T
E
L
KO
M
NIK
A
, V
ol
.
1
7
,
No.
5
,
O
c
tob
er
201
9
, p
p.
2
15
5
~
2160
IS
S
N: 1
69
3
-
6
93
0
,
accr
ed
ited
F
irst
Gr
ad
e b
y K
em
en
r
istekdikti,
Decr
ee
No: 2
1/E/
K
P
T
/20
18
DOI:
10.12928/TE
LK
OM
N
IK
A
.v
1
7
i
5
.
12797
â—¼
21
55
Rec
ei
v
ed
O
c
tob
er
13
,
20
1
8
; Rev
i
s
ed
M
arc
h
18
,
20
1
9
;
A
c
c
ep
ted
A
pril
20
,
20
1
9
Fractal Ya
gi
-
Ud
a
ant
e
nn
a
fo
r W
L
A
N
a
pp
lic
atio
n
s
A
m
e
r
r
u
l Zab
r
i
*
1
,
M
. K.
A
.
Rahim
2
,
F
. Zu
b
i
r
3
,
N.
M
. Nadz
ir
4
,
H.
A
.
M
aji
d
5
1
,2
,3
,4
Ad
v
a
n
c
e
d
RF
a
n
d
M
i
c
ro
wav
e
Re
s
e
a
r
c
h
Gro
u
p
(ARFM
R
G
)
,
Com
m
u
n
i
c
a
ti
o
n
En
g
i
n
e
e
ri
n
g
De
p
a
r
tm
e
n
t,
Sc
h
o
o
l
o
f
E
l
e
c
tri
c
a
l
E
n
g
i
n
e
e
ri
n
g
,
Fa
c
u
l
ty
o
f
En
g
i
n
e
e
r
i
n
g
,
Uni
v
e
rs
i
t
i
T
e
k
n
o
l
o
g
i
M
a
l
a
y
s
i
a
,
8
1
3
1
0
UTM
J
o
h
o
r Ba
h
r
u
,
J
o
h
o
r
,
M
a
l
a
y
s
i
a
5
Res
e
a
r
c
h
Ce
n
te
r
fo
r Ap
p
l
i
e
d
El
e
c
tr
o
m
a
g
n
e
t
i
c
s
,
Uni
v
e
r
s
i
t
i
T
u
n
Hu
s
s
e
i
n
Onn
M
a
l
a
y
s
i
a
,
Pa
ri
t
Raj
a
,
Ba
t
u
Pa
h
a
t,
J
o
h
o
r,
M
a
l
a
y
s
i
a
*C
o
rre
s
p
o
n
d
i
n
g
a
u
th
o
r,
e
-
m
a
i
l
:
a
m
e
rz
a
b
9
0
@g
m
a
i
l
.c
o
m
1
,
m
d
k
a
m
a
l
@ut
m
.m
y
2
,
fa
ri
d
@fk
e
.
u
t
m
.m
y
3
,
s
a
i
d
a
h
n
a
d
z
i
r@gm
a
i
l
.
c
o
m
4
,
m
h
u
d
a
@ut
h
m
.e
d
u
.
m
y
5
Ab
strac
t
Th
i
s
p
a
p
e
r
d
e
s
c
ri
b
e
s
t
h
e
d
e
v
e
l
o
p
m
e
n
t
o
f
a
Fra
c
ta
l
p
ri
n
te
d
Y
a
g
i
-
Uda
a
n
te
n
n
a
fo
r
wir
e
l
e
s
s
l
o
c
a
l
a
r
e
a
n
e
two
rk
(
W
L
AN)
a
p
p
l
i
c
a
t
i
o
n
s
o
p
e
r
a
ti
n
g
a
t
2
.4
G
H
z
fre
q
u
e
n
c
y
.
In
m
i
n
i
a
tu
r
i
z
i
n
g
th
e
d
i
m
e
n
s
i
o
n
s
o
f
a
n
a
n
t
e
n
n
a
,
fra
c
ta
l
m
e
th
o
d
i
s
a
p
p
l
i
e
d
whe
r
e
th
e
fi
r
s
t
i
te
r
a
ti
o
n
a
n
d
s
e
c
o
n
d
i
t
e
ra
t
i
o
n
i
s
i
m
p
l
e
m
e
n
te
d
.
Th
e
Com
p
u
te
r
Si
m
u
l
a
ti
o
n
Te
c
h
n
o
l
o
g
y
(CS
T)
s
o
f
twa
re
i
s
u
s
e
d
a
s
th
e
p
l
a
t
fo
rm
to
d
e
s
i
g
n
a
n
d
s
i
m
u
l
a
t
e
th
e
a
n
t
e
n
n
a
.
Th
e
s
u
b
s
tra
te
m
a
te
ri
a
l
u
s
e
d
i
s
th
e
FR
-
4
b
o
a
rd
whi
c
h
h
a
s
a
d
i
e
l
e
c
tri
c
c
o
n
s
ta
n
t
o
f
5
.4
,
th
e
th
i
c
k
n
e
s
s
o
f
1
.6
m
m
a
n
d
ta
n
g
e
n
t
l
o
s
s
o
f
0
.
0
1
9
.
Th
e
a
n
te
n
n
a
p
e
rfo
rm
a
n
c
e
i
n
te
rm
o
f
th
e
re
fl
e
c
t
ion
c
o
e
ff
i
c
i
e
n
t,
ra
d
i
a
t
i
o
n
p
a
t
te
rn
a
n
d
g
a
i
n
a
re
c
o
m
p
a
r
e
d
a
n
d
a
n
a
l
y
z
e
d
.
Fo
r
t
h
e
fi
r
s
t
i
t
e
ra
ti
o
n
,
2
2
.8
1
%
o
f
re
d
u
c
ti
o
n
s
i
z
e
h
a
s
b
e
e
n
a
c
h
i
e
v
e
d
a
n
d
3
0
.8
1
%
re
d
u
c
ti
o
n
o
f
th
e
a
n
t
e
n
n
a
s
i
z
e
fo
r
s
e
c
o
n
d
i
t
e
ra
ti
o
n
h
a
s
b
e
e
n
a
c
h
i
e
v
e
d
.
Key
w
ords
:
fra
c
ta
l
a
n
t
e
n
n
a
,
K
o
c
h
c
u
r
v
e
,
WL
AN, Ya
g
i
-
Uda
a
n
te
n
n
a
Copy
righ
t
©
2
0
1
9
Uni
v
e
rsi
t
a
s
Ahm
a
d
D
a
hl
a
n.
