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m
o
d
if
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n
g
t
h
e
h
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a
g
o
n
al
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atch
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etr
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n
l
y
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ec
au
s
e
th
e
p
r
o
p
o
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ed
d
esig
n
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f
ed
b
y
u
s
i
n
g
C
P
W
tech
n
iq
u
e.
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n
th
is
s
tu
d
y
,
a
n
in
v
er
ted
d
iam
o
n
d
s
h
ap
e
is
s
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tted
in
th
e
s
u
b
s
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ate
a
n
d
p
atch
o
n
a
r
ec
o
n
f
ig
u
r
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le
UW
B
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er
tex
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f
ed
p
r
in
ted
h
e
x
a
g
o
n
al
p
atc
h
an
te
n
n
a
(
VP
HP
A
)
to
ac
h
iev
e
a
s
i
n
g
le
-
b
an
d
n
o
tc
h
.
T
h
e
r
ec
o
n
f
i
g
u
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ed
VP
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ac
h
ie
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ed
a
b
r
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ad
b
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d
w
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th
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d
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est
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m
p
ed
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ce
m
atc
h
in
g
a
t
lo
w
a
n
d
h
ig
h
r
e
s
o
n
an
ce
f
r
eq
u
e
n
cies.
Mo
r
eo
v
er
,
th
e
s
in
g
le
-
b
an
d
n
o
tch
i
s
s
h
i
f
ted
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5
GHz
to
a
h
ig
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er
f
r
eq
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e
n
c
y
at
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5
GHz
b
y
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n
teg
r
ati
n
g
t
h
e
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v
er
ted
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ia
m
o
n
d
clo
s
e
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e
n
d
n
o
tch
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n
b
o
th
s
u
b
s
tr
ates
a
n
d
r
a
d
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n
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atch
co
m
p
ar
ed
w
i
th
s
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ttin
g
t
h
e
r
ad
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n
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atch
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n
l
y
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w
h
ic
h
h
a
s
th
e
s
a
m
e
n
o
tch
g
eo
m
etr
y
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
e
d
em
o
n
s
tr
ated
b
a
n
d
-
n
o
tc
h
ed
an
ten
n
a
s
tr
u
ct
u
r
e
i
s
p
r
esen
ted
i
n
Fi
g
u
r
e
2
(
a
)
.
T
h
e
p
r
o
p
o
s
e
d
r
ad
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n
p
atch
an
d
t
w
o
g
r
o
u
n
d
-
p
lated
C
P
W
s
ar
e
p
r
in
ted
o
n
th
e
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lay
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o
f
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FR
4
s
u
b
s
t
r
ate
w
it
h
d
ielec
tr
ic
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n
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ta
n
t
εr
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3
,
ta
n
δ
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0
.
0
2
5
an
d
s
ize
o
f
2
8
m
m
×
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3
m
m
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1
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m
m
.
T
h
e
p
r
o
p
o
s
ed
an
ten
n
a
d
esi
g
n
s
tep
s
to
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s
i
n
g
le
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ej
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d
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ad
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d
w
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s
h
o
w
n
i
n
Fi
g
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r
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3
.
First,
a
s
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m
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le
s
id
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h
ex
a
g
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l
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atch
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h
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5
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ed
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w
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as
a
f
r
eq
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e
n
c
y
r
e
g
io
n
f
r
o
m
3
.
3
GHz
to
1
0
.
3
GHz
.
Seco
n
d
,
th
e
r
ad
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n
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atch
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o
tates
to
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t
h
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s
h
o
w
n
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n
Fi
g
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r
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3
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a
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atch
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g
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n
d
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ec
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ea
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es f
r
o
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Fig
u
r
e
2
.
De
m
o
n
s
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ated
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te
n
n
a
s
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u
ctu
r
e
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(
a)
Geo
m
etr
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r
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p
o
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ed
d
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ten
n
a
5
,
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ted
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ia
m
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d
-
s
h
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ar
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Fab
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icate
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ty
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2931
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u
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Desig
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p
r
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itio
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h
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,
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3
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ten
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n
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h
e
eq
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a
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x
im
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tio
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o
f
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s
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eter
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i
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ed
b
y
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p
l
y
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n
g
t
h
e
m
o
d
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f
ied
f
o
r
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u
la
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t
h
e
c
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d
r
ical
m
o
n
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le
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ten
n
a.
