AR# 9685: LogiCORE Reed Solomon - Can the Xilinx RS Cores implement specifications of ISS 308?
AR# 9685
LogiCORE Reed Solomon - Can the Xilinx RS Cores implement specifications of ISS 308?
Description
Keywords: Core, Reed, Solomon, ISS, 308, 309, DSP
Can the Xilinx RS Cores implement specifications of ISS 308? If so, what are the Core sizes?
Solution
The RS cores do support the IESS-308 standard. The IESS-308 standard actually specifies 5 different RS codes. The parameters for 4 of these can be seen by going to the demo GUI at:
Note that if continuous code blocks are required then 2 or more clock cycles per symbol will have to be used, except for the (126,112) code. This example just used 1 clock cycle per symbol but it makes little difference to the overall size.
Please See (Xilinx Answer 30176) for a detailed list of LogiCORE Reed Solomon Decoder Release Notes and Known Issues. Please See (Xilinx Answer 30177) for a detailed list of LogiCORE Reed Solomon Encoder Release Notes and Known Issues.