All
rig
ht
s
r
e
s
e
rve
d
.
1.
Int
r
o
d
u
ctio
n
La
te
l
y
,
wi
r
e
l
es
s
l
oc
a
l
area
ne
t
w
ork
(
W
LA
N
)
tec
hn
ol
og
i
es
are
ex
tr
em
el
y
po
p
ul
ar
f
or
wi
r
el
es
s
c
om
m
un
i
c
ati
on
be
c
au
s
e
of
t
he
i
r
ad
v
an
ta
ge
s
u
c
h
as
h
i
g
h d
at
a
r
at
e
tr
an
s
f
er w
i
t
h
l
i
m
i
tl
es
s
i
nte
r
n
et
ac
c
es
s
.
P
r
e
v
i
ou
s
r
es
ea
r
c
h
s
ho
w
s
th
at
f
or
W
LA
N
s
y
s
tem
tha
t
op
erates
i
n
2.4
G
H
z
f
r
eq
ue
nc
y
,
c
eram
i
c
c
hi
p
an
d
m
on
op
o
l
e
an
te
nn
a
are
wi
de
l
y
us
ed
[
1
-
5]
pl
u
s
nu
m
erous
pl
a
na
r
a
nte
nn
as
pres
en
t
ed
i
n
[
6
]
f
or
W
LA
N
ap
p
l
i
c
a
ti
o
n
s
,
bu
t
the
f
l
a
w
s
t
ha
t
c
om
es
w
i
t
h
t
he
m
are
l
o
w
ga
i
n
an
d
l
o
w
p
o
w
er
c
o
ntrol
c
ap
ac
i
t
y
.
H
o
w
e
v
er,
b
y
us
i
n
g
a
pa
tc
h
Y
ag
i
-
U
da
a
nte
n
na
,
the
s
e
l
i
m
i
tat
i
o
ns
c
an
be
ov
erc
om
e.
T
he
Y
ag
i
-
U
da
an
te
nn
a
i
s
on
e
of
the
p
op
u
l
ar
an
d
m
os
t
s
uc
c
es
s
f
ul
RF
an
t
en
na
de
s
i
gn
s
f
or
d
i
r
ec
ti
v
e
an
t
en
n
a
ap
p
l
i
c
a
ti
o
ns
.
O
r
i
g
i
na
l
l
y
,
i
t
was
us
e
d
i
n
do
m
es
ti
c
ap
p
l
i
c
at
i
on
f
or
r
ec
ei
v
i
n
g
s
i
g
na
l
s
f
or
tel
e
v
i
s
i
on
s
,
bu
t
r
ec
en
tl
y
i
t
i
s
us
ed
f
or
an
ex
ten
s
i
v
e
v
ari
et
y
of
ap
p
l
i
c
at
i
on
s
where
an
t
en
n
a
de
s
i
g
n
wi
th
hi
g
h g
ai
n a
n
d
di
r
ec
ti
v
i
t
y
i
s
r
eq
ui
r
e
d [
7
-
11
].
Y
ag
i
-
Uda
,
whi
c
h
i
s
al
s
o
k
no
w
n
as
t
he
Y
a
gi
an
ten
n
a,
i
s
a
di
r
ec
ti
o
na
l
a
nte
n
na
en
c
om
pa
s
s
es
a
driv
en
el
em
en
t
w
h
i
c
h
i
s
ge
ne
r
a
l
l
y
a
d
i
po
l
e
oth
er
pa
r
as
i
ti
c
el
e
m
en
t
c
al
l
ed
the
r
ef
l
ec
tor
an
d
the
d
i
r
ec
tors
[12
].
T
he
Y
a
gi
-
Ud
a
an
t
en
n
a
i
s
di
r
ec
t
i
on
al
al
o
ng
t
he
ax
i
s
pe
r
pe
nd
i
c
u
l
ar
t
o
th
e
d
i
po
l
e
i
n
the
pl
an
e
f
r
om
the
r
ef
l
ec
tor
to
w
ar
ds
the
di
r
ec
t
or’s
el
em
en
t.
F
i
gu
r
e
1 s
ho
w
s
t
he
di
a
gra
m
o
f
th
e g
r
ap
h
i
c
c
on
f
i
gu
r
ati
on
of
a
Y
ag
i
a
nte
nn
a.
Depe
nd
i
ng
on
s
p
ec
i
f
i
c
de
s
i
gn
,
t
y
p
i
c
al
s
pa
c
i
ng
’
s
f
or
a
Y
ag
i
-
Uda
an
t
en
n
a
b
et
ween
el
em
en
ts
v
ar
y
f
r
om
ab
ou
t
0.1
λ
to
0.2
5
λ
.
A
c
c
ordi
n
g
to
th
e
ge
n
eral
de
s
i
gn
of
a
Y
ag
i
an
te
nn
a
,
the
di
r
ec
tor
’
s
l
en
g
th
i
s
s
m
al
l
er
t
ha
n
th
e
dr
i
v
en
el
em
en
t,
an
d
th
e
dri
v
en
e
l
em
en
t
ar
e
s
m
al
l
er
th
an
the
r
ef
l
ec
tor.
Di
r
ec
t
i
on
al
pa
tte
r
n
wi
th
g
ai
n
of
the
an
te
nn
a
are
pro
du
c
e
d
b
y
the
di
r
ec
tors
.
T
he
tot
al
ga
i
n
i
s
di
r
ec
tl
y
proporti
on
al
t
o
th
e
di
m
en
s
i
on
of
the
an
t
en
n
a
arr
a
y
n
ot
b
y
th
e
nu
m
be
r
of
di
r
ec
tors
us
ed
.
T
he
s
pa
c
i
n
g
of
the
d
i
r
ec
tors
r
an
ge
f
r
o
m
0.1
λ
to
0.5
λ
or
m
ore
a
nd
wi
l
l
de
pe
nd
m
o
s
tl
y
u
p
t
o
t
he
de
s
i
g
n
s
p
e
c
i
f
i
c
ati
on
[13
,
1
4].
T
he
r
ef
l
e
c
tor
i
s
th
e
e
l
em
en
t
th
at
i
s
p
os
i
ti
on
e
d
at
th
e
ba
c
k
o
f
the
dri
v
en
el
em
en
t.
T
he
r
ef
l
ec
tor
l
en
gt
h
i
s
ge
ne
r
al
l
y
0.
