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2
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cs.v
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ttp
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cs.ia
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a
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ten
n
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AA
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v
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ti
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n
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ll
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ts,
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it
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lu
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ea
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f
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r
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tu
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ith
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rticle
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CC B
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se
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C
o
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r
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s
p
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A
uth
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r
:
Asaad
S.
Dag
h
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E
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g
i
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r
i
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g
T
ec
h
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ical
C
o
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Al
-
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l
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T
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ical
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r
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4
6
6
k
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@
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iq
1.
I
NT
RO
D
UCT
I
O
N
T
h
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s
tatis
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co
n
f
ir
m
t
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p
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m
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ar
o
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th
e
w
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ld
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it
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cr
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en
tiall
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i
n
t
h
e
u
p
co
m
i
n
g
y
ea
r
s
[
1
]
.
Stu
d
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s
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n
d
icate
t
h
at
d
ata
tr
af
f
ic
h
as
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cr
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to
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ter
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et
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f
t
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o
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d
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p
a
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A
l
l
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li
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ited
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an
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k
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an
y
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r
eso
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r
ce
s
i
n
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at
u
r
e
[
2
]
-
[
6
]
.
R
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ch
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u
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p
ti
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[
7
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-
[
9
]
.
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m
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te
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co
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s
id
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m
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le
t
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it
’
s
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im
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ly
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w
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it
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s
i
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l
o
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es
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ev
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(
SL
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[
1
0
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,
[
1
1
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.
T
h
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ca
n
b
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iev
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t
h
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o
u
g
h
d
ir
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ea
m
f
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m
i
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g
[
1
2
]
-
[
2
3
]
.
I
n
[
2
4
]
,
a
s
p
ac
e
ti
m
i
n
g
w
it
h
m
u
ltip
le
a
n
te
n
n
a
s
at
t
h
e
b
ase
s
t
atio
n
h
as
b
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n
co
n
s
tr
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cted
an
d
an
al
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d
th
r
o
u
g
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t
h
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tili
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d
r
ea
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tic
p
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s
s
in
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m
eth
o
d
o
f
i
n
ter
f
er
en
ce
an
d
c
h
an
n
el
m
o
d
els.
I
n
[
2
5
]
,
a
m
u
ltip
le
s
ig
n
a
l
class
i
f
icatio
n
(
MU
SIC)
alg
o
r
i
th
m
h
as
u
s
ed
to
o
b
tain
th
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b
ea
m
f
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,
w
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t
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ls
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m
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b
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w
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d
ir
ec
tio
n
o
f
s
ig
n
al
i
n
ter
f
er
in
g
.
I
n
[
2
6
]
,
th
r
ee
tech
n
iq
u
e
s
,
g
r
e
y
w
o
l
f
o
p
tim
izatio
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m
ea
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s
q
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ar
e,
an
d
g
en
etic
al
g
o
r
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m
,
w
er
e
u
s
ed
to
r
ed
u
ce
d
SLL
an
d
i
n
cr
ea
s
ed
d
ir
ec
tiv
it
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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J
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N:
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id
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in
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ifo
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circu
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ma
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A
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ma
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)
931
A
c
u
lt
u
r
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m
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C
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s
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cu
lt
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r
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s
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r
ith
m
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wh
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s
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m
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g
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o
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ith
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t
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s
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m
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I
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w
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m
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y
[
2
7
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.
Ho
w
e
v
er
,
C
A
i
s
u
s
ed
in
th
is
ar
ticle
to
m
in
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m
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t
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SS
L
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h
e
p
ap
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c
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tio
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s
ar
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ted
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elo
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:
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h
e
d
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ec
tiv
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ter
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A
t
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ar
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.
T
h
e
o
th
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s
ec
tio
n
o
f
th
i
s
ar
ticle
is
o
r
g
an
i
ze
d
as
f
o
llo
w
s
:
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ec
tio
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2
d
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es
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cu
ltu
r
e
alg
o
r
ith
m
w
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e
it
s
i
m
p
le
m
e
n
tatio
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s
tep
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ated
.
Sectio
n
3
ill
u
s
tr
ates a
co
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a
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f
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cu
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ay
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U
C
AA
)
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w
h
er
e
t
h
e
ar
r
ay
f
ac
to
r
eq
u
atio
n
s
ar
e
a
n
al
y
ze
d
.
