L64724 LSI Logic Corporation, L64724 Datasheet - Page 164

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

6.3 Reed-Solomon Deinterleaver Synchronization
Figure 6.10 Reed-Solomon, Deinterleaver Synchronization
Configuration Parameters
6-8
Sync Word
M, N, L, K
Data Stream
MC,
LSC
Equation 6.1
function of VMBEC and VMDC1.
Equation 6.1
This section describes the second synchronization stage, which performs
Reed-Solomon Deinterleaver synchronization. In the second
synchronization stage, the decoder searches the data stream for a
predefined sync word to determine the in-sync or out-of-sync condition.
Figure 6.10
module, which is designed to allow synchronization for DVB (Digital Video
Broadcast) as well as for DSS (Digital Satellite Systems) compliant
systems.
Decoding Pipeline Synchronization
Channel Symbol Error Rate
Bit Stream
Monitor
illustrates the Reed-Solomon Deinterleaver synchronization
shows the computation of Channel Symbol Error Rate as a
Deinterleaver
Decision Logic
Module
=
Sync
128 VMBEC
--------------------------------------------- -
256 VMDC 1
Strobes
Reed-Solomon
+
Decoder
Module
32