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I
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RE
F
E
R
E
NC
E
S
[1
]
P
.
K.
S
in
g
h
a
l,
Bim
a
l
Ga
rg
,
“
De
si
g
n
a
n
d
Ch
a
ra
c
teriz
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ti
o
n
o
f
Co
m
p
a
c
t
M
icro
strip
P
a
tch
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n
ten
n
a
u
sin
g
S
p
li
t
Rin
g
S
h
a
p
e
d
M
e
tam
a
teri
a
l
S
tru
c
tu
re
”
,
IJ
ECE
,
Vo
l.
2
,
N
o
.
5
,
p
p
.
6
5
5
-
6
6
2
,
Oc
to
b
e
r
2
0
1
2
.
[2
]
M
d
.
M
a
r
u
f
A
h
a
m
e
d
,
e
t.
a
l.
,
“
Re
c
tan
g
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lar
M
icro
stri
p
P
a
tch
A
n
ten
n
a
a
t
2
G
HZ
o
n
Diff
e
re
n
t
Die
lec
tri
c
Co
n
sta
n
t
f
o
r
P
e
rv
a
siv
e
W
irele
ss
Co
m
m
u
n
ica
ti
o
n
”
,
IJ
ECE
,
V
o
l
.
2
,
No
.
3
,
p
p
.
4
1
7
-
4
2
4
,
J
u
n
e
2
0
1
2
.
[3
]
Aw
a
n
g
,
Z,
e
t.
a
l.
,
“
A
Fre
e
-
sp
a
c
e
M
e
th
o
d
fo
r
C
o
mp
lex
Per
mitt
ivity
M
e
a
su
re
me
n
t
o
f
Bu
lk
a
n
d
t
h
in
F
il
m
Die
lec
trics
a
t
M
icr
o
wa
v
e
F
re
q
u
e
n
c
ies
”
,
P
r
o
g
re
ss
In
El
e
c
tro
m
a
g
n
e
ti
c
s Re
se
a
r
c
h
B.
,
5
1
,
3
0
7
–
3
2
8
,
2
0
1
3
.
J.
Ba
k
e
r
-
Ja
rv
is,
[4
]
A
.
M
.
Nic
h
o
lso
n
,
G
.
F
.
R
o
ss
,
“
M
e
a
su
re
m
e
n
t
o
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th
e
In
tri
n
sic
P
ro
p
e
rti
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s
o
f
M
a
teria
ls
b
y
T
i
m
e
Do
m
a
i
n
T
e
c
h
n
iq
u
e
s”
,
IEE
E
T
ra
n
s.
I
n
stru
m.
M
e
a
s.,
v
o
l.
IM
-
1
9
,
p
p
.
3
7
7
–
3
8
2
,
N
o
v
e
m
b
e
r
1
9
7
0
.
[5
]
F
.
S
a
g
n
a
rd
,
F
.
Be
n
tab
e
t,
C
.
V
ig
n
a
t,
IEE
E
T
ra
n
s.
On
In
st
r
u
m
e
n
tatio
n
&
M
e
a
su
re
m
e
n
t,
v
o
l.
5
4
,
n
o
.
3
,
1
2
7
4
,
Ju
n
e
2
0
0
5
.
[6
]
J.
Ba
k
e
r
-
J
a
rv
is,
“
T
r
a
n
s
m
issio
n
/R
e
f
le
c
ti
o
n
a
n
d
S
h
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rt
-
C
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it
L
in
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P
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rm
it
ti
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it
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e
a
su
re
m
e
n
ts
”,
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a
ti
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a
l
In
stit
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te
o
f
S
tan
d
a
rd
s a
n
d
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c
h
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,
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u
ld
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lo
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8
0
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0
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2
8
,
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u
ly
1
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9
0
.
[7
]
G
.
F
.
En
g
e
n
,
C.
A
.
Ho
e
r,
“
T
h
ru
-
Re
f
le
c
t
-
L
in
e
:
A
n
I
m
p
ro
v
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d
Te
c
h
n
iq
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f
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Ca
li
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ra
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g
th
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Du
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p
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rt
A
u
to
m
a
ti
c
Ne
tw
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rk
A
n
a
l
y
se
r”
,
IEE
E
T
ra
n
s.
