
o
ca
l
A
r
ea
Net
w
o
r
k
in
g
(
L
A
N)
tec
h
n
o
lo
g
y
,
a
n
d
w
h
ic
h
i
s
f
o
r
m
ed
to
p
r
o
d
u
ce
an
in
-
b
u
ild
i
n
g
b
r
o
ad
b
an
d
co
v
er
ag
e
.
W
iFi
i
s
c
u
r
r
en
tl
y
co
n
s
id
er
ed
as
t
h
e
s
ta
n
d
ar
d
f
o
r
b
r
o
a
d
b
an
d
co
n
n
ec
tiv
i
t
y
i
n
p
u
b
lic
h
o
ts
p
o
t
lo
ca
tio
n
s
,
o
f
f
ice
s
a
n
d
h
o
m
e
s
.
T
h
e
b
r
o
ad
ca
s
tin
g
r
an
g
e
o
f
t
h
e
in
f
r
a
s
tr
u
ct
u
r
es
a
n
d
n
et
w
o
r
k
s
b
eg
in
s
f
r
o
m
s
m
aller
co
v
er
a
g
e
r
eg
io
n
s
.
R
ad
io
s
ig
n
al
s
th
at
ar
e
tr
an
s
f
er
r
ed
f
r
o
m
W
iFi
a
n
te
n
n
a
s
ar
e
s
elec
ted
v
ia
W
iFi
r
ec
eiv
er
s
,
s
u
c
h
as
d
ev
ices
th
a
t
ar
e
f
o
r
tif
ied
w
it
h
W
iFi
ca
r
d
s
.
O
n
c
e
a
co
m
p
u
ter
g
et
s
an
y
s
ig
n
als
in
t
h
e
r
an
g
e
o
f
a
W
iFi
n
et
w
o
r
k
,
w
h
ic
h
i
s
u
s
u
al
l
y
r
an
g
i
n
g
f
r
o
m
3
0
to
1
0
0
m
in
co
m
p
ar
is
o
n
w
i
th
t
h
e
I
E
E
E
8
0
2
.
1
6
s
tan
d
ar
d
s
an
d
t
h
e
W
iM
A
X,
w
h
ich
o
v
er
la
y
a
r
eg
io
n
r
an
g
in
g
f
r
o
m
5
k
m
to
1
5
k
m
f
o
r
m
o
b
il
e
ce
n
tr
es
as
s
h
o
w
n
in
Fi
g
u
r
e
2
.
W
iFi
w
ir
eles
s
L
A
N
tec
h
n
o
lo
g
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
5
,
Octo
b
e
r
2
0
2
0
:
5
3
4
7
-
5367
5350
is
ex
tr
e
m
el
y
s
i
m
p
le
an
d
co
s
tle
s
s
i
n
b
ein
g
d
is
s
e
m
i
n
ated
co
m
p
ar
ed
to
w
ir
ed
s
y
s
te
m
s
.
A
cc
o
r
d
in
g
l
y
,
W
iFi
allo
w
s
n
et
w
o
r
k
ac
ce
s
s
in
u
r
b
an
an
d
r
u
r
al
r
eg
io
n
s
w
h
er
e
i
t
is
n
o
t
ea
s
y
to
in
s
tall
ca
b
le
s
f
o
r
a
w
ir
ed
n
et
w
o
r
k
.
A
d
d
itio
n
al
l
y
,
m
as
s
i
v
e
t
y
p
es
o
f
ce
ll
u
lar
p
h
o
n
e
s
,
m
ed
ia
p
la
y
er
s
,
P
DA
s
,
lap
to
p
s
,
ca
m
er
as
a
n
d
co
r
d
less
p
h
o
n
e
s
co
n
tain
a
b
u
i
lt
-
in
W
iFi
i
n
ter
f
a
ce
,
w
h
ich
i
n
r
etu
r
n
p
r
o
v
id
es se
a
m
les
s
co
n
n
ec
ti
v
it
y
[
2
7
]
.
Fig
u
r
e
2.
T
h
e
ca
teg
o
r
is
atio
n
o
f
th
e
w
ir
ele
s
s
W
iFi
,
3
G,
W
iM
ax
,
4
G
an
d
5
G
co
n
v
er
g
e
r
e
g
io
n
s
I
n
o
r
d
er
to
g
ai
n
ac
ce
s
s
to
d
if
f
er
en
t
ac
ce
s
s
ib
le
tec
h
n
o
lo
g
ies,
a
m
o
b
ile
d
e
v
ice
s
h
o
u
ld
s
u
p
p
o
r
t
m
u
ltip
le
w
ir
ele
s
s
n
et
w
o
r
k
in
ter
f
ac
es.
T
h
e
s
ce
n
ar
io
th
at
is
d
escr
ib
ed
in
th
i
s
p
ap
e
r
f
o
r
th
e
co
n
v
er
g
e
n
ce
o
f
h
eter
o
g
en
eo
u
s
n
et
w
o
r
k
s
is
s
i
m
ilar
to
t
h
e
ar
c
h
itect
u
r
e
t
h
at
is
p
r
esen
ted
i
n
[
2
8
,
2
9
]
.
T
h
is
ar
ch
i
tectu
r
e
co
n
s
is
t
s
o
f
t
w
o
s
er
v
ice
ar
ea
s
as
s
h
o
w
n
i
n
Fi
g
u
r
e
3
,
w
h
ich
co
m
p
r
i
s
es
t
h
e
W
L
A
N
co
n
n
ec
t
iv
i
t
y
(
i
n
-
b
u
ild
in
g
)
an
d
W
W
A
N
co
n
n
ec
tiv
i
t
y
(m
etr
o
p
o
litan
ar
ea
)
.
Fig
u
r
e
3.
Ov
er
la
y
w
ir
ele
s
s
n
et
w
o
r
k
s
ar
ch
itect
u
r
e
Hav
i
n
g
m
o
r
e
th
a
n
o
n
e
ac
ce
s
s
tech
n
o
lo
g
y
a
v
ailab
le,
t
h
e
s
ele
ctio
n
o
f
t
h
e
n
et
w
o
r
k
to
b
e
co
n
n
ec
ted
to
ca
n
b
e
p
er
f
o
r
m
ed
ac
co
r
d
in
g
to
d
if
f
er
en
t
cr
iter
ia
an
d
th
er
ef
o
r
e
th
e
m
ec
h
a
n
is
m
to
s
w
it
ch
b
et
w
ee
n
ac
ce
s
s
tech
n
o
lo
g
ies
m
u
s
t
b
e
p
r
o
v
id
ed
.
Fig
u
r
e
2
illu
s
tr
ates
d
if
f
er
e
n
t
s
ta
n
d
ar
d
s
o
f
h
eter
o
g
e
n
eo
u
s
w
ir
eles
s
n
et
w
o
r
k
s
w
it
h
t
h
eir
i
n
ter
s
ec
ti
n
g
n
at
u
r
e
b
ased
o
n
th
e
co
v
er
a
g
e.