5
λ
l
on
ge
r
th
an
th
e
d
i
r
ec
tor’
s
l
en
gth
wi
th
l
o
w
r
es
o
na
nt
f
r
eq
ue
nc
y
an
d
th
e
d
i
r
ec
tor
’
s
l
e
ng
t
h
i
s
ap
prox
i
m
ate
l
y
0.5
λ
s
ho
r
ter
tha
n
the
dri
v
en
el
em
en
t.
Its
l
en
gt
h
wi
l
l
v
ar
y
ac
c
ordi
ng
to
t
he
ot
he
r
e
l
e
m
en
t
s
pa
c
i
ng
an
d
d
i
am
ete
r
.
T
he
l
en
g
th
of
the
r
ef
l
ec
t
or
to
the
dri
v
e
n
e
l
em
en
t
i
s
b
et
w
e
en
0.1
λ
a
n
d
0.
25
λ
.
Its
l
en
g
th
wi
l
l
de
p
en
d
up
o
n
t
he
ga
i
n,
ba
n
d
w
i
dth
f
orw
ard/b
a
c
k
w
ard
r
ati
o,
an
d
s
i
de
l
o
be
pa
t
tern
r
eq
u
i
r
em
en
ts
of
th
e
f
i
na
l
an
t
en
n
a
de
s
i
g
n
[
15
,
16
].
T
he
Y
ag
i
an
te
nn
a
i
s
k
no
wn
as
a
d
i
r
ec
ti
on
al
t
y
pe
a
nte
nn
a
b
ec
au
s
e
po
wer
i
s
Evaluation Warning : The document was created with Spire.PDF for Python.
â—¼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
5
,
O
c
tob
er
20
19
:
21
5
5
-
21
60
2156
r
ad
i
at
ed
i
n
o
ne
di
r
ec
ti
o
n
where
i
t
c
an
tr
an
s
m
i
t
an
d
r
ec
ei
v
e
s
i
gn
al
s
wi
t
h
l
o
w
er
i
nte
r
f
erenc
e
i
n
th
at
pa
r
ti
c
u
l
ar
d
i
r
ec
ti
on
[
17
].
Des
i
gn
i
n
g
a
P
l
a
na
r
Y
a
gi
an
t
en
na
f
or
w
i
r
e
l
es
s
s
en
s
or
ne
twork
w
i
l
l
pro
du
c
e
a
c
om
pa
c
t
s
i
z
e
an
te
nn
a
w
h
i
c
h
i
s
s
u
i
ta
bl
e
f
or
i
ts
a
pp
l
i
c
at
i
on
.
B
es
i
d
es
,
a
m
ore
m
i
ni
atu
r
i
z
e
a
nd
c
o
m
pa
c
t
s
i
z
e
Y
ag
i
an
te
nn
a
c
an
b
e
ac
qu
i
r
ed
b
y
us
i
ng
f
r
ac
tal
tec
hn
i
qu
e
.
F
r
a
c
tal
s
tr
uc
ture
an
t
en
n
as
ha
v
e
be
en
prov
ed
to
ha
v
e
un
i
qu
e
ap
pe
ara
nc
e
an
d
f
ea
t
ures
r
el
ate
d
to
t
he
ge
om
etr
y
c
h
arac
teri
s
ti
c
s
of
f
r
ac
tal
.
In
r
ec
en
t
y
e
ars
,
m
an
y
an
t
en
n
a
c
on
f
i
gu
r
at
i
on
s
ha
v
e
b
ee
n
de
v
el
op
e
d
an
d
ex
pe
r
i
m
en
ted
o
n
f
r
ac
tal
ge
om
etri
es
[1
8
,
19
].
T
he
s
e
c
on
f
i
gu
r
at
i
on
s
ha
v
e
be
en
s
pe
c
i
f
i
c
al
l
y
he
l
pf
ul
i
n
m
i
ni
at
u
r
i
z
i
ng
the
s
i
z
e
of
th
e a
n
ten
na
[
20
].
B
en
oi
t
Ma
nd
el
br
ot
i
n
19
7
5
ori
gi
na
l
l
y
d
ef
i
ne
d
f
r
ac
tal
s
as
a
t
ec
hn
i
qu
e
of
c
l
as
s
i
f
y
i
ng
s
tr
uc
tures
w
ho
s
e
d
i
m
en
s
i
on
s
wer
e
no
t
w
h
ol
e
n
um
be
r
s
[2
1].
T
he
po
ten
t
i
a
l
to
i
m
prov
e
i
np
ut
m
atc
hi
ng
an
d red
uc
i
n
g t
he
s
i
z
e o
f
an
t
en
n
a
ha
v
e
be
e
n
r
ev
ea
l
e
d b
y
f
r
ac
tal
an
t
en
n
a
s
.
A
dd
i
ti
on
a
l
l
y
,
f
r
ac
tal
s
tr
uc
tures
an
ten
n
as
c
an
be
em
pl
o
y
e
d
i
n
a
v
ari
e
t
y
nu
m
be
r
of
ap
pl
i
c
ati
on
s
,
s
pe
c
i
f
i
c
al
l
y
f
or
l
i
m
i
ted
s
pa
c
e
are
a.
B
es
i
d
e
s
f
r
ac
tal
tec
hn
i
qu
e,
H
i
l
be
r
t
c
urv
e,
Mi
nk
ow
s
k
i
,
K
oc
h
c
u
r
v
e,
an
d
oth
er
s
tr
uc
tures
are
ef
f
ec
ti
v
el
y
to
r
ed
uc
e
a
nte
nn
a
s
i
z
e.
T
he
po
te
nti
al
i
ti
es
of
t
he
s
e
c
on
f
i
gu
r
ati
on
s
brin
g
m
a
s
s
i
v
e
i
n
teres
t
to
a
nte
nn
a
de
s
i
gn
s
i
nc
e
i
t
c
a
n
s
av
e
c
o
s
t
i
n
term
o
f
f
ab
r
i
c
ati
o
n
pro
c
es
s
an
d
al
s
o
s
pa
c
e [
22
].
T
h
e
be
ne
fi
t
to
a
di
po
l
e
an
te
nn
a
b
y
u
s
i
ng
fr
a
c
t
al
m
e
t
ho
d
c
an
r
e
du
c
e
th
e
to
t
al
he
i
g
h
t
o
f
t
h
e
an
t
en
na
r
e
s
on
an
c
e
.
T
h
e
g
eo
m
e
t
r
y
o
f
K
o
c
h
d
i
p
ol
e
i
s
s
h
ow
n
i
n
F
i
g
u
r
e
2
[
23
]
.
