I
nte
rna
t
io
na
l J
o
urna
l o
f
Rec
o
nfig
ura
ble a
nd
E
m
be
dd
e
d Sy
s
t
e
m
s
(
I
J
R
E
S)
Vo
l.
14
,
No
.
1
,
Ma
r
ch
20
25
,
p
p
.
1
6
5
~
1
7
5
I
SS
N:
2089
-
4864
,
DOI
:
1
0
.
1
1
5
9
1
/i
j
r
es
.
v
1
4
.
i
1
.
p
p
1
6
5
-
175
165
J
o
ur
na
l
ho
m
ep
a
g
e
:
h
ttp
:
//ij
r
es.ia
esco
r
e.
co
m
Co
m
pa
ra
tive
a
na
ly
sis
of
Z
ig
Bee
,
L
o
Ra
,
a
nd NB
-
Io
T
in
a
s
m
a
r
t
building: adv
a
nta
g
es,
li
m
itations,
and int
egra
tion
poss
ibilit
ies
T
a
na
k
o
rn
I
ntha
s
uth
1
,
Yo
ng
y
ut
K
a
e
w
j
u
m
ra
s
2
,
Sa
ha
po
ng
So
m
w
o
ng
1
,
Wa
s
a
na
B
o
o
ns
o
ng
3
1
D
e
p
a
r
t
me
n
t
o
f
El
e
c
t
r
i
c
a
l
En
g
i
n
e
e
r
i
n
g
,
F
a
c
u
l
t
y
o
f
En
g
i
n
e
e
r
i
n
g
,
R
a
j
a
ma
n
g
a
l
a
U
n
i
v
e
r
si
t
y
o
f
Te
c
h
n
o
l
o
g
y
S
r
i
v
i
j
a
y
a
,
S
o
n
g
k
h
l
a
,
T
h
a
i
l
a
n
d
2
D
e
p
a
r
t
me
n
t
o
f
M
e
c
h
a
n
i
c
a
l
E
n
g
i
n
e
e
r
i
n
g
,
F
a
c
u
l
t
y
o
f
En
g
i
n
e
e
r
i
n
g
,
R
a
j
a
ma
n
g
a
l
a
U
n
i
v
e
r
si
t
y
o
f
Te
c
h
n
o
l
o
g
y
S
r
i
v
i
j
a
y
a
,
S
o
n
g
k
h
l
a
,
T
h
a
i
l
a
nd
3
D
e
p
a
r
t
me
n
t
o
f
El
e
c
t
r
i
c
a
l
Ed
u
c
a
t
i
o
n
,
F
a
c
u
l
t
y
o
f
I
n
d
u
st
r
i
a
l
E
d
u
c
a
t
i
o
n
a
n
d
T
e
c
h
n
o
l
o
g
y
,
R
a
j
a
ma
n
g
a
l
a
U
n
i
v
e
r
si
t
y
o
f
T
e
c
h
n
o
l
o
g
y
S
r
i
v
i
j
a
y
a
,
S
o
n
g
k
h
l
a
,
T
h
a
i
l
a
n
d
Art
icle
I
nfo
AB
ST
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
J
u
l 2
3
,
2
0
2
3
R
ev
i
s
ed
A
u
g
1
2
,
2
0
2
4
A
cc
ep
ted
Sep
6
,
2
0
2
4
T
h
is
p
a
p
e
r
c
o
m
p
a
r
e
s
th
e
p
e
rf
o
rm
a
n
c
e
o
f
v
a
rio
u
s
w
irele
ss
tec
h
n
o
lo
g
ies
:
Zi
g
Be
e
,
lo
n
g
ra
n
g
e
(L
o
Ra
),
a
n
d
n
a
rro
w
b
a
n
d
in
tern
e
t
o
f
th
i
n
g
s
(
NB
-
Io
T
),
w
h
ich
su
p
p
o
rt
sm
a
rt
b
u
il
d
in
g
a
p
p
li
c
a
ti
o
n
s.
T
h
e
h
ig
h
li
g
h
t
o
f
th
is
w
o
rk
is
t
h
a
t
w
e
f
o
c
u
s
o
n
w
irele
ss
c
o
m
m
u
n
ica
ti
o
n
b
e
tw
e
e
n
th
e
f
lo
o
rs
o
f
th
e
b
u
il
d
i
n
g
b
y
a
n
a
ly
z
in
g
th
e
p
e
rf
o
rm
a
n
c
e
m
e
tri
c
s
u
sin
g
t
h
e
re
c
e
iv
e
d
sig
n
a
l
stre
n
g
th
in
d
ica
to
r
(RS
S
I)
a
n
d
p
a
c
k
e
t
lo
ss
ra
ti
o
(
P
L
R).
F
irst
,
t
h
e
Zi
g
Be
e
tes
ts
c
o
n
f
irme
d
re
li
a
b
le
p
a
c
k
e
t
d
e
li
v
e
ry
w
it
h
o
u
t
a
n
y
lo
ss
o
v
e
r
d
ista
n
c
e
s
u
p
to
4
0
m
e
ters
o
n
th
e
sa
m
e
f
lo
o
r,
w
it
h
RS
S
I
re
su
lt
s
ra
n
g
in
g
f
ro
m
-
6
5
.
5
to
-
8
7
.
5
d
Bm
.
Zi
g
Be
e
a
lso
m
a
in
tain
e
d
sig
n
a
l
tran
sm
issio
n
th
r
o
u
g
h
o
n
e
c
ro
s
s
-
f
lo
o
r
lev
e
l,
w
it
h
RS
S
I
v
a
lu
e
s
b
e
tw
e
e
n
-
6
0
a
n
d
-
1
1
9
d
Bm
.
T
h
e
se
c
o
n
d
s
e
t
o
f
tes
ts,
w
it
h
L
o
Ra
,
in
d
ica
ted
sig
n
a
l
tran
s
m
issio
n
o
v
e
r
se
v
e
ra
l
f
lo
o
rs
w
it
h
slig
h
tl
y
im
p
ro
v
e
d
RS
S
I
v
a
lu
e
s
f
o
r
th
e
2
d
Bi
a
n
ten
n
a
c
o
m
p
a
re
d
to
th
o
se
fo
r
th
e
-
4
d
Bi
a
n
ten
n
a
,
d
e
sp
it
e
in
c
re
a
se
d
p
a
c
k
e
t
lo
ss
w
it
h
d
istan
c
e
.
F
in
a
ll
y
,
NB
-
Io
T
sh
o
w
e
d
th
e
m
o
st
c
o
n
siste
n
t
lo
n
g
-
ra
n
g
e
c
o
n
n
e
c
ti
v
it
y
,
a
c
h
iev
in
g
a
sta
b
le
sig
n
a
l
u
p
t
o
4
5
8
m
e
ters
f
ro
m
th
e
b
a
se
sta
ti
o
n
w
it
h
RS
S
I
lev
e
ls
v
a
ry
in
g
f
ro
m
-
5
5
.
6
t
o
-
7
4
.
6
d
Bm
,
w
it
h
o
u
t
p
a
c
k
e
t
lo
ss
in
a
ll
tes
ts.
T
h
is
st
u
d
y
d
e
m
o
n
stra
tes
h
o
w
su
c
h
tec
h
n
o
lo
g
ies
c
o
u
ld
b
e
u
se
d
i
n
sm
a
rt
b
u
i
ld
i
n
g
s
a
n
d
p
r
o
v
id
e
s
su
g
g
e
stio
n
s
o
n
h
o
w
to
d
e
term
in
e
th
e
m
o
st
su
it
a
b
le
s
y
ste
m
s
a
n
d
c
o
n
f
ig
u
re
th
e
m
to
e
n
su
re
re
li
a
b
le co
m
m
u
n
ic
a
ti
o
n
n
e
tw
o
rk
s
w
it
h
in
t
h
e
b
u
il
d
in
g
.
K
ey
w
o
r
d
s
:
L
o
n
g
r
an
g
e
Nar
r
o
w
b
an
d
in
ter
n
et
o
f
t
h
i
n
g
s
S
m
ar
t b
u
i
ld
in
g
W
ir
less
s
e
n
s
o
r
n
et
w
o
r
k
Z
i
g
B
ee
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
:
Yo
n
g
y
u
t K
ae
w
j
u
m
r
a
s
Dep
ar
t
m
en
t o
f
Me
ch
a
n
ical
E
n
g
in
ee
r
i
n
g
,
Facu
lt
y
o
f
E
n
g
i
n
ee
r
in
g
R
aj
a
m
an
g
ala
U
n
i
v
er
s
it
y
o
f
T
ec
h
n
o
lo
g
y
Sri
v
ij
a
y
a
So
n
g
k
h
la,
T
h
ailan
d
E
m
ail:
y
o
n
g
y
u
t.
k
@
r
m
u
ts
v
.
ac
.
th
1.
I
NT
RO
D
UCT
I
O
N
W
ir
eless
co
m
m
u
n
icatio
n
tec
h
n
o
lo
g
y
is
r
ec
o
g
n
ized
as
a
s
ig
n
if
ica
n
t
ca
tal
y
s
t
f
o
r
th
e
i
m
p
le
m
en
tatio
n
o
f
s
m
ar
t
b
u
ild
in
g
s
,
e
n
h
a
n
ci
n
g
d
ata
tr
an
s
p
o
r
t
an
d
co
n
n
ec
tiv
it
y
a
m
o
n
g
v
ar
io
u
s
d
ev
ice
s
an
d
s
y
s
te
m
s
w
it
h
i
n
t
h
e
b
u
ild
in
g
s
tr
u
ct
u
r
e
[
1
]
.
T
h
is
tech
n
o
lo
g
y
in
te
g
r
ates
s
h
o
r
t
-
r
an
g
e
a
n
d
lo
n
g
-
r
a
n
g
e
w
ir
eless
n
et
w
o
r
k
s
to
ac
co
m
m
o
d
ate
b
o
th
li
m
ited
in
t
er
io
r
s
p
ac
es
an
d
ex
p
an
s
i
v
e
ar
ea
s
[
2
]
.
A
s
m
ar
t
b
u
ild
in
g
n
et
w
o
r
k
co
m
b
i
n
es
s
h
o
r
t
-
r
an
g
e
tech
n
o
lo
g
ie
s
s
u
c
h
as
w
i
r
eless
f
id
elit
y
(
W
i
-
Fi),
B
lu
eto
o
th
,
an
d
Z
ig
B
ee
w
ith
lo
n
g
-
r
an
g
e
co
m
m
u
n
icati
o
n
s
lik
e
lo
n
g
r
an
g
e
(
L
o
R
a)
,
n
ar
r
o
w
b
a
n
d
in
ter
n
et
o
f
th
i
n
g
s
(
NB
-
I
o
T
)
,
an
d
lo
n
g
ter
m
ev
o
l
u
tio
n
f
o
r
m
ac
h
i
n
es
(
L
T
E
-
M)
[
3
]
.
T
h
is
p
ap
er
p
r
esen
ts
an
in
-
d
ep
th
a
n
al
y
s
i
s
o
f
t
h
ese
w
ir
ele
s
s
tec
h
n
o
lo
g
ies.
T
h
e
i
n
teg
r
at
io
n
o
f
t
h
ese
w
ir
ele
s
s
s
y
s
te
m
s
e
n
ab
les
a
t
h
o
r
o
u
g
h
a
s
s
e
s
s
m
e
n
t
o
f
in
d
i
v
id
u
al
ca
p
ab
ilit
ie
s
,
lead
in
g
to
e
n
h
an
ce
d
a
u
to
m
a
tio
n
,
en
er
g
y
ef
f
ic
ien
c
y
,
an
d
co
m
p
r
eh
en
s
iv
e
f
ac
ili
t
y
m
a
n
ag
e
m
e
n
t
[
4
]
.
T
h
e
w
ir
eless
s
en
s
o
r
n
et
w
o
r
k
(
W
SN)
i
s
d
escr
ib
ed
as
a
co
n
n
ec
tio
n
b
et
w
ee
n
s
e
n
s
i
n
g
a
n
d
n
et
w
o
r
k
i
n
g
co
m
p
o
n
e
n
t
s
f
o
r
p
h
y
s
ical
d
ata
m
ea
s
u
r
e
m
en
t,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4864
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
14
,
No
.
1
,
Ma
r
c
h
2
0
2
5
:
1
6
5
-
175
166
o
f
f
er
i
n
g
a
f
f
o
r
d
ab
ilit
y
an
d
e
x
ten
s
i
v
e
co
v
er
ag
e
ac
r
o
s
s
al
l
in
s
tal
latio
n
p
o
in
t
s
[
5
]
.
I
n
ad
d
itio
n
,
w
ir
eles
s
co
n
n
ec
ti
v
it
y
en
ab
le
s
b
o
th
s
h
o
r
t
-
r
an
g
e
a
n
d
lo
n
g
-
r
an
g
e
co
m
m
u
n
icatio
n
w
it
h
in
s
m
ar
t
h
o
m
e
s
an
d
b
u
ild
i
n
g
en
v
ir
o
n
m
e
n
t
s
.
W
SNs
ar
e
s
elec
ted
b
ased
o
n
b
it
r
ate,
d
is
tan
ce
,
an
d
p
o
w
er
co
n
s
u
m
p
t
io
n
.
Z
i
g
B
ee
is
b
est
s
u
ited
f
o
r
lo
w
b
it
r
ate
an
d
e
n
er
g
y
-
e
f
f
icien
t
d
ata
tr
an
s
m
is
s
io
n
,
w
h
ile
B
lu
eto
o
th
an
d
W
i
-
Fi
ar
e
m
o
r
e
s
u
itab
le
f
o
r
h
i
g
h
b
it
r
ates
w
it
h
ele
v
ated
p
o
w
er
co
n
s
u
m
p
tio
n
[
6
]
.
T
h
er
ef
o
r
e,
W
SNs
h
a
v
e
m
u
ltip
le
ad
ap
tab
le
f
ea
t
u
r
es,
m
ak
i
n
g
th
e
m
e
f
f
ec
ti
v
e
s
o
l
u
tio
n
s
in
m
a
n
y
i
n
n
o
v
ati
v
e
ap
p
licatio
n
s
[
7
]
.
