I
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n J
o
urna
l o
f
E
lect
rica
l En
g
ineering
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m
p
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t
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Science
Vo
l.
10
,
No
.
2
,
May
201
8
,
p
p
.
6
4
8
~6
5
3
I
SS
N:
2502
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4752
,
DOI
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[
1
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[
2
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[
3
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.
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0
MH
z
d
u
al
-
m
o
d
e
MI
M
O
DR
A
is
p
r
o
p
o
s
ed
f
o
r
L
T
E
b
ase
s
tatio
n
s
.
T
h
e
an
ten
n
a
d
e
m
o
n
s
tr
ated
a
r
etu
r
n
lo
s
s
m
o
r
e
t
h
an
1
2
d
B
at
th
e
o
p
er
atin
g
f
r
eq
u
e
n
c
y
.
I
n
[
1
8
]
,
a
MI
MO
R
ec
ta
n
g
u
lar
Dielec
tr
ic
R
eso
n
ato
r
An
te
n
n
a
(
R
DR
A
)
f
o
r
L
T
E
ap
p
licatio
n
s
is
p
r
ese
n
ted
.
T
h
e
p
r
o
p
o
s
e
d
an
ten
n
a
is
ex
c
ited
u
s
i
n
g
co
p
lan
ar
w
a
v
e
g
u
id
e
(
C
P
W
)
f
o
r
P
o
r
t
1
an
d
co
ax
ial
p
r
o
b
e
f
o
r
P
o
r
t
2
w
h
ic
h
d
e
m
o
n
s
tr
ated
a
r
etu
r
n
lo
s
s
m
o
r
e
t
h
a
n
2
0
d
B
.
Ho
w
ev
er
,
all
th
e
p
r
o
p
o
s
ed
MI
MO
DR
A
co
m
m
o
n
l
y
d
e
v
elo
p
ed
b
y
i
m
p
le
m
e
n
ti
n
g
a
b
asic
r
ec
tan
g
u
lar
s
h
ap
e
d
ielec
tr
ic
r
eso
n
ato
r
as th
e
r
ad
iatio
n
ele
m
e
n
t
w
h
ich
i
s
li
m
it t
h
e
b
an
d
w
id
t
h
p
er
f
o
r
m
a
n
ce
.
T
h
er
ef
o
r
e,
a
MI
MO
H
-
s
h
ap
e
d
ielec
tr
ic
r
eso
n
ato
r
a
n
t
en
n
a
(
DR
A
)
i
s
d
esi
g
n
ed
a
n
d
s
i
m
u
lat
ed
f
o
r
L
T
E
ap
p
licatio
n
s
.
C
er
a
m
ic
DR
A
with
d
ielec
tr
ic
co
n
s
ta
n
t o
f
1
0
an
d
tan
lo
s
s
0
f
0
.
0
0
1
9
h
as b
ee
n
u
s
ed
i
n
t
h
is
p
r
o
j
ec
t.
B
asicall
y
,
H
-
s
h
ap
e
DR
is
d
ev
elo
p
ed
b
y
r
e
m
o
v
in
g
s
ev
er
al
p
ar
ts
o
f
t
h
e
R
ec
tan
g
u
lar
-
s
h
ap
e
DR
.
B
y
d
o
in
g
t
h
i
s
,
th
e
e
f
f
ec
tiv
e
p
er
m
itti
v
it
y
o
f
t
h
e
w
h
o
le
DR
v
o
l
u
m
e
is
r
ed
u
ce
d
an
d
co
n
s
eq
u
e
n
tl
y
i
n
cr
ea
s
ed
th
e
i
m
p
ed
a
n
ce
b
an
d
w
id
t
h
(
B
W
)
o
f
th
e
p
r
o
p
o
s
ed
DR
A
[
1
7
]
.
I
n
th
is
w
o
r
k
,
a
MI
MO
H
-
s
h
ap
e
DR
A
is
d
esi
g
n
ed
an
d
s
i
m
u
lated
u
s
i
n
g
C
ST
s
o
f
t
w
ar
e
w
i
th
t
w
o
d
if
f
er
en
t
f
ee
d
i
n
g
m
ec
h
a
n
is
m
s
at
P
o
r
t
1
an
d
P
o
r
t
2
.
