I
nd
o
ne
s
ia
n J
o
urna
l o
f
E
lect
rica
l En
g
ineering
a
nd
Co
m
pu
t
er
Science
Vo
l.
24
,
No
.
1
,
Octo
b
er
2
0
2
1
,
p
p
.
34
7
~
35
6
I
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N:
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5
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7
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DOI
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1
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24
.i
1
.
pp
34
7
-
35
6
347
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A sma
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se
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g
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s
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9
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re
sp
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iv
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ly
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c
tu
re
s
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re
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e
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n
e
d
t
o
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ra
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th
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n
d
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wire
les
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lo
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l
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re
a
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two
rk
s (
WL
AN
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a
p
p
l
ica
ti
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s.
K
ey
w
o
r
d
s
:
AM
C
B
o
o
m
er
an
g
a
r
m
s
C
av
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r
ef
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C
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c
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rticle
u
n
d
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r th
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CC B
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SA
li
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se
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C
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p
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A
uth
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r
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s
taf
a
Hasan
Dep
ar
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t o
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u
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s
,
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n
g
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n
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Awsat T
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ity
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a
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u
s
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at
a
wid
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o
f
f
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eq
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cies.
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k
n
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wn
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ten
n
as
with
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e
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a
n
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a
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it
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ig
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als
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h
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to
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ically
,
th
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DA
wa
s
in
v
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ted
i
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th
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1
9
3
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f
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th
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in
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r
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B
r
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wn
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was
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f
ir
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C
DA
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r
th
e
n
am
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f
“tu
r
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tile
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ten
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A
f
ter
th
at,
in
1
9
4
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s
,
th
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“su
p
er
tu
r
n
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tile”
an
ten
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was
d
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with
a
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im
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d
wid
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d
esig
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co
m
p
ar
ed
with
th
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p
r
ev
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s
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[
1]
,
[2
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th
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9
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a
n
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wh
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C
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ar
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with
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T
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s
aid
s
to
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ala
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ce
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p
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b
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f
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tr
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to
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r
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p
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f
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cir
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ar
p
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s
ig
n
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with
an
ax
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c
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to
0
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B
.
I
n
o
th
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wo
r
d
s
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th
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co
n
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itio
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was
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at
b
o
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Evaluation Warning : The document was created with Spire.PDF for Python.
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I
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d
o
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J
E
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E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
1
,
Octo
b
er
2
0
2
1
:
34
7
-
35
6
348
an
g
le
b
y
90
°
lead
in
g
in
to
g
en
er
at
io
n
o
f
cir
c
u
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p
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[
3
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2
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en
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r
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o
f
cir
cu
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p
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tio
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s
ig
n
als [
4
].
T
h
e
m
o
s
t
im
p
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r
ta
n
t
cr
iter
ia
in
th
e
C
DA
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p
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a
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ten
n
as
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tio
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s
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o
r
p
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o
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i
b
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m
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ltip
ath
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f
ec
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n
d
allev
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g
th
e
p
o
lar
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m
is
m
atch
p
r
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b
lem
s
as
k
n
o
wn
am
o
n
g
th
e
wir
eless
co
m
m
u
n
i
ca
tio
n
co
m
m
u
n
ity
.
Her
e,
s
o
m
e
ex
am
p
les
f
o
r
th
e
u
s
e
o
f
th
e
cir
cu
lar
p
o
lar
izatio
n
an
ten
n
as
ar
e
r
ec
alled
f
o
r
th
e
s
ak
e
o
f
in
teg
r
it
y
s
u
ch
a
s
:
n
av
ig
atio
n
s
atellite
s
y
s
tem
g
lo
b
al
p
o
s
itio
n
s
y
s
te
m
(
GPS
)
,
b
r
o
ad
ca
s
tin
g
s
er
v
ic
es
(
B
DS
)
an
d
g
lo
b
al
n
av
ig
ati
o
n
s
atellite
s
y
s
tem
s
(
GNSS)
[
5]
-
[7
]
,
wir
eless
lo
ca
l
ar
ea
n
etwo
r
k
(
W
L
AN)
[
8
]
a
n
d
r
ad
io
f
r
e
q
u
en
c
y
id
en
tific
atio
n
(
R
FID
)
[
9]
,
[
1
0
]
,
wir
eless
p
er
s
o
n
al
ar
ea
n
etwo
r
k
[
1
1
]
an
d
wo
r
ld
wid
e
in
ter
o
p
er
ab
ilit
y
(
W
iMa
x
)
f
o
r
m
icr
o
wav
e
ac
ce
s
s
[
1
2
]
.
T
h
er
ef
o
r
e,
th
e
cr
o
s
s
-
d
ip
o
le
a
n
ten
n
as
ar
e
s
o
p
h
is
ticated
f
o
r
th
e
p
r
esen
t
a
n
d
f
u
tu
r
e
c
o
m
m
u
n
icatio
n
s
y
s
tem
s
.
Mo
r
eo
v
er
,
th
is
ty
p
e
o
f
an
ten
n
as
ca
n
g
en
er
ate
is
o
tr
o
p
ic,
d
u
al,
o
m
n
id
ir
ec
tio
n
al
r
ad
iatio
n
p
at
ter
n
s
with
cir
cu
lar
p
o
lar
izatio
n
ca
p
ab
ilit
ies.
Als
o
,
th
e
cr
o
s
s
-
d
ip
o
le
an
ten
n
a
is
c
o
n
v
en
ie
n
t
f
o
r
s
in
g
le
an
d
m
u
lt
ib
an
d
as
in
[
1
2
]
,
a
wid
eb
an
d
as we
ll [
1
3
]
,
an
d
b
r
o
ad
b
an
d
o
p
er
atio
n
as in
[
1
4
].
I
n
t
h
e
r
e
c
e
n
t
y
e
a
r
s
,
d
i
f
f
e
r
e
n
t
k
in
d
s
o
f
w
i
d
e
b
a
n
d
C
P
h
a
v
e
b
e
en
d
e
s
i
g
n
e
d
a
n
d
f
a
b
r
i
c
a
t
e
d
,
u
t
il
iz
i
n
g
m
a
n
y
t
y
p
e
s
of
r
a
d
i
a
t
e
d
s
t
r
u
ct
u
r
e
s
[
1
2]
-
[
4
2
]
.
F
o
r
e
x
a
m
p
l
e
,
t
h
e
C
D
A
w
i
t
h
d
i
e
l
ec
t
r
i
c
r
es
o
n
a
n
t
a
n
te
n
n
a
s
w
e
r
e
r
e
p
o
r
t
e
d
,
c
o
v
e
r
i
n
g
a
w
i
d
e
b
a
n
d
o
f
f
r
e
q
u
e
n
c
i
e
s
a
n
d
b
e
i
n
g
a
s
a
s
t
ai
r
s
h
a
p
e
[
1
5
]
;
a
r
e
c
t
a
n
g
u
l
a
r
C
DA
w
i
t
h
t
w
o
h
a
l
f
s
p
l
it
c
y
l
i
n
d
r
i
c
a
l d
i
e
l
e
ct
r
i
c
w
a
v
e
g
u
i
d
e
s
,
o
p
e
r
a
ti
n
g
a
t t
h
e
h
i
g
h
e
r
r
e
s
o
n
a
n
t
o
r
d
e
r
m
o
d
e
s
t
o
i
n
c
r
e
as
e
th
e
b
a
n
d
w
i
d
t
h
a
n
d
t
o
e
n
h
a
n
c
e
t
h
e
c
i
r
c
u
l
a
r
i
t
y
o
f
p
o
l
a
r
i
z
a
t
i
o
n
w
as
p
r
o
p
o
s
e
d
i
n
[
1
6
]
;
e
x
c
i
t
i
n
g
d
u
a
l
m
o
d
e
s
i
n
t
h
e
d
i
e
l
e
c
t
r
i
c
r
es
o
n
a
n
t
a
n
t
e
n
n
a
(
D
R
A
)
by
i
n
s
e
r
ti
n
g
a
p
a
i
r
o
f
L
-
s
h
a
p
e
d
s
l
o
t
s
i
s
f
o
u
n
d
i
n
t
h
e
l
i
t
e
r
a
t
u
r
e
[
1
4
]
,
p
r
o
v
i
d
i
n
g
a
g
o
o
d
c
i
r
c
u
l
a
r
p
o
l
a
r
i
z
a
t
i
o
n
p
e
r
f
o
r
m
a
n
c
e
.