P
r
ev
io
u
s
s
t
u
d
ies
[
8
]
f
o
cu
s
ed
p
r
im
ar
il
y
o
n
tex
t
-
b
ased
d
ata
tr
an
s
m
is
s
io
n
a
n
d
u
s
ed
th
e
a
p
p
r
o
p
r
iate
p
latf
o
r
m
f
o
r
s
m
a
ll
d
ata
p
ay
lo
ad
s
in
Z
i
g
B
ee
d
ev
ices.
Ho
w
e
v
er
,
co
m
m
u
n
icatio
n
s
y
s
te
m
s
l
ik
e
L
o
R
a
a
n
d
NB
-
I
o
T
ca
n
tr
an
s
f
er
d
ata
o
v
er
k
il
o
m
e
ter
s
[
9
]
.
T
h
e
f
u
n
ctio
n
aliti
es
in
s
id
e
t
h
e
b
u
i
ld
in
g
s
h
o
u
ld
also
b
e
ex
a
m
i
n
ed
b
y
lo
o
k
in
g
at
th
e
r
ec
eiv
ed
s
i
g
n
a
l
s
tr
en
g
t
h
i
n
d
icato
r
(
R
SS
I
)
,
w
h
ich
i
s
p
ar
ticu
lar
l
y
m
ea
n
in
g
f
u
l
f
o
r
in
d
o
o
r
o
b
j
ec
ts
s
u
c
h
as
b
u
ild
in
g
s
,
w
all
s
,
an
d
o
f
f
ice
p
ar
ap
h
er
n
alia
t
h
at
in
f
l
u
en
ce
w
ir
ele
s
s
co
m
m
u
n
icatio
n
q
u
alit
y
[
1
0
]
.
T
h
e
p
ac
k
et
lo
s
s
r
atio
(
P
L
R
)
is
also
an
ess
en
tial
i
n
d
icato
r
[
1
1
]
.
P
r
ec
is
e
s
ig
n
al
s
tr
e
n
g
th
d
eter
m
i
n
atio
n
u
n
d
e
r
s
u
c
h
co
n
d
itio
n
s
is
cr
u
cial
f
o
r
en
s
u
r
in
g
q
u
alit
y
a
n
d
s
u
cc
e
s
s
f
u
l
in
d
o
o
r
in
s
tallatio
n
o
f
w
ir
ele
s
s
d
ev
ices.
T
h
e
b
u
ild
in
g
m
o
n
ito
r
i
n
g
ap
p
licatio
n
h
ad
a
u
n
iq
u
e
n
et
w
o
r
k
in
g
s
et
u
p
th
at
u
s
ed
m
i
x
ed
p
r
o
to
co
ls
lik
e
Z
ig
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
,
alo
n
g
w
it
h
w
ir
ele
s
s
n
et
wo
r
k
in
g
ele
m
e
n
t
s
an
d
ap
p
licati
o
n
s
ec
tio
n
s
[
1
2
]
.
T
h
e
s
en
s
i
n
g
s
ec
tio
n
u
s
es
s
m
ar
t
d
ev
ices
to
co
llect
in
f
o
r
m
atio
n
r
eg
ar
d
in
g
e
n
v
ir
o
n
m
e
n
tal
p
ar
a
m
eter
s
an
d
elec
tr
ical
cu
r
r
en
t
v
al
u
es
[
1
3
]
.
T
h
e
b
u
ild
in
g
w
as
eq
u
ip
p
ed
w
ith
v
ar
io
u
s
s
tr
ateg
ica
ll
y
p
lace
d
s
en
s
o
r
s
t
h
at
g
at
h
er
ed
in
s
tan
ta
n
eo
u
s
i
n
f
o
r
m
atio
n
ab
o
u
t
te
m
p
er
atu
r
e,
h
u
m
id
it
y
,
lig
h
t,
en
er
g
y
u
s
ag
e,
a
n
d
m
a
n
y
o
th
er
f
ac
to
r
s
[
1
4
]
.
T
h
e
g
ate
w
a
y
(
GW
)
co
n
v
er
t
s
d
ata
s
ets
f
r
o
m
o
n
e
o
r
s
ev
er
al
co
m
m
u
n
icat
io
n
p
r
o
to
co
ls
to
d
if
f
er
en
t
o
n
es
[
1
5
]
.
T
h
is
s
u
p
p
o
r
t
f
o
r
s
y
s
te
m
s
’
in
ter
o
p
er
ab
ilit
y
p
r
o
m
o
tes
e
f
f
ic
ien
t
d
ata
m
an
a
g
e
m
en
t.
W
ir
eless
co
m
m
u
n
icatio
n
m
ad
e
it
p
o
s
s
ib
le
to
ex
te
n
d
th
e
n
et
w
o
r
k
co
n
n
ec
tio
n
f
r
o
m
s
h
o
r
t
-
r
an
g
e
to
lo
n
g
-
r
a
n
g
e,
s
p
r
ea
d
in
g
t
h
r
o
u
g
h
o
u
t
t
h
e
e
n
tire
b
u
ild
in
g
[
1
6
]
,
[
1
7
]
.
Fig
u
r
e
1
s
h
o
w
s
th
e
n
e
t
w
o
r
k
e
x
p
an
s
io
n
t
h
r
o
u
g
h
t
h
e
ap
p
licat
io
n
o
f
w
ir
eles
s
tec
h
n
o
lo
g
ies.
T
h
e
GW
co
n
v
er
ted
Z
i
g
B
ee
’
s
d
ata
i
n
to
L
o
R
a
an
d
NB
-
I
o
T
d
ata,
r
esp
ec
tiv
el
y
.
Fig
u
r
e
1
.
R
an
g
e
c
o
m
p
ar
is
o
n
o
f
Z
ig
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
w
ir
ele
s
s
t
ec
h
n
o
lo
g
ies
T
h
is
p
ap
er
co
m
p
ar
es
Z
i
g
B
ee
,
L
o
R
a,
a
n
d
NB
-
I
o
T
tech
n
o
lo
g
ies
in
test
b
ed
en
v
ir
o
n
m
e
n
ts
f
o
r
in
d
o
o
r
ap
p
licatio
n
s
,
p
r
o
v
id
in
g
th
eir
R
SS
I
an
d
P
L
R
m
etr
ic
s
.
T
h
er
ef
o
r
e,
th
is
s
t
u
d
y
e
v
al
u
ates
th
e
p
r
e
s
u
m
ed
o
p
er
atio
n
al
b
o
u
n
d
ar
ies
an
d
s
tr
en
g
t
h
s
o
f
e
ac
h
i
n
d
o
o
r
in
ter
n
et
o
f
th
in
g
s
(
I
o
T
)
tech
n
o
lo
g
y
b
y
m
eth
o
d
i
ca
ll
y
te
s
ti
n
g
th
e
s
e
m
etr
ics.
Fig
u
r
e
2
ill
u
s
t
r
ate
s
t
h
e
tes
tb
ed
b
u
ild
in
g
u
s
ed
f
o
r
w
ir
ele
s
s
co
m
m
u
n
icatio
n
tr
ials
.
Fig
u
r
e
2
(
a)
s
h
o
ws
th
e
e
x
ter
io
r
v
ie
w
o
f
t
h
e
f
ac
u
lt
y
o
f
en
g
i
n
ee
r
in
g
b
u
ild
in
g
,
w
h
ic
h
h
o
u
s
e
s
t
h
e
test
i
n
g
f
ac
ilit
ies.
F
ig
u
r
e
2
(
b
)
d
ep
icts
th
e
i
n
ter
io
r
co
r
r
id
o
r
w
h
er
e
th
e
w
ir
eless
co
m
m
u
n
i
ca
tio
n
e
x
p
er
i
m
en
t
s
w
er
e
co
n
d
u
cted
,
p
r
o
v
id
in
g
a
co
n
tr
o
lled
en
v
ir
o
n
m
e
n
t
f
o
r
t
h
e
tr
ials
.
T
h
e
in
s
i
g
h
t
s
in
to
s
ele
ctin
g
th
e
b
est
i
n
d
o
o
r
w
ir
eles
s
tech
n
o
lo
g
y
f
o
r
I
o
T
ap
p
licatio
n
s
,
as
ex
p
lain
ed
in
t
h
is
s
t
u
d
y
,
w
ill
ex
p
ed
ite
th
e
i
m
p
le
m
e
n
tat
io
n
o
f
th
e
s
e
tech
n
o
lo
g
ies
in
to
p
r
o
p
er
s
m
ar
t
b
u
ild
in
g
s
.
A
d
d
itio
n
all
y
,
o
u
r
ex
p
er
i
m
e
n
ts
w
er
e
co
n
d
u
cted
in
r
ea
l
-
w
o
r
ld
s
ce
n
ar
io
s
th
at
i
n
cl
u
d
ed
th
e
p
r
esen
ce
o
f
p
o
ten
tial
s
ig
n
al
-
i
n
ter
f
er
in
g
d
ev
ices,
s
u
ch
as
W
i
-
Fi
ac
ce
s
s
p
o
in
ts
d
is
tr
ib
u
ted
ac
r
o
s
s
v
ar
io
u
s
f
lo
o
r
s
o
f
th
e
b
u
ild
i
n
g
.
I
t
i
s
es
s
e
n
tial
to
n
o
te
t
h
at
t
h
ese
d
e
v
ices
w
er
e
n
o
t
u
n
d
er
o
u
r
co
n
tr
o
l
d
u
r
in
g
t
h
e
ex
p
er
i
m
e
n
tatio
n
.
T
h
is
f
ac
t
u
n
d
er
s
co
r
es
th
e
i
m
p
o
r
tan
ce
o
f
co
n
s
id
er
in
g
s
u
ch
en
v
ir
o
n
m
e
n
ta
l
v
ar
iab
les
in
f
u
t
u
r
e
r
esear
ch
.
Stu
d
ie
s
th
at
h
av
e
t
h
e
ca
p
ab
ilit
y
to
co
n
tr
o
l
th
e
s
e
ac
ce
s
s
p
o
in
t
d
ev
ice
s
s
h
o
u
ld
ce
r
tain
l
y
i
n
cl
u
d
e
an
ev
alu
a
tio
n
o
f
t
h
eir
i
m
p
ac
t
o
n
w
ir
eless
co
m
m
u
n
icatio
n
,
t
h
er
eb
y
en
r
ic
h
in
g
o
u
r
u
n
d
er
s
t
an
d
in
g
o
f
h
o
w
I
o
T
tech
n
o
lo
g
ies p
er
f
o
r
m
i
n
p
r
ac
ti
ca
l,
r
ea
l
-
w
o
r
ld
s
m
ar
t b
u
ild
i
n
g
en
v
ir
o
n
m
e
n
t
s
.
L
o
n
g
r
a
n
g
e
(
k
i
l
o
m
e
t
e
r
l
e
v
e
l
)
S
h
o
r
t
r
a
n
g
e
(
m
e
t
e
r
l
e
v
e
l
)
Z
i
g
B
e
e
s
e
n
s
i
n
g
d
e
v
i
c
e
s
Z
i
g
B
e
e
t
o
L
o
R
a
c
o
n
v
e
r
t
e
r
G
a
t
e
w
a
y
(
L
o
R
a
t
o
N
B
-
I
o
T
)
B
a
s
e
s
t
a
t
i
o
n
I
n
t
e
r
n
e
t
Z
i
g
B
e
e
l
i
n
k
L
o
R
a
l
i
n
k
N
B
-
I
o
T
l
i
n
k
I
n
t
e
r
n
e
t
l
i
n
k
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4864
C
o
mp
a
r
a
tive
a
n
a
lysi
s
o
f Zig
B
ee
,
Lo
R
a
,
a
n
d
N
B
-
I
o
T in
a
s
m
a
r
t b
u
ild
in
g
:
a
d
v
a
n
ta
g
es
…
(
Ta
n
a
ko
r
n
I
n
th
a
s
u
t
h
)
167
(
a)
(
b
)
Fig
u
r
e
2
.
T
estb
ed
b
u
ild
in
g
f
o
r
w
ir
ele
s
s
co
m
m
u
n
icatio
n
tr
ial
s
of
(
a)
ex
ter
io
r
an
d
(
b
)
c
o
r
r
id
o
r
2.
M
E
T
H
O
D
I
n
th
e
m
et
h
o
d
s
s
ec
tio
n
,
w
e
el
ab
o
r
ate
o
n
o
u
r
ex
p
er
i
m
en
ta
l
s
etu
p
f
o
r
ev
al
u
ati
n
g
th
e
R
S
SI
an
d
P
L
R
i
n
s
m
ar
t
b
u
ild
in
g
s
u
s
i
n
g
Z
ig
B
ee
,
L
o
R
a,
a
n
d
NB
-
I
o
T
tech
n
o
lo
g
ies.
Ou
r
f
o
cu
s
i
s
o
n
d
eter
m
i
n
i
n
g
h
o
w
w
e
ll
t
h
ese
w
ir
ele
s
s
tec
h
n
o
lo
g
ie
s
p
er
f
o
r
m
i
n
ter
m
s
o
f
s
ig
n
al
q
u
alit
y
an
d
r
eliab
ilit
y
w
i
th
i
n
i
n
d
o
o
r
en
v
ir
o
n
m
e
n
t
s
.
W
e
e
m
p
lo
y
ed
d
if
f
er
en
t
t
y
p
e
s
o
f
m
o
d
u
les
f
o
r
ea
ch
tech
n
o
lo
g
y
Z
i
g
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
at
b
o
th
th
e
tr
an
s
m
itte
r
an
d
r
ec
eiv
er
en
d
s
to
m
ea
s
u
r
e
R
SS
I
a
n
d
P
L
R
,
t
h
er
eb
y
as
s
es
s
in
g
t
h
eir
s
u
itab
ilit
y
f
o
r
s
m
ar
t
b
u
ild
in
g
n
et
w
o
r
k
s
.
Fig
u
r
e
3
p
r
esen
ts
a
d
iag
r
a
m
o
f
th
e
w
ir
eles
s
an
d
p
o
r
tab
le
d
ev
ices u
s
ed
i
n
th
e
e
x
p
er
i
m
e
n
t.
Fig
u
r
e
3
.
