TELKOM
NIKA Indonesia
n
Journal of
Electrical En
gineering
Vol.12, No.1, Jan
uary 20
14
, pp. 459 ~ 4
6
7
DOI: http://dx.doi.org/10.11591/telkomni
ka.v12i1.3200
459
Re
cei
v
ed Ma
y 15, 201
3; Revi
sed
Jul
y
2
3
, 2013; Acce
pted Augu
st 5, 2013
Remote Monitoring System for Communication Base
Based on Short Message
Xiaorong Zh
ao*
a
, Feiy
ue
Ye
b
, Xiufang Qian
c
, Han
y
u Fu
d
, Wei Jin
e
Coll
eg
e of Co
mputer Eng
i
n
e
e
rin
g
, Jiangs
u
Univers
i
t
y
of
T
e
chn
o
lo
g
y
NO.180
1, Z
hong
W
u
Anenu
e,
Cha
ngzh
ou, C
h
in
a, Ph./F
ax: +
8613
77
681
61
50/+
860
51
986
953
24
1
*Corres
p
o
ndi
n
g
author, e-ma
i
l
: zhao
xr4
3
2
6
9
8
@gma
il.com
*
a
, y
f
y
@
jstu.edu.cn
b
, dqxf@jstu
.edu.cn
c
,
fei
y
u7
9@jstu.e
du.cn
4
, 240
883
564
@qq.com
e
A
b
st
r
a
ct
The autom
a
tic
m
o
nitoring system of
c
o
mm
unication base
which is
an im
portant
m
e
ans
to reali
z
e
mo
der
ni
z
a
ti
on
of mobi
le co
mmu
n
icati
on
base stat
io
n ma
na
ge
me
nt. In this paper,
w
e
imple
m
e
n
t a
mo
nitori
ng sys
tem for c
o
mmunic
a
tion
bas
e
w
i
th three es
sentia
l functi
o
n
s w
h
ich ar
e tele
metry, remot
e
control and
comm
unicat
ion. I
n
this system
,
data ac
qu
isition unit, data transmit
unit and
m
o
nitoring c
e
ntre
unit are c
o
mbi
ned to for
m
thi
s
mo
nitori
ng s
ystem. T
he sy
stem ca
n chec
k the co
mmun
i
c
ation
base st
atu
s
anyti
me thr
o
u
gh GSM SMS
(short messa
ge serv
ice), a
nd ca
n se
nd
pred
efine
d
co
mma
nd to
per
for
m
remote d
a
ta c
o
llecti
on
an
d
mo
nitori
ng
in t
he sp
ecia
l c
o
n
d
itio
ns. It is suitabl
e esp
e
ci
all
y
for the al
ar
m of
unus
ual situ
ati
on, the mo
nitor
i
ng of
envir
on
me
ntal inf
o
rma
tion an
d entran
c
e guar
d infor
m
ati
on. T
he pa
per
,
firstly, propos
e
s
the arc
h
itect
u
re of th
e
mo
n
i
torin
g
syste
m
; secon
d
ly, pr
o
poses t
he ter
m
inal
of
mo
nitori
n
g
system
. The
data c
o
llection termina
l is st
udied
and designed, incl
uding
hardware design based
on
embe
dde
d sys
tem
and
softw
are d
e
si
gn. F
i
nally,
pres
ent
s
impl
mentatio
n
and
resu
lts. T
he
mon
i
tori
n
g
system
can i
m
prove the i
n
tegrity, re
liabi
lity, flexibility and
i
n
tellectuality of m
o
nitori
ng syst
em
. The system
w
i
th mod
u
l
a
r
structure, w
h
ich is low
-
cost, fitte
r and e
a
s
ier to
move
and
oper
ate,
can b
e
exp
a
n
d
e
d
accord
ing to pr
actical n
e
e
d
an
d is reli
abl
e an
d effective thro
ugh fie
l
d test.
Ke
y
w
ords
:
Sh
ort Message, A
T
Comma
nd, C
o
mmuni
c
a
tio
n
Base, Monitor
i
ng Syste
m
, GSM
Copy
right
©
2014 In
stitu
t
e o
f
Ad
van
ced
En
g
i
n
eerin
g and
Scien
ce. All
rig
h
t
s reser
ve
d
.