A
l
te
r
n
a
t
i
v
e
l
y
,
a
n
t
e
n
n
a
a
p
e
r
t
u
r
e
b
a
c
k
e
d
t
o
a
r
t
i
f
i
c
i
a
l
m
a
g
n
e
t
ic
c
o
n
d
u
c
t
o
r
s
a
r
t
i
f
i
c
i
al
m
a
g
n
e
t
i
c
c
o
n
d
u
c
t
o
r
s
(
A
MC
s
)
w
a
s
p
r
o
p
o
s
e
d
i
n
[
1
7
]
t
o
i
m
p
r
o
v
e
t
h
e
a
n
t
e
n
n
a
p
e
r
f
o
r
m
a
n
c
e
a
n
d
t
o
r
e
d
u
c
e
t
h
e
o
v
e
r
a
l
l
s
i
ze
.
A
s
f
o
u
n
d
i
n
t
h
e
li
t
e
r
a
t
u
r
e
a
n
d
u
n
d
o
u
b
t
e
d
l
y
,
a
n
t
e
n
n
a
s
t
h
a
t
c
a
n
c
o
v
e
r
a
w
i
d
e
r
a
n
g
e
o
f
f
r
e
q
u
e
n
c
i
e
s
w
i
t
h
c
i
r
c
u
l
a
r
p
o
l
a
r
i
za
t
i
o
n
c
h
a
r
ac
t
e
r
i
s
t
i
cs
a
r
e
t
h
e
C
D
A
,
t
h
a
n
k
s
t
o
i
t
s
i
n
f
r
a
s
t
r
u
c
t
u
r
e
,
c
o
n
s
i
s
t
i
n
g
o
f
a
p
a
i
r
o
f
d
i
p
o
l
e
s
w
i
t
h
9
0
d
e
g
r
ee
p
h
a
s
e
s
h
i
f
t
,
i
n
p
a
r
t
i
c
u
l
a
r
,
t
h
e
v
a
ca
n
t
-
q
u
a
r
t
e
r
r
in
g
a
s
p
r
o
p
o
s
e
d
i
n
[
18
]
.
H
e
n
c
e
,
r
e
s
e
a
r
c
h
e
r
s
m
a
d
e
a
l
o
t
o
f
e
f
f
o
r
t
s
i
n
s
u
c
h
t
y
p
e
o
f
a
n
t
e
n
n
a
s
[
18]
-
[
3
8
]
.
T
o
m
ak
e
th
e
a
n
ten
n
a
m
o
r
e
u
s
ab
le,
m
an
y
m
o
d
if
icatio
n
s
h
av
e
b
ee
n
m
ad
e
to
wid
en
th
e
cir
cu
lar
p
o
lar
izatio
n
b
a
n
d
wid
th
u
s
in
g
p
ar
asit
ic
elem
en
ts
.
T
h
e
C
DA
was
f
ir
s
t
d
e
s
ig
n
ed
in
2
0
0
8
with
s
tr
ip
-
lin
e
tr
an
s
m
is
s
io
n
lin
es
wh
ich
h
ad
1
5
.
6
%
ax
ial
r
atio
b
an
d
wid
th
AR
B
W
in
[
18
]
.
B
aik
et
a
l.
p
r
o
p
o
s
ed
in
2
0
1
1
th
e
s
am
e
an
ten
n
a
d
esig
n
with
o
p
e
n
lo
o
p
p
a
r
asit
ic
elem
en
ts
to
e
n
h
an
ce
-
10
d
B
th
e
im
p
ed
a
n
ce
b
an
d
wid
t
h
(
I
B
W
)
an
d
3
d
B
AR
B
W
in
[
19
]
.
Su
b
s
eq
u
en
tly
,
Fen
g
et
a
l.
[2
0
]
h
av
e
u
s
ed
a
s
in
g
le
p
ar
asit
ic
cr
o
s
s
-
l
o
o
p
.
A
cr
o
s
s
s
tr
ip
-
d
ip
o
le
with
a
p
air
o
f
d
ip
o
les to
g
et
wid
e
b
an
d
C
P in
[
2
1
]
,
th
e
s
am
e
au
th
o
r
en
h
an
ce
d
h
is
d
e
s
ig
n
b
y
ad
d
in
g
f
o
u
r
s
q
u
ar
e
-
s
lo
t
p
atch
es
to
p
r
o
v
id
e
th
e
b
r
o
a
d
b
an
d
C
P
[
2
2
]
.
Ng
u
y
en
et
a
l.
[2
3
]
h
a
v
e
u
s
ed
a
d
u
al
ca
v
ity
s
tr
u
ctu
r
e
to
wid
en
th
e
C
P
wid
eb
an
d
.
T
a
a
n
d
Par
k
h
as
u
s
ed
in
[
2
4
]
a
s
in
g
le
ca
v
ity
an
d
m
a
g
n
eto
-
elec
tr
i
c
(
ME
)
,
wh
ic
h
h
as
g
o
o
d
in
f
lu
en
ce
s
o
n
th
e
3
d
B
an
ten
n
a
r
e
f
lectio
n
(
AR
)
.
C
o
u
p
led
r
o
tated
d
ip
o
les
is
p
r
esen
ted
in
[
2
5
]
.
Als
o
,
a
s
im
p
le
s
in
g
le
p
ar
asit
ic
elem
en
t
with
u
tili
zin
g
a
b
ias
cir
cu
it
t
o
tu
r
n
o
n
-
o
f
f
th
e
p
ar
asit
ic
elem
en
ts
is
in
tr
o
d
u
ce
d
in
[
2
6]
,
[
2
7
]
.
Oth
er
ty
p
es
an
d
s
h
ap
es
to
d
esig
n
th
e
m
ain
ar
m
s
o
f
cr
o
s
s
-
d
ip
o
le
an
ten
n
as
to
wid
en
th
e
AR
B
W
an
d
I
B
W
wer
e
r
ep
o
r
ted
in
[
28]
-
[
3
9
].
T
r
a
n
an
d
Par
k
[
2
8
]
h
av
e
u
s
ed
th
e
b
o
wtie
s
h
ap
e
with
two
s
lo
t
-
m
ad
e
etch
ed
o
n
th
e
m
ain
a
r
m
s
to
m
ak
e
co
m
e
u
p
with
a
s
tr
u
ct
u
r
e
r
ad
iatin
g
at
d
u
al
f
r
e
q
u
en
c
ie
s
with
th
e
I
B
W
an
d
3
d
B
AR
B
W
o
f
5
7
%
an
d
5
1
%
,
r
esp
ec
tiv
ely
.
I
n
[
19
]
,
th
e
s
am
e
s
h
ap
e
in
th
e
p
r
e
v
io
u
s
r
e
f
er
e
n
ce
,
th
e
a
u
th
o
r
h
as
u
tili
ze
d
f
o
u
r
p
a
r
asit
ic
p
atch
es wh
er
e
th
e
r
esu
lts
ar
e
s
ee
m
in
g
l
y
en
h
a
n
ce
d
to
h
av
e
t
h
e
I
B
W
o
f
4
7
.
7
3
%
a
n
d
3
d
B
AR
B
W
o
f
4
2
.
8
%.
Mo
r
e
en
h
a
n
ce
m
en
ts
h
av
e
b
ee
n
o
b
tain
ed
o
n
th
e
I
B
W
an
d
AR
B
W
co
m
p
ar
ed
to
th
e
p
r
e
v
io
u
s
r
ef
er
en
ce
s
m
en
tio
n
ed
a
b
o
v
e
.
T
h
e
o
b
tain
e
d
I
B
W
an
d
th
e
3
d
B
AR
B
W
wer
e
9
3
.
1
%
an
d
9
0
.
9
%,
r
esp
ec
tiv
ely
.
T
h
is
ex
tr
ao
r
d
i
n
ar
y
e
n
h
an
ce
m
en
t
is
o
win
g
to
u
s
in
g
th
e
s
eq
u
en
tially
r
o
tated
f
ee
d
in
g
l
in
es
an
d
u
n
eq
u
al
c
r
o
s
s
-
s
lo
ts
[
29
]
.
