T
E
L
K
O
M
NIKA
T
elec
o
mm
un
ica
t
io
n Co
m
pu
t
i
ng
E
lect
ro
nics
a
nd
Co
ntr
o
l
Vo
l.
23
,
No
.
5
,
Octo
b
er
20
25
,
p
p
.
1
415
~1
4
2
6
I
SS
N:
1693
-
6
9
3
0
,
DOI
: 1
0
.
1
2
9
2
8
/
T
E
L
KOM
NI
K
A
.
v
23
i
5
.
26884
1415
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//jo
u
r
n
a
l.u
a
d
.
a
c.
id
/in
d
ex
.
p
h
p
/TELK
OM
N
I
K
A
Co
st
-
ef
fect
iv
e
lon
g
-
ra
ng
e secure
sp
eech c
o
mm
uni
ca
t
io
n sy
ste
m
for
inte
rnet
of t
hi
ng
s
-
ena
bled app
li
ca
tions
Sa
m
er
A
la
bed
1
,
M
o
ha
mm
a
d
Al
-
Ra
ba
y
a
h
2
,
B
a
ha
a
Al
-
Sh
ei
k
h
3
,
L
a
m
a
B
o
u F
a
ra
h
4
1
D
e
p
a
r
t
me
n
t
o
f
B
i
o
me
d
i
c
a
l
E
n
g
i
n
e
e
r
i
n
g
,
S
c
h
o
o
l
o
f
A
p
p
l
i
e
d
M
e
d
i
c
a
l
S
c
i
e
n
c
e
s,
G
e
r
man
Jo
r
d
a
n
i
a
n
U
n
i
v
e
r
si
t
y
,
A
m
man
,
Jo
r
d
a
n
2
C
o
l
l
e
g
e
o
f
En
g
i
n
e
e
r
i
n
g
a
n
d
T
e
c
h
n
o
l
o
g
y
,
A
m
e
r
i
c
a
n
U
n
i
v
e
r
si
t
y
o
f
t
h
e
M
i
d
d
l
e
Ea
st
,
Eg
a
i
l
a
,
K
u
w
a
i
t
3
D
e
p
a
r
t
me
n
t
o
f
B
i
o
me
d
i
c
a
l
S
y
st
e
ms a
n
d
I
n
f
o
r
mat
i
c
s
E
n
g
i
n
e
e
r
i
n
g
,
H
i
j
j
a
w
i
F
a
c
u
l
t
y
f
o
r
En
g
i
n
e
e
r
i
n
g
T
e
c
h
n
o
l
o
g
y
,
Y
a
r
mo
u
k
U
n
i
v
e
r
si
t
y
,
I
r
b
i
d
,
Jo
r
d
a
n
4
D
e
p
a
r
t
me
n
t
o
f
B
i
o
me
d
i
c
a
l
T
e
c
h
n
o
l
o
g
i
e
s,
F
a
c
u
l
t
y
o
f
P
u
b
l
i
c
H
e
a
l
t
h
,
L
e
b
a
n
e
se
G
e
r
man
U
n
i
v
e
r
si
t
y
,
S
a
h
e
l
A
a
l
ma,
L
e
b
a
n
o
n
Art
icle
I
nfo
AB
ST
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Dec
30
,
2024
R
ev
i
s
ed
A
u
g
31
,
2
0
2
5
A
cc
ep
ted
Sep
10
,
2
0
2
5
A
n
e
w
c
o
m
m
u
n
ica
ti
o
n
f
ra
m
e
w
o
rk
h
a
s
b
e
e
n
d
e
v
e
lo
p
e
d
t
h
a
t
a
ll
o
w
s
v
o
ice
tran
sm
issio
n
o
v
e
r
lo
n
g
d
istan
c
e
s
f
o
r
i
n
tern
e
t
o
f
th
i
n
g
s
(Io
T
)
a
p
p
li
c
a
ti
o
n
s
s
u
c
h
a
s
h
e
a
lt
h
c
a
re
,
sm
a
rt
c
it
ies
,
a
n
d
re
m
o
te
m
o
n
it
o
ri
n
g
in
t
h
e
lea
st
c
o
stl
y
w
a
y
a
n
d
m
o
st
se
c
u
re
m
a
n
n
e
r.
T
h
e
s
y
ste
m
is
b
a
se
d
o
n
l
o
n
g
ra
n
g
e
(L
o
Ra
)
t
e
c
h
n
o
l
o
g
y
a
n
d
tak
e
s
a
d
v
a
n
tag
e
o
f
it
s
sp
re
a
d
sp
e
c
tru
m
tec
h
n
iq
u
e
,
t
o
p
ro
v
id
e
l
o
n
g
ra
n
g
e
tran
s
m
issio
n
w
it
h
o
u
t
th
e
h
ig
h
-
p
o
w
e
r
re
q
u
irem
e
n
ts.
T
h
e
m
a
in
li
m
it
a
ti
o
n
is
L
o
Ra
’
s
b
a
n
d
w
id
th
w
it
h
a
m
a
x
i
m
u
m
th
ro
u
g
h
p
u
t
o
f
2
2
k
b
p
s
f
o
r
d
a
ta.
T
h
is
p
re
se
n
ts
a
c
h
a
ll
e
n
g
e
f
o
r
v
o
ice
tra
n
sm
issio
n
c
o
m
m
u
n
ica
ti
o
n
s.
T
o
a
d
d
re
ss
th
is
sh
o
rten
e
d
b
a
n
d
w
id
t
h
issu
e
,
re
se
a
r
c
h
e
rs
d
e
v
e
lo
p
e
d
a
n
in
n
o
v
a
ti
v
e
c
o
m
p
re
ss
io
n
so
lu
ti
o
n
th
a
t
c
o
m
p
re
ss
e
s
v
o
ice
d
a
ta
to
les
s
th
a
n
8
k
b
p
s
to
f
it
i
n
t
o
L
o
Ra
’
s
c
a
p
a
b
il
it
ies
.
T
h
e
c
o
m
p
re
ss
io
n
a
ll
o
w
s f
o
r
re
a
l
p
ra
c
ti
c
a
l
v
o
ice
c
o
m
m
u
n
ica
ti
o
n
s
a
n
d
p
o
ss
ib
ly
c
a
n
p
ro
v
id
e
e
v
e
n
g
re
a
ter
d
istan
c
e
th
a
n
a
n
u
n
c
o
m
p
re
s
se
d
v
o
ic
e
tran
sm
issio
n
u
p
d
a
te.
T
h
e
v
o
i
c
e
c
o
m
m
u
n
ica
ti
o
n
s
tran
sm
issi
o
n
s
h
a
v
e
c
r
y
p
to
g
ra
p
h
ic
p
ro
tec
ti
o
n
in
p
lac
e
to
p
r
o
tec
t
t
h
e
tran
sm
it
ted
v
o
ice
m
e
ss
a
g
e
s
f
ro
m
u
n
a
u
th
o
rize
d
a
c
c
e
ss
.
K
ey
w
o
r
d
s
:
I
n
ter
n
et
o
f
t
h
i
n
g
s
L
o
n
g
r
an
g
e
tech
n
o
lo
g
y
Sig
n
al
p
r
o
ce
s
s
i
n
g
S
m
ar
t c
it
y
Su
s
tain
ab
il
it
y
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
:
Sa
m
er
A
lab
ed
Dep
ar
t
m
en
t o
f
B
io
m
ed
ical
E
n
g
in
ee
r
i
n
g
,
Sch
o
o
l o
f
A
p
p
lied
Me
d
ical
Scien
ce
s
Ger
m
an
J
o
r
d
an
ian
U
n
i
v
er
s
it
y
Am
m
an
,
1
1
1
8
0
J
o
r
d
an
E
m
ail
:
s
a
m
er
.
alab
ed
@
g
j
u
.
ed
u
.
j
o
1.
I
NT
RO
D
UCT
I
O
N
T
h
er
e
h
as b
ee
n
an
e
x
p
lo
s
io
n
o
f
i
n
ex
p
en
s
i
v
e
w
ir
eles
s
s
y
s
te
m
s
ab
le
to
s
en
d
lar
g
e
a
m
o
u
n
ts
o
f
d
ata
lo
n
g
d
is
tan
ce
s
o
v
er
a
d
is
ta
n
ce
w
it
h
o
u
t p
h
y
s
ica
l c
o
n
n
ec
tio
n
s
[
1
]
–
[
5
]
.
T
h
e
ap
p
licab
le
co
m
m
u
n
ica
tio
n
s
e
n
v
ir
o
n
m
en
ts
v
ar
y
w
id
el
y
an
d
in
c
lu
d
e
m
ili
tar
y
o
p
er
atio
n
s
,
r
e
m
o
te
d
ata
co
llectio
n
,
u
r
b
an
i
n
f
r
a
s
tr
u
ct
u
r
e,
h
ea
lth
s
er
v
ices,
en
v
ir
o
n
m
e
n
tal
m
o
n
i
to
r
in
g
,
a
g
r
icu
lt
u
r
e
,
in
ter
n
et
o
f
t
h
i
n
g
s
(
I
o
T
)
an
d
telec
o
m
m
u
n
icatio
n
n
et
w
o
r
k
s
.
W
ir
eless
lo
n
g
-
d
is
ta
n
ce
co
m
m
u
n
icatio
n
s
ca
n
r
el
y
o
n
a
v
ar
iet
y
o
f
tec
h
n
o
lo
g
ies,
i
n
clu
d
i
n
g
t
h
o
s
e
u
tili
zi
n
g
s
atell
ites
,
r
ad
io
f
r
eq
u
en
c
y
(
R
F)
tr
a
n
s
m
i
s
s
io
n
,
an
d
m
icr
o
w
av
e
co
m
m
u
n
icat
io
n
s
,
ea
c
h
e
x
h
ib
it
in
g
d
i
s
ti
n
ct
f
r
eq
u
e
n
c
y
u
s
e
a
n
d
tech
n
iq
u
es
o
f
o
p
er
atio
n
[
6
]
,
[
7
]
.
L
o
n
g
r
an
g
e
(
L
o
R
a
)
tech
n
o
lo
g
y
co
m
es
a
s
a
s
p
ec
ializ
ed
co
m
m
u
n
icat
io
n
tech
n
o
lo
g
y
i
n
a
s
p
ec
if
ic
ec
o
s
y
s
te
m
f
o
r
w
ir
eles
s
co
m
m
u
n
icati
o
n
o
f
I
o
T
a
p
p
licatio
n
s
co
n
s
id
e
r
in
g
it
s
u
n
iq
u
e
lo
n
g
co
m
m
u
n
icatio
n
r
a
n
g
e
an
d
lo
w
p
o
w
er
r
eq
u
ir
e
m
e
n
t
s
[
8
]
,
[
9
]
.
L
o
R
a
m
a
n
a
g
es
to
m
ai
n
ta
in
it
s
w
id
e
r
an
g
e
co
m
m
u
n
icatio
n
a
n
d
en
er
g
y
e
f
f
icie
n
t
o
p
er
atio
n
s
d
u
e
to
its
s
p
r
ea
d
-
s
p
ec
tr
u
m
m
o
d
u
la
tio
n
tec
h
n
iq
u
es.
Mo
r
eo
v
er
,
ec
o
n
o
m
ic
ad
v
a
n
tag
e
co
m
es
in
th
e
f
o
r
m
o
f
ab
s
en
ce
o
f
o
n
g
o
in
g
p
a
y
m
e
n
t
d
u
e
to
its
o
p
er
atio
n
s
in
u
n
-
lice
n
s
ed
R
F
b
an
d
s
f
o
r
a
L
o
R
a
d
ev
ice
’
s
n
o
n
-
r
ec
u
r
r
in
g
R
F
b
an
d
w
id
t
h
.
Fo
r
I
o
T
ap
p
licatio
n
s
w
it
h
w
id
e
g
eo
g
r
ap
h
ical
d
is
tr
ib
u
tio
n
,
t
h
e
co
m
m
u
n
icati
o
n
r
an
g
e
o
f
s
e
v
er
al
k
ilo
m
ete
r
s
p
r
o
v
id
ed
b
y
L
o
R
a
d
ev
ices
is
id
ea
l
[
9
]
–
[
1
1
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
5
,
Octo
b
e
r
20
25
:
1
4
1
5
-
1
426
1416
Se
m
tec
h
c
o
r
p
o
r
atio
n
in
n
o
v
ati
o
n
s
i
n
th
e
f
o
r
m
o
f
L
o
R
a
d
ev
ices
m
a
k
es
it
an
ap
p
r
o
p
r
iate
ch
o
ice
f
o
r
en
er
g
y
s
en
s
iti
v
e
b
atter
y
p
o
w
er
ed
I
o
T
d
ev
ices
d
u
e
to
its
lo
w
p
o
w
er
co
n
s
u
m
p
tio
n
.
Mo
r
eo
v
er
,
its
h
i
g
h
-
ca
p
ac
it
y
n
et
w
o
r
k
m
ak
e
s
it
p
o
s
s
ib
le
to
co
v
er
a
w
id
e
r
an
g
e
an
d
d
en
s
el
y
d
is
tr
i
b
u
te
th
e
d
ev
ice
s
in
m
a
n
y
ar
ea
s
s
u
c
h
as
h
ea
l
th
ca
r
e
s
er
v
ices,
as
s
et
tr
ac
k
i
n
g
,
en
v
ir
o
n
m
e
n
t
an
d
ag
r
ic
u
lt
u
r
e,
in
d
u
s
tr
i
al
s
ec
to
r
s
,
h
o
m
e
a
u
to
m
atio
n
,
w
ater
m
a
n
a
g
e
m
e
n
t
,
an
d
s
m
ar
t c
it
y
ap
p
licatio
n
s
[
8
]
–
[
1
0
]
.
E
n
s
u
r
in
g
t
h
e
s
ec
u
r
it
y
o
f
tr
an
s
m
itted
d
ata
is
e
s
s
e
n
tial,
r
eq
u
ir
in
g
a
co
m
m
u
n
ica
tio
n
s
y
s
te
m
t
h
a
t
g
u
ar
a
n
tees
t
h
e
p
r
iv
ac
y
an
d
co
n
f
id
en
tial
it
y
o
f
m
e
s
s
a
g
es
[
1
2
]
,
[
1
3
]
.
Su
ch
a
s
y
s
te
m
n
ee
d
s
to
b
e
m
ad
e
to
p
r
ev
en
t
u
n
a
u
t
h
o
r
ized
ac
ce
s
s
an
d
en
s
u
r
e
d
ata
in
teg
r
it
y
in
-
tr
a
n
s
it.
E
n
d
-
to
-
e
n
d
en
cr
y
p
tio
n
is
a
g
o
o
d
ex
a
m
p
le
o
f
a
s
ec
u
r
e
co
m
m
u
n
icatio
n
s
y
s
te
m
t
h
at
is
b
o
th
ef
f
ec
t
iv
e
an
d
in
e
x
p
en
s
i
v
e
,
as
f
ac
ilit
ated
b
y
ap
p
s
lik
e
W
h
ats
A
p
p
an
d
Sig
n
a
l.
