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ca
ted
.
T
h
ese
ar
e
u
s
u
all
y
w
it
h
i
n
t
h
e
v
ar
iet
y
o
f
an
elec
tr
o
n
ic
d
ev
ice
f
o
r
a
p
o
r
tab
le
co
m
p
u
ter
,
etc.
b.
(
B
S):
w
h
ic
h
f
o
r
m
s
th
e
p
r
i
m
ar
y
p
ar
t
o
f
a
W
iM
A
X
n
et
w
o
r
k
.
I
t'
s
ac
co
u
n
tab
le
to
p
r
o
v
id
e
t
h
e
air
in
ter
f
ac
e
f
o
r
th
e
u
s
er
an
d
m
o
b
ile
s
tatio
n
s
.
I
n
ad
d
itio
n
to
o
th
er
f
u
n
c
tio
n
s
r
elate
d
to
th
e
f
u
n
c
tio
n
s
o
f
m
icr
o
-
m
o
b
ilit
y
m
an
a
g
e
m
e
n
t,
s
u
ch
a
s
a
h
an
d
-
o
f
f
tr
ig
g
er
i
n
g
,
t
u
n
n
el
f
o
u
n
d
atio
n
,
r
ad
io
r
eso
u
r
ce
m
an
a
g
e
m
e
n
t,
"
DHCP
(
D
y
n
a
m
ic
Ho
s
t
C
o
n
tr
o
l
P
r
o
to
co
l)
p
r
o
x
y
"
,
.
(
Qo
S)
Po
licy
Stre
n
g
t
h
en
i
n
g
,
T
r
af
f
ic
r
a
tin
g
,
Ses
s
io
n
m
an
a
g
e
m
e
n
t,
k
e
y
an
d
M
u
ltica
s
t c
lu
s
ter
.
c.
(
A
SN
-
GW
)
:
T
h
e
A
SN
g
ate
w
a
y
i
n
a
W
iM
A
X
s
tr
u
ct
u
r
e
is
o
r
d
in
ar
il
y
a
d
ata
s
et
n
o
d
e
f
o
r
lay
er
2
w
ith
in
t
h
e
to
tal
A
SN,
a
n
d
co
u
ld
b
e
o
f
f
e
r
a
f
u
n
c
tio
n
s
w
h
ich
i
n
v
o
l
v
e,
in
n
er
-
A
SN
Sit
e
Ma
n
a
g
e
m
e
n
t
tr
a
n
s
f
er
s
a
n
d
m
an
a
g
e
m
e
n
t
o
f
r
ad
io
r
eso
u
r
ce
s
f
o
r
t
h
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te
m
p
o
r
ar
y
s
to
r
ag
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a
u
s
er
'
s
p
r
o
f
ile
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a
n
d
co
d
in
g
k
e
y
.
An
d
als
o
m
a
y
ad
d
itio
n
all
y
e
m
b
o
d
y
t
h
e
AAA
co
n
s
u
m
er
f
u
n
ct
io
n
alit
y
,
i
n
s
ti
tu
t
io
n
a
n
d
m
an
a
g
e
m
e
n
t
o
f
T
h
e
p
o
s
s
ib
ilit
y
o
f
m
o
v
e
m
e
n
t
an
d
m
o
b
ilit
y
a
tu
n
n
el
w
it
h
B
S,
Qo
S
an
d
.
P
o
lic
y
i
m
p
le
m
e
n
tati
o
n
,
Un
d
er
co
v
er
ag
en
t
f
u
n
c
tio
n
alit
y
f
o
r
m
o
b
ile
I
P
,
an
d
R
o
u
tin
g
to
th
e
ch
o
s
e
n
C
SN.
d.
(
HA
)
:
it
i
s
i
n
s
id
e
t
h
e
W
iM
A
X
w
h
ic
h
is
s
p
ec
i
f
icall
y
lo
ca
ted
i
n
s
id
e
th
e
C
SN
w
i
th
Mo
b
ile
-
I
P
f
o
r
m
in
g
a
k
e
y
co
m
p
o
n
e
n
t
i
n
s
id
e
t
h
e
W
iMAX
tech
n
o
lo
g
y
.