I
n
a
d
d
itio
n
,
t
h
e
tr
ap
ez
o
id
al
b
o
wtie
C
D
an
ten
n
as
a
r
e
p
r
esen
ted
in
[
31
]
.
On
th
e
o
th
er
h
an
d
,
d
if
f
er
en
t
s
h
ap
es
o
f
r
ad
iatin
g
cr
o
s
s
-
d
ip
o
le
an
ten
n
a
ar
m
s
h
av
e
b
ee
n
r
e
p
o
r
ted
as
in
[
3
2
]
an
d
ar
e
u
s
ed
with
th
e
ellip
tical
s
h
ap
e,
g
iv
in
g
g
o
o
d
r
esu
lts
in
f
r
o
n
t
-
to
-
b
ac
k
r
atio
(
FB
R
)
,
I
B
W
an
d
3
d
B
A
R
B
W
wh
en
u
s
in
g
th
e
r
ef
lecto
r
ca
v
ity
.
Mo
r
e
o
v
er
,
t
h
er
e
ar
e
m
o
r
e
d
if
f
er
en
t
s
h
ap
es
ar
e
p
r
esen
ted
in
[
3
3
]
-
[3
5
]
.
T
h
e
r
ec
tan
g
u
lar
ar
m
o
f
th
e
C
DA,
r
ec
tan
g
u
lar
ar
m
s
with
e
x
ten
s
io
n
in
th
e
o
th
er
s
id
e
o
f
t
h
e
s
u
b
s
tr
ate
co
n
n
ec
te
d
b
y
v
ia
to
d
ec
r
ea
s
e
s
ize
o
f
th
e
an
ten
n
a
an
d
f
o
u
r
s
tep
r
e
ctan
g
u
lar
p
atch
with
ad
d
in
g
d
ielec
tr
ic
s
lab
ab
o
v
e
th
e
ir
r
eg
u
lar
g
r
o
u
n
d
p
la
n
e
(
r
ef
lecto
r
)
is
also
p
r
o
p
o
s
ed
.
A
ll
o
f
th
o
s
e
an
ten
n
as
ar
e
d
esig
n
ed
f
o
r
o
n
e
aim
wh
ich
is
to
en
h
an
ce
th
e
I
B
W
a
n
d
3
d
B
AR
B
W
.
Su
b
s
eq
u
en
tly
,
th
e
ar
tific
ial
m
ag
n
etic
co
n
d
u
cto
r
AM
C
is
p
r
esen
ted
in
th
e
liter
atu
r
e
with
th
e
cr
o
s
s
-
d
ip
o
le
an
ten
n
as
to
r
ed
u
ce
th
e
h
eig
h
t
wh
ich
is
eq
u
al
to
a
q
u
a
r
ter
wav
elen
g
th
in
co
n
v
en
tio
n
al
C
DA.
U
s
in
g
th
e
AM
C
o
p
er
ates
to
allev
iate
th
e
n
ee
d
to
ad
d
th
is
s
p
ac
e
b
et
wee
n
d
ip
o
le’
s
ar
m
s
a
n
d
th
e
g
r
o
u
n
d
t
o
m
a
k
e
th
e
in
ter
f
er
en
ce
b
etwe
en
s
ig
n
al
r
ad
iatin
g
f
r
o
m
th
e
d
ip
o
le
’
s
ar
m
s
an
d
b
o
u
n
cin
g
f
r
o
m
t
h
e
g
r
o
u
n
d
co
n
s
tr
u
ctiv
e.
T
h
en
,
th
e
AM
C
h
as in
-
p
h
ase
r
ef
lectio
n
,
lead
in
g
in
t
o
ad
d
in
g
t
h
e
ar
m
s
an
d
g
r
o
u
n
d
ad
jace
n
tl
y
.
Ad
d
itio
n
ally
,
th
e
AM
C
g
iv
es
n
ew
r
eso
n
an
t
f
r
e
q
u
en
cies,
im
p
r
o
v
in
g
th
e
im
p
ed
an
ce
b
a
n
d
wid
th
[
3
6]
-
[
3
8
]
.
T
h
e
r
ad
iatio
n
ar
m
s
wer
e
r
ec
tan
g
u
lar
-
s
h
a
p
ed
with
p
ar
asit
ic
s
tr
ip
s
to
g
et
a
b
r
o
ad
b
an
d
AR
wh
er
e
th
e
two
cr
o
s
s
-
asy
m
m
etr
ic
d
u
al
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
A
s
ma
ll fo
o
tp
r
in
t p
r
in
ted
cro
s
s
-
d
ip
o
le
a
n
ten
n
a
w
ith
w
id
e
imp
ed
a
n
ce
b
a
n
d
w
id
th
a
n
d
…
(
Mu
s
ta
fa
Ha
s
a
n
)
349
ar
m
s
ar
e
u
s
ed
t
o
r
ad
iate
d
u
a
l
-
b
an
d
ass
o
ciate
d
with
T
-
s
h
a
p
e
s
lits
etch
ed
o
n
th
e
u
n
it
c
ell
p
atch
o
f
AM
C
s
tr
u
ctu
r
e.
Mo
s
t
AM
C
s
tr
u
ctu
r
es
u
s
e
v
ias
(
p
in
s
)
to
co
n
n
ec
t
th
e
to
p
co
n
d
u
cto
r
with
th
e
g
r
o
u
n
d
,
b
u
t
th
er
e
is
n
o
t
f
ew
wo
r
k
s
u
s
in
g
th
e
AM
C
wit
h
o
u
t v
ias.
I
n
th
is
p
ap
er
,
we
p
r
o
p
o
s
e
a
n
ew
d
esig
n
o
f
th
e
p
r
in
ted
cr
o
s
s
-
d
ip
o
le
an
ten
n
a
with
n
ew
s
h
ap
es
ca
lled
b
o
o
m
er
a
n
g
s
h
ap
es
f
o
r
s
u
b
-
5
G
ap
p
licatio
n
s
.
T
h
e
p
r
o
p
o
s
ed
a
n
ten
n
a
h
as
a
v
er
y
g
o
o
d
im
p
ed
an
ce
b
an
d
wid
th
a
n
d
an
ac
ce
p
tab
le
3
d
B
AR
B
W
th
at
ar
e
ex
tr
em
ely
u
s
ef
u
l
f
o
r
an
t
en
n
a
ar
r
a
y
s
.
Sectio
n
2
p
r
esen
t
s
th
e
p
r
o
ce
s
s
o
f
th
e
p
r
o
p
o
s
ed
an
ten
n
a
d
esig
n
.
I
n
s
ec
tio
n
3
,
t
h
e
m
ain
k
ey
s
o
f
th
e
an
ten
n
a
d
esig
n
is
in
tr
o
d
u
ce
d
.
Fin
ally
,
s
ec
tio
n
4
co
n
clu
d
es th
is
r
esear
ch
p
ap
er
.
2.
ANT
E
NNA
D
E
SI
G
N
2
.
1
.
Ant
enna
co
nfig
ura
t
io
n
a
nd
a
nte
nn
a
o
pera
t
io
n
T
h
e
cr
o
s
s
-
d
ip
o
le
s
tr
u
ctu
r
e
is
ad
o
p
ted
h
er
e
i
n
th
is
r
esear
ch
s
tu
d
y
b
ec
a
u
s
e
o
f
its
ad
v
an
tag
e
as
m
en
tio
n
ed
in
th
e
p
r
e
v
io
u
s
s
ec
tio
n
.
T
h
e
class
ic
s
h
ap
e
in
[
18
]
was
p
r
esen
ted
in
m
a
n
y
r
esear
ch
e
f
f
o
r
ts
.
R
ec
en
tly
,
a
wid
eb
an
d
C
DA
ca
n
b
e
g
o
tten
af
ter
m
an
y
m
o
d
if
y
in
g
t
h
e
m
ain
ar
m
s
o
r
b
y
ad
d
in
g
p
a
r
asit
ic
elem
en
ts
clo
s
e
to
t
h
e
m
ai
n
r
a
d
iato
r
s
to
p
r
o
d
u
ce
s
ev
er
al
r
eso
n
an
ce
f
r
eq
u
en
cies
[
19]
-
[
2
2
]
,
[
2
4
]
-
[
2
7]
,
[
2
9
]
-
[
3
1
]
.