E
n
d
-
to
-
en
d
en
cr
y
p
tio
n
p
er
f
o
r
m
s
en
cr
y
p
tio
n
an
d
d
ec
r
y
p
tio
n
o
n
th
e
s
en
d
er
an
d
r
ec
eiv
er
d
ev
ices
s
o
th
at
ev
e
n
th
ir
d
p
ar
ties
th
at
p
r
o
x
y
th
e
c
o
m
m
u
n
icatio
n
s
ca
n
n
o
t
s
ee
th
e
co
n
ten
t
o
f
th
e
co
m
m
u
n
icati
o
n
s
[
1
4
]
–
[
1
7
]
.
A
n
in
h
er
e
n
t
li
m
ita
tio
n
o
f
L
o
R
a
is
its
lo
w
d
ata
r
ate
f
o
r
tr
an
s
m
i
s
s
io
n
s
,
w
h
ich
m
a
k
es
ex
ch
a
n
g
e
o
f
v
o
ice
co
m
m
u
n
icatio
n
d
if
f
ic
u
lt.
L
o
R
a
u
s
e
s
c
h
ir
p
s
p
r
ea
d
s
p
ec
tr
u
m
(
C
SS
)
w
h
i
c
h
u
s
e
s
c
h
ir
p
p
u
ls
e
s
t
h
at
e
x
h
ib
it
li
n
ea
r
f
r
eq
u
en
c
y
m
o
d
u
latio
n
.
T
h
is
en
ab
les
f
lex
ib
le,
e
n
er
g
y
ef
f
icie
n
t,
lo
w
laten
c
y
d
ata
co
m
m
u
n
icatio
n
;
esp
ec
iall
y
v
alu
ab
le
f
o
r
lo
n
g
-
r
a
n
g
e
co
m
m
u
n
ica
tio
n
w
h
er
e
it
i
s
f
e
lt
f
u
r
t
h
e
r
v
alu
e
ca
n
b
e
g
ai
n
ed
i
n
r
ad
ar
s
y
s
te
m
s
u
s
in
g
p
u
l
s
e
co
m
p
r
es
s
io
n
[
1
8
]
.
Use
o
f
ex
is
t
in
g
v
o
ice
en
co
d
in
g
tech
n
iq
u
es
ca
n
im
p
r
o
v
e
th
e
d
ig
i
tal
tr
an
s
m
is
s
io
n
an
d
s
to
r
ag
e
o
f
s
p
ee
ch
[
1
9
]
–
[
2
5
]
.
A
s
b
r
o
u
g
h
t
to
li
g
h
t
i
n
t
h
is
r
esear
ch
,
a
s
p
ee
ch
en
co
d
i
n
g
m
et
h
o
d
b
ased
o
n
s
i
n
u
s
o
id
al
s
ig
n
a
l
o
p
er
atio
n
w
as
p
r
o
p
o
s
ed
f
o
r
u
s
e
in
L
o
R
a
s
p
ee
c
h
ap
p
licatio
n
s
en
ab
lin
g
v
o
ice
s
i
g
n
a
l
tr
an
s
m
i
s
s
io
n
.
T
h
is
m
eth
o
d
in
w
ir
ed
an
d
m
o
b
ile
en
v
ir
o
n
m
en
ts
h
as
b
ee
n
o
m
e
g
a
e
n
co
d
ed
w
h
ic
h
allo
w
s
o
p
ti
m
al
b
an
d
w
id
th
a
n
d
v
o
ic
e
co
m
p
r
es
s
io
n
w
h
ile
n
o
t
s
ac
r
if
ic
in
g
p
o
w
er
co
n
s
u
m
p
tio
n
an
d
tr
an
s
m
i
s
s
io
n
d
is
ta
n
ce
w
it
h
ac
ce
p
tab
le
co
n
f
ig
u
r
atio
n
n
ee
d
ed
f
o
r
m
ea
n
i
n
g
f
u
l
d
ep
lo
y
m
en
t.
T
h
u
s
,
th
is
r
e
s
e
a
r
c
h
s
o
lv
es
t
h
e
l
im
i
ta
t
i
o
n
o
f
v
o
i
c
e
c
o
m
m
u
n
i
c
at
i
o
n
s
o
v
e
r
L
o
R
a
b
y
p
r
o
p
o
s
in
g
a
n
ew
en
c
o
d
in
g
m
et
h
o
d
,
w
h
i
ch
u
lt
im
a
te
ly
e
n
c
o
d
es
s
p
ee
ch
in
t
o
a
f
ew
k
b
p
s
a
l
l
o
w
in
g
v
o
i
c
e
t
r
a
n
s
m
is
s
i
o
n
s
o
v
e
r
L
o
R
a
s
y
s
tem
s
.
T
h
e
r
es
e
a
r
ch
al
s
o
p
r
o
v
i
d
es
a
n
ew
en
c
r
y
p
t
i
o
n
-
d
e
c
r
y
p
t
i
o
n
p
r
o
t
o
c
o
l
t
a
il
o
r
e
d
t
o
L
o
R
a
h
a
r
d
w
a
r
e
,
an
d
em
p
h
as
i
z
es
s
p
e
e
d
an
d
r
e
l
i
a
b
i
li
ty
w
h
i
le
k
ee
p
i
n
g
c
o
s
t
l
o
w
,
an
d
t
h
i
s
w
as
s
h
o
w
n
th
r
o
u
g
h
t
es
ti
n
g
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
e
s
in
u
s
o
id
al
m
o
d
el
o
f
p
h
y
s
ical
r
ep
r
esen
tatio
n
s
o
f
s
p
ee
ch
f
ir
s
t
p
r
ese
n
ted
i
n
[
2
6
]
,
cr
ea
te
d
a
v
o
ice
co
d
in
g
m
et
h
o
d
th
at
ca
p
italize
d
o
n
th
e
p
r
o
p
er
ties
o
f
s
in
e
w
a
v
es,
a
m
p
lit
u
d
e,
f
r
eq
u
e
n
c
y
,
a
n
d
p
h
ase,
to
allo
w
f
o
r
ef
f
icien
t
s
p
ee
ch
p
r
o
ce
s
s
i
n
g
.
T
h
e
m
et
h
o
d
h
as
b
ee
n
s
h
o
w
n
to
allo
w
f
o
r
h
ig
h
f
id
elit
y
s
p
ee
ch
r
ec
o
n
s
tr
u
ctio
n
w
it
h
a
r
elativ
el
y
lo
w
d
ata
r
ate
[
2
6
]
–
[
3
0
]
.
I
n
th
is
f
r
a
m
e
w
o
r
k
,
v
o
ice
s
ig
n
al
s
eg
m
e
n
t
k
ca
n
b
e
ex
p
r
es
s
ed
m
at
h
e
m
atica
ll
y
as a
f
i
n
ite
s
u
m
o
f
s
i
n
u
s
o
id
al
c
o
m
p
o
n
en
t
s
,
w
h
er
e
ea
c
h
co
m
p
o
n
en
t i
s
s
p
ec
i
f
ied
b
y
it
s
a
m
p
l
it
u
d
e,
f
r
eq
u
e
n
c
y
,
a
n
d
p
h
ase:
(
)
=
∑
.s
in
(
Ω
+
)
=
1
(
1
)
I
n
(
1
)
,
,
Ω
,
,
an
d
N
d
en
o
te
t
h
e
a
m
p
litu
d
e,
f
r
eq
u
e
n
c
y
,
an
d
p
h
a
s
e
o
f
th
e
k
-
t
h
s
in
u
s
o
id
al
co
m
p
o
n
en
t
r
esp
ec
tiv
el
y
,
w
h
ile
N
in
d
icate
s
th
e
to
tal
n
u
m
b
er
o
f
p
o
ten
tia
l
p
ea
k
s
.
An
o
th
er
p
o
s
iti
v
e
asp
e
ct
o
f
th
e
s
i
n
u
s
o
id
al
co
d
in
g
s
c
h
e
m
e
is
th
at
it
ca
n
r
ep
r
esen
t
b
o
th
v
o
iced
s
p
ee
ch
a
n
d
u
n
v
o
iced
s
p
ee
ch
.
I
t
p
er
f
o
r
m
s
an
an
a
l
y
s
is
f
u
n
c
tio
n
b
y
b
r
ea
k
i
n
g
t
h
e
in
co
m
i
n
g
s
p
ee
ch
s
ig
n
al
i
n
to
f
r
a
m
e
s
an
d
th
e
n
ex
tr
ac
ti
n
g
p
ar
a
m
eter
s
w
h
ile
an
al
y
zi
n
g
ea
c
h
f
r
a
m
e
,
w
h
ic
h
is
w
h
y
w
e
ca
ll
i
t
an
an
a
l
y
s
i
s
f
u
n
ctio
n
.
T
h
e
p
ar
a
m
eter
s
ex
tr
ac
ted
d
u
r
in
g
th
e
a
n
al
y
s
is
ar
e
th
en
e
m
p
lo
y
ed
at
th
e
r
ec
eiv
i
n
g
en
d
to
r
ec
o
n
s
t
r
u
ct
th
e
o
r
ig
i
n
al
s
p
ee
ch
s
e
g
m
e
n
ts
.
2
.
1
.
E
nco
der
s
t
a
g
e
T
h
e
en
co
d
in
g
s
y
s
te
m
w
o
r
k
s
to
p
ar
am
e
ter
s
ets,
a
n
d
q
u
a
n
tize
s
th
o
s
e
p
ar
a
m
eter
s
t
h
en
co
n
v
er
t
s
th
e
m
i
n
to
b
in
ar
y
f
o
r
m
at
f
o
r
tr
an
s
m
i
s
s
io
n
.
T
h
e
p
ar
ad
ig
m
u
s
ed
s
tr
i
v
es to
m
in
i
m
ize
th
e
d
ata
r
ate
n
ec
ess
ar
y
to
r
ep
r
esen
t t
h
e
p
ar
am
eter
s
et
s
w
h
ile
m
a
in
ta
i
n
in
g
p
er
ce
p
tu
al
q
u
ali
t
y
.
T
h
e
f
ir
s
t
s
tep
is
s
a
m
p
l
in
g
t
h
e
s
p
ee
ch
at
8
k
Hz
an
d
s
eg
m
e
n
ti
n
g
it
in
to
m
a
n
y
f
r
a
m
es.
E
ac
h
f
r
a
m
e
i
s
f
u
r
t
h
er
clas
s
if
ica
tio
n
i
n
to
t
w
o
d
is
ti
n
ct
g
r
o
u
p
s
o
f
v
o
iced
a
n
d
u
n
v
o
iced
.
Vo
iced
s
eg
m
e
n
ts
w
i
ll
r
ec
eiv
e
m
o
r
e
p
ea
k
s
th
a
n
u
n
v
o
iced
.
I
n
ad
d
itio
n
,
th
e
an
al
y
s
is
o
f
v
o
iced
s
eg
m
en
t
s
h
as
a
f
u
r
th
er
le
v
el
o
f
a
n
al
y
s
i
s
w
h
ich
id
en
ti
f
ie
s
t
h
ese
s
eg
m
en
ts
,
a
n
d
s
u
b
-
cla
s
s
e
s
th
e
s
e
g
m
e
n
t
s
i
n
to
N
s
u
b
-
s
eg
m
e
n
ts
b
ased
o
n
e
n
er
g
y
cla
s
s
i
f
icatio
n
.
T
h
e
s
u
b
-
s
e
g
m
e
n
t
s
w
il
l
also
b
e
clas
s
i
f
ied
as
p
ee
le
d
o
r
n
o
t
p
ee
led
,
f
o
r
ex
a
m
p
le,
b
ased
o
n
en
er
g
y
le
v
els.
T
h
e
s
eg
m
e
n
t
w
i
th
a
h
ig
h
er
a
m
o
u
n
t
o
f
en
er
g
y
w
ill
r
ec
eiv
e
m
o
r
e
p
ea
k
s
to
r
ep
r
esen
t
v
er
s
u
s
th
e
s
e
g
m
en
t
w
it
h
t
h
e
lo
w
er
lev
el
o
f
en
er
g
y
th
at
w
i
ll
r
ec
eiv
e
th
e
lo
w
est
n
u
m
b
er
o
f
p
ea
k
s
.
T
h
e
in
te
n
tio
n
o
f
t
h
is
lev
el
o
f
cla
s
s
i
f
icatio
n
s
tr
ate
g
y
is
to
id
en
ti
f
y
t
h
e
m
o
s
t
s
i
g
n
i
f
ica
n
t
p
ar
a
m
e
ter
s
w
it
h
a
m
aj
o
r
ex
tr
ac
t
an
d
r
etu
r
n
s
th
a
t
b
ased
o
n
its
h
ig
h
e
s
t
an
d
m
o
s
t
co
m
p
lete
r
ep
r
esen
tat
io
n
.
T
h
e
en
co
d
in
g
s
y
s
te
m
i
s
m
ad
e
u
p
o
f
t
w
o
f
u
n
ctio
n
al
b
lo
ck
s
th
at
p
r
o
v
id
e
d
etails
o
n
h
o
w
th
e
d
is
ti
n
ct
io
n
an
d
ap
p
l
icatio
n
s
o
f
b
o
th
m
et
h
o
d
o
lo
g
ies
ar
e
ex
p
r
ess
ed
in
t
h
e
n
e
x
t
f
e
w
s
ec
t
i
o
n
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
C
o
s
t
-
effec
tive
lo
n
g
-
r
a
n
g
e
s
ec
u
r
e
s
p
ee
ch
co
mmu
n
ica
tio
n
s
ystem
fo
r
in
tern
et
o
f th
in
g
s
…
(
S
a
mer A
la
b
ed
)
1417
2
.
1
.
1
.
Sin
us
o
ida
l
pea
ks
s
elec
t
io
n str
a
t
eg
y
Sig
n
al
s
tab
ilit
y
is
ac
h
iev
ed
th
r
o
u
g
h
b
o
u
n
d
ar
ies
in
w
h
ic
h
s
p
ee
ch
w
a
s
d
iv
id
ed
in
to
p
r
i
m
ar
y
s
e
g
m
e
n
t
s
o
f
20
-
4
0
m
il
lis
ec
o
n
d
s
.
T
h
ese
s
eg
m
e
n
t
s
w
er
e
p
u
t
th
r
o
u
g
h
f
a
s
t
f
o
u
r
ier
tr
an
s
f
o
r
m
(
F
FT
)
p
r
o
ce
s
s
in
g
to
ex
p
o
s
e
s
in
u
s
o
id
al
p
ea
k
s
w
h
ic
h
ar
e
v
i
tal
to
r
ec
o
n
s
tr
u
ct
s
p
ee
c
h
a
t
t
h
e
r
ec
eiv
i
n
g
en
d
.
O
n
e
o
f
t
h
e
m
ain
c
h
alle
n
g
e
s
w
a
s
p
r
o
p
er
ly
id
en
ti
f
y
i
n
g
s
i
g
n
i
f
ica
n
t
p
ea
k
s
a
n
d
d
ef
i
n
in
g
t
h
eir
p
r
o
p
er
ties
,
p
ar
ticu
lar
l
y
w
h
at
t
h
e
o
p
ti
m
u
m
w
in
d
o
w
len
g
th
i
s
to
an
al
y
ze
th
e
p
ea
k
s
.
I
t
is
i
m
p
er
ativ
e
to
w
ei
g
h
t
h
e
l
en
g
t
h
s
o
f
th
e
co
m
p
o
n
en
t
o
f
th
e
s
in
u
s
o
id
al
w
av
e
s
b
et
w
ee
n
t
w
o
f
r
a
m
e
s
o
f
r
ef
er
en
ce
.
