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o
urna
l o
f
E
lect
rica
l
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ng
ineering
a
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Co
m
p
u
t
er
Science
Vo
l.
21
,
No
.
2
,
Feb
r
u
ar
y
2
0
2
1
,
p
p
.
9
0
3
~
9
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cs.ia
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Perf
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it
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b
in
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n
d
q
u
a
tera
d
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re
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k
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re
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th
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s
:
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d
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B
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C
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r
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m
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n
g
8
5
m
ar
w
a
@
g
m
ail.
c
o
m
1.
I
NT
RO
D
UCT
I
O
N
W
ith
t
h
e
d
ev
elo
p
in
g
o
f
t
h
e
tec
h
n
o
lo
g
y
a
n
d
g
r
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w
i
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t
h
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n
u
m
b
er
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f
th
e
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s
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s
as
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el
l
as
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n
cr
ea
s
e
th
e
ir
d
em
a
n
d
s
f
o
r
h
ig
h
s
p
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o
f
in
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er
n
et
s
er
v
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s
an
d
th
e
w
ir
ele
s
s
m
u
l
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p
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v
id
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s
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im
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g
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.
.
.
etc
lead
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is
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g
t
h
e
ef
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o
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ts
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m
i
tig
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s
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li
m
itatio
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s
th
r
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u
g
h
d
ev
elo
p
in
g
t
h
e
w
ir
eless
co
m
m
u
n
icatio
n
s
y
s
te
m
[1
-
3]
.
I
n
ad
d
itio
n
,
th
er
e
ar
e
d
i
f
f
er
en
t
c
h
alle
n
g
e
s
f
ac
i
n
g
th
e
w
ir
ele
s
s
co
m
m
u
n
icatio
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s
y
s
te
m
esp
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iall
y
at
t
h
e
r
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eiv
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en
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s
s
u
c
h
a
s
c
h
a
n
n
el
f
ad
i
n
g
,
i
n
ter
f
er
e
n
ce
a
n
d
o
t
h
er
c
h
an
n
el
n
o
is
e
p
h
e
n
o
m
e
n
a
[
4
,
5
]
.
T
h
u
s
,
t
h
e
u
tili
zi
n
g
o
f
m
u
lt
ip
le
an
te
n
n
a
s
at
th
e
tr
an
s
m
i
tter
en
d
s
an
d
r
ec
eiv
er
en
d
s
th
r
o
u
g
h
ap
p
l
y
i
n
g
t
h
e
d
iv
er
s
i
t
y
tech
n
iq
u
es
i
n
o
r
d
er
to
en
h
an
ce
th
e
s
y
s
te
m
d
ata
r
ate
is
a
s
ig
n
i
f
ica
n
t
s
o
lu
t
io
n
to
m
iti
g
ate
t
h
e
i
m
p
air
m
e
n
t
s
o
f
th
e
w
ir
ele
s
s
ch
a
n
n
el
w
h
ic
h
it
is
h
av
in
g
th
e
m
ai
n
r
o
le
to
r
ed
u
ce
th
e
ca
p
ac
it
y
o
f
w
ir
eless
co
m
m
u
n
icat
io
n
s
s
y
s
te
m
[
6
,
7
]
.
T
h
e
s
p
atial
m
u
ltip
le
x
in
g
co
u
ld
tr
an
s
m
it
s
ev
er
al
in
d
e
p
en
d
en
t
d
ata
s
tr
ea
m
s
th
r
o
u
g
h
m
u
ltip
ath
c
h
an
n
el
s
w
it
h
o
u
t r
eq
u
i
r
ed
in
cr
ea
s
i
n
g
b
an
d
w
id
th
i
n
ter
m
s
o
f
ac
h
ie
v
in
g
a
h
ig
h
d
ata
r
ate.
L
MM
SE
m
et
h
o
d
co
u
ld
esti
m
a
te
th
e
tr
a
n
s
m
it
ted
s
i
g
n
al
v
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co
m
b
in
i
n
g
t
h
e
lin
ea
r
w
ei
g
h
t
o
f
r
ec
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ed
v
er
s
io
n
o
f
t
h
e
s
i
g
n
a
ls
[
8
,
9
]
.