T
h
e
HA
w
o
r
k
s
in
co
m
b
in
at
io
n
w
it
h
a
"
Fo
r
ei
g
n
Ag
e
n
t"
,
lik
e
th
e
A
SN
g
ate
w
a
y
to
s
u
p
p
l
y
a
n
ef
f
ec
t
iv
e
e
n
d
-
to
-
en
d
Mo
b
ile
I
P
r
eso
lu
tio
n
.
e.
Au
t
h
en
t
icatio
n
,
Au
t
h
o
r
izatio
n
an
d
A
cc
o
u
n
t
in
g
Ser
v
er
,
AAA:
i
n
t
h
e
ce
ll
u
lar
s
y
s
te
m
an
d
s
p
ec
if
ica
ll
y
in
v
o
l
v
i
n
g
w
it
h
in
t
h
e
C
SN,
t
h
e
s
er
v
er
is
u
s
ed
to
au
t
h
en
tica
te
th
e
s
u
b
s
cr
ip
tio
n
s
er
v
ice
s
,
ac
co
u
n
ti
n
g
an
d
au
th
o
r
izatio
n
.
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
E
fficien
cy
a
n
d
effec
tiven
ess
vid
eo
o
n
d
ema
n
d
o
ve
r
w
o
r
ld
w
id
e
in
ter
o
p
era
b
ilit
y…
(
Mu
th
a
n
n
a
Ja
a
fa
r
A
b
b
a
s
)
1921
3.
T
H
E
Q
UA
L
I
T
Y
O
F
SE
R
VI
CE
I
N
W
iM
AX
Ov
er
t
h
e
p
ast
d
ec
ad
e,
th
a
y
h
av
e
b
ee
n
a
s
i
g
n
i
f
ica
n
t
i
m
p
r
o
v
e
m
e
n
t
in
t
h
e
co
m
m
u
n
icatio
n
n
e
t
w
o
r
k
s
.
A
ct
u
all
y
,
e
x
p
an
s
io
n
o
f
s
u
p
er
i
o
r
b
ac
k
b
o
n
e
n
et
w
o
r
k
s
w
as
r
i
g
h
t
a
w
a
y
f
o
llo
w
ed
t
h
r
o
u
g
h
th
e
s
p
ee
d
y
d
ep
lo
y
m
e
n
t
o
f
b
r
o
ad
b
an
d
w
ir
eles
s
tec
h
n
o
lo
g
ies,
s
i
m
ilar
to
leased
li
n
es
s
u
p
p
o
r
ted
f
ib
er
-
o
p
tic
li
n
k
s
,
ca
b
le
m
o
d
e
m
s
u
tili
zi
n
g
co
ax
ial
s
y
s
te
m
s
,
a
n
d
(
DS
L
)
ac
ce
s
s
n
et
w
o
r
k
s
.
T
h
is
allo
w
s
t
h
e
s
u
b
s
cr
ib
er
a
w
h
o
l
e
n
e
w
ca
teg
o
r
y
o
f
s
er
v
ices
b
y
tak
i
n
g
ad
v
a
n
tag
e
o
f
th
e
g
r
o
w
i
n
g
p
o
s
s
ib
ilit
ie
s
o
f
th
e
n
et
w
o
r
k
.
A
lar
g
e
n
u
m
b
e
r
o
f
n
e
w
av
ailab
l
e
s
er
v
ices
d
ep
en
d
s
o
n
d
if
f
er
en
t
ap
p
licatio
n
s
s
u
c
h
as
(
Vo
I
P
)
,
(
Vo
D)
,
v
id
eo
co
n
f
er
e
n
ce
,
lar
g
e
o
n
li
n
e
p
la
y
i
n
g
,
an
d
P
2
P
,
n
o
t
lik
e
tr
ad
itio
n
al
T
C
P
/
I
P
s
er
v
ic
es.
T
h
er
e
ar
e
s
tr
ict
war
r
an
ties
f
o
r
n
et
w
o
r
k
s
li
k
e
r
es
er
v
ed
b
an
d
w
id
th
o
r
li
m
ited
d
ela
y
s
s
o
m
et
i
m
e
s
n
e
ed
ed
b
y
m
u
lti
m
ed
ia
s
y
s
te
m
s
ap
p
licatio
n
s
.
