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E
lect
rica
l a
nd
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m
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ng
ineering
(
I
J
E
CE
)
Vo
l.
14
,
No
.
6
,
Dec
em
b
er
20
24
,
p
p
.
6
3
7
3
~
6
3
7
9
I
SS
N:
2088
-
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DOI
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v
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i
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.
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3
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6373
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s) aid
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re
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p
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d
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m
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lati
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sc
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rica
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n
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to
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isa
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e
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g
d
isp
lac
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sta
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sh
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wn
to
il
lu
stra
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t
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c
a
p
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y
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f
s
y
ste
m
s.
K
ey
w
o
r
d
s
:
Av
er
ag
e
ch
a
n
n
el
ca
p
ac
ity
Fre
e
-
s
p
ac
e
o
p
tical
co
m
m
u
n
icatio
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s
Gam
m
a
-
Gam
m
a
d
is
tr
ib
u
tio
n
Misalig
n
m
en
t f
ad
in
g
e
f
f
ec
ts
R
ec
o
n
f
ig
u
r
ab
le
i
n
tellig
en
t
s
u
r
f
ac
es
T
h
is i
s
a
n
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r th
e
CC B
Y
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
Du
o
n
g
Hu
u
Ai
Facu
lty
o
f
C
o
m
p
u
ter
E
n
g
in
ee
r
in
g
an
d
E
lectr
o
n
ics,
T
h
e
Un
iv
er
s
ity
o
f
Dan
an
g
-
Vietn
am
-
K
o
r
ea
Un
iv
er
s
ity
o
f
I
n
f
o
r
m
atio
n
an
d
C
o
m
m
u
n
ic
atio
n
T
ec
h
n
o
lo
g
y
Dan
an
g
,
Vietn
am
E
m
ail:
d
h
ai@
v
k
u
.
u
d
n
.
v
n
1.
I
NT
RO
D
UCT
I
O
N
W
ith
th
e
ad
v
an
tag
e
o
f
o
p
tica
l
wir
eless
co
m
m
u
n
icatio
n
(
OW
C
)
,
th
at
it
i
s
u
s
ed
f
o
r
th
e
s
p
ec
ialized
en
v
ir
o
n
m
en
ts
an
d
h
ig
h
d
at
a
tr
an
s
m
is
s
io
n
r
ates
lin
k
r
eq
u
ir
em
e
n
ts
o
f
th
e
f
if
th
-
g
en
er
atio
n
wir
eless
co
m
m
u
n
icatio
n
an
d
b
ey
o
n
d
[
1
]
.
T
h
e
b
en
ef
its
o
f
f
r
ee
s
p
ac
e
o
p
tical
lin
k
s
ar
e
lar
g
er
b
an
d
wid
th
,
co
s
t
ef
f
ec
tiv
en
ess
,
h
ig
h
e
r
ch
a
n
n
el
ca
p
ac
ity
,
s
etu
p
a
n
d
s
y
s
tem
d
esig
n
ar
e
also
u
n
co
m
p
licated
[
1
]
–
[
5
]
.
Ho
wev
er
,
th
er
e
ar
e
ch
alle
n
g
es
as
o
p
tic
al
wav
elen
g
th
s
p
r
o
p
ag
ate
t
h
r
o
u
g
h
th
e
f
r
ee
s
p
ac
e,
s
u
ch
as
s
ig
n
al
o
b
s
tr
u
ctio
n
,
atten
u
atio
n
,
s
ig
n
al
f
ad
in
g
an
d
m
is
alig
n
m
en
t
f
ad
in
g
[
6
]
–
[
1
0
]
.
T
h
is
p
ap
er
p
er
f
o
r
m
s
en
h
an
ce
m
en
t
f
r
ee
s
p
ac
e
o
p
tical
(
FS
O)
lin
k
to
s
o
lv
e
p
er
f
o
r
m
a
n
ce
o
f
s
y
s
tem
s
af
f
ec
ted
with
u
s
in
g
r
ec
o
n
f
ig
u
r
a
b
le
in
tellig
en
t
s
u
r
f
ac
es
(
R
I
Ss
)
tech
n
iq
u
e
o
v
e
r
s
tr
o
n
g
a
tm
o
s
p
h
er
ic
tu
r
b
u
len
ce
.