B
y
t
r
a
n
s
fo
r
m
i
n
g
the
m
i
d
d
l
e
thi
r
d
o
f
th
e
s
t
r
a
i
g
ht
pa
r
t
t
o
c
u
r
v
ed
o
r
an
gl
ed
p
a
r
t
o
f w
i
r
e
t
ha
t
s
pa
n
s
t
he
o
r
i
gi
na
l
th
i
r
d
,
a K
o
c
h
c
u
r
v
e
i
s
p
r
o
du
c
ed
.
E
v
e
r
y
i
te
r
a
ti
on
ad
d
s
l
e
ng
th
to
th
e
to
t
al
c
u
r
v
e
w
hi
c
h
p
r
od
u
c
e
s
i
n
a
to
t
al
l
e
ng
t
h
th
a
t
i
s
4/
3
t
he
o
r
i
gi
n
al
g
eo
m
e
t
r
y
[2
4
],
i
n
o
th
e
r
w
o
r
d
s
,
a
s
t
r
ai
gh
t
l
i
ne
i
n
a
K
o
c
h
c
u
r
v
e
i
s
c
r
e
at
e
d
b
y
d
i
v
i
di
n
g
i
t
i
n
t
o
th
r
e
e
s
eg
m
e
n
t
s
w
h
e
r
e
th
e
t
h
r
e
e
s
e
g
m
e
n
t
s
l
e
ng
ths
a
r
e
i
d
en
ti
c
al
[2
5,
2
6
]:


ℎ
=

0
.
(
2
+


Ø
3
)
(
1)
where



ℎ
=
to
t
al
l
e
ng
t
h o
f
K
oc
h c
urv
e

0
=
i
ni
t
i
at
or l
en
gt
h
Ø
=
f
l
are a
ng
l
e
de
gre
e
T
he
propos
e
d
a
nte
nn
a
i
s
d
es
i
gn
at
th
e
r
es
o
na
t
i
ng
f
r
eq
ue
nc
y
of
2.
4
G
H
z
.
I
n
i
m
pl
e
m
en
ti
ng
f
r
ac
tal
m
eth
od
to
Y
ag
i
a
nt
en
na
,
a
l
l
el
em
en
t
s
are
f
r
ac
tal
i
z
e
us
i
ng
t
he
f
i
r
s
t
i
t
erat
i
o
n
an
d
s
ec
on
d
i
terat
i
on
.
T
he
p
erf
or
m
an
c
e b
et
w
e
en
z
er
oth
,
f
i
r
s
t
,
an
d
s
ec
on
d
i
tera
ti
on
i
s
c
om
pa
r
ed
i
n t
erm
s
of
i
ts
di
r
ec
ti
v
i
t
y
,
ga
i
n,
r
ad
i
ati
on
p
att
ern,
an
d
r
etu
r
n
l
os
s
.
F
i
gu
r
e
1.
G
e
ne
r
a
l
c
on
f
i
gu
r
a
ti
on
of
Y
ag
i
a
nte
nn
a
F
i
gu
r
e
2
.
G
e
ne
r
a
l
of
K
oc
h
di
p
ol
e
(
f
r
o
m
l
ef
t,
z
eroth
i
tera
ti
o
n,
f
i
r
s
t
i
te
r
ati
on
,
s
ec
on
d
i
terat
i
on
, a
n
d
t
hi
rd
i
tera
ti
o
n
[23
]
2.
De
sc
r
ipt
ion
of
A
n
t
enn
a
T
he
prin
t
ed
Y
a
gi
an
ten
na
i
s
de
s
i
gn
w
i
th
a
r
ef
l
ec
t
or,
driv
en
el
em
en
ts
,
an
d
5
d
i
r
ec
tors
ac
c
ordi
ng
to
T
ab
l
e
1
pa
r
a
m
ete
r
s
.
T
he
s
pa
c
e
be
t
w
ee
n
r
ef
l
ec
tors
an
d
dr
i
v
en
el
e
m
en
t,
the
s
pa
c
e
be
t
w
e
en
dri
v
e
n
el
em
en
t
an
d
d
i
r
ec
tors
,
an
d
s
pa
c
e
b
et
ween
d
i
r
ec
tors
are
a
l
s
o
s
h
o
w
n
i
n
T
ab
l
e
1.
F
or
the
z
er
oth
,
f
i
r
s
t
,
an
d
s
ec
on
d
i
t
erati
on
Y
ag
i
an
t
e
nn
a,
a
l
l
of
the
s
pa
c
i
ng
p
aram
ete
r
s
ar
e
the
s
am
e a
s
th
e
Y
ag
i
a
nte
n
na
d
i
m
en
s
i
on
s
i
n
T
ab
l
e
1.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
â—¼
F
r
ac
tal
Y
ag
i
-
Uda
an
t
en
n
a f
or W
LA
N ap
p
l
i
c
at
i
o
ns
(
A
m
err
ul
Zabr
i
)
2157
T
ab
l
e 1
.
Y
a
gi
A
nt
en
n
a D
i
m
en
s
i
o
ns
E
le
m
e
n
t
s
W
i
d
t
h
(
mm
)
L
e
n
g
t
h
(
mm
)
R
e
f
lec
t
o
r
12
55
D
r
iv
e
n
e
lem
e
n
t
2
.
5
4
0
.
6
D
ire
c
t
o
r
s
1
.
7
8
3
1
.
2
5
S
p
a
c
ing
b
e
t
w
e
e
n
r
e
f
lec
t
o
r
s
a
n
d
d
r
iv
e
n
e
le
m
e
n
t
-
1
1
.
7
5
S
p
a
c
ing
b
e
t
w
e
e
n
d
r
iv
e
n
e
lem
e
n
t
a
n
d
d
ire
c
t
o
r
s
-
1
2
.
1
1
S
p
a
c
ing
b
e
t
w
e
e
n
d
ire
c
t
o
r
-
1
2
.
7
8
F
i
gu
r
e
3
s
h
o
w
s
the
an
t
en
n
a
de
s
i
g
n,
ha
v
i
ng
d
i
m
en
s
i
on
s
i
de
s
of
9
3
.
75
×
55
m
m
F
R4
(
F
l
am
e
Res
i
s
tan
t
4)
w
i
t
h
a
d
i
el
ec
tr
i
c
c
on
s
tan
t
5.4
an
d
t
hi
c
k
ne
s
s
of
1.6
m
m
.