A
s
h
o
r
t w
in
d
o
w
len
g
t
h
ca
p
tu
r
es
th
e
r
ap
id
v
ar
iatio
n
s
o
f
t
h
e
s
ig
n
al,
an
d
a
lo
n
g
o
n
e
allo
w
s
f
o
r
ac
cu
r
ate
m
ea
s
u
r
e
m
en
t
s
o
f
f
r
eq
u
en
c
y
an
d
s
ep
ar
atio
n
o
f
clo
s
el
y
s
itu
a
ted
s
in
u
s
o
id
s
.
T
h
e
an
al
y
t
ic
p
o
r
tio
n
in
co
r
p
o
r
ate
d
a
w
in
d
o
win
g
f
u
n
c
tio
n
o
f
Ha
n
n
in
g
.
T
h
e
Han
n
in
g
w
i
n
d
o
w
w
a
s
s
elec
ted
n
o
t
o
n
l
y
f
o
r
its
s
id
e
lo
b
e
r
ed
u
ctio
n
ca
p
ab
ilit
ies
b
u
t
al
s
o
f
o
r
th
e
i
m
p
r
o
v
e
m
e
n
t
o
f
s
p
ee
ch
q
u
alit
y
.
T
h
e
s
i
n
u
s
o
id
al
co
m
p
o
n
en
t
s
p
r
esen
ted
w
er
e
tak
e
n
f
r
o
m
ac
t
u
al
s
i
g
n
al
s
f
r
o
m
s
h
o
r
t
-
ti
m
e
f
o
u
r
ier
tr
an
s
f
o
r
m
(
ST
FT)
p
r
o
ce
s
s
in
g
,
w
h
ic
h
s
ca
n
n
ed
ev
er
y
2
0
-
4
0
m
ill
is
ec
o
n
d
s
,
ex
t
r
ac
tin
g
ev
er
y
p
ea
k
ac
r
o
s
s
m
a
n
y
lo
ca
l
m
ax
i
m
a.
T
h
e
m
a
g
n
it
u
d
e
p
ea
k
s
in
ST
F
T
,
r
ep
r
esen
t
s
i
n
u
s
o
id
al
co
m
p
o
n
e
n
ts
.
T
h
is
m
et
h
o
d
o
lo
g
y
o
f
s
i
n
u
s
o
id
al
ex
tr
ac
tio
n
i
s
a
s
ta
n
d
ar
d
p
r
ac
tice
an
d
h
a
s
b
ee
n
estab
lis
h
ed
in
m
a
n
y
au
d
io
co
m
p
r
e
s
s
io
n
m
et
h
o
d
s
,
as
lo
n
g
as
th
e
y
p
r
o
tect
th
e
b
it
r
ate
an
d
s
elec
ted
co
m
p
o
n
en
t
s
to
cr
ea
te
th
e
m
o
s
t
ef
f
icien
t
d
ata.
T
h
r
esh
o
ld
b
ased
p
ea
k
d
ete
ctio
n
also
o
p
tim
ized
s
y
s
te
m
p
er
f
o
r
m
an
ce
w
h
er
e
o
n
l
y
m
ax
i
m
a
o
v
er
a
d
ef
in
ed
t
h
r
esh
o
ld
w
o
u
l
d
b
e
q
u
an
ti
f
ied
as
leg
iti
m
ate
p
ea
k
s
.
An
ad
d
itio
n
al
o
r
g
an
izatio
n
al
la
y
er
u
s
es
a
n
d
g
r
o
u
p
s
th
e
p
r
i
m
a
r
y
f
r
a
m
e
s
,
w
h
ile
d
iv
id
i
n
g
ea
c
h
f
r
a
m
e
i
n
to
6
s
m
aller
p
ar
ts
.
P
ea
k
id
en
tific
atio
n
i
n
v
o
l
v
es
e
x
a
m
in
in
g
tr
a
n
s
itio
n
s
i
n
th
e
s
p
ec
tr
al
g
r
ad
ien
t
f
r
o
m
h
i
g
h
to
lo
w
v
alu
e
s
.
E
ac
h
p
ea
k
is
p
ar
ab
o
lic
all
y
f
it
ted
,
a
f
itti
n
g
p
r
o
ce
s
s
illu
s
tr
ated
in
th
e
p
ar
ab
o
la
’
s
v
er
t
ex
d
eter
m
in
i
n
g
th
e
ex
ac
t
f
r
eq
u
e
n
c
y
.
I
f
ev
er
y
th
in
g
g
o
es
w
ell,
th
e
ab
o
v
e
d
escr
ip
tio
n
g
en
er
all
y
p
r
o
d
u
ce
s
ab
o
u
t
eig
h
t
y
p
ea
k
s
,
w
h
ich
ar
e
th
en
p
r
ag
m
atica
ll
y
r
ed
u
ce
d
to
m
i
n
i
m
i
ze
p
er
ce
iv
ab
le
in
f
o
r
m
at
io
n
lo
s
s
.
T
h
e
last
p
r
o
ce
s
s
i
n
g
s
tag
e
s
i
m
p
l
y
n
ee
d
s
th
e
f
r
eq
u
e
n
cies
o
f
th
e
id
en
tifie
d
p
ea
k
s
an
d
t
h
eir
cr
itical
p
h
ase
v
alu
e
s
,
to
b
e
q
u
an
ti
f
ied
p
r
io
r
to
tr
an
s
m
is
s
io
n
.
A
s
c
h
e
m
e
o
f
t
h
i
s
t
y
p
e
allo
w
s
f
o
r
e
f
f
icien
t
e
n
c
o
d
in
g
t
h
at
p
o
s
s
es
s
es
t
h
e
e
s
s
e
n
tial
ch
ar
ac
ter
i
s
tics
n
ec
es
s
ar
y
f
o
r
s
p
ee
ch
r
ec
o
n
s
tr
u
ctio
n
.
2
.
1
.
2
.
O
pti
m
iza
t
io
n o
f
da
t
a
r
a
t
e
T
h
e
en
co
d
in
g
s
ch
e
m
e
tak
e
s
a
tar
g
eted
ap
p
r
o
ac
h
an
d
s
ee
k
s
to
co
m
p
r
es
s
o
n
l
y
t
h
e
m
o
s
t
i
m
p
o
r
tan
t
p
ea
k
s
p
o
s
s
ib
le.
T
h
e
a
p
p
r
o
ac
h
is
to
s
eg
m
e
n
t t
h
e
s
p
ee
ch
i
n
to
s
m
aller
p
iece
s
,
an
d
th
e
m
o
d
el
in
co
r
p
o
r
ates a
h
ier
ar
ch
ical
class
i
f
icatio
n
s
tr
u
ct
u
r
e.
T
h
e
o
v
er
all
ar
ch
i
tectu
r
e
o
f
t
h
e
m
o
d
el
is
d
escr
ib
ed
in
Fi
g
u
r
e
s
1
(
a
)
an
d
(
b
)
.
Fo
r
th
e
p
u
r
p
o
s
es
o
f
g
r
o
u
p
i
n
g
an
d
en
c
o
d
in
g
d
ata,
s
p
ee
ch
i
s
f
ir
s
t
s
e
g
m
en
ted
in
to
f
r
a
m
e
s
(
p
r
i
m
ar
y
f
r
a
m
es)
an
d
cla
s
s
i
f
ied
u
s
i
n
g
an
e
n
er
g
y
-
b
ased
t
h
r
es
h
o
ld
cr
iter
io
n
w
h
ich
cla
s
s
i
f
ie
s
f
r
a
m
es
as
v
o
iced
o
r
u
n
v
o
iced
.
An
y
f
r
a
m
es
t
h
at
h
ad
en
er
g
y
ab
o
v
e
t
h
e
t
h
r
es
h
o
ld
ar
e
class
i
f
ied
as
v
o
iced
,
an
d
f
r
a
m
es
th
at
w
er
e
b
elo
w
th
e
th
r
es
h
o
ld
ar
e
class
i
f
ied
a
s
u
n
v
o
iced
.
Fo
r
v
o
ice
d
s
eg
m
e
n
t
s
,
th
e
al
g
o
r
ith
m
t
h
e
n
p
r
o
ce
s
s
e
s
a
v
o
iced
f
r
a
m
e
a
n
d
s
e
g
m
en
t
s
ea
ch
f
r
a
m
e
in
to
N
s
u
b
-
s
e
g
m
e
n
t
s
an
d
u
s
e
s
an
o
t
h
er
en
er
g
y
-
b
a
s
ed
class
i
f
icat
io
n
f
o
r
th
e
s
u
b
-
s
eg
m
e
n
ts
.
A
h
i
g
h
er
e
n
er
g
y
s
u
b
-
s
eg
m
e
n
t
s
eg
m
e
n
t
w
o
u
ld
r
ec
eiv
e
a
h
i
g
h
er
n
u
m
b
er
o
f
p
ea
k
s
to
en
co
d
e.
T
h
e
u
n
v
o
iced
f
r
a
m
es
u
s
e
th
e
s
e
g
m
e
n
ted
s
u
b
-
s
eg
m
e
n
ts
t
h
r
o
u
g
h
t
h
e
s
a
m
e
m
an
n
er
;
h
o
w
ev
er
,
t
h
er
e
is
n
o
w
a
y
to
d
is
ti
n
g
u
i
s
h
t
h
e
e
n
er
g
y
lev
e
ls
o
f
t
h
e
s
u
b
-
s
eg
m
e
n
ts
-
ea
ch
s
u
b
-
s
e
g
m
e
n
t
f
o
r
ev
er
y
u
n
v
o
iced
f
r
a
m
e
i
s
g
iv
en
th
e
p
ea
k
allo
ca
tio
n
f
r
o
m
th
e
lo
w
est
e
n
er
g
y
allo
ca
tio
n
d
eter
m
i
n
ed
f
o
r
t
h
e
v
o
iced
f
r
a
m
es.
T
h
e
s
e
g
m
e
n
tin
g
to
s
e
g
m
en
tat
io
n
a
n
d
cla
s
s
i
f
icatio
n
en
ab
le
s
id
en
ti
f
icatio
n
o
f
th
e
m
o
s
t
i
m
p
o
r
tan
t
p
ea
k
s
as
p
o
s
s
ib
le
an
d
en
co
d
e
th
em
w
h
ile
also
co
m
p
r
ess
in
g
d
ata
w
h
il
e
m
ai
n
tai
n
r
ec
o
n
s
tr
u
ctio
n
o
f
s
p
ee
ch
.
T
h
e
m
o
d
el
h
ea
v
il
y
e
m
p
h
as
iz
es
p
ar
a
m
eter
r
ed
u
ctio
n
as
a
m
ea
n
s
to
m
i
n
i
m
ize
co
m
p
r
e
s
s
io
n
-
r
elate
d
er
r
o
r
s
.
T
h
e
s
y
s
te
m
tar
g
et
s
a
r
ed
u
ctio
n
i
n
f
r
a
m
e
p
ar
a
m
eter
s
to
b
et
w
ee
n
1
5
an
d
3
0
p
er
m
ai
n
f
r
a
m
e.
B
ey
o
n
d
th
e
s
e
in
itial
r
ed
u
ctio
n
m
et
h
o
d
s
,
ad
d
itio
n
al
co
m
p
r
ess
io
n
i
s
ac
h
ie
v
ed
d
u
r
in
g
q
u
a
n
tiza
tio
n
.
T
h
e
en
co
d
in
g
p
r
o
ce
s
s
i
m
p
le
m
en
t
s
t
h
r
ee
d
is
tin
ct
le
v
e
ls
o
f
p
r
o
ce
s
s
in
g
f
o
llo
w
in
g
t
h
e
f
r
a
m
e
cla
s
s
i
f
icatio
n
an
d
s
e
g
m
en
tatio
n
:
−
P
ea
k
r
ed
u
ctio
n
: f
o
c
u
s
es
o
n
m
i
n
i
m
izi
n
g
t
h
e
n
u
m
b
er
o
f
p
ea
k
s
to
r
ed
u
ce
r
ed
u
n
d
an
t d
ata.
−
P
h
ase
r
ed
u
ctio
n
: s
i
m
p
li
f
ie
s
p
h
ase
in
f
o
r
m
atio
n
w
it
h
o
u
t s
ig
n
i
f
ican
tl
y
af
f
ec
ti
n
g
q
u
alit
y
.
−
T
h
r
esh
o
ld
r
ed
u
ctio
n
:
i
m
p
le
m
e
n
ts
a
t
h
r
es
h
o
ld
to
eli
m
in
a
te
m
in
o
r
p
ea
k
s
,
r
etain
i
n
g
o
n
l
y
th
e
m
o
s
t
cr
itical
o
n
es.
a.
Nu
m
b
er
o
f
p
ea
k
s
m
in
i
m
izatio
n
T
h
e
em
p
h
a
s
is
o
f
th
i
s
p
h
ase
is
to
d
eter
m
in
e
t
h
e
N
m
o
s
t
p
o
w
er
f
u
l
h
ar
m
o
n
ic
co
m
p
o
n
e
n
ts
with
i
n
ea
c
h
v
o
iced
s
eg
m
en
t,
w
h
er
e
N
is
s
p
ec
if
ied
b
y
t
h
e
tar
g
et
b
itra
te.
T
h
ese
n
o
tab
l
y
in
cl
u
d
e
t
w
o
d
is
tin
ct
s
tep
s
:
f
ir
s
t,
t
h
e
s
p
ec
tr
al
d
ec
o
m
p
o
s
itio
n
o
f
t
h
e
s
eg
m
e
n
ts
w
i
ll
b
e
p
er
f
o
r
m
ed
t
o
d
eter
m
i
n
e
t
h
e
d
o
m
i
n
an
t
f
r
e
q
u
en
c
y
co
m
p
o
n
e
n
ts
in
t
h
at
s
e
g
m
e
n
t.
T
h
en
,
i
f
t
h
er
e
is
m
o
r
e
th
a
n
o
n
e
a
m
p
lit
u
d
e
p
ea
k
in
t
h
e
v
ici
n
it
y
,
t
h
e
al
g
o
r
ith
m
w
ill
o
n
l
y
k
ee
p
th
e
lar
g
est
o
n
e
i
n
o
r
d
er
to
av
o
id
r
ed
u
n
d
an
t
in
f
o
r
m
a
tio
n
a
n
d
ac
cu
r
atel
y
r
ep
r
esen
t
th
e
s
p
ec
tr
al
in
f
o
r
m
atio
n
.
T
h
is
m
et
h
o
d
ical
ap
p
r
o
ac
h
allo
w
s
f
o
r
h
ig
h
-
f
id
elit
y
r
ep
r
o
d
u
ctio
n
o
f
v
o
ice
in
t
h
e
d
ec
o
d
ed
o
u
tp
u
t
an
d
p
r
o
v
id
es
a
s
tr
o
n
g
f
o
u
n
d
atio
n
f
o
r
th
e
n
e
x
t e
n
co
d
in
g
p
h
ases
.
b.
P
h
ase
m
i
n
i
m
izatio
n
T
h
is
p
r
o
ce
s
s
in
ten
d
s
to
en
h
a
n
c
e
p
h
ase
r
elate
d
p
ar
am
eter
e
x
tr
ac
tio
n
,
b
y
d
if
f
er
en
t
iati
n
g
s
u
b
-
f
r
a
m
es
i
n
to
v
o
iced
an
d
u
n
v
o
iced
s
u
b
-
f
r
a
m
es.