Vo
lta
g
e
s
ta
n
d
in
g
w
a
v
e
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atio
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VSW
R
)
is
le
s
s
th
a
n
2
at
th
e
lo
w
-
f
r
eq
u
e
n
c
y
(
fl
)
U
W
B
b
an
d
w
id
th
o
f
t
h
e
VP
HP
A
r
ep
r
esen
ted
b
y
[
12
]
:
=
c
=
7
.
2
+
+
×
(
1
)
w
h
er
e
k
is
a
co
n
s
ta
n
t
t
h
at
d
ep
en
d
s
o
n
th
e
d
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tr
ic,
eq
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i
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al
en
t
c
y
l
in
d
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ical
m
o
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o
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o
le
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n
a
w
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th
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f
f
ec
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iu
s
r
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n
d
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e
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f
o
r
e
m
e
n
t
io
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th
r
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s
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s
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ed
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h
e
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ter
b
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n
d
w
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th
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g
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ted
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n
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n
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tted
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Fi
g
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r
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4
f
r
o
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2
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8
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b
y
s
i
m
u
lat
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g
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te
n
n
a
3
.
Fo
u
r
th
,
th
e
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v
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ted
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iam
o
n
d
s
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t
is
lo
ad
ed
o
n
th
e
r
ad
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n
p
atch
,
as
s
h
o
w
n
in
Fi
g
u
r
e
3
(
an
ten
n
a
4
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,
to
a
v
o
id
t
h
e
E
MI
w
it
h
th
e
e
x
is
ti
n
g
b
a
n
d
at
t
h
e
f
r
eq
u
en
c
y
o
f
6
GHz
.
T
h
e
d
ia
m
o
n
d
s
lo
t
is
d
esi
g
n
e
d
an
d
s
lo
tted
o
n
co
p
p
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p
atch
b
ased
o
n
a
s
tr
u
ct
u
r
e
b
y
E
u
r
o
p
ea
n
Ge
m
o
lo
g
ical
L
ab
o
r
ato
r
ies,
US
A
to
cu
t
t
h
e
n
atu
r
al
d
ia
m
o
n
d
[
13
]
.
T
h
e
d
im
en
s
io
n
s
o
f
th
e
in
v
er
ted
d
iam
o
n
d
s
lo
t
ar
e
p
r
esen
ted
i
n
Fi
g
u
r
e
2
(
b
)
.
T
h
is
s
lo
t
ac
h
iev
ed
VSW
R
o
f
5
.
4
,
as
p
l
o
tted
in
Fi
g
u
r
e
4
(
an
te
n
n
a
4
)
.
B
ec
au
s
e
o
f
t
h
e
h
ig
h
-
n
o
tc
h
f
r
eq
u
en
c
y
r
eq
u
ir
es
a
s
m
al
l
s
lo
t
le
n
g
th
,
t
h
e
s
lo
t
is
d
esig
n
ed
as
a
clo
s
e
-
e
n
d
n
o
tc
h
t
o
r
ea
ch
th
e
ce
n
tr
e
b
an
d
r
ej
ec
tio
n
th
at
eq
u
als
h
al
f
o
f
th
e
g
u
id
ed
w
av
ele
n
g
t
h
(
λ
g
/2
)
.
T
h
e
to
tal
s
lo
t
len
g
t
h
i
s
ca
lcu
lated
by
u
s
in
g
(
2
)
to
ac
h
iev
e
th
e
r
eq
u
ir
ed
r
ej
ec
tio
n
f
r
eq
u
en
c
y
a
s
[
14
]
:
≃
c
[
2
×
ℎ
×
]
(
2
)
w
h
er
e
f
notch
,
c,
Ld
s
,
an
d
ε
r
eff
ar
e
th
e
r
e
j
ec
ted
f
r
eq
u
en
c
y
,
s
p
ee
d
o
f
lig
h
t,
en
tire
s
lo
t
len
g
t
h
,
an
d
ef
f
ec
tiv
e
r
elativ
e
d
ielec
tr
ic
co
n
s
ta
n
t
r
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ec
tiv
el
y
.
