|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| § |
Scrambling
|
|
|
|
- |
bitwise XOR with
pseudo
|
|
|
|
random
bit-sequence
|
|
|
| § |
Reed/Solomon
|
|
|
|
- |
shortened
(188,204,16) code
|
|
|
- |
decoding with
|
|
|
|
Berlekamp/Massey,
Chien-
|
|
|
|
search and Forney
|
|
|
| § |
Outer Interleaver
|
|
|
|
- |
convolutional
interleaver with
|
|
|
I=12 and M=17
|
|
|
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| § |
Convolutional
Coding
|
|
|
|
- |
memory length 6
|
|
|
|
- |
decoding with
64-state soft-
|
|
|
decision Viterbi
|
|
|
| § |
Inner Interleaver
|
|
|
|
- |
block
interleaver on OFDM
|
|
|
symbols
|
|
|
| § |
Mapping
|
|
|
|
- |
main mode: 16-QAM
|
|
|
| § |
OFDM modulation
|
|
|
|
- |
FFT and iFFT
|
|
|
|