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op
os
e
d i
n
[
22]
f
or
L
T
E
m
obi
l
e
de
v
i
c
e
a
ppl
i
c
a
t
i
on
w
h
i
c
h r
e
l
i
e
d on
n
e
u
t
r
a
l
i
z
a
t
i
on
l
i
n
e
c
on
c
e
pt
i
n
or
de
r
t
o
r
ed
u
ce t
h
e
m
u
t
u
al
co
u
p
l
i
n
g
.
A
d
es
i
g
n
f
o
r
a 2
X
2
M
I
M
O
p
at
ch
an
t
e
n
n
a
f
o
r
m
u
lti
-
b
an
d
ap
p
l
i
cat
i
o
n
s
w
as
pr
op
os
e
d i
n
[
23]
u
s
i
ng
g
r
ou
p
s
of
r
i
ng
s
a
t
f
ou
r
c
or
n
e
r
s
a
nd
n
e
a
r
t
h
e
s
t
e
ppe
d c
u
t
i
n
a
ddi
t
i
on
t
o
a
m
i
d
-
sl
o
t
s
e
p
a
r
a
t
i
o
n i
n o
r
d
e
r
t
o r
e
d
uc
e
t
he
m
ut
ua
l
c
o
up
l
i
n
g.
A
no
t
he
r
M
I
M
O
a
nt
e
nna
d
e
s
i
gn
w
a
s
p
r
o
p
o
s
e
d i
n [
2
4
]
f
o
r
fo
u
r
-
el
e
m
en
t
D
u
al
-
ba
n
d ou
t
pu
t
w
hi
c
h
h
a
d
f
ou
r
bo
w
t
i
e
di
pol
e
a
n
t
e
nn
a
,
t
h
a
t
de
s
i
g
n h
a
d
f
ou
r
t
y
pe
s
o
f
g
r
oun
d
p
l
an
e p
at
t
er
n
s
w
h
i
c
h
ar
e
f
u
l
l
,
co
r
n
er
ed
s
p
at
i
al
,
cr
o
s
s
ed
m
i
d
d
l
e,
an
d
s
p
i
r
al
.
A
l
o
w
m
u
t
u
al
co
u
p
l
i
n
g
d
u
al
-
ba
n
d
M
I
M
O
m
i
cr
o
s
t
r
i
p
2
X
2
an
t
e
n
n
a
w
i
t
h
p
ar
as
i
t
i
c ai
r
g
ap
t
o
r
ed
u
ce t
h
e
m
ut
u
a
l
c
ou
pl
i
n
g
w
a
s
pr
opos
e
d i
n
[
25]
.
T
h
es
e M
I
M
O
an
t
en
n
a d
es
i
g
n
s
w
h
i
ch
w
er
e p
r
o
p
o
s
ed
f
o
r
m
u
l
t
i
p
l
e f
r
eq
u
e
n
c
y
o
p
er
at
i
o
n
s
h
ad
co
m
p
l
i
cat
ed
s
t
r
u
ct
u
r
es
an
d
t
h
e
y
d
i
d
n
o
t
h
av
e a
v
er
y
l
o
w
m
u
t
u
al
co
u
p
l
i
n
g
co
m
p
ar
ed
t
o
t
h
e r
et
u
r
n
l
o
s
s
es
f
o
r
t
h
ei
r
co
r
r
es
p
o
n
d
i
n
g
MI
M
O
a
n
te
n
n
a
e
le
m
e
n
ts
.
T
h
e p
r
o
p
o
s
ed
M
I
M
O
b
o
w
t
i
e
an
t
en
n
a
m
a
y
o
p
er
at
e at
s
i
x
f
r
eq
u
en
c
y
b
an
d
s
b
y
t
h
e
ad
d
ed
s
i
x
i
n
t
er
n
a
l
m
et
al
l
i
c
s
t
r
i
p
s
a
n
d
t
h
e r
ect
an
g
u
l
ar
i
n
t
er
co
n
n
ect
ed
p
ar
as
i
t
i
c
el
e
m
e
n
t
s
f
o
r
each
M
I
MO
an
t
en
n
a
el
e
m
en
t
[
2
6
]
.
T
h
e
m
e
ta
ll
ic
s
tr
ip
s
a
r
e
f
ix
e
d
v
e
r
tic
a
l
l
y
b
ut
va
r
i
a
b
l
e
b
y
w
i
d
t
h ho
r
i
z
o
nt
a
l
l
y f
o
r
t
u
ni
ng t
he
f
r
e
q
ue
nc
y
.
T
he
i
n
t
er
co
n
n
ect
ed
p
ar
as
i
t
i
c el
e
m
e
n
t
s
ar
e f
i
x
ed
i
n
t
h
ei
r
d
i
m
e
n
s
i
o
n
s
.