Fi
n
all
y
,
th
e
s
u
b
s
tr
at
e
b
elo
w
t
h
e
s
lo
t
is
cu
t
w
i
th
t
h
e
s
a
m
e
co
p
p
er
s
lo
t
d
i
m
en
s
io
n
s
u
s
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g
t
h
e
air
as a
d
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tr
ic
f
o
r
ca
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lati
n
g
th
e
e
f
f
ec
tiv
e
d
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tr
ic
o
f
t
h
e
n
o
tc
h
i
n
g
b
an
d
.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
A
s
i
m
u
lated
b
an
d
-
n
o
tc
h
i
n
g
c
h
ar
ac
ter
is
tic
s
h
i
f
ted
to
th
e
d
o
w
n
li
n
k
X
-
b
a
n
d
7
.
5
GHz
w
it
h
a
VSW
R
o
f
4
.
5
o
f
an
ten
n
a
5
is
s
i
g
n
i
f
ican
tl
y
s
ati
s
f
ied
b
y
n
o
tc
h
in
g
t
h
e
s
u
b
s
tr
ate
f
u
r
t
h
er
an
d
th
e
r
ad
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n
p
atch
w
it
h
th
e
s
a
m
e
s
lo
t
s
ize,
as
s
h
o
w
n
i
n
F
ig
u
r
e
4
.
T
h
e
d
em
o
n
s
tr
ated
an
ten
n
a
a
n
d
in
v
er
ted
d
ia
m
o
n
d
s
lo
t
p
ar
am
eter
s
ar
e
s
p
ec
if
ied
in
T
ab
le
1
.
T
h
e
s
i
m
u
lated
VSW
R
r
esu
lts
ar
e
illu
s
tr
ated
in
Fig
u
r
e
4
f
o
r
an
ten
n
a
1
to
5
.
A
n
te
n
n
a
1
ac
h
i
ev
ed
i
m
p
ed
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ce
m
atc
h
i
n
g
w
it
h
a
f
r
ac
tio
n
al
b
a
n
d
w
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th
(
FB
W
)
o
f
1
0
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%.
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w
e
v
er
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e
i
m
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ce
m
atc
h
in
g
o
f
a
n
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n
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3
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m
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ed
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ig
n
if
ican
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l
y
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it
h
a
to
tal
FB
W
o
f
1
4
6
%.
T
h
e
d
iam
o
n
d
s
lo
t
is
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t,
an
d
th
e
FB
W
o
f
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n
a
5
is
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ce
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3
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ased
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n
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tch
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n
g
h
ar
m
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n
ic
s
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d
SM
A
co
n
n
ec
to
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lo
s
s
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T
ab
le
1
.
Dim
e
n
s
io
n
s
o
f
d
e
m
o
n
s
tr
ated
an
te
n
n
a
P
a
r
a
me
t
e
r
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S2
L
Wa
La
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Lg
Wg
S
c
pw
V
a
l
u
e
(
mm
)
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5
14
21
28
43
1
4
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5
2
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5
4
14
1
2
.
2
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e
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l
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e
(
mm
)
0
.
5
1
.
6
3
.
3
2
.
4
6
1
0.
0
3
5
24°
50°
36°
T
h
e
d
em
o
n
s
tr
ated
p
r
o
to
ty
p
es
o
f
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te
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b
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icate
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b
ased
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th
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s
i
m
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d
esig
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s
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o
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n
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F
ig
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2
(
c)
.
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h
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VSW
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is
m
ea
s
u
r
ed
u
s
i
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g
a
B
&
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Z
VB
1
4
v
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to
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
7
,
No
.
6
,
Dec
em
b
er
2
0
1
7
:
2
9
2
9
–
2
9
3
5
2932
n
et
w
o
r
k
a
n
al
y
ze
r
.
T
h
e
m
ea
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u
r
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8
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5
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ce
n
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e
f
r
eq
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f
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w
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s
tes
ted
f
o
r
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te
n
n
a
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b
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is
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tti
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atc
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ased
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if
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b
y
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tti
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ate
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p
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atch
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g
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at
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m
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g
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u
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s
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m
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lated
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d
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s
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h
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o
th
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te
n
n
a
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d
an
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n
n
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5
ar
e
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s
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n
g
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Mic
r
o
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u
r
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6
d
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h
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a
n
ten
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al
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e
f
r
eq
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h
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o
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le
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ain
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n
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2
d
B
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o
r
b
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th
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ten
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s
.