A
f
ter
ap
pl
y
i
n
g
f
i
r
s
t
i
terati
on
f
r
ac
tal
,
th
e
pr
i
nt
ed
Y
a
gi
a
nt
en
na
i
s
m
ore
c
om
pa
c
t
w
i
th
a
s
i
z
e
of
8
7
.
66
×4
5.
41
m
m
an
d
as
f
or
t
he
s
ec
on
d
i
tera
ti
o
n,
the
s
i
z
e
of
the
a
nte
nn
a
r
ed
uc
es
m
ore
to
8
3
.
2
×4
2.
88
m
m
as
s
ho
wn
i
n
F
i
g
ure
4.
T
he
r
ef
l
ec
tor and
di
r
ec
tors
are al
s
o
ap
pl
i
ed
w
i
t
h t
h
e
K
oc
h c
urv
e.
F
i
gu
r
e
3
.
S
tan
da
r
d
de
s
i
gn
of
Y
ag
i
a
nte
nn
a
wi
t
h d
i
po
l
e
ex
c
i
tat
i
on
(
z
eroth
i
t
erati
on
)
F
i
gu
r
e
4
.
Y
ag
i
a
nte
nn
a
wi
t
h
di
p
ol
e e
x
c
i
ta
ti
o
n f
or
(
a)
f
i
r
s
t
i
terati
on
a
nd
(
b)
s
ec
on
d
i
terat
i
o
n
3.
Re
sult
s
a
n
d
A
n
al
y
s
is
T
he
propos
e
d a
nte
nn
a
w
as
s
i
m
ul
ate
d
us
i
ng
th
e
Com
pu
ter S
i
m
ul
at
i
on
T
ec
hn
ol
og
y
(
CS
T
)
s
of
tw
are
an
d
f
ab
r
i
c
ati
on
wa
s
do
ne
al
s
o
to
c
om
pa
r
e
m
ea
s
urem
en
t
wi
th
s
i
m
ul
ati
o
n
r
es
ul
ts
.
V
ari
ou
s
pa
r
am
ete
r
s
s
uc
h
as
r
ef
l
ec
ti
on
c
oe
f
f
i
c
i
en
t,
b
an
d
wi
dt
h,
r
ad
i
ati
on
pa
tt
ern,
ga
i
n,
di
r
ec
ti
v
i
t
y
,
an
d
the
s
i
z
e
of
the
an
te
nn
a
are
s
t
ud
i
ed
.
T
ab
l
e
2
s
ho
w
s
t
he
di
m
en
s
i
on
s
of
the
Y
ag
i
an
t
en
na
pl
us
s
i
z
e
r
ed
uc
ti
o
n
p
erc
en
ta
ge
af
ter
ap
p
l
y
i
ng
K
oc
h
c
urv
e
f
or
the
z
erot
h
i
terat
i
o
n,
f
i
r
s
t
i
ter
ati
on
,
a
nd
s
ec
o
nd
i
terat
i
on
.
A
f
ter
ap
p
l
y
i
n
g
f
r
ac
tal
m
eth
od
f
or
f
i
r
s
t
and
s
ec
on
d
i
ter
ati
on
, th
ere
’
s
a
de
c
r
ea
s
e i
n
t
erm
o
f
i
ts
di
r
ec
t
i
v
i
t
y
,
a
nd
g
ai
n
.
T
he
c
o
m
pa
r
i
s
on
of
s
i
m
ul
ati
o
n
a
nd
m
ea
s
ure
m
en
t
f
or
z
eroth
i
terat
i
o
n
Y
a
gi
an
te
nn
a
i
s
s
ho
w
n
i
n
F
i
gu
r
e
s
5
(
a)
-
(
c
)
f
or
z
erot
h
,
f
i
r
s
t
,
a
nd
s
ec
o
nd
i
t
erati
on
r
es
pe
c
ti
v
e
l
y
.
F
i
gu
r
e
6
s
ho
w
s
the
H
-
P
l
an
e
a
nd
E
-
P
l
a
ne
r
ad
i
ati
on
pa
tt
ern
f
or
t
he
z
erot
h
,
f
i
r
s
t
an
d
s
ec
on
d
i
terat
i
on
.
T
ab
l
e
3 d
e
pi
c
ts
th
e p
erf
orm
an
c
e b
et
w
e
en
t
he
t
hree
an
t
en
n
a.
T
ab
l
e
2
.
P
erf
orm
an
c
e Di
f
f
e
r
en
c
es
D
e
s
c
r
ipt
ion
D
i
m
e
n
s
ion
(
L
×
W
×
t
)
(
mm
)
S
iz
e
o
f
r
e
d
u
c
t
ion
f
r
o
m
0
th
it
e
r
a
t
ion
(
%
)
0
th
it
e
r
a
t
ion
9
3
.
75
×5
5
×1
.
6
-
1
st
it
e
r
a
t
ion
8
7
.
66
×
4
5
.
4
1
×1
.
6
22.
8
%
2
nd
it
e
r
a
t
ion
8
3
.
2
×
4
2
.
8
8
×1
.
6
3
0
.
8
1
%
(
a)
(
b)
Evaluation Warning : The document was created with Spire.PDF for Python.
â—¼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
5
,
O
c
tob
er
20
19
:
21
5
5
-
21
60
2158
(
a)
(
b)
(
c
)
F
i
gu
r
e
5
.
S
11
Ref
l
ec
t
i
o
n c
oe
ff
i
c
i
en
t f
or (
a)
z
er
oth
i
terat
i
o
n,
(
b)
f
i
r
s
t
i
terat
i
o
n,
an
d (c
)
s
ec
on
d
i
ter
ati
on
T
ab
l
e
3
.
S
i
m
ul
at
i
on
P
erf
orm
an
c
e Di
ff
erenc
es
be
t
w
e
e
n
Z
eroth
It
erati
on
,
F
i
r
s
t
Ite
r
a
ti
on
, a
nd
S
ec
o
nd
It
erati
on
A
n
t
e
n
n
a
D
ire
c
t
iv
it
y
(
d
B
i)
Ga
in
(
d
B
)
B
a
n
d
w
idt
h
(
GH
z
)
R
e
t
u
r
n
los
s
(
d
B
)
0
th
it
e
r
a
t
ion
8
.
7
7
8
.
2
2
2
.
2
6
-
2
.
5
7
-
3
0
.
2
3
1
st
it
e
r
a
t
ion
7
.
5
7
7
.
0
7
2
.
3
-
2
.
6
-
2
2
.
8
2
2
nd
it
e
r
a
t
ion
6
.