C
o
m
p
ar
ativ
e
s
e
tu
p
o
f
Z
ig
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
m
o
d
u
les
f
o
r
w
ir
eless
co
m
m
u
n
icatio
n
test
in
g
T
ab
le
1
c
o
m
p
ar
es
Z
i
g
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
tech
n
o
lo
g
ies,
h
i
g
h
lig
h
ti
n
g
d
if
f
er
e
n
ce
s
i
n
p
o
w
er
,
d
ata
r
ates,
an
d
f
r
eq
u
en
cies.
Z
ig
B
ee
o
p
er
ates
at
2
.
4
GHz
,
L
o
R
a
at
4
3
3
MH
z
w
it
h
v
ar
iab
le
an
ten
n
a
g
ai
n
s
,
an
d
NB
-
I
o
T
f
ea
tu
r
es
th
e
h
ig
h
e
s
t
p
o
w
e
r
tr
an
s
m
i
s
s
io
n
at
9
0
0
MH
z.
F
o
r
Z
ig
B
ee
,
w
e
u
s
ed
XB
ee
m
o
d
u
les
w
ith
a
p
o
w
er
tr
an
s
m
is
s
io
n
o
f
2
m
illi
w
a
tts
(
m
W
)
,
w
h
ic
h
ar
e
t
y
p
ical
l
y
u
s
ed
in
s
h
o
r
t
-
r
an
g
e
b
u
ild
i
n
g
a
p
p
licatio
n
s
.
L
o
R
a
m
ea
s
u
r
e
m
e
n
t
s
u
tili
ze
d
th
e
R
A
-
0
1
m
o
d
u
le,
ch
o
s
e
n
f
o
r
its
lo
n
g
-
r
a
n
g
e
ca
p
ab
ilit
ies,
w
h
i
le
th
e
NB
-
I
o
T
ev
alu
a
tio
n
w
a
s
co
n
d
u
c
ted
u
s
i
n
g
th
e
Q
u
ec
tel
B
C
9
5
m
o
d
u
le,
k
n
o
w
n
f
o
r
its
e
f
f
icien
t
p
o
w
er
u
s
a
g
e
a
n
d
ef
f
ec
ti
v
e
p
en
etr
atio
n
i
n
co
m
p
lex
e
n
v
ir
o
n
m
e
n
ts
.
Ou
r
test
i
n
g
to
o
k
p
l
ac
e
in
a
n
ac
t
u
al
m
u
lti
-
f
lo
o
r
b
u
ild
in
g
to
s
i
m
u
late
r
ea
l
-
w
o
r
ld
co
n
d
itio
n
s
a
n
d
ass
e
s
s
ea
ch
tec
h
n
o
lo
g
y
's p
er
f
o
r
m
a
n
ce
u
n
d
er
t
y
p
ical
o
p
er
atin
g
s
c
en
ar
io
s
.
T
ab
le
1
.
C
o
m
p
ar
ativ
e
s
p
ec
i
f
ic
atio
n
s
o
f
Z
i
g
B
ee
,
L
o
R
a,
a
n
d
NB
-
I
o
T
t
ec
h
n
o
lo
g
ies [
9
]
,
[
1
8
]
,
[
1
9
]
P
a
r
a
me
t
e
r
Z
i
g
B
e
e
L
o
R
a
NB
-
I
o
T
C
o
mm
u
n
i
c
a
t
i
o
n
mo
d
u
l
e
X
B
e
e
s
e
r
i
e
s 2
RA
-
01
Q
u
e
c
t
e
l
B
C
9
5
P
r
o
t
o
c
o
l
Z
i
g
B
e
e
/
I
EEE8
0
2
.
1
5
.
4
U
se
r
-
d
e
f
i
n
e
d
p
r
o
t
o
c
o
l
s
U
D
P
/
C
o
A
P
P
o
w
e
r
t
r
a
n
smit
t
e
r
2
mW
(
3
.
0
1
d
B
m)
1
5
8
mW
(
2
2
d
B
m
)
1
9
9
.
5
mW
(
2
3
d
B
m)
A
n
t
e
n
n
a
t
y
p
e
W
i
r
e
O
mn
i
-
d
i
r
e
c
t
i
o
n
a
l
O
mn
i
-
d
i
r
e
c
t
i
o
n
a
l
A
n
t
e
n
n
a
g
a
i
n
N
/
A
-
4
d
B
i
a
n
d
2
d
B
i
2
.
6
5
d
B
i
F
r
e
q
u
e
n
c
y
b
a
n
d
2
.
4
G
H
z
4
3
3
M
H
z
9
0
0
M
H
z
D
a
t
a
t
r
a
n
smi
ssi
o
n
r
a
t
e
2
5
0
k
b
p
s
U
p
t
o
3
0
0
k
b
p
s
2
5
.
2
k
b
p
s (d
o
w
n
l
i
n
k
)
a
n
d
1
5
.
6
2
5
k
b
p
s (u
p
l
i
n
k
)
M
C
U
co
n
n
e
c
t
e
d
S
t
a
n
d
a
l
o
n
e
A
r
d
u
i
n
o
A
r
d
u
i
n
o
P
o
w
e
r
i
n
p
u
t
3
.
3
V
3
.
3
V
3
.
3
V
U
se
r
i
n
t
e
r
f
a
c
e
(
U
I
)
X
C
T
U
A
r
d
u
i
n
o
mo
n
i
t
o
r
M
a
g
e
l
l
a
n
p
l
a
t
f
o
r
m
X
B
e
e
d
e
v
i
c
e
L
o
R
a
d
e
v
i
c
e
N
B
-
I
o
T
d
e
v
i
c
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4864
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
14
,
No
.
1
,
Ma
r
c
h
2
0
2
5
:
1
6
5
-
175
168
W
e
ad
o
p
ted
a
p
o
in
t
-
to
-
p
o
in
t
t
o
p
o
lo
g
y
f
o
r
th
e
s
u
b
s
y
s
te
m
s
a
cr
o
s
s
all
th
r
ee
tech
n
o
lo
g
ie
s
,
en
ab
lin
g
a
co
m
p
r
e
h
en
s
iv
e
as
s
es
s
m
en
t
o
f
th
eir
p
er
f
o
r
m
a
n
ce
w
it
h
in
t
h
e
co
n
tex
t
o
f
an
in
d
o
o
r
w
ir
el
ess
co
m
m
u
n
icatio
n
n
et
w
o
r
k
.
T
h
is
ass
es
s
m
en
t
s
p
e
cif
icall
y
f
o
c
u
s
es
o
n
t
h
e
P
L
R
a
n
d
R
SS
I
m
etr
ic
s
,
w
h
ic
h
ar
e
c
alcu
lated
ac
co
r
d
in
g
to
(
1
)
an
d
(
2
)
,
r
esp
ec
tiv
el
y
,
as
d
etailed
in
[
2
0
]
,
[
2
1
]
:
=
×
100
%
(
1
)
̅
̅
̅
̅
̅
̅
=
1
∑
(
2
)
w
h
er
e
is
p
ac
k
et
lo
s
s
r
atio
,
is
n
u
m
b
er
o
f
p
ac
k
ets
lo
s
t,
is
n
u
m
b
er
o
f
to
tal
p
ac
k
ets
tr
an
s
m
itted
,
̅
̅
̅
̅
̅
̅
is
R
SS
I
av
er
ag
e,
an
d
is
R
SS
I
m
ea
s
u
r
em
en
t
v
alu
e
p
er
tim
e
in
s
tan
ce
.
2
.
1
.
Z
ig
B
ee
ex
peri
m
ent
a
l set
up
I
n
Fi
g
u
r
e
4
,
th
e
X
C
T
U
s
o
f
t
w
a
r
e
d
em
o
n
s
tr
ate
s
d
ev
ice
test
in
g
,
w
h
er
e
t
h
e
Z
i
g
B
ee
n
et
w
o
r
k
c
o
n
s
is
ts
o
f
a
lo
c
al
r
ad
io
n
o
d
e
s
er
v
in
g
as
a
co
o
r
d
in
ato
r
an
d
a
r
em
o
te
r
ad
io
n
o
d
e
o
p
er
atin
g
as
a
r
ec
e
iv
er
.
T
h
e
in
ter
f
ac
e
d
is
p
la
y
s
a
g
r
ap
h
t
h
at
r
ev
ea
l
s
th
e
R
SS
I
le
v
els
o
v
er
a
ce
r
tain
p
er
io
d
f
o
r
b
o
th
r
em
o
te
an
d
lo
ca
l
d
ev
ices,
in
d
icati
n
g
a
n
e
x
is
tin
g
co
m
m
u
n
ica
tio
n
s
ig
n
al
d
u
e
to
co
n
ti
n
u
o
u
s
R
S
SI
r
ea
d
in
g
s
.
T
h
is
s
o
f
t
w
ar
e
r
ec
o
r
d
s
th
e
n
u
m
b
er
o
f
d
ata
p
ac
k
ets
tr
an
s
m
itted
an
d
r
ec
eiv
ed
,
alo
n
g
w
ith
th
e
R
S
SI
r
ea
d
in
g
s
,
p
r
o
v
i
d
in
g
a
m
ea
s
u
r
ab
le
cr
iter
io
n
f
o
r
an
al
y
s
is
.
B
elo
w
t
h
e
R
SS
I
p
lo
t,
ad
d
itio
n
al
b
ar
g
r
ap
h
s
s
h
o
w
t
h
e
s
i
g
n
a
l
s
tr
en
g
th
in
d
B
m
f
o
r
b
o
th
lo
ca
l
an
d
r
em
o
te
m
o
d
u
les
an
d
th
e
p
ac
k
et
s
u
cc
es
s
r
ate
d
u
r
in
g
Z
i
g
B
ee
r
an
g
e
test
in
g
,
w
h
i
ch
d
e
m
o
n
s
tr
ates
t
h
e
ef
f
icie
n
c
y
o
f
t
h
e
li
n
k
b
et
w
ee
n
th
e
t
w
o
n
o
d
es.
Fig
u
r
e
4
.
XC
T
U
s
o
f
t
w
ar
e
i
n
te
r
f
ac
e
f
o
r
Z
i
g
B
ee
r
an
g
e
t
esti
n
g
T
h
e
m
o
d
el
te
s
ted
,
as
d
ep
icted
in
Fi
g
u
r
e
5
,
ev
a
lu
ate
s
t
h
e
R
SS
I
f
o
r
a
Z
i
g
B
ee
n
et
w
o
r
k
i
n
an
in
d
o
o
r
en
v
ir
o
n
m
e
n
t.
T
h
is
e
x
p
er
i
m
e
n
t
s
p
ec
if
icall
y
f
o
cu
s
es
o
n
i
n
ter
-
f
lo
o
r
co
m
m
u
n
icatio
n
w
it
h
i
n
d
esig
n
ated
test
ar
ea
s
.
I
t
in
v
o
l
v
es
a
s
i
g
n
al
r
ec
ep
tio
n
p
o
in
t
w
it
h
an
XB
ee
co
o
r
d
in
ato
r
lo
ca
ted
o
n
th
e
1
0
th
f
lo
o
r
an
d
an
XB
ee
en
d
d
ev
ice
ac
tin
g
as a
tr
a
n
s
m
itter
.
T
h
e
tr
an
s
m
i
tter
'
s
p
o
s
itio
n
v
ar
i
es,
w
ith
i
n
ter
p
o
lated
test
s
e
x
te
n
d
i
n
g
f
r
o
m
t
h
e
1
0
th
f
lo
o
r
d
o
w
n
to
th
e
9
th
an
d
8
th
f
l
o
o
r
s
,
r
esp
ec
tiv
el
y
.
T
h
e
o
b
j
ec
tiv
e
is
to
ascer
tai
n
th
e
e
f
f
ec
tiv
e
tr
an
s
m
is
s
io
n
r
a
n
g
e
o
f
th
e
s
y
s
te
m
.
Fo
r
th
is
p
u
r
p
o
s
e,
Z
ig
B
ee
en
d
d
ev
ice
n
o
d
es
w
er
e
s
tr
ate
g
icall
y
p
lace
d
th
r
o
u
g
h
o
u
t
th
e
b
u
i
ld
in
g
,
in
cl
u
d
in
g
in
ce
n
tr
al
ar
ea
s
an
d
th
e
m
o
s
t
r
e
m
o
te
co
r
n
er
s
,
cr
ea
tin
g
a
to
tal
o
f
eig
h
t
d
is
ti
n
ct
tes
t
p
o
in
ts
.
T
h
e
R
SS
I
v
alu
e
s
w
er
e
m
etic
u
lo
u
s
l
y
m
ea
s
u
r
ed
an
d
r
ec
o
r
d
e
d
at
th
ese
r
e
f
er
en
ce
s
e
n
s
o
r
n
o
d
es.
A
d
d
itio
n
all
y
,
f
o
r
th
e
L
o
R
a
test
i
n
g
,
t
h
e
ex
p
er
i
m
en
tal
s
et
u
p
w
as
ad
j
u
s
ted
to
in
c
l
u
d
e
lo
n
g
er
d
is
ta
n
ce
s
b
et
w
ee
n
f
lo
o
r
s
co
m
p
ar
ed
to
th
e
Z
i
g
B
ee
test
,
co
m
m
u
n
icati
n
g
f
r
o
m
t
h
e
1
0
th
f
lo
o
r
d
o
w
n
to
t
h
e
7
th
an
d
4
th
f
lo
o
r
s
.
T
h
e
L
o
R
a
test
d
iag
r
a
m
is
s
h
o
w
n
in
F
ig
u
r
e
6
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4864
C
o
mp
a
r
a
tive
a
n
a
lysi
s
o
f Zig
B
ee
,
Lo
R
a
,
a
n
d
N
B
-
I
o
T in
a
s
m
a
r
t b
u
ild
in
g
:
a
d
v
a
n
ta
g
es
…
(
Ta
n
a
ko
r
n
I
n
th
a
s
u
t
h
)
169
Fig
u
r
e
5
.
Sch
e
m
atic
d
iag
r
a
m
o
f
Z
i
g
B
ee
test
s
e
tu
p
w
it
h
R
SS
I
m
ea
s
u
r
e
m
e
n
t
u
s
i
n
g
XC
T
U
s
o
f
t
w
ar
e
Fig
u
r
e
6
.
