Palavra-chave: TRELLIS CODES

OPTIMUM EUCLIDEAN DISTANCE ERROR PROBABILITY ASYMPTOTIC CODING GAIN PUBLIC-KEY SCHEME CRYPTOSYSTEM COMPUTATIONAL COMPLEXITY ABSTRACT GROUP STRONGLY CONTROLLABLE GROUP CODES SCHREIER PRODUCT CRYPTOGRAPHIC SCHEMES MULTIVITERBI DECODING CODES OVER GROUPS CYCLIC CODES LATTICES OMBINATORIAL OPTIMIZATION TIME-VARYING CONVOLUTIONAL CODES GENERALIZED TRANSFER FUNCTION UNIT-MEMORY CONVOLUTIONAL CODES NETWORK FLOW APPROACH