6
7
6
.
1
7
2
.
3
2
-
2
.
7
-
1
7
.
5
8
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
â—¼
F
r
ac
tal
Y
ag
i
-
Uda
an
t
en
n
a f
or W
LA
N ap
p
l
i
c
at
i
o
ns
(
A
m
err
ul
Zabr
i
)
2159
(
a)
(
b)
(
c
)
F
i
gu
r
e
6
.
R
ad
i
ati
on
pa
tt
ern
H
-
P
l
a
ne
an
d
E
-
P
l
a
ne
f
or (
a
)
z
erot
h
i
t
erati
on
, (
b)
f
i
r
s
t
i
te
r
ati
on
,
an
d (c
)
s
ec
on
d
i
ter
ati
on
4.
Co
n
clus
ion
T
he
P
l
an
ar
Y
ag
i
an
t
en
n
a
of
z
ero
th
,
f
i
r
s
t
,
an
d
s
ec
on
d
i
terat
i
o
n
ha
s
be
en
de
s
i
g
ne
d
f
or
W
LA
N
ap
pl
i
c
at
i
on
s
whi
c
h
op
erat
es
at
2.4
G
H
z
f
r
eq
u
en
c
y
.
T
he
s
i
z
e
of
the
an
t
e
nn
a
r
e
du
c
e
b
y
Evaluation Warning : The document was created with Spire.PDF for Python.
â—¼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
5
,
O
c
tob
er
20
19
:
21
5
5
-
21
60
2160
22
.8%
f
or
th
e
f
i
r
s
t
i
terat
i
on
an
d
3
0.8
1%
f
or
the
s
ec
on
d
i
t
erat
i
on
.
Red
uc
i
n
g
the
s
i
z
e
of
the
an
t
en
n
a
b
y
a
pp
l
y
i
ng
f
r
ac
tal
m
eth
od
a
l
s
o
af
f
ec
ts
the
a
nte
n
na
d
i
r
ec
ti
v
i
t
y
an
d
g
ai
n
b
y
14
%
f
or
the
f
i
r
s
t
i
terat
i
on
a
nd
2
5%
f
or
the
s
ec
on
d
i
terat
i
o
n.
B
ut
s
ti
l
l
,
t
he
g
ai
n
i
s
s
ti
l
l
h
i
gh
w
i
t
h
a
m
or
e
c
o
m
pa
c
t
s
i
z
e.
He
nc
e,
du
e
t
o
i
ts
hi
g
h
ga
i
n
an
d
c
om
pa
c
t
s
i
z
e,
th
e
an
t
en
n
a
c
an
be
uti
l
i
z
e
i
n
m
an
y
ap
p
l
i
c
at
i
on
of
IS
M
ba
nd
an
d i
n
do
or
pl
us
W
LA
N ap
p
l
i
c
ati
o
ns
.
Ref
er
en
ce
s
[1
]
G
u
ti
e
rre
z
F
.
D
e
s
i
g
n
o
f
a
w
i
d
e
b
a
n
d
a
n
te
n
n
a
fo
r
w
i
re
l
e
s
s
n
e
t
w
o
rk
-
on
-
c
h
i
p
i
n
m
u
l
ti
m
e
d
i
a
a
p
p
l
i
c
a
ti
o
n
s
.
J
o
u
rn
a
l
o
f
L
o
w P
o
wer
El
e
c
tro
n
i
c
s
a
n
d
Ap
p
l
i
c
a
ti
o
n
s
.
2
0
1
7
;
7
(2
):
6
.
[2
]
Va
d
i
v
e
l
M
,
Po
o
n
g
o
d
h
a
i
M
,
M
a
d
h
u
m
i
th
a
R,
Niv
e
th
a
V,
Ba
n
u
J
K
.
IOT
b
a
s
e
d
h
o
m
e
v
i
s
i
t
o
r
m
o
n
i
t
o
ri
n
g
s
y
s
te
m
u
s
i
n
g
ra
s
p
b
e
rry
p
i
.
In
t
e
rn
a
ti
o
n
a
l
Res
e
a
rc
h
J
o
u
r
n
a
l
o
f
En
g
i
n
e
e
ri
n
g
a
n
d
Te
c
h
n
o
l
o
g
y
(IRJ
ET)
.
2
0
1
8
;
5
(3
)
:
3
1
3
2
-
3
1
3
5
.
[3
]
Si
n
g
h
S,
An
a
p
P,
Bh
a
i
g
a
d
e
Y
,
Cha
v
a
n
J
P.
IP
c
a
m
e
ra
v
i
d
e
o
s
u
rv
e
i
l
l
a
n
c
e
u
s
i
n
g
ra
s
p
b
e
rry
p
i
.
In
te
rn
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
A
d
v
a
n
c
e
Re
s
e
a
r
c
h
i
n
Com
p
u
te
r
a
n
d
Com
m
u
n
i
c
a
ti
o
n
E
n
g
i
n
e
e
ri
n
g
.
2
0
1
5
;
4
(2
)
:
3
2
6
-
3
2
8
.
[4
]
Ka
n
z
a
ri
y
a
S,
Vo
ra
PV
.
Rea
l
ti
m
e
v
i
d
e
o
m
o
n
i
t
o
ri
n
g
s
y
s
te
m
u
s
i
n
g
ra
s
p
b
e
rry
p
i
.
Nat
i
o
n
a
l
Co
n
fe
re
n
c
e
o
n
Em
e
rg
i
n
g
T
re
n
d
s
i
n
Co
m
p
u
te
r
,
El
e
c
tri
c
a
l
&
E
l
e
c
tro
n
i
c
s
(ET
CEE
-
2015)
.
2
0
1
5
.
[5
]
Pra
s
a
d
S
,
M
a
h
a
l
a
k
s
h
m
i
P,
Su
n
d
e
r
A
J
C,
Sw
a
th
i
R.
Sm
a
rt
s
u
rv
e
i
l
l
a
n
c
e
m
o
n
i
to
ri
n
g
s
y
s
te
m
u
s
i
n
g
ra
s
p
b
e
rry
p
i
a
n
d
p
i
r
s
e
n
s
o
r.
In
te
rn
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
Com
p
u
t
e
r
Sc
i
e
n
c
e
a
n
d
I
n
fo
rm
a
t
i
o
n
T
e
c
h
n
o
l
o
g
y
.
2014;
5
(6
)
:
7
1
0
7
-
7
1
0
9
.
[6
]
Ba
n
k
e
y
V
,
Ku
m
a
r
NA.