Sch
e
m
atic
d
iag
r
a
m
o
f
L
o
R
a
te
s
t set
u
p
w
it
h
R
SS
I
m
ea
s
u
r
e
m
e
n
t
u
s
i
n
g
A
r
d
u
i
n
o
s
o
f
t
w
ar
e
2
.
2
.
L
o
ng
r
a
ng
e
ex
peri
m
ent
a
l set
up
T
h
e
r
ec
eiv
er
is
s
et
to
a
f
r
eq
u
en
c
y
o
f
4
3
3
MH
z.
Data
p
ac
k
ets
w
i
th
ti
m
e
-
co
u
n
ti
n
g
d
etails
a
r
e
f
o
r
m
ed
at
th
e
tr
an
s
m
itter
.
T
h
e
tr
an
s
m
itter
m
o
d
u
le
s
e
n
d
s
p
ac
k
ets
ev
er
y
s
ec
o
n
d
to
m
ain
ta
in
a
co
n
s
is
ten
t
d
ata
f
lo
w
.
A
r
d
u
i
n
o
m
o
n
ito
r
i
n
g
s
o
f
t
w
ar
e
o
n
a
lap
to
p
co
llects
r
ea
l
-
ti
m
e
d
ata.
T
h
is
s
o
f
t
w
ar
e
as
s
is
t
s
i
n
co
llecti
n
g
R
SS
I
an
d
p
ac
k
et
r
ec
ep
tio
n
d
ata.
Data
co
llectio
n
d
u
r
i
n
g
ex
p
er
i
m
en
t
s
i
s
f
ac
ilit
ated
b
y
its
UI
.
T
h
e
s
o
f
t
w
ar
e
lo
g
s
R
SS
I
a
n
d
p
ac
k
et
r
ec
ep
tio
n
s
tat
u
s
f
o
r
p
o
s
t
-
e
x
p
er
i
m
e
n
t
an
al
y
s
is
.
Fig
u
r
e
7
s
h
o
w
s
t
h
e
s
o
f
t
w
ar
e
m
o
n
ito
r
in
g
s
et
u
p
f
o
r
b
o
th
n
o
r
m
al
an
d
er
r
o
r
-
an
d
-
lo
s
s
ca
s
es.
Fig
u
r
e
7
(
a)
s
h
o
w
s
s
u
cc
e
s
s
f
u
l
p
ac
k
et
r
ec
ep
tio
n
w
ith
s
tab
le
R
SS
I
,
w
h
ile
Fig
u
r
e
7
(
b
)
d
is
p
lay
s
p
ac
k
e
t e
r
r
o
r
s
an
d
d
ata
lo
s
s
.
(
a
)
(
b
)
Fig
u
r
e
7
.
Ser
ial
m
o
n
ito
r
o
u
tp
u
ts
of
(
a)
s
u
cc
e
s
s
f
u
l p
ac
k
et
r
ec
ep
tio
n
w
i
th
s
tab
le
R
S
SI
r
ea
d
in
g
s
an
d
(
b
)
p
ac
k
et
r
ec
ep
tio
n
w
it
h
er
r
o
r
s
in
d
icati
v
e
o
f
d
ata
lo
s
s
,
u
s
i
n
g
A
r
d
u
i
n
o
m
o
n
ito
r
i
n
g
s
o
f
t
w
ar
e
2
.
3
.
Na
rr
o
w
ba
nd
inte
rnet
o
f
t
hin
g
ex
peri
m
ent
a
l set
up
Ou
r
ex
p
er
i
m
e
n
t
ai
m
s
to
r
ig
o
r
o
u
s
l
y
as
s
es
s
th
e
p
er
f
o
r
m
an
ce
o
f
NB
-
I
o
T
tech
n
o
lo
g
y
i
n
u
r
b
an
b
u
ild
in
g
en
v
ir
o
n
m
e
n
t
s
.
W
e
s
tr
ateg
icall
y
p
lace
d
NB
-
I
o
T
d
ev
ices
at
n
in
e
d
if
f
er
en
t
p
o
in
t
s
w
it
h
i
n
a
b
u
ild
in
g
,
d
is
tr
ib
u
ted
ac
r
o
s
s
th
r
ee
lev
els
:
b
ase
(
1
st
f
lo
o
r
)
,
m
id
d
le
(
5
th
f
lo
o
r
)
,
an
d
t
o
p
(
1
0
th
f
lo
o
r
)
.
T
h
is
s
etu
p
is
d
esig
n
ed
to
g
ath
er
ex
ten
s
i
v
e
d
ata
ac
r
o
s
s
v
ar
io
u
s
elev
atio
n
s
,
p
r
o
v
id
in
g
a
co
m
p
r
eh
en
s
i
v
e
u
n
d
er
s
ta
n
d
in
g
o
f
NB
-
I
o
T
'
s
ef
f
ec
ti
v
e
n
es
s
in
u
r
b
an
co
n
te
x
ts
.
C
en
tr
al
to
o
u
r
s
tu
d
y
is
m
ea
s
u
r
i
n
g
t
w
o
k
e
y
p
ar
a
m
eter
s
:
R
S
SI
an
d
P
L
R
w
i
th
i
n
t
h
e
NB
-
I
o
T
n
et
w
o
r
k
.
W
e
u
s
ed
th
e
Ma
g
el
lan
w
eb
s
ite
in
ter
f
ac
e
f
o
r
NB
-
I
o
T
r
an
g
e
test
i
n
g
,
as
s
h
o
w
n
i
n
Fi
g
u
r
e
8
,
w
h
ich
f
ea
t
u
r
es a
“Gr
ap
h
His
to
r
y
”
s
ec
tio
n
f
o
r
tr
ac
k
i
n
g
an
d
g
r
ap
h
ica
l
l
y
r
ep
r
esen
ti
n
g
R
S
SI
an
d
p
ac
k
et
lo
s
s
o
v
er
ti
m
e.
Fig
u
r
e
9
illu
s
tr
ates
o
u
r
m
et
h
o
d
o
lo
g
y
,
w
h
ic
h
in
v
o
l
v
ed
to
o
ls
lik
e
Go
o
g
le
Ma
p
s
a
n
d
th
e
ce
ll
to
w
er
ap
p
licatio
n
to
ev
alu
a
te
th
e
i
m
p
ac
t
o
f
d
is
ta
n
ce
f
r
o
m
t
h
e
b
ase
s
tatio
n
an
d
b
u
ild
i
n
g
f
lo
o
r
lev
els
o
n
NB
-
I
o
T
p
er
f
o
r
m
a
n
ce
.
C
o
n
s
i
s
ten
tl
y
u
s
i
n
g
t
h
e
s
a
m
e
m
o
b
ile
s
er
v
ice
p
r
o
v
id
er
f
o
r
th
e
NB
-
I
o
T
d
e
v
ice,
o
p
er
atin
g
in
t
h
e
9
0
0
MH
z
b
an
d
,
allo
w
ed
f
o
r
ac
cu
r
ate
b
ase
s
tatio
n
co
o
r
d
in
ate
s
ca
n
n
i
n
g
at
o
u
r
test
p
o
in
t
s
.
W
ith
th
e
n
ea
r
est
telec
o
m
b
ase
s
tatio
n
ap
p
r
o
x
i
m
atel
y
4
5
8
m
eter
s
a
w
a
y
,
t
h
is
d
is
tan
ce
ac
ted
as
a
b
en
ch
m
a
r
k
f
o
r
o
u
r
an
al
y
s
is
.
Ho
w
e
v
er
,
th
e
m
i
n
i
m
al
v
a
r
ia
n
ce
in
d
i
s
tan
ce
b
et
w
ee
n
tes
t
p
o
in
ts
(
±
2
0
m
eter
s
)
s
u
g
g
es
ts
th
at
th
e
s
e
s
m
all
d
if
f
er
e
n
ce
s
ar
e
u
n
li
k
el
y
to
s
ig
n
if
ican
t
l
y
a
f
f
ec
t
o
u
r
r
esu
lts
.
T
h
is
ap
p
r
o
ac
h
co
n
tr
asts
w
i
th
t
h
at
o
f
Z
i
g
B
ee
tech
n
o
lo
g
y
,
h
ig
h
li
g
h
ti
n
g
t
h
e
u
n
iq
u
e
asp
ec
ts
o
f
NB
-
I
o
T
d
e
p
lo
y
m
e
n
t
in
u
r
b
a
n
s
tr
u
ct
u
r
es.
T
h
e
co
n
s
is
te
n
c
y
i
n
o
u
r
d
ata
co
llectio
n
w
a
s
f
u
r
th
er
en
s
u
r
ed
b
y
u
s
i
n
g
th
e
s
a
m
e
lo
ca
tio
n
f
o
r
b
o
th
s
ca
n
n
i
n
g
th
e
b
ase
s
tatio
n
's
co
o
r
d
in
ates a
n
d
test
i
n
g
t
h
e
N
B
-
I
o
T
s
ig
n
al
p
er
f
o
r
m
an
ce
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4864
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
14
,
No
.
1
,
Ma
r
c
h
2
0
2
5
:
1
6
5
-
175
170
Fig
u
r
e
8
.
Ma
g
ellan
w
eb
s
ite
i
n
t
er
f
ac
e
f
o
r
NB
-
I
o
T
r
an
g
e
test
in
g
Fig
u
r
e
9
.
Diag
r
a
m
o
f
NB
-
I
o
T
tr
an
s
m
is
s
io
n
te
s
ti
n
g
a
n
d
ce
ll t
o
w
er
lin
k
s
ca
n
ap
p
licatio
n
[
s
o
u
r
ce
o
f
m
ap
s
:
Go
o
g
le
m
ap
an
d
ce
ll to
w
er
ap
p
licatio
n
]
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
I
n
th
is
s
ec
tio
n
,
w
e
p
r
o
v
id
e
a
th
o
r
o
u
g
h
ass
e
s
s
m
en
t
o
f
th
e
w
ir
ele
s
s
p
er
f
o
r
m
a
n
ce
r
esu
l
ts
f
r
o
m
o
u
r
r
esear
ch
.
T
h
is
p
ap
er
ev
alu
ates
th
e
R
SS
I
an
d
P
L
R
u
s
in
g
Z
i
g
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
ac
r
o
s
s
v
ar
io
u
s
test
p
o
in
t
s
(
T
P
s
)
in
th
e
b
u
ild
in
g
.
3
.
1
.
Rec
eiv
ed
s
ig
na
l st
re
ng
t
h
ind
ica
t
o
r
m
ea
s
uring
o
f
Z
ig
B
ee
ca
s
es
T
ab
le
2
p
r
esen
ts
th
e
m
ea
s
u
r
e
m
en
t
r
esu
lt
s
o
f
R
SS
I
an
d
p
ac
k
et
lo
s
s
f
o
r
Z
ig
B
ee
in
a
n
in
d
o
o
r
s
ce
n
ar
io
.
T
h
e
r
esu
lts
s
h
o
w
t
h
at
d
ata
tr
an
s
m
i
s
s
io
n
w
as
s
u
cc
e
s
s
f
u
l
f
r
o
m
test
p
o
in
ts
o
n
th
e
9
th
f
lo
o
r
to
th
e
1
0
th
f
lo
o
r
.
T
h
ese
test
p
o
in
ts
w
er
e
lo
ca
ted
in
th
e
ce
n
tr
al
co
r
r
id
o
r
s
o
f
th
e
b
u
ild
in
g
,
w
it
h
th
e
m
ai
n
b
ar
r
i
er
s
b
ein
g
th
e
f
lo
o
r
s
an
d
o
th
er
ce
ilin
g
s
.
T
h
er
ef
o
r
e,
th
is
co
n
f
ig
u
r
atio
n
allo
w
ed
f
o
r
s
u
cc
ess
f
u
l
d
ata
tr
an
s
m
is
s
io
n
f
r
o
m
s
o
m
e
o
f
th
e
p
o
in
ts
o
n
t
h
e
9
th
f
lo
o
r
.
Sig
n
al
s
tr
en
g
th
s
v
ar
ied
f
r
o
m
-
6
5
.
5
to
-
8
7
.
5
d
B
m
at
v
ar
io
u
s
tes
t
p
o
in
ts
.
No
d
es
n
ea
r
er
to
th
e
XB
ee
co
o
r
d
in
ato
r
ex
h
ib
it
ed
s
tr
o
n
g
er
R
SS
I
v
al
u
e
s
th
a
n
th
o
s
e
f
ar
th
er
a
w
a
y
.
T
h
is
p
atter
n
r
ein
f
o
r
ce
s
th
e
b
asic
la
w
s
o
f
s
ig
n
al
p
r
o
p
ag
a
tio
n
,
w
h
ic
h
i
n
d
icate
t
h
at
p
o
w
er
d
ec
r
ea
s
es
w
i
th
i
n
cr
ea
s
i
n
g
d
is
ta
n
ce
f
r
o
m
th
e
s
o
u
r
ce
d
u
e
to
s
p
ac
e
lo
s
s
f
ac
to
r
s
.
T
h
e
s
tu
d
y
e
s
tab
lis
h
ed
t
h
at
t
h
e
9
th
f
lo
o
r
h
ad
a
s
o
lid
an
d
r
elia
b
le
co
m
m
u
n
icatio
n
lin
k
,
w
it
h
n
o
p
ac
k
et
lo
s
s
es
d
esp
ite
s
ig
n
al
atten
u
ati
o
n
.
I
n
co
n
tr
ast,
th
er
e
w
er
e
n
o
s
ig
n
al
s
o
n
th
e
8
th
f
lo
o
r
,
an
d
th
e
p
ac
k
et
lo
s
s
r
ate
w
a
s
1
0
0
%
at
ea
ch
m
ea
s
u
r
e
m
en
t
p
o
in
t.
T
h
e
s
u
d
d
en
d
r
o
p
in
s
i
g
n
al
co
u
ld
i
m
p
l
y
t
h
at
it
w
a
s
in
ter
r
u
p
ted
b
y
v
ar
io
u
s
b
u
i
ld
in
g
b
ar
r
ier
s
,
w
h
ich
ac
c
u
m
u
la
ted
an
d
u
lti
m
atel
y
ca
u
s
ed
atten
u
atio
n
o
r
ex
ce
ed
ed
a
cr
itical
d
is
tan
ce
t
h
r
es
h
o
ld
.