Fro
m
a
s
h
ar
ed
u
s
er
’
s
p
er
ce
p
tio
n
,
th
e
n
et
w
o
r
k
co
n
n
ec
ti
v
it
y
a
n
d
co
v
er
a
g
e
ar
e
in
cr
ea
s
ed
b
y
t
h
e
n
et
w
o
r
k
co
n
v
er
g
en
ce
.
I
n
o
r
d
er
to
u
n
d
er
s
ta
n
d
th
e
r
eq
u
ir
e
m
e
n
t
s
an
d
co
n
s
id
er
atio
n
s
f
o
r
a
s
ea
m
less
h
an
d
o
v
er
,
th
e
f
o
llo
w
i
n
g
l
in
es
d
escr
ib
e
s
o
m
e
b
asic
co
n
c
ep
ts
.
Han
d
o
v
er
ca
n
b
e
s
ee
n
f
r
o
m
d
i
f
f
er
e
n
t
p
o
in
ts
o
f
v
ie
w
s
.
W
h
e
n
a
m
o
b
ile
s
ta
tio
n
is
tr
an
s
f
er
r
ed
f
r
o
m
a
s
i
n
g
le
w
ir
eles
s
ce
ll
to
an
o
th
er
,
it
is
n
a
m
ed
Han
d
o
v
er
o
r
Han
d
o
f
f
.
I
t
is
ca
teg
o
r
is
ed
as
v
er
tical
(
in
ter
-
s
y
s
t
e
m
)
an
d
h
o
r
izo
n
tal
(
in
tr
a
-
s
y
s
te
m
)
[
3
0
]
.
W
h
en
a
u
s
er
m
o
v
es
f
r
o
m
o
n
e
ce
ll
to
an
o
th
er
u
s
i
n
g
t
h
e
s
a
m
e
ac
ce
s
s
tech
n
o
lo
g
y
is
ca
lled
h
o
r
izo
n
tal
o
r
h
o
m
o
g
en
eo
u
s
h
an
d
o
v
er
.
A
t
y
p
ical
e
x
a
m
p
le
in
cl
u
d
es
a
u
s
er
tr
an
s
f
er
r
i
n
g
b
e
t
w
ee
n
t
w
o
ce
ll
s
w
it
h
i
n
a
ce
ll
u
lar
s
y
s
te
m
[
2
4
]
.
A
h
o
r
izo
n
tal
h
a
n
d
o
f
f
a
m
o
n
g
b
ase
s
tatio
n
s
(
B
Ss
)
o
r
ac
ce
s
s
p
o
in
t
s
(
A
P
s
)
co
n
n
ec
t
s
w
it
h
ea
ch
o
th
er
i
n
o
r
d
er
t
o
s
u
p
p
o
r
t
th
e
h
o
m
o
g
en
ei
t
y
p
er
tai
n
in
g
to
th
e
m
o
b
ile
n
o
d
e
h
an
d
o
f
f
.
Fo
r
in
s
ta
n
ce
,
th
e
m
o
b
ile
n
o
d
e
s
(
MN
)
in
th
e
W
iFi
n
et
w
o
r
k
d
o
m
ai
n
tr
an
s
f
er
s
f
r
o
m
a
s
i
n
g
l
e
A
P
to
an
o
th
er
as
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:
2
0
8
8
-
8708
A
n
o
ve
l a
d
a
p
tive
s
ch
ema
t
o
fa
cilita
tes p
la
yb
a
ck
s
w
itch
in
g
tech
n
iq
u
e
(
S
a
leh
A
li A
lo
ma
r
i
)
5351
s
h
o
w
n
i
n
Fi
g
u
r
e
4
(
a)
an
d
is
s
i
m
ilar
to
th
e
W
iM
A
X
n
et
wo
r
k
d
o
m
ai
n
.
MN
F
tr
an
s
f
er
s
f
r
o
m
a
s
i
n
g
le
B
S
to
an
o
th
er
B
S.
T
h
e
h
a
n
d
o
v
er
p
r
o
ce
s
s
r
elies
o
n
t
h
e
I
E
E
E
w
o
r
k
in
g
g
r
o
u
p
i
n
2
0
1
1
f
in
al
is
ed
th
e
I
E
E
E
8
0
2
.
1
6
e
s
tan
d
ar
d
s
as
s
h
o
w
n
i
n
Fi
g
u
r
e
4
(
b
)
[
3
1
-
33
]
.
On
th
e
o
th
er
h
an
d
,
i
f
t
h
e
h
a
n
d
o
f
f
h
ap
p
en
s
th
r
o
u
g
h
d
i
f
f
er
en
t
n
et
w
o
r
k
s
(
i.e
.
h
eter
o
g
e
n
eo
u
s
n
et
w
o
r
k
s
)
,
th
e
Han
d
o
f
f
w
it
h
in
h
e
ter
o
g
en
eo
u
s
n
et
w
o
r
k
s
r
ef
er
s
to
a
v
er
tical
h
an
d
o
f
f
.
Fo
r
ex
a
m
p
le,
a
m
o
b
i
le
n
o
d
e
tr
an
s
f
er
s
f
r
o
m
a
L
T
E
to
W
iMa
x
n
et
w
o
r
k
t
o
r
f
r
o
m
a
W
i
-
Fi
n
et
w
o
r
k
to
a
W
iMa
x
n
et
w
o
r
k
a
s
s
h
o
w
n
i
n
Fig
u
r
e
5
.
(
a)
(
b
)
Fig
u
r
e
4
.
(
a)
Ho
r
izo
n
tal
h
an
d
o
f
f
b
et
w
ee
n
W
iFi
ac
ce
s
s
p
o
in
ts
(
A
P
’
s
)
,
(
b
)
h
o
r
izo
n
tal
h
an
d
o
f
f
b
et
w
ee
n
W
iMa
x
b
ase
s
ta
tio
n
(
B
S)
Fig
u
r
e
5.
Ver
tical
h
an
d
o
v
er
f
r
o
m
W
i
-
Fi to
W
iMa
x
a
n
d
W
iMa
x
to
W
iFi
2
.
1
.
H
a
nd
o
v
er
s
m
o
o
t
hin
g
a
lg
o
rit
h
m
Han
d
o
v
er
is
d
ef
i
n
ed
as
th
e
p
r
o
ce
d
u
r
e
o
f
ac
co
m
p
lis
h
i
n
g
p
er
s
is
te
n
t
s
er
v
ices
w
h
e
n
t
h
e
u
s
er
tr
an
s
f
er
s
a
m
o
n
g
d
i
f
f
er
e
n
t
n
et
w
o
r
k
s
.
Han
d
o
v
er
i
s
r
eq
u
ir
ed
w
h
en
m
o
b
ile
u
s
er
s
cr
o
s
s
i
n
g
o
c
cu
r
s
a
n
d
/o
r
w
h
e
n
a
d
eg
r
ad
atio
n
o
cc
u
r
s
w
it
h
th
e
s
ig
n
al
q
u
ali
t
y
t
h
r
o
u
g
h
t
h
e
n
e
w
c
h
a
n
n
el.