Her
e,
th
e
b
o
o
m
er
a
n
g
s
h
a
p
es
to
d
esig
n
d
ip
o
le
a
r
m
s
ar
e
em
p
l
o
y
ed
.
As
will
b
e
s
ee
n
later
,
th
e
b
o
o
m
e
r
an
g
ar
m
s
aid
to
m
ak
e
th
e
s
tr
u
ctu
r
e
r
eso
n
atin
g
at
s
ev
er
al
f
r
eq
u
en
cies
an
d
lead
in
g
in
t
o
a
wid
eb
an
d
s
tr
u
ctu
r
e
co
m
p
ar
ed
t
o
o
th
er
d
esig
n
s
[
28]
-
[
3
5
]
.
A
s
d
e
p
ic
t
e
d
i
n
F
i
g
u
r
e
1
a
n
d
T
a
b
l
e
1
,
t
h
e
a
n
t
e
n
n
a
is
a
p
a
i
r
o
f
b
o
o
m
e
r
a
n
g
a
r
m
s
c
o
n
n
e
c
t
e
d
to
g
e
t
h
e
r
b
y
t
h
e
f
e
e
d
i
n
g
n
e
t
w
o
r
k
a
s
d
r
i
v
e
n
e
l
e
m
e
n
ts
.
T
h
e
f
e
e
d
i
n
g
n
e
t
w
o
r
k
c
o
n
s
i
s
ts
o
f
a
p
a
i
r
o
f
v
a
c
a
n
t
q
u
a
r
t
e
r
r
i
n
g
s
[
18]
-
[
3
9
],
an
d
th
ey
ar
e
u
s
ed
to
co
n
n
ec
t
t
h
e
two
cr
o
s
s
b
o
o
m
er
an
g
ar
m
s
with
4
⁄
len
g
th
(
is
th
e
g
u
id
ed
wav
elen
g
th
at
th
e
d
esig
n
f
r
e
q
u
en
c
y
)
.
E
ac
h
s
id
e
o
f
th
e
s
u
b
s
tr
ate
h
as
a
s
in
g
le
v
ac
an
t
q
u
ar
ter
r
i
n
g
p
r
in
te
d
o
n
its
f
ac
es.
T
h
e
s
u
b
s
tr
ate
u
s
ed
in
th
e
d
esig
n
h
as
0
.
5
m
m
th
ick
n
ess
wh
er
e
its
ty
p
e
is
FR
4
(
is
4
.
4
with
lo
s
s
tan
g
en
t
o
f
0
.
0
2
)
.
T
h
e
s
em
i
-
r
ig
id
co
a
x
ial
ca
b
le
o
f
50
Ω
allo
ws
a
180
°
p
h
ase
d
if
f
er
e
n
t
b
etwe
en
th
e
two
ar
m
s
o
f
ea
ch
d
ip
o
le.
T
h
e
in
n
er
co
n
d
u
ct
o
r
o
f
th
e
SMA
is
co
n
n
ec
ted
to
th
e
to
p
ar
m
a
n
d
th
e
o
u
ter
c
o
n
d
u
cto
r
is
co
n
n
ec
ted
to
th
e
b
o
tto
m
ar
m
.
T
h
e
g
r
o
u
n
d
p
lan
e
is
p
lac
ed
o
n
h
eig
h
t
H
o
f
0
.
2
5
0
(
0
:
f
r
ee
s
p
ac
e
wav
elen
g
th
at
6
GHz
)
f
r
o
m
th
e
m
ain
r
ad
iato
r
.
T
h
e
g
r
o
u
n
d
is
a
s
q
u
ar
e
s
h
ap
e
an
d
its
s
id
e
len
g
th
L
r
is
eq
u
al
to
0
.
7
8
5
0
,
in
wh
ich
th
is
s
ize
is
o
p
tim
ized
to
m
itig
ate
t
h
e
g
r
o
u
n
d
ef
f
ec
ts
o
n
t
h
e
an
ten
n
a
p
er
f
o
r
m
an
ce
,
an
d
k
ee
p
in
g
t
h
e
o
v
er
all
s
ize
is
ac
ce
p
tab
le.
T
ab
le
1
s
u
m
m
ar
iz
es th
e
an
ten
n
a
d
im
e
n
s
io
n
s
.
(
a)
(
b
)
(
c)
Fig
u
r
e
1
.
T
h
e
g
e
o
m
etr
ical
s
tr
u
ctu
r
e
o
f
t
h
e
p
r
o
p
o
s
ed
a
n
ten
n
a
ty
p
e
-
I
:
(
a
)
to
p
v
iew
,
(
b
)
m
a
g
n
if
y
in
g
v
iew
o
f
ar
m
s
o
n
th
e
to
p
an
d
(
c)
s
id
e
v
iew
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
1
,
Octo
b
er
2
0
2
1
:
34
7
-
35
6
350
T
ab
le
1
.
A
s
u
m
m
a
r
y
o
f
th
e
a
n
ten
n
a
d
im
e
n
s
io
n
s
(
u
n
it: m
m
)
Lr
Ls
W1
W2
L1
L2
3
9
.
2
5
22
1
2
.
3
3
.
5
5
r1
r2
R
b
1
R
b
2
R
b
3
H
1
.
1
1
.
6
2
.
6
0
.
9
0
.
4
5
1
2
.
5
T
h
er
e
ar
e
two
eq
u
al
in
p
u
t
ad
m
ittan
ce
s
f
o
r
b
o
th
ar
m
s
o
f
th
e
two
cr
o
s
s
d
ip
o
le
an
ten
n
as
with
a
90
°
p
h
ase
s
h
if
t
d
if
f
er
en
ce
t
o
o
b
tai
n
th
e
C
P
ass
o
ciate
d
b
y
co
ax
ial
ca
b
les
an
d
th
e
p
h
ase
s
eq
u
en
ce
o
n
th
e
f
o
u
r
ar
m
s
will
b
e
(
0
°
.
90
°
,
180
°
270
°
)
.
T
h
e
-
10
d
B
I
B
W
is
2
.
2
4
GHz
with
a
ce
n
te
r
f
r
e
q
u
e
n
cy
o
f
6
.
3
8
GHz
an
d
3
d
B
AR
B
W
is
0
.
6
3
GHz
with
a
ce
n
ter
f
r
eq
u
e
n
cy
o
f
5
.
9
GHz
.
Mo
r
e
o
v
er
,
th
e
m
o
s
t
im
p
o
r
t
an
t
p
r
o
p
er
ty
is
th
e
cr
av
in
g
s
h
a
p
e
th
at
in
t
r
o
d
u
ce
s
2
5
%
len
g
t
h
r
ed
u
ctio
n
t
h
an
a
ll
th
e
o
th
er
C
DA
s
h
ap
es.
T
h
is
r
ed
u
ctio
n
f
o
r
m
is
v
er
y
u
s
ef
u
l
in
an
ten
n
a
ar
r
ay
s
to
in
cr
ea
s
e
s
p
ac
e
b
etwe
en
a
n
t
en
n
as
wh
ich
in
tu
r
n
r
ed
u
ce
s
t
h
e
m
u
tu
al
co
u
p
lin
g
an
d
in
cr
ea
s
e
th
e
a
n
ten
n
a
e
f
f
ici
en
cy
.
I
n
g
en
er
al,
t
h
e
p
r
o
p
o
s
ed
an
te
n
n
a
ty
p
e
-
I
o
f
f
e
r
s
g
o
o
d
r
esu
lts
.
Ho
wev
er
,
th
is
an
ten
n
a
d
o
es
n
o
t
f
u
lf
ill
o
u
r
g
o
als
in
th
is
r
esear
ch
.
E
n
h
an
cin
g
th
e
p
er
f
o
r
m
an
ce
w
h
ile
k
ee
p
in
g
o
r
r
ed
u
cin
g
th
e
s
ize
is
an
o
u
ts
tan
d
in
g
k
ey
.
T
h
e
r
esear
ch
is
co
m
m
itt
ed
to
d
o
s
o
.
T
h
e
f
ir
s
t
way
is
to
em
p
l
o
y
a
ca
v
ity
with
f
o
u
r
s
id
e
walls.