R
I
Ss
i
s
r
elay
tech
n
iq
u
e
th
at
is
co
n
s
i
d
er
ed
to
h
av
e
m
an
y
b
en
ef
its
an
d
h
as b
ee
n
s
tu
d
ied
in
r
ec
en
t
y
ea
r
s
[
1
1
]
–
[
1
5
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
14
,
No
.
6
,
Dec
em
b
e
r
20
24
:
6
3
7
3
-
6
3
7
9
6374
Ov
er
th
e
y
ea
r
s
,
th
er
e
h
av
e
b
ee
n
m
a
n
y
s
tu
d
ies
o
n
o
p
tical
wir
eless
co
m
m
u
n
icatio
n
u
s
in
g
R
I
Ss
tech
n
o
lo
g
y
an
d
th
e
r
esu
lts
s
h
o
w
its
s
u
p
er
io
r
ity
.
Ho
wev
e
r
,
th
e
ch
an
n
el
s
tate
p
ar
am
eter
s
h
av
e
n
o
t
b
ee
n
co
m
b
in
ed
an
d
f
u
lly
ev
al
u
ated
,
an
d
a
v
er
ag
e
ch
an
n
el
ca
p
ac
ity
(
AC
C
)
,
q
u
ad
r
atu
r
e
a
m
p
litu
d
e
m
o
d
u
latio
n
(
QAM
)
tech
n
iq
u
e
u
n
u
s
ed
[
1
6
]
–
[
2
1
]
.
R
I
Ss
tech
n
iq
u
e
o
f
f
er
s
o
p
tical
wir
eles
s
co
m
m
u
n
icatio
n
lin
k
m
an
y
b
en
ef
its
o
v
er
r
elay
tech
n
iq
u
e
o
f
s
y
s
tem
s
,
th
ese
b
en
ef
its
o
f
R
I
Ss
h
av
e
b
ee
n
r
ec
en
tly
s
tu
d
ied
in
[
2
2
]
–
[
2
6
]
.
T
h
is
p
ap
er
,
we
p
er
f
o
r
m
an
c
e
en
h
an
ce
m
en
t
o
f
h
ig
h
-
s
p
e
ed
f
r
ee
s
p
ac
e
o
p
tical
lin
k
f
o
r
th
e
im
p
lem
en
tatio
n
o
f
5
G
an
d
b
e
y
o
n
d
u
s
in
g
R
I
Ss
o
v
er
g
am
m
a
-
g
am
m
a
d
is
tr
ib
u
tio
n
.
T
h
e
p
ap
er
is
o
r
g
an
ized
as
f
o
llo
ws.
Sectio
n
2
p
r
esen
ts
th
e
s
y
s
tem
an
d
ch
an
n
el
m
o
d
els.
Sectio
n
3
p
r
esen
ts
th
e
av
er
a
g
e
ch
an
n
el
ca
p
ac
ity
ca
lcu
latio
n
.
Sectio
n
4
d
escr
ib
e
s
n
u
m
er
ical
r
esu
lts
an
d
d
is
cu
s
s
io
n
s
,
an
d
in
s
ec
tio
n
5
,
th
e
p
ap
er
co
n
clu
d
es.
2.
SYST
E
M
AND
CH
AN
NE
L
M
O
DE
L
S
2
.
1
.
Sy
s
t
em
m
o
del
T
h
e
s
y
s
tem
an
d
c
h
an
n
el
m
o
d
el
f
o
r
p
er
f
o
r
m
i
n
g
th
e
e
v
alu
atio
n
is
d
escr
ib
e
in
Fig
u
r
e
1
,
in
wh
ich
,
th
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
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I
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tr
ical
SNR
,
th
e
ex
ac
t u
n
if
ied
PDF,
(
)
,
as (
1
6
)
.
(
)
=
4
(
0
)
4
(
(
)
(
)
)
2
×
2
,
6
4
,
2
(
(
)
2
(
0
)
2
̄
ℎ
̄
|
(
1
+
2
,
1
)
,
(
1
−
,
−
1
)
,
(
1
−
,
−
1
)
,
(
1
−
2
,
−
1
)
(
,
1
)
,
(
,
1
)
,
(
−
2
,
−
1
)
,
(
2
,
1
)
)
(
1
6
)
3.
