Xilinx V2.1 User Manual

Page 61

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Communication

61

Xilinx Blocks

Block Parameters Dialog Box

The RS Decoder block can be configured using its Block Parameters dialog box.

Figure 3-40: Reed-Solomon Decoder block parameters dialog box

Parameters specific to the RS Decoder block are:

•

Code Specification

: specifies the type of RS Decoder desired. The choices

are:

♦

Custom: allows you to set all the block parameters.

♦

ATSC: implements ATSC (Advanced Television Systems Committee) stan-
dard (207, 187) shortened RS code.

♦

CCSDS: implements CCSDS (Consultative Committee for Space Data
Systems) standard full length and shortened RS code.

♦

DVB: implements DVB (Digital Video Broadcasting) standard (204, 188)
shortened RS code.

♦

IESS-308 (126): implements IESS-308 (INTELSAT Earth Station Standard)
specification (126, 112) shortened RS code.

♦

IESS-308 (194): implements IESS-308 specification (194, 178) shortened RS
code.