1. Introduc
tion
No
wad
a
ys, with the rap
i
dly develop
ment of mobile comm
un
ication bu
sin
e
ss, the
numbe
r of communi
catio
n
base is in
cre
a
si
ng day
by day. Th
e pre
s
ent m
onitorin
g
method
s
inclu
de
wired
metho
d
a
nd
artificial
meth
od. Th
e
wire
d meth
od
ch
alleng
e by t
r
ouble
conn
ected
up, abomin
a
b
le wo
rki
ng
environ
ment,
information
t
r
an
smi
ssi
on i
n
time, opera
t
ion co
st and
so
on. it is not
suitabl
e for t
he plentiful
and
wi
de
sp
read me
dium
-mini ba
se
s [1]. The artifi
cial
method h
a
s
two di
sadvan
tages: lo
w ef
ficien
cy
of impleme
n
tatio
n
and la
rg
e con
s
um
ption
of
resou
r
ces. In orde
r to red
u
c
e the mainta
ini
ng cost an
d guarantee t
he com
m
uni
cation quality, the
operating inf
o
rmatio
n of communi
catio
n
ba
se
s
and
the inform
ation of entran
c
e gua
rd mu
st
be
watched in ti
me.
In the paper,
the monitori
ng system o
n
co
mm
uni
cation ba
se
s is de
sign
ed whi
c
h is
based on Sh
ort Messa
ge.
As the lower runnin
g
co
st
and more
steady function
, SMS based
on
GSM netwo
rks provid
e us
a ideal platfo
rm to dev
elo
p
the mobile comm
erce. Monitorin
g
ce
nter
and
monito
r t
e
rmin
al
comb
ined to
the
m
onitorin
g
syst
em, this sy
st
em
coul
d
run
witho
u
t a
r
tificial
intervention,
once so
me b
a
se o
c
cu
r exceptio
n or fa
ult, monitorin
g
terminal
wo
uld autom
atically
uploa
d the
e
x
ception
info
rmation
to m
onitorin
g
cen
t
er an
d m
a
in
tenan
ce m
a
n
by SM (sh
o
r
t
messag
e). T
h
is pa
per
pre
s
ent
s the de
sign a
nd r
eal
ization of dat
a acq
u
isitio
n, commu
nication
and monito
rin
g
system for
comm
uni
cati
on ba
se stati
on.
2. Proposed
Architec
ture
of the Moni
toring Sy
ste
m
The
system
function
s
relying on
m
obile
comm
u
n
icatio
n bet
wee
n
comp
u
t
er an
d
microcontroll
er ba
se
d o
n
GSM tech
nique. Th
e system com
p
rises a
co
ntrol
cente
r
and
monitori
ng te
rminal
s. T
he
control
ce
nte
r
con
s
i
s
ts
of
a serve
r
, a
G
S
M mod
u
le
a
nd a
data
b
a
s
e
system a
nd t
he termi
nal consi
s
ts
of microc
ontrollers,
sen
s
o
r
s, a
M
F
RC500
mo
dule an
d a G
S
M
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 2302-4046
TELKOM
NIKA
Vol. 12, No
. 1, Janua
ry 2014: 459 – 4
6
7
460
module
in b
a
s
e
station. Th
e overa
ll de
si
gn of the m
o
n
i
toring
syste
m
is
sho
w
n
a
s
in Fi
gure 1.
We
focu
se
s on th
e impleme
n
t of monitorin
g
terminal in fol
l
owin
g text.
Figure 1. Overall archite
c
tu
re
of the moni
toring sy
stem
3. Design of
the Monitori
ng Terminal
The mo
nitori
ng termi
nal
consi
s
ts
of mi
cro
c
o
n
troll
e
rs, sen
s
o
r
s, th
e circuit of M
F
RC500
and a
GSM
module. O
n
ce the ab
normal pa
ramet
e
r data
app
e
a
r, proces
so
r will arra
nge
the
abno
rmal m
e
ssage, initiat
e
the data
tra
n
smi
ssi
on a
n
d
then
sen
d
t
hem o
u
t to control
cent
er
[2].
