Mobile Communications Chapter 6: Broadcast …SDTV EDTV HDTV Multimedia PC B-ISDN, ADSL,etc. DVD,...
19
Prof. Dr.-Ing. Jochen Schiller, http://www.jochenschiller.de/ MC SS02 6.1 Mobile Communications Chapter 6: Broadcast Systems Unidirectional distribution systems DAB architecture DVB Container High-speed Internet
Transcript of Mobile Communications Chapter 6: Broadcast …SDTV EDTV HDTV Multimedia PC B-ISDN, ADSL,etc. DVD,...
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
1
Mo
bile
Co
mm
un
icat
ion
sC
hap
ter
6: B
road
cast
Sys
tem
sU
nidi
rect
iona
l dis
trib
utio
n sy
stem
sD
AB ar
chite
ctur
e
DV
B Con
tain
erH
igh-
spee
d In
tern
et
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
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w.jo
chen
schi
ller.
de/
MC
SS
026.
2
Uni
dire
ctio
nal d
istr
ibut
ion
syst
ems
Asy
mm
etric
com
mun
icat
ion
envi
ronm
ents
band
wid
th li
mita
tions
of t
he tr
ansm
issi
on m
ediu
m
depe
nds
on a
pplic
atio
ns, t
ype
of in
form
atio
nex
ampl
esw
irele
ss n
etw
orks
with
bas
e st
atio
n an
d m
obile
term
inal
s
clie
nt-s
erve
r en
viro
nmen
ts (
disk
less
term
inal
)ca
ble
TV
with
set
-top
box
info
rmat
ion
serv
ices
(pa
ger,
SM
S)
Spe
cial
cas
e: u
nidi
rect
iona
l dis
trib
utio
n sy
stem
shi
gh b
andw
idth
from
ser
ver
to c
lient
(do
wns
trea
m),
but
no
band
wid
th v
ice
vers
a (u
pstr
eam
)pr
oble
ms
of u
nidi
rect
iona
l bro
adca
st s
yste
ms
a se
nder
can
opt
imiz
e tr
ansm
itted
info
rmat
ion
only
for
one
grou
pof
us
ers/
term
inal
s
func
tions
nee
ded
to in
divi
dual
ize
pers
onal
req
uire
men
ts/a
pplic
atio
ns
Pro
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ng. J
oche
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chill
er, h
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chen
schi
ller.
de/
MC
SS
026.
3
Uni
dire
ctio
nal d
istr
ibut
ion
serv
ice
prov
ider
serv
ice
user
send
er
rece
iver
rece
iver
rece
iver
. . .
unid
irect
iona
ldi
strib
utio
nm
ediu
m
AA
AA
A
A
AB
B
B B
optim
ized
for
expe
cted
ac
cess
pat
tern
of
all
user
s
indi
vidu
al a
cces
spa
ttern
of o
ne u
ser
≠
Pro
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r.-I
ng. J
oche
nS
chill
er, h
ttp://
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ller.
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MC
SS
026.