T
h
is
r
es
u
l
t
s
u
g
g
est
s
t
h
at
alt
h
o
u
g
h
Z
i
g
B
ee
ca
n
m
ai
n
tai
n
s
i
g
n
al
i
n
te
g
r
i
t
y
ac
r
o
s
s
m
u
ltip
le
lev
els
i
n
th
i
s
b
u
ild
i
n
g
s
tr
u
ct
u
r
e,
its
ef
f
ec
t
iv
e
d
is
ta
n
ce
is
li
m
it
ed
.
T
h
e
lack
o
f
d
ata
o
n
th
e
8
th
f
lo
o
r
d
em
o
n
s
tr
ate
s
th
at
t
h
er
e
is
a
n
ee
d
to
ap
p
ly
m
es
h
n
e
t
w
o
r
k
i
n
g
b
y
Z
i
g
B
ee
to
ex
ten
d
t
h
e
n
et
w
o
r
k
a
n
d
r
ep
ea
t
s
ig
n
als
to
co
p
e
w
it
h
t
h
ese
co
n
s
tr
ai
n
ts
.
D
i
s
t
a
n
c
e
=
4
5
8
m
B
a
s
e
s
t
a
t
i
o
n
N
B
-
I
o
T
d
e
v
i
c
e
T
e
s
t
b
e
d
b
u
i
l
d
i
n
g
T
P
1
T
P
2
T
P
3
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4864
C
o
mp
a
r
a
tive
a
n
a
lysi
s
o
f Zig
B
ee
,
Lo
R
a
,
a
n
d
N
B
-
I
o
T in
a
s
m
a
r
t b
u
ild
in
g
:
a
d
v
a
n
ta
g
es
…
(
Ta
n
a
ko
r
n
I
n
th
a
s
u
t
h
)
171
T
ab
le
2
.
T
h
e
d
atasets
o
f
Z
i
g
B
ee
r
an
g
e
test
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
(
d
B
m)
̅
̅
̅
̅
̅
̅
(
d
B
m)
(
%)
1
2
3
4
5
6
7
8
9
10
F
l
o
o
r
1
0
(
1
)
-
65
-
64
-
64
-
65
-
66
-
67
-
67
-
66
-
65
-
66
-
6
5
.
5
0
F
l
o
o
r
1
0
(
2
)
-
73
-
75
-
75
-
73
-
76
-
77
-
70
-
70
-
73
-
73
-
7
3
.
5
0
F
l
o
o
r
9
(
3
)
-
85
-
84
-
84
-
85
-
84
-
84
-
84
-
84
-
84
-
84
-
8
4
.
2
0
F
l
o
o
r
9
(
4
)
-
86
-
89
-
87
-
86
-
89
-
86
-
88
-
89
-
87
-
88
-
8
7
.
5
0
F
l
o
o
r
9
(
5
)
-
74
-
74
-
74
-
74
-
74
-
74
-
74
-
74
-
73
-
74
-
7
3
.
9
0
F
l
o
o
r
8
(
6
)
N
/
A
N
/
A
1
0
0
F
l
o
o
r
8
(
7
)
N
/
A
N
/
A
1
0
0
F
l
o
o
r
8
(
8
)
N
/
A
N
/
A
1
0
0
3.
2
.
Rec
eiv
ed
s
ig
na
l st
re
ng
t
h ind
ica
t
o
r
m
ea
s
uring
o
f
lo
ng
ra
ng
e
ca
s
es
T
h
is
ex
p
er
i
m
e
n
t
ai
m
ed
to
ass
e
s
s
t
h
e
in
d
o
o
r
w
ir
eles
s
tr
an
s
m
i
s
s
io
n
ca
p
ab
ilit
ie
s
o
f
L
o
R
a
tec
h
n
o
lo
g
y
i
n
a
s
ev
e
n
-
s
to
r
y
b
u
ild
i
n
g
(
4
th
to
1
0
th
f
lo
o
r
s
)
,
co
n
s
id
er
in
g
s
ig
n
a
l
p
en
etr
atio
n
th
r
o
u
g
h
s
tr
u
ct
u
r
al
o
b
s
tacle
s
s
u
c
h
a
s
w
all
s
a
n
d
ce
ilin
g
s
.
W
e
ad
d
ed
t
w
o
-
g
a
in
a
n
te
n
n
a
s
(
-
4
a
n
d
2
d
B
i)
to
co
m
p
ar
e
p
er
f
o
r
m
a
n
c
e.
T
h
is
s
etu
p
w
a
s
s
i
m
ilar
to
th
e
Z
ig
B
ee
ex
p
er
i
m
en
t,
b
u
t t
h
e
te
s
t i
n
v
o
lv
ed
a
m
o
d
if
ied
f
lo
o
r
p
lan
.
T
ab
les
3
an
d
4
p
r
esen
t
th
e
R
SS
I
m
ea
s
u
r
e
m
e
n
t
s
an
d
p
ac
k
et
lo
s
s
p
er
ce
n
tag
es
at
d
if
f
er
en
t
test
p
o
in
ts
w
it
h
i
n
th
e
b
u
ild
in
g
,
u
s
in
g
t
w
o
d
if
f
er
en
t
a
n
ten
n
a
g
a
in
s
f
r
o
m
ele
m
e
n
t1
4
s
ite
[
2
2
]
.
T
o
d
eter
m
i
n
e
th
e
p
er
f
o
r
m
a
n
ce
o
f
L
o
R
a
i
n
ca
s
es
o
f
p
o
w
er
atte
n
u
at
io
n
a
n
d
in
ter
f
er
en
ce
,
it
is
e
s
s
e
n
tial
t
o
co
m
p
ar
e
L
o
R
a
’
s
p
er
f
o
r
m
a
n
ce
w
it
h
d
if
f
er
e
n
t
an
t
en
n
a
g
ai
n
s
.
W
ith
a
n
an
ten
n
a
g
ain
o
f
-
4
d
B
i,
L
o
R
a
co
u
ld
tr
an
s
m
i
t
th
r
o
u
g
h
u
p
to
6
f
lo
o
r
s
,
w
it
h
R
S
SI
v
a
lu
e
s
b
etw
ee
n
-
7
2
an
d
-
102
.5
d
B
m
,
w
h
ic
h
d
e
m
o
n
s
tr
ates
ex
ten
s
i
v
e
co
v
er
ag
e.
Nev
er
th
e
less
,
w
h
en
t
h
e
an
te
n
n
a
g
ain
w
as
s
et
to
-
4
d
B
i,
a
h
ig
h
lev
el
o
f
p
ac
k
et
lo
s
s
w
a
s
o
b
s
er
v
ed
,
esp
ec
iall
y
as
th
e
s
i
g
n
al
m
o
v
ed
o
v
er
g
r
ea
ter
d
is
tan
ce
s
o
r
th
r
o
u
g
h
th
ic
k
er
o
b
j
ec
ts
.
On
th
e
co
n
tr
ar
y
,
w
h
e
n
th
e
a
n
te
n
n
a
g
ai
n
w
a
s
ch
an
g
ed
to
2
d
B
i,
L
o
R
a
s
h
o
w
ed
g
o
o
d
p
er
f
o
r
m
an
ce
i
n
ter
m
s
o
f
s
tr
en
g
t
h
an
d
s
ig
n
ali
n
g
r
eliab
ilit
y
,
w
it
h
R
SS
I
v
alu
e
s
b
et
w
ee
n
-
62
.1
an
d
-
103
.6
d
B
m
.
Su
c
h
e
m
p
h
a
s
is
h
i
g
h
l
ig
h
ts
th
e
i
m
p
o
r
tan
ce
o
f
an
te
n
n
a
ar
r
an
g
e
m
en
t
s
in
i
m
p
r
o
v
in
g
s
ig
n
al
p
er
m
ea
b
ilit
y
a
n
d
o
v
er
all
co
m
m
u
n
ica
tio
n
d
ep
en
d
ab
ilit
y
in
co
m
p
le
x
en
v
ir
o
n
m
e
n
t
s
.
T
ab
le
3
.
T
h
e
d
atasets
o
f
L
o
R
a
r
an
g
e
test
(
a
n
te
n
n
a
g
ai
n
=
-
4
d
B
i)
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
(
d
B
m)
̅
̅
̅
̅
̅
̅
(
dBm
)
(
%)
1
2
3
4
5
6
7
8
9
10
F
l
o
o
r
1
0
(
1
)
-
72
-
69
-
73
-
75
-
72
-
72
-
73
-
73
-
72
-
75
-
7
2
.
6
0
F
l
o
o
r
1
0
(
2
)
-
83
-
82
-
82
-
79
-
78
-
82
-
83
-
84
-
83
-
83
-
8
1
.
9
0
F
l
o
o
r
7
(
3
)
-
1
0
3
-
1
0
3
-
1
0
3
-
1
0
4
-
1
0
3
-
1
0
3
-
1
0
3
-
1
0
0
-
1
0
3
-
1
0
4
-
1
0
2
.
9
0
F
l
o
o
r
7
(
4
)
-
1
0
6
-
1
0
3
-
1
0
7
-
1
0
6
-
1
0
6
-
1
0
6
-
1
0
6
-
1
0
7
-
1
0
6
-
1
0
6
-
1
0
5
.
9
0
F
l
o
o
r
7
(
5
)
-
1
0
7
-
1
0
3
-
1
0
7
N
/
A
-
1
0
6
-
1
0
7
-
1
0
7
-
1
0
3
-
1
0
7
-
1
0
3
-
1
0
5
.
6
10
F
l
o
o
r
4
(
6
)
-
1
0
3
N
/
A
N
/
A
N
/
A
-
1
0
1
-
1
0
7
-
1
0
7
-
1
0
7
N
/
A
N
/
A
-
1
0
5
.
0
50
F
l
o
o
r
4
(
7
)
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
1
0
0
F
l
o
o
r
4
(
8
)
N
/
A
N
/
A
N
/
A
N
/
A
-
1
0
1
-
1
0
1
N
/
A
N
/
A
-
1
0
2
-
1
0
6
-
1
0
2
.
5
60
T
ab
le
4
.
T
h
e
d
atasets
o
f
L
o
R
a
r
an
g
e
test
(
a
n
te
n
n
a
g
ai
n
=2
d
B
i)
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
(
d
B
m)
̅
̅
̅
̅
̅
̅
(
d
Bm
)
(
%)
1
2
3
4
5
6
7
8
9
10
F
l
o
o
r
1
0
(
1
)
-
63
-
63
-
62
-
63
-
62
-
62
-
59
-
63
-
62
-
62
-
6
2
.
1
0
F
l
o
o
r
1
0
(
2
)
-
77
-
79
-
79
-
82
-
78
-
80
-
80
-
80
-
80
-
80
-
7
9
.
5
0
F
l
o
o
r
7
(
3
)
-
95
-
94
-
95
-
95
-
95
-
91
-
95
-
96
-
95
-
95
-
9
4
.
6
0
F
l
o
o
r
7
(
4
)
-
1
0
2
-
1
0
2
-
1
0
2
-
99
-
1
0
2
-
1
0
3
-
1
0
2
-
99
-
1
0
2
-
1
0
1
-
1
0
1
.
4
0
F
l
o
o
r
7
(
5
)
-
1
0
3
-
1
0
1
-
1
0
2
-
1
0
2
-
1
0
2
-
1
0
3
-
1
0
3
-
1
0
3
-
97
-
1
0
3
-
1
0
1
.
9
0
F
l
o
o
r
4
(
6
)
-
1
0
2
-
1
0
2
-
1
0
2
-
1
0
2
-
1
0
1
-
1
0
1
-
1
0
2
-
1
0
2
-
1
0
2
-
1
0
2
-
1
0
1
.
8
0
F
l
o
o
r
4
(
7
)
N
/
A
N
/
A
N
/
A
N
/
A
N
/
A
-
99
-
1
0
4
N
/
A
-
1
0
4
N
/
A
-
1
0
2
.
3
70
F
l
o
o
r
4
(
8
)
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
4
-
1
0
0
-
1
0
4
-
1
0
3
.
6
0
3.
3
.
Rec
eiv
ed
s
ig
na
l st
re
ng
t
h ind
ica
t
o
r
m
ea
s
uring
o
f
n
a
rr
o
w
ba
nd
inte
rnet
o
f
t
hin
g
s
c
a
s
es
I
n
th
is
p
ar
t,
w
e
co
v
er
NB
-
I
o
T
r
an
g
e
test
in
g
,
d
e
m
o
n
s
tr
at
in
g
th
e
f
u
ll
p
o
ten
tial
o
f
th
e
tech
n
o
lo
g
y
to
tr
an
s
m
it
d
ata
ac
r
o
s
s
all
th
e
m
aj
o
r
f
lo
o
r
s
o
f
th
e
test
b
ed
b
u
ild
in
g
(
1
st
,
5
th
,
an
d
1
0
th
f
lo
o
r
s
)
.
On
th
e
1
st
f
lo
o
r
,
as
ca
n
b
e
s
ee
n
f
r
o
m
T
ab
le
5
,
d
e
s
p
ite
th
e
lo
w
R
S
SI
v
al
u
e
ca
u
s
ed
b
y
o
b
s
tr
u
c
tio
n
s
in
t
h
e
b
u
il
d
in
g
s
tr
u
ct
u
r
e,
NB
-
I
o
T
ex
p
er
ien
ce
d
n
o
p
ac
k
et
lo
s
s
an
d
th
e
tr
an
s
m
i
s
s
io
n
w
as
n
o
t
in
ter
r
u
p
ted
.
T
h
is
p
r
o
v
es
its
g
r
ea
t
r
eliab
ilit
y
i
n
th
e
in
d
o
o
r
en
v
ir
o
n
m
en
t.