Vo
iced
s
u
b
-
f
r
a
m
e
s
d
is
p
la
y
th
r
ee
attr
ib
u
tes
a
s
ev
id
en
ce
o
f
v
o
iced
n
es
s
:
i
)
t
h
e
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
5
,
Octo
b
e
r
20
25
:
1
4
1
5
-
1
426
1418
ar
e
ab
o
v
e
a
ce
r
tain
a
m
p
litu
d
e
l
ev
el,
ex
h
ib
it
a
lo
w
er
-
th
a
n
-
n
o
r
m
al
f
r
eq
u
e
n
c
y
o
f
ze
r
o
-
cr
o
s
s
i
n
g
s
,
an
d
th
e
y
in
c
lu
d
e
id
en
ti
f
iab
le
p
itch
ed
ch
ar
ac
ter
i
s
tics
t
y
p
ical
o
f
v
o
iced
p
h
o
n
e
m
es
;
ii
)
t
h
e
e
n
er
g
et
ic
m
a
g
n
it
u
d
e
is
d
esig
n
ated
as
t
h
e
p
r
im
ar
y
m
etr
ic
f
o
r
class
i
f
icat
io
n
:
w
e
u
s
e
a
s
i
m
p
le
b
in
ar
y
cla
s
s
if
icatio
n
p
r
o
ce
s
s
.
I
n
t
h
e
ca
s
e
o
f
v
o
iced
s
u
b
-
f
r
a
m
e
s
d
is
p
la
y
i
n
g
co
n
s
id
er
ab
le
en
er
g
y
,
p
h
ase
ex
tr
ac
t
io
n
i
s
d
ir
ec
t;
w
h
e
n
t
h
e
f
r
a
m
e
i
s
u
n
v
o
iced
,
t
h
en
w
ell
-
u
s
ed
p
h
ase
ex
tr
ac
tio
n
m
e
th
o
d
s
m
a
y
b
e
u
s
ed
,
s
u
ch
as
m
eth
o
d
s
in
[
2
7
]
-
[
3
0
]
.
I
n
t
h
is
w
a
y
,
it is
p
o
s
s
ib
le
to
r
ed
u
ce
th
e
n
u
m
b
er
o
f
p
h
ase
p
ar
a
m
eter
s
w
h
ile
r
eta
in
i
n
g
p
er
ce
p
tu
al
q
u
alit
y
i
n
s
p
e
ec
h
,
s
i
n
ce
th
e
h
u
m
an
ea
r
i
s
ess
en
tiall
y
i
n
s
e
n
s
i
tiv
e
to
n
o
n
-
id
ea
l p
h
ases
.
(
a)
(
b
)
Fig
u
r
e
1
.
S
y
s
te
m
’
s
ar
c
h
itect
u
r
e
:
(
a)
en
co
d
er
s
tag
e
an
d
(
b
)
p
a
r
a
m
eter
ex
tr
ac
tio
n
a
n
d
r
ed
u
cti
o
n
s
tag
e
c.
T
h
r
esh
o
ld
o
p
tim
iza
tio
n
T
h
is
s
ta
g
e
r
ep
r
esen
ts
th
e
m
o
s
t
p
r
ac
tical
o
f
all
p
r
ev
io
u
s
r
ed
u
ctio
n
m
et
h
o
d
s
,
s
i
n
ce
it
is
d
e
s
ig
n
ed
to
eli
m
i
n
ate
th
e
n
u
m
b
er
o
f
s
in
u
s
o
id
al
co
m
p
o
n
en
ts
as
th
e
f
id
elit
y
o
f
th
e
v
o
ice
is
m
ain
tain
ed
.
T
h
e
m
et
h
o
d
e
m
p
lo
y
s
a
th
r
es
h
o
ld
b
ased
o
n
m
a
g
n
it
u
d
e,
eli
m
i
n
ati
n
g
a
n
y
p
ea
k
s
b
elo
w
th
is
t
h
r
es
h
o
ld
v
al
u
e.
B
ec
au
s
e
ea
ch
a
m
p
li
tu
d
e
h
a
s
a
co
r
r
esp
o
n
d
in
g
f
r
eq
u
e
n
c
y
a
n
d
p
h
ase,
th
is
p
r
u
n
i
n
g
p
r
o
ce
s
s
r
ed
u
ce
s
n
o
t
o
n
l
y
th
e
a
m
p
lit
u
d
e
v
alu
es,
b
u
t
al
s
o
th
eir
f
r
eq
u
en
c
y
a
n
d
p
h
a
s
e,
t
h
u
s
r
ed
u
cin
g
th
e
m
a
g
n
it
u
d
e
o
f
al
l
t
h
e
p
ar
a
m
eter
s
i
n
t
h
e
m
o
d
el.
T
h
is
p
r
o
ce
s
s
w
il
l
h
av
e
t
w
o
d
ir
ec
t
b
e
n
ef
its
.
T
h
e
f
ir
s
t
b
en
ef
it
i
s
a
d
r
a
m
a
tic
r
ed
u
ctio
n
in
t
h
e
a
m
o
u
n
t
o
f
b
a
n
d
w
id
th
th
at
w
ill
b
e
r
eq
u
ir
ed
f
o
r
tr
an
s
m
itti
n
g
th
e
s
ig
n
al.
T
h
e
s
ec
o
n
d
b
en
ef
it
i
s
th
at
t
h
e
q
u
alit
y
o
f
t
h
e
r
ec
o
n
s
tr
u
cted
w
a
v
ef
o
r
m
w
ill
i
m
p
r
o
v
e,
b
y
r
e
m
o
v
in
g
co
m
p
o
n
en
t
s
t
h
a
t
co
n
tr
ib
u
te
n
o
t
h
in
g
to
th
e
v
o
ice
o
th
er
th
a
n
r
a
n
d
o
m
n
o
is
e
.
T
h
e
f
ilter
i
n
g
w
ill
i
m
p
r
o
v
e
th
e
clar
it
y
o
f
t
h
e
s
i
g
n
al,
b
u
t
w
h
en
es
tab
lis
h
in
g
th
e
th
r
es
h
o
ld
v
al
u
e,
th
er
e
n
e
ed
s
to
b
e
ca
r
ef
u
l
co
n
s
id
er
atio
n
to
av
o
id
u
s
i
n
g
a
th
r
esh
o
ld
th
at
is
to
o
h
i
g
h
a
n
d
th
u
s
r
is
k
s
eli
m
i
n
ati
n
g
letter
-
an
d
w
o
r
d
-
co
n
ta
in
ed
s
p
ec
tr
al
co
m
p
o
n
e
n
ts
.
B
ec
au
s
e
o
f
th
is
,
th
e
th
r
es
h
o
ld
m
u
s
t
b
e
ch
o
s
en
ca
r
ef
u
ll
y
an
d
w
ill
m
o
s
t
o
f
ten
r
eq
u
ir
e
a
s
tatis
t
ical
d
eter
m
i
n
a
tio
n
o
f
th
e
r
an
g
e
o
f
v
alu
e
s
u
s
ed
to
s
et
th
e
th
r
esh
o
ld
.
Af
ter
th
e
r
ed
u
ct
io
n
,
ea
ch
p
r
i
m
ar
y
f
r
a
m
e
h
as
S
a
m
p
lit
u
d
es,
S
f
r
eq
u
en
c
y
co
m
p
o
n
e
n
t
s
,
an
d
0
.
5
S
p
h
ases
.
T
h
is
m
ea
n
s
th
at
th
er
e
ar
e
S
p
e
ak
s
,
S
f
r
eq
u
e
n
cies,
an
d
o
n
l
y
h
a
lf
as
m
a
n
y
p
h
a
s
es
p
er
f
r
a
m
e.
T
h
is
i
m
p
le
m
e
n
tatio
n
u
s
e
s
6
b
its
f
o
r
a
m
p
lit
u
d
e
an
d
f
r
eq
u
en
c
y
p
ar
a
m
eter
v
a
lu
e
s
,
wh
ile
it
r
ec
o
r
d
s
4
b
its
f
o
r
ea
ch
p
h
ase
p
ar
a
m
e
ter
.
T
h
e
f
r
a
m
e
-
s
p
ec
i
f
ic
d
ata
r
ate
is
c
alcu
lated
as
(
6
×
(
+
)
+
4
×
(
0
.
5
)
)
=
14
/
.
T
h
e
s
y
s
te
m
’
s
o
v
er
all
d
ata
r
ate
(
R
)
is
t
h
e
n
d
er
iv
ed
as:
=
14
/
×
/
=
14
.
T
h
e
s
y
s
te
m
m
a
y
r
eq
u
ir
e
ad
d
itio
n
al
b
it
allo
ca
ti
o
n
f
o
r
co
n
tr
o
l
f
u
n
ctio
n
s
a
n
d
er
r
o
r
m
a
n
ag
e
m
e
n
t.
A
t
th
i
s
s
ta
g
e,
th
e
q
u
a
n
tizatio
n
p
r
o
ce
s
s
b
ec
o
m
es c
r
u
cial,
ca
r
r
y
in
g
eq
u
al
w
ei
g
h
t i
n
e
n
s
u
r
in
g
e
f
f
icien
t si
g
n
a
l e
n
co
d
in
g
an
d
tr
an
s
m
i
s
s
io
n
.
2
.
1
.
3
.
M
o
delin
g
a
nd
enco
din
g
T
h
e
q
u
an
tizatio
n
p
r
o
ce
s
s
d
iv
i
d
es
th
e
a
m
p
lit
u
d
e
r
an
g
e
o
f
t
h
e
s
ig
n
al
i
n
to
f
in
ite
r
eg
io
n
s
.
T
h
e
f
o
r
m
u
la
=
2
is
u
s
ed
to
d
eter
m
i
n
e
t
h
e
n
u
m
b
er
o
f
q
u
an
tiza
tio
n
s
tep
s
,
w
h
e
r
e
b
is
th
e
n
u
m
b
er
o
f
b
its
a
n
d
W
is
t
h
e
n
u
m
b
er
o
f
q
u
an
tizatio
n
s
tep
s
.
T
h
e
s
y
s
te
m
s
u
b
s
eq
u
e
n
t
l
y
m
ap
s
th
e
s
ig
n
al
v
al
u
e
to
th
e
n
ea
r
est
q
u
an
tizat
io
n
s
tep
an
d
th
en
co
n
v
er
t
s
to
its
b
in
ar
y
v
a
lu
e
ac
co
r
d
in
g
to
p
u
ls
e
co
d
e
m
o
d
u
latio
n
(
P
C
M)
.
Fo
r
th
e
s
y
s
te
m
u
n
d
er
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
C
o
s
t
-
effec
tive
lo
n
g
-
r
a
n
g
e
s
ec
u
r
e
s
p
ee
ch
co
mmu
n
ica
tio
n
s
ystem
fo
r
in
tern
et
o
f th
in
g
s
…
(
S
a
mer A
la
b
ed
)
1419
d
is
cu
s
s
io
n
,
th
e
a
m
p
lit
u
d
e,
f
r
eq
u
en
c
y
,
an
d
p
h
ase
co
m
p
o
n
en
ts
o
f
ea
ch
s
i
n
u
s
o
id
u
n
d
er
g
o
s
p
ec
if
ic
q
u
a
n
tizat
io
n
p
r
o
ce
d
u
r
es,
w
h
ic
h
ar
e
elab
o
r
ated
in
th
e
f
o
llo
w
in
g
s
ec
tio
n
s
.
a.
P
h
ase
m
o
d
elin
g
a
n
d
en
co
d
in
g
T
h
e
s
y
s
te
m
o
p
ti
m
izes
p
h
ase
c
o
m
p
o
n
en
t
b
it
a
llo
ca
tio
n
t
h
r
o
u
g
h
en
tr
o
p
y
r
ed
u
ctio
n
o
f
p
h
ase
v
alu
es.
T
h
i
s
o
p
tim
izatio
n
u
t
ilizes
d
if
f
er
en
ti
al
p
r
ed
ictio
n
tech
n
iq
u
es,
w
h
er
e
f
u
t
u
r
e
p
h
ase
s
tate
s
ar
e
e
s
ti
m
ated
f
r
o
m
h
i
s
to
r
ical
d
ata.
R
ath
er
t
h
an
e
n
co
d
in
g
ab
s
o
lu
te
p
h
a
s
e
v
al
u
es,
th
e
s
y
s
te
m
p
r
o
ce
s
s
es
p
h
a
s
e
d
if
f
er
en
tia
ls
,
w
h
ic
h
ch
ar
ac
ter
is
ticall
y
e
x
h
ib
it
r
ed
u
ce
d
en
tr
o
p
y
co
m
p
ar
ed
to
u
n
p
r
o
ce
s
s
ed
p
h
ase
d
ata
[
2
7
]
.
T
h
e
p
r
ed
icted
p
h
ase
f
o
llo
w
s
t
h
is
m
at
h
e
m
atica
l r
ela
tio
n
s
h
ip
:
̂
=
−
1
+
Ω
=
1,2,
…
,
(
2
)
w
h
er
e
in
d
icate
s
f
r
a
m
e
p
o
s
iti
o
n
,
r
ep
r
esen
ts
t
h
e
l
th
s
i
n
u
s
o
id
al
co
m
p
o
n
en
t,
d
en
o
tes
f
r
a
m
e
d
u
r
atio
n
,
a
n
d
s
ig
n
i
f
ies t
h
e
to
tal
s
i
n
u
s
o
id
al
c
o
u
n
t.
T
h
e
s
y
s
te
m
th
e
n
ca
lc
u
lat
es p
h
ase
d
if
f
er
e
n
tials
,
o
r
r
esid
u
es,
u
s
i
n
g
:
Δ
=
−
̂
=
1,2,
…
(
3
)
I
n
th
is
f
r
a
m
e
w
o
r
k
,
i
n
itial
p
h
ase
v
al
u
es
s
er
v
e
as
t
h
e
b
as
i
s
f
o
r
co
m
p
u
ti
n
g
p
h
ase
d
if
f
er
en
tial
s
,
w
h
ich
ar
e
f
u
n
d
a
m
en
ta
l to
r
esid
u
e
d
eter
m
in
atio
n
d
u
r
in
g
en
co
d
i
n
g
.
b.
Fre
q
u
en
c
y
en
co
d
in
g
Fo
llo
w
i
n
g
t
h
e
co
n
v
er
s
io
n
o
f
s
p
ee
ch
s
e
g
m
en
ts
to
f
r
eq
u
en
c
y
r
ep
r
esen
tatio
n
v
ia
ST
FT
,
f
r
eq
u
e
n
c
y
co
m
p
o
n
e
n
t
s
ar
e
ex
p
r
ess
ed
as
in
teg
er
s
.
C
o
n
s
id
er
a
MA
T
L
A
B
i
m
p
le
m
e
n
tatio
n
:
w
it
h
i
n
a
2
5
6
-
s
a
m
p
le
ST
F
T
f
r
a
m
e,
f
r
eq
u
e
n
cies
m
ap
to
i
n
t
eg
er
v
al
u
es
(
)
f
r
o
m
1
to
2
5
6
,
co
r
r
esp
o
n
d
in
g
to
t
h
e
p
h
y
s
ica
l
f
r
eq
u
e
n
c
y
r
a
n
g
e
(
)
o
f
0
to
4
0
0
0
Hz.