Des
i
g
n
o
f
a
Y
a
g
i
-
Uda
a
n
t
e
n
n
a
w
i
th
g
a
i
n
a
n
d
b
a
n
d
w
i
d
th
e
n
h
a
n
c
e
m
e
n
t
fo
r
w
i
-
f
i
a
n
d
w
i
-
m
a
x
a
p
p
l
i
c
a
ti
o
n
s
.
In
t
e
r
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
An
te
n
n
a
s
(
J
ANT)
.
2
0
1
6
;
2
(1
):1
-
4
.
[7
]
Cho
u
HT
,
Hun
g
K
L
,
Che
n
C
Y
.
Uti
l
i
z
a
ti
o
n
o
f
a
y
a
g
i
a
n
te
n
n
a
d
i
r
e
c
t
o
r
a
rr
a
y
to
s
y
n
th
e
s
i
z
e
a
s
h
a
p
e
d
ra
d
i
a
t
i
o
n
p
a
tt
e
rn
fo
r
o
p
ti
m
u
m
c
o
v
e
ra
g
e
i
n
w
i
re
l
e
s
s
c
o
m
m
u
n
c
a
ti
o
n
.
J
o
u
r
n
a
l
o
f
E
l
e
c
tro
m
a
g
n
e
ti
c
W
a
v
e
s
a
n
d
Ap
p
l
i
c
a
t
i
o
n
.
2
0
0
9
;
2
3
(
7
):
8
5
1
-
861
.
[8
]
L
i
J
Y
,
G
u
o
J
L
.
O
p
ti
m
i
z
a
t
i
o
n
t
e
c
h
n
i
q
u
e
u
s
i
n
g
d
i
ff
e
r
e
n
t
i
a
l
e
v
o
l
u
ti
o
n
fo
r
y
a
g
i
-
u
d
a
a
n
te
n
n
a
s
.
J
o
u
rn
a
l
o
f
El
e
c
tr
o
m
a
g
n
e
t
i
c
Wa
v
e
s
a
n
d
A
p
p
l
i
c
a
t
i
o
n
.
2
0
0
9
;
2
3
(
4
):
4
4
9
-
461
.
[9
]
M
i
s
ra
IS,
Cha
k
ra
b
a
rty
RS,
M
a
n
g
a
ra
j
BB
.
Des
i
g
n
,
a
n
a
l
y
s
i
s
a
n
d
o
p
t
i
m
i
z
a
ti
o
n
o
f
v
-
d
i
p
o
l
e
a
b
d
i
t
s
th
re
e
-
e
l
e
m
e
n
t
y
a
g
i
-
u
d
a
a
rra
y
.
Pro
g
re
s
s
i
n
El
e
c
tro
m
a
g
n
e
t
i
c
R
e
s
e
a
r
c
h
(PI
ER)
.
2
0
0
6
;
6
6
:
1
3
7
-
156
.
[1
0
]
Stu
tz
m
a
n
W
L
,
T
h
i
e
l
e
GA
.
An
t
e
n
n
a
t
h
e
o
ry
a
n
d
d
e
s
i
g
n
.
New
Yo
rk
:
W
i
l
e
y
.
1
9
9
8
.
[1
1
]
G
ra
y
D,
L
u
J
W
,
T
h
i
e
l
DV
.
A
.
El
e
c
tr
o
n
i
c
a
l
l
y
s
te
e
ra
b
l
e
y
a
g
i
-
u
d
a
m
i
c
r
o
s
tri
p
p
a
t
c
h
a
n
t
e
n
n
a
a
rra
y
.
IEE
E
Tra
n
s
a
c
t
i
o
n
s
o
n
a
n
t
e
n
n
a
s
a
n
d
p
ro
p
a
g
a
ti
o
n
.
1
9
9
8
:
4
6
(5
):
6
0
5
-
60
8.
[1
2
]
J
a
m
l
o
s
M
F,
Rah
i
m
RA,
O
th
m
a
n
H,
J
u
s
o
h
M
,
Ah
m
a
d
ZA,
R
o
m
l
i
M
A
,
Sa
l
i
m
M
N.
Tri
p
l
e
-
fre
q
u
e
n
c
i
e
s
o
f
co
-
p
o
l
a
ri
z
a
ti
o
n
Ya
g
i
Pa
tc
h
An
t
e
n
n
a
fo
r
2
.3
G
H
z
,
2
.4
G
H
z
&
5
.8
G
H
z
Ap
p
l
i
c
a
ti
o
n
.
IEEE
Sy
m
p
o
s
i
u
m
o
n
W
i
r
e
l
e
s
s
T
e
c
h
n
o
l
o
g
y
a
n
d
Ap
p
l
i
c
a
t
i
o
n
s
(I
S
W
T
A)
.
Ba
n
d
u
n
g
.
2
0
1
2
:
1
3
8
-
1
4
1
.
[1
3
]
Sh
a
rm
a
G
,
Sh
a
r
m
a
AN,
Du
v
e
y
A,
Si
n
g
h
a
l
PK
.
Y
a
g
i
-
u
d
a
a
n
te
n
n
a
fo
r
L
-
b
a
n
d
fre
q
u
e
n
c
y
ra
n
g
e
.
In
te
rn
a
ti
o
n
a
l
J
o
u
r
n
a
l
o
f
En
g
i
n
e
e
ri
n
g
a
n
d
Te
c
h
n
o
l
o
g
y
.
2
0
1
2
;
1
(4
)
:
3
1
5
-
3
2
0
.
[1
4
]
Ba
l
a
n
i
s
CA.
An
te
n
n
a
th
e
o
ry
A
n
a
l
y
s
i
s
a
n
d
d
e
s
i
g
n
.
th
i
r
d
e
d
i
t
i
o
n
.
W
i
l
e
te
r
s
c
i
e
n
c
e
p
u
b
l
i
c
a
ti
o
n
.
2
0
0
5
.
ISBN
:
0
-
4
7
1
6
6
7
8
2
-
x.
[1
5
]
W
a
r
re
n
LS
.
An
t
e
n
n
a
T
h
e
o
ry
a
n
d
Des
i
g
n
.
th
i
r
d
e
d
i
ti
o
n
.
J
o
h
n
W
i
l
e
y
&
So
n
s
I
n
c
.
1
9
9
7
.
[1
6
]
Ba
d
j
a
t
e
SL
,
Kh
a
d
e
SS.