On
M
T
T
, v
o
l
.
4
5
,
n
o
.
1
2
,
p
p
.
9
8
7
-
9
9
3
,
De
c
e
m
b
e
r
1
9
7
9
.
[8
]
Ha
sa
r,
U.
C.
,
“
A
N
e
w
C
a
li
b
ra
ti
o
n
-
in
d
e
p
e
n
d
e
n
t
M
e
th
o
d
f
o
r
Co
m
p
lex
P
e
r
m
it
ti
v
it
y
Ex
tr
a
c
ti
o
n
o
f
S
o
li
d
Die
lec
tri
c
M
a
teria
ls,
”
IEE
E
M
icr
o
wa
v
e
W
ire
les
s Co
mp
o
n
.
L
e
tt
e
rs
,
v
o
l.
1
8
,
n
o
.
1
2
,
p
p
.
7
8
8
–
7
9
0
,
2
0
0
8
.
[9
]
U.
C.
Ha
sa
r,
O.
S
i
m
se
k
,
“
On
th
e
Ap
p
li
c
a
ti
o
n
o
f
M
icr
o
wa
v
e
Ca
li
b
r
a
ti
o
n
-
i
n
d
e
p
e
n
d
e
n
t
M
e
a
s
u
re
me
n
ts
fo
r
No
n
i
n
v
a
siv
e
T
h
ick
n
e
ss
Eva
lu
a
t
io
n
o
f
M
e
d
iu
m
o
r
lo
w
L
o
ss
S
o
li
d
M
at
e
ria
ls”
,
P
r
o
g
re
ss
In
El
e
c
tro
m
a
g
n
e
ti
c
s
Re
se
a
rc
h
,
P
IER
9
1
,
p
p
.
3
7
7
-
3
9
2
,
2
0
0
9
.
[1
0
]
M
.
D.
Ja
n
e
z
ic,
J.
A
.
Ja
rg
o
n
,
“
Co
m
p
lex
P
e
rm
it
ti
v
it
y
D
e
ter
m
in
a
ti
o
n
f
ro
m
P
r
o
p
a
g
a
ti
o
n
C
o
n
sta
n
t
M
e
a
su
re
m
e
n
ts”
,
IEE
E
M
icr
o
wa
v
e
a
n
d
G
u
id
e
d
W
a
v
e
L
e
tt
e
rs
,
v
o
l.
9
,
n
o
.
2
,
F
e
b
r
u
a
ry
1
9
9
9
.
[1
1
]
Ba
k
e
r
-
J
a
rv
is
J,
V
a
n
z
u
r
E
J,
Kiss
ick
,
W
A
,
“
I
m
p
ro
v
e
d
T
e
c
h
n
iq
u
e
f
o
r
De
ter
m
in
in
g
Co
m
p
lex
P
e
r
m
it
ti
v
it
y
w
it
h
th
e
T
ra
n
s
m
issio
n
/Ref
le
c
ti
o
n
M
e
th
o
d
”
,
IEE
E
T
ra
n
sa
c
ti
o
n
s
M
icr
o
wa
v
e
T
h
e
o
ry
a
n
d
T
e
c
h
n
iq
u
e
s
,
v
o
l.
3
8
,
n
o
.
8
,
pp.
1
0
9
6
-
1
1
0
3
,
1
9
9
0
B
I
O
G
RAP
H
I
E
S O
F
AUTH
O
RS
M
o
h
a
m
m
e
d
B
e
n
d
a
o
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re
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a
in
P
h
sy
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th
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,
A
fa
c
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lt
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sc
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f
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in
2
0
0
9
a
n
d
Dip
l
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m
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M
a
ste
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M
icro
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t
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F
a
c
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.
Cu
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ly
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g
P
h
.
D.
a
t
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e
Un
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F
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se
tt
a
t
M
o
ro
c
c
o
.
In
t
h
e
f
ield
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f
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tro
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tele
c
o
m
m
in
ica
ti
o
n
.
Its
c
u
rre
n
t
f
ield
o
f
re
se
a
rc
h
is
th
e
u
se
,
d
e
term
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th
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d
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c
tri
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e
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m
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.
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