T
h
e
r
elatio
n
s
h
ip
b
et
w
ee
n
t
h
ese
v
alu
e
s
f
o
l
lo
w
s
:
=
(
−
1
)
×
4000
(
4
)
I
n
(
4
)
,
r
ep
r
esen
ts
th
e
in
te
g
er
f
r
eq
u
en
c
y
v
al
u
e,
w
i
th
t
h
e
d
i
m
e
n
s
io
n
(
s
u
c
h
as
2
5
6
)
d
ef
in
in
g
f
r
eq
u
en
c
y
r
eso
lu
tio
n
g
r
an
u
lar
it
y
.
W
h
ile
c
o
n
v
e
n
tio
n
al
s
y
s
te
m
s
t
y
p
icall
y
allo
ca
te
8
b
its
p
er
f
r
eq
u
en
c
y
v
a
lu
e
(
)
,
th
is
m
o
d
el
ac
h
iev
e
s
co
m
p
ar
ab
le
r
es
u
lts
with
j
u
s
t
6
b
its
.
T
h
e
s
y
s
te
m
ta
k
e
s
th
e
p
r
ev
io
u
s
r
ef
i
n
e
m
e
n
t
o
f
b
i
t
allo
ca
tio
n
f
u
r
t
h
er
b
ased
o
n
th
e
p
er
ce
p
tu
al
s
ig
n
i
f
ican
ce
o
f
in
d
i
v
id
u
a
l
f
r
eq
u
en
c
y
b
a
n
d
s
.
I
n
th
is
s
y
s
te
m
,
lo
w
er
f
r
eq
u
e
n
c
y
co
m
p
o
n
e
n
t
s
ar
e
m
o
r
e
a
f
f
ec
te
d
b
y
t
h
e
f
ir
s
t
f
r
eq
u
e
n
cies,
wh
ile
h
i
g
h
er
f
r
eq
u
en
c
ies
ar
e
a
f
f
ec
t
ed
b
y
t
h
e
las
t
f
r
eq
u
en
c
ies.
B
ec
au
s
e
h
ig
h
er
f
r
eq
u
en
cies
co
n
tr
ib
u
te
les
s
to
t
h
e
o
v
er
all
p
er
ce
p
tu
al
q
u
ali
t
y
o
f
s
p
ee
ch
,
th
e
s
a
m
e
b
it
allo
ca
tio
n
ac
r
o
s
s
all
f
r
eq
u
en
cies
is
n
o
t
n
ee
d
ed
.
T
h
er
ef
o
r
e,
th
e
s
y
s
te
m
allo
ca
te
s
less
b
its
to
th
e
h
ig
h
er
f
r
eq
u
en
c
y
co
m
p
o
n
en
t
s
t
h
a
n
t
o
th
e
lo
w
er
f
r
eq
u
en
c
y
.
T
h
e
ad
ap
tiv
e
b
it
allo
ca
tio
n
to
ac
h
i
ev
e
a
r
ed
u
ctio
n
i
n
b
an
d
w
id
t
h
w
h
ile
m
ain
tain
in
g
a
s
i
m
ilar
q
u
alit
y
o
f
s
p
ee
ch
o
cc
u
r
s
as
f
o
llo
w
s
:
Firs
t,
th
e
s
y
s
t
e
m
n
o
r
m
alize
s
th
e
f
r
eq
u
en
c
y
co
m
p
o
n
en
ts
(
)
th
r
o
u
g
h
d
i
v
is
io
n
b
y
t
h
e
ST
FT
f
r
am
e
d
i
m
en
s
io
n
,
y
ield
in
g
a
n
o
r
m
alize
d
f
r
eq
u
en
c
y
v
ec
to
r
(
)
.
Nex
t,
th
e
s
y
s
te
m
tr
a
n
s
f
o
r
m
s
th
e
s
e
n
o
r
m
alize
d
f
r
eq
u
en
cie
s
(
)
in
to
a
co
m
p
r
es
s
ed
r
ep
r
esen
tatio
n
(
)
to
m
i
n
i
m
ize
en
co
d
in
g
b
its
p
er
f
r
eq
u
en
c
y
v
al
u
e.
T
h
is
co
m
p
r
ess
io
n
f
o
llo
w
s
t
h
e
r
elatio
n
s
h
i
p
:
=
64
(
lo
g
(
1
+
4
)
)
1.6
(
5
)
T
h
is
tr
an
s
f
o
r
m
atio
n
co
n
s
tr
ain
s
th
e
v
al
u
es
to
b
et
w
ee
n
1
an
d
6
4
,
f
o
llo
w
in
g
a
s
tr
u
ct
u
r
e
o
f
a
f
o
r
m
u
l
a
s
i
m
ilar
to
th
e
μ
-
L
a
w
co
m
p
r
e
s
s
io
n
m
eth
o
d
u
s
ed
in
d
ig
ital
s
p
ee
ch
p
r
o
ce
s
s
in
g
.
A
ll
tr
ad
iti
o
n
al
p
r
o
ce
s
s
es
ar
e
f
o
llo
w
ed
b
y
t
h
e
la
s
t
p
ar
t
o
f
th
e
p
r
o
ce
s
s
:
q
u
a
n
tizatio
n
,
w
h
er
e
t
h
e
r
o
u
n
d
ed
v
al
u
es
w
ill
b
e
i
n
te
g
er
s
a
n
d
b
in
ar
y
f
o
r
tr
an
s
m
is
s
io
n
.
T
h
u
s
,
th
e
co
m
p
r
ess
io
n
o
f
f
r
eq
u
en
c
y
v
a
lu
e
s
h
ap
p
en
s
w
h
ile
r
etai
n
i
n
g
s
i
g
n
i
f
ica
n
t
p
r
ec
is
io
n
ch
ar
ac
ter
is
tic
s
to
d
ec
r
ea
s
e
b
an
d
w
id
t
h
u
s
a
g
e,
an
d
ad
h
er
e
to
th
e
m
o
d
el
’
s
d
esi
g
n
f
u
n
ctio
n
.
c.
Am
p
lit
u
d
e
en
co
d
in
g
Sin
u
s
o
id
al
a
m
p
lit
u
d
es
ar
e
cr
u
cial
co
m
p
o
n
e
n
ts
th
a
t
ar
e
h
ig
h
l
y
s
e
n
s
it
iv
e
to
v
ar
iatio
n
s
d
u
r
in
g
th
e
q
u
an
tizat
io
n
p
r
o
ce
s
s
.
T
o
ad
d
r
e
s
s
th
i
s
,
w
e
p
r
o
p
o
s
e
an
a
d
v
an
ce
d
en
co
d
in
g
tech
n
iq
u
e
th
at
s
i
g
n
if
ica
n
tl
y
e
n
h
a
n
ce
s
r
eso
l
u
tio
n
b
y
a
f
ac
to
r
o
f
6
to
1
2
co
m
p
ar
ed
to
tr
ad
itio
n
al
P
C
M.
Giv
en
t
h
e
a
m
p
li
tu
d
e
v
ec
to
r
x
=
[
0
1
…
−
1
]
,
w
h
er
e
r
ep
r
esen
ts
t
h
e
n
u
m
b
er
o
f
p
ea
k
s
,
t
h
is
tec
h
n
iq
u
e
s
y
s
te
m
atica
ll
y
p
r
o
ce
s
s
es
a
m
p
lit
u
d
es
to
o
p
tim
ize
th
ei
r
en
co
d
in
g
:
1.
L
o
g
ar
it
h
m
ic
tr
an
s
f
o
r
m
atio
n
: c
o
m
p
u
te
t
h
e
b
ase
-
2
lo
g
ar
it
h
m
o
f
ea
ch
a
m
p
lit
u
d
e
(
).
2.
D
y
n
a
m
ic
r
an
g
e
ad
j
u
s
t
m
en
t: ta
k
e
t
h
e
ab
s
o
lu
te
v
a
lu
e
o
f
t
h
e
r
e
s
u
lt
f
r
o
m
t
h
e
p
r
ev
io
u
s
s
tep
a
n
d
m
u
l
tip
l
y
it b
y
γ
to
m
ap
th
e
v
al
u
es to
a
d
y
n
a
m
ic
r
an
g
e
o
f
(
1
-
6
4
)
.
3.
Am
p
lit
u
d
e
ex
tr
ac
tio
n
an
d
s
o
r
t
in
g
:
ex
tr
ac
t
t
h
e
a
m
p
lit
u
d
es
(
)
u
s
i
n
g
(
6
)
an
d
ar
r
an
g
e
t
h
e
(
)
v
alu
es
i
n
ascen
d
i
n
g
o
r
d
er
,
p
air
in
g
th
e
m
w
it
h
t
h
eir
ass
o
ciate
d
p
h
a
s
es a
n
d
f
r
eq
u
e
n
cies a
s
a
s
et.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
5
,
Octo
b
e
r
20
25
:
1
4
1
5
-
1
426
1420
4.
B
in
ar
y
co
n
v
er
s
io
n
o
f
i
n
itial a
m
p
lit
u
d
e:
co
n
v
er
t
th
e
i
n
te
g
er
p
ar
t (
f
lo
o
r
v
alu
e)
o
f
th
e
f
ir
s
t a
m
p
lit
u
d
e
0
in
to
b
in
ar
y
,
d
en
o
ted
as
0
.
5.
Dif
f
er
en
ce
en
co
d
i
n
g
:
f
o
r
ea
ch
a
m
p
lit
u
d
e
,
ca
lcu
late
th
e
d
if
f
er
en
ce
(
)
b
y
s
u
b
tr
ac
ti
n
g
f
r
o
m
t
h
e
in
te
g
er
p
ar
t o
f
th
e
p
r
ec
ed
in
g
a
m
p
lit
u
d
e
(
⌊
−
1
⌋
).
6.
R
eso
l
u
tio
n
s
ca
l
in
g
:
ch
o
o
s
e
a
s
ca
lin
g
f
ac
to
r
α
in
th
e
r
an
g
e
(
6
-
1
2
)
,
an
d
m
u
l
tip
l
y
it
b
y
th
e
r
esu
lt
o
f
th
e
p
r
ev
io
u
s
s
tep
(
).
7.
Qu
a
n
tizatio
n
an
d
b
in
ar
y
co
n
v
er
s
io
n
:
ta
k
e
t
h
e
f
lo
o
r
o
f
th
e
s
c
aled
v
alu
e
a
n
d
co
n
v
er
t
it
i
n
to
b
in
ar
y
,
d
en
o
ted
as b
n
b
_
n
b
n
.
8.
R
ep
ea
t th
e
p
r
o
ce
s
s
: r
ep
ea
t ste
p
s
(
5
–
7
)
u
n
til all
v
alu
e
s
h
a
v
e
b
ee
n
p
r
o
ce
s
s
ed
.
T
h
e
lo
g
ar
ith
m
ic
co
n
v
er
s
io
n
o
f
u
n
i
t
y
-
b
o
u
n
d
ed
am
p
li
tu
d
es
g
en
er
ates
n
eg
at
iv
e
v
a
lu
e
s
s
p
an
n
i
n
g
f
r
o
m
−1
to
−2
0
,
w
it
h
1
0
-
6
s
er
v
in
g
as
th
e
d
ef
in
ed
th
r
es
h
o
ld
.
T
h
e
s
y
s
te
m
e
m
p
lo
y
s
a
s
ca
lin
g
co
ef
f
i
cien
t
to
m
o
d
i
f
y
t
h
i
s
r
an
g
e
a
n
d
p
r
o
ce
s
s
es
th
e
d
if
f
er
en
tial
b
et
w
ee
n
co
n
s
ec
u
ti
v
e
a
m
p
lit
u
d
e
v
al
u
es,
ex
p
lo
iti
n
g
t
h
eir
ch
ar
ac
ter
is
tica
ll
y
s
m
al
l
in
tr
a
-
f
r
a
m
e
v
ar
iatio
n
s
.
T
h
e
alg
o
r
ith
m
t
h
en
s
eq
u
en
tia
l
l
y
o
r
d
er
s
th
ese
a
m
p
lit
u
d
es
f
r
o
m
lo
w
e
s
t
to
h
ig
h
es
t,
m
ai
n
tai
n
in
g
t
h
eir
p
h
a
s
e
an
d
f
r
eq
u
en
c
y
a
s
s
o
cia
tio
n
s
to
f
ac
il
itate
ef
f
icie
n
t
e
n
co
d
in
g
.
T
h
is
m
et
h
o
d
ical
p
r
o
ce
s
s
o
p
tim
izes
a
m
p
li
tu
d
e
d
ata
tr
an
s
m
i
s
s
io
n
w
h
ile
p
r
eser
v
i
n
g
r
eso
lu
tio
n
an
d
m
i
n
i
m
izi
n
g
co
m
p
r
e
s
s
io
n
-
in
d
u
ce
d
in
f
o
r
m
atio
n
lo
s
s
.
T
h
e
a
m
p
lit
u
d
e
q
u
an
tizatio
n
g
e
n
er
al
eq
u
ati
o
n
s
ar
e
g
i
v
en
b
y
:
=
|
lo
g
2
(
)
|
(
6
)
0
=
B
in
a
r
y
⌊
0
⌋
(
7
)
=
B
in
a
r
y
⌊
(
−
⌊
−
1
⌋
)
⌋
(
8
)
2
.
2
.
Dec
o
der
s
t
a
g
e
T
h
e
r
ec
o
n
s
tr
u
ctio
n
p
r
o
ce
s
s
,
d
ep
icted
in
Fig
u
r
e
2
,
e
m
p
lo
y
s
a
s
y
n
th
e
s
is
ap
p
r
o
ac
h
w
h
er
e
th
e
d
ec
o
d
er
r
eg
en
er
ates
s
p
ee
c
h
s
eg
m
e
n
ts
t
h
r
o
u
g
h
th
e
s
u
p
er
p
o
s
itio
n
o
f
s
i
n
u
s
o
id
al
c
o
m
p
o
n
e
n
t
s
.
E
ac
h
s
i
n
u
s
o
id
in
co
r
p
o
r
ates
its
u
n
iq
u
e
co
m
b
i
n
atio
n
o
f
a
m
p
litu
d
e,
f
r
eq
u
en
c
y
,
a
n
d
p
h
ase
p
ar
a
m
eter
s
,
as
s
p
ec
if
ied
b
y
t
h
e
en
co
d
ed
d
ata
s
tr
ea
m
f
r
o
m
t
h
e
ea
r
lier
p
r
o
ce
s
s
in
g
s
ta
g
e.
Fig
u
r
e
2
.
Sp
ee
ch
r
ec
o
n
s
tr
u
ct
io
n
p
r
o
ce
s
s
2
.
2
.
1
.
Dec
o
din
g
s
t
ra
t
eg
y
T
h
e
r
ec
o
n
s
tr
u
ctio
n
p
r
o
ce
s
s
in
itiates
w
it
h
th
e
co
n
v
er
s
io
n
o
f
b
in
ar
y
-
e
n
co
d
ed
p
ar
am
eter
s
t
o
d
ec
im
a
l
v
alu
e
s
.
