Error correcting coder/decoder

Details Error correcting coder/decoder Error correcting coder/decoder

G - Physics

06

F

354/