Microcontroll
er m
odul
e i
s
W77E5
8
,
whi
c
h i
s
used
as a m
a
ste
r
chi
p
. The
W77E
58 i
s
a
fa
st 8
051
comp
atible m
i
cro
c
o
n
troll
e
r
with a re
de
si
gned p
r
o
c
e
s
sor core fo
r no
waste
of clo
ck a
nd mem
o
ry
c
y
c
l
es
. As
a re
s
u
lt, th
e e
x
ec
u
t
io
n o
f
80
51
ins
t
r
u
c
t
ion
i
s
fa
ster than
the o
r
igin
al 8
0
51 at th
e
sam
e
cry
s
tal spe
e
d
.
Typically, th
e instru
ction
executio
n
time of W77E58
is 1.5 to 3 times fa
ster th
en
that of tra
d
itional
805
1. Al
so, the
W77E
58
cont
ai
ns 3
2
KB Fla
s
h
E
P
ROM, two
e
nhan
ce
d
seri
al
ports a
nd p
r
o
v
ides op
erati
on voltage fro
m
4.5V to 5.5V [3].
Figure 2. The
block diag
ra
m of monitori
ng termin
al
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Rem
o
te Moni
toring System
for Com
m
unication Ba
se
Based o
n
Sh
ort Messa
ge (Xiaoro
ng Zha
o
)
461
The value of
param
eters is measure
d
in t
he system includi
n
g
air tempe
r
ature, air
humidity and
informatio
n
of entran
c
e
g
uard
etc. Th
e
sen
s
o
r
s
and
MFRC50
0 a
r
e combi
ned
to
colle
ct the re
al-time enviro
n
m
ent pa
ram
e
ter data an
d
hand over t
hese data to micro
c
o
n
troll
e
r
pro
c
e
s
sor fo
r
further
han
dli
ng an
d sto
r
a
g
e
. The
mi
crocontrolle
r d
e
te
rmine
s
wheth
e
r the
data a
r
e
norm
a
l o
r
not
. Once
the a
bnormal p
a
ra
meter d
a
ta a
ppea
r, proce
s
sor
will a
r
ra
nge the
abn
o
r
mal
messag
e, ini
t
iate the dat
a tran
smi
ssi
on, and th
e
n
se
nd the
m
out to co
ntrol
cente
r
. C51
langu
age i
s
a
dopted
acco
rding to the
fe
ature
s
of d
a
ta and
C la
ng
uage fo
r
syst
em develo
p
m
ent.
Software
de
si
gn mai
n
ly incl
ude
s three p
a
rts:
colle
ctin
g and
display
i
ng temp
eratu
r
e a
nd h
u
midi
ty
of base statio
ns, re
adin
g
a
nd de
co
ding
sho
r
t
me
ssag
es, en
co
ding
and
sen
d
ing t
e
mpe
r
ature a
nd
humidity. The
block diag
ra
m of the monito
ring termi
n
a
l
is sho
w
n a
s
in Figure 2.
3.1. Sensor Design
SHT10 i
s
Se
nsiri
on’
s fami
ly of surfa
c
e
mountabl
e relative humid
ity and temp
eratu
r
e
s
e
ns
or
s
.
T
h
e s
e
ns
or
in
tegr
a
t
e
s
se
ns
o
r
e
l
e
m
en
ts pl
us
sign
als proce
s
sing
on
a tiny foot a
n
d
provide
s
a fully calibrate
d digital out
put. A unique cap
a
citive
sen
s
or el
e
m
ent is use
d
for
measuri
ng
rel
a
tive humidit
y while te
mp
eratu
r
e i
s
m
e
asu
r
ed
by a
band
-ga
p
se
nso
r
. Th
e
se
nso
r
is seamle
ssly cou
p
led to a
14bit anal
og
to digital co
nverter
and a
seri
al interfa
c
e
circuit. Thi
s
results in
su
perio
r si
gnal
quality, a fa
st re
spo
n
se and in
sen
s
iti
v
ity
to external distu
r
ba
n
c
e
s
(EMC). A unique ca
pa
citive sensor el
ement is
used for mea
s
uring relative
humidity while
temperature i
s
mea
s
u
r
ed
by a band
-ga
p
sen
s
o
r
[4]. It has output
of standa
rdi
z
ed digital si
g
nal,
small
si
ze
an
d lo
w p
o
wer
con
s
um
ption.
Thi
s
sen
s
o
r
can
me
asure
in th
e rang
e
of -40
-
123.8
℃
and 0%-100
% relative hu
midity. Under the con
d
itio
ns of 25
℃
a
nd 3.3V, the relative humi
d
ity
accuracy can
reach ±4.5%
R
.H., while te
mperature a
c
curacy is
±0.