Ne
v
er
th
ele
s
s
,
w
h
e
n
a
h
a
n
d
o
f
f
o
cc
u
r
s
,
th
er
e
is
s
w
ap
p
in
g
w
it
h
i
n
th
e
n
et
w
o
r
k
s
.
Hen
ce
,
u
s
er
s
ar
e
tr
an
s
f
er
r
ed
to
an
o
th
er
B
S
o
r
an
o
th
er
n
et
w
o
r
k
[
3
4
]
.
T
h
e
b
asics
o
f
th
e
5
G
m
o
b
ile
n
et
w
o
r
k
r
e
f
er
s
to
th
e
h
eter
o
g
e
n
eo
u
s
n
et
w
o
r
k
s
w
h
er
e
i
n
th
ese
n
et
w
o
r
k
s
,
s
ea
m
le
s
s
h
an
d
o
v
er
in
n
o
n
-
n
e
g
o
tiab
le
[
2
7
,
3
5
]
.
T
h
e
h
a
n
d
o
v
er
p
r
o
ce
d
u
r
e
co
m
p
r
is
es
o
f
th
r
ee
p
h
ases
,
w
h
ic
h
ar
e
ex
ec
u
t
io
n
,
d
ec
is
io
n
a
n
d
d
is
co
v
er
y
.
Net
w
o
r
k
d
i
s
co
v
er
y
ex
p
lo
r
es
a
s
u
itab
le
n
et
w
o
r
k
,
w
h
i
ch
m
ee
ts
t
h
e
u
s
er
d
esire
d
Qo
S.
T
h
e
d
ec
is
io
n
p
h
ase
r
ef
er
s
to
w
h
en
th
e
h
a
n
d
o
f
f
p
r
o
ce
s
s
i
s
co
n
s
id
er
ed
(
also
ca
lled
a
h
a
n
d
o
v
er
in
itiat
io
n
p
h
a
s
e)
[
3
6
,
3
7
]
.
T
h
e
I
P
-
la
y
er
m
o
b
ilit
y
m
a
n
a
g
e
m
e
n
t
s
c
h
e
m
e
ai
m
s
at
p
r
o
v
id
in
g
MN
s
w
it
h
u
n
ce
asi
n
g
in
ter
n
e
t
ac
ce
s
s
w
h
e
n
th
e
y
tr
an
s
f
er
f
r
o
m
a
s
i
n
g
le
A
P
d
o
m
a
in
to
an
o
th
er
.
T
h
is
p
r
o
ce
d
u
r
e
o
f
ch
an
g
i
n
g
t
h
e
A
P
is
n
a
m
ed
a
s
t
h
e
h
a
n
d
o
v
er
.
Du
r
i
n
g
th
is
p
r
o
ce
d
u
r
e,
th
e
MN
i
s
in
ca
p
ab
le
o
f
eit
h
er
r
ec
eiv
i
n
g
o
r
s
en
d
i
n
g
p
ac
k
ets
d
u
e
to
th
e
h
an
d
o
v
er
d
ela
y
p
r
o
ce
s
s
.
T
h
e
h
an
d
o
v
er
p
r
o
ce
d
u
r
e
co
n
tain
s
a
s
eq
u
e
n
ce
o
f
d
if
f
er
en
t
tas
k
s
as
s
h
o
wn
in
[
3
8
]
as sh
o
w
n
i
n
Fi
g
u
r
e
6
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
5
,
Octo
b
e
r
2
0
2
0
:
5
3
4
7
-
5367
5352
Fig
u
r
e
6.
T
h
e
g
en
er
al
h
a
n
d
o
v
e
r
s
tep
s
E
v
er
y
tas
k
s
h
o
u
ld
b
e
co
n
d
u
cted
s
in
ce
t
h
e
m
o
b
ile
n
o
d
e
i
s
i
n
ca
p
ab
le
to
g
e
t
t
h
e
I
P
p
ac
k
ets
u
n
ti
l
th
e
e
n
tire
ta
s
k
i
s
co
m
p
leted
.
T
h
e
ti
m
e
p
er
io
d
b
et
w
ee
n
t
h
e
f
i
n
al
o
b
tain
ed
p
ac
k
et
v
ia
t
h
e
m
o
b
ile
n
o
d
e
o
f
th
e
p
ast
co
n
n
ec
t
io
n
a
n
d
th
e
f
ir
s
t
o
b
tain
ed
p
ac
k
et
v
ia
t
h
e
m
o
b
ile
n
o
d
e
in
th
e
c
u
r
r
en
t
c
o
n
n
ec
tio
n
r
ef
er
s
to
th
e
h
an
d
o
f
f
late
n
c
y
.
T
h
is
p
er
io
d
o
f
ti
m
e
i
s
a
f
f
ec
ted
v
ia
m
an
y
co
n
te
n
ts
,
w
h
ic
h
co
m
p
r
is
e:
t
h
e
L
i
n
k
L
a
y
er
E
s
tab
lis
h
m
e
n
t
Dela
y
th
a
t
r
ef
e
r
s
to
th
e
r
eq
u
ir
e
d
p
er
io
d
o
f
ti
m
e
b
y
a
p
h
y
s
ica
l
b
o
r
d
er
f
o
r
cr
ea
tin
g
a
c
u
r
r
en
t
o
r
g
an
is
at
io
n
[3
8
,
3
9
].
T
h
e
m
o
v
e
m
e
n
t
p
atter
n
o
f
m
o
b
ile
u
s
er
s
,
th
eir
lo
ca
tio
n
,
th
eir
v
elo
c
it
y
a
n
d
ac
ce
ler
atio
n
th
at
i
s
c
h
an
g
ed
o
v
er
t
i
m
e
is
ex
p
lai
n
ed
b
y
t
h
e
m
o
b
ilit
y
m
o
d
el
[
40
,
4
1
]
.
T
h
e
p
r
o
to
c
o
l’
s
p
er
f
o
r
m
a
n
ce
i
s
ef
f
icien
tl
y
s
elec
ted
v
ia
m
o
b
i
lit
y
f
o
r
m
s
.
T
h
e
s
h
i
f
ti
n
g
f
o
r
m
o
f
ac
t
u
al
i
m
p
le
m
e
n
tat
io
n
s
is
n
o
t
n
ee
d
ed
f
o
r
e
m
u
latio
n
in
a
s
e
n
s
ib
le
m
a
n
n
er
.
Mo
b
ile
n
o
d
es
ar
e
p
r
ese
n
ted
b
y
m
o
b
ilit
y
p
r
o
to
t
y
p
es
ac
co
r
d
in
g
to
f
r
ee
m
o
v
e
m
e
n
ts
o
f
th
e
s
e
n
o
d
es
(
en
tit
y
m
o
d
el
s
)
.
