
#1
Jan2206, 06:29 PM

P: 55

Construct a [4, 7^2, 3] code. I know it exists because 7 is prime, so there are 6 MOLS. However, I am not quite sure how to go about constructing this code.




#2
Jan2206, 06:36 PM

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P: 16,101

You sure you have that right? You can't encode 49 symbols in a codeword that's only 4 symbols long.
I don't know the acronym `MOL' either. This sounds like a homework question  you can usually metareason these out: it would probably be done using a code (or a technique) that you learned recently. 



#3
Jan2206, 07:25 PM

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P: 1,996

MOLS=mutually orthogonal latin squares
I'm not positive what the (4,7^2,3) notation refers to, I'm guessing a 3error correcting code with 7^2 codewords of length 4 (7 symbols each position?). The construction I have in mind would make codewords of length 8 though. This is a pretty standard construction, and assuming it's what you're trying to do: are you having problems producing the MOLS or coming up with the code given a set of 6 MOLS? (or both?) 



#4
Jan2606, 09:47 AM

P: 55

Coding Theory Homework QuestionAnyway, I figured it our, so it's all good. Thanks for the responses. 



#5
Jan2606, 10:57 AM

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