I
n
S
ec
tio
n
4
,
s
ev
er
al
ca
s
es
f
o
r
u
n
i
f
o
r
m
cir
c
u
la
r
ar
r
ay
a
n
al
y
s
is
t
h
at
o
p
ti
m
ized
w
it
h
t
h
e
C
A
al
g
o
r
ith
m
w
i
th
c
h
an
g
i
n
g
t
h
e
i
n
ter
-
s
p
ac
in
g
b
et
w
ee
n
ele
m
en
t
s
an
d
n
u
m
b
er
o
f
ele
m
e
n
ts
ar
e
s
t
u
d
ie
d
.
Mo
r
eo
v
er
,
th
e
ar
r
a
y
p
atter
n
s
ar
e
d
e
m
o
n
s
tr
ated
in
t
h
e
s
a
m
e
s
ec
tio
n
,
w
h
ile
th
e
co
n
clu
s
io
n
s
ar
e
clar
if
ied
in
s
e
ctio
n
f
i
v
e.
2.
CUL
T
URA
L
AL
G
O
R
I
T
H
M
P
RO
CE
SS
T
h
e
C
A
p
r
o
ce
s
s
ca
n
b
e
s
u
m
m
ar
ized
as f
o
llo
w
s
[
2
8
]
-
[
3
2
]
:
T
h
e
p
o
p
u
latio
n
is
es
tab
lis
h
ed
as
a
co
llectio
n
o
f
in
d
i
v
id
u
a
ls
(
p
r
o
b
a
b
le
s
o
lu
tio
n
)
.
E
v
er
y
i
n
d
iv
id
u
al
ca
n
b
e
d
escr
ib
ed
b
y
t
w
o
ter
m
s
,
th
e
f
ir
s
t
o
n
e
is
a
s
e
t
o
f
tr
aits
o
r
b
eh
av
io
r
,
an
d
t
h
e
s
ec
o
n
d
ter
m
i
s
th
e
Ma
p
p
a
o
r
g
en
er
alize
d
d
escr
ip
tio
n
o
f
th
e
ir
ex
p
er
ien
ce
s
.
T
r
aits
ca
n
b
e
l
o
s
t
o
r
ad
d
ed
to
th
e
p
o
p
u
latio
n
.
I
t
ca
n
also
b
e
ch
an
g
ed
a
n
d
ex
c
h
a
n
g
ed
b
et
wee
n
i
n
d
iv
id
u
als.
I
n
e
v
er
y
g
e
n
er
atio
n
,
th
e
s
et
o
f
i
n
d
i
v
id
u
al
s
ar
e
q
u
ali
f
ied
i
n
ter
m
s
o
f
c
u
r
r
en
tl
y
u
s
ab
le
tr
aits
.
A
f
itn
e
s
s
f
u
n
ctio
n
is
u
s
ed
t
o
ev
alu
ate
th
e
p
er
f
o
r
m
a
n
ce
o
f
ea
ch
in
d
iv
id
u
al
th
r
o
u
g
h
a
s
et
o
f
ch
o
s
e
n
p
ar
am
eter
s
.
A
g
en
er
alize
d
m
ap
o
f
th
e
e
x
p
er
ien
ce
is
p
r
o
d
u
ce
d
f
r
o
m
ev
er
y
in
d
i
v
id
u
al
d
u
r
in
g
a
ti
m
e,
w
h
ich
i
s
d
ef
in
ed
a
s
o
u
tlin
in
g
.
A
d
o
m
i
n
an
t b
elie
f
i
s
lau
n
ch
ed
u
p
o
n
th
e
m
o
s
t
g
en
er
a
l b
elief
th
at
g
en
er
ated
Ma
p
p
a.
T
h
e
ad
j
u
s
ted
b
elief
s
p
ac
e
h
as
d
ef
i
n
ed
a
g
r
o
u
p
o
f
p
r
ese
n
t
a
cc
ep
tab
le
Ma
p
p
a
co
llectio
n
s
at
a
g
iv
e
n
ti
m
e
lev
el
.
T
h
e
r
ej
ec
ted
Ma
p
p
a
ca
n
b
e
f
o
r
ce
d
o
r
n
o
t
a
t
th
e
p
o
p
u
latio
n
le
v
el.