Y
a
g
i
u
d
a
a
n
t
e
n
n
a
w
i
th
i
n
t
e
g
ra
te
d
b
a
l
u
n
fo
r
w
l
a
n
a
p
p
l
i
c
a
t
i
o
n
.
In
t
e
rn
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
Com
p
u
te
r
Ap
p
l
i
c
a
ti
o
n
s
(
0
9
7
5
-
8
8
8
7
)
.
2
0
1
3
:
2
1
-
24
.
[1
7
]
Si
n
g
h
a
A,
Kh
a
n
b
T
.
A
Co
m
p
a
c
t
e
ff
i
c
i
e
n
t
Y
a
g
i
-
Uda
p
a
t
c
h
a
n
te
n
n
a
w
i
th
EBG
s
tru
c
t
u
r
e
.
I
n
te
rn
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
Curre
n
t
En
g
i
n
e
e
ri
n
g
a
n
d
T
e
c
h
n
o
l
o
g
y
.
2
0
1
3
;
3
(
3
):
7
8
8
-
791
.
[1
8
]
Pu
e
n
te
C,
Ro
m
e
u
J
,
Ba
r
to
l
e
m
e
R,
Po
u
s
R
.
Po
u
s
.
Fra
c
ta
l
m
u
l
t
i
b
a
n
d
a
n
t
e
n
n
a
b
a
s
e
d
o
n
Si
e
rp
i
n
s
k
i
g
a
s
k
e
t.
E
l
e
c
tro
n
i
c
L
e
tt
e
r
s
.
1
9
9
6
;
3
2
(1
)
:
1
-
2.
[1
9
]
Pu
e
n
te
-
B
a
l
i
a
rd
a
C,
Ro
m
e
u
J
,
Po
u
s
R,
Card
a
m
a
A
.
O
n
t
h
e
b
e
h
a
v
i
o
r o
f
t
h
e
Si
e
rp
i
n
s
k
i
m
u
l
ti
b
a
n
d
f
ra
c
ta
l
a
n
te
n
n
a
.
IEEE
Tra
n
s
.
An
t
.
Pro
p
a
g
a
t
i
o
n
.
1
9
9
8
;
46
(4
)
:
517
-
5
2
4
.
[2
0
]
Coh
e
n
N
.
Fr
a
c
t
a
l
a
n
te
n
n
a
a
p
p
l
i
c
a
t
i
o
n
s
i
n
w
i
re
l
e
s
s
t
e
l
e
c
o
m
m
u
n
i
c
a
ti
o
n
s
.
Pro
fe
s
s
i
o
n
a
l
Pro
g
ra
m
Pro
c
.
o
f
El
e
c
tr
o
n
i
c
s
I
n
d
u
s
tri
e
s
F
o
ru
m
o
f
New
En
g
l
a
n
d
.
1
9
9
7
:
43
-
49.
[2
1
]
Ka
ri
m
M
NA,
Rah
i
m
M
KA,
M
a
s
ri
T
.
Fra
c
ta
l
Ko
c
h
Dip
o
l
e
An
te
n
n
a
fo
r
UH
F
Ba
n
d
Ap
p
l
i
c
a
ti
o
n
.
M
i
c
ro
wav
e
a
n
d
Opt
i
c
a
l
T
e
c
h
n
o
l
o
g
y
L
e
tt
e
r
s
.
2
0
0
9
;
5
1
(1
1
)
:
2
6
1
2
-
2
6
1
4
.
[2
2
]
G
i
a
n
v
i
tt
o
ri
o
J
P
.
Fr
a
c
t
a
l
An
t
e
n
n
a
:
De
s
i
g
n
,
Cha
ra
c
te
r
i
z
a
ti
o
n
,
a
n
d
Ap
p
l
i
c
a
t
i
o
n
.
Do
c
to
r
a
l
d
i
s
s
e
rt
a
ti
o
n
.
Uni
v
e
rs
i
ty
o
f
Ca
l
i
f
o
rn
i
a
.
2
0
0
0
.
[2
3
]
Vi
n
o
y
KJ
.
Fra
c
ta
l
Sh
a
p
e
d
An
te
n
n
a
El
e
m
e
n
t
s
fo
r
W
i
d
e
Ba
n
d
a
n
d
M
u
l
ti
Ba
n
d
W
i
re
l
e
s
s
Ap
p
l
i
c
a
ti
o
n
s
.
Ph
D
T
h
e
s
i
s
.
T
h
e
P
e
n
n
s
y
l
v
a
n
i
a
St
a
t
e
Un
i
v
e
rs
i
ty
.
2
0
0
2
.
[2
4
]
Ba
l
i
a
r
d
a
CP,
Rom
e
u
J
,
Car
d
a
m
a
A
.
T
h
e
Ko
c
h
m
o
n
o
p
o
l
e
:
A
s
m
a
l
l
fra
c
ta
l
a
n
te
n
n
a
.
IE
EE
Tra
n
s
.
An
te
n
n
a
s
a
n
d
Pr
o
p
a
g
a
ti
o
n
.
2
0
0
0
;
48
(
1
1
)
:
1
7
7
3
-
1
7
8
1
.
[2
5
]
Po
p
rz
e
n
N,
G
o
c
a
n
o
v
i
c
M
.
Fr
a
c
ta
l
a
n
te
n
n
a
s
:
d
e
s
i
g
n
c
h
a
r
a
c
te
ri
s
ti
c
s
a
n
d
a
p
p
l
i
c
a
ti
o
n
.
Un
i
v
e
rs
i
ty
o
f
Ba
n
j
a
l
u
k
a
.
2
0
0
2
.
[
2
6
]
I
s
m
a
h
a
y
a
t
i
A
,
S
o
h
P
J
,
H
a
d
i
b
a
h
R
,
V
a
n
d
e
n
b
o
s
c
h
G
A
E
.
D
e
s
i
g
n
a
n
d
a
n
a
l
y
s
i
s
o
f
a
m
u
l
t
i
b
a
n
d
K
o
c
h
f
r
a
c
t
a
l
m
o
n
o
p
o
l
e
a
n
t
e
n
n
a
.
R
F
a
n
d
M
i
c
r
o
w
a
v
e
C
o
n
f
e
r
e
n
c
e
(
R
F
M
)
.
2
0
1
1
I
E
E
E
I
n
t
e
r
n
a
t
i
o
n
a
l
R
F
&
M
i
c
r
o
w
a
v
e
C
o
n
f
e
r
e
n
c
e
.
2
0
1
1
:
58
-
62.
Evaluation Warning : The document was created with Spire.PDF for Python.