T
h
e
ab
ilit
y
to
co
n
tin
u
e
r
ec
eiv
in
g
R
SS
I
s
i
g
n
al
d
ata
ac
r
o
s
s
d
if
f
e
r
en
t
f
lo
o
r
s
an
d
th
e
ab
s
en
ce
o
f
r
ep
o
r
ted
p
ac
k
et
lo
s
s
d
e
m
o
n
s
tr
ate
NB
-
I
o
T
as
a
r
o
b
u
s
t
tech
n
o
lo
g
y
t
h
at
ca
n
o
v
er
co
m
e
p
h
y
s
ical
o
b
s
tacle
s
i
n
b
u
i
ld
in
g
ar
ea
s
w
i
th
r
eliab
ilit
y
a
n
d
e
f
f
ec
tiv
e
n
e
s
s
in
o
p
er
at
io
n
.
T
h
e
w
ea
k
s
ig
n
a
l
o
n
t
h
e
1
st
f
lo
o
r
is
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4864
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
14
,
No
.
1
,
Ma
r
c
h
2
0
2
5
:
1
6
5
-
175
172
p
r
o
b
a
b
ly
d
u
e
to
s
i
g
n
al
atten
u
atio
n
clo
s
e
to
th
e
b
u
ild
i
n
g
's
s
t
r
u
ctu
r
al
ele
m
e
n
ts
.
T
h
e
tech
n
o
lo
g
y
's
p
er
f
o
r
m
an
c
e
w
a
s
n
o
t
co
m
p
r
o
m
is
ed
,
i
n
d
icat
in
g
t
h
at
t
h
e
s
i
g
n
als
h
ad
a
w
e
ll
-
p
en
etr
atin
g
c
h
ar
ac
ter
an
d
t
h
at
th
e
tec
h
n
o
lo
g
y
ca
n
b
e
ap
p
lied
in
co
m
p
lex
u
r
b
an
s
ettin
g
s
.
T
ab
le
5
.
T
h
e
d
atasets
o
f
N
B
-
I
o
T
r
an
g
e
test
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
(
d
B
m)
̅
̅
̅
̅
̅
̅
(
d
B
m)
(
%)
1
2
3
4
5
6
7
8
9
10
F
l
o
o
r
1
0
(
1
)
-
61
-
63
-
63
-
63
-
63
-
63
-
61
-
61
-
61
-
63
-
6
2
.
2
0
F
l
o
o
r
1
0
(
2
)
-
55
-
57
-
55
-
55
-
57
-
55
-
57
-
55
-
55
-
55
-
5
5
.
6
0
F
l
o
o
r
1
0
(
3
)
-
65
-
63
-
65
-
63
-
65
-
65
-
65
-
65
-
65
-
67
-
6
4
.
8
0
F
l
o
o
r
5
(
4
)
-
65
-
65
-
65
-
67
-
67
-
65
-
63
-
65
-
65
-
65
-
6
5
.
2
0
F
l
o
o
r
5
(
5
)
-
65
-
65
-
65
-
65
-
65
-
65
-
65
-
65
-
65
-
67
-
6
5
.
2
0
F
l
o
o
r
5
(
6
)
-
59
-
61
-
67
-
69
-
61
-
61
-
61
-
61
-
61
-
63
-
6
2
.
4
0
F
l
o
o
r
1
(
7
)
-
73
-
77
-
73
-
73
-
75
-
75
-
73
-
73
-
73
-
73
-
7
3
.
8
0
F
l
o
o
r
1
(
8
)
-
73
-
75
-
75
-
73
-
75
-
75
-
75
-
75
-
75
-
75
-
7
4
.
6
0
F
l
o
o
r
1
(
9
)
-
71
-
71
-
71
-
71
-
67
-
69
-
69
-
69
-
69
-
69
-
6
9
.
6
0
3.
4
.
Wirele
s
s
t
ec
hn
o
lo
g
ies
co
m
pa
ri
s
o
n
T
h
is
s
ec
tio
n
p
r
esen
ts
a
co
n
cl
u
s
i
v
e
co
m
p
ar
is
o
n
o
f
v
ar
io
u
s
w
ir
ele
s
s
p
r
o
to
co
l
p
er
f
o
r
m
a
n
c
es
w
it
h
i
n
a
m
u
lti
-
s
to
r
y
o
f
f
ice
b
u
ild
i
n
g
e
n
v
ir
o
n
m
en
t,
in
te
g
r
ati
n
g
d
ata
f
r
o
m
s
ec
tio
n
s
3
.
1
to
3
.
3
.
Ou
r
a
n
al
y
s
i
s
th
o
r
o
u
g
h
l
y
ex
p
lo
r
es
th
e
ca
p
ab
ilit
ies
o
f
d
if
f
er
en
t
w
ir
ele
s
s
tec
h
n
o
lo
g
ies,
s
u
c
h
as
Z
ig
B
ee
an
d
L
o
R
a,
t
o
o
v
er
co
m
e
p
o
w
er
lo
s
s
es,
o
b
s
tacle
s
,
a
n
d
in
ter
f
er
en
ce
t
y
p
ical
i
n
u
r
b
a
n
s
etti
n
g
s
.
In
(
3
)
d
ef
in
es
d
as:
=
√
2
+
2
(
3
)
w
h
er
e
d
is
th
e
d
is
ta
n
ce
b
et
w
ee
n
th
e
w
ir
ele
s
s
tr
an
s
m
itter
an
d
r
ec
eiv
er
,
x
r
ep
r
esen
ts
th
e
h
o
r
izo
n
tal
d
is
ta
n
ce
ac
r
o
s
s
th
e
b
u
ild
in
g
,
a
n
d
y
r
ep
r
esen
ts
t
h
e
v
er
tical
d
is
ta
n
c
e
b
et
w
ee
n
t
h
e
f
lo
o
r
s
w
ith
in
th
e
b
u
i
ld
in
g
.
T
h
e
ex
p
o
s
itio
n
i
n
T
ab
le
6
d
em
o
n
s
t
r
ates
th
e
ef
f
ec
ti
v
en
e
s
s
o
f
Z
i
g
B
ee
in
s
ce
n
ar
io
s
w
h
er
e
r
an
g
e
is
test
ed
.
I
t
co
n
f
ir
m
s
th
at
Z
i
g
B
ee
ca
n
m
a
in
ta
in
h
i
g
h
d
ata
tr
a
n
s
m
is
s
io
n
e
v
e
n
with
p
h
y
s
ica
l
o
b
s
tacle
s
s
u
c
h
a
s
w
alls
a
n
d
f
lo
o
r
s
.
A
cc
o
r
d
in
g
to
th
e
d
ata
in
th
is
tab
le,
th
er
e
is
n
o
p
ac
k
et
lo
s
s
o
v
er
v
ar
io
u
s
d
is
tan
ce
s
an
d
en
v
ir
o
n
m
e
n
ta
l
co
n
d
itio
n
s
,
i
n
d
icati
n
g
co
n
s
is
te
n
t a
n
d
r
o
b
u
s
t s
ig
n
al
s
tr
en
g
th
.
T
ab
le
7
also
d
o
es
a
th
o
r
o
u
g
h
an
al
y
s
i
s
o
f
th
e
r
a
n
g
e
test
o
u
t
co
m
e
s
,
p
r
o
v
in
g
t
h
e
f
u
n
c
tio
n
al
it
y
o
f
t
h
e
L
o
R
a
tech
n
o
lo
g
y
i
n
lo
n
g
d
is
tan
ce
co
m
m
u
n
icatio
n
a
n
d
in
m
u
lti
-
s
to
r
y
b
u
ild
i
n
g
s
.
T
h
e
an
al
y
s
i
s
d
elv
es
d
ee
p
l
y
in
to
a
s
ig
n
a
l
s
tr
en
g
t
h
tr
an
s
m
is
s
io
n
s
t
u
d
y
i
n
g
u
s
i
n
g
an
ten
n
a
s
h
av
i
n
g
g
ai
n
-
4
an
d
2
d
B
i.
T
h
e
o
u
tco
m
e
s
in
d
icat
e
th
at
at
h
i
g
h
er
d
is
tan
ce
s
an
d
p
ass
in
g
m
o
r
e
f
lo
o
r
s
f
o
r
es
u
s
in
g
t
h
e
-
4
d
B
i
an
ten
n
a,
th
e
r
ate
o
f
p
ac
k
et
lo
s
s
in
cr
ea
s
es,
w
h
ile
t
h
e
2
d
B
i a
n
ten
n
a
co
n
f
i
g
u
r
atio
n
y
ield
s
s
i
g
n
i
f
ican
tl
y
b
etter
p
er
f
o
r
m
an
ce
.
T
ab
le
8
h
ig
h
li
g
h
ts
NB
-
I
o
T
'
s
ab
ilit
y
to
d
eliv
er
s
tr
o
n
g
s
ig
n
als
ac
r
o
s
s
d
is
ta
n
ce
s
u
p
to
4
5
8
m
eter
s
w
it
h
o
u
t
an
y
d
ata
lo
s
s
,
s
h
o
w
c
asin
g
its
r
eliab
le
co
v
er
ag
e
i
n
d
en
s
e
u
r
b
an
en
v
ir
o
n
m
en
ts
a
n
d
ef
f
ec
ti
v
e
s
ig
n
al
p
en
etr
atio
n
i
n
m
u
lti
-
s
to
r
y
b
u
i
ld
in
g
s
,
ev
e
n
a
m
id
s
t
t
h
e
co
m
p
lex
itie
s
o
f
u
r
b
an
in
f
r
astr
u
ct
u
r
e.
Fig
u
r
e
1
0
s
h
o
w
s
th
at
co
m
p
ar
i
n
g
Z
i
g
B
ee
,
L
o
R
a,
an
d
NB
-
I
o
T
tech
n
o
lo
g
ie
s
lead
s
to
f
u
n
d
a
m
e
n
tal
co
n
c
lu
s
io
n
s
ab
o
u
t
t
h
eir
ca
p
ab
ilit
ies
an
d
li
m
ita
tio
n
s
i
n
a
m
u
lt
i
-
s
to
r
ied
b
u
ild
in
g
s
ce
n
a
r
io
.
I
n
Fig
u
r
e
1
0
(
a)
,
Z
ig
B
ee
ex
h
ib
it
s
a
s
tr
o
n
g
a
n
d
s
tab
le
s
ig
n
al
f
o
r
in
d
o
o
r
ap
p
li
ca
tio
n
s
,
w
it
h
o
n
l
y
a
s
li
g
h
t
d
ec
r
ea
s
e
in
s
tr
en
g
t
h
o
v
er
d
is
tan
ce
.
Ho
w
e
v
er
,
it
is
s
u
itab
le
f
o
r
s
h
o
r
t
-
to
m
ed
i
u
m
-
r
an
g
e
co
m
m
u
n
icatio
n
b
et
w
e
en
t
w
o
f
lo
o
r
s
.
A
s
i
ll
u
s
tr
ated
in
Fig
u
r
e
1
0
(
b
)
,
th
e
ad
j
u
s
tab
le
an
ten
n
a
g
ai
n
s
o
f
L
o
R
a
allo
w
m
o
r
e
s
ig
n
al
p
e
n
etr
atio
n
an
d
d
ep
en
d
ab
ilit
y
i
n
s
u
ch
co
m
p
le
x
u
r
b
an
en
v
ir
o
n
m
e
n
t
s
.
T
h
e
r
esu
ltan
t
R
SS
I
v
al
u
e
s
also
in
d
icate
th
e
ef
f
ec
t
o
f
d
if
f
er
e
n
tial
i
m
p
ac
t
o
n
s
ig
n
al
q
u
alit
y
o
w
i
n
g
to
v
ar
io
u
s
a
n
te
n
n
a
g
ai
n
s
t
h
at
s
u
p
p
o
r
t
p
r
io
r
f
in
d
in
g
s
b
y
A
r
tu
r
et
a
l.
[
2
3
]
.
I
n
Fig
u
r
e
1
0
(
c)
,
w
e
s
ee
NB
-
I
o
T
,
ch
ar
ac
ter
ized
b
y
a
s
tab
le
s
ig
n
a
l
an
d
n
o
p
ac
k
et
lo
s
s
.
T
h
is
r
es
u
lt
ag
r
ee
s
w
it
h
[
2
4
]
,
[
2
5
]
,
w
h
ich
s
tate
th
a
t
NB
-
I
o
T
en
ab
les
th
e
m
ai
n
ten
an
ce
o
f
h
i
g
h
l
y
r
e
s
ilie
n
t
c
o
m
m
u
n
icat
io
n
s
w
i
th
i
n
v
ast
m
etr
o
p
o
litan
ar
ea
s
.
I
t
is
ess
e
n
tial
f
o
r
th
e
r
eliab
ilit
y
o
f
ap
p
licatio
n
s
w
h
er
e
co
m
p
r
e
h
e
n
s
i
v
e
co
v
er
a
g
e
an
d
d
ee
p
p
r
o
p
ag
atio
n
i
n
to
d
en
s
e
s
tr
u
ct
u
r
es a
r
e
r
eq
u
ir
ed
.
T
ab
le
6
.
T
h
e
r
esu
lt su
m
m
ar
y
o
f
Z
ig
B
ee
r
an
g
e
test
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
N
o
.
c
r
o
ss
-
f
l
o
o
r
D
i
st
a
n
c
e
(
m)
̅
̅
̅
̅
̅
̅
(
d
B
m)
(
%)
F
l
o
o
r
1
0
(
1
)
0
2
0
.
0
-
6
5
.
5
0
F
l
o
o
r
1
0
(
2
)
0
4
0
.
0
-
7
3
.
5
0
F
l
o
o
r
9
(
3
)
1
4
.
0
-
8
4
.
2
0
F
l
o
o
r
9
(
4
)
1
2
0
.
4
-
8
7
.
5
0
F
l
o
o
r
9
(
5
)
1
4
0
.
2
-
7
3
.
9
0
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4864
C
o
mp
a
r
a
tive
a
n
a
lysi
s
o
f Zig
B
ee
,
Lo
R
a
,
a
n
d
N
B
-
I
o
T in
a
s
m
a
r
t b
u
ild
in
g
:
a
d
v
a
n
ta
g
es
…
(
Ta
n
a
ko
r
n
I
n
th
a
s
u
t
h
)
173
T
ab
le
7
.