AVERAG
E
CH
ANN
E
L
C
A
P
ACIT
Y
CALC
UL
A
T
I
O
N
T
h
e
ch
a
n
n
el
ca
p
ac
ity
as
a
r
a
n
d
o
m
v
ar
iab
le,
k
n
o
wn
as
a
v
er
ag
e
ch
a
n
n
el
ca
p
ac
ity
(
AC
C
)
,
⟨
⟩
,
th
e
av
er
ag
e
s
p
ec
tr
al
e
f
f
icien
cy
(
ASE)
in
b
its
/s
/Hz
ca
n
also
b
e
d
escr
ib
ed
in
ter
m
s
o
f
AC
C
.
Ass
u
m
in
g
th
at,
th
e
o
p
tical
ch
an
n
el
is
m
em
o
r
y
less
,
er
g
o
d
ic,
s
tatio
n
ar
y
with
p
er
f
ec
t
ch
an
n
el
s
tate
in
f
o
r
m
atio
n
an
d
tu
r
b
u
len
ce
s
tatis
t
ics is
av
ailab
le
at
b
o
th
th
e
tr
an
s
m
itter
s
an
d
r
ec
eiv
er
s
[
1
8
]
.
T
h
e
ASE
ca
n
b
e
esti
m
ated
as (
1
7
)
.
⟨
̄
⟩
=
∫
2
(
1
+
)
×
(
)
∞
0
,
[
b
it/s
/Hz]
(
1
7
)
wh
er
e
is
th
e
b
an
d
wid
th
o
f
t
r
an
s
m
is
s
io
n
ch
an
n
el,
(
)
is
th
e
p
d
f
o
f
SNR
.
I
n
(
1
7
)
,
u
s
in
g
t
h
e
eq
u
ality
(
1
+
)
=
∑
(
−
1
)
+
1
/
+
∞
=
1
f
o
r
0
≤
≤
1
.
T
h
e
p
d
f
o
f
SNR
is
r
esp
ec
tiv
ely
d
escr
ib
ed
in
Gam
m
a
-
Gam
m
a
is
ex
p
r
ess
ed
as
(
1
8
)
.
⟨
̄
⟩
=
∫
4
∑
(
−
1
)
+
1
+
∞
=
1
(
2
)
(
0
)
4
(
(
)
(
)
)
2
∞
0
2
,
6
4
,
2
(
(
)
2
(
0
)
2
̄
ℎ
̄
|
(
1
+
2
,
1
)
,
(
1
−
,
−
1
)
,
(
1
−
,
−
1
)
,
(
1
−
2
,
−
1
)
(
,
1
)
,
(
,
1
)
,
(
−
2
,
−
1
)
,
(
2
,
1
)
)
(
1
8
)
4.
NUM
E
RIC
AL
R
E
SU
L
T
S A
ND
DIS
SCUS
SI
O
N
I
n
th
is
p
ar
t,
we
s
h
o
w
n
u
m
er
i
ca
l
r
esu
lts
f
o
r
ASE
an
aly
s
i
s
o
f
th
e
tr
an
s
m
is
s
io
n
lin
k
with
R
I
S
aid
ed
f
r
o
m
(
1
6
)
an
d
(
1
8
)
,
an
d
an
al
y
ze
th
e
p
er
f
o
r
m
a
n
ce
in
f
l
u
en
c
ed
b
y
m
is
alig
n
m
en
t
f
ad
i
n
g
,
r
ad
iu
s
o
f
a
cir
c
u
lar
r
ec
eiv
in
g
ap
er
tu
r
e,
an
d
lin
k
d
is
tan
ce
f
o
r
th
e
s
u
b
ca
r
r
ier
q
u
ad
r
atu
r
e
am
p
litu
d
e
m
o
d
u
latio
n
tech
n
iq
u
e
.
T
h
e
co
n
s
tan
ts
an
d
p
ar
a
m
eter
s
co
n
s
id
er
ed
in
o
u
r
a
n
aly
s
is
ar
e
p
r
es
en
ted
in
T
ab
le
1
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
P
erfo
r
ma
n
ce
en
h
a
n
ce
me
n
t o
f
h
ig
h
-
s
p
ee
d
fr
ee
s
p
a
ce
o
p
tica
l t
r
a
n
s
mis
s
io
n
lin
k
fo
r
…
(
Du
o
n
g
Hu
u
A
i
)
6377
T
ab
le
1
.
