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On 3/30/2016 7:08 PM, Joe Taylor wrote:
More recently, Steve (K9AN) and I developed an open-source Reed Solomon decoder for the (63,12). Many messages about this work are in the wsjt-devel Archives, and the code is now part of WAJT-X, WSJT, and MAP65. The Koetter-Vardy decoder is no longer used by any of our programs.Steve and I have written a paper on the "Franke-Taylor" soft-decision decoder. It will appear next month in the ARRL journal QEX. A "preprint" has been posted at the following link: http://physics.princeton.edu/pulsar/K1JT/ftrsd.pdf Hi Joe, thanks for your answer and for the pointer to the code. Apparently your soft decoder is meant for a GF(2^6) field. How difficult would it be to modify it for a GF(2^8), i.e. for a decoder able to deal with the entire ASCII alphabet ? Thanks, --
73 Alberto I2PHD Credo Ut Intelligam |
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