T
h
e
in
d
i
v
id
u
al
p
r
o
ce
s
s
in
g
o
f
th
e
ass
o
ciate
d
b
elief
s
is
n
o
t
allo
wed
in
th
e
g
r
o
u
p
o
f
t
h
e
n
e
x
t
g
e
n
er
atio
n
s
w
h
e
n
t
h
e
r
ej
ec
ted
Ma
p
p
a
is
f
o
r
ce
d
;
w
h
ile
it c
a
n
b
e,
r
esu
r
f
ac
e
i
n
t
h
e
n
ex
t p
o
p
u
latio
n
s
w
h
en
t
h
e
g
r
o
u
p
d
o
es n
o
t i
m
p
o
s
e
th
e
r
ej
ec
ti
o
n
o
f
Ma
p
p
a.
Sev
er
al
t
h
i
n
g
s
ca
n
b
e
c
h
an
g
e
d
th
r
o
u
g
h
t
h
e
b
elief
s
p
ac
e,
s
u
ch
a
s
t
h
e
ef
f
ec
ti
v
e
n
es
s
o
f
i
n
d
iv
id
u
al
s
in
th
e
p
o
p
u
latio
n
s
p
ac
e,
i
m
p
o
s
e
t
h
e
r
ej
ec
ted
Ma
p
p
a,
an
d
ch
an
g
e
t
h
e
s
et
o
f
ac
ce
p
tab
le
tr
aits
.
T
h
er
ea
f
ter
,
a
n
e
w
p
o
p
u
latio
n
is
g
en
er
ated
b
y
p
o
p
u
lati
o
n
s
p
ac
e
v
ia
s
e
lecti
n
g
i
n
d
iv
id
u
al
s
to
b
e
p
a
r
en
ts
f
o
r
th
e
n
ex
t
g
e
n
er
atio
n
.
I
t
is
u
s
ed
to
p
r
o
m
o
te
a
n
e
w
p
o
p
u
latio
n
t
h
r
o
u
g
h
t
h
e
e
n
f
o
r
ce
m
en
t
ch
a
n
g
es
o
f
d
if
f
er
e
n
t
f
ac
t
o
r
s
.
I
n
th
i
s
w
a
y
,
th
e
p
r
o
ce
s
s
in
g
i
s
in
te
g
r
ated
with
p
ar
allel
d
u
e
to
th
e
p
o
s
s
ib
il
it
y
t
h
at
th
er
e
ca
n
b
e
m
a
n
y
g
r
o
u
p
s
p
lacin
g
i
n
th
e
b
elie
f
s
p
ac
e.
E
v
er
y
b
o
o
s
te
d
th
r
o
u
g
h
a
s
u
b
co
llectio
n
o
f
t
h
e
p
r
esen
t
p
o
p
u
latio
n
ca
n
u
tili
ze
a
f
u
n
c
tio
n
o
r
f
r
ac
tio
n
o
f
th
e
s
o
lv
i
n
g
en
v
ir
o
n
m
en
t
p
r
o
b
lem
.
T
h
e
o
u
tl
in
i
n
g
,
m
er
g
i
n
g
an
d
p
r
u
n
i
n
g
p
r
o
ce
s
s
e
s
to
g
et
h
er
w
it
h
th
e
ac
ce
p
ta
n
c
e
a
n
d
co
m
b
i
n
ati
o
n
tas
k
s
is
d
ef
i
n
ed
h
o
w
t
h
e
b
elief
s
s
p
ac
e
w
o
u
ld
b
e
s
ea
r
ch
e
d
in
p
ar
allel
b
y
in
d
iv
id
u
als i
n
t
h
e
p
o
p
u
latio
n
s
.
Fig
u
r
e
1
s
i
m
p
l
y
ill
u
s
tr
ate
s
th
e
C
A
p
r
o
ce
s
s
.
Fig
u
r
e
1
.
C
u
lt
u
r
al
al
g
o
r
ith
m
f
l
o
w
ch
ar
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
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4752
I
n
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n
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E
n
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p
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,
No
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2
,
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e
m
b
er
20
21
:
9
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932
3.
CO
NF
I
G
URA
T
I
O
N
O
F
UN
I
F
O
RM
CIRCUL
AR
AN
T
E
NNA
ARRA
Y
T
h
e
elem
e
n
ts
ar
e
s
et
i
n
a
cir
cu
lar
r
in
g
i
n
th
e
u
n
if
o
r
m
cir
c
u
lar
an
te
n
n
a
ar
r
a
y
,
w
h
er
e
it
h
as
eq
u
all
y
s
p
ac
ed
f
o
r
N
n
u
m
b
er
o
f
it.