W
all
s
p
r
o
h
ib
it
s
ig
n
als
to
s
p
r
ea
d
in
a
wid
er
s
p
ac
e,
s
o
th
e
r
esu
l
tin
g
r
ad
iatio
n
b
ea
m
b
ec
o
m
es
n
ar
r
o
wer
an
d
th
e
g
ain
b
ec
o
m
es
lar
g
er
.
T
h
is
an
ten
n
a
is
ty
p
e
-
I
I
as
s
h
o
wn
in
F
ig
u
r
e
2
(
a
)
.
I
t
p
r
o
d
u
ce
s
m
o
r
e
co
n
s
is
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t
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n
a
h
a
v
in
g
g
o
o
d
m
atch
in
g
at
th
e
d
esig
n
f
r
e
q
u
en
c
y
.
A
m
ec
h
an
i
s
m
o
f
th
e
im
p
ed
a
n
ce
m
atch
i
n
g
is
q
u
alitativ
ely
,
wh
er
e
th
e
eq
u
iv
alen
t
cir
cu
it
mo
d
el
o
f
th
e
an
te
n
n
a
is
p
r
o
v
i
d
ed
in
Fig
u
r
e
4
.
T
h
e
s
y
m
b
o
l
ch
ar
ac
ter
izes
th
e
to
tal
in
p
u
t
ad
m
ittan
ce
o
f
th
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
1
,
Octo
b
er
2
0
2
1
:
34
7
-
35
6
352
p
r
o
p
o
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ed
an
ten
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m
ea
n
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th
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an
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a
with
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u
t
t
h
e
in
t
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lace
d
r
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g
u
lar
p
atch
es,
wh
er
ea
s
1
an
d
2
m
ea
n
th
e
p
a
r
allel
-
p
late
ca
p
ac
it
o
r
s
as se
en
in
Fig
u
r
e
5.
(
a)
(
b
)
Fig
u
r
e
4
.
E
q
u
iv
alen
t c
ir
c
u
it m
o
d
el
o
f
t
h
e
an
ten
n
as
Fig
u
r
e
5
.
Stru
ctu
r
e
o
f
o
v
e
r
lap
p
ed
r
ec
tan
g
u
lar
p
atch
:
(
a)
to
p
v
iew
an
d
(
b
)
b
o
tto
m
v
i
ew
T
h
e
ca
p
ac
itan
ce
o
f
p
ar
allel
-
p
late
ca
p
ac
ito
r
s
1
an
d
2
ca
n
b
e
co
n
s
id
er
e
d
wh
en
th
e
d
en
s
ity
o
f
elec
tr
ical
ch
ar
g
e
o
n
th
e
p
lates
is
u
n
if
o
r
m
,
an
d
n
eg
lect
th
e
f
r
in
g
in
g
f
ield
s
at
th
e
ed
g
es.
Fro
m
Fig
u
r
e
5
,
th
e
in
p
u
t a
d
m
ittan
ce
o
f
th
e
p
r
o
p
o
s
ed
an
ten
n
as c
an
b
e
in
d
icate
d
b
y
(
1
)
.
=
+
(
1
+
2
)
≈
+
1
2
1
ℎ
(
1
)
T
h
e
ap
p
r
o
x
im
atio
n
is
d
er
iv
e
d
f
r
o
m
th
e
s
m
all
s
lo
t
o
n
t
h
e
r
ec
tan
g
u
lar
b
o
tto
m
p
atch
th
at
r
ed
u
ce
s
th
e
o
v
er
lap
p
i
n
g
ar
ea
o
f
t
h
e
co
n
d
en
s
er
s
o
f
th
e
two
p
ar
allel
p
la
tes.
I
t
is
s
h
o
w
n
in
(
1
)
th
at
th
e
r
ec
tan
g
u
lar
p
atch
wid
th
W
an
d
len
g
th
L
1
d
ef
in
e
th
e
an
ten
n
a
in
p
u
t
ad
m
ittan
ce
Yin
.
T
h
er
ef
o
r
e
,
th
ese
two
p
ar
am
eter
s
ca
n
b
e
tu
n
ed
to
t
h
e
im
p
ed
a
n
ce
ch
a
r
ac
ter
is
tic
o
f
th
e
an
ten
n
a
to
ac
h
ie
v
e
a
g
o
o
d
im
p
ed
an
ce
.
T
h
e
s
i
m
u
l
a
t
e
d
|
S
1
1
|
-
10
d
B
I
B
W
a
n
d
3
d
b
-
A
R
r
e
s
u
l
ts
o
f
t
h
e
a
n
t
e
n
n
a
t
y
p
e
-
I
a
r
e
p
r
e
s
e
n
t
ed
i
n
F
i
g
u
r
e
6
(
a
)
.
Firstl
y
,
as
ca
n
b
e
s
ee
n
,
we
s
ee
th
e
wid
eb
an
d
im
p
ed
a
n
ce
b
an
d
wid
t
h
o
f
th
is
an
ten
n
a
an
d
also
h
av
e
an
ac
ce
p
tab
le
C
PB
W
with
o
u
t
lo
ad
in
g
a
n
y
p
ar
asit
ic
elem
en
ts
o
r
d
o
in
g
an
y
en
h
an
ce
m
e
n
t.
I
t
was
ab
o
u
t
-
10
d
B
I
B
W
o
f
4
2
.
4
7
%
(
5
.
1
-
7
.
8
5
GHz
)
an
d
th
e
3
d
B
AR
B
W
o
f
7
.
7
2
%
(
5
.
8
5
-
6.
32
GHz
)
.
I
n
ad
d
itio
n
to
th
at,
th
e
s
im
u
lated
g
ain
was
ab
o
u
t
7
.
4
d
B
i
with
ef
f
icien
cy
o
f
9
7
.
3
7
%,
an
d
th
e
o
v
er
all
s
ize
is
ab
o
u
t
(
0
.
7
8
×0
.
7
8
×0
.
2
7
0
)
.
T
h
en
,
th
e
C
DA
with
s
q
u
ar
e
-
b
o
x
ca
v
ity
is
an
al
y
ze
d
w
h
er
e
th
e
b
ac
k
-
l
o
b
e
r
ad
iatio
n
is
h
ig
h
ly
atten
u
ated
.
I
n
o
th
e
r
wo
r
d
s
,
th
i
s
s
tr
u
ctu
r
e
ca
n
o
f
f
er
b
etter
b
a
ck
-
lo
b
e
r
ed
u
ctio
n
co
m
p
ar
ed
t
o
th
e
C
DA
th
at
h
a
s
o
n
ly
s
h
ee
t
r
ef
lecto
r
(
i.e
.
,
f
lat
g
r
o
u
n
d
p
lan
e)
.
T
h
is
in
cr
ea
s
e
in
th
e
ef
f
icien
cy
is
p
r
im
ar
ily
d
u
e
to
s
u
r
f
ac
e
wav
e
s
u
p
p
r
ess
io
n
an
d
th
e
b
lo
ck
i
n
g
o
f
d
if
f
r
ac
ted
wav
es
alo
n
g
th
e
ed
g
e
o
f
th
e
g
r
o
u
n
d
p
la
n
e,
s
o
,
th
e
an
ten
n
a
ty
p
e
-
I
I
in
tr
o
d
u
ce
s
v
er
y
g
o
o
d
r
esu
lts
with
wid
eb
an
d
im
p
ed
an
ce
b
a
n
d
wid
th
wh
er
e
th
e
-
10
d
B
I
B
W
o
f
5
0
.
3
7
%
(
5
.
08
-
8
.
5
GHz
)
a
n
d
t
h
e
3
d
B
AR
B
W
o
f
2
6
.
4
%
(
5
.
7
2
-
7
.
4
6
GHz
)
,
as
s
h
o
wn
in
Fig
u
r
e
6
(
b
)
.
T
h
e
s
im
u
lated
g
ain
was
ab
o
u
t 8
.
3
d
B
i w
ith
ef
f
icien
cy
o
f
9
7
.
6
5
%.
th
er
e
is
n
o
ch
an
g
e
i
n
th
e
o
v
er
all
s
ize.
Fin
ally
,
th
e
p
r
o
p
o
s
ed
an
ten
n
a
ty
p
e
-
I
I
I
is
s
tu
d
ied
n
u
m
er
ically
to
o
b
tain
its
r
esu
lts
.