Si
g
n
al
r
esto
r
atio
n
o
c
cu
r
s
ac
r
o
s
s
t
h
r
ee
d
is
ti
n
ct
le
v
els,
ad
d
r
ess
in
g
a
m
p
l
itu
d
e,
f
r
eq
u
en
c
y
,
a
n
d
p
h
ase
co
m
p
o
n
e
n
t
s
s
ep
ar
atel
y
.
T
h
is
l
a
y
er
ed
ap
p
r
o
ac
h
m
i
n
i
m
iz
e
s
r
ec
o
n
s
tr
u
ct
io
n
er
r
o
r
b
et
w
ee
n
o
r
i
g
in
a
l a
n
d
r
ec
o
v
er
ed
p
ar
am
eter
s
,
en
ab
li
n
g
h
i
g
h
-
q
u
a
lit
y
s
ig
n
al
s
y
n
th
e
s
is
.
a.
P
h
ase
co
m
p
o
n
en
t r
ec
o
n
s
tr
u
c
ti
o
n
T
h
e
p
h
ase
r
ec
o
v
er
y
s
eq
u
e
n
ce
i
n
v
o
l
v
es:
1.
A
p
p
l
y
in
g
d
eq
u
an
t
izatio
n
to
t
h
e
en
co
d
ed
p
h
ase
d
if
f
er
e
n
tial b
i
ts
2.
C
o
m
p
u
tin
g
p
r
ed
ic
ted
p
h
ase
v
a
lu
es
f
r
o
m
h
is
to
r
ical
d
ata
u
s
in
g
(
2
)
3.
C
o
m
b
i
n
in
g
t
h
e
d
eq
u
an
t
ized
p
h
ase
d
if
f
er
e
n
tial
w
it
h
t
h
e
p
r
ed
icted
p
h
ase
esti
m
ate
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
C
o
s
t
-
effec
tive
lo
n
g
-
r
a
n
g
e
s
ec
u
r
e
s
p
ee
ch
co
mmu
n
ica
tio
n
s
ystem
fo
r
in
tern
et
o
f th
in
g
s
…
(
S
a
mer A
la
b
ed
)
1421
b.
Fre
q
u
en
c
y
co
m
p
o
n
e
n
t r
ec
o
n
s
t
r
u
ctio
n
T
h
e
f
r
eq
u
en
c
y
r
e
s
to
r
atio
n
f
o
ll
o
w
s
t
h
i
s
s
eq
u
e
n
ce
:
1.
C
o
n
v
er
tin
g
f
r
eq
u
en
c
y
-
en
co
d
e
d
b
in
ar
y
d
ata
i
n
to
d
ec
i
m
al
r
ep
r
esen
tatio
n
(
̂
)
2.
A
p
p
l
y
in
g
t
h
e
f
o
llo
w
i
n
g
r
elatio
n
s
h
ip
to
r
ec
o
v
er
th
e
n
o
r
m
al
ize
d
f
r
eq
u
en
c
y
v
ec
to
r
(
̂
)
f
r
o
m
(
̂
):
̂
=
ex
p
(
0
.
025
̂
)
−
1
4
(
9
)
3.
I
m
p
le
m
e
n
ti
n
g
r
o
u
n
d
i
n
g
o
n
(
̂
)
T
h
is
p
r
o
ce
s
s
em
p
lo
y
s
(
9
)
,
w
h
i
ch
f
u
n
c
tio
n
s
as
th
e
m
ath
e
m
at
ic
al
in
v
er
s
e
o
f
(
5
)
f
r
o
m
t
h
e
en
co
d
in
g
s
ta
g
e.
c.
Am
p
lit
u
d
e
d
ec
o
d
in
g
T
h
e
am
p
li
tu
d
e
r
ec
o
n
s
tr
u
ctio
n
p
r
o
ce
s
s
b
eg
in
s
b
y
tr
a
n
s
f
o
r
m
i
n
g
b
in
ar
y
p
ar
a
m
eter
s
[
b
0
,
b
1
,
…
,
b
N
-
1
]
in
to
th
eir
d
ec
i
m
al
eq
u
iv
ale
n
t
s
[
p
0
,
p
1
,
…,
p
N
-
1
]
.
T
h
ese
v
alu
e
s
u
n
d
er
g
o
f
u
r
th
er
p
r
o
ce
s
s
i
n
g
t
h
r
o
u
g
h
th
e
f
o
llo
w
i
n
g
r
elatio
n
s
h
ip
:
0
=
0
1
=
0
+
1
2
=
0
+
1
+
2
=
0
+
∑
=
1
(
1
0
)
w
h
er
e
N
r
ep
r
esen
ts
t
h
e
to
tal
p
ea
k
co
u
n
t.
T
h
o
u
g
h
th
is
tr
an
s
f
o
r
m
at
io
n
i
n
tr
o
d
u
ce
s
m
ax
i
m
u
m
er
r
o
r
w
h
e
n
n
=
0
,
th
is
d
ev
iatio
n
r
e
m
ain
s
i
n
s
i
g
n
i
f
ican
t
a
n
d
d
o
esn
’
t
m
ater
ial
l
y
i
m
p
ac
t
r
ec
o
n
s
tr
u
ctio
n
f
id
elit
y
.
T
h
e
f
in
a
l
a
m
p
l
itu
d
e
v
alu
e
s
(
y
n
)
ar
e
th
e
n
r
ec
o
v
er
ed
u
s
i
n
g
:
=
−
2
(
)
(
1
1
)
2
.
2
.
2
.
Adv
a
nta
g
es o
f
t
he
pro
po
s
ed
Sp
ee
c
h c
o
din
g
t
ec
hn
iq
ue
T
h
e
an
al
y
s
i
s
o
f
th
e
p
r
ec
e
d
in
g
m
et
h
o
d
o
lo
g
y
r
ev
ea
l
s
s
e
v
er
al
k
e
y
b
en
e
f
it
s
o
f
th
i
s
s
p
ee
c
h
en
co
d
in
g
ap
p
r
o
ac
h
:
(
i)
i
n
co
r
p
o
r
ates
h
i
g
h
l
y
e
f
f
icien
t
an
d
ef
f
ec
t
iv
e
e
n
co
d
in
g
a
n
d
d
ec
o
d
in
g
p
r
o
ce
s
s
es
,
(
ii)
d
eliv
er
s
a
r
ec
o
n
s
tr
u
cted
s
p
ee
ch
s
i
g
n
al
o
f
ex
ce
p
tio
n
al
q
u
al
it
y
at
t
h
e
r
ec
eiv
er
’
s
en
d
,
(
iii)
a
ch
iev
es
a
r
ed
u
ce
d
d
ata
r
ate,
r
an
g
i
n
g
f
r
o
m
3
.
6
to
8
k
b
p
s
,
(
iv
)
e
n
h
a
n
ce
s
th
e
q
u
ali
t
y
o
f
th
e
r
ec
o
n
s
tr
u
cted
s
i
g
n
al,
ev
e
n
in
n
o
is
y
en
v
ir
o
n
m
en
ts
,
(
v
)
f
u
n
ct
io
n
s
in
d
ep
en
d
e
n
tl
y
o
f
th
e
f
u
n
d
a
m
e
n
tal
p
itc
h
o
f
th
e
s
p
ee
ch
s
i
g
n
al
,
(
v
i)
d
e
m
o
n
s
tr
at
es
s
tr
o
n
g
r
esil
ie
n
c
e
to
n
o
is
e
i
n
ter
f
er
en
ce
,
(
v
ii)
s
i
g
n
i
f
ican
tl
y
r
ed
u
ce
s
p
o
w
er
co
n
s
u
m
p
tio
n
a
n
d
th
e
b
it r
ate
r
eq
u
ir
ed
f
o
r
tr
an
s
m
i
s
s
io
n
,
an
d
(
v
iii)
s
u
p
p
o
r
ts
th
e
in
teg
r
at
io
n
o
f
er
r
o
r
d
etec
tio
n
an
d
co
r
r
ec
tio
n
m
ec
h
a
n
is
m
s
f
o
r
en
h
an
c
ed
r
eliab
ilit
y
.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
e
i
m
p
le
m
e
n
ta
tio
n
u
tili
ze
s
MA
T
L
A
B
f
o
r
in
it
ial
s
i
g
n
al
p
r
o
ce
s
s
in
g
,
w
h
er
e
s
p
ee
ch
i
n
p
u
t
u
n
d
er
g
o
es
co
m
p
r
es
s
io
n
an
d
e
n
cr
y
p
tio
n
b
ef
o
r
e
tr
an
s
f
er
to
a
n
A
r
d
u
i
n
o
p
latf
o
r
m
.
T
h
e
A
r
d
u
in
o
i
n
ter
f
ac
es
w
it
h
a
L
o
R
a
tr
an
s
ce
i
v
er
,
w
h
ich
e
m
p
lo
y
s
C
SS
m
o
d
u
latio
n
tech
n
iq
u
es
to
f
ac
ilit
ate
ex
te
n
d
ed
-
r
a
n
g
e
s
i
g
n
al
p
r
o
p
ag
atio
n
.
T
h
e
r
ec
eiv
in
g
s
y
s
te
m
i
n
cl
u
d
es
p
ac
k
et
d
etec
tio
n
a
n
d
ac
k
n
o
w
led
g
m
en
t
p
r
o
to
co
ls
an
d
r
etu
r
n
s
ac
k
n
o
w
led
g
m
e
n
t w
h
e
n
s
u
cc
e
s
s
f
u
l.
T
h
is
t
w
o
-
w
a
y
ac
k
n
o
w
led
g
m
en
t
p
r
o
to
co
l
i
m
p
r
o
v
es
r
ec
o
n
s
tr
u
cted
s
p
ee
ch
q
u
alit
y
w
h
ile
k
ee
p
in
g
t
h
e
b
an
d
w
id
t
h
at
o
r
b
elo
w
8
k
b
p
s
.
T
h
e
L
o
R
a
p
r
o
to
co
l
is
ca
p
ab
le
o
f
tr
a
n
s
m
is
s
io
n
r
ates u
p
to
2
2
k
b
p
s
.
I
n
o
u
r
n
ee
d
s
,
2
2
k
b
p
s
s
h
o
u
ld
b
e
m
o
r
e
th
a
n
s
u
f
f
icie
n
t.
Ho
w
ev
er
,
t
h
e
s
y
s
te
m
u
s
es
th
e
p
r
i
n
cip
le
o
f
d
is
tan
ce
an
d
tr
ad
eo
f
f
s
b
y
b
ein
g
ab
le
to
u
s
e
lo
w
tr
a
n
s
m
i
s
s
io
n
s
p
ee
d
s
t
h
at
al
lo
w
s
f
o
r
b
etter
co
m
m
u
n
icatio
n
d
is
ta
n
ce
s
.
T
h
e
li
m
ita
tio
n
s
o
f
d
ata
r
ates
m
a
x
i
m
ize
p
er
f
o
r
m
a
n
ce
b
ased
o
n
v
ar
y
in
g
r
ec
eiv
i
n
g
an
d
m
a
x
tr
an
s
m
i
s
s
io
n
s
p
ee
d
s
b
ased
o
n
ad
j
u
s
tab
le
s
p
r
ea
d
in
g
f
ac
to
r
s
(
S
F)
a
n
d
b
an
d
w
id
th
.
T
h
e
i
n
cr
ea
s
ed
SF
f
o
r
ex
a
m
p
le
allo
w
s
f
o
r
b
etter
d
is
t
an
c
es,
b
u
t
g
i
v
es
u
p
tr
an
s
m
is
s
io
n
d
ata
tr
an
s
f
er
co
m
p
letel
y
.
W
h
er
ea
s
w
id
er
b
an
d
w
id
th
ca
n
in
cr
ea
s
e
tr
an
s
m
i
s
s
io
n
d
ata
b
u
t
g
iv
e
u
p
o
n
r
an
g
e.
T
h
e
m
a
in
g
o
al
o
f
th
e
s
y
s
te
m
is
to
k
ee
p
s
p
ee
ch
tr
an
s
m
is
s
io
n
r
ate
b
elo
w
th
e
2
2
k
b
p
s
r
ate,
s
o
th
e
m
a
x
d
is
tan
ce
ca
n
b
e
ac
h
iev
ed
.
T
h
e
s
y
s
te
m
w
ill
u
s
e
a
L
o
R
a
b
a
s
ed
SF
to
i
n
cr
ea
s
e
tr
a
n
s
m
i
s
s
io
n
r
an
g
e,
e
s
p
ec
iall
y
w
h
e
n
u
s
i
n
g
e
m
er
g
en
c
y
co
n
tact
s
y
s
te
m
s
w
h
er
e
it is
i
m
p
o
r
tan
t to
en
s
u
r
e
lo
n
g
d
is
ta
n
ce
an
d
r
eliab
ili
t
y
.
3
.
1
.
Sy
s
t
em
b
lo
c
k
d
i
a
g
ra
m
T
h
e
b
lo
ck
d
iag
r
a
m
s
p
r
ese
n
ted
in
Fi
g
u
r
e
3
illu
s
tr
ate
th
e
s
etu
p
w
h
er
e
t
h
e
m
icr
o
co
n
tr
o
ller
is
in
ter
f
ac
e
d
w
it
h
b
o
th
M
A
T
L
A
B
an
d
th
e
L
o
R
a
m
o
d
u
le.
T
h
e
co
n
f
i
g
u
r
ati
o
n
o
n
th
e
tr
an
s
m
itter
s
id
e
is
id
en
tical
to
th
at
o
f
th
e
r
ec
eiv
er
.
W
h
ile
th
e
tr
a
n
s
m
it
ter
an
d
r
ec
eiv
er
s
h
ar
e
s
i
m
ilar
co
d
e
s
tr
u
ctu
r
e
s
,
th
eir
f
u
n
ctio
n
ali
ties
ar
e
d
is
ti
n
ct:
t
h
e
tr
an
s
m
itter
as
s
h
o
w
n
in
F
ig
u
r
e
3
(
a)
is
r
esp
o
n
s
ib
le
f
o
r
s
en
d
in
g
an
d
an
al
y
zi
n
g
th
e
d
ata,
w
h
e
r
ea
s
th
e
r
ec
eiv
er
as
s
h
o
w
n
in
F
ig
u
r
e
3
(
b
)
f
o
cu
s
es
o
n
r
ec
eiv
i
n
g
a
n
d
s
y
n
t
h
esiz
in
g
th
e
co
m
m
u
n
ica
ted
in
f
o
r
m
atio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
5
,
Octo
b
e
r
20
25
:
1
4
1
5
-
1
426
1422
(
a)
(
b
)
Fig
u
r
e
3
.
S
y
s
te
m
b
lo
ck
d
iag
r
a
m
:
(
a)
tr
an
s
m
itter
a
n
d
(
b
)
r
ec
e
iv
er
3
.
2
.
P
rint
ed
circ
uit
bo
a
rd
Fo
llo
w
i
n
g
th
e
p
r
o
to
ty
p
e
p
h
ase
o
n
b
r
ea
d
b
o
ar
d
,
d
ev
elo
p
m
e
n
t p
r
o
g
r
ess
es
to
p
r
in
ted
cir
cu
it
b
o
ar
d
(
P
C
B
)
f
ab
r
icatio
n
f
o
r
an
i
n
d
iv
id
u
al
L
o
R
a
tr
an
s
ce
i
v
er
u
n
it,
d
ep
icted
in
Fig
u
r
e
4
.