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r
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5
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ai
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cc
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ed
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ig
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e
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ted
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d
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u
r
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7
ill
u
s
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ates
th
e
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r
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ad
iatio
n
p
atter
n
f
o
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th
e
d
e
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ated
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n
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n
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h
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ax
i
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m
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ic
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ield
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ted
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4
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d
5
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2
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8
5
.
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m
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it
h
a
n
a
n
g
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n
d
7
7
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4
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m
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th
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n
an
g
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o
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1
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tiv
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r
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er
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e
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ea
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r
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l
t
s
d
is
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la
y
t
h
at
t
h
e
d
em
o
n
s
tr
ated
an
ten
n
a
h
a
s
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o
m
n
id
ir
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tio
n
al
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ad
iatio
n
p
atter
n
.
Fig
u
r
e
4
.
Si
m
u
lated
VSW
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v
a
lid
atio
n
s
o
f
d
esi
g
n
s
tep
s
f
o
r
an
ten
n
a
1
–
5
(a
)
(
b)
Fig
u
r
e
5
.
E
v
alu
atio
n
o
f
VSW
R
in
v
ar
io
u
s
s
it
u
atio
n
s
,
(
a)
m
e
asu
r
e
m
en
t V
SW
R
o
f
a
n
te
n
n
a
s
3
,
4
,
an
d
5
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(
b
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Valid
atio
n
o
f
s
i
m
u
lated
an
d
m
ea
s
u
r
ed
VSW
R
o
f
an
te
n
n
a
s
4
an
d
5
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2
0
8
8
-
8708
I
n
ve
r
ted
Dia
mo
n
d
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s
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p
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2933
Fig
u
r
e
6.
Si
m
u
lated
g
ai
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o
f
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n
ten
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4
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r
e
7.
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asu
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atter
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CO
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et
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in
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ates
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n
e
w
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n
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test
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atch
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tio
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ate
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atch
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h
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m
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ex
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ib
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c
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t
co
m
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atib
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t
y
w
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th
t
h
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s
i
m
u
latio
n
.
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h
e
p
r
o
p
o
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m
et
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o
d
en
ab
les
th
e
av
o
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ce
o
f
t
h
e
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b
an
d
in
h
ig
h
-
f
r
eq
u
en
c
y
w
ir
ele
s
s
ap
p
licatio
n
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
7
,
No
.
6
,
Dec
em
b
er
2
0
1
7
:
2
9
2
9
–
2
9
3
5
2934
ACK
NO
WL
E
D
G
E
M
E
NT
S
T
h
e
r
esear
ch
er
s
ar
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g
r
atef
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l
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Un
iv
er
s
iti
T
u
n
H
u
s
s
ein
On
n
Ma
la
y
s
ia
(
UT
HM
)
f
o
r
s
p
o
n
s
o
r
in
g
t
h
i
s
w
o
r
k
.
RE
F
E
R
E
NC
E
S
[1
]
F
.
C.
Co
m
m
issio
n
,
“
In
th
e
m
a
tt
e
r
o
f
re
v
isio
n
o
f
p
a
rt
1
5
o
f
th
e
c
o
m
m
i
ss
io
n
'
s
ru
les
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g
a
rd
in
g
u
lt
ra
-
w
id
e
b
a
n
d
tran
sm
issio
n
s
y
ste
m
s,
”
Fi
rs
t
Rep
o
rt a
n
d
Or
d
e
r in
E
T
Do
c
k
e
t,
p
p
.
9
8
-
1
5
3
,
2
0
0
2
.
[2
]
Z.
T
a
n
g
,
e
t
a
l.
,
“
Diff
e
re
n
ti
a
l
-
f
e
d
UW
B
p
a
tch
a
n
ten
n
a
w
it
h
tri
p
le
b
a
n
d
-
n
o
tch
e
d
c
h
a
ra
c
teristics
,
”
El
e
c
tro
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ics
L
e
tt
e
rs
,
v
o
l.
5
1
,
p
p
.
1
7
2
8
-
1
7
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0
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0
1
5
.
[3
]
Y.
-
P
.
Z
h
a
n
g
a
n
d
C.
-
M
.
L
i,
“
De
sig
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sm
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ten
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,
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El
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tro
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L
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,
v
o
l.