A
d
d
itio
n
al
l
y
,
th
e
s
e
n
o
d
es
ar
e
b
ased
o
n
a
s
et
o
f
m
et
h
o
d
s
.
F
ew
e
n
t
i
t
y
m
e
t
h
o
d
s
a
r
e
a
v
a
i
l
a
b
l
e
a
n
d
a
r
e
c
o
n
t
i
n
u
o
u
s
l
y
u
t
i
l
i
s
e
d
,
i
n
c
l
u
d
i
n
g
t
h
e
R
a
n
d
o
m
w
a
l
k
m
o
b
i
l
i
t
y
m
e
t
h
o
d
[
4
2
],
th
e
R
a
n
d
o
m
w
a
y
p
o
in
t
m
o
b
ilit
y
m
e
th
o
d
[
4
3
]
,
th
e
Gau
s
s
-
Ma
r
k
o
v
m
o
b
il
it
y
m
et
h
o
d
[
4
3
]
an
d
th
e
m
ass
m
o
b
ilit
y
m
et
h
o
d
[
4
4
]
,
th
e
cit
y
s
ec
tio
n
m
o
b
il
it
y
m
et
h
o
d
[
4
5
]
.
A
s
et
o
f
m
e
th
o
d
s
co
n
tai
n
s
t
h
e
co
lu
m
n
,
itin
er
a
n
t
s
o
ciet
y
an
d
p
u
r
s
u
e
s
g
r
o
u
p
m
o
b
il
it
y
m
eth
o
d
.
3.
I
SS
U
E
S AN
D
ASS
UM
P
T
I
O
NS
I
n
th
is
s
ec
tio
n
,
th
e
is
s
u
es
an
d
th
e
ass
u
m
p
tio
n
f
o
r
th
e
p
r
o
p
o
s
ed
s
m
o
o
th
in
g
p
la
y
b
ac
k
m
ec
h
an
i
s
m
ar
e
d
is
cu
s
s
ed
.
3
.
1
.
I
s
s
ues
T
h
e
p
r
ev
io
u
s
p
r
o
p
o
s
ed
ar
ch
itectu
r
e
(
i.e
.
th
e
V
o
D
s
y
s
t
e
m
ar
c
h
itect
u
r
e)
in
[
2
,
2
0
-
2
2
]
,
w
h
ic
h
p
r
o
v
id
es
t
w
o
s
er
v
er
s
,
n
a
m
el
y
,
th
e
GM
F
an
d
L
MF
is
p
r
esen
ted
in
F
ig
u
r
e
7
.
T
h
e
L
MF
s
er
v
er
is
d
ef
i
n
ed
as
a
s
er
v
er
,
w
h
ic
h
is
f
o
r
ti
f
ied
t
h
r
o
u
g
h
W
i
Fi,
w
h
ile
t
h
e
GM
F
s
er
v
er
is
d
ef
i
n
ed
as
a
s
er
v
er
,
w
h
ich
is
f
o
r
tif
ied
w
it
h
w
ir
ele
s
s
n
et
w
o
r
k
tech
n
o
lo
g
y
(
e.
g
.
W
iMA
X)
.
T
h
e
ter
m
s
W
iM
A
X
an
d
W
iF
i
i
n
d
icate
to
th
e
h
e
ter
o
g
e
n
eo
u
s
n
et
w
o
r
k
d
o
m
ai
n
.
I
n
f
ac
t,
t
h
e
y
h
a
v
e
t
h
eir
p
ar
ticu
lar
co
v
er
ag
e
ar
ea
.
T
h
e
e
n
co
u
n
ter
ed
p
r
o
b
lem
s
w
it
h
i
n
th
is
d
o
m
ai
n
co
m
p
r
is
e:
Ho
w
t
h
e
p
la
y
b
ac
k
is
s
m
o
o
th
e
d
o
n
ce
u
s
er
s
tr
an
s
f
er
f
r
o
m
a
s
in
g
le
r
eg
io
n
to
an
o
th
er
.
T
h
e
m
o
v
e
m
e
n
t
f
r
o
m
a
n
e
w
r
eg
io
n
to
an
o
th
er
r
e
q
u
ir
es
an
id
le
p
er
io
d
o
f
ti
m
e
p
er
tain
i
n
g
to
th
e
p
la
y
b
a
ck
.
A
cc
o
r
d
in
g
l
y
,
th
e
p
r
o
d
u
ce
d
lin
k
i
n
g
o
f
t
h
e
n
e
w
L
MF
i
s
to
tall
y
n
o
t
li
n
k
ed
.
Hen
ce
,
th
e
v
id
eo
t
h
at
is
tr
an
s
m
itted
i
s
ter
m
i
n
ated
.
An
i
n
ter
r
u
p
tio
n
o
c
cu
r
s
to
th
e
p
la
y
b
ac
k
.
T
h
e
w
a
y
o
f
cr
ea
ti
n
g
a
to
o
l
f
o
r
th
e
P
SC
B
[
2
0
,
2
1
]
to
s
m
o
o
th
e
n
th
e
p
la
y
b
ac
k
w
h
e
n
u
s
er
s
ar
e
m
o
v
i
n
g
w
i
th
i
n
th
eir
ar
ea
s
.
Fig
u
r
e
7.
T
h
e
o
v
er
all
p
r
o
d
u
ce
d
m
et
h
o
d
o
f
th
e
G
MF
an
d
L
M
F
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:
2
0
8
8
-
8708
A
n
o
ve
l a
d
a
p
tive
s
ch
ema
t
o
fa
cilita
tes p
la
yb
a
ck
s
w
itch
in
g
tech
n
iq
u
e
(
S
a
leh
A
li A
lo
ma
r
i
)
5353
3
.
2
.
Ass
u
m
ptio
n
s
T
o
s
tr
ea
m
li
n
e
th
e
p
r
o
b
le
m
,
s
o
m
e
as
s
u
m
p
tio
n
s
f
o
r
th
e
w
o
r
k
ar
e
en
u
m
e
r
ated
as f
o
llo
w
s
:
T
h
e
en
tire
GM
Fs
a
n
d
L
MF
s
s
t
o
r
e
s
i
m
ilar
v
id
eo
s
.
T
h
e
en
tire
GM
Fs
a
n
d
L
MF
s
a
r
e
in
s
talle
d
i
n
clu
d
i
n
g
a
P
C
SB
en
g
i
n
e
[
2
0
,
2
1
]
.
T
h
e
L
MF
is
u
s
ed
to
f
o
r
m
a
m
ai
n
lin
k
i
n
g
r
eso
u
r
ce
w
h
il
s
t
d
eliv
er
in
g
th
e
s
er
v
ices
o
f
th
e
Vo
D
th
r
o
u
g
h
to
in
ter
io
r
d
o
m
ai
n
s
.