B
ef
o
r
e
in
teg
r
atin
g
th
e
co
n
v
e
n
tio
n
al
C
DA
in
to
t
h
e
AM
C
,
we
s
h
o
u
ld
an
aly
ze
an
d
ch
ec
k
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
AM
C
lay
er
.
T
o
d
o
s
o
,
a
s
in
g
le
u
n
it
-
ce
ll
is
p
lace
d
in
a
ca
v
ity
s
tr
u
ctu
r
e
to
m
im
ic
its
p
er
io
d
icity
.
T
h
is
m
eth
o
d
aid
s
to
d
ec
r
ea
s
e
th
e
s
o
lu
tio
n
t
im
e
an
d
o
f
f
er
s
r
esu
lts
clo
s
e
to
th
e
o
r
ig
in
al
s
tr
u
ctu
r
e.
T
h
e
AM
C
u
n
it
-
ce
ll
ca
n
b
e
m
o
d
eled
as
an
id
en
tical
p
ar
allel
r
eso
n
at
o
r
wi
th
a
r
eso
n
a
n
t
f
r
eq
u
e
n
cy
o
f
f
=
1
/(
2
π(
L
C
)
1
/2
)
,
h
e
r
e
C
an
d
L
r
ep
r
esen
t
eq
u
i
v
alen
t
ca
p
ac
itan
ce
an
d
in
d
u
cta
n
ce
,
r
e
s
p
ec
tiv
ely
.
T
h
e
r
an
g
e
o
f
ac
ce
p
tab
le
p
h
ases
o
f
f
er
ed
b
y
th
e
AM
C
is
f
r
o
m
-
9
0
°
t
o
9
0
°
[
3
6
]
.
Fig
u
r
e
7
s
h
o
ws
th
e
r
ef
lectio
n
p
h
ase
o
f
th
e
AM
C
s
tr
u
ctu
r
e.
Fo
r
f
u
r
th
e
r
an
al
y
s
is
o
f
th
e
p
ar
a
m
eter
ef
f
ec
t
o
n
t
h
e
r
ef
lectio
n
co
ef
f
i
cien
t
p
h
ase,
co
m
p
lete
n
u
m
er
i
ca
l
an
aly
s
is
o
f
th
e
AM
C
ce
ll
h
as
b
ee
n
co
n
d
u
cte
d
b
y
s
im
u
latio
n
s
o
f
twar
e
HFSS
.
As ca
n
b
e
s
ee
n
,
th
is
p
h
ase
r
a
n
g
e
ca
n
co
v
er
a
wid
e
b
an
d
o
f
f
r
eq
u
en
cies.
T
h
e
o
v
er
all
3
8
.
1
9
%
(
5
.
36
-
7
.
8
9
GHz
)
an
d
th
e
3
d
B
AR
B
W
is
ab
o
u
t
1
5
.
1
6
%
(
5
.
79
-
6.
7
4
GHz
)
.
T
h
e
v
er
tical
s
ize
was
r
ed
u
ce
d
to
h
alf
,
th
an
k
s
to
th
e
u
s
e
o
f
t
h
e
AM
C
lay
er
.
I
t
is
clea
r
th
at
th
e
I
B
W
le
s
s
th
an
th
e
I
B
W
o
f
th
e
An
ten
n
a
ty
p
e
-
I
d
u
e
to
th
e
u
s
e
o
f
t
h
e
A
MC
s
u
b
s
tr
ate
m
ar
tial.
Gen
er
ally
,
th
e
AM
C
lay
er
co
n
s
id
er
s
lo
s
s
y
ty
p
e
ty
p
e
b
ec
a
u
s
e
o
f
its
h
ig
h
p
er
m
itti
v
ity
b
u
t
we
ca
n
o
b
v
io
u
s
ly
s
ee
th
e
en
h
an
ce
m
en
t in
C
PAR
b
an
d
wid
th
,
as sh
o
wn
in
Fig
u
r
e
8
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
A
s
ma
ll fo
o
tp
r
in
t p
r
in
ted
cro
s
s
-
d
ip
o
le
a
n
ten
n
a
w
ith
w
id
e
imp
ed
a
n
ce
b
a
n
d
w
id
th
a
n
d
…
(
Mu
s
ta
fa
Ha
s
a
n
)
353
(
a)
(
b
)
Fig
u
r
e
6
.
Simu
lated
r
esu
lts
o
f
th
e
an
ten
n
a
r
ef
lectio
n
c
o
ef
f
ici
en
t a
n
d
AR
: (
a)
ty
p
e
-
I
a
n
d
(
b
)
ty
p
e
-
II
Fig
u
r
e
7
.
R
ef
lectio
n
p
h
ase
o
f
t
h
e
AM
C
s
tr
u
ctu
r
e
Fig
u
r
e
9
s
h
o
ws
th
e
s
im
u
lated
r
ad
iatio
n
p
atter
n
s
at
6
GHz
in
x
o
z
-
p
lan
e
a
n
d
y
o
z
-
p
lan
es.
T
h
e
p
atter
n
s
in
x
o
z
-
p
la
n
e
ar
e
s
y
m
m
etr
ical
to
th
o
s
e
in
y
o
z
-
p
la
n
e.
T
h
e
a
n
ten
n
a
g
en
e
r
ates
u
n
id
ir
ec
tio
n
al
C
P
p
atter
n
s
in
a
b
o
r
esig
h
t
d
ir
ec
tio
n
.
T
h
e
r
ig
h
t
-
h
an
d
ci
r
cu
lar
p
o
lar
izatio
n
(
R
HC
P)
i
s
h
ig
h
er
th
an
th
e
lef
t
-
h
an
d
cir
c
u
lar
p
o
lar
izatio
n
(
L
HC
P),
g
e
n
er
ati
n
g
ex
ce
p
tio
n
al
R
HC
P r
ad
iatio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
1
,
Octo
b
er
2
0
2
1
:
34
7
-
35
6
354
Fig
u
r
e
8
.
Simu
lated
r
esu
lts
o
f
th
e
an
ten
n
a
r
ef
lectio
n
c
o
ef
f
ici
en
t a
n
d
AR
ty
p
e
-
III
(
a)
(
b
)
(
c)
Fig
u
r
e
9
.
Simu
lated
r
ad
iatio
n
p
atter
n
o
f
th
e
p
r
o
p
o
s
ed
C
P C
DA
an
ten
n
a
at
6
GHz
:
(
a)
ty
p
e
-
I
,
(
b
)
ty
p
e
-
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ten
n
a
ar
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ay
s
.
RE
F
E
R
E
NC
E
S
[1
]
G
.
Bro
wn
a
n
d
J.
Ep
ste
i
n
,
“
A p
re
t
u
n
e
d
Tu
r
n
stil
e
a
n
ten
n
a
,
”
El
e
c
tro
n
.
v
o
l.
1
8
,
p
p
.
1
0
2
-
1
0
7
,
Ju
n
e
1
9
4
5
.
[2
]
P
.
H.
S
m
it
h
,
"
Clo
v
e
rlea
f’
a
n
ten
n
a
fo
r
F
.
M
.
b
ro
a
d
c
a
stin
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,
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Pro
c
e
e
d
in
g
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o
f
th
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IRE
,
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l.
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5
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5
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0
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/JR
P
ROC.1
9
4
7
.
2
3
0
9
1
2
.
[3
]
M
.
F
.
B
o
lster,
“
A
n
e
w
ty
p
e
o
f
c
i
rc
u
lar
p
o
lariz
e
r
u
si
n
g
c
r
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ss
e
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d
i
p
o
les
,
”
IRE
T
ra
n
s.
M
icr
o
wa
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T
h
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ry
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.
,
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0
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/T
M
TT
.
1
9
6
1
.
1
1
2
5
3
5
8
.
[4
]
H.
D.
Hristo
v
,
H.
Ca
rra
sc
o
,
R.
F
e
ick
,
a
n
d
G
.
S
.
Kiro
v
,
”
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a
d
b
a
n
d
two
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p
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rt
X
a
n
ten
n
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a
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fl
a
t
re
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to
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fo
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rsity
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1
0
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1
0
0
2
/m
o
p
.
2
5
6
1
6
.
[5
]
J.