Sy
s
tem
co
n
s
tan
ts
an
d
p
ar
am
eter
s
P
a
r
a
me
t
e
r
S
y
mb
o
l
V
a
l
u
e
La
ser
w
a
v
e
l
e
n
g
t
h
λ
1
5
5
0
n
m
M
o
d
u
l
a
t
i
o
n
i
n
d
e
x
1
To
t
a
l
n
o
i
s
e
v
a
r
i
a
n
c
e
N
0
10
-
7
A
/
H
z
P
h
o
t
o
d
e
t
e
c
t
o
r
r
e
s
p
o
n
s
i
v
i
t
y
ℜ
1
A
/
W
S
t
r
u
c
t
u
r
e
p
a
r
a
m
e
t
e
r
o
f
r
e
f
r
a
c
t
i
v
e
-
i
n
d
e
x
2
3
.
1
0
−
14
−
2
/
3
R
e
c
e
i
v
e
r
a
p
e
r
t
u
r
e
d
i
a
me
t
e
r
0
.
0
8
Fig
u
r
e
2
illu
s
tr
ates
th
e
ASE
f
o
r
FS
O
lin
k
with
R
I
S
aid
ed
an
d
with
o
u
t
R
I
S
aid
e
d
r
esp
ec
t
to
̄
,
f
o
r
v
ar
io
u
s
v
alu
es
o
f
d
is
p
lace
m
en
t
s
tan
d
ar
d
d
ev
iatio
n
,
,
an
d
d
is
t
an
ce
s
o
f
tr
an
s
m
is
s
io
n
ch
an
n
el
,
L
=
2
0
0
0
m
.
I
t
ca
n
b
e
s
ee
n
t
h
at,
th
e
a
v
er
ag
e
s
p
ec
tr
al
ef
f
icien
cy
s
tr
o
n
g
ly
d
ep
en
d
s
o
n
th
e
R
I
Ss
aid
ed
,
s
in
ce
th
e
g
r
ea
t
v
alu
e
d
o
m
ain
o
f
SNR
is
th
e
s
tr
o
n
g
er
ef
f
ec
ts
o
f
R
I
S
b
ec
o
m
es.
Ob
v
io
u
s
ly
,
with
lo
n
g
er
lin
k
d
is
tan
ce
,
th
e
m
is
alig
n
m
en
t
f
ad
in
g
ef
f
ec
ts
o
n
ASE
is
g
r
ea
ter
.
I
t
h
as
b
e
en
n
o
ticed
th
at
wh
en
th
e
with
o
u
t
R
I
S
aid
ed
,
th
e
av
er
ag
e
ch
a
n
n
el
ca
p
ac
ity
o
f
t
h
e
s
y
s
tem
d
eg
r
ad
es.
Fig
u
r
e
3
illu
s
tr
ate
th
e
ASE
p
er
f
o
r
m
a
n
ce
v
e
r
s
u
s
lin
k
d
is
tan
ce
f
o
r
v
ar
io
u
s
v
alu
es
o
f
m
is
alig
n
m
en
t
f
ad
in
g
d
is
p
lace
m
en
t
s
tan
d
ar
d
d
ev
iatio
n
i
n
ca
s
e
with
R
I
S
an
d
with
o
u
t
R
I
S.
I
t
is
clea
r
l
y
p
r
o
v
en
th
at;
th
e
ASE
p
er
f
o
r
m
an
ce
is
d
eter
io
r
ated
s
ig
n
if
ican
tly
wh
e
n
lin
k
d
is
tan
ce
in
cr
ea
s
e
an
d
t
h
e
av
er
a
g
e
s
p
ec
tr
al
ef
f
icien
cy
p
er
f
o
r
m
an
ce
is
in
cr
ea
s
e
s
ig
n
if
ican
tly
with
th
e
R
I
S
aid
ed
.
I
n
b
r
ief
,
th
e
ASE
s
tr
o
n
g
ly
r
elies
o
n
th
e
m
is
alig
n
m
en
t f
ad
in
g
d
is
p
lace
m
en
t stan
d
ar
d
d
ev
iatio
n
a
n
d
r
ec
o
n
f
ig
u
r
ab
le
in
tellig
en
t su
r
f
a
ce
s
.
Fig
u
r
e
2
.
Av
e
r
ag
e
s
p
ec
tr
al
ef
f
i
cien
cy
p
er
f
o
r
m
a
n
ce
v
er
s
u
s
av
er
ag
e
elec
tr
ical
SNR
f
o
r
v
ar
io
u
s
v
alu
es o
f
Fig
u
r
e
3
.