Ho
w
e
v
er
,
L
MM
SE
m
et
h
o
d
is
co
m
p
le
x
[
1
0
]
.
I
t
co
u
ld
p
r
o
v
id
e
an
ef
f
icie
n
t
m
et
h
o
d
to
d
etec
t
th
e
s
ig
n
al
at
th
e
r
ec
eiv
er
[
1
1
,
12]
.
T
h
er
ef
o
r
e,
ac
co
r
d
in
g
to
[
1
3
,
1
4
]
th
is
m
e
th
o
d
in
tr
o
d
u
ce
s
an
i
m
p
o
r
tan
t
tr
ad
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f
f
b
et
w
e
en
th
e
co
m
p
lex
it
y
an
d
th
e
p
er
f
o
r
m
a
n
ce
.
T
h
is
p
ap
er
f
o
cu
s
e
s
o
n
i
m
p
r
o
v
in
g
t
h
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ch
a
n
n
el
ca
p
ac
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o
f
tr
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s
m
itt
in
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a
u
d
io
s
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ti
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SM
a
t
th
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e
n
d
o
f
t
h
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s
en
d
er
a
n
d
L
M
MSE
m
eth
o
d
at
t
h
e
ac
ce
p
ter
.
Fu
r
t
h
er
m
o
r
e,
t
w
o
co
n
s
tel
latio
n
s
ce
n
ar
io
s
,
as
w
ell
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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:
2
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I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
21
,
No
.
2
,
Feb
r
u
ar
y
2
0
2
1
:
90
3
-
9
10
904
as
v
ar
io
u
s
a
n
ten
n
as
co
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f
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g
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r
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ter
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B
P
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ter
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f
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ch
an
n
el
ca
p
ac
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y
a
n
d
b
it e
r
r
o
r
r
ate
(
B
E
R
)
.
T
h
er
e
ar
e
m
an
y
p
ap
er
s
w
er
e
co
v
er
ed
n
u
m
er
o
u
s
d
etec
tio
n
m
eth
o
d
s
to
en
h
an
ce
t
h
e
p
er
f
o
r
m
in
g
o
f
t
h
e
m
u
lti
m
ed
ia
tr
an
s
m
is
s
io
n
.
W
h
er
ein
[
1
5
]
,
th
is
p
ap
er
u
s
es
t
h
e
least
s
q
u
ar
e
(
L
S)
c
h
an
n
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t
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m
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f
o
r
a
b
etter
d
ata
r
ate.
Mo
r
eo
v
er
,
th
e
r
esear
ch
er
in
[
1
]
,
u
ti
lize
s
r
ec
u
r
s
i
v
e
l
ea
s
t
s
q
u
ar
e
s
(
R
L
S)
p
r
o
v
id
in
g
b
etter
p
er
f
o
r
m
a
n
ce
th
an
L
S.
W
h
ile
in
[
4
]
,
th
e
y
s
u
g
g
est
an
ad
v
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ce
d
m
i
n
i
m
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m
m
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s
q
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s
s
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n
ter
f
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ce
ca
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llatio
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(
MM
SE
-
SIC)
d
et
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tio
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tech
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iq
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e
w
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tp
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s
s
iv
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Se
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s
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n
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b
ased
L
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s
t
Sq
u
ar
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ch
a
n
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el
e
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ti
m
ati
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h
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e
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L
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-
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S)
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t
h
e
r
ec
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er
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il
l
i
m
p
r
o
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h
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u
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y
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f
t
h
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o
v
er
ed
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d
io
s
i
g
n
a
l.
I
n
ad
d
itio
n
,
th
e
[
1
6
]
in
tr
o
d
u
ce
s
an
eq
u
alize
r
t
h
at
co
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ld
p
er
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M
MSE
d
etec
to
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b
u
t
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th
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s
co
m
p
l
ex
it
y
.
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h
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p
ap
er
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p
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o
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i
m
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en
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i
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ia
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s
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it a
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io
s
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g
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is
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d
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ed
.
[
1
7
]
.
