Error-correcting codes with feedback: Difference between revisions

Revision as of 02:33, 30 November 2007

Revision as of 02:34, 30 November 2007

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are elements of $Y^n$ and a codeword is in the form of :

: <math> c\left(x,y^{n-1}\right)=\left(c_1\left(x\right), \dots,c_n\left(x,y^{n-1}\right)\right)$, </math>

where

: <math> $c_i:{\cal X} \times Y^{i-1} \to Y</math>

is a function for the $i$-th code letter which depends on the message we want to