T
h
e
im
p
le
m
en
tatio
n
o
f
MI
MO
ca
p
ab
ilit
ies
w
o
u
ld
n
ec
ess
ita
te
an
alter
n
ate
b
o
ar
d
d
esig
n
.
T
h
e
P
C
B
lay
o
u
t
ill
u
s
tr
ated
in
Fi
g
u
r
e
4
d
ep
icts
a
s
in
g
l
e
m
o
d
u
le
co
n
f
i
g
u
r
atio
n
,
f
ea
t
u
r
in
g
in
te
g
r
ated
g
r
o
u
n
d
co
n
n
ec
ti
v
i
t
y
an
d
d
esi
g
n
ated
co
n
n
ec
tio
n
p
o
in
ts
f
o
r
ea
ch
p
in
.
E
ac
h
co
n
n
ec
tio
n
p
o
in
t
i
n
co
r
p
o
r
ates
a
co
p
p
er
p
ath
w
a
y
te
r
m
in
a
tin
g
i
n
a
t
h
r
o
u
g
h
-
h
o
le,
en
ab
lin
g
v
er
s
ati
le
co
n
n
ec
ti
v
it
y
o
p
tio
n
s
v
ia
m
ale
o
r
f
e
m
ale
co
n
n
ec
to
r
s
.
T
h
e
co
m
p
lete
s
y
s
te
m
ar
ch
itec
tu
r
e
f
o
r
MA
T
L
A
B
-
A
r
d
u
in
o
co
m
m
u
n
icatio
n
is
d
o
cu
m
e
n
t
ed
in
Fi
g
u
r
es
5
a
n
d
6
,
w
h
i
ch
d
etail
t
h
e
tr
a
n
s
m
itter
a
n
d
r
ec
eiv
er
cir
cu
itr
y
r
esp
ec
tiv
el
y
.
Fig
u
r
e
4
.
Sin
g
le
L
o
R
a
P
C
B
m
o
d
u
le
Fig
u
r
e
5
.
C
o
m
p
lete
s
y
s
te
m
ar
c
h
itect
u
r
e
f
o
r
tr
an
s
m
i
tter
Fig
u
r
e
6
.
C
o
m
p
lete
s
y
s
te
m
ar
c
h
itect
u
r
e
f
o
r
r
ec
eiv
er
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
C
o
s
t
-
effec
tive
lo
n
g
-
r
a
n
g
e
s
ec
u
r
e
s
p
ee
ch
co
mmu
n
ica
tio
n
s
ystem
fo
r
in
tern
et
o
f th
in
g
s
…
(
S
a
mer A
la
b
ed
)
1423
3
.
3
.
E
ncry
ptio
n
T
h
e
c
o
d
i
n
g
m
et
h
o
d
o
l
o
g
y
o
u
tl
i
n
e
d
i
n
Se
c
t
i
o
n
2
a
c
h
i
ev
e
d
e
f
f
i
ci
en
t
d
a
t
a
r
a
t
e
r
e
d
u
c
ti
o
n
,
o
p
t
im
i
z
in
g
t
r
a
n
s
m
is
s
i
o
n
r
e
q
u
i
r
em
en
t
s
.
T
h
e
s
y
s
tem
p
r
o
c
e
s
s
e
s
d
at
a
in
1
2
8
-
b
i
t
p
a
c
k
e
t
s
t
r
u
c
tu
r
es
,
w
it
h
a
n
ex
am
p
l
e
m
ess
ag
e
m
:
=
1
0
1
0
0
1
1
1
0
0
1
1
0
1
0
1
1
1
0
1
0
0
1
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
0
1
0
1
1
1
0
1
1
1
1
1
0
0
0
0
0
1
1
1
0
0
1
1
1
0
0
1
1
0
1
0
1
1
0
0
1
1
0
1
0
0
1
0
1
0
1
1
1
1
1
0
0
0
0
1
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
1
0
1
0
1
1
1
0
1
(
1
2
)
Usi
n
g
t
h
e
en
cr
y
p
t
io
n
k
e
y
k
:
=
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
1
0
1
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
1
1
1
1
0
1
0
1
0
1
0
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
0
0
(
1
3
)
T
h
e
en
cr
y
p
tio
n
p
r
o
ce
s
s
co
m
b
i
n
es
m
an
d
k
t
h
r
o
u
g
h
XOR o
p
er
atio
n
s
,
p
r
o
d
u
cin
g
t
h
e
e
n
cr
y
p
t
ed
o
u
tp
u
t
y
:
=
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
0
1
1
0
0
0
0
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
0
1
0
1
1
0
0
1
1
1
1
1
0
1
1
0
1
1
1
1
0
1
1
1
0
1
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
(
1
4
)
A
t
t
h
e
r
ec
eiv
i
n
g
en
d
,
ap
p
ly
in
g
th
e
s
a
m
e
k
e
y
k
f
r
o
m
(
1
3
)
to
th
e
en
cr
y
p
ted
m
es
s
a
g
e
y
f
r
o
m
(
1
4
)
v
ia
XOR o
p
er
atio
n
s
r
ec
o
v
er
s
t
h
e
o
r
ig
in
al
m
es
s
ag
e
:
m
=
1
0
1
0
0
1
1
1
0
0
1
1
0
1
0
1
1
1
0
1
0
0
1
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
0
1
0
1
1
1
0
1
1
1
1
1
0
0
0
0
0
1
1
1
0
0
1
1
1
0
0
1
1
0
1
0
1
1
0
0
1
1
0
1
0
0
1
0
1
0
1
1
1
1
1
0
0
0
0
1
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
1
0
1
0
1
1
1
0
1
(
1
5
)
I
n
th
i
s
s
y
s
te
m
,
m
r
ep
r
esen
t
s
th
e
in
itial
m
es
s
ag
e,
k
d
en
o
te
s
th
e
s
h
ar
ed
cr
y
p
to
g
r
ap
h
ic
k
e
y
,
an
d
⊕
s
y
m
b
o
lizes
t
h
e
XOR
o
p
er
atio
n
.
T
h
e
s
y
m
m
etr
ical
n
at
u
r
e
o
f
th
e
XO
R
o
p
er
atio
n
,
co
m
b
in
ed
w
it
h
k
e
y
r
e
u
s
e
f
o
r
en
cr
y
p
tio
n
an
d
d
ec
r
y
p
tio
n
,
e
n
s
u
r
es sec
u
r
e
an
d
ac
cu
r
ate
m
es
s
a
g
e
r
ec
o
v
er
y
at
th
e
r
ec
eiv
er
.
3
.
4
.
I
m
ple
m
e
nta
t
io
n
E
m
p
lo
y
i
n
g
L
o
R
a
f
o
r
v
o
ice
c
o
m
m
u
n
icatio
n
i
s
a
n
o
v
el
ap
p
r
o
ac
h
to
u
tili
zin
g
t
h
e
tech
n
o
lo
g
y
b
e
y
o
n
d
s
en
s
o
r
d
ata
ap
p
licatio
n
s
.
T
h
e
s
y
s
te
m
m
it
ig
ate
s
b
an
d
w
id
t
h
u
s
ag
e
t
h
r
o
u
g
h
ad
v
an
ce
d
co
d
i
n
g
m
et
h
o
d
s
f
o
r
s
p
ee
ch
.
T
h
e
s
y
s
te
m
ar
ch
i
tectu
r
e
s
tar
ts
w
it
h
M
A
T
L
A
B
f
o
r
s
ig
n
a
l
p
r
o
ce
s
s
i
n
g
t
h
at
in
cl
u
d
es
en
cr
y
p
ti
o
n
an
d
c
o
m
p
r
ess
io
n
s
tag
e
s
p
r
io
r
t
o
A
r
d
u
in
o
i
m
p
le
m
en
tatio
n
.
T
h
e
ar
ch
itectu
r
e
d
iv
id
es
th
e
ca
p
tu
r
ed
p
r
o
ce
s
s
ed
d
ata
in
to
p
ac
k
ets
u
s
i
n
g
L
o
R
a
h
ar
d
w
ar
e,
w
h
ic
h
w
it
h
C
SS
m
o
d
u
lat
io
n
f
o
r
d
ata
tr
an
s
m
is
s
io
n
.
T
h
e
r
ec
eiv
er
ar
ch
itectu
r
e
in
clu
d
es
a
m
et
h
o
d
f
o
r
p
ac
k
et
d
etec
tio
n
a
n
d
ac
k
n
o
w
led
g
m
e
n
t
to
i
n
d
icate
r
ec
eip
t
o
f
th
e
p
ac
k
et
s
,
f
o
llo
w
i
n
g
o
n
w
it
h
t
h
e
A
r
d
u
i
n
o
i
m
p
le
m
en
t
in
g
p
r
o
ce
s
s
in
g
to
r
e
v
er
s
e
th
e
o
r
ig
in
a
l
s
ig
n
al
au
d
io
w
a
v
e
f
o
r
m
.
A
P
C
B
w
as
d
ev
elo
p
ed
to
d
em
o
n
s
tr
ate
th
e
o
p
ti
m
iza
tio
n
o
f
th
e
s
y
s
te
m
,
co
n
cl
u
d
in
g
t
h
at
L
o
R
a
v
ia
b
ilit
y
f
o
r
v
o
ice
tr
an
s
m
is
s
io
n
h
as
m
er
it
i
n
v
o
ice
ap
p
licatio
n
s
.
T
h
e
tr
an
s
m
is
s
io
n
ar
ch
itect
u
r
e
d
is
c
u
s
s
ed
i
n
s
e
ctio
n
2
co
n
s
is
ts
o
f
m
u
ltip
le
p
r
o
ce
s
s
in
g
s
ta
g
e
s
th
a
t
co
n
v
er
t
ac
o
u
s
tic
s
i
g
n
als
in
to
en
cr
y
p
ted
b
in
ar
y
s
tr
ea
m
s
.
T
h
e
d
is
cu
s
s
ed
M
A
T
L
A
B
en
v
ir
o
n
m
e
n
t
p
r
o
v
id
ed
th
e
co
n
n
ec
t
io
n
to
ac
q
u
ir
e
an
d
p
r
o
ce
s
s
th
e
s
i
g
n
al
s
w
ith
o
u
t
h
ar
d
w
ar
e
ad
ap
tatio
n
.
I
n
itial
d
ev
elo
p
m
e
n
t
s
tep
s
w
er
e
to
d
eter
m
in
e
t
h
e
lev
el
o
f
b
its
n
e
ed
ed
f
o
r
tw
o
-
w
a
y
co
m
m
u
n
ic
atio
n
.
T
h
e
s
y
s
te
m
b
a
s
ic
v
o
ice
s
ig
n
als
b
an
d
w
id
t
h
r
eq
u
ir
es
co
m
p
r
ess
io
n
alg
o
r
it
h
m
s
a
s
s
h
o
w
n
i
n
Sect
io
n
2
to
en
s
u
r
e
s
i
g
n
a
ls
ca
n
b
e
tr
an
s
m
itte
d
an
d
r
ec
o
n
s
tr
u
cted
.
T
h
is
r
esear
ch
o
v
er
lap
s
w
i
th
e
f
f
o
r
ts
in
L
o
R
a
a
llia
n
ce
an
d
I
o
T
.
T
h
e
p
r
im
ar
y
ai
m
o
f
th
e
p
r
o
j
ec
t
is
to
d
ev
elo
p
a
r
eliab
le,
ad
ap
tiv
e
s
p
ee
ch
co
d
in
g
a
n
d
s
ec
u
r
e
cr
y
p
to
g
r
ap
h
ic
p
r
o
to
co
ls
f
o
r
th
e
tr
a
n
s
m
i
s
s
io
n
o
f
v
o
ice
o
v
er
L
o
R
a.
I
m
p
le
m
e
n
tatio
n
w
a
s
u
n
d
er
ta
k
en
to
p
r
o
m
o
te
r
eliab
ilit
y
,
s
ec
u
r
i
t
y
,
an
d
ac
ce
s
s
w
it
h
in
t
h
e
I
o
T
en
v
ir
o
n
m
e
n
t
b
y
d
ec
r
ea
s
in
g
th
e
d
ata
r
ate
an
d
en
cr
y
p
tin
g
th
e
d
ata.
T
h
e
m
ai
n
g
o
al
o
f
a
L
o
R
a
s
y
s
te
m
s
w
a
s
f
o
cu
s
ed
o
n
b
ein
g
co
s
t
-
e
f
f
ec
tiv
e
an
d
u
ti
li
z
in
g
r
eso
u
r
ce
s
e
f
f
ec
tiv
el
y
,
d
e
m
o
n
s
tr
ated
th
r
o
u
g
h
t
h
e
e
x
p
er
im
en
ts
.
T
h
ese
f
o
r
m
s
o
f
in
n
o
v
atio
n
s
w
ill
allo
w
t
h
e
ca
p
ab
ilit
ies
o
f
L
o
R
a
n
et
w
o
r
k
s
to
b
e
em
p
lo
y
ed
in
to
a
r
a
n
g
e
o
f
ap
p
licatio
n
s
in
cl
u
d
in
g
m
u
n
icip
al
i
n
f
r
a
s
tr
u
c
tu
r
e,
en
v
ir
o
n
m
en
ta
l se
n
s
o
r
s
y
s
te
m
s
a
n
d
h
ea
lt
h
c
ar
e
s
y
s
te
m
s
.
4.
CO
NCLU
SI
O
N
T
h
e
s
y
s
te
m
ar
ch
itec
tu
r
e
p
r
es
en
ts
a
n
e
w
m
et
h
o
d
f
o
r
s
a
f
e
an
d
al
s
o
lo
w
-
co
s
t
lo
n
g
-
d
is
t
an
ce
v
o
ice
co
m
m
u
n
icatio
n
an
d
is
d
esig
n
ed
f
o
r
th
e
I
o
T
ec
o
s
y
s
te
m
.
I
t
lev
er
ag
es
t
h
e
C
SS
m
o
d
u
latio
n
tech
n
iq
u
e
o
f
L
o
R
a
tech
n
o
lo
g
y
,
w
h
ic
h
i
s
w
ell
k
n
o
w
n
f
o
r
it
s
s
tan
d
ar
d
p
er
f
o
r
m
a
n
ce
i
n
m
ax
i
m
iz
in
g
d
is
tan
ce
with
p
o
w
er
.
L
o
R
a
is
li
m
ited
i
n
b
an
d
w
id
th
a
n
d
th
r
o
u
g
h
p
u
t
is
li
m
ited
to
a
f
e
w
k
ilo
b
it
s
p
er
s
ec
o
n
d
.
T
h
e
s
y
s
te
m
ar
c
h
it
ec
tu
r
e
i
m
p
le
m
e
n
ts
s
p
ee
ch
en
co
d
i
n
g
al
g
o
r
ith
m
s
as
p
ar
t
o
f
th
e
v
o
ice
en
co
d
in
g
p
r
o
ce
s
s
to
m
in
i
m
ize
th
e
b
a
n
d
w
id
th
n
ee
d
ed
f
o
r
v
o
ice
d
ata
to
ac
co
m
m
o
d
ate
t
h
e
l
o
w
er
d
ata
tr
an
s
m
is
s
io
n
r
ate
s
ass
o
ciate
d
w
it
h
L
o
R
a.