Zh
a
n
g
,
H.
Ya
n
g
a
n
d
D.
Ya
n
g
,
”
De
sig
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o
f
a
Ne
w
Hi
g
h
-
G
a
in
Circu
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y
P
o
lariz
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d
A
n
ten
n
a
fo
r
I
n
m
a
rsa
t
Co
m
m
u
n
ica
ti
o
n
s,”
IE
EE
An
te
n
n
a
s
a
n
d
W
ire
les
s
Pro
p
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g
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t
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,
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p
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5
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2
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/l
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1
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1
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2
.
[6
]
J.
M
.
B
a
ra
c
c
o
,
L.
S
a
lg
h
e
tt
i
-
D
rio
l
i,
a
n
d
P
.
d
e
M
a
a
g
t,
“
AMC
lo
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wi
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fo
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ALIL
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sy
ste
m
s,”
IEE
E
T
ra
n
sa
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ti
o
n
s
o
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A
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ten
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s
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Pro
p
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6
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2
0
0
8
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4
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.
[7
]
S
.
X.
Ta,
S
.
M
e
m
b
e
r,
H.
Ch
o
o
,
I.
P
a
rk
,
a
n
d
R.
W.
Zi
o
lk
o
ws
k
i,
“
M
u
lt
i
-
Ba
n
d
,
Wi
d
e
-
Be
a
m
,
Circu
larly
P
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lariz
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d
,
Cro
ss
e
d
,
As
y
m
m
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tri
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ll
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Ba
rb
e
d
Dip
o
le
An
ten
n
a
s
fo
r
G
P
S
A
p
p
l
ica
ti
o
n
s,”
IEE
E
T
r
a
n
sa
c
ti
o
n
s
o
n
An
ten
n
a
s
a
n
d
Pro
p
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n
,
v
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l
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6
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1
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AP
.
2
0
1
3
.
2
2
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7
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1
5
.
[8
]
S
.
X.
Ta,
I.
P
a
rk
,
a
n
d
R.
W.
Z
io
lk
o
ws
k
i,
“
Circu
larly
p
o
lariz
e
d
c
ro
ss
e
d
d
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o
le
o
n
a
n
HIS
f
o
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2
.
4
/
5
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2
/5
.
8
-
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Hz
WL
AN
a
p
p
li
c
a
ti
o
n
s,”
IEE
E
A
n
ten
n
a
s
a
n
d
W
ire
les
s
Pro
p
a
g
a
ti
o
n
L
e
tt
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rs
,
v
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l
.
1
2
.
p
p
.
1
4
6
4
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4
6
7
,
2
0
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3
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1
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9
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AWP
.
2
0
1
3
.
2
2
8
8
7
8
7
.
[9
]
Y.
F.
Li
n
,
Y.
K
.
Wan
g
,
H.
M
.
C
h
e
n
,
a
n
d
Z.
-
Z.
Ya
n
g
,
”
Circu
larl
y
P
o
lariz
e
d
Cro
ss
e
d
Di
p
o
le
An
ten
n
a
Wi
t
h
P
h
a
se
De
lay
Li
n
e
s
f
o
r
R
F
ID
Ha
n
d
h
e
l
d
Re
a
d
e
r,
”
IEE
E
T
r
a
n
s
a
c
ti
o
n
s
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n
An
te
n
n
a
s
a
n
d
Pro
p
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g
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t
io
n
,
v
o
l.
6
0
,
n
o
.
3
,
p
p
.
1
2
2
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2
2
7
,
2
0
1
2
,
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p
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2
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1
.
2
1
8
0
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1
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.
[1
0
]
S
.
X.
Ta,
H.
C
h
o
o
a
n
d
I.
P
a
rk
,
”
P
lan
a
r,
Li
g
h
twe
ig
h
t,
C
ircu
larly
P
o
lariz
e
d
Cro
ss
e
d
Dip
o
le
An
te
n
n
a
fo
r
Ha
n
d
h
e
ld
UH
F
RF
ID
Re
a
d
e
r,
”
M
icr
o
wa
v
e
a
n
d
O
p
ti
c
a
l
T
e
c
h
n
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y
L
e
tt
e
rs
,
v
o
l.
5
5
.
n
o
.
8
,
p
p
.
1
8
7
4
-
1
8
7
8
,
2
0
1
3
,
d
o
i:
1
0
.
1
0
0
2
/mo
p
.
2
7
6
7
4
.
[1
1
]
Y.
L.
G
u
o
p
in
g
P
a
n
,
“
Iso
tro
p
ic
Ra
d
iatio
n
F
r
o
m
a
Co
m
p
a
c
t
P
lan
a
r
An
ten
n
a
Us
i
n
g
Two
Cro
ss
e
d
Dip
o
les
,
”
I
EE
E
An
ten
n
a
s A
n
d
W
ire
les
s P
ro
p
a
g
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ti
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,
p
p
.
1
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3
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4
1
,
2
0
1
2
,
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o
i:
1
0
.
1
1
0
9
/L
AWP
.
2
0
1
2
.
2
2
2
7
4
5
0
.
[1
2
]
S
.
X.
Ta an
d
I.
P
a
rk
,
“
Du
a
l
-
b
a
n
d
lo
w
-
p
r
o
fil
e
c
ro
ss
e
d
a
sy
m
m
e
tri
c
d
ip
o
le an
te
n
n
a
o
n
d
u
a
l
-
ba
n
d
AMC
su
rfa
c
e
,
”
IEE
E
An
ten
n
a
s
a
n
d
W
ire
les
s P
ro
p
a
g
a
t
i
o
n
L
e
tt
e
rs
,
v
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l.
1
3
.
p
p
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5
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7
-
5
9
0
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2
0
1
4
,
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i:
1
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0
9
/L
AWP
.
2
0
1
4
.
2
3
1
2
9
5
0
.
[1
3
]
J.
Wen
,
Y.
C.
Jia
o
,
Y.
X
.
Z
h
a
n
g
,
a
n
d
J.
Jia
,
“
Wi
d
e
b
a
n
d
c
ircu
larly
p
o
lariz
e
d
d
iele
c
tri
c
re
so
n
a
t
o
r
a
n
ten
n
a
l
o
a
d
e
d
with
p
a
rti
a
ll
y
re
f
lec
ti
v
e
su
rfa
c
e
,
”
In
te
rn
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
RF
a
n
d
M
i
c
ro
wa
v
e
Co
mp
u
ter
-
Ai
d
e
d
En
g
in
e
e
rin
g
,
v
o
l.
2
9
,
n
o
.
1
2
,
2
0
1
9
,
d
o
i:
1
0
.
1
0
0
2
/mm
c
e
.
2
1
9
6
2
.
[1
4
]
R.
Ku
m
a
r,
“
A
n
e
w
d
u
a
l
-
m
o
d
e
wid
e
b
a
n
d
c
irc
u
larly
p
o
lariz
e
d
d
i
e
lec
tri
c
re
so
n
a
to
r
a
n
ten
n
a
,
”
IEE
E
An
ten
n
a
s
&
Pro
p
a
g
a
tIo
n
M
a
g
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zin
e
,
2
0
1
9
,
d
o
i
:
1
0
.
1
0
0
2
/mm
c
e
.
2
1
1
5
0
.
[1
5
]
S
.
F
a
k
h
te,
H.
Ora
izi,
R.
Ka
rimia
n
,
a
n
d
R.
F
a
k
h
te,
”
A
Ne
w
Wi
d
e
b
a
n
d
Circu
larl
y
P
o
lariz
e
d
S
tair
-
S
h
a
p
e
d
Die
lec
tri
c
Re
so
n
a
to
r
An
ten
n
a
,
”
IEE
E
T
r
a
n
sa
c
ti
o
n
s
o
n
An
te
n
n
a
s
a
n
d
Pro
p
a
g
a
ti
o
n
,
v
o
l.
6
3
,
n
o
.
4
,
p
p
.
1
8
2
8
-
1
8
3
2
,
2
0
1
5
,
d
o
i:
1
0
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1
1
0
9
/t
a
p
.
2
0
1
5
.
2
3
9
2
1
3
1
.
[1
6
]
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[1
8
]
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k
,
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J.
Lee
,
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.
S
.
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n
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.
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.