Av
e
r
ag
e
s
p
ec
tr
al
ef
f
i
cien
cy
p
er
f
o
r
m
a
n
ce
v
er
s
u
s
lin
k
d
is
tan
ce
f
o
r
v
ar
io
u
s
v
alu
es o
f
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
14
,
No
.
6
,
Dec
em
b
e
r
20
24
:
6
3
7
3
-
6
3
7
9
6378
5.
CO
NCLU
SI
O
N
T
h
is
s
tu
d
y
,
we
in
tr
o
d
u
ce
d
th
e
p
er
f
o
r
m
a
n
ce
an
aly
s
is
o
f
th
e
h
ig
h
-
s
p
ee
d
FS
O
tr
an
s
m
is
s
io
n
lin
k
o
v
er
s
tr
o
n
g
tu
r
b
u
len
ce
o
f
wea
th
er
ch
an
n
els
m
o
d
el
b
y
t
h
e
g
a
m
m
a
-
g
am
m
a
d
is
tr
ib
u
tio
n
s
th
at
u
s
ed
to
d
escr
ib
e
t
h
e
f
lu
ctu
atio
n
o
f
th
e
o
p
tical
p
r
o
p
ag
atio
n
.
W
e
s
tu
d
ied
th
e
av
e
r
ag
e
s
p
ec
tr
al
ef
f
icien
cy
o
f
th
e
s
y
s
tem
in
d
if
f
er
en
t
lin
k
d
is
tan
ce
,
m
is
alig
n
m
en
t
f
ad
in
g
d
is
p
lace
m
en
t
s
tan
d
ar
d
d
ev
iatio
n
an
d
r
ec
o
n
f
i
g
u
r
ab
le
in
tellig
en
t
s
u
r
f
ac
es.
T
h
e
n
u
m
e
r
ical
r
esu
lts
p
r
o
v
e
d
th
at,
r
eg
ar
d
less
th
e
lin
k
d
is
tan
ce
an
d
m
is
alig
n
m
en
t
f
ad
in
g
,
t
h
e
av
er
ag
e
s
p
ec
tr
al
ef
f
icien
cy
im
p
r
o
v
es si
g
n
if
ican
tly
with
th
e
s
u
p
p
o
r
t o
f
r
ec
o
n
f
ig
u
r
ab
le
in
tellig
e
n
t su
r
f
ac
es.
RE
F
E
R
E
NC
E
S
[
1
]
Y
.
K
a
y
ma
k
,
R
.
R
o
j
a
s
-
C
e
ss
a
,
J.
F
e
n
g
,
N
.
A
n
sar
i
,
M
.
Z
h
o
u
,
a
n
d
T.
Z
h
a
n
g
,
“
A
s
u
r
v
e
y
o
n
a
c
q
u
i
si
t
i
o
n
,
t
r
a
c
k
i
n
g
,
a
n
d
p
o
i
n
t
i
n
g
mec
h
a
n
i
sms
f
o
r
m
o
b
i
l
e
f
r
e
e
-
s
p
a
c
e
o
p
t
i
c
a
l
c
o
m
mu
n
i
c
a
t
i
o
n
s,”
I
EE
E
C
o
m
m
u
n
i
c
a
t
i
o
n
s
S
u
rv
e
y
s
a
n
d
T
u
t
o
r
i
a
l
s
,
v
o
l
.
2
0
,
n
o
.
2
,
p
p
.
1
1
0
4
–
1
1
2
3
,
2
0
1
8
,
d
o
i
:
1
0
.
1
1
0
9
/
C
O
M
S
T.
2
0
1
8
.
2
8
0
4
3
2
3
.
[
2
]
M
.
Z.
C
h
o
w
d
h
u
r
y
,
M
.
S
h
a
h
j
a
l
a
l
,
S
.
A
h
me
d
,
a
n
d
Y
.
M
.
J
a
n
g
,
“
6
G
w
i
r
e
l
e
ss
c
o
mm
u
n
i
c
a
t
i
o
n
sy
s
t
e
ms
:
a
p
p
l
i
c
a
t
i
o
n
s
,
r
e
q
u
i
r
e
me
n
t
s
,
t
e
c
h
n
o
l
o
g
i
e
s,
c
h
a
l
l
e
n
g
e
s,
a
n
d
r
e
se
a
r
c
h
d
i
r
e
c
t
i
o
n
s,”
I
EE
E
O
p
e
n
J
o
u
r
n
a
l
o
f
t
h
e
C
o
m
m
u
n
i
c
a
t
i
o
n
s
S
o
c
i
e
t
y
,
v
o
l
.
