TOPI TOPICS CS IN WIRE WIRELE LESS SS COMM COMMUN UNIC ICAT ATIO IONS NS
it te Ji
yo
Yangang
si
i,
li
iv rsit rsit ie
lo
se ch In titu titute te
ABSTRACT rr rd
do ai
sync synchr hron onou ou
orth orthog ogon onal al
tele tele isio isio
rv ie er
ly pi
ames ames
rd atio atio
ide, ide,
sp ci ll
th se in
freq freque uenc ncyy-di divi vi
can TM -f
rk
igit igit
re eive eivers rs in
in
pr
imat imatee-
fo ra
re
eplo eplo
en
stat stat s, an
ario ario
ap li atio ations ns
rd
2015.
INTRODUCTION
tute tute (A
I)
si gh
ltim ltimed edia ia
road roadca cast st
rt re fl
ra serv servic ic
incl incl
in
ro rece receiv iver er test testin in
ro et
l-
ro
re DTMB DTMB sign signal al qual qualit it betw betwee ee
iffe iffere re
ve
rs
eq ip
nt
in lu in
an
th
meas measur urem emen ent/ t/mo moni nito tori ring ng
gove govern rn ent. ent.
was
IE
mmun mmunic icat at on
ag zinc zinc
Ma
01
163163- 804/ 804/10 10/$ /$ 5.00 5.00
01
IEEE IEEE
119
T h D TM B a ke s advantages of th b re a k h ro u gh s
s uc h
as Lo
Pa
D en s
C he c c od in g
L OP C or be er
error-correction c ap a bi li ty , l on g t im e i nt er le av e
DAT5C .15DB-T DDTMB
t o r ed u c
h e m p u s iv e n o s e
Assessing multiple standards
s p re a d s p ec tr u m p ro te c o n o n t h s ys te m
Worldwid
i nf or m at io n , e t
system
evelop
(8 stan ar ized
digita terrestria TV deployment
orld id
lation th
(F g. 1)
fo terrestria va ce el
ro isio
casting, stem
ra
[2 can
th
ro
casters'
abil ty to transmit
ig -q al ty an
vide
an
uses single-carrier
odulation.
excellen
SF
(L
rr
impulsiv noises an rm
igital stan ar
ideo roadcastin -T rrestria is se -i
(D
-T
rr
spread spectrum protection on
ig stan rd-d fi itio ro ra er fixe an obil receptio environments [5 6] fo
th
fl
ra re
rt
perfor ance
(C
rd re
also su
rt
ierarchica
transmissi
approval an
[3].
announcement
ri an
Businesses (ARIB)
re re (S
re re
DTMB
-T ra
re ri -T
re
fo
system are: sele ti e-fa in
ro
atio
en iron
t,
it
rt
quency domain
120
IEEE Communications Magazinc
Ma 2010
- - - - - - - - - - - - - -- - - - - - - - - - - - -- - - - - - - - - - - - - -- - - - - - - - - - - - -- - - - - - - - - - - - - -- - - - - - - - - - - - - -- - - - - - - - - - - - -- - - - - - - - - - - - - -
Fram
header
Baseband post processing
ata interleaving
nput:
Frame body data processing
System information
Figure 2. Diagra
DT
UP converter
RF :output
ransmission.
8-VSB
A.52/A. 53
DVB-T ISDB-T
ARIB STD-B31
8M
GB 20600-2006
d 8
-v ri done very quickl
esti ation,
it
frequenc
onsu
ti
excellen
do ai
an
ad
NUMBER OF SUBCARRIER
accuracy
bca
equalization
flexibilit
CODES
fr
rates
FE
(300817488),
0.6
(451217488),
(601617488). RA
EA ER MO ES
stim ti
an
ro
corr ct
ta reception.
INTERLEAVING
OPTIONS
rl fo synchronizatio
dept an
high-efficienc
para eter
spectrum uti-
ra rl
fr rr
IEEE Communications Magazinc
May 2010
121
A dv an ce d s ig na l p r oc e ss in g t ec h no l o pa da
PN
a t h e e ce iv e
af er TDS OFOM s ym b o l p a ss in g h ro ug h
Mode
(PN420
Mode
(PN595
Mode
(PN945
*Param te
mul pa
en ur
us
78.7
dB
us
in
Fram
a d n g c ha nn e
595
dB
MHz bandwidt
header modes.
h e a cc ur a
c h a nn e l e st im a t io n
C-OFDM symbol
an dat
r ec e p ti o n
•• Su carr er arrangemen
fo C-OFDM
Time
Frequency
(a) TDS-OFDM symbol
••• (b)
Figure 3.