T
h
e
GM
F
is
u
s
ed
as
a
s
u
b
o
r
d
in
ate
li
n
k
r
eso
u
r
ce
w
h
ils
t
d
eli
v
er
in
g
t
h
e
s
er
v
ices
o
f
th
e
Vo
D
th
r
o
u
g
h
o
u
ts
id
e
d
o
m
ai
n
s
.
Su
b
s
eq
u
en
t
l
y
,
W
i
MA
X
is
p
r
ef
er
r
ed
to
b
e
u
ti
lis
ed
in
s
u
c
h
d
o
m
ai
n
s
f
o
r
m
i
n
g
a
m
ai
n
li
n
k
.
No
n
eth
ele
s
s
,
W
iFi
i
s
u
t
ilis
ed
a
s
a
s
u
b
o
r
d
in
ate
li
n
k
o
n
ce
it e
x
i
s
ts
.
T
h
e
MFs ar
e
in
c
h
ar
g
e
o
f
c
h
ec
k
in
g
t
h
e
v
al
u
es o
f
th
e
R
SS
I
v
a
lu
es
f
o
r
ex
i
s
ti
n
g
s
u
b
s
tr
u
c
tu
r
es
o
f
th
e
MN
an
d
g
iv
in
g
a
th
r
e
s
h
o
ld
r
ate
alo
n
g
t
o
th
e
C
VSP
.
T
h
e
C
VSP
co
llects
d
ata
ab
o
u
t
an
e
x
is
tin
g
l
in
k
v
ia
t
h
e
m
o
b
ile
d
ev
ice
i
n
o
r
d
er
to
d
eliv
e
r
s
er
v
ices
w
it
h
i
n
h
e
ter
o
g
en
eo
u
s
n
et
w
o
r
k
in
g
s
y
s
te
m
s
.
T
h
e
C
VSP
p
r
o
d
u
ce
s
f
ac
ilit
ie
s
f
o
r
m
o
b
ile
d
e
v
ices b
ased
o
n
u
p
h
o
ld
in
g
a
d
o
u
b
le
li
n
k
d
er
iv
e
d
f
r
o
m
t
h
e
G
MF
an
d
L
M
F.
4.
A
NE
W
SM
O
O
T
H
I
NG
P
L
A
YB
ACK
P
RO
CE
DUR
E
F
O
R
H
E
T
E
RO
G
E
N
E
O
US N
E
T
WO
RK
S
W
h
en
m
o
v
e
m
e
n
t
s
o
cc
u
r
in
h
e
ter
o
g
en
eo
u
s
n
et
w
o
r
k
s
,
t
h
e
cr
it
ical
r
eg
io
n
i
s
p
u
t
at
th
e
m
o
v
e
m
en
t
p
o
in
t
as
s
h
o
w
n
i
n
Fig
u
r
e
8
.
W
h
en
a
cu
r
r
en
t
n
et
w
o
r
k
tak
e
s
p
lace
d
u
r
in
g
th
e
m
o
v
e
m
en
t
p
o
in
t,
t
h
e
p
la
y
b
ac
k
s
h
o
u
ld
b
e
u
n
i
n
ter
r
u
p
ted
.
T
o
tack
le
th
e
p
r
o
b
lem
,
a
s
ea
m
less
Vo
D
p
lay
b
ac
k
tec
h
n
iq
u
e
is
p
r
o
d
u
ce
d
.
T
h
e
t
ec
h
n
iq
u
e
in
v
o
l
v
es a
co
u
p
le
o
f
p
r
o
ce
s
s
e
s
co
m
p
r
is
i
n
g
:
T
h
e
r
ec
o
g
n
is
ed
n
et
w
o
r
k
li
n
k
i
n
g
p
r
o
ce
s
s
.
T
h
e
s
ea
m
les
s
p
la
y
b
ac
k
p
r
o
ce
s
s
.
As
illu
s
tr
ated
f
r
o
m
Fi
g
u
r
e
8
,
th
e
p
ap
er
p
r
o
d
u
ce
s
a
d
is
s
e
m
i
n
atio
n
r
elate
d
to
th
e
L
MF
{L
M
F1
,
L
MF2
,
L
MF3
.
.
.
L
M
Fk
}.
T
h
e
L
MF
is
d
ef
in
ed
as
a
s
tat
io
n
ar
y
a
n
d
d
ed
icate
d
d
ev
ice
th
at
is
u
tili
s
e
d
to
p
r
o
v
id
e
a
r
elay
f
o
r
th
e
s
er
v
ice
to
a
tr
a
n
s
m
i
s
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io
n
co
v
er
a
g
e
ar
ea
o
f
th
e
L
M
F.
T
h
e
r
eg
io
n
is
ca
l
led
as
t
h
e
lo
ca
l
s
er
v
ice
ar
ea
.
T
h
is
d
is
s
e
m
i
n
atio
n
is
p
r
o
d
u
ce
d
f
o
r
th
e
p
u
r
p
o
s
e
o
f
cr
e
atin
g
in
ter
io
r
d
o
m
a
in
s
p
er
tain
i
n
g
to
th
e
L
MF
(
e.
g
.
ca
m
p
u
s
es,
m
u
s
eu
m
s
,
air
p
o
r
ts
,
etc.
)
an
d
r
ep
r
esen
ti
n
g
it
as
a
P
r
i
m
ar
y
C
o
n
n
ec
tio
n
(
P
r
C
)
o
f
m
o
b
ile
cl
ien
t
s
.
T
h
e
GM
F
{GM
F1
,
GM
F2
,
G
MF3
,
.
.
,
GM
Fn
}
g
r
an
t
s
w
id
e
r
eg
io
n
s
er
v
ices
w
it
h
i
n
d
if
f
er
en
t
d
is
tr
ib
u
ted
n
et
w
o
r
k
in
f
r
astru
ct
u
r
es
(
e.
g
.
W
iM
A
X)
.
T
h
e
s
er
v
ices
o
f
a
W
iM
A
X
n
e
t
w
o
r
k
ar
e
p
r
ac
ticall
y
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tili
s
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i
n
o
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t
s
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e
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r
p
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b
lic
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ca
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n
s
s
i
n
ce
t
h
e
y
ar
e
ch
e
ck
ed
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d
r
ec
o
m
m
en
d
ed
v
ia
s
er
v
ice
p
r
o
v
id
er
s
ac
co
r
d
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g
to
a
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o
b
u
s
t
lin
k
d
ef
icien
c
y
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i
th
i
n
i
n
ter
io
r
d
o
m
ai
n
s
.
A
d
d
itio
n
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ll
y
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t
h
e
p
ap
e
r
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n
s
id
er
s
t
h
e
GM
F
f
o
r
m
s
s
u
b
o
r
d
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ate
r
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u
r
ce
f
o
r
d
eliv
er
i
n
g
t
h
e
s
er
v
ice
s
o
f
t
h
e
Vo
D
th
r
o
u
g
h
to
m
o
b
ile
d
e
v
ices.