T
h
e
s
ec
u
r
ed
v
o
ice
co
m
m
u
n
icatio
n
s
m
ad
e
p
o
s
s
ib
l
e
b
y
th
e
s
y
s
te
m
ar
ch
itect
u
r
e
f
all
u
n
d
er
a
f
r
a
m
e
w
o
r
k
o
f
in
te
g
r
ated
en
cr
y
p
tio
n
-
d
ec
r
y
p
tio
n
s
ec
u
r
it
y
f
o
r
s
af
e
g
u
ar
d
in
g
t
h
e
co
n
te
n
ts
o
f
t
h
e
tr
an
s
m
i
s
s
io
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
5
,
Octo
b
e
r
20
25
:
1
4
1
5
-
1
426
1424
ACK
NO
WL
E
D
G
M
E
NT
S
T
h
e
au
th
o
r
s
w
o
u
ld
li
k
e
to
ex
p
r
ess
th
eir
g
r
atit
u
d
e
to
th
e
Ger
m
an
J
o
r
d
an
ian
Un
i
v
er
s
it
y
,
th
e
Am
er
ica
n
Un
i
v
er
s
it
y
o
f
t
h
e
Mid
d
le
E
ast,
an
d
A
eo
n
Me
d
ical
Su
p
p
lies
C
o
m
p
a
n
y
f
o
r
th
eir
g
en
er
o
u
s
s
u
p
p
o
r
t o
f
th
is
w
o
r
k
.
F
UNDIN
G
I
NF
O
RM
AT
I
O
N
T
h
is
w
o
r
k
w
as
f
u
n
d
ed
b
y
Seed
Gr
an
t
n
u
m
b
er
S
A
M
S
0
3
/2
0
2
3
f
r
o
m
t
h
e
Ger
m
a
n
J
o
r
d
an
ian
U
n
iv
er
s
it
y
,
u
n
d
er
d
ec
is
io
n
n
u
m
b
er
2
0
2
3
/1
5
/3
4
4
.
A
d
d
itio
n
al
s
u
p
p
o
r
t
w
a
s
p
r
o
v
id
ed
b
y
a
g
r
an
t
f
r
o
m
A
eo
n
Me
d
ical
Su
p
p
lies
C
o
m
p
an
y
,
b
y
t
h
e
Am
er
ican
Un
i
v
er
s
it
y
o
f
t
h
e
Mid
d
le
E
as
t,
an
d
b
y
th
e
Sc
ien
t
if
ic
R
esea
r
ch
an
d
I
n
n
o
v
atio
n
Su
p
p
o
r
t
Fu
n
d
(
S
R
I
SF
)
,
J
o
r
d
an
,
u
n
d
er
p
r
o
j
ec
t
n
u
m
b
er
SE
-
MP
H/4
/2
0
2
4
.
T
h
e
au
th
o
r
s
e
x
p
r
ess
th
eir
g
r
atit
u
d
e
f
o
r
th
ese
g
en
er
o
u
s
s
u
p
p
o
r
ts
.
AUTHO
R
CO
NT
RIB
UT
I
O
N
S ST
A
T
E
M
E
NT
T
h
is
jo
u
r
n
al
u
s
e
s
th
e
C
o
n
tr
ib
u
to
r
R
o
les
T
ax
o
n
o
m
y
(
C
R
ed
iT
)
t
o
r
ec
o
g
n
ize
in
d
i
v
id
u
al
au
t
h
o
r
co
n
tr
ib
u
tio
n
s
,
r
e
d
u
ce
au
t
h
o
r
s
h
ip
d
is
p
u
tes,
an
d
f
ac
ilit
ate
co
lla
b
o
r
atio
n
.
Na
m
e
o
f
Aut
ho
r
C
M
So
Va
Fo
I
R
D
O
E
Vi
Su
P
Fu
Sa
m
er
A
lab
ed
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Mo
h
a
m
m
ad
A
l
-
R
ab
a
y
ah
✓
✓
✓
✓
✓
✓
✓
B
ah
aa
A
l
-
Sh
ei
k
h
✓
✓
✓
✓
✓
✓
L
a
m
a
B
o
u
Far
ah
✓
✓
✓
✓
✓
✓
C
:
C
o
n
c
e
p
t
u
a
l
i
z
a
t
i
o
n
M
:
M
e
t
h
o
d
o
l
o
g
y
So
:
So
f
t
w
a
r
e
Va
:
Va
l
i
d
a
t
i
o
n
Fo
:
Fo
r
mal
a
n
a
l
y
si
s
I
:
I
n
v
e
st
i
g
a
t
i
o
n
R
:
R
e
so
u
r
c
e
s
D
:
D
a
t
a
C
u
r
a
t
i
o
n
O
:
W
r
i
t
i
n
g
-
O
r
i
g
i
n
a
l
D
r
a
f
t
E
:
W
r
i
t
i
n
g
-
R
e
v
i
e
w
&
E
d
i
t
i
n
g
Vi
:
Vi
su
a
l
i
z
a
t
i
o
n
Su
:
Su
p
e
r
v
i
si
o
n
P
:
P
r
o
j
e
c
t
a
d
mi
n
i
st
r
a
t
i
o
n
Fu
:
Fu
n
d
i
n
g
a
c
q
u
i
si
t
i
o
n
CO
NF
L
I
C
T
O
F
I
N
T
E
R
E
S
T
ST
A
T
E
M
E
NT
T
h
e
au
th
o
r
s
s
tate
n
o
co
n
f
lict o
f
in
ter
est.
DATA AV
AI
L
AB
I
L
I
T
Y
Data
av
ailab
ilit
y
is
n
o
t a
p
p
licab
le
to
th
is
p
ap
er
as n
o
n
e
w
d
at
a
w
er
e
cr
ea
ted
o
r
an
al
y
ze
d
in
t
h
is
s
tu
d
y
.
RE
F
E
R
E
NC
E
S
[
1
]
G
.
E.
Jo
h
n
,
“
A
l
o
w
c
o
st
w
i
r
e
l
e
ss
se
n
so
r
n
e
t
w
o
r
k
f
o
r
p
r
e
c
i
s
i
o
n
a
g
r
i
c
u
l
t
u
r
e
,
”
i
n
2
0
1
6
S
i
x
t
h
I
n
t
e
rn
a
t
i
o
n
a
l
S
y
m
p
o
s
i
u
m
o
n
Em
b
e
d
d
e
d
C
o
m
p
u
t
i
n
g
a
n
d
S
y
s
t
e
m
D
e
si
g
n
(
I
S
ED
)
,
D
e
c
.
2
0
1
6
,
p
p
.
2
4
–
27
,
d
o
i
:
1
0
.
1
1
0
9
/
I
S
ED
.
2
0
1
6
.
7
9
7
7
0
4
8
.
[
2
]
F
.
E.
M
.
C
o
v
e
n
a
s,
R
.
P
a
l
o
mare
s,
M
.
A
.
M
i
l
l
a
,
J.
V
e
r
a
st
e
g
u
i
,
a
n
d
J.
C
o
r
n
e
j
o
,
“
D
e
si
g
n
a
n
d
d
e
v
e
l
o
p
me
n
t
o
f
a
l
o
w
-
c
o
st
w
i
r
e
l
e
ss
n
e
t
w
o
r
k
u
si
n
g
I
o
T
t
e
c
h
n
o
l
o
g
i
e
s
f
o
r
a
M
u
d
sl
i
d
e
s
mo
n
i
t
o
r
i
n
g
sy
st
e
m,”
i
n
2
0
2
1
I
EE
E
U
RU
C
O
N
,
N
o
v
.
2
0
2
1
,
p
p
.
1
7
2
–
1
7
6
,
d
o
i
:
1
0
.
1
1
0
9
/
U
R
U
C
O
N
5
3
3
9
6
.
2
0
2
1
.
9
6
4
7
3
7
9
.
[
3
]
D
.
T
a
l
e
b
,
S
.
A
l
a
b
e
d
,
a
n
d
M
.
P
e
sav
e
n
t
o
,
“
O
p
t
i
m
a
l
g
e
n
e
r
a
l
-
r
a
n
k
t
r
a
n
smi
t
b
e
a
mf
o
r
mi
n
g
t
e
c
h
n
i
q
u
e
f
o
r
si
n
g
l
e
-
g
r
o
u
p
m
u
l
t
i
c
a
s
t
i
n
g
se
r
v
i
c
e
i
n
mo
d
e
r
n
w
i
r
e
l
e
ss
n
e
t
w
o
r
k
s u
si
n
g
S
T
T
C
,
”
i
n
W
S
A
2
0
1
5
;
1
9
t
h
I
n
t
e
rn
a
t
i
o
n
a
l
I
T
G
W
o
rks
h
o
p
o
n
S
m
a
rt
A
n
t
e
n
n
a
s
,
2
0
1
5
,
p
p
.
1
–
7.
[
4
]
M
.
E.
I
.
b
i
n
E
d
i
,
N
.
E
.
A
b
d
R
a
s
h
i
d
,
N
.
N
.
I
smai
l
,
a
n
d
K
.
C
e
n
g
i
z
,
“
L
o
w
-
c
o
st
,
l
o
n
g
-
r
a
n
g
e
u
n
m
a
n
n
e
d
a
e
r
i
a
l
v
e
h
i
c
l
e
(
U
A
V
)
d
a
t
a
l
o
g
g
e
r
u
si
n
g
l
o
n
g
r
a
n
g
e
(
L
o
R
a
)
mo
d
u
l
e
,
”
i
n
2
0
2
2
I
EEE
S
y
m
p
o
si
u
m
o
n
W
i
re
l
e
ss
T
e
c
h
n
o
l
o
g
y
&
Ap
p
l
i
c
a
t
i
o
n
s
(
I
S
WTA)
,
A
u
g
.
2
0
2
2
,
p
p
.
1
–
7
,
d
o
i
:
1
0
.
1
1
0
9
/
I
S
W
TA
5
5
3
1
3
.
2
0
2
2
.
9
9
4
2
7
5
1
.
[
5
]
W
.
S
a
n
-
U
m,
P
.
L
e
k
b
u
n
y
a
si
n
,
M
.
K
o
d
y
o
o
,
W
.
W
o
n
g
su
w
a
n
,
J.
M
a
k
f
a
k
,
a
n
d
J
.
K
e
r
d
sr
i
,
“
A
l
o
n
g
-
r
a
n
g
e
l
o
w
-
p
o
w
e
r
w
i
r
e
l
e
ss
se
n
so
r
n
e
t
w
o
r
k
b
a
se
d
o
n
U
-
L
o
R
a
t
e
c
h
n
o
l
o
g
y
f
o
r
t
a
c
t
i
c
a
l
t
r
o
o
p
s
t
r
a
c
k
i
n
g
sy
st
e
ms,”
i
n
20
1
7
T
h
i
r
d
Asi
a
n
C
o
n
f
e
re
n
c
e
o
n
D
e
f
e
n
c
e
T
e
c
h
n
o
l
o
g
y
(
AC
D
T
)
,
Ja
n
.
2
0
1
7
,
p
p
.
3
2
–
35
,
d
o
i
:
1
0
.
1
1
0
9
/
A
C
D
T
.
2
0
1
7
.
7
8
8
6
1
5
2
.
[
6
]
S
.
A
l
a
b
e
d
,
“
P
e
r
f
o
r
man
c
e
a
n
a
l
y
si
s
o
f
t
w
o
-
w
a
y
D
F
r
e
l
a
y
se
l
e
c
t
i
o
n
t
e
c
h
n
i
q
u
e
s,”
I
C
T
Ex
p
ress
,
v
o
l
.
2
,
n
o
.
3
,
p
p
.
9
1
–
9
5
,
S
e
p
.
2
0
1
6
,
d
o
i
:
1
0
.
1
0
1
6
/
j
.
i
c
t
e
.
2
0
1
6
.
0
8
.
0
0
8
.
[
7
]
S
.
A
l
a
b
e
d
,
“
P
e
r
f
o
r
man
c
e
a
n
a
l
y
si
s
o
f
b
i
-
d
i
r
e
c
t
i
o
n
a
l
r
e
l
a
y
sel
e
c
t
i
o
n
s
t
r
a
t
e
g
y
f
o
r
w
i
r
e
l
e
ss
c
o
o
p
e
r
a
t
i
v
e
c
o
mm
u
n
i
c
a
t
i
o
n
s,
”
EU
R
AS
I
P
J
o
u
rn
a
l
o
n
W
i
rel
e
ss
C
o
m
m
u
n
i
c
a
t
i
o
n
s
a
n
d
N
e
t
w
o
rk
i
n
g
,
v
o
l
.
2
0
1
9
,
n
o
.
1
,
D
e
c
.
2
0
1
9
,
d
o
i
:
1
0
.
1
1
8
6
/
s
1
3
6
3
8
-
019
-
1
4
1
7
-
1.
[
8
]
P
.
L
u
,
“
D
e
si
g
n
a
n
d
i
mp
l
e
me
n
t
a
t
i
o
n
o
f
c
o
a
l
mi
n
e
w
i
r
e
l
e
ss
se
n
so
r
A
d
H
o
c
n
e
t
w
o
r
k
b
a
se
d
o
n
L
o
R
a
,
”
i
n
2
0
2
2
3
rd
I
n
t
e
r
n
a
t
i
o
n
a
l
C
o
n
f
e
re
n
c
e
o
n
I
n
f
o
rm
a
t
i
o
n
S
c
i
e
n
c
e
,
P
a
ra
l
l
e
l
a
n
d
D
i
st
r
i
b
u
t
e
d
S
y
s
t
e
m
s
(
I
S
PD
S
)
,
J
u
l
.
2
0
2
2
,
p
p
.
5
4
–
57
,
d
o
i
:
1
0
.
1
1
0
9
/
I
S
P
D
S
5
6
3
6
0
.
2
0
2
2
.
9
8
7
4
1
2
4
.
[
9
]
S
.
M
i
s
h
r
a
,
S
.
N
a
y
a
k
,
a
n
d
R
.
Y
a
d
a
v
,
“
A
n
e
n
e
r
g
y
e
f
i
c
i
e
n
t
L
o
R
a
-
b
a
se
d
m
u
l
t
i
-
se
n
so
r
I
o
T
n
e
t
w
o
r
k
f
o
r
smar
t
se
n
so
r
a
g
r
i
c
u
l
t
u
r
e
s
y
st
e
m,”
i
n
2
0
2
3
I
E
EE
T
o
p
i
c
a
l
C
o
n
f
e
r
e
n
c
e
o
n
Wi
r
e
l
e
ss
S
e
n
s
o
rs
a
n
d
S
e
n
so
r
N
e
t
w
o
rks
,
J
a
n
.
2
0
2
3
,
p
p
.
2
8
–
31
,
d
o
i
:
1
0
.
1
1
0
9
/
W
i
S
N
e
T
5
6
9
5
9
.
2
0
2
3
.
1
0
0
4
6
2
4
2
.
[
1
0
]
A
.
I
.
A
l
i
,
S
.
Z
.
P
a
r
t
a
l
,
S
.
K
e
p
k
e
,
a
n
d
H
.
P
.
P
a
r
t
a
l
,
“
Z
i
g
B
e
e
a
n
d
L
o
R
a
b
a
se
d
w
i
r
e
l
e
ss
se
n
so
r
s
f
o
r
smar
t
e
n
v
i
r
o
n
me
n
t
a
n
d
I
o
T
Evaluation Warning : The document was created with Spire.PDF for Python.