SYSTEM INFORMATIO
LFrame:
4375 an
em
la io
an
re ecodin
ro inform ti
4725 sy bols
ry in lu
ra
rr rs
INDUSTRIALIZATION DTV following formula: in
si
al
il
elivered
ti
id
(1)
FEC
where:
Ru:
Rs: Sy bo rate (7.5
ra sy bols/s
b:
QAM,
32-QAM, 4- AM an
(b
6416-QAM, 4-QAM-NR)
rn
rd
FEC data
excludin
122
system informatio
sy bols
IEEE Communications Magazinc
May 2010
rd
AV
FE
re
4QAM
rt
ra
.0.. 0..
al
-to- igit
tr nsitio
se fo
r,
in
ina,
re
by 2013
FE
4QAM
rs
.0.. 0..
in
strial
co ch in
incl
in
th
easure
......-
DTV ention
stablish
fr e-to-air
th it Ja
FE
HK
EP OY EN
an lo
el visi
rans 4QAM
ch nn l. ro
st
.0.. 0..
),
ra
te Th
it
t hi s
Tabl 3.
In
is
MH
in
TM
ta da
ba wi th sy tem.
or re eption
reception obil receptio
so
uality
rp rt Line-of-sigh
li ered f-
satisfacto
st
ar
su
rt
spectrum-efficie
er ti
ry receptio ng into acco
th
ifficult rece ti -r
on it on ),
ow
IEEE Communications Magazinc
May
2010
123
O FT A wo versions of set-top wi a va il ab l
1»))))))))))
he
O T M B t ra n s m is s io n s ta r ts : b a s ic - ti e r r ec e iv e r a n d h i gh e r -t ie r r e ce i ve r s wh
broadcasting
ce ve al
broadcasting
standard-definition a n d h i g h- d ef in i ti o n
2004 Formulate framework
contents.
2007 Select technical standard an launch
2008 Achieve 75 digita coverage
2012 Target to terminate analogue broadcasting
Figu re 4.
ri
's ri
rarc
rc re
rs ri
-l
on ferenc
ong.
issues
th
er
ent.
ro
ra early December
exceeded
-d fi
ro
OTHE
ri
124
COUNTRIE
AN
TERRITORIES USING!TRIALING
nop
rsio
illion
is th -d
igher-ti
rd receivers, ic -d fi
DTMB
fo receiv
re
IEEE Communications
Magazinc
Ma
2010
Service creatio
MPEG2-T~PEG2-TS ecorde
.deo
server
TCP
UDP/RTP@ multic st -------Base layer
VB-H networ
UDP/RTP@multicast DVB-H Modulato with hierarchical mode
TCP
CP
Streaming server IPEfor enhance laye
W LA N
n et wo r
Interactive server Service management and distribution "IR~-------------TCP-----~
F( I P
Gateway/router
Th
Access point
em nstr ti
setu fo
ING-
pr ject
ra evaluation.
il
ni ations
tw rks.
ls
deal
fere
ra terminals. rs
ltista dard
Inte rate
et
rk
LABORATORY
er en
Tsinghua
niversity,
I-
view, ro ilit
orld renowned university
rnd
issues
th
ishe
rt cularl
inla
rt
eplo
nt
ina. fr
IEEE Communications Magazinc
to su
re rese tati
Ma 2010
ra
125
ATSC
ment:
ai
ev lo
re te
nolo ie
Excellent
DTMB network.
Good
TM
es
quip
de el
TM
de odulator
ent:
aims
Regular Poor Bad
Ie
design:
able
br ad asti
an
co
ic ti
tech
lo ie rs
es arch La
ratory
(Fig
):
development:
fi fo
rr
ri
ro
). nology: fa ilit
re
an
testin
servic
fo receiver functi
al
re
ri
facturers.
ASTRI- Tsin hu
26
join re earc
la
roject
IEEE Communications
agazin
Ma
2010
rc
ra ry
ISDB-T," Proc
IEEE Specia Issu on Glob
v is i n : T ec hn ol o
nd
m er gi n
igit
Tele
S er vi ce s J an .