T
h
e p
r
o
p
o
s
ed
MI
MO
b
o
w
t
i
e an
t
en
n
a co
n
s
i
s
t
s
o
f
f
o
u
r
l
o
ad
ed
el
e
m
en
t
s
w
i
t
h
t
h
e s
a
m
e s
t
r
u
ct
u
r
e;
eac
h
an
t
e
n
n
a el
e
m
e
n
t
i
s
p
l
aced
at
a co
r
n
er
.
N
ex
t
s
ect
i
o
n
s
w
i
l
l
d
i
s
cu
s
s
t
h
e s
t
r
u
ct
u
r
e an
d
t
h
e o
b
t
ai
n
ed
r
es
u
l
t
s
f
o
r
t
h
e M
I
M
O
b
o
w
t
i
e an
t
en
n
a.
2.
ANT
E
NNA
G
E
O
M
E
T
RY A
ND DE
S
I
G
N
C
P
W
an
t
en
n
a
s
can
h
av
e
v
ar
i
et
y
o
f
s
h
ap
es
s
u
ch
as
s
q
u
ar
e,
r
ect
an
g
l
e an
d
t
r
i
an
g
l
e.
T
h
e l
o
cat
i
o
n
o
f
t
h
e
an
t
en
n
a
f
eed
l
i
n
e i
s
d
i
r
ect
l
y
r
e
l
at
ed
t
o
t
h
e r
ad
i
at
ed
cr
o
s
s
-
p
o
l
ar
i
zed
co
m
p
o
n
e
n
t
s
a
n
d
s
u
r
f
ac
e ex
ci
t
ed
cu
r
r
e
n
t
s
i
n
C
P
W
an
t
en
n
a
s
.
R
F
f
r
eq
u
en
c
y
ap
p
l
i
cat
i
o
n
s
,
an
t
e
n
n
a ar
r
a
y
s
an
d
r
ad
ar
ap
p
l
i
cat
i
o
n
s
ar
e ex
am
p
l
e
s
o
f
a
ppl
i
c
a
t
i
on
s
f
or
C
P
W
a
n
t
e
nna
s
.
T
h
e
or
i
g
i
n
a
l
s
i
n
g
l
e
un
l
oa
de
d bow
t
i
e
a
nt
e
n
na
ha
s
t
he
f
o
l
l
o
w
i
ng
s
ub
s
t
r
a
t
e
(
A
r
l
on
C
u
C
l
a
d 217 (
t
m
)
w
i
t
h
a
2.
17 di
e
l
e
c
t
r
ic
c
o
n
s
ta
n
t)
d
i
m
e
n
s
io
n
s
: w
id
t
h
=
6
4
mm,
l
e
n
g
t
h
=
3
4
mm a
n
d
he
i
g
ht
=
2
m
m
[
2
7
]
a
s
s
ho
w
n i
n
F
i
g
ur
e
1
.
I
t
can
o
p
er
at
e at
o
n
e f
r
eq
u
e
n
c
y
b
an
d
ar
o
u
n
d
1
0
G
H
z,
T
h
e l
u
m
p
ed
por
t
f
e
e
d h
a
s
50
O
h
m
s
b
et
w
ee
n
t
h
e
C
P
W
an
t
en
n
a f
eed
l
i
n
e.
F
i
gu
r
e
1.
D
i
m
e
n
s
i
o
n
s
f
or
t
h
e
un
l
oa
de
d s
i
ng
l
e
bo
w
t
i
e
a
n
t
e
n
n
a
:
L
a
=
42
m
m
.
L
=
20.
5
m
m
,
W
a
=
12.
7 m
m
,
L
w
=
12
m
m
,
W
w
=
0.
6
m
m
,
α
=
52
a
n
d
P
=
1
m
m
[
27]
F
i
g
ur
e
2
s
h
o
w
s
t
h
e
s
t
r
u
ct
u
r
e
f
o
r
a l
o
ad
e
d
s
i
n
g
l
e
M
I
MO
an
t
e
n
n
a el
e
m
e
n
t
w
i
t
h
t
h
e
m
et
al
l
i
c
s
t
r
i
p
s
an
d
t
h
e i
n
t
er
co
n
n
ect
ed
p
ar
as
i
t
i
c
r
ect
an
g
u
l
ar
co
m
p
o
n
e
n
t
s
.
F
i
g
ur
e
3
d
em
o
n
s
t
r
at
es
t
h
e s
t
r
u
c
t
u
r
e o
f
t
h
e M
I
M
O
an
t
en
n
a
w
h
i
c
h
co
n
s
i
s
t
s
o
f
f
o
u
r
i
d
en
t
i
cal
l
o
ad
ed
an
t
e
n
n
as
w
i
t
h
t
h
e
s
a
m
e
s
tr
u
c
t
u
r
e
o
f
m
e
ta
llic
s
tr
ip
s
a
n
d
i
n
t
er
co
n
n
ect
ed
p
ar
as
i
t
i
c r
ect
an
g
u
l
ar
co
m
p
o
n
e
n
t
s
.