E
v
er
y
v
id
eo
m
a
in
tai
n
s
t
h
e
C
VSP
,
w
h
ic
h
i
s
tr
an
s
m
itte
d
th
r
o
u
g
h
to
t
h
e
M
F
b
ased
o
n
th
e
u
s
e
o
f
t
h
e
P
o
p
u
lar
it
y
C
u
s
h
io
n
Sta
g
g
er
ed
B
r
o
ad
ca
s
tin
g
(
P
C
SB
)
p
r
o
to
co
l
[
20
]
.
T
h
e
MF
is
u
tili
s
ed
s
o
th
a
t
th
e
C
VSP
co
u
ld
p
r
o
v
id
e
v
id
eo
s
an
d
tr
an
s
m
i
t
th
e
m
w
it
h
i
n
th
e
W
ir
eless
Net
w
o
r
k
I
n
ter
f
a
ce
C
ar
d
(
W
NI
C
)
it
o
w
n
s
th
r
o
u
g
h
m
u
ltip
le
m
o
b
ile
d
ev
ice
s
ac
co
r
d
in
g
to
its
tr
an
s
m
is
s
io
n
d
o
m
ai
n
.
Mo
b
ile
d
ev
ices
m
u
s
t
e
x
is
t
i
n
th
e
co
v
er
ag
e
r
eg
io
n
’
s
r
an
g
e
o
f
th
e
lo
ca
l
f
o
r
w
ar
d
er
f
o
r
th
e
p
u
r
p
o
s
e
o
f
o
b
tain
it.
T
h
e
C
VSP
is
d
ef
in
ed
as
a
g
r
o
u
p
o
f
L
MF
s
,
w
h
ic
h
ar
e
lin
k
ed
to
g
eth
er
w
it
h
i
n
th
e
s
u
b
s
tr
u
c
tu
r
e
w
ir
eles
s
b
ase
d
n
et
w
o
r
k
.
Fig
u
r
e
8.
A
p
ar
ad
ig
m
o
f
th
e
tr
an
s
it
io
n
p
o
in
t b
y
li
n
k
i
n
g
t
h
e
G
MF
an
d
L
M
F
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
5
,
Octo
b
e
r
2
0
2
0
:
5
3
4
7
-
5367
5354
As
ill
u
s
tr
ated
f
r
o
m
Fi
g
u
r
e
8
,
th
e
p
ap
er
p
r
o
d
u
ce
s
a
d
is
s
e
m
i
n
atio
n
r
elate
d
to
t
h
e
L
MF
{
L
M
F1
,
L
MF2
,
L
MF3
.
.
.
L
M
Fk
}.
T
h
e
L
MF
is
d
ef
in
ed
as
a
s
tat
io
n
ar
y
a
n
d
d
ed
icate
d
d
ev
ice
th
at
is
u
tili
s
e
d
to
p
r
o
v
id
e
a
r
elay
f
o
r
th
e
s
er
v
ice
to
a
tr
a
n
s
m
i
s
s
io
n
co
v
er
a
g
e
ar
ea
o
f
th
e
L
M
F.
T
h
e
r
eg
io
n
is
ca
l
led
as
t
h
e
lo
ca
l
s
er
v
ice
ar
ea
.
T
h
is
d
is
s
e
m
i
n
atio
n
is
p
r
o
d
u
ce
d
f
o
r
th
e
p
u
r
p
o
s
e
o
f
cr
e
atin
g
in
ter
io
r
d
o
m
a
in
s
p
er
tain
i
n
g
to
th
e
L
MF
(
e.
g
.
ca
m
p
u
s
es,
m
u
s
eu
m
s
,
air
p
o
r
ts
,
etc.
)
an
d
r
ep
r
esen
ti
n
g
it
as
a
P
r
i
m
ar
y
C
o
n
n
ec
tio
n
(
P
r
C
)
o
f
m
o
b
ile
cl
ien
t
s
.
T
h
e
GM
F
{GM
F1
,
GM
F2
,
G
MF3
,
.
.
,
GM
Fn
}
g
r
an
t
s
w
id
e
r
eg
io
n
s
er
v
ices
w
it
h
i
n
d
if
f
er
en
t
d
is
tr
ib
u
ted
n
et
w
o
r
k
in
f
r
astru
ct
u
r
es
(
e.
g
.
W
iM
A
X)
.
T
h
e
s
er
v
ices
o
f
a
W
iM
A
X
n
e
t
w
o
r
k
ar
e
p
r
ac
ticall
y
u
tili
s
ed
i
n
o
u
t
s
id
e
o
r
p
u
b
lic
lo
ca
tio
n
s
s
i
n
ce
t
h
e
y
ar
e
ch
e
ck
ed
an
d
r
ec
o
m
m
en
d
ed
v
ia
s
er
v
ice
p
r
o
v
id
er
s
ac
co
r
d
in
g
to
a
r
o
b
u
s
t
lin
k
d
ef
icien
c
y
w
i
th
i
n
i
n
ter
io
r
d
o
m
ai
n
s
.
A
d
d
itio
n
a
ll
y
,
t
h
e
p
ap
e
r
co
n
s
id
er
s
t
h
e
GM
F
f
o
r
m
s
s
u
b
o
r
d
in
ate
r
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u
r
ce
f
o
r
d
eliv
er
i
n
g
t
h
e
s
er
v
ice
s
o
f
t
h
e
Vo
D
th
r
o
u
g
h
to
m
o
b
ile
d
e
v
ices.
E
v
er
y
v
id
eo
m
a
in
tai
n
s
t
h
e
C
VSP
,
w
h
ic
h
i
s
tr
an
s
m
itted
th
r
o
u
g
h
to
t
h
e
M
F
b
ased
o
n
th
e
u
s
e
o
f
t
h
e
P
o
p
u
lar
it
y
C
u
s
h
io
n
Sta
g
g
er
ed
B
r
o
ad
ca
s
tin
g
(
P
C
SB
)
p
r
o
to
co
l
[
20
]
.
T
h
e
MF
is
u
tili
s
ed
s
o
th
a
t
th
e
C
VSP
co
u
ld
p
r
o
v
id
e
v
id
eo
s
an
d
tr
an
s
m
i
t
th
e
m
w
it
h
i
n
th
e
W
ir
eless
Net
w
o
r
k
I
n
ter
f
a
ce
C
ar
d
(
W
NI
C
)
it
o
w
n
s
th
r
o
u
g
h
m
u
ltip
le
m
o
b
ile
d
ev
ice
s
ac
co
r
d
in
g
t
o
its
tr
an
s
m
is
s
io
n
d
o
m
ai
n
.
Mo
b
ile
d
ev
ices
m
u
s
t
e
x
is
t
i
n
th
e
co
v
er
ag
e
r
eg
io
n
’
s
r
an
g
e
o
f
th
e
lo
ca
l
f
o
r
w
ar
d
er
f
o
r
th
e
p
u
r
p
o
s
e
o
f
o
b
tain
it.