T
h
e
r
esu
lt su
m
m
ar
y
o
f
L
o
R
a
r
an
g
e
test
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
N
o
.
c
r
o
ss
-
f
l
o
o
r
D
i
st
a
n
c
e
(
m)
-
4
d
B
i
2
d
B
i
̅
̅
̅
̅
̅
̅
(
dBm
)
(
%)
̅
̅
̅
̅
̅
̅
(
d
B
m)
(
%)
F
l
o
o
r
1
0
(
1
)
0
2
0
.
0
-
7
2
.
6
0
-
6
2
.
1
0
F
l
o
o
r
1
0
(
2
)
0
4
0
.
0
-
8
1
.
9
0
-
7
9
.
5
0
F
l
o
o
r
7
(
3
)
3
1
2
.
0
-
1
0
2
.
9
0
-
9
4
.
6
0
F
l
o
o
r
7
(
4
)
3
2
3
.
3
-
1
0
5
.
9
0
-
1
0
1
.
4
0
F
l
o
o
r
7
(
5
)
3
4
1
.
8
-
1
0
5
.
6
10
-
1
0
1
.
9
0
F
l
o
o
r
4
(
6
)
6
2
4
.
0
-
1
0
5
.
0
50
-
1
0
1
.
8
0
F
l
o
o
r
4
(
7
)
6
3
1
.
2
N
/
A
1
0
0
-
1
0
2
.
3
70
F
l
o
o
r
4
(
8
)
6
4
6
.
6
-
1
0
2
.
5
60
-
1
0
3
.
6
0
T
ab
le
8
.
T
h
e
r
esu
lt su
m
m
ar
y
o
f
NB
-
I
o
T
r
an
g
e
test
F
l
o
o
r
(
t
e
st
p
o
i
n
t
)
N
o
.
c
r
o
ss
-
f
l
o
o
r
D
i
st
a
n
c
e
(
m)
̅
̅
̅
̅
̅
̅
(
d
B
m)
(
%)
F
l
o
o
r
1
0
(
1
)
N
/
A
4
5
8
m
(
A
p
p
r
o
x
mat
e
d
)
-
6
2
.
2
0
F
l
o
o
r
1
0
(
2
)
-
5
5
.
6
0
F
l
o
o
r
1
0
(
3
)
-
6
4
.
8
0
F
l
o
o
r
5
(
4
)
-
6
5
.
2
0
F
l
o
o
r
5
(
5
)
-
6
5
.
2
0
F
l
o
o
r
5
(
6
)
-
6
2
.
4
0
F
l
o
o
r
1
(
7
)
-
7
3
.
8
0
F
l
o
o
r
1
(
8
)
-
7
4
.
6
0
F
l
o
o
r
1
(
9
)
-
6
9
.
6
0
(
a)
(
b
)
(
c)
Fig
u
r
e
1
0
.
C
o
m
p
ar
ativ
e
a
n
a
l
y
s
is
o
f
R
SS
I
m
ea
s
u
r
e
m
e
n
t
s
an
d
p
ac
k
et
l
o
s
s
p
er
ce
n
ta
g
es
a
cr
o
s
s
t
est
p
o
in
t
s
f
o
r
(
a)
Z
ig
B
ee
,
(
b
)
L
o
R
a,
an
d
(
c)
NB
-
I
o
T
tech
n
o
lo
g
ies
R
S
S
I
(
d
B
m)
R
S
S
I
(
d
B
m)
R
S
S
I
(
d
B
m)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4864
I
n
t J
R
ec
o
n
f
i
g
u
r
ab
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
14
,
No
.
1
,
Ma
r
c
h
2
0
2
5
:
1
6
5
-
175
174
4.
CO
NCLU
SI
O
N
T
h
is
p
ap
er
ev
alu
ate
s
Z
ig
B
ee
,
L
o
R
a,
a
n
d
NB
-
I
o
T
f
o
r
s
m
ar
t
b
u
ild
in
g
s
in
m
u
lti
-
s
to
r
y
o
f
f
ice
-
r
esid
en
tial
s
p
ac
es.
Z
ig
B
ee
e
n
s
u
r
es
r
eliab
le
co
m
m
u
n
icat
io
n
o
v
er
m
o
d
e
r
ate
d
is
tan
ce
s
,
id
ea
l
f
o
r
d
en
s
e
s
en
s
o
r
n
et
w
o
r
k
s
.
L
o
R
a,
w
i
th
its
ad
j
u
s
tab
le
a
n
te
n
n
a
g
ai
n
s
,
ad
ap
ts
to
co
m
p
lex
en
v
ir
o
n
m
e
n
t
s
,
en
s
u
r
i
n
g
s
i
g
n
al
p
en
etr
atio
n
ac
r
o
s
s
m
u
ltip
le
f
lo
o
r
s
.
NB
-
I
o
T
o
f
f
er
s
b
r
o
ad
co
v
er
ag
e
an
d
r
o
b
u
s
t
s
ig
n
al
s
tr
e
n
g
t
h
,
s
u
itab
le
f
o
r
u
r
b
an
s
ettin
g
s
w
it
h
d
en
s
e
s
tr
u
ct
u
r
es.
I
n
p
r
ac
tical
t
ests
,
Z
i
g
B
ee
ad
ap
ts
to
s
en
s
o
r
-
d
en
s
e
e
n
v
ir
o
n
m
e
n
t
s
,
L
o
R
a
o
v
er
co
m
e
s
s
tr
u
ct
u
r
al
b
ar
r
ie
r
s
in
m
u
l
ti
-
f
lo
o
r
s
ce
n
ar
io
s
,
an
d
NB
-
I
o
T
m
ai
n
tai
n
s
c
o
n
n
ec
ti
v
it
y
i
n
u
r
b
an
s
p
ac
es
w
it
h
h
i
g
h
m
ater
ial
d
en
s
it
y
.
Ou
r
an
al
y
s
i
s
u
s
e
s
R
SS
I
an
d
p
ac
k
et
lo
s
s
m
etr
ics
to
h
ig
h
lig
h
t
t
h
e
n
ec
ess
it
y
o
f
ch
o
o
s
in
g
th
e
r
ig
h
t
tech
n
o
lo
g
y
b
ased
o
n
t
h
e
en
v
ir
o
n
m
e
n
t
f
o
r
ef
f
icien
t
s
m
a
r
t
b
u
i
ld
in
g
n
et
w
o
r
k
d
esi
g
n
.
T
h
e
f
in
d
in
g
s
d
e
m
o
n
s
tr
ate
s
ca
lab
ilit
y
p
o
ten
tial
f
r
o
m
Z
ig
B
ee
’
s
s
h
o
r
t
-
r
a
n
g
e
p
r
o
f
icien
c
y
to
L
o
R
a
’
s
ex
te
n
s
iv
e
r
ea
ch
a
n
d
NB
-
I
o
T
’
s
u
r
b
a
n
co
n
n
ec
ti
v
it
y
g
u
id
i
n
g
I
o
T
in
teg
r
atio
n
i
n
u
r
b
an
i
n
f
r
astru
c
tu
r
es.
T
h
is
is
cr
u
cial
f
o
r
s
m
ar
t
cit
y
ad
v
a
n
ce
m
en
t
s
,
s
u
g
g
e
s
ti
n
g
f
u
tu
r
e
r
esear
ch
to
en
h
an
ce
m
u
lti
-
f
lo
o
r
co
m
m
u
n
icatio
n
s
b
y
co
m
b
in
i
n
g
th
es
e
tech
n
o
lo
g
ie
s
f
o
r
i
m
p
r
o
v
ed
w
ir
eless
li
n
k
p
er
f
o
r
m
an
ce
.
ACK
NO
WL
E
D
G
E
M
E
NT
S
T
h
e
au
th
o
r
s
th
a
n
k
th
e
Facu
l
t
y
o
f
E
n
g
i
n
ee
r
in
g
at
R
aj
a
m
a
n
g
ala
Un
iv
er
s
it
y
o
f
T
ec
h
n
o
lo
g
y
Sriv
i
j
ay
a
f
o
r
p
r
o
v
id
in
g
t
h
e
test
lo
ca
tio
n
an
d
th
e
s
t
u
d
en
ts
w
h
o
a
s
s
i
s
ted
w
it
h
t
h
e
tr
ials
.
RE
F
E
R
E
NC
E
S
[
1
]
L
.
R
.
S
u
z
u
k
i
,
“
S
mart
c
i
t
i
e
s
I
o
T:
e
n
a
b
l
e
r
s
a
n
d
t
e
c
h
n
o
l
o
g
y
r
o
a
d
ma
p
,
”
i
n
S
p
r
i
n
g
e
r
O
p
t
i
m
i
z
a
t
i
o
n
a
n
d
I
t
s
A
p
p
l
i
c
a
t
i
o
n
s
,
v
o
l
.
1
2
5
,
2
0
1
7
,
p
p
.
1
6
7
–
1
9
0
.
d
o
i
:
1
0
.
1
0
0
7
/
9
7
8
-
3
-
3
1
9
-
6
1
3
1
3
-
0
_
1
0
.
[
2
]
N
.
S
.
C
h
i
l
a
m
k
u
r
t
h
y
,
O
.
J.
P
a
n
d
e
y
,
A
.
G
h
o
sh
,
L
.
R
.
C
e
n
k
e
r
a
m
a
d
d
i
,
a
n
d
H
.
N
.
D
a
i
,
“
L
o
w
-
p
o
w
e
r
w
i
d
e
-
a
r
e
a
n
e
t
w
o
r
k
s:
a
b
r
o
a
d
o
v
e
r
v
i
e
w
o
f
i
t
s d
i
f
f
e
r
e
n
t
a
sp
e
c
t
s,”
I
EE
E
Ac
c
e
ss
,
v
o
l
.
1
0
,
p
p
.
8
1
9
2
6
–
8
1
9
5
9
,
2
0
2
2
,
d
o
i
:
1
0
.
1
1
0
9
/
A
C
C
ESS
.
2
0
2
2
.
3
1
9
6
1
8
2
.
[
3
]
V
.
L
.
N
g
u
y
e
n
,
P
.
C
.
L
i
n
,
a
n
d
R
.
H
.
H
w
a
n
g
,
“
En
e
r
g
y
d
e
p
l
e
t
i
o
n
a
t
t
a
c
k
s
i
n
l
o
w
p
o
w
e
r
w
i
r
e
l
e
ss
n
e
t
w
o
r
k
s,”
I
EEE
A
c
c
e
ss
,
v
o
l
.
7
,
p
p
.
5
1
9
1
5
–
5
1
9
3
2
,
2
0
1
9
,
d
o
i
:
1
0
.
1
1
0
9
/
A
C
C
ESS
.
2
0
1
9
.
2
9
1
1
4
2
4
.
[
4
]
M
.
A
.
A
l
b
r
e
e
m,
A
.
M
.
S
h
e
i
k
h
,
M
.
H
.
A
l
sh
a
r
i
f
,
M
.
Ju
so
h
,
a
n
d
M
.
N
.
M
o
h
d
Y
a
si
n
,
“
G
r
e
e
n
i
n
t
e
r
n
e
t
o
f
t
h
i
n
g
s
(
G
I
o
T
)
:
a
p
p
l
i
c
a
t
i
o
n
s,
p
r
a
c
t
i
c
e
s,
a
w
a
r
e
n
e
ss,
a
n
d
c
h
a
l
l
e
n
g
e
s,”
I
EEE
Ac
c
e
ss
,
v
o
l
.
9
,
p
p
.
3
8
8
3
3
–
3
8
8
5
8
,
2
0
2
1
,
d
o
i
:
1
0
.
1
1
0
9
/
A
C
C
ESS
.
2
0
2
1
.
3
0
6
1
6
9
7
.
[
5
]
A
.
K
h
a
l
i
f
e
h
,
F
.
M
a
z
u
n
g
a
,
A
.
N
e
c
h
i
b
v
u
t
e
,
a
n
d
B
.
M
.
N
y
a
mb
o
,
“
M
i
c
r
o
c
o
n
t
r
o
l
l
e
r
u
n
i
t
-
b
a
se
d
w
i
r
e
l
e
ss
se
n
so
r
n
e
t
w
o
r
k
n
o
d
e
s:
a
r
e
v
i
e
w
,
”
S
e
n
s
o
rs
,
v
o
l
.
2
2
,
n
o
.
2
2
,
2
0
2
2
,
d
o
i
:
1
0
.
3
3
9
0
/
s2
2
2
2
8
9
3
7
.
[
6
]
H
.
A
.
H
.
A
l
o
b
a
i
d
y
,
J.
S
.
M
a
n
d
e
e
p
,
R
.
N
o
r
d
i
n
,
a
n
d
N
.
F
.
A
b
d
u
l
l
a
h
,
“
A
r
e
v
i
e
w
o
n
Z
i
g
B
e
e
b
a
se
d
W
S
N
s:
C
o
n
c
e
p
t
s,
i
n
f
r
a
st
r
u
c
t
u
r
e
,
a
p
p
l
i
c
a
t
i
o
n
s,
a
n
d
c
h
a
l
l
e
n
g
e
s,
”
I
n
t
e
rn
a
t
i
o
n
a
l
J
o
u
r
n
a
l
o
f
E
l
e
c
t
ri
c
a
l
a
n
d
E
l
e
c
t
r
o
n
i
c
E
n
g
i
n
e
e
ri
n
g
&
T
e
l
e
c
o
m
m
u
n
i
c
a
t
i
o
n
s
,
v
o
l
.
9
,
n
o
.
3
,
p
p
.
1
8
9
-
1
9
8
,
M
a
y
2
0
2
0
.
d
o
i
:
1
0
.
1
8
1
7
8
/
i
j
e
e
t
c
.
9
.
3
.
1
8
9
-
1
9
8
.
[
7
]
J.
S
.
L
e
e
,
Y
.
W
.
S
u
,
a
n
d
C
.
C
.
S
h
e
n
,
“
A
c
o
mp
a
r
a
t
i
v
e
st
u
d
y
o
f
w
i
r
e
l
e
ss
p
r
o
t
o
c
o
l
s:
B
l
u
e
t
o
o
t
h
,
U
W
B
,
Z
i
g
B
e
e
,
a
n
d
W
i
-
F
i
,
”
I
EC
O
N
Pro
c
e
e
d
i
n
g
s (I
n
d
u
st
r
i
a
l
E
l
e
c
t
r
o
n
i
c
s C
o
n
f
e
r
e
n
c
e
)
,
p
p
.