5
℃
.
In the pap
er the mea
s
u
r
ement resolu
tion of is 1
4
bit for temp
eratu
r
e a
nd
12 bit for
humidity. Because of
nonli
near relation
betwe
en
digi
t
a
l outp
u
t an
d
relative h
u
mi
dity (RH) for the
sen
s
o
r
SHT1
0, the data
from S
H
T10
must b
e
p
r
o
c
e
s
sed b
e
fore bein
g
conv
erted to
a
c
tu
al
physi
cal qua
ntity. For compen
sating n
on-lin
ea
rity
of the humidity sensor, it is recomme
nde
d to
conve
r
t the humidity read
o
u
t (SORH)
with the following formula [4]:
RH
linear
=c
1+
c2*SO
RH
+c
3*S
O
RH
2
(%
RH
)
(1)
The value
s
of humidity coe
fficients a
r
e g
i
ven in Table
1:
Table 1. SHT
10 humidity conversion
co
efficients
SQ
RH
C1
C2
C3
12bit -4.000
0.0405
-2.8000E
-6
In ca
se of te
mperature, th
e followin
g
fo
rmula
i
s
u
s
ed
to conve
r
t digital rea
dout
(SOT) to
temperature value
[4]:
T=d
1
+d
2
*SO
T
(2)
The value
s
of temperatu
r
e
coeffici
ents a
r
e given in Ta
ble 2:
Table 2. SHT
10 tempe
r
atu
r
e co
nversio
n
coefficie
n
ts
VDD SOT
d1(
℃
)
d2(
℃
)
5 14bit
-40.1
0.01
Table 3. Tem
peratu
r
e
com
pen
sation
co
efficients
SQ
RH
t1
t2
12bit 0.01
0.00008
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 2302-4046
TELKOM
NIKA
Vol. 12, No
. 1, Janua
ry 2014: 459 – 4
6
7
462
RH value i
s
calcul
ated at 25
℃
in the formula (1
), but actual
te
st temperature i
s
variable
in a
certai
n range. T
herefore th
e temp
eratu
r
e
coeffi
cient i
s
con
s
i
dere
d
for the
sen
s
o
r
S
H
T
10
according
to
the followi
ng
formula
[4], namely, co
efficient
s for the
tempe
r
ature
com
pen
satio
n
are given in T
able 3.
R
H
t
ru
e=
(
T
-
25)
*
(
t1+
t
2
*
SO
RH
)+
RH
linear
(3)
The value
s
of temperatu
r
e
comp
en
sa
tion co
efficie
n
ts a
r
e give
n in table
3
. The flow
diagram of SHT10
software de
sign
i
s
sho
w
n
in
Figure 3. T
e
mperature
a
nd h
u
midity
are
cal
c
ulate
d
wit
h
the followin
g
prog
ram
s
:
Figure 3. Flow diag
ram of
SHT10
3.2. Propose
d
Circuit of
MFRC50
0
MFRC50
0 is
a memb
er
of
a ne
w family
with hi
g
h
ly integrate
d
read
er ICs fo
r con
t
actless
comm
uni
cati
on
on 13.56
MHz whi
c
h suppo
rts
all p
r
otocol laye
rs of the ISO 1444
3A [5]. The
pape
r give
s
a sol
u
tion
of desi
gn a
nd i
m
pleme
n
tatio
n
for
RFID R/W devi
c
e b
a
s
ed
on th
e
key
cha
r
a
c
ter a
n
d
internal
structure of MF RC5
00
chi
p
, the R/W operating to Mifare1
card
is
pro
c
e
s
sed by
the control
a
nd commu
nication bet
wee
n
P89
C
51
an
d MF
RC500
. The aim i
s
t
o
provide th
e
requi
re
d und
ersta
ndin
g
of
the MI
FARE RF interfa
c
e (ISO
144
43A) to de
si
gn
appli
c
ation
specifi
c
anten
nas
and m
a
tchin
g
ci
rcui
ts to achieve
the be
st perf
o
rma
n
ce for a
comm
uni
cati
on with a
co
ntactle
ss MIF
A
RE ca
rd [6
]
.