T
h
e
o
b
tain
ed
s
i
m
u
la
ted
r
esu
lt
s
o
f
MI
MO
H
-
s
h
ap
e
DR
A
ar
e
co
m
p
ar
ed
to
th
e
s
i
m
u
lated
r
esu
lts
o
f
b
asic
R
ec
ta
n
g
u
lar
-
s
h
ap
e
DR
A
f
o
r
d
esig
n
v
er
i
f
icatio
n
s
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
B
asicall
y
,
t
h
e
H
-
s
h
ap
e
DR
A
is
d
ev
elo
p
ed
f
r
o
m
t
h
e
b
as
ic
R
ec
tan
g
u
lar
-
s
h
ap
e
Dielec
tr
ic
R
eso
n
ato
r
An
te
n
n
a
(
R
D
R
A
)
as
ca
n
b
e
s
e
en
i
n
F
ig
u
r
e
1
.
T
h
er
e
ar
e
th
r
e
e
s
ta
g
es
i
n
o
r
d
er
to
co
n
s
tr
u
ct
H
-
s
h
ap
e
D
R
A
f
r
o
m
th
e
b
asic
R
DR
A
.
T
h
e
f
ir
s
t
s
ta
g
e,
a
s
ize
o
f
R
ec
tan
g
u
lar
Diel
ec
tr
ic
R
eso
n
ato
r
(
R
D
R
)
w
it
h
d
i
m
en
s
io
n
s
o
f
(
7
0
×
6
0
×
1
.
6
)
m
m
3
(
L
×
W
×
H
)
is
d
esig
n
ed
an
d
m
o
u
n
ted
o
n
FR
4
s
u
b
s
tr
ate
as
s
h
o
w
n
i
n
Fi
g
u
r
e
1
(
a)
.
T
h
e
s
ec
o
n
d
s
ta
g
e,
a
p
o
r
tio
n
o
f
v
ac
u
u
m
f
il
led
cu
b
e
w
i
th
d
i
m
e
n
s
i
o
n
s
o
f
a1
x
b
1
i
s
i
n
s
er
ted
an
d
r
e
m
o
v
ed
f
r
o
m
t
h
e
lo
w
er
s
id
e
o
f
R
D
R
,
w
h
ic
h
ca
u
s
e
s
e
m
p
t
y
c
u
b
e
to
r
em
ai
n
at
th
e
l
o
w
er
s
id
e
o
f
R
D
R
as
s
h
o
w
n
in
Fi
g
u
r
e
1
(
b
)
.
T
h
is
m
ak
e
s
U
-
s
h
ap
e
DR
is
f
o
r
m
ed
f
r
o
m
t
h
e
b
asic
R
D
R
.
T
h
e
th
ir
d
s
tag
e,
a
p
o
r
tio
n
o
f
v
ac
u
u
m
f
illed
cu
b
e
w
it
h
d
i
m
en
s
io
n
s
o
f
a1
x
b
1
is
in
s
er
ted
an
d
r
em
o
v
ed
f
r
o
m
t
h
e
u
p
p
er
s
id
e
o
f
U
-
s
h
ap
e
DR
,
w
h
ich
ca
u
s
es
t
w
o
e
m
p
t
y
cu
b
es to
r
e
m
ai
n
at
b
o
t
h
s
id
e
s
o
f
t
h
e
b
asic
R
D
R
.
T
h
is
m
a
k
es
H
-
s
h
ap
e
DR
is
f
o
r
m
ed
f
r
o
m
t
h
e
b
asic
R
D
R
.
No
te
th
at,
th
e
s
elec
ted
v
al
u
es
f
o
r
a
g
o
o
d
i
m
p
ed
an
ce
m
atc
h
i
n
g
a
n
d
r
etu
r
n
lo
s
s
is
d
ec
id
ed
as
a1
=
4
m
m
a
n
d
b
1
=
1
2
m
m
a
f
ter
p
er
f
o
r
m
in
g
p
ar
a
m
etr
ic
s
tu
d
ies.
(
a)
(
b
)
(
c)
Fig
u
r
e
1
.