4
Sen
der cy
clic
rep
etiti
on o
f dat
a bl
ocks
diffe
rent
pat
tern
s po
ssib
le (
optim
izat
ion
poss
ible
onl
y if
the
cont
ent i
s kn
own)
Rec
eive
rus
e of
cac
hing
cost
-bas
ed s
trat
egy:
wha
t are
the
cost
s fo
r a
user
(w
aitin
g tim
e) if
a d
ata
bloc
k ha
s be
en r
eque
sted
but
is c
urre
ntly
not
cac
hed
appl
icat
ion
and
cach
e ha
ve to
kno
w c
onte
nt o
f dat
a bl
ocks
an
d ac
cess
pat
tern
s of
use
r to
opt
imiz
e
Str
uctu
ring
tran
smis
sion
s -
broa
dcas
t dis
ks
AB
CA
BC
flatd
isk
AA
BC
AA
skew
eddi
sk
AB
AC
AB
mul
ti-di
sk
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
5
DA
B: D
igita
l Aud
io B
road
cast
ing
Med
ia a
cces
sC
OF
DM
(C
oded
Ort
hogo
nal F
requ
ency
Div
isio
n M
ultip
lex)
SF
N (
Sin
gle
Fre
quen
cy N
etw
ork)
192
to 1
536
subc
arrie
rsw
ithin
a 1
.5 M
Hz
freq
uenc
y ba
nd
Fre
quen
cies
first
pha
se: o
ne o
ut o
f 32
freq
uenc
y bl
ocks
for
terr
estr
ial T
V
chan
nels
5 to
12
(174
-23
0 M
Hz,
5A
-12
D)
seco
nd p
hase
: one
out
of 9
freq
uenc
y bl
ocks
in th
e L-
band
(145
2-14
67.5
MH
z, L
A -
LI)
Sen
ding
pow
er: 6
.1 k
W (
VH
F, Ø
120
km
) or
4 kW
(L-
band
, Ø 3
0 km
) D
ate-
rate
s: 2
.304
Mbi
t/s (
net 1
.2 to
1.5
36 M
bit/s
)M
odul
atio
n: D
iffer
entia
l 4-p
hase
mod
ulat
ion
(D-Q
PS
K)
Aud
io c
hann
els
per
freq
uenc
y bl
ock:
typ.
6, m
ax. 1
92 k
bit/s
Dig
ital s
ervi
ces:
0.6
-16
kbi
t/s (
PA
D),
24
kbit/
s (N
PA
D)
Pro
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ng. J
oche
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chill
er, h
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MC
SS
026.
6
DA
B tr
ansp
ort m
echa
nism
s
MS
C (
Mai
n S
ervi
ce C
hann
el)
carr
ies
all u
ser
data
(au
dio,
mul
timed
ia, .
..)
cons
ists
of C
IF (
Com
mon
Inte
rleav
ed F
ram
es)
each
CIF
552
96 b
it, e
very
24
ms
(dep
ends
on
tran
smis
sion
mod
e)
CIF
con
tain
s C
U (
Cap
acity
Uni
ts),
64
bit e
ach
FIC
(F
ast I
nfor
mat
ion
Cha
nnel
)ca
rrie
s co
ntro
l inf
orm
atio
n
cons
ists
of F
IB (
Fas
t Inf
orm
atio
n B
lock
)ea
ch F
IB 2
56 b
it (in
cl. 1
6 bi
t che
cksu
m)
defin
es c
onfig
urat
ion
and
cont
ent o
f MS
C
Str
eam
mod
etr
ansp
aren
t dat
a tr
ansm
issi
on w
ith a
fixe
d bi
t rat
e
Pac
ket m
ode
tran
sfer
add
ress
able
pac
kets
Pro
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r.-I
ng. J
oche
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chill
er, h
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chen
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ller.
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MC
SS
026.
7
Tra
nsm
issi
on fr
ame
sync
hron
izat
ion
chan
nel
SC
mai
n se
rvic
ech
anne
l
FIC
MS
C
null
sym
bol
phas
e re
fere
nce
sym
bol
data
sym
bol
data
sym
bol
data
sym
bol
. . .
. . .
sym
bol
Tu
fram
e du
ratio
nT
F
guar
d in
terv
al T
d
L0
01
2L-
11
L
fast
info
rmat
ion
chan
nel
FIC
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
8
DA
B s
ende
r
Tra
ns-
mitt
er
Tra
ns-
mis
sion
Mul
ti-pl
exer
MS
CM
ulti-
plex
er
OD
FM
Pac
ket
Mux
Cha
nnel
Cod
er
Aud
ioE
ncod
erC
hann
elC
oder
DA
B S
igna
lS
ervi
ce
Info
rmat
ion
FIC
Mul
tiple
xIn
form
atio
n
Dat
aS
ervi
ces
Aud
ioS
ervi
ces
Rad
io F
requ
ency
FIC
: Fas
t Inf
orm
atio
n C
hann
elM
SC
: Mai
n S
ervi
ce C
hann
elO
FD
M: O
rtho
gona
l Fre
quen
cy D
ivis
ion
Mul
tiple
1.5
MH
zf
carr
iers
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
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chen
schi
ller.
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MC
SS
026.