T
h
is
p
ap
er
is
p
r
o
p
o
s
e
d
an
ef
f
icie
n
t a
l
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ith
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ca
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ar
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s
in
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d
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iq
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th
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p
r
o
p
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ed
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o
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ith
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is
i
m
p
le
m
e
n
ted
w
it
h
o
u
t
u
s
i
n
g
ST
C
[
1
8
]
.
T
h
is
p
ap
er
is
o
r
g
an
ized
in
to
f
o
u
r
s
ec
tio
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,
Sectio
n
2
d
escr
ib
es
t
h
e
t
h
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o
r
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l
an
al
y
s
i
s
o
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s
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t
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m
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lt
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Fin
all
y
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Sectio
n
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co
n
clu
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es t
h
is
p
ap
e
r.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
is
s
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tio
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is
e
m
p
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to
d
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te
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o
r
b
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s
m
i
tter
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d
r
ec
ei
v
er
as
d
ep
icted
in
F
ig
u
r
e
1
.
T
h
e
in
p
u
t
d
ata
i
s
p
r
o
v
id
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g
f
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m
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s
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n
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n
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r
esp
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n
d
in
g
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it
s
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y
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o
d
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ital
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n
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ter
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h
e
co
d
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w
o
r
d
s
ar
e
g
en
er
ated
a
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ter
ap
p
l
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s
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f
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its
to
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ch
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n
el
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d
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y
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tili
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lin
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r
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d
e
(
L
B
C
)
p
ar
ticu
lar
l
y
h
a
m
m
in
g
co
d
e
[
1
9
]
w
h
ic
h
h
av
e
th
e
ab
ili
t
y
to
co
r
r
ec
t
o
n
e
er
r
o
r
an
d
d
etec
t
t
w
o
er
r
o
r
s
[
2
0
,
2
1
]
.
H
en
ce
,
th
e
co
d
ed
in
f
o
r
m
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b
it
s
ar
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ter
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e
m
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s
y
m
b
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r
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in
to
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t h
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itted
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R
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t
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T
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d
e
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in
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to
r
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o
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s
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n
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Fig
u
r
e
1
.
T
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m
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o
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T
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2
2
-
2
4
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m
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[
2
5
]
.
{
}
(
1
)
W
h
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e
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r
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e
i
n
d
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d
en
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s
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y
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e
e
f
f
i
cien
c
y
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p
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m
u
l
tip
lex
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(
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co
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b
e
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b
tain
ed
as
(
2
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W
h
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d
en
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to
th
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ax
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m
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m
s
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ate
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h
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h
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l si
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(
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(
̂
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eq
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ld
ill
u
s
tr
ate
as
√
(
3
)
R
ep
r
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ti
n
g
th
e
Her
m
itia
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o
p
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f
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e;
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e
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to
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̃
(
4
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T
h
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r
e;
th
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m
ated
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s
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n
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ti
m
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th
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̃
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∑
̃
(
5
)
̃
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(
∑
)
√
∑
∑
̃
(
6
)
B
y
n
o
r
m
alize
d
(
6
)
as (
7
)
,
th
e
esti
m
ated
s
ig
n
al
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s
(
8
)
̂
̃
√
∑
(
7
)
̂
∑
∑
∑
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√
∑
(
8
)
Fro
m
(
8
)
,
th
is
e
s
ti
m
ated
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ec
ei
v
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s
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l
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th
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a,
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u
t
t
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s
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ac
ted
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ter
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s
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n
th
e
s
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d
an
d
t
h
ir
d
ter
m
s
in
(
8
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,
r
esp
ec
tiv
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y
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h
en
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t
h
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ax
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m
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ate
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itted
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̂
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h
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et
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ter
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f
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r
o
m
n
o
is
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a
m
p
lif
icatio
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.
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.
21
,
No
.
2
,
Feb
r
u
ar
y
2
0
2
1
:
90
3
-
9
10
906
3.
RE
SU
L
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D
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s
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e
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.
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h
e
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o
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th
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m
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lated
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s
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e
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itted
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e
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n
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tate
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in
(
1
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[
2
5
]
.