Qo
S
m
ea
n
s
t
h
at
v
ar
io
u
s
t
h
in
g
s
to
to
tall
y
d
if
f
er
e
n
t
en
d
u
s
er
s
,
t
h
e
m
ax
i
m
u
m
a
m
o
u
n
t
d
ep
en
d
s
o
n
th
e
ap
p
lia
n
ce
an
d
th
er
e
f
o
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th
e
u
s
e
to
th
at
t
h
e
to
p
u
s
er
is
p
u
tti
n
g
it.
I
t
’
s
s
o
u
s
u
al
to
u
s
e
a
v
ar
iet
y
o
f
m
ea
s
u
r
ab
le
p
er
f
o
r
m
a
n
ce
p
ar
am
e
t
er
s
f
r
o
m
t
h
at
th
o
s
e
ac
ce
p
tab
le
to
th
e
ac
tu
al
u
s
er
m
a
y
b
e
ch
o
s
en
.
4.
SI
M
UL
AT
I
O
N
A
NAL
YSI
S
T
h
e
p
er
f
o
r
m
an
ce
o
f
W
iMa
x
tech
n
o
lo
g
y
(
QP
SK
an
d
Q
AM
6
4
m
o
d
u
latio
n
tech
n
iq
u
es)
h
av
e
b
ee
n
an
al
y
ze
d
u
s
i
n
g
OP
NE
T
Si
m
u
l
ato
r
1
7
.
5
.
I
n
th
is
w
o
r
k
,
w
e
d
id
an
al
y
zi
n
g
to
th
e
i
m
p
ac
t
o
f
M
o
b
ilit
y
p
atter
n
s
o
f
a
m
o
b
ile
W
iMa
x
u
s
er
o
n
Vo
D
th
r
o
u
g
h
W
iM
AX.
T
h
r
ee
m
o
b
ilit
y
p
atter
n
s
w
er
e
d
ep
lo
y
ed
in
t
h
is
Si
m
u
latio
n
,
r
an
d
o
m
n
o
d
es,
n
o
d
es
a
lo
n
g
th
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tr
ac
k
a
n
d
n
o
d
es
r
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d
o
m
l
y
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is
tr
ib
u
ted
b
et
w
ee
n
f
i
x
ed
an
d
m
o
v
i
n
g
.
T
h
e
QA
M6
4
an
d
QP
SK t
ec
h
n
o
lo
g
ies h
a
v
e
b
ee
n
ap
p
lied
to
7
h
e
x
ag
o
n
al
ce
ll
s
in
t
h
i
s
s
i
m
u
latio
n
.
T
h
e
r
ad
iu
s
o
f
ea
ch
ce
ll
is
2
8
k
m
.
E
ac
h
ce
ll
eq
u
ip
p
ed
w
i
th
o
n
e
B
S
w
h
ich
h
as
1
6
d
is
tr
ib
u
ted
m
o
b
ile
n
o
d
es,
w
i
th
an
eq
u
al
d
is
ta
n
ce
b
et
w
ee
n
ea
ch
o
th
er
a
n
d
an
eq
u
al
d
is
ta
n
ce
f
r
o
m
th
e
B
S.
5.
R
E
SU
L
T
S
Fig
u
r
e
2
an
d
Fig
u
r
e
3
s
h
o
w
t
h
e
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m
o
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n
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f
d
ata
h
av
e
b
ee
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en
t
f
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r
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M6
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d
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n
tech
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iq
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m
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aj
ec
to
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d
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et
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ilit
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atter
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en
t
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r
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ic,
in
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iv
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all
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s
in
g
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A
M6
4
an
d
QP
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tech
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Fig
u
r
e
2
s
h
o
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g
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p
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t
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atter
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Fig
u
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2.
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h
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r
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g
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p
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t o
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A
M
m
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tech
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f
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atter
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Fig
u
r
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3.
T
h
e
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r
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p
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t o
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m
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n
tech
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iq
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d
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f
f
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t M
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atter
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Fig
u
r
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3
s
h
o
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h
p
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ilit
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P
atter
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n
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ti
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atter
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T
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ig
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4
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tr
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ec
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ig
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h
tt
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[2
]
F.
Eh
ti
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,
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t
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,
v
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/i
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u
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:
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)
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1
.
[3
]
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.
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m
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.
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[4
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[6
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.
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.
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in
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[8
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.
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l.
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NET
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s
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)
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p
p
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.
[9
]
S.
S
h
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rm
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,
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:
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