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,
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9
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0
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5
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o
,
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Li
,
L
.
Wan
g
,
Z
.
Ta
n
g
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a
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d
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.
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,
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6
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n
d
T
.
K.
Ng
u
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e
n
,
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8
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[2
9
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Wu
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Y
.
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g
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L
.
Ji,
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Ya
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.
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S
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,
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i
n
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le
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fe
e
d
u
lt
r
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a
n
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c
irc
u
larly
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o
lariz
e
d
a
n
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a
wi
th
e
n
h
a
n
c
e
d
fro
n
t
-
to
-
b
a
c
k
ra
ti
o
,
”
I
EE
E
T
ra
n
s.
An
ten
n
a
s
Pro
p
a
g
.
,
v
o
l
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4
,
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2
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5
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0
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8
4
4
.
[3
3
]
J.
Re
n
,
X.
Li
a
n
g
,
J.
G
e
n
g
,
W.
Z
h
u
a
n
d
R.
Ji
n
,
“
A
wi
d
e
b
a
n
d
c
ircu
larly
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p
o
lariz
e
d
c
ro
ss
e
d
d
i
p
o
le
a
n
ten
n
a
,
”
2
0
1
7
IEE
E
6
th
Asia
-
P
a
c
if
ic
C
o
n
f
.
An
ten
n
a
s
Pr
o
p
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g
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ti
o
n
,
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0
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7
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l
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9
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2
0
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7
.
8
4
2
0
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8
6
.
[3
4
]
Z.
Ya
n
g
,
X.
H.
Wa
n
g
,
L.
Ka
n
g
,
H.
Wan
g
,
J.
Ba
o
a
n
d
X.
S
h
i,
“
A
b
ro
a
d
b
a
n
d
c
ircu
larly
p
o
lariz
e
d
a
n
ten
n
a
b
a
se
d
o
n
c
ro
ss
-
d
ip
o
les
,
”
Pro
g
.
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e
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tro
ma
g
n
.
Res
.
L
e
t
t.
,
v
o
l
.
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2
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o
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e
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p
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,
d
o
i
:
1
0
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5
2
8
/P
IER
L1
6
0
6
0
6
0
1
.
[3
5
]
W.
Ya
n
g
,
Y.
P
a
n
,
S
.
Zh
e
n
g
,
a
n
d
P
.
Hu
,
“
A
Lo
w
-
P
ro
f
il
e
Wi
d
e
b
a
n
d
Circu
larly
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o
lariz
e
d
Cro
ss
e
d
-
Di
p
o
le
An
ten
n
a
,
”
IEE
E
A
n
ten
n
a
s W
ire
l.
Pro
p
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g
.
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tt
.
,
v
o
l.
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P
.
2
0
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7
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6
9
9
9
7
5
.
[3
6
]
W.
He
,
Y.
He
,
L.
Zh
a
n
g
,
a
n
d
S
.
W.
Wo
n
g
,
“
An
Im
p
ro
v
e
d
Bro
a
d
b
a
n
d
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larl
y
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o
lariz
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d
Cro
ss
-
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o
le
An
ten
n
a
with
An
AMC
Re
flec
to
r
,
”
2
0
1
9
I
EE
E
In
t
.
Co
n
f.
M
icr
o
wa
v
e
s,
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n
ten
n
a
s
,
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mm
u
n
.
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e
c
tro
n
.
S
y
st.
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OM
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9
,
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p
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2
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1
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4
9
8
4
.
2
0
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9
.
8
9
5
8
3
1
5
.
[3
7
]
S
.
X.
Ta an
d
I.
P
a
rk
,
“
Du
a
l
-
b
a
n
d
lo
w
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p
r
o
fil
e
c
ro
ss
e
d
a
sy
m
m
e
tri
c
d
ip
o
le an
te
n
n
a
o
n
d
u
a
l
-
b
a
n
d
AMC
su
rfa
c
e
,
”
IEE
E
An
ten
n
a
s W
ire
l.
Pro
p
a
g
.
L
e
tt
.
,
v
o
l.
1
3
,
n
o
.
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n
u
a
ry
,
p
p
.
5
8
7
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5
9
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2
0
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4
,
d
o
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1
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1
1
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9
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.
2
0
1
4
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2
3
1
2
9
5
0
.
[3
8
]
S
.
X.
Ta
a
n
d
I.
P
a
rk
,
“
Artifi
c
ial
m
a
g
n
e
ti
c
c
o
n
d
u
c
t
o
r
-
b
a
se
d
c
irc
u
l
a
rly
p
o
lariz
e
d
c
r
o
ss
e
d
-
d
i
p
o
le
a
n
t
e
n
n
a
s:
1
.
AMC
stru
c
tu
re
with
g
r
o
u
n
d
i
n
g
p
i
n
s,”
R
a
d
i
o
S
c
i
.
,
v
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l.
5
2
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o
.
5
,
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p
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7
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o
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0
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/2
0
1
6
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0
0
6
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0
3
.
[
3
9
]
H
.
H
.
T
r
a
n
,
N
.
N
g
u
y
e
n
-
T
r
o
n
g
,
T
.
T
.
L
e
,
a
n
d
H
.
C
.
P
a
r
k
,
“
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i
d
e
b
a
n
d
a
n
d
M
u
l
t
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p
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l
a
r
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z
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t
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o
n
R
e
c
o
n
f
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g
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r
a
b
l
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r
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s
s
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d
B
o
w
t
i
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D
i
p
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l
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A
n
t
e
n
n
a
,
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E
E
E
T
r
a
n
s
.
A
n
t
e
n
n
a
s
P
r
o
p
a
g
.
,
v
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l
.
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5
,
n
o
.
1
2
,
p
p
.
6
9
6
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7
5
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2
0
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7
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0
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0
9
/
T
A
P
.
2
0
1
7
.
2
7
6
6
4
3
9
.
[4
0
]
A.
I.
Al
-
M
u
tt
a
iri
a
n
d
M
.
J.
F
a
rh
a
n
,
“
Circu
lar p
o
lariz
a
ti
o
n
re
c
o
n
fi
g
u
ra
b
le an
ten
n
a
fo
r
m
i
d
-
b
a
n
d
5
G
a
p
p
li
c
a
ti
o
n
s wit
h
a
n
e
w
re
c
o
n
fi
g
u
ra
b
le
tec
h
n
iq
u
e
,
”
In
d
o
n
e
si
a
n
J
o
u
r
n
a
l
o
f
El
e
c
trica
l
En
g
in
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ie
n
c
e
(IJ
EE
CS
)
,
v
o
l.
1
9
,
n
o
.
2
,
p
p
.
8
0
2
-
8
1
0
,
2
0
2
0
,
d
o
i:
1
0
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1
/
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s.v
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9
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.
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p
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.
[4
1
]
A.
Y.
I.
As
h
y
a
p
e
t
a
l.
,
“
A
we
a
ra
b
le
a
n
ten
n
a
b
a
se
d
o
n
fa
b
ric
m
a
teria
ls
with
c
ircu
lar
p
o
lariz
a
ti
o
n
f
o
r
b
o
d
y
-
c
e
n
tri
c
wire
les
s
c
o
m
m
u
n
ica
ti
o
n
s,”
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
E
n
g
i
n
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ie
n
c
e
(IJ
EE
CS
)
,
v
o
l.
1
8
,
n
o
.
1
,
p
p
.
3
3
5
-
3
4
2
,
2
0
1
9
,
d
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1
0
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1
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jee
c
s.v
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8
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i
1
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p
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3
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4
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.
[4
2
]
A.
S
a
b
a
h
a
n
d
M
.
J
.
F
r
h
a
n
,
“
A
n
e
w
p
a
tch
a
n
ten
n
a
fo
r
u
lt
ra
wi
d
e
b
a
n
d
c
o
m
m
u
n
ica
ti
o
n
a
p
p
li
c
a
ti
o
n
s,”
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
E
n
g
i
n
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ien
c
e
(IJ
EE
CS
)
,
v
o
l.
1
8
,
n
o
.
2
,
p
p
.
8
4
8
-
8
5
5
,
2
0
2
0
,
d
o
i:
1
0
.
1
1
5
9
1
/
ij
e
e
c
s.v
1
8
.
i
2
.
P
P
8
4
8
-
8
5
5
.
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