Fig
u
r
e
2
s
h
o
w
s
a
R
a
y
le
ig
h
f
ad
in
g
ch
a
n
n
el
ca
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ac
it
y
f
o
r
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o
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r
d
if
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er
en
t
t
y
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es o
f
co
n
f
i
g
u
r
atio
n
s
u
s
in
g
B
P
SK.
Fig
u
r
e
2
.
R
a
y
lei
g
h
f
ad
i
n
g
c
h
a
n
n
el
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p
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it
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at
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P
SK
T
h
e
ca
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ac
ity
o
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u
s
i
n
g
e
ig
h
t a
n
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n
a
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at
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e
n
d
s
o
f
th
e
tr
an
s
m
i
tter
an
d
t
h
e
r
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eiv
er
i
s
t
h
e
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est o
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h
e
o
th
er
co
n
f
ig
u
r
atio
n
s
i
n
th
e
s
a
m
e
t
y
p
e
o
f
co
n
s
tellatio
n
w
h
ic
h
is
B
P
SK
m
o
d
u
latio
n
[
6
]
.
H
o
w
e
v
er
;
th
e
s
ec
o
n
d
s
ce
n
ar
io
d
ea
ls
w
ith
t
h
e
o
th
er
t
y
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e
w
h
ic
h
is
QP
SK
m
o
d
u
lat
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n
.
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t
is
k
n
o
w
n
th
at
t
h
e
d
ata
r
ate
o
f
QP
SK
is
t
w
ice
o
f
B
P
SK.
F
u
r
th
er
m
o
r
e,
th
e
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p
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it
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er
f
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r
m
a
n
ce
o
f
th
e
(
4
×4
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n
f
i
g
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r
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n
e
m
p
lo
y
i
n
g
Q
P
SK
is
th
e
s
a
m
e
a
s
th
e
(
8
×8
)
em
p
lo
y
i
n
g
B
P
S
K.
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t
h
e
o
th
er
s
id
e,
th
e
s
ec
o
n
d
p
ar
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eter
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h
at
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s
i
m
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n
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is
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e
s
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r
ch
i
s
th
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it
er
r
o
r
r
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(
B
E
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)
.
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n
b
o
th
s
ce
n
ar
io
s
,
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E
R
o
f
a
u
d
io
tr
an
s
m
is
s
io
n
is
r
ed
u
ce
d
u
t
ilizin
g
th
e
L
MM
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m
e
th
o
d
.
Fig
u
r
e
3
s
h
o
w
s
t
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e
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er
f
o
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a
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ce
o
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e
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izab
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at
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s
y
s
te
m
w
o
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k
s
b
etter
in
B
P
SK th
a
n
QP
SK.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
P
erfo
r
ma
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n
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a
n
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t o
f
A
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Fig
u
r
e
3
.
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y
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te
m
p
er
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ce
n
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s
:
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P
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n
d
QP
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T
h
e
(
8
×
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co
n
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ig
u
r
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is
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et
ter
p
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i
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g
in
t
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s
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.
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t
is
o
b
v
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in
th
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m
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er
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o
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e
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R
d
u
e
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g
t
h
e
L
M
MSE
m
et
h
o
d
as
s
h
o
w
n
i
n
Fi
g
u
r
e
3
w
h
ic
h
s
tr
ai
g
h
t
li
n
e
r
ep
r
esen
t
s
QP
SK
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d
d
as
h
li
n
e
r
ep
r
esen
t
s
B
P
SK.
T
h
is
p
er
f
o
r
m
an
ce
ev
en
i
n
co
n
f
i
g
u
r
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n
f
o
r
b
o
th
t
y
p
es
o
f
P
SK
m
o
d
u
latio
n
s
i
s
a
b
etter
th
an
t
h
e
s
i
m
u
l
ated
r
es
u
lts
in
[
4
]
b
ec
au
s
e
o
f
e
m
p
lo
y
i
n
g
h
y
b
r
id
tech
n
iq
u
e
s
o
f
L
MM
SE
d
etec
tio
n
,
L
B
C
,
an
d
in
ter
lea
v
i
n
g
tech
n
iq
u
e
wh
ich
is
r
a
n
d
o
m
ized
th
e
s
eq
u
en
t
ial
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its
o
f
th
e
a
u
d
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s
ig
n
al
i
n
w
h
ic
h
in
c
r
ea
s
in
g
t
h
e
ca
p
ab
ilit
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o
f
L
B
C
to
d
etec
t a
n
d
co
r
r
ec
t m
o
r
e
b
it
er
r
o
r
s
[
2
2
]
.
