PPT Slide

Source

encoder(s)

Pre-

encoder

Pre-

encoder

Pre-

encoder

Energy

dispersal

Energy

dispersal

Energy

dispersal

Energy

dispersal

Channel

encoder

Channel

encoder

Channel

encoder

MUX

Cell

interleaver

Pilot-

generator

Cell

interleaver

Cell

interleaver

O

F

D

M

c

e

l

l

m

a

p

p

e

r

OFDM-

Sign.-generator

Modulator

Audio,

data

Data

FAC

SDC

normal protection

high protection

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