DR
A
C
u
tti
n
g
P
r
o
ce
d
u
r
es
(
a)
R
ec
tan
g
u
lar
Sh
ap
ed
(
b
)
U
-
Sh
ap
ed
an
d
(
c)
H
-
S
h
ap
ed
T
h
en
,
t
w
o
f
ee
d
er
m
ec
h
an
is
m
s
ar
e
in
teg
r
ated
i
n
to
t
h
e
H
-
s
h
ap
e
DR
A
i
n
o
r
d
er
to
m
a
k
e
it
b
e
h
av
e
li
k
e
a
MI
MO
an
te
n
n
a
a
s
s
h
o
w
n
i
n
F
ig
u
r
e
2
.
First
i
s
m
icr
o
s
tr
ip
li
n
e
w
it
h
s
lo
t
co
u
p
li
n
g
a
n
d
s
ec
o
n
d
is
co
ax
ial
p
r
o
b
e.
T
h
e
len
g
t
h
s
lo
t
o
f
t
h
e
ap
er
tu
r
e
co
u
p
le
is
L
s
=
1
7
m
m
a
n
d
th
e
w
id
t
h
o
f
t
h
e
ap
er
tu
r
e
co
u
p
le
i
s
W
s
=
2
m
m
.
T
h
e
r
ad
iu
s
f
o
r
all
t
h
e
p
r
o
b
e
is
,
c1
=
1
.
1
m
m
,
c2
=
2
.
4
m
m
,
a
n
d
c
3
=
3
.
0
m
m
.
T
h
e
h
eig
h
t
o
f
p
r
o
b
e
is
H
=
1
8
m
m
.
T
h
e
in
p
u
t i
m
p
ed
a
n
ce
f
o
r
b
o
th
f
ee
d
er
s
is
5
0
Oh
m
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4752
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
10
,
No
.
2
,
Ma
y
2
0
1
8
:
6
4
8
–
6
5
3
650
(
a)
(
b
)
(
c)
Fig
u
r
e
2
.
MI
MO
H
-
S
h
ap
ed
DR
A
Geo
m
etr
y
(
a)
P
er
s
p
ec
tiv
e
Vie
w
(
b
)
T
o
p
Vie
w
(
c)
B
ac
k
Vie
w
.
3.
RE
SU
L
T
S
A
ND
AN
AL
Y
SI
S
I
n
th
i
s
s
ec
tio
n
,
t
h
e
o
b
tain
ed
s
i
m
u
lated
r
esu
lts
f
r
o
m
MI
MO
H
-
s
h
ap
e
D
R
A
is
d
i
s
cu
s
s
ed
a
n
d
co
m
p
ar
ed
to
th
e
s
i
m
u
lated
r
es
u
lts
o
f
th
e
b
asic
r
ec
tan
g
u
lar
-
s
h
ap
e
DR
A
.
First,
t
h
e
s
i
m
u
lated
r
etu
r
n
lo
s
s
,
b
an
d
w
id
t
h
,
a
n
d
r
eso
n
an
t
f
r
eq
u
e
n
c
y
o
f
MI
MO
H
-
s
h
ap
e
D
R
A
i
s
p
r
ese
n
ted
i
n
Fig
u
r
e
3
.
Fro
m
th
is
s
i
m
u
lated
r
esu
lt
s
,
b
o
th
p
o
r
ts
o
f
th
e
p
r
o
p
o
s
ed
MI
MO
H
-
s
h
a
p
e
DR
A
s
h
o
w
s
a
s
l
ig
h
tl
y
d
i
f
f
er
en
t
i
n
ter
m
o
f
r
eso
n
an
ce
f
r
e
q
u
en
c
y
,
i
m
p
ed
a
n
ce
b
an
d
w
id
t
h
,
a
n
d
r
etu
r
n
lo
s
s
.
As
ca
n
b
e
s
ee
n
,
P
o
r
t
1
is
r
e
s
o
n
ated
at
2
.
6
GHz
w
it
h
a
r
etu
r
n
lo
s
s
o
f
1
9
d
B
an
d
i
m
p
ed
an
ce
b
an
d
w
id
th
o
f
2
6
.