4
6
–
5
1
,
2
0
0
7
,
d
o
i
:
1
0
.
1
1
0
9
/
I
EC
O
N
.
2
0
0
7
.
4
4
6
0
1
2
6
.
[
8
]
K
.
S
u
r
e
e
y
a
a
n
d
T
.
I
n
t
h
a
s
u
t
h
,
“
P
a
c
k
e
t
t
r
a
f
f
i
c
me
a
su
r
e
me
n
t
o
f
I
EEE1
8
8
8
w
r
i
t
e
p
r
o
c
e
d
u
r
e
b
e
t
w
e
e
n
Z
i
g
B
e
e
g
a
t
e
w
a
y
a
n
d
s
t
o
r
a
g
e
f
o
r
b
u
i
l
d
i
n
g
e
n
e
r
g
y
man
a
g
e
me
n
t
sy
st
e
m,”
i
n
3
4
t
h
I
n
t
e
r
n
a
t
i
o
n
a
l
T
e
c
h
n
i
c
a
l
C
o
n
f
e
re
n
c
e
o
n
C
i
r
c
u
i
t
s
/
S
y
st
e
m
s,
C
o
m
p
u
t
e
rs
a
n
d
C
o
m
m
u
n
i
c
a
t
i
o
n
s,
I
T
C
-
C
S
C
C
2
0
1
9
,
I
EEE,
Ju
n
.
2
0
1
9
,
p
p
.
1
–
4
.
d
o
i
:
1
0
.
1
1
0
9
/
I
T
C
-
C
S
C
C
.
2
0
1
9
.
8
7
9
3
4
3
7
.
[
9
]
T
.
I
n
t
h
a
su
t
h
,
P
.
U
a
r
c
h
o
o
j
i
t
t
,
W
.
B
o
o
n
so
n
g
,
a
n
d
N
.
K
a
e
w
t
h
o
n
g
,
“
T
i
me
-
b
a
se
d
p
e
r
f
o
r
man
c
e
a
n
a
l
y
si
s
o
f
n
a
r
r
o
w
b
a
n
d
i
n
t
e
r
n
e
t
o
f
t
h
i
n
g
s
(
N
B
-
I
o
T
)
f
o
r
p
a
r
t
i
c
u
l
a
t
e
ma
t
t
e
r
mo
n
i
t
o
r
i
n
g
sy
st
e
m,”
i
n
2
0
2
3
I
n
t
e
r
n
a
t
i
o
n
a
l
C
o
n
f
e
r
e
n
c
e
o
n
E
l
e
c
t
r
o
n
i
c
s,
I
n
f
o
rm
a
t
i
o
n
,
a
n
d
C
o
m
m
u
n
i
c
a
t
i
o
n
,
I
C
EI
C
2
0
2
3
,
I
EEE,
F
e
b
.
2
0
2
3
,
p
p
.
1
–
4
.
d
o
i
:
1
0
.
1
1
0
9
/
I
C
E
I
C
5
7
4
5
7
.
2
0
2
3
.
1
0
0
4
9
9
3
0
.
[
1
0
]
P
.
U
a
r
c
h
o
o
j
i
t
t
,
S
.
P
o
t
h
o
n
g
k
h
a
m,
T
.
K
o
n
g
n
a
r
o
n
g
,
W
.
B
o
o
n
so
n
g
,
C
.
S
a
ma
k
e
e
,
a
n
d
T
.
I
n
t
h
a
s
u
t
h
,
“
T
h
e
c
o
mm
u
n
i
c
a
t
i
o
n
l
i
n
k
a
n
a
l
y
si
s
o
f
Z
i
g
B
e
e
me
sh
n
e
t
w
o
r
k
s
u
si
n
g
r
e
c
e
i
v
e
d
si
g
n
a
l
s
t
r
e
n
g
t
h
i
n
d
i
c
a
t
o
r
(
R
S
S
I
)
f
o
r
t
h
e
a
g
r
i
c
u
l
t
u
r
a
l
sl
o
p
e
e
n
v
i
r
o
n
me
n
t
,
”
i
n
2
0
2
3
I
n
t
e
r
n
a
t
i
o
n
a
l
C
o
n
f
e
re
n
c
e
o
n
E
l
e
c
t
r
o
n
i
c
s
,
I
n
f
o
rm
a
t
i
o
n
,
a
n
d
C
o
m
m
u
n
i
c
a
t
i
o
n
,
I
C
EI
C
2
0
2
3
,
I
EEE,
F
e
b
.
2
0
2
3
,
p
p
.
1
–
4
.
d
o
i
:
1
0
.
1
1
0
9
/
I
C
E
I
C
5
7
4
5
7
.
2
0
2
3
.
1
0
0
4
9
9
5
3
.
[
1
1
]
T
.
A
.
A
l
-
A
mi
e
d
y
,
M
.
A
n
b
a
r
,
B
.
B
e
l
a
t
o
n
,
A
.
A
.
B
a
h
a
s
h
w
a
n
,
I
.
H
.
H
a
sb
u
l
l
a
h
,
M
.
A
.
A
l
a
d
a
i
l
e
h
,
a
n
d
G
.
A
.
M
u
k
h
a
i
n
i
,
“
A
s
y
st
e
mat
i
c
l
i
t
e
r
a
t
u
r
e
r
e
v
i
e
w
o
n
a
t
t
a
c
k
s
d
e
f
e
n
se
me
c
h
a
n
i
sms
i
n
R
P
L
-
b
a
se
d
6
L
o
W
P
A
N
o
f
i
n
t
e
r
n
e
t
o
f
t
h
i
n
g
s,
”
I
n
t
e
rn
e
t
o
f
T
h
i
n
g
s
,
v
o
l
.
2
2
,
p
.
1
0
0
7
4
1
,
2
0
2
3
.
d
o
i
:
1
0
.
1
0
1
6
/
j
.
i
o
t
.
2
0
2
3
.
1
0
0
7
4
1
.
[
1
2
]
Y
.
L
i
,
X
.
C
h
e
n
g
,
Y
.
C
a
o
,
D
.
W
a
n
g
,
a
n
d
L
.
Y
a
n
g
,
“
S
mart
c
h
o
i
c
e
f
o
r
t
h
e
smar
t
g
r
i
d
:
n
a
r
r
o
w
b
a
n
d
i
n
t
e
r
n
e
t
o
f
t
h
i
n
g
s
(
N
B
-
I
o
T
)
,
”
I
EEE
I
n
t
e
r
n
e
t
o
f
T
h
i
n
g
s
J
o
u
r
n
a
l
,
v
o
l
.
5
,
n
o
.
3
,
p
p
.
1
5
0
5
–
1
5
1
5
,
J
u
n
.
2
0
1
8
,
d
o
i
:
1
0
.
1
1
0
9
/
JI
O
T
.
2
0
1
7
.
2
7
8
1
2
5
1
.
[
1
3
]
N
.
A
h
mad
,
A
.
H
u
ssai
n
,
I
.
U
l
l
a
h
,
a
n
d
B
.
H
.
Z
a
i
d
i
,
“
I
o
T
b
a
se
d
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
si
o
n
a
g
r
i
c
u
l
t
u
r
e
,
”
i
n
I
E
EC
O
N
2
0
1
9
-
7
t
h
I
n
t
e
rn
a
t
i
o
n
a
l
E
l
e
c
t
r
i
c
a
l
En
g
i
n
e
e
ri
n
g
C
o
n
g
ress,
Pr
o
c
e
e
d
i
n
g
s
,
I
EEE,
M
a
r
.
2
0
1
9
,
p
p
.
1
–
4
.
d
o
i
:
1
0
.
1
1
0
9
/
i
EEC
O
N
4
5
3
0
4
.
2
0
1
9
.
8
9
3
8
8
5
4
.
[
1
4
]
A
.
C
.
S
u
b
r
a
t
a
,
T
.
S
u
t
i
k
n
o
,
S
u
n
a
r
d
i
,
A
.
P
a
mu
n
g
k
a
s,
W
.
A
r
sad
i
a
n
d
o
,
a
n
d
A
.
R
.
C
.
B
a
sw
a
r
a
,
“
A
l
a
b
o
r
a
t
o
r
y
sca
l
e
I
o
T
-
b
a
se
d
me
a
su
r
i
n
g
o
f
t
h
e
so
l
a
r
p
h
o
t
o
v
o
l
t
a
i
c
p
a
r
a
me
t
e
r
s,”
I
n
t
e
rn
a
t
i
o
n
a
l
J
o
u
r
n
a
l
o
f
Re
c
o
n
f
i
g
u
ra
b
l
e
a
n
d
Em
b
e
d
d
e
d
S
y
s
t
e
m
s
(
I
J
RES
)
,
v
o
l
.
1
1
,
n
o
.
2
,
p
p
.
1
3
5
–
1
4
5
,
Ju
l
.
2
0
2
2
,
d
o
i
:
1
0
.
1
1
5
9
1
/
i
j
r
e
s.v
1
1
.
i
2
.
p
p
1
3
5
-
1
4
5
.
[
1
5
]
G
.
B
e
n
i
w
a
l
a
n
d
A
.
S
i
n
g
h
r
o
v
a
,
“
A
sy
st
e
mat
i
c
l
i
t
e
r
a
t
u
r
e
r
e
v
i
e
w
o
n
I
o
T
g
a
t
e
w
a
y
s,”
J
o
u
r
n
a
l
o
f
K
i
n
g
S
a
u
d
U
n
i
v
e
rsi
t
y
-
C
o
m
p
u
t
e
r
a
n
d
In
f
o
rm
a
t
i
o
n
S
c
i
e
n
c
e
s
,
v
o
l
.
3
4
,
n
o
.
1
0
,
p
p
.
9
5
4
1
–
9
5
6
3
,
2
0
2
2
,
d
o
i
:
1
0
.
1
0
1
6
/
j
.
j
k
su
c
i
.
2
0
2
1
.
1
1
.
0
0
7
.
[
1
6
]
A
.
P
a
g
a
n
o
,
D
.
C
r
o
c
e
,
I
.
T
i
n
n
i
r
e
l
l
o
,
a
n
d
G
.
V
i
t
a
l
e
,
“
A
su
r
v
e
y
o
n
L
o
R
a
f
o
r
sm
a
r
t
a
g
r
i
c
u
l
t
u
r
e
:
c
u
r
r
e
n
t
t
r
e
n
d
s
a
n
d
f
u
t
u
r
e
p
e
r
sp
e
c
t
i
v
e
s,”
I
EEE
I
n
t
e
r
n
e
t
o
f
T
h
i
n
g
s J
o
u
r
n
a
l
,
v
o
l
.
1
0
,
n
o
.
4
,
p
p
.
3
6
6
4
–
3
6
7
9
,
F
e
b
.
2
0
2
3
,
d
o
i
:
1
0
.
1
1
0
9
/
JI
O
T
.
2
0
2
2
.
3
2
3
0
5
0
5
.
[
1
7
]
B
.
E.
N
a
r
a
s
i
mh
a
y
y
a
a
n
d
R
.
L
a
n
k
e
,
“
T
h
e
smar
t
d
e
v
e
l
o
p
me
n
t
o
f
s
h
o
r
t
r
a
n
g
e
c
o
mm
u
n
i
c
a
t
i
o
n
p
r
o
t
o
c
o
l
d
e
v
e
l
o
p
me
n
t
i
n
e
f
f
i
c
i
e
n
t
d
e
v
i
c
e
d
i
sco
v
e
r
y
,
”
i
n
2
n
d
I
EEE
I
n
t
e
rn
a
t
i
o
n
a
l
C
o
n
f
e
r
e
n
c
e
o
n
D
i
st
r
i
b
u
t
e
d
C
o
m
p
u
t
i
n
g
a
n
d
E
l
e
c
t
r
i
c
a
l
C
i
rc
u
i
t
s
a
n
d
El
e
c
t
ro
n
i
c
s,
I
C
D
C
E
C
E
2
0
2
3
,
I
EEE,
A
p
r
.
2
0
2
3
,
p
p
.
1
–
7
.
d
o
i
:
1
0
.
1
1
0
9
/
I
C
D
C
EC
E5
7
8
6
6
.
2
0
2
3
.
1
0
1
5
1
2
6
3
.
[
1
8
]
“
D
i
g
i
X
B
e
e
R
F
mo
d
u
l
e
s
,”
D
i
g
i
I
n
t
e
r
n
a
t
i
o
n
a
l
,
[
O
n
l
i
n
e
]
.
A
v
a
i
l
a
b
l
e
:
h
t
t
p
s:
/
/
w
w
w
.
d
i
g
i
.
c
o
m/
p
r
o
d
u
c
t
s/
e
mb
e
d
d
e
d
-
sy
st
e
ms/d
i
g
i
-
x
b
e
e
/
r
f
-
mo
d
u
l
e
s
,
(
A
c
c
e
sse
d
:
D
e
c
.
2
3
,
2
0
2
3
)
.
[
1
9
]
A
.
B
u
n
s
i
r
i
,
T
.
I
n
t
h
a
s
u
t
h
,
a
n
d
W
.
B
o
o
n
so
n
g
,
“
P
a
c
k
e
t
d
e
l
i
v
e
r
y
me
a
su
r
e
men
t
b
e
t
w
e
e
n
n
a
r
r
o
w
b
a
n
d
i
n
t
e
r
n
e
t
o
f
t
h
i
n
g
s
d
e
v
i
c
e
s
a
n
d
c
l
o
u
d
p
l
a
t
f
o
r
m,”
i
n
2
0
2
3
I
n
t
e
r
n
a
t
i
o
n
a
l
T
e
c
h
n
i
c
a
l
C
o
n
f
e
re
n
c
e
o
n
C
i
r
c
u
i
t
s
/
S
y
s
t
e
m
s,
C
o
m
p
u
t
e
rs
,
a
n
d
C
o
m
m
u
n
i
c
a
t
i
o
n
s
,
I
T
C
-
C
S
C
C
Evaluation Warning : The document was created with Spire.PDF for Python.