T
h
e
w
i
d
t
h
W
s
f
o
r
t
h
e
m
et
al
l
i
c s
t
r
i
p
s
w
a
s
s
et
t
o
a s
p
eci
f
i
c
v
al
u
e
i
n
o
r
d
er
t
o
ach
i
ev
e s
i
x
f
r
eq
u
en
c
y
b
an
d
s
f
o
r
al
l
t
h
e f
o
u
r
l
o
ad
ed
an
t
e
n
n
a
el
e
m
e
n
t
s
.
T
h
e
h
o
r
i
zo
n
t
al
d
i
s
t
an
ce b
et
w
ee
n
t
h
e ed
g
e
s
o
f
t
h
e
v
er
t
i
cal
MI
M
O
el
e
m
en
t
p
ai
r
s
i
s
2
2
m
m
a
n
d
t
h
e
v
er
t
i
c
al
d
i
s
t
an
ce
b
et
w
een
t
h
e ed
g
es
o
f
t
h
e h
o
r
i
zo
n
t
al
M
I
MO
p
ai
r
s
i
s
2
0
.
6
m
m
.
T
h
e d
i
m
en
s
i
o
n
s
o
f
t
h
e M
I
M
O
a
n
t
en
n
a s
u
b
s
t
r
at
e ar
e 1
2
8
m
m
f
or
l
e
ng
t
h
a
n
d 68
m
m
f
or
w
i
dt
h
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
20
88
-
8708
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
,
V
o
l.
8
, N
o
.
5
,
O
c
t
obe
r
20
18
:
311
8
-
3128
3120
F
i
g
ur
e
2
A l
oa
de
d bow
t
i
e
a
n
t
e
n
n
a
e
l
e
m
e
n
t
s
t
r
u
c
t
u
r
e
w
i
t
h
t
h
e
f
ol
l
o
w
i
ng
di
m
e
n
s
i
on
s
:
L
s
1=
4
m
m
.
L
s
2=
13
m
m
,
L
s
3=
5 m
m
,
L
s
4=
2.
4 m
m
,
L
s
5=
1.
5 m
m
,
L
s
6=
1 m
m
,
L
s
7=
14
m
m
,
L
s
8=
1 m
m
,
L
s
9=
3 m
m
,
L
s
10=
6
m
m
,
L
s
11=
5 m
m
F
i
g
ur
e
3
T
h
e M
I
M
O
an
t
en
n
a
s
t
r
u
ct
u
r
e
w
i
t
h
t
h
e f
o
l
l
o
w
i
n
g
d
i
m
en
s
i
o
ns
:
L
1=
22 m
m
,
L
2=
20.
6 m
m
a
n
d
L
3=
11 m
m
3.
S
IM
U
LA
TIO
N
R
ES
U
L
TS
AND DI
S
CUS
S
I
O
N
T
he
o
r
i
gi
na
l
r
e
t
ur
n l
o
s
s
f
o
r
t
he
u
nl
o
a
d
e
d
s
i
n
gl
e
a
nt
e
n
na
i
s
s
ho
w
n
i
n
F
i
g
ur
e
4 [
24]
.
F
R
4_e
poxy
h
av
i
n
g
a 4
.
4
d
i
el
ect
r
i
c co
n
s
t
an
t
m
a
t
er
i
al
w
as
u
s
ed
as
a s
u
b
s
t
r
at
e f
o
r
t
h
e M
I
MO
an
t
e
n
n
a
.
F
i
g
ur
e
5
s
ho
w
s
t
he
r
et
u
r
n
l
o
s
s
f
o
r
a s
i
n
g
l
e l
o
ad
ed
an
t
en
n
a el
e
m
e
n
t
w
i
t
h
a v
ar
i
ab
l
e W
s
.
I
t
can
b
e s
een
f
r
o
m
F
i
gur
e
5
th
a
t a
s
in
g
le
l
o
ad
ed
M
I
MO
an
t
en
n
a
e
l
e
m
e
n
t
can
o
p
er
at
e
at
s
i
x
d
i
f
f
er
en
t
f
r
eq
u
e
n
c
y
b
a
n
d
s
b
y
c
h
an
g
i
n
g
t
h
e
w
i
d
t
h
o
f
t
h
e
m
e
ta
llic
s
tr
ip
s
o
n
th
e
s
u
r
f
ace
o
f
t
h
e
l
o
ad
ed
an
t
en
n
a.
F
i
g
ur
e
6
s
h
o
w
s
th
e
r
e
tu
r
n
lo
s
s
f
o
r
th
e
M
I
M
O
b
o
w
tie
an
t
en
n
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