L64724 LSI Logic Corporation, L64724 Datasheet - Page 175

• Manufacturer Part Number: L64724
• Description: Satellite Receiver
• Manufacturer: LSI Logic Corporation

Figure 7.3
Rate 2/3
Rate 3/4
Viterbi Decoder Module
Data (QPSK)
Data (QPSK)
Data (BPSK)
Data (BPSK)
Viterbi Input
Viterbi Input
Viterbi Input
Viterbi Input
Punctured
Punctured
Puncture Pattern for Different Code Rates
Data
Data
Q
Q
I
I
I
I
Punctured Symbol (Deleted)
I.1
Q.1
I.1
Q.1
I.1
I.1
Q.1
I.1
I.1
Q.1
I.2
Q.2
I.2
Q.2
Q.1
Q.2
I.3
Q.1
Q.2
I.3
I.3
Q.3
I.3
Q.3
Q.2
Q.3
Q.4
Q.2
I.4
Q.4
I.3
I.3
Q.3
Q.4
7-5