I
n
[
4
]
,
th
e
au
th
o
r
s
en
h
a
n
ce
d
L
MM
SE
-
SI
C
tech
n
iq
u
e
w
h
ile
it
is
m
o
r
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co
m
p
li
ca
ted
th
an
L
MM
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tech
n
iq
u
e.
Ho
w
e
v
er
,
th
e
B
E
R
ter
m
o
f
t
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
i
n
b
o
th
s
ce
n
ar
io
s
i
s
clea
r
l
y
les
s
th
a
n
t
h
e
ad
v
a
n
ce
d
MM
SE
-
SIC tec
h
n
iq
u
e.
Fu
r
t
h
er
m
o
r
e,
th
er
e
i
s
m
o
r
e
en
h
a
n
ce
m
en
t
ap
p
l
y
i
n
g
B
P
SK
th
a
n
QP
SK
i
n
t
h
i
s
r
esea
r
ch
d
u
e
to
i
m
p
le
m
en
t
in
g
g
r
o
u
p
ed
o
f
L
B
C
an
d
t
w
o
d
i
m
en
s
io
n
al
b
it
i
n
ter
leav
ed
.
T
h
er
e
is
a
tr
ad
e
-
o
f
f
b
et
w
ee
n
en
h
a
n
ce
d
ter
m
s
.
Fo
r
in
s
ta
n
ce
,
in
Fi
g
u
r
e
3
,
th
e
d
ash
ed
b
lu
e
cu
r
v
e
w
h
ic
h
is
(
1
×1
)
B
P
SK
p
er
f
o
r
m
s
th
e
s
a
m
e
o
f
th
e
p
u
r
p
le
cu
r
v
e
w
h
ich
is
(
4
×4
)
QP
SK
i
n
ter
m
s
o
f
B
E
R
w
h
ile,
in
Fi
g
u
r
e
2
,
t
h
e
c
h
an
n
el
ca
p
ac
it
y
o
f
th
e
s
ec
o
n
d
o
n
e
is
ef
f
icien
tl
y
th
e
m
o
r
e.
Ho
w
e
v
e
r
;
th
e
d
ash
ed
g
r
ee
n
c
u
r
v
e
w
h
ich
is
(
8
×8
)
B
P
SK
p
er
f
o
r
m
s
d
r
am
at
icall
y
b
etter
th
an
t
h
e
p
u
r
p
le
cu
r
v
e
w
h
ic
h
is
(
4
×4
)
QP
SK
w
h
ile
b
o
th
o
f
t
h
ese
t
w
o
s
y
s
te
m
s
ac
h
iev
ed
th
e
s
a
m
e
ch
a
n
n
e
l
ca
p
ac
it
y
.
Fi
g
u
r
e
4
p
r
esen
t
s
t
h
e
o
r
ig
in
al
tr
a
n
s
m
it
ted
au
d
io
s
i
g
n
al.
I
t
w
i
ll
b
e
u
t
ilized
to
co
m
p
ar
e
w
i
th
th
e
o
t
h
er
r
esu
lt
s
f
r
o
m
Fig
u
r
es 5
an
d
6
w
h
ich
d
e
n
o
te
th
e
r
ec
eiv
ed
a
u
d
io
s
ig
n
al
f
o
r
v
ar
io
u
s
SN
R
a
n
d
b
o
th
s
ce
n
ar
io
s
.
Fig
u
r
e
4
.