I
n
th
e
p
r
esen
t
w
ir
eles
s
co
m
m
u
n
icatio
n
s
y
s
te
m
s
,
a
cir
c
u
lar
ar
r
ay
h
as
b
ee
n
s
u
g
g
e
s
ted
in
s
m
ar
t
a
n
te
n
n
a
ap
p
licatio
n
s
[
3
3
]
-
[
4
3
]
.
I
t
h
as
th
e
ca
p
ab
ilit
y
o
f
s
ca
n
n
i
n
g
th
r
o
u
g
h
3
6
0
d
eg
r
ee
s
az
i
m
u
th
a
ll
y
.
F
ig
u
r
e
2
s
h
o
w
s
a
g
eo
m
etr
y
o
f
a
u
n
i
f
o
r
m
cir
c
u
la
r
an
ten
n
a
o
f
N
-
ele
m
en
ts
.
Fig
u
r
e
2
.
Geo
m
e
tr
y
o
f
U
C
AA
T
h
e
cir
cu
lar
ar
r
a
y
h
a
s
co
n
s
is
t
ed
o
f
N
-
is
o
tr
o
p
ic
ele
m
e
n
ts
,
wh
ich
ar
e
eq
u
a
ll
y
s
p
ac
ed
t
h
r
o
u
g
h
t
h
e
x
-
y
p
lan
e
o
v
er
th
e
cir
cu
lar
r
in
g
o
f
r
ad
iu
s
α
.
T
h
e
ar
r
ay
f
ac
to
r
(
AF
)
o
f
UC
AA
is
g
i
v
en
b
y
[
1
0
]
:
(
Ө,
)
=
∑
[
(
)
]
(
1
)
w
h
er
e
is
t
h
e
v
al
u
e
o
f
a
m
p
lit
u
d
e
ex
citatio
n
o
f
ele
m
en
t,
is
t
h
e
ele
m
e
n
t e
x
citatio
n
p
h
ase
a
n
d
is
th
e
ele
m
e
n
t a
n
g
u
lar
p
o
s
itio
n
in
t
h
e
x
-
y
p
lan
e,
a
n
d
is
th
e
ar
c
d
is
tan
ce
b
et
w
ee
n
e
v
er
y
t
wo
elem
e
n
t
s
.
T
h
e
m
ai
n
b
ea
m
i
n
th
e
(
)
d
ir
e
ctio
n
in
d
icate
s
to
th
e
p
ea
k
o
f
th
e
p
h
a
s
e
ex
citatio
n
o
f
th
e
ele
m
e
n
t,
w
h
ic
h
is
e
x
p
r
ess
ed
as:
(
)
(
2
)
So
,
th
e
is
g
iv
e
n
b
y
:
(
Ө,
)
=
∑
[
(
)
(
)
]
(
3
)
An
d
it c
an
b
e
s
i
m
p
li
f
ied
to
:
(
Ө,
)
=
∑
[
(
)
]
(
4
)
T
h
e
f
itn
e
s
s
f
u
n
ctio
n
o
f
UC
AA
ca
n
b
e
w
r
itte
n
as:
Fit
n
e
s
s
=
m
i
n
(
(
*
(
(
)
(
)
)
+
)
)
(
5
)
I
n
th
i
s
ca
s
e
s
t
u
d
y
,
t
h
e
n
u
m
b
er
o
f
ele
m
e
n
ts
a
n
d
th
e
s
ep
ar
atio
n
d
is
tan
ce
b
et
w
ee
n
t
h
e
m
is
ta
k
e
n
as o
p
ti
m
iza
tio
n
p
ar
am
eter
s
.
4.
RE
SU
L
T
S
AND
D
I
SCU
SS
I
O
N
T
h
e
C
A
o
p
ti
m
izatio
n
m
et
h
o
d
is
ap
p
lied
to
d
ec
r
ea
s
e
th
e
SLL
i
n
w
h
ic
h
t
h
e
m
a
in
b
ea
m
is
s
teer
ed
at
d
if
f
er
e
n
t
an
g
le
s
.
T
h
e
p
er
f
o
r
m
an
ce
o
f
th
e
s
y
s
te
m
i
s
an
al
y
ze
d
th
r
o
u
g
h
a
MA
T
L
A
B
s
i
m
u
la
tio
n
to
o
l.
A
r
elatio
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
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o
m
p
Sci
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SS
N:
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4752
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id
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imiz
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circu
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r
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r
t a
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a
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i
f
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t
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m
e
n
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h
as
b
ee
n
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k
i
n
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in
to
ac
co
u
n
t.