T
h
e
C
VSP
is
d
ef
in
ed
as
a
g
r
o
u
p
o
f
L
MF
s
,
w
h
ic
h
ar
e
lin
k
ed
to
g
eth
er
w
it
h
i
n
th
e
s
u
b
s
tr
u
c
tu
r
e
w
ir
eles
s
b
ase
d
n
et
w
o
r
k
.
Th
e
L
MF
is
s
ta
ted
at
t
h
e
m
e
d
ia
f
o
r
w
ar
d
s
er
v
er
a
s
K
,
w
h
er
e
{K
1
,
K
2,
K
3
…,
K
n
}
.
T
h
e
L
M
F
ap
p
lies
th
e
b
r
o
ad
ca
s
tin
g
ch
a
n
n
els
s
o
th
at
v
id
eo
s
eg
m
e
n
ts
co
u
ld
b
e
d
o
w
n
lo
ad
ed
f
r
o
m
t
h
e
m
e
d
ia
f
o
r
w
ar
d
s
er
v
er
.
A
d
d
itio
n
al
l
y
,
t
h
e
L
MF
g
en
er
a
tes
2
K
s
u
b
-
c
h
an
n
el
s
f
o
r
ev
er
y
r
eg
u
lar
ch
a
n
n
el
th
a
t
is
ap
p
lie
d
w
it
h
i
n
a
p
h
y
s
ical
in
ter
f
ac
e.
T
h
e
cr
ea
ted
s
u
b
-
c
h
a
n
n
el
s
ar
e
ap
p
lied
in
o
r
d
er
t
o
b
r
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ad
ca
s
t
s
u
b
-
s
e
g
m
e
n
ts
t
h
at
ar
e
r
elate
d
to
th
e
f
ir
s
t
r
ec
eiv
ed
s
eg
m
e
n
t
f
r
o
m
t
h
e
m
ed
ia
s
er
v
er
.
T
h
u
s
,
th
e
f
ir
s
t
s
eg
m
e
n
t
is
s
eg
m
e
n
ted
in
to
2
K
s
u
b
-
s
e
g
m
e
n
ts
a
n
d
b
r
o
ad
ca
s
ted
alo
n
g
th
r
o
u
g
h
m
u
ltip
le
s
u
b
-
c
h
a
n
n
el
s
i
n
a
s
i
m
i
lar
w
a
y
to
th
e
P
C
SB
w
h
e
n
t
h
e
v
ir
tu
al
i
n
ter
f
ac
e
is
b
ein
g
g
e
n
er
ated
.
I
f
a
clie
n
t
j
o
in
s
t
h
e
n
et
w
o
r
k
,
its
v
ir
tu
al
in
ter
f
ac
e
is
ac
co
r
d
in
g
l
y
u
s
ed
f
o
r
d
o
w
n
lo
ad
in
g
th
e
f
ir
s
t
s
u
b
-
s
eg
m
e
n
t.
Fo
llo
w
i
n
g
a
s
ea
m
less
a
n
d
an
e
f
f
ec
tiv
e
d
o
w
n
lo
ad
,
it
w
ill
i
m
m
ed
iate
l
y
b
e
co
n
v
er
ted
to
th
e
p
h
y
s
ical
i
n
ter
f
ac
e
s
o
t
h
at
o
th
er
av
ailab
le
s
eg
m
e
n
t
s
co
u
l
d
b
e
d
o
w
n
lo
ad
ed
[
1
8
]
.
A
s
s
u
m
e
th
at
th
e
le
n
g
t
h
o
f
a
v
id
eo
is
L
an
d
t
h
e
n
u
m
b
e
r
o
f
r
eg
u
lar
c
h
an
n
el
s
i
s
K
.
T
h
e
s
er
v
ice
d
ela
y
i
s
h
ig
h
li
g
h
ted
ac
co
r
d
in
g
to
th
e
f
o
llo
w
i
n
g
s
:
=
1
∗
/
2
(
1
)
Sin
ce
1
∗
=L/K
,
s
er
v
ice
s
tar
t
-
u
p
d
ela
y
ca
n
b
e
r
ep
r
esen
ted
as
f
o
ll
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=
ℎ
(
)
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(
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T
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ize
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:
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r
t
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ile
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Su
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ize
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4
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1
.
T
he
pro
ce
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s
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t
he
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k
cr
ea
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d
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d
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W
h
en
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D
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er
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ices
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itia
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m
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ile
n
o
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e
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ep
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ts
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et
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T
h
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in
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s
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h
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Fi
g
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r
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.
T
h
e
cl
ien
t
ap
p
licatio
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m
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s
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er
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f
o
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co
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m
u
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o
n
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u
tiv
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y
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it
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k
s
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is
ti
n
g
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et
w
o
r
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s
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
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ased
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ter
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u
r
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u
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ates
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ased
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Fig
u
r
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h
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s
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ile
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
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0
8
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I
n
t J
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lec
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p
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g
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5356
T
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h
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Fs
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g
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l.
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e
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1
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s
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it
s
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e
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e
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s
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e
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est s
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e
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e
P
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e
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m
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icate
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d
b
an
d
w
id
th
in
ter
m
s
o
f
h
o
w
ad
eq
u
ate
th
e
y
ar
e.
I
f
it
ap
p
ea
r
s
t
h
at
b
o
th
ar
e
ad
eq
u
ate,
t
h
e
p
r
i
m
ar
y
li
n
k
is
f
o
r
m
e
d
f
r
o
m
th
e
f
ac
ilit
ie
s
o
f
t
h
e
VO
D
s
y
s
te
m
,
co
n
n
ec
t
an
d
b
eg
in
o
b
tain
i
n
g
t
h
ese
s
e
r
v
ices
an
d
b
eg
i
n
o
p
er
atin
g
t
h
e
v
id
eo
.
On
ce
b
o
th
ar
e
in
ad
eq
u
ate,
th
e
m
o
b
ile
d
ev
ice
m
o
v
es
t
h
r
o
u
g
h
th
e
s
u
b
o
r
d
in
ate
li
n
k
a
n
d
p
r
o
d
u
ce
co
m
p
ar
is
o
n
s
f
o
r
it
o
n
e
m
o
r
e
ti
m
e
b
ased
o
n
th
e
p
r
i
m
ar
y
li
n
k
.
On
ce
it
s
ee
m
s
m
o
r
e
ef
f
ec
ti
v
e,
it
w
ill
i
m
m
e
d
iatel
y
b
e
co
n
n
ec
ted
th
r
o
u
g
h
t
h
e
s
u
b
o
r
d
in
ate
lin
k
w
h
er
e
it
b
eg
i
n
s
o
b
tai
n
i
n
g
th
e
s
e
f
ac
ilit
ie
s
a
n
d
b
eg
i
n
s
o
p
er
a
tin
g
t
h
e
v
id
eo
.