Or
ig
in
al
a
u
d
io
s
i
g
n
a
l
Fig
u
r
es
5
an
d
6
in
tr
o
d
u
ce
th
e
r
ec
eiv
ed
au
d
io
s
ig
n
a
ls
at
SNR
v
alu
e
o
f
5
im
p
le
m
e
n
ted
in
th
e
b
o
th
t
w
o
s
ce
n
ar
io
s
an
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2
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I
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d
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J
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m
p
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I
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N:
2502
-
4752
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etc.
RE
F
E
R
E
NC
E
S
[1
]
Y
.
L
ian
g
,
e
t
a
l
,
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R
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S
c
h
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sp
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M
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in
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Fi
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Co
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two
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in
Ch
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,
p
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1
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5
,
2
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6
.
[2
]
B
.
Da
s,
M
.
P
.
S
a
rm
a
,
a
n
d
K.
K.
S
a
rm
a
,
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Diffe
re
n
t
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sp
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f
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tec
h
n
iq
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e
s
in
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o
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m
u
n
ica
ti
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n
,
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in
In
telli
g
e
n
t
A
p
p
li
c
a
ti
o
n
s f
o
r He
ter
o
g
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e
o
u
s
S
y
ste
m M
o
d
e
li
n
g
a
n
d
De
sig
n
:
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o
b
a
l
,
p
p
.
3
3
5
-
3
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4
,
2
0
1
5
.
[3
]
R.
Bh
a
n
d
a
ri
a
n
d
S
.
Ja
d
h
a
v
,
"
S
p
e
c
tral
e
ff
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b
li
n
d
c
h
a
n
n
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l
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stim
a
ti
o
n
tec
h
n
iq
u
e
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m
i
m
o
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o
f
d
m
c
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m
m
u
n
ica
ti
o
n
s,"
In
ter
n
a
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J
o
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rn
a
l
o
f
A
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v
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n
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p
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e
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trica
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En
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g
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m
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e
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fo
rm
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t
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(
EE
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,
p
p
.
4
0
4
-
4
0
9
,
2
0
1
9
.
[2
4
]
V
.
V.
B
o
li
se
tt
y
,
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Ye
d
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a
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ra
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ter
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mm
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2
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,
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0
2
0
.
[2
5
]
J.
R.
Ha
m
p
to
n
,
I
n
tro
d
u
c
ti
o
n
to
M
IM
O co
mm
u
n
ica
ti
o
n
s
,
Ca
m
b
rid
g
e
u
n
iv
e
rsity
p
re
ss
,
2
0
1
3
.
B
I
O
G
RAP
H
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S O
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M
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r
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m
m
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d
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t
o
f
c
o
m
m
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o
n
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in
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\
c
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in
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f
ro
m
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e
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f
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y
a
la
\
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q
,
(
2
0
0
6
),
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n
d
sh
e
tak
e
s
m
a
st
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s
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e
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0
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)
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r
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)
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s
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g
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m
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g
\
u
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e
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y
o
f
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y
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la
\
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q
a
n
d
w
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rk
s
a
s
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ss
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t
lec
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ro
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r
(2
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u
p
to
d
a
te)
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t
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e
p
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f
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m
m
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g
\
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ll
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g
\
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iv
e
rsit
y
o
f
Di
y
a
l
a
.
Re
se
a
rc
h
In
tere
sts:
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irele
ss
c
o
m
m
u
n
ica
ti
o
n
tec
h
n
o
lo
g
y
,
m
o
b
il
e
a
n
d
sa
telli
te co
m
m
u
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ti
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sy
ste
m
,
c
o
d
i
n
g
a
n
d
in
f
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rm
a
ti
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th
e
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ry
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c
tu
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r
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a
r
a
a
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m
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te
m
t
e
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c
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g
in
th
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p
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rtm
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n
t
o
f
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m
m
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n
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it
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f
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y
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la.
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h
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tak
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e
b
a
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s
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re
e
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ield
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f
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g
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ro
m
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f
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y
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la
(2
0
0
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),
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n
d
sh
e
t
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k
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m
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s
d
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re
e
(2
0
1
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)
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t
th
e
f
ield
o
f
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e
c
tro
n
ics
a
n
d
Co
m
m
u
n
ica
ti
o
n
s
e
n
g
in
e
e
rin
g
fro
m
d
e
p
a
rt
m
e
n
t
o
f
e
le
c
tri
c
e
n
g
in
e
e
ri
n
g
\
u
n
iv
e
rsity
o
f
A
l
-
M
u
sta
n
se
riy
a
\
Ba
g
h
d
a
d
.
