Generalized minimum distance decoding algorithms for Qary output channels (Corresp.)

A new condition for a generalized minimum distance decoder to guarantee correct decoding is developed. Based on this condition, decoding algorithms for block codes, product codes, and completely orthogonalizable codes on
Q
ary output channels are presented. The results of computer simulations comparing the performance of these decoding algorithms with several other soft-decision decoding algorithma are also presented.