5
1
,
p
p
.
1
7
2
7
-
1
7
2
8
,
2
0
1
5
.
[4
]
P
.
N.
S
h
i
n
d
e
a
n
d
B.
M
ish
ra
,
“
On
th
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sig
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o
f
c
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m
p
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t
UW
B
a
n
te
n
n
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it
h
7
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Hz
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a
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-
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tch
c
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ra
c
teristics
,
”
ni
Ad
v
a
n
c
e
s i
n
T
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c
h
n
o
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o
g
y
a
n
d
En
g
in
e
e
rin
g
(
ICAT
E),
2
0
1
3
In
ter
n
a
ti
o
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a
l
Co
n
fer
e
n
c
e
o
n
,
2
0
1
3
,
p
p
.
1
-
4.
[5
]
R.
R.
Krish
n
a
,
e
t
a
l.
,
“
A
Circu
larly
P
o
lariz
e
d
S
l
o
t
A
n
ten
n
a
f
o
r
Hig
h
Ga
in
A
p
p
li
c
a
ti
o
n
s,
”
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U
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In
ter
n
a
ti
o
n
a
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rn
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l
o
f
El
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c
tro
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ics
a
n
d
C
o
mm
u
n
ica
ti
o
n
s,
v
o
l.
6
8
,
p
p
.
1
1
1
9
–
1
1
2
8
,
2
0
1
4
.
[6
]
S
.
M
a
it
i
,
e
t
a
l
.
,
“
Co
m
p
a
c
t
p
lan
a
r
G
-
sh
a
p
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U
W
B
a
n
ten
n
a
w
it
h
n
o
tc
h
c
h
a
ra
c
teristics
f
o
r
sa
telli
te
c
o
m
m
u
n
ica
ti
o
n
,
”
in
Co
mp
u
t
in
g
,
Co
mm
u
n
ica
ti
o
n
a
n
d
Ne
two
rk
in
g
T
e
c
h
n
o
l
o
g
ies
(
ICCC
NT
),
2
0
1
4
In
ter
n
a
ti
o
n
a
l
C
o
n
fer
e
n
c
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n
,
2
0
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,
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p
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1
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3.
[7
]
W
.
X
iao
,
e
t
a
l.
,
“
T
rip
le
b
a
n
d
-
n
o
tch
e
d
UW
B
m
o
n
o
p
o
le
a
n
ten
n
a
o
n
u
lt
ra
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th
in
l
iq
u
id
c
ry
sta
l
p
o
l
y
m
e
r
b
a
se
d
o
n
ES
CS
RR,
”
El
e
c
tro
n
ics
L
e
tt
e
rs
,
v
o
l.
5
3
,
p
p
.
5
7
-
5
8
,
2
0
1
7
.
[8
]
A
.
A
b
d
o
ll
a
h
v
a
n
d
,
e
t
a
l
.
,
“
A
Co
m
p
a
c
t
UW
B
P
rin
ted
M
o
n
o
p
o
le
A
n
ten
n
a
w
it
h
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rip
le
-
Ba
n
d
No
tch
e
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.
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rc
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a
l.
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teristics
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1
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D.
-
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Kim
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,
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K.
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3
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0
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.
Un
it
o
f
me
a
su
re
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o
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v
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io
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s
e
q
u
iva
len
c
es
.
Av
a
il
a
b
le:
h
tt
p
:/
/www
.
th
e
m
e
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n
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t/
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iam
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-
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u
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.
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4
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K.
V
y
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s
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a
l.
,
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n
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ly
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if
ied
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ro
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tru
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s,
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ss
In
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e
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s R
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v
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p
p
.
1
5
9
–
1
7
0
,
2
0
1
4
.
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I
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G
RAP
H
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O
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AUTH
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RS
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e
d
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k
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m
w
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s
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g
h
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a
d
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iv
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a
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g
d
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g
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e
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it
h
h
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n
o
rs)
i
n
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e
c
tri
c
a
l
En
g
in
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f
ro
m
th
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o
f
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-
M
u
sta
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g
h
d
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d
,
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q
in
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0
0
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.