9
DA
B r
ecei
ver
Pac
ket
Dem
ux
Aud
ioD
ecod
erC
hann
elD
ecod
er
Inde
pend
ent
Dat
aS
ervi
ce
Aud
ioS
ervi
ce
Con
trol
ler
Tun
erO
DF
MD
emod
ulat
or
Use
r In
terf
ace
FIC
Con
trol
Bus
(par
tial)
MS
C
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
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ller.
de/
MC
SS
026.
10
Aud
io c
odin
g
Goa
l audi
o tr
ansm
issi
on a
lmos
t with
CD
qua
lity
robu
st a
gain
st m
ultip
ath
prop
agat
ion
min
imal
dis
tort
ion
of a
udio
sig
nals
dur
ing
sign
al fa
ding
Mec
hani
sms
fully
dig
ital a
udio
sig
nals
(P
CM
, 16
Bit,
48
kHz,
ste
reo)
MP
EG
com
pres
sion
of a
udio
sig
nals
, com
pres
sion
rat
io 1
:10
redu
ndan
cy b
its fo
r er
ror
dete
ctio
n an
d co
rrec
tion
burs
t err
ors
typi
cal f
or r
adio
tran
smis
sion
s, th
eref
ore
sign
al
inte
rleav
ing
-re
ceiv
ers
can
now
cor
rect
sin
gle
bit e
rror
s re
sulti
ng
from
inte
rfer
ence
low
sym
bol-r
ate,
man
y sy
mbo
lstr
ansm
issi
on o
f dig
ital d
ata
usin
g lo
ng s
ymbo
l seq
uenc
es, s
epar
ated
by
guar
d sp
aces
de
laye
d sy
mbo
ls, e
.g.,
refle
ctio
n, s
till r
emai
n w
ithin
the
guar
dsp
ace
Pro
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r.-I
ng. J
oche
nS
chill
er, h
ttp://
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MC
SS
026.
11
Bit
rate
man
agem
ent
a D
AB
ens
embl
e co
mbi
nes
audi
o pr
ogra
ms
and
data
ser
vice
s w
ith d
iffer
ent r
equi
rem
ents
for
tran
smis
sion
qua
lity
and
bit r
ates
the
stan
dard
allo
ws
dyna
mic
rec
onfig
urat
ion
of th
e D
AB
m
ultip
lexi
ng s
chem
e (i.
e., d
urin
g tr
ansm
issi
on)
data
rat
es c
an b
e va
riabl
e, D
AB
can
use
free
cap
aciti
es fo
r ot
her
serv
ices
the
mul
tiple
xer
perf
orm
s th
is k
ind
of b
it ra
te m
anag
emen
t, th
eref
ore,
add
ition
al s
ervi
ces
can
com
e fr
om d
iffer
ent p
rovi
ders
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
12
Exa
mpl
e of
a r
econ
figur
atio
n
D1
D2
D3
D4
D5
D6
D7
D8
D9
Aud
io 1
192
kbit/
s
PA
D
Aud
io 2
192
kbit/
s
PA
D
Aud
io 3
192
kbit/
s
PA
D
Aud
io 4
160
kbit/
s
PA
D
Aud
io 5
160
kbit/
s
PA
D
Aud
io 6
128
kbit/
s
PA
D
DA
B -
Mul
tiple
x
D1
D2
D3
D4
D5
D6
D7
D8
D9
Aud
io 1
192
kbit/
s
PA
D
Aud
io 2
192
kbit/
s
PA
D
Aud
io 3
128
kbit/
sP
AD
Aud
io 4
160
kbit/
s
PA
D
Aud
io 5
160
kbit/
s
PA
D
Aud
io 7
96 k
bit/s
PA
D
DA
B -
Mul
tiple
x -
reco
nfig
ured
Aud
io 8
96 k
bit/s
PA
DD
10D
11
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
13
Mul
timed
ia O
bjec
t Tra
nsfe
r P
roto
col (
MO
T)
Pro
blem
broa
d ra
nge
of r
ecei
ver
capa
bilit
ies
audi
o-on
ly d
evic
es w
ith s
ingl
e/m
ultip
le li
ne te
xt d
ispl
ay, a
dditi
onal
col
or
grap
hic
disp
lay,
PC
ada
pter
s et
c.