Receiving circuit
r
y and E
M
C filter a
r
e
as
sho
w
n in Fig
u
re 4 [7]. As well a
s
anten
na circuit
sho
w
n in Figu
re
5 [8]. The flow diag
ram of
read
card ope
ratio
n
is sh
own in Figure 6.
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Rem
o
te Moni
toring System
for Com
m
unication Ba
se
Based o
n
Sh
ort Messa
ge (Xiaoro
ng Zha
o
)
463
Figure 4. MFRC500
Re
cei
v
ing circuitry
and EMC filte
r
Figure 5. Design of ante
n
na circuit
Figure 6. The
flow diagram
of read card
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 2302-4046
TELKOM
NIKA
Vol. 12, No
. 1, Janua
ry 2014: 459 – 4
6
7
464
3.3. Circuit o
f
GSM Terminal
Sony Ericsso
n
GR47 i
s
selecte
d
which bel
o
ng to
a ne
w ge
ne
ration of Sony
Ericsson
Mobile
Com
m
unication G
S
M/GPRS m
odule
s
. The
GR4
7
mod
u
l
e
provid
es
Chine
s
e lan
g
u
age,
and provide
s
four tran
smi
ssi
on mod
e
s includi
ng
voice, data, sh
ort messa
ge,
and FAX. The
module
works in
fre
que
n
c
y ba
nd
s E
G
SM 90
0/18
00 M
H
z, po
wer voltage
3.3-3.5V [9].
The
prod
uct ca
n be
u
s
e
d
in
machi
n
e
-
to-m
achi
ne appli
c
ations
an
d man-to
-ma
c
hi
ne
a
ppli
c
atio
ns
whe
r
e th
ere
i
s
a
nee
d to
send a
nd
re
ce
ive data
(by
SMS
，
CSD,
HSCS
D, or
G
P
RS), an
d m
a
ke
voice calls by
the GSM network [9].
Microcontroll
er presents a
pulse to the
ON
/OFF
sig
nal co
nne
ctio
n of GR47,
whi
c
h is
desi
gne
d to exceed 0.5
se
con
d
s b
u
t less than 1.0
se
con
d
[8]. Wh
en SM is p
r
e
pare
d
to be sent,
the mi
cro
c
o
n
t
roller send
s AT
comm
an
ds to
the
ra
dio d
e
vice
via seri
al inte
rface
po
rts. T
he
digra
m
of G
R
47
de
sign i
s
a
s
sho
w
n i
n
Figu
re 7.
I
n
order to re
duce ele
c
tri
c
al cu
rrent, R1 an
d
R2(
R
1
=
R2
=3
.6k
Ω
)
a
r
e
us
ed
. (
R
3=
3
.
6k
Ω
, R4=
1
2k
Ω
) [
10].
Figure 7. The diagram of the GR47 an
d
W77E58
At prese
n
t, there a
r
e two
usual mo
de
s: Text
and PDU (P
roto
col Data Unit
). It is easy
and
simple to
re
ceive an
d
sen
d
for T
e
xt mode, b
u
t Chine
s
e
sho
r
t messag
e can
not be
re
ceived
and sent.
Ho
wever
the
s
e can be reali
z
ed
for
P
D
U mode whi
c
h
i
n
clu
d
e
s
thre
e
cod
e
s: 7-bit, 8-bit
and
UCS2.
Among th
ese code
s, o
r
d
i
nary ASCII
cha
r
a
c
ters a
r
e sent
for 7-bit cod
e
,
d
a
ta
informatio
n for 8-bit code
, Unicod
e ch
ara
c
ters for
UCS2
cod
e
. In this pape
r, PDU mode
is
adopte
d
, who
s
e data frame
stru
cture i
s
a
s
in Table.4.
Table 4. PDU data packa
g
e
stru
cture
SMSC PDU
t
y
p
e
MR
DA
DIP
DCS
VP
UDL
UD
In PDU
data
frame
stru
ctu
r
e, SMSC fiel
d st
an
ds fo
r
sho
r
t me
ssag
e ce
nter
add
ress; as
well a
s
PDU type for da
ta packag
e
type, MR
dat
a packa
ge f
o
r sent information, DA for
destin
a
tion a
ddre
s
s, DIP for p
r
oto
c
ol id
entifier an
d DCS for
sho
r
t
messag
e cod
e
mode.