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e
iv
e
d
a
M
a
ste
r
d
e
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re
e
M
S
c
in
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tri
c
a
l
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g
in
e
e
rin
g
f
ro
m
th
e
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a
c
u
lt
y
o
f
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e
c
tri
c
a
l
a
n
d
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e
c
tro
n
ic
En
g
in
e
e
rin
g
,
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iv
e
rsi
ti
T
u
n
Hu
ss
e
in
On
n
M
a
lay
si
a
(U
T
HM)
in
2
0
1
5
.
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is
c
u
rre
n
tl
y
w
o
rk
in
g
to
w
a
rd
s
h
is
P
h
D
a
t
th
e
F
a
c
u
lt
y
o
f
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t
rica
l
a
n
d
El
e
c
tro
n
ic
En
g
in
e
e
rin
g
,
Un
iv
e
rsiti
T
u
n
Hu
ss
e
in
On
n
M
a
lay
si
a
(UTH
M
).
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re
se
a
rc
h
in
tere
sts
m
a
in
ly
f
o
c
u
s
o
n
a
n
te
n
n
a
d
e
sig
n
,
m
icro
w
a
v
e
c
o
m
m
u
n
ica
ti
o
n
,
a
n
d
e
lec
tro
m
a
g
n
e
ti
c
in
terf
e
re
n
c
e
(
EM
I
)
.
K
.
N.
Ra
m
li
w
a
s
b
o
rn
in
Ba
tu
P
a
h
a
t
,
Jo
h
o
r,
M
a
lay
sia
,
in
1
9
7
4
.
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o
b
tain
e
d
a
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g
d
e
g
re
e
in
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e
c
tro
n
ic
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g
in
e
e
ri
n
g
f
ro
m
th
e
Un
iv
e
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y
o
f
M
a
n
c
h
e
ste
r
In
stit
u
te
o
f
S
c
ien
c
e
a
n
d
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h
n
o
lo
g
y
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S
T
),
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it
e
d
Ki
n
g
d
o
m
in
1
9
9
7
,
a
n
d
th
e
n
M
E
n
g
in
U
n
iv
e
rsiti
Ke
b
a
n
g
sa
a
n
M
a
la
y
sia
(UK
M
),
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a
la
y
sia
in
2
0
0
4
.
T
h
e
n
f
ro
m
2
0
0
7
h
e
w
o
rk
e
d
w
it
h
in
th
e
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n
ten
n
a
s
a
n
d
A
p
p
li
e
d
El
e
c
tro
m
a
g
n
e
ti
c
re
se
a
rc
h
g
ro
u
p
a
t
Un
iv
e
rsity
o
f
B
ra
d
f
o
rd
,
Un
it
e
d
Kin
g
d
o
m
o
n
a
n
u
m
b
e
r
o
f
p
ro
jec
ts,
c
o
n
c
e
n
tratin
g
o
n
a
n
ten
n
a
d
e
sig
n
a
n
d
c
o
m
p
u
tati
o
n
a
l
e
lec
tro
m
a
g
n
e
ti
c
s.
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re
c
e
iv
e
d
a
P
h
D
d
e
g
re
e
f
o
r
re
se
a
rc
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lec
tro
m
a
g
n
e
ti
c
p
ro
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lem
s
u
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g
h
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b
rid
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o
m
p
u
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o
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s
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ro
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th
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Un
iv
e
rsity
o
f
Bra
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f
o
rd
,
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it
e
d
Ki
n
g
d
o
m
in
2
0
1
1
.
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is
c
u
rre
n
tl
y
w
o
rk
in
g
a
t
th
e
F
a
c
u
lt
y
o
f
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e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ic
En
g
in
e
e
rin
g
,
Un
iv
e
rsiti
T
u
n
Hu
ss
e
in
On
n
M
a
lay
sia
(U
T
HM).
His
m
a
in
in
tere
sts
a
re
in
th
e
f
ield
o
f
c
o
m
p
u
tatio
n
a
l
e
lec
tro
m
a
g
n
e
ti
c
s,
a
n
ten
n
a
d
e
sig
n
a
n
d
ra
d
io
f
re
q
u
e
n
c
y
c
ircu
it
d
e
sig
n
,
a
n
d
w
irele
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c
o
m
m
u
n
ica
ti
o
n
s.