T
h
e
m
ai
n
p
ap
er
s
i
m
u
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io
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p
ar
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eter
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te
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in
T
ab
le
1
.
I
n
t
h
is
p
ap
er
,
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e
n
u
m
b
er
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r
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e
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ized
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4
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ize
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h
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ize
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935
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[1
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A
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T
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2
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8
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8
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5
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.
[2
]
A
.
S
.
Da
g
h
a
l
a
n
d
Q.
Z.
A
h
m
e
d
,
"
V
id
e
o
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te
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t
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li
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ry
Us
in
g
M
u
lt
i
p
le
De
v
ice
s
to
S
in
g
le
De
v
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Co
m
m
u
n
ica
ti
o
n
s,"
2
0
1
6
IE
EE
8
3
rd
Ve
h
icu
l
a
r
T
e
c
h
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o
lo
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fer
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(
VT
C
S
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rin
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)
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p
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o
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/
V
T
CS
p
rin
g
.
2
0
1
6
.
7
5
0
4
5
2
8
.
[3
]
A
.
S
.
Da
g
h
a
l,
H.
Zh
u
,
a
n
d
J.
W
a
n
g
,
"
P
e
rf
o
r
m
a
n
c
e
A
n
a
l
y
sis
o
f
M
o
b
i
le
Co
n
te
n
t
De
li
v
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r
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in
M
u
l
ti
p
le
De
v
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s
to
S
in
g
le
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v
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Co
m
m
u
n
ica
ti
o
n
,
"
GLOBE
COM
2
0
1
7
-
2
0
1
7
IEE
E
Glo
b
a
l
Co
mm
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n
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7
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5
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9
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L
OCO
M
.
2
0
1
7
.
8
2
5
4
8
3
9
.
[4
]
A
.
S
.
Da
g
h
a
l,
H.
Z
h
u
,
Q.
Z.
A
h
m
e
d
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a
n
d
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P
a
n
,
"
Ou
tag
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P
e
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o
rm
a
n
c
e
A
n
a
l
y
sis
o
f
Co
n
ten
t
De
li
v
e
r
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in
M
u
lt
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p
le
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v
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s
to
S
in
g
le
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v
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Co
m
m
u
n
ica
ti
o
n
s,"
2
0
1
7
IEE
E
8
5
t
h
Veh
icu
la
r
T
e
c
h
n
o
l
o
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Co
n
fer
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e
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C
S
p
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g
)
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2
0
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7
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p
p
.
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-
5
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d
o
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0
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1
1
0
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/
V
T
CS
p
rin
g
.
2
0
1
7
.
8
1
0
8
4
0
1
.
[5
]
A
.
F
.
A
th
a
b
a
n
d
A
.
S
.
Da
g
h
a
l,
"
IOT
S
y
ste
m
to
L
i
m
it
S
p
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d
R
a
te
b
y
Us
in
g
G
P
S
a
n
d
R
F
De
v
ice
s,
"
IOP
Co
n
fer
e
n
c
e
S
e
rie
s:
M
a
ter
ia
ls
S
c
ien
c
e
a
n
d
En
g
in
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g
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v
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l.
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2
8
.
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3
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P
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in
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0
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0
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o
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1
0
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1
0
8
8
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7
5
7
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8
9
9
x
/
9
2
8
/2
/
0
2
2
1
1
1
.
[6
]
A
.
F
.
A
th
a
b
,
A
.
S
.
Da
g
h
a
l,
a
n
d
S
.
A
.
A
b
a
s,
"
V
e
h
icle
S
p
e
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d
Re
d
u
c
ti
o
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B
a
se
d
o
n
A
u
th
o
rize
d
S
p
e
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d
L
i
m
it
s,
"
IOP
Co
n
fer
e
n
c
e
S
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rie
s:
M
a
ter
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ls
S
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c
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a
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d
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g
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v
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8
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o
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5
7
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8
9
9
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/3
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0
3
2
0
7
7
.
[7
]
A
.
Ch
u
n
a
w
a
le
a
n
d
S
.
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irsik
a
r,
"
M
in
im
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ti
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f
a
v
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e
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e
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y
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su
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ro
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li
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e
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so
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tw
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rk
,
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2
0
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4
IEE
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a
l
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fer
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o
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les
s
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&
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rk
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4
8
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o
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CWCN.
2
0
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4
.
