Some rate 1/3 and 1/4 binary convolutional codes with an optimum distance profile
A tabulation of binary systematic convolutional codes with an optimum distance profile for rates1/3and1/4is given. A number of short rate1/3binary nonsystematic convolutional codes are listed. These latter codes are simultaneously optimal for the following distance measures: distance profile, minimum distance, and free distance; they appear attractive for use with Viterbi decoders. Comparisons wit