He
is
a
g
ra
d
u
a
te
m
e
m
b
e
r
o
f
Bo
a
rd
o
f
En
g
in
e
e
rs
M
a
la
y
sia
(BEM
),
m
e
m
b
e
r
o
f
th
e
In
stit
u
te
o
f
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ics
En
g
in
e
e
rs
(IE
EE
),
a
n
d
m
e
m
b
e
r
o
f
Ja
lu
r
S
e
lata
n
Ra
d
io
Am
a
tu
r
(JA
S
R
A
)
Jo
h
o
r,
M
a
lay
si
a
.
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a
n
jo
n
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a
li
m
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k
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f
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a
la
y
a
,
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a
la
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m
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m
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o
f
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o
u
g
h
b
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ro
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g
h
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8
,
a
n
d
a
P
h
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d
e
g
re
e
in
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c
t
ro
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a
n
d
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m
m
u
n
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n
f
r
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m
th
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o
f
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d
f
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rd
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h
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ld
th
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tu
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siti
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e
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a
la
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m
p
u
r
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iKL
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o
m
b
a
k
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o
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u
n
Hu
ss
e
in
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n
M
a
la
y
sia
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T
HM),
P
a
rit
Ra
ja,
B
a
tu
P
a
h
a
t,
Jo
h
o
r,
M
a
lay
sia
.
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re
se
a
rc
h
in
tere
sts
c
o
v
e
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e
h
y
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rid
e
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ti
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c
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R
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s
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h
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n
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se
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k
m
a
n
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a
h
w
a
s
b
o
rn
in
Ku
a
la
L
u
m
p
u
r,
M
a
la
y
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e
re
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g
d
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r
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e
le
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m
m
u
n
ica
ti
o
n
s
f
ro
m
Un
iv
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T
e
k
n
o
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a
lay
sia
in
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a
n
d
a
M
S
c
in
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m
m
u
n
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ti
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n
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rk
s
a
n
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o
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t
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s
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ro
m
th
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sit
y
o
f
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u
rre
y
,
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in
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0
1
3
.
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is
c
u
rre
n
tl
y
a
l
e
c
tu
re
r
in
th
e
F
a
c
u
l
ty
o
f
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tri
c
a
l
a
n
d
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e
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tro
n
ic
E
n
g
in
e
e
rin
g
,
Un
iv
e
rsiti
T
u
n
Hu
ss
e
i
n
On
n
M
a
la
y
sia
.
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re
se
a
rc
h
in
tere
sts
a
re
w
irel
e
ss
a
n
d
m
o
b
il
e
c
o
m
m
u
n
ica
ti
o
n
s,
i
n
tern
e
t
traff
ic
e
n
g
in
e
e
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g
,
n
e
tw
o
rk
s
y
ste
m
m
a
n
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g
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m
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n
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d
a
ta
se
c
u
rit
y
a
n
d
sa
telli
te co
m
m
u
n
ica
ti
o
n
s.
Abd
u
l
Ra
s
h
i
d
O
m
a
r
M
u
m
i
n
w
a
s
b
o
rn
in
M
o
g
a
d
ish
u
,
S
o
m
a
li
a
in
1
9
8
6
.
He
re
c
e
i
v
e
d
a
BEn
g
d
e
g
re
e
(
w
it
h
h
o
n
o
rs)
in
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ic
En
g
in
e
e
ri
n
g
f
ro
m
Un
iv
e
rsiti
T
u
n
Hu
ss
e
in
On
n
M
a
la
y
sia
(U
T
HM)
in
2
0
1
3
,
th
e
M
S
c
d
e
g
re
e
in
E
lec
tri
c
a
l
En
g
in
e
e
rin
g
f
ro
m
Un
iv
e
rsiti
T
u
n
Hu
ss
e
in
On
n
M
a
lay
sia
(U
T
HM)
in
2
0
1
5
.
He
is
c
u
rre
n
tl
y
w
o
rk
in
g
to
wa
rd
s
h
is
P
h
D
a
t
th
e
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ic
En
g
in
e
e
rin
g
,
Un
iv
e
rsiti
T
u
n
Hu
ss
e
in
On
n
M
a
lay
si
a
(U
T
HM).
His
re
se
a
rc
h
in
tere
sts in
c
lu
d
e
a
n
ten
n
a
d
e
sig
n
,
m
icro
w
a
v
e
d
e
v
ic
e
s an
d
w
irele
ss
c
o
m
m
u
n
ica
ti
o
n
s.
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