A
f
ter
th
at,
it
n
o
tifie
s
t
h
e
C
V
SP
ac
co
r
d
in
g
to
th
e
DSD
N
w
h
er
e
it b
eg
in
s
o
b
tain
i
n
g
a
n
d
o
p
er
at
in
g
t
h
e
f
ac
ilit
ie
s
o
f
t
h
e
Vo
D.
Fig
u
r
e
1
1
.
T
h
e
co
n
n
ec
ti
v
it
y
d
eter
m
i
n
atio
n
Mo
r
e
in
f
o
r
m
atio
n
ab
o
u
t
lin
k
in
g
a
m
o
n
g
h
eter
o
g
en
eo
u
s
n
et
w
o
r
k
s
i
s
h
ig
h
li
g
h
ted
as
s
h
o
w
n
i
n
Fig
u
r
es
1
2
an
d
1
3
.
T
h
e
f
ig
u
r
es
d
is
cu
s
s
t
h
e
p
r
o
ce
d
u
r
e
o
f
m
o
v
ab
le
n
e
t
w
o
r
k
s
w
h
e
n
en
te
r
in
g
t
h
e
f
ac
ilit
ie
s
o
f
th
e
Vo
D
s
y
s
te
m
.
T
h
is
w
o
r
k
is
in
tr
o
d
u
ce
d
in
o
r
d
er
to
u
tili
s
e
t
h
e
L
M
F
as
a
p
r
i
m
ar
y
lin
k
r
eso
u
r
ce
f
o
r
d
eliv
er
in
g
Vo
D
f
ac
ili
ties
t
h
r
o
u
g
h
m
o
b
il
e
d
ev
ices
w
i
th
i
n
t
h
e
(
W
L
AN
)
,
w
h
ich
co
n
tai
n
s
a
s
m
aller
r
an
g
e
o
f
co
v
er
a
g
e.
W
h
en
m
o
b
ile
clie
n
t
s
tr
an
s
f
e
r
o
u
ts
id
e
th
e
W
L
AN
r
eg
io
n
,
th
e
y
m
u
s
t
d
ir
ec
tl
y
d
i
s
co
v
e
r
th
e
ab
s
en
ce
o
f
th
e
p
r
i
m
a
r
y
l
in
k
t
h
at
m
o
v
es
t
h
e
lin
k
i
n
g
alo
n
g
th
r
o
u
g
h
th
e
s
u
b
o
r
d
in
ate
li
n
k
r
eso
u
r
ce
.
T
h
is
p
r
o
ce
s
s
m
a
k
es
it
b
r
in
g
e
f
f
icien
t
Vo
D
f
ac
i
liti
es
to
m
o
b
ile
d
ev
ices
w
i
th
i
n
t
h
e
GM
F
b
ased
o
n
th
e
u
ti
lis
i
n
g
a
lar
g
e
r
a
n
g
e
o
f
in
ter
n
e
t
i
n
f
r
astru
ct
u
r
es
(
e.
g
.
W
iMA
X)
.
Hen
ce
,
th
e
b
asi
c
n
o
tio
n
is
to
co
n
v
er
t
to
t
h
e
s
ec
o
n
d
ar
y
co
n
n
ec
ti
v
it
y
p
r
io
r
to
th
e
b
r
ea
k
d
o
w
n
o
f
t
h
e
W
L
A
N
w
h
e
n
r
e
m
a
in
i
n
g
i
n
t
h
e
W
L
AN
r
eg
io
n
as
lo
n
g
as
m
u
c
h
a
s
it
co
u
ld
b
e
d
u
e
to
its
m
o
s
t
ef
f
ec
ti
v
e
Qu
alit
y
o
f
Ser
v
ice
an
d
lo
w
er
p
r
ice.
A
cc
o
r
d
in
g
l
y
,
th
e
R
ec
ei
v
ed
Sig
n
al
Stre
n
g
t
h
I
n
d
icatio
n
(
R
S
SI)
is
ap
p
lied
i
n
[
4
6
]
an
d
[
3
3
,
4
7
]
.
T
h
e
R
S
SI
is
d
ef
in
ed
as
a
n
ac
r
o
n
y
m
in
w
h
ich
t
h
e
s
i
g
n
a
l
s
tr
en
g
th
i
n
d
icatio
n
is
r
ec
eiv
ed
to
it.
I
t is u
s
ed
to
m
ea
s
u
r
e
th
e
s
ig
n
al
p
o
w
er
o
f
t
h
e
r
ad
io
lin
k
.
T
h
e
m
o
b
ilit
y
co
m
p
o
n
en
t
in
ce
s
s
a
n
tl
y
ch
ec
k
s
t
h
e
v
al
u
es
o
f
th
e
R
S
SI
r
elate
d
to
th
e
ex
is
t
in
g
in
f
r
astru
ct
u
r
es
b
y
c
h
ec
k
in
g
w
h
et
h
er
th
ese
v
al
u
es
r
ea
ch
t
h
e
v
al
u
e
o
f
t
h
e
in
it
ial
th
r
es
h
o
ld
.
On
ce
it
f
i
n
d
s
th
e
v
a
lu
e
o
f
th
e
f
ir
s
t
t
h
r
es
h
o
l
d
,
th
e
C
VSP
is
ac
k
n
o
w
led
g
e
d
r
eg
ar
d
in
g
t
h
e
m
o
b
ile
d
ev
ic
es
th
at
ar
e
o
u
t
s
id
e
th
e
co
v
er
ag
e
r
a
n
g
e.
Af
ter
t
h
a
t,
it
s
tar
ts
f
lo
w
i
n
g
o
v
er
th
e
s
u
b
o
r
d
in
ate
li
n
k
.
T
h
e
C
V
SP
l
ets
t
h
e
lo
ca
tio
n
o
f
th
e
f
lo
w
in
g
m
ed
ia
b
e
r
elate
d
to
th
e
s
u
b
o
r
d
in
ate
li
n
k
at
th
e
s
a
m
e
lo
ca
tio
n
p
er
tain
in
g
to
th
e
n
e
w
s
tr
ea
m
ed
v
id
eo
alo
n
g
to
th
e
p
r
i
m
ar
y
li
n
k
.
On
ce
th
e
m
o
b
ile
d
ev
ice
s
ar
e
clo
s
e
to
th
e
ed
g
e
o
f
th
e
lin
k
,
a
n
e
w
v
alu
e
o
f
th
e
t
h
r
es
h
o
ld
v
al
u
e
is
tr
ig
g
er
ed
b
y
t
h
e
s
e
d
ev
ice
s
in
o
r
d
er
to
m
o
v
e
a
n
d
ac
ti
v
ate
t
h
e
s
ec
o
n
d
ar
y
co
n
n
ec
ti
v
it
y
.
T
h
is
p
r
o
ce
s
s
is
co
n
d
u
cted
b
y
a
n
ap
p
r
o
p
r
iate
s
u
b
s
eq
u
en
t li
n
k
i
n
g
f
o
r
Vo
D
f
ac
ilit
ies.
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