Cod
e
of
digit o
r
cha
r
a
c
ter is ‘00’,
a
nd
cod
e
of
Chin
ese i
s
‘0
8’ for Unicod
e ad
opted
in
this pap
er.
VP
stand
s for va
lid time of sh
ort messa
ge
as well as
UDL for the le
ngth of data and UD for t
h
e
conte
n
t of sp
ecific
sho
r
t messag
e [11].
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Rem
o
te Moni
toring System
for Com
m
unication Ba
se
Based o
n
Sh
ort Messa
ge (Xiaoro
ng Zha
o
)
465
4. Implementation and
Re
sults
The re
alizatio
ns of propo
s
ed syste
m
function
s rely on mobile
co
mmuni
cation
betwe
en
comp
uter a
n
d
micro
c
o
n
troll
e
r ba
sed o
n
GSM. T
he system co
mpri
ses a co
ntrol
center comp
osed
of a server,
a GSM mod
u
le and a da
tabase sy
ste
m
, and moni
toring termi
n
al comp
osed
o
f
microcontroll
ers, se
nsor
s,
a MF
RC50
0 an
d a
GS
M mod
u
le in
the ba
se
stat
ion. The
valu
e of
para
m
eters i
s
me
asure
d
at every ba
se station,
i
n
cluding
air te
mperature,
a
i
r humi
d
ity, the
informatio
n of entran
c
e gu
ard et
c. The sen
s
o
r
s
a
nd
MFRC50
0 are combi
ned t
o
colle
ct the real-
time environ
ment pa
ram
e
ter data
an
d
han
d ove
r
t
hese d
a
ta to
micro
c
ontroll
er p
r
o
c
e
s
sor for
handli
ng
an
d stora
ge.Th
e microcontroll
er
dete
r
min
e
s
whethe
r the
data are no
rmal or n
o
t. O
n
ce
the abn
orm
a
l
para
m
eter d
a
ta app
ear, p
r
ocesso
r
w
ill
arrang
e the a
bnormal me
ssag
e an
d initi
a
te
the data tran
smissio
n
and
send it out to
control ce
nte
r
. The flow di
agra
m
of the monitor te
rmi
nal
is sh
own in Figure 8.
Figure 8. Flow diag
ram of
monitor termi
nal software
5. Conclusio
n
This
pap
er p
r
opo
se
s
a re
mote monito
ring sy
stem b
a
se
on SM.
The mo
st
sig
n
ificant
feature
s
of th
e sy
stem a
r
e
appli
c
ation
s
o
f
RF a
nd GS
M tech
nolo
g
y. The results
sho
w
that it
can
meet the ba
sic re
quireme
nts of
se
nsor accuracy, communi
catio
n
and
so on.
In addition,
the
system
ha
s g
ood extensi
b
i
lity
and com
p
atibility.
The
operation
an
d impl
ementa
t
ion cost
of t
h
e
system
ha
s
been
re
du
ce
d by the
u
s
e
of SMS. Be
si
de
s, it i
s
e
a
sy to
install
and
up
grad
e. For
example, wh
en the numb
e
r of monitoring inform
ation increa
se
s,
the commu
n
i
cation mo
de
of
system
can
b
e
de
sig
ned
b
a
se
d o
n
GP
RS.
Becau
s
e
the
GR47 m
odule
can
su
pport
G
R
PS, the
hard
w
a
r
e
of
system d
o
e
s
n
o
t nee
d to
ch
ange.
The
r
e
are
wid
e
a
ppl
ication
prosp
e
cts be
ca
use
of
limitlessne
ss
of terrain a
n
d
being suitabl
e for rem
o
te monitor.
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 2302-4046
TELKOM
NIKA
Vol. 12, No
. 1, Janua
ry 2014: 459 – 4
6
7
466
Ackn
o
w
l
e
dg
ment
This work was finan
cially
suppo
rted
by
National
Natural Scie
nce Fo
und
ation (No.
6114
2007
) a
nd the Key L
aboratory of
Clou
d Comp
uting & Intelli
gent Inform
ation Pro
c
e
s
sin
g
of
Cha
n
g
z
hou
City under Gra
n
t No.CM2
01
2300
4. T
he suppo
rts a
r
e g
r
atefully ackn
owle
dged.