0
%
f
r
o
m
2
.
2
GHz
t
o
2
.
8
GHz
.
Mea
n
w
h
ile,
P
o
r
t
2
is
r
eso
n
ated
at
2
.
6
5
GHz
w
it
h
a
r
etu
r
n
lo
s
s
o
f
1
8
d
B
an
d
im
p
ed
an
ce
b
an
d
w
id
t
h
o
f
1
1
.
5
%
f
r
o
m
2
.
5
GHz
to
2
.
8
GHz
.
A
s
lig
h
t
d
if
f
er
en
ce
i
s
d
u
e
to
th
e
u
s
e
o
f
d
if
f
er
en
t
t
y
p
es
o
f
f
ee
d
in
g
m
ec
h
a
n
i
s
m
b
et
wee
n
b
o
th
p
o
r
ts
.
Ho
w
ev
er
,
i
n
t
h
is
ca
s
e,
Mic
r
o
s
tr
ip
w
it
h
s
lo
t
co
u
p
ler
at
P
o
r
t
1
s
h
o
w
s
a
g
o
o
d
f
ee
d
er
m
ec
h
an
i
s
m
co
m
p
ar
ed
to
co
ax
ial
p
r
o
b
e
at
P
o
r
t
2
b
ased
o
n
th
e
s
i
m
u
lated
r
eso
n
a
n
t
f
r
eq
u
en
c
y
,
b
an
d
w
id
t
h
,
an
d
r
etu
r
n
lo
s
s
p
er
f
o
r
m
an
ce
.
T
h
er
ef
o
r
e,
s
i
m
u
l
ated
d
ata
o
f
MI
MO
H
-
s
h
ap
e
DR
A
at
P
o
r
t 1
is
u
s
e
d
to
co
m
p
ar
ed
w
it
h
s
i
m
u
lated
d
ata
o
f
t
h
e
b
asic Recta
n
g
u
lar
-
s
h
ap
e
DR
A
.
Fig
u
r
e
3
.
Si
m
u
lated
R
et
u
r
n
L
o
s
s
,
B
an
d
w
id
th
a
n
d
R
eso
n
an
t
F
r
eq
u
en
c
y
o
f
MI
MO
H
-
Sh
ap
ed
DR
A
.
T
h
en
,
a
co
m
p
ar
is
o
n
b
et
w
ee
n
s
i
m
u
lated
r
etu
r
n
lo
s
s
a
n
d
im
p
ed
a
n
ce
b
an
d
w
id
th
b
et
w
ee
n
th
e
b
asi
c
r
ec
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tech
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RE
F
E
R
E
NC
E
S
[1
]
J
Lee
,
Y
Ho
n
g
,
S
Ba
e
,
G
S
Ab
o
,
W
S
e
o
n
g
,
G
Ki
m
.
“
M
in
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re
L
o
n
g
-
ter
m
E
v
o
lu
ti
o
n
(L
T
E)
M
IM
O
F
e
rrit
e
A
n
ten
n
a
”
.
in
IEE
E
A
n
ten
n
a
s W
ire
les
s P
ro
p
a
g
a
ti
o
n
L
e
tt
e
r
.
2
0
1
1
;
10
:
6
0
3
–
6
0
6
.
[2
]
HS
W
o
n
g
,
M
T
Isla
m
,
S
Kib
ria.
“
De
sig
n
a
n
d
Op
ti
m
iz
a
t
io
n
o
f
LT
E
1
.
8
G
Hz
M
IM
O
a
n
ten
n
a
”
.
in
S
c
ien
c
e
W
o
rld
J
o
u
rn
a
l
.
2
0
1
4
:
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–
10
.
[3
]
J
Lu
,
Z
L
in
.
“
P
lan
a
r
C
o
m
p
a
c
t
LT
E/
WW
A
N
M
o
n
o
p
o
le
A
n
ten
n
a
f
o
r
T
a
b
let
Co
m
p
u
ter
A
p
p
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c
a
ti
o
n
”
.
in
IEE
E
An
ten
n
a
s W
ire
les
s P
ro
p
a
g
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ti
o
n
L
e
tt
e
r
.