6,
Th wo dw de ON
pp. 251-56.
al., "Technical Review on restri
Television Broadcasting
hinese
ma ke
igital Ter-
Standard an
a gm en t
Measure-
ns
at
Broadcasting,
al., " A St
caster
an
th
/D
na si
IEEE Trans
Broadcasting,
he
th
59
hi
se
ki
s,
/D
In
stry
igita Terrestria [8 MT
" In f r m
v is i
Broadcasting,"
d e R ec om en d c io n d e E st an d
i gt a T er r s tr e
se Ad pt do
al., " A N e Br
dc st ng
d e T el e
el
r u, "
Mo il
I nt e r at e
M ul ti m d i
m mu ni c t i
7,
nd
8 , p p 1 26 -3 2
BIOGRAPHIES HUNG-YEN ON University y,
[M
Taipei Taiwan
to
s.
p ri nc ip a
Te m,
ts
re
from Rice Universi
L in e
t or y
m m n ic at i
Te
Instruments,
n d T ai w he
or
O T M B d ig it a e ce iv er s
C h in a
ma
be
a p pr ox im a te l
47
o ve r h e
n ex t s i y ea rs .
T ec hn ol o i e
Broadc stin La
been with Texa
K I T el ec o
h.
m m n ic at i
n t R es e r c
ow
He ha
o ta l m a rk e
ng AS
in th
Multimedia
n s ( MB C
ap ro im tely
nd hi
a nd a
mi on un
B.S. from National Taiwan
jo
c on s l t n t
ASTRI-Tsinghua
serv
received hi
Th
gl ba
o pp o u n
Broadcast Networks,"
CONCLUSIONS
entual
r ad ig m f o
B as e
ha we wi
ON
Oct. 2008
MING-T http://ming-t.informatik.uni-hamburg.de/
areas. rg four training courses.
il
el
nl on
2009. [9
SDTV.
un
8-15.
overnment.
(pre io sl
I nt r d u t i
da
I TR I H i
ommunica n d R FI C Te am .
Lucent Technologies
p ri m r y
w ir e s s c o
r es e r c
c at i
i nt er -
s ys t
Pal chipset design JIANSONG[M in
fr
received
T si ng h
10 ye rs
ll hi
degree
in electric
h in a
n d w or k
U ni ve rs it y
fo
jo
f ul l p r f es so r
v er s
h e f ac u t y t e
i s c ur r n t
ca ti
engineer
r es e r c
ng
i nt er es t
n et w r k
ce
i nc l d e d i i nd
we
th
world. rl
fe
ra
pa
s,
wo
jo rn
S. nd
Broadcasting. H AN GY ON GA N [M ] i s
re
E l c tr on i n te r n tr i p ec i fo
[ 3 U . L ad e
sc
nd
Mobile Use,
Proc
si pp
h in es e
TT
ha
s ys t
nd st nd rd
d r f ti n
ys
-l ve
r ep r s en ti n
th
ri
4 0 t ec h c a
t ec hn ic a
t,
te st nd rd
o f m aj o ve
i mp l m en t t i n , tr
TV R&
R&
h in a t o p r
ti pa
pu
sh
v el op Televi
th
nn
s.
nd Emerging Services Jan. 20 6, pp GL
h e A TS C al., tem," Proc IEEE Specia Issu on Glob sion Technology 37-43.
on
th
fi
p ar t e n of th
i s c ti v l y i nv ol ve d i n t h
p r c es s
cl
th
i gi t T el ev is io n al., " Ov er vi e Proc IEEE Specia Issu on Global igit
sion Technology 8-21.
st nd rd
ng
REFERENCES
2006
th
ina.
ment,"
TT
t or s
in th
n d d ep ut y d ir ec t n iv er si ty .
d es i n , h ar dw ar e
ACKNOWLEDGMENT
pu li
T si n h u
h in es e
rs
f ul l p r f es s
E ng in ee ri n
vi igit
Sy
Applie
Scienc
nd Emerging Services Jan. 20 6, pp
Br
dc st ng
L a o r t or y Liss, "Terrestria
ng
Se vi
183-94
IEEE Communications Magazinc
Technology
Rese rc
Institut
(ASTRI
nd
m m n ic at i n s
i s r es p n si bl e f o
th
( MB C J oi n R&
R es e r c
n d c om me rc i l -
VB (DVB-T)
IEEE Specia Issu on Glob
hn
an
Televi
igit
ni he
vi th
Sa n i N et w r k
f or n cq re
t o h at , sc
ds
Master's degree in electrical engineering.
Ma 2010
127