Referen
ces
[1]
N Cel
andr
on
i, E Ferro, A Go
tta, et al. A surve
y
of archit
ectures an
d s
c
enar
ios in st
atellit
e-bas
e
d
w
i
rel
e
ss s
enso
r
net
w
o
rks: s
ystem des
ign
a
s
pects.
Intern
a
t
iona
l Jo
urn
a
l
of Satel
lite
Co
mmu
n
icati
o
n
s
and N
e
tw
orkin
g
. 2013; 3
1
(1): 1-38.
[2]
W
u
Yifeng, W
ang, Ho
ngc
ha
o. A
pplic
atio
n of GPRS and
Gis in boil
e
r remote mon
i
to
ring s
y
stem.
T
E
LKOMNIKA Indon
esi
an Jou
r
nal of Electric
al Eng
i
ne
eri
n
g
.
2012; 1
0
(8): 2
159-
216
8.
[3]
Li Yon
g
j
un,
Xu
Xi
aoro
ng, Jia
ng Pin
g
g
e
, T
i
an
Yafan
g
. Des
i
gn a
nd im
pl
e
m
entatio
n of H
i
gh-Pr
ecisi
o
n
Multi-functi
on T
i
me
Calibrato
r.
Advances in
Intelli
gent Systems a
nd C
o
mp
uting
. 20
13; 18
1: 61-67.
[4]
Arslan
Mun
i
ra
, Ann
Gordo
n
-Ross
a
, Sus
an
L
y
seck
y,
Roma
n L
y
s
e
c
k
y
. A
li
ght
w
e
i
ght d
y
n
a
m
i
c
optimiz
ation m
e
thod
ol
og
y an
d app
lic
ati
on
metrics estima
tion mod
e
l for
w
i
r
e
less se
ns
or net
w
o
rks.
Sustain
abl
e Co
mp
utin
g: Informatics a
nd Sys
t
ems
. 20
13; 3(
2): 94-10
8.
[5]
C Jaso
n. MF
RC500
Hi
ghl
y Inte
grate
d
ISO1444
3A
Rea
der IC
Desig
n
D
a
taShe
e
t.
IEEE
Co
mmun
icati
o
ns Letters
. 200
9.
[6]
M Sub
habr
ata, R Vi
neet K
u
m
a
r, S T
apas.
D
e
sig
n
a
nd dev
elo
p
m
ent of
a han
d-he
ld RF
ID
rea
der
f
o
r
recordi
ng atte
nda
nce
. 5th In
ternatio
nal
Co
nferenc
e on C
o
m
puters a
nd
Devices for C
o
mmunic
a
tio
n
(CODEC). Kolk
ata. 201
2: 1-4.
[7]
Edgar
Ho
lle
is.
Smart Embe
dd
ed A
ppl
ianc
es
Net
w
orks
– S
e
curit
y
Co
nsi
der
ations.
E
m
bed
ded
Syste
m
s
for Smart App
l
i
ances a
nd En
e
r
gy Mana
ge
me
nt
. 2013; 3: 67-
85.
[8]
Simorangkir,
Roy
BVB, M
u
nir Ac
hmad.
Mumerica
l
des
ign of
ultra-
w
i
deband pr
inted antenna for
surface p
e
n
e
trating r
a
d
a
r a
p
p
licati
on.
T
E
L
K
OMNIKA Indones
ian
Jour
n
a
l of
El
ectrica
l
Engi
ne
erin
g
.
201
1; 9(2): 341
-350.
[9]
Xi
a W
e
ia, Ya
n Xiju
na, W
e
i
Xi
ao
don
g. D
e
sig
n
of W
i
rel
e
ss Sens
or N
e
t
w
o
r
ks for M
onitor
i
ng
at
Constructi
on Si
tes.
Intellige
n
t Auto
matio
n
& Soft Computin
g.
2012; 1
8
(6): 635-
646.
[10]
Sony
Ericsson Mobile Comm
unications.
GR4
7
/GR48 des
ig
n
guid
e
li
nes
. 20
04.
[11]
W
u
F
e
i-qing, Li
Lin-go
ng, Ma
xi
u-sh
ui et al. Devel
opm
ent o
f
W
i
reless Monitor S
y
stem on
Greenh
ous
e
Enviro
nment B
a
sed o
n
GSM.
F
u
ture Contro
l and Auto
matio
n
.
2012; 1
72: 3
71-3
79.
Evaluation Warning : The document was created with Spire.PDF for Python.