diffe
rent
type
s of
rec
eive
rs s
houl
d at
leas
t be
able
to r
ecog
nize
all
kind
s of
pr
ogra
m a
ssoc
iate
d an
d pr
ogra
m in
depe
nden
t dat
a an
d pr
oces
s so
me
of
it
Sol
utio
n com
mon
sta
ndar
d fo
r da
ta tr
ansm
issi
on: M
OT
impo
rtan
t for
MO
T is
the
supp
ort o
f dat
a fo
rmat
s us
ed in
oth
er m
ultim
edia
sy
stem
s (e
.g.,
onlin
e se
rvic
es, I
nter
net,
CD
-RO
M)
DA
B c
an th
eref
ore
tran
smit
HT
ML
docu
men
ts fr
om th
e W
WW
with
ver
ylit
tle a
dditi
onal
effo
rt
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
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chen
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ller.
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MC
SS
026.
14
MO
T fo
rmat
sM
HE
G, J
ava,
JP
EG
, AS
CII,
MP
EG
, HT
ML,
HT
TP
, BM
P, G
IF, .
..
Hea
der
core
size
of h
eade
r an
d bo
dy, c
onte
nt ty
pe
Hea
der
exte
nsio
nha
ndlin
g in
form
atio
n, e
.g.,
repe
titio
n di
stan
ce, s
egm
enta
tion,
pr
iorit
yin
form
atio
n su
ppor
ts c
achi
ng m
echa
nism
s
Bod
yar
bitr
ary
data
DA
B a
llow
s fo
r m
any
repe
titio
n sc
hem
esob
ject
s, s
egm
ents
, hea
ders
MO
T s
truc
ture
head
er
core
head
er
exte
nsio
nbo
dy
7 by
te
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
15
Dig
ital V
ideo
Bro
adca
stin
g
1991
foun
datio
n of
the
ELG
(E
urop
ean
Laun
chin
g G
roup
)go
al: d
evel
opm
ent o
f dig
ital t
elev
isio
n in
Eur
ope
1993
ren
amin
g in
to D
VB
(D
igita
l Vid
eo B
road
cast
ing)
goal
: int
rodu
ctio
n of
dig
ital t
elev
isio
n ba
sed
onsa
telli
te tr
ansm
issi
on
cabl
e ne
twor
k te
chno
logy
late
r al
so te
rres
tria
l tra
nsm
issi
on
SD
TV
ED
TV
HD
TV
Mul
timed
ia P
C
B-I
SD
N, A
DS
L,et
c.D
VD
, etc
.
Ter
rest
rial
Rec
eive
r
Cab
le
Mul
tipoi
nt
Dis
trib
utio
nS
yste
m
Sat
ellit
esD
VB
Dig
ita l
Vid
e oB
road
cast
ing
Inte
grat
edR
ecei
ver-
Dec
oder
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
16
DV
B C
onta
iner
DV
B tr
ansm
its M
PE
G-2
con
tain
erhi
gh fl
exib
ility
for
the
tran
smis
sion
of d
igita
l dat
ano
res
tric
tions
reg
ardi
ng th
e ty
pe o
f inf
orm
atio
nD
VB
Ser
vice
Info
rmat
ion
spec
ifies
the
cont
ent o
f a c
onta
iner
NIT
(N
etw
ork
Info
rmat
ion
Tab
le):
list
s th
e se
rvic
es o
f a p
rovi
der,
co
ntai
ns a
dditi
onal
info
rmat
ion
for
set-
top
boxe
sS
DT
(S
ervi
ce D
escr
iptio
n T
able
): li
st o
f nam
es a
nd p
aram
eter
s fo
r ea
ch
serv
ice
with
in a
MP
EG
mul
tiple
x ch