S
h
e
w
o
rk
e
d
a
s
e
n
g
in
e
e
r
(2
0
0
3
-
2
0
1
1
)
a
t
d
e
p
a
rtm
e
n
t
o
f
c
o
m
m
u
n
ica
ti
o
n
e
n
g
in
e
e
rin
g
\
c
o
ll
e
g
e
o
f
e
n
g
i
n
e
e
rin
g
\
Un
iv
e
rsit
y
o
f
Di
y
a
la.
S
h
e
w
o
rk
s
a
s
t
e
a
c
h
in
g
(
A
ss
ist
a
n
t
lec
tu
re
r)
f
ro
m
y
e
a
r
(2
0
1
4
u
p
to
d
a
te)
a
t
d
e
p
a
rtme
n
t
o
f
c
o
m
m
u
n
ica
ti
o
n
e
n
g
in
e
e
rin
g
\
c
o
ll
e
g
e
o
f
e
n
g
in
e
e
rin
g
\
Un
iv
e
rsit
y
o
f
Di
y
a
la.
Re
s
e
a
rc
h
In
tere
sts:
Im
a
g
e
P
ro
c
e
ss
in
g
,
En
c
ry
p
ti
o
n
,
C
o
n
tr
o
l
a
n
d
Dig
it
a
l
S
ig
n
a
l
P
ro
c
e
ss
i
n
g
a
n
d
OFDM
Wu
r
o
d
Q
a
si
m
M
o
h
a
m
e
d
is
a
lec
tu
re
r
o
f
Co
m
m
u
n
ica
ti
o
n
s
En
g
in
e
e
rin
g
a
t
De
p
a
rt
m
e
n
t
o
f
El
e
c
tro
n
ic
En
g
i
n
e
e
rin
g
/
Co
ll
e
g
e
o
f
En
g
in
e
e
rin
g
/
Un
iv
e
rsit
y
o
f
Diy
a
la.
S
h
e
re
c
e
i
v
e
d
h
e
r
B.
S
o
f
El
e
c
tro
n
ics
E
n
g
in
e
e
rin
g
f
ro
m
Co
ll
e
g
e
o
f
En
g
in
e
e
rin
g
/
Un
iv
e
rsity
o
f
Diy
a
la,
Ira
q
in
2
0
1
1
,
a
n
d
sh
e
re
c
e
iv
e
d
h
e
r
M
.
S
.
f
ro
m
C
a
li
fo
rn
ia
S
tate
Un
iv
e
rsit
y
F
u
ll
e
rto
n
(
CS
UF),
CA
,
a
n
d
USA
in
F
a
ll
2
0
1
6
se
m
e
ste
r
a
f
ter
g
e
tt
in
g
sc
h
o
lars
h
ip
f
ro
m
Hig
h
Co
m
m
it
te
e
f
o
r
Ed
u
c
a
ti
o
n
De
v
e
lo
p
m
e
n
t
(HCED)
in
Ira
q
.
Du
rin
g
h
e
r
stu
d
y
m
a
ste
r
d
e
g
r
e
e
,
sh
e
ta
u
g
h
t
v
a
rio
u
s
e
lec
tro
n
ics
a
n
d
c
o
m
m
u
n
ica
ti
o
n
s
c
o
u
rse
s
a
t
CS
UF
f
o
r
t
h
re
e
se
m
e
ste
rs.
Re
se
a
rc
h
In
tere
sts:
W
irele
s
s
c
o
m
m
u
n
ica
ti
o
n
s
s
y
ste
m
s,
OFDM
tec
h
n
iq
u
e
s,
M
IM
O
tec
h
n
iq
u
e
s,
M
IM
O
–
OFDM
c
o
m
m
u
n
ica
ti
o
n
s sy
st
e
m
s an
d
S
ig
n
a
l
p
r
o
c
e
ss
in
g
.
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