7
0
3
0
8
8
7
.
[8
]
G
.
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g
,
N.
W
a
n
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,
T
.
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ie
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a
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d
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W
u
,
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tu
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m
issio
n
in
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ss
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t
w
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k
s,"
2
0
1
7
IE
EE
In
ter
n
a
ti
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n
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mp
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Distrib
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ter
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(
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p
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S
P
A
/IUCC.
2
0
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0
0
1
3
3
.
[
9
]
Y
.
Z
e
n
g
,
S
.
G
u
o
,
G
.
L
i
u
,
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n
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C
C
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2
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9
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9
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.
[1
0
]
C.
A
.
Ba
lan
is,
A
n
ten
n
a
T
h
e
o
ry
:
An
a
ly
sis a
n
d
De
sig
n
,
3
rd
e
d
.
,
W
il
e
y
,
Ne
w
Yo
rk
,
2
0
0
5
.
[1
1
]
D.
Ch
a
n
g
a
n
d
C.
Hu
,
"
S
m
a
rt
A
n
ten
n
a
s
f
o
r
A
d
v
a
n
c
e
d
Co
m
m
u
n
ica
ti
o
n
S
y
ste
m
s,"
in
Pro
c
e
e
d
in
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o
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e
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v
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l.
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p
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2
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ly
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9
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P
ROC.
2
0
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2
.
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1
8
7
4
0
9
.
[1
2
]
S
,
Ba
h
ri
a
n
d
F
.
Be
n
d
im
e
ra
d
.
"
P
e
rf
o
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m
a
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p
ti
v
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b
e
a
m
f
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r
m
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n
g
a
lg
o
rit
h
m
f
o
r
L
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S
-
M
CCDMA
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IM
O
s
m
a
rt
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n
ten
n
a
s,
"
In
t.
Ara
b
J
.
I
n
f.
T
e
c
h
n
o
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v
o
l
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6
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n
o
.
3
,
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u
ly
2
0
0
9
,
p
p
.
2
8
3
-
2
8
8
.
[1
3
]
A
.
I.
M
o
h
sin
,
A
.
S
.
Da
g
h
a
l,
a
n
d
A
.
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S
a
ll
o
m
i,
"
A
b
e
a
m
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o
r
m
in
g
stu
d
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th
e
li
n
e
a
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a
n
ten
n
a
a
rra
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sin
g
g
re
y
w
o
lf
o
p
ti
m
iza
ti
o
n
a
lg
o
rit
h
m
,
"
In
d
o
n
e
s
ia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
E
n
g
in
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ter
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e
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v
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l.
2
0
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n
o
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3
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De
c
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p
p
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2
0
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i3
.
p
p
1
5
3
8
-
1
5
4
6
.
[1
4
]
A
.
D.
M
.
Af
rica
,
R.
R.
M
.
T
a
g
a
b
u
h
in
,
a
n
d
J.
J.
S
D
T
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a
d
o
s,
"
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sig
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sim
u
latio
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v
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m
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rt
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ten
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sin
g
M
A
TL
A
B,
"
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
E
n
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m
p
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ter
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c
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c
e
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v
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l.
2
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o
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3
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a
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p
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1
.
i
3
.
p
p
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1
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4
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1
5
9
3
.
[1
5
]
N.
A
.
La
f
ta,
a
n
d
S
.
S
.
Hre
sh
e
e
,
"
W
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r
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p
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las
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m
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ter
n
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trica
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v
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p
4
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-
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.
[1
6
]
H.
G
.
Ha
o
,
W
.
S
.
Hu
,
W
.
Ru
a
n
,
a
n
d
W
.
Ch
e
n
,
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in
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r
iza
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rt
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ten
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d
e
sig
n
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r
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DSCDM
A
s
y
ste
m
,
"
T
EL
KOM
NIKA
T
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lec
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mm
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n
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ti
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n
,
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o
mp
u
ti
n
g
,
El
e
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tro
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n
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C
o
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v
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2
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p
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3
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lk
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m
n
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a
.
v
1
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.
3
7
5
2
.
[1
7
]
F
.
M
.
Am
jad
,
A
.
Z.
S
h
a
’a
m
e
ri,
K.
M
.
Yu
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n
d
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.
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irc
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ra
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r
sig
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a
ls,
"
Bu
ll
e
ti
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o
f
El
e
c
trica
l
E
n
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s
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[3
5
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6
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7
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[4
3
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N.
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