2
0
1
3
;
1
:
1
4
7
–
1
5
0
.
[4
]
G
T
J
e
o
n
g
,
S
Ch
o
i
,
K L
e
e
,
W
S
Kim
.
“
L
o
w
-
p
ro
f
il
e
Du
a
l
-
w
id
e
b
a
n
d
M
IM
O A
n
ten
n
a
w
it
h
L
o
w
ECC
fo
r
L
T
E
a
n
d
W
i
-
F
i
A
p
p
li
c
a
ti
o
n
s
”
.
in
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
A
n
ten
n
a
s
a
n
d
Pro
p
a
g
a
ti
o
n
.
2
0
1
4
:
1
-
6
.
[5
]
MS
S
h
a
ra
w
i,
S
S
Iq
b
a
l,
Y
S
F
a
o
u
r
i.
“
A
n
8
0
0
M
Hz
2
×
1
C
o
m
p
a
c
t
M
IM
O
A
n
ten
n
a
S
y
ste
m
f
o
r
LT
E
Ha
n
d
se
ts
”
.
i
n
IEE
E
T
ra
n
sa
c
ti
o
n
a
n
d
A
n
ten
n
a
s
Pro
p
a
g
a
g
i
o
n
.
2
0
1
1
;
5
9
:
3
1
2
8
–
3
1
3
1
.
[6
]
H
Ba
e
,
F
J
Ha
ra
c
k
ie
w
i
c
z
,
M
P
a
rk
,
T
Ki
m
,
N
Ki
m
,
D
Ki
m
,
B
L
e
e
.
“
Co
m
p
a
c
t
M
o
b
il
e
Ha
n
d
se
t
M
IM
O
A
n
ten
n
a
f
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r
LT
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7
0
0
M
Hz
A
p
p
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c
a
ti
o
n
s
”
.
in
M
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o
wa
v
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Op
t
ic a
n
d
T
e
c
h
n
o
lo
g
y
L
e
tt
e
r
.
2
0
1
6
;
5
2
:
2
4
1
9
–
2
4
2
2
.
[7
]
S
F
Ro
sla
n
,
M
R
Ka
m
a
ru
d
in
,
M
Kh
a
li
ly
,
M
H
Ja
m
a
lu
d
d
in
.
“
A
n
M
I
M
O Rec
tan
g
u
lar Diele
c
tri
c
Re
so
n
a
to
r
A
n
ten
n
a
f
o
r
4
G
A
p
p
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ti
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n
s
”
.
in
I
EE
E
A
n
ten
n
a
s W
ire
les
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p
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g
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ti
o
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L
e
tt
e
r
.
2
0
1
4
;
1
3
:
3
2
1
–
3
2
4
.
[8
]
RK
Ch
a
u
d
h
a
ry
,
R
Ku
m
a
r,
KV
S
riv
a
sta
v
a
.
“
W
id
e
b
a
n
d
Rin
g
Die
lec
tri
c
Re
so
n
a
to
r
A
n
ten
n
a
w
it
h
A
n
n
u
lar
-
sh
a
p
e
d
M
icro
strip
f
e
e
d
”
.
in
IEE
E
An
te
n
n
a
s W
ire
les
s P
ro
p
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g
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ti
o
n
L
e
tt
e
r
.
2
0
1
3
;
1
2
:
5
9
5
–
5
9
8
.
[9
]
R
Ch
a
ir,
A
A
Kish
k
,
K
F
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.
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[1
3
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4
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6
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Pr
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lec
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4
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4
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7
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m
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in
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2
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1
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1
5
–
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8
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[1
8
]
B
Ya
n
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JT
Be
rn
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rd
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sig
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IM
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4
4
.
[1
9
]
P
Re
z
a
e
i,
M
Ha
k
k
a
k
,
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F
o
ro
o
ra
g
h
i.
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sig
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o
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n
d
DRA
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it
h
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o
-
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e
g
m
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tru
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tu
re
”
.
in
Pro
g
re
ss
In
El
e
c
tro
ma
g
n
e
ti
c
s R
e
se
a
rc
(
PIE
R)
.
2
0
0
6
;
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:
1
1
1
-
1
2
1
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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