anne
lE
IT (
Eve
nt In
form
atio
n T
able
): s
tatu
s in
form
atio
n ab
out t
he c
urre
nt
tran
smis
sion
, add
ition
al in
form
atio
n fo
r se
t-to
p bo
xes
TD
T (
Tim
e an
d D
ate
Tab
le):
Upd
ate
info
rmat
ion
for
set-
top
boxe
s
mul
timed
iada
ta b
road
cast
ing
MP
EG
-2/D
VB
cont
aine
r
sing
le c
hann
elhi
ghde
finiti
on te
levi
sion
MP
EG
-2/D
VB
cont
aine
r
HD
TV
mul
tiple
cha
nnel
sst
anda
rd d
efin
ition
MP
EG
-2/D
VB
cont
aine
r
SD
TV
mul
tiple
cha
nnel
sen
hanc
ed d
efin
ition
MP
EG
-2/D
VB
cont
aine
r
ED
TV
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
17
Exa
mpl
e: h
igh-
spee
d In
tern
et a
cces
s
Asy
mm
etric
dat
a ex
chan
gedo
wnl
ink:
DV
B r
ecei
ver,
dat
a ra
te p
er u
ser
6-38
Mbi
t/s
retu
rn c
hann
el fr
om u
ser
to s
ervi
ce p
rovi
der:
e.g
., m
odem
with
33
kbit/
s, IS
DN
with
64
kbit/
s, D
SL
with
sev
eral
100
kbi
t/s e
tc.
DV
B-S
ada
pter
PC
Inte
rnet
TC
P/IP
leas
ed li
ne
serv
ice
prov
ider
info
rmat
ion
prov
ider
sate
llite
pr
ovid
er
sate
llite
rec
eive
r
DV
B/M
PE
G2
mul
tiple
xsi
mul
tane
ous
to d
igita
l TV
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
18
Con
verg
ence
of b
road
cast
ing
and
mob
ile c
omm
.
Def
initi
on o
f int
erac
tion
chan
nels
Inte
ract
ing/
cont
rolli
ng b
road
cast
via
GS
M, U
MT
S, D
EC
T, P
ST
N, …
Exa
mpl
e: m
obile
Inte
rnet
ser
vice
s us
ing
IP o
ver
GS
M/G
PR
S o
r U
MT
Sas
in
tera
ctio
n ch
anne
l for
DA
B/D
VB
mob
ilete
rmin
al
DV
B-T
, DA
B(T
V p
lus
IP d
ata)
GS
M/G
PR
S,
UM
TS
(IP
dat
a)
MU
X
Inte
rnet
TV
bro
adca
ster
ISP
mob
ile o
pera
tor
TV da
ta
broa
dcas
t
inte
ract
ion
chan
nel
s
Pro
f. D
r.-I
ng. J
oche
nS
chill
er, h
ttp://
ww
w.jo
chen
schi
ller.
de/
MC
SS
026.
19
Com
paris
on o
f UM
TS
, DA
B a
nd D
VB
U
MT
S
DA
B
DV
B
Spe
ctru
m b
ands
(d
epen
ds o
n na
tiona
l re
gula
tions
) [M
Hz]
2000
(te
rres
tria
l),
2500
(sa
telli
te)
1140
-150
4,
220-
228
(UK
) 13
0-26
0,
430-
862
(UK
)
Reg
ulat
ion
Tel
ecom
, lic
ense
d B
road
cast
, lic
ense
d B
road
cast
, lic
ense
d
Ban
dwid
th
5 M
Hz
1.5
MH
z 8
MH
z
Effe
ctiv
e th
roug
hput
30
-300
kbi
t/s
(per
use
r)
1.5
Mbi
t/s
(sha
red)
5-
30 M
bit/s
(s
hare
d)
Mob
ility
sup
port
Lo
w to
hig
h V
ery
high
Lo
w to
hig
h
App
licat
ion
Voi
ce, d
ata
Aud
io, p
ush
Inte
rnet
, im
ages
, lo
w r
es. v
ideo
Hig
h re
s. v
ideo
, au
dio,
pus
h In
tern
et
Cov
erag
e Lo
cal t
o w
ide
Wid
e W
ide
Dep
loym
ent c
ost
for
wid
e co
vera
ge
Ver
y hi
gh
Low
Lo
w