1
,
p
p
.
9
5
7
–
9
7
5
,
2
0
2
0
,
d
o
i
:
1
0
.
1
1
0
9
/
O
J
C
O
M
S
.
2
0
2
0
.
3
0
1
0
2
7
0
.
[
3
]
H
.
A
.
D
u
o
n
g
,
V
.
L
.
N
g
u
y
e
n
,
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o
T.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
d
h
a
i@v
k
u
.
u
d
n
.
v
n
.
Va
n
Lo
i
Ng
u
y
e
n
he
re
c
e
iv
e
d
h
is
m
a
ste
r
of
e
n
g
in
e
e
rin
g
in
c
o
m
p
u
ter
sc
ien
c
e
fro
m
th
e
Un
iv
e
rsity
of
Da
n
a
n
g
,
Vie
tn
a
m
in
2
0
1
0
,
a
P
h
.
D.
d
e
g
re
e
fro
m
S
o
o
n
g
sil
Un
i
v
e
rsity
in
2
0
1
7
.
Cu
rre
n
tl
y
,
he
is
a
lec
tu
re
r
at
T
h
e
Un
iv
e
rsit
y
of
Da
n
a
n
g
-
Vie
tn
a
m
-
Ko
re
a
Un
iv
e
rsity
of
In
fo
rm
a
ti
o
n
a
n
d
Co
m
m
u
n
ica
ti
o
n
Tec
h
n
o
l
o
g
y
,
Da
n
a
n
g
Cit
y
,
Vie
t
n
a
m
.
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
m
u
lt
ime
d
ia,
in
f
o
rm
a
ti
o
n
re
tri
e
v
a
l,
a
rti
ficia
l
i
n
telli
g
e
n
c
e
,
d
a
tab
a
se
,
a
n
d
I
o
T.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
n
v
lo
i@v
k
u
.
u
d
n
.
v
n
.
K
h
a
n
h
Ty
Lu
o
n
g
he
re
c
e
iv
e
d
h
is
m
a
ste
r
of
e
n
g
in
e
e
ri
n
g
in
c
o
m
p
u
ter
sc
ien
c
e
fro
m
th
e
Un
iv
e
rsity
of
Da
n
a
n
g
,
Vie
tn
a
m
in
2
0
1
2
.
Cu
rre
n
tl
y
,
he
is
a
lec
tu
re
r
at
Th
e
Un
iv
e
rsity
of
Da
n
a
n
g
-
Vie
tn
a
m
-
Ko
re
a
U
n
iv
e
rsit
y
of
In
fo
rm
a
ti
o
n
a
n
d
C
o
m
m
u
n
ica
ti
o
n
Tec
h
n
o
l
o
g
y
,
Da
n
a
n
g
Cit
y
,
Vie
tn
a
m
.
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
d
a
tab
a
se
,
a
rti
ficia
l
in
telli
g
e
n
c
e
,
Io
T,
a
n
d
o
p
ti
c
a
l
wire
les
s
c
o
m
m
u
n
ica
ti
o
n
s.
He
can
be
c
o
n
tac
ted
e
m
a
il
:
l
k
ty
@
v
k
u
.
u
d
n
.
v
n
.
Vie
t
Tr
u
o
n
g
Le
He
re
c
e
iv
e
d
h
is
m
a
ste
r
o
f
sc
ien
c
e
in
in
f
o
r
m
a
ti
c
s
fro
m
Hu
e
Un
iv
e
rsity
,
Vie
tn
a
m
in
2
0
0
5
.
C
u
rre
n
tl
y
,
h
e
is
a
lec
tu
re
r
a
t
T
h
e
Un
iv
e
rsity
o
f
Da
n
a
n
g
-
Vie
tn
a
m
-
Ko
re
a
Un
iv
e
rsity
o
f
In
fo
rm
a
ti
o
n
a
n
d
C
o
m
m
u
n
ica
ti
o
n
Tec
h
n
o
l
o
g
y
,
Da
n
a
n
g
Cit
y
,
Vie
tn
a
m
.
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
d
a
ta
b
a
se
,
d
a
ta
wa
re
h
o
u
se
,
d
a
ta
m
in
in
g
,
sy
ste
m
a
n
a
ly
sis a
n
d
d
e
sig
n
.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
lv
tr
u
o
n
g
@
v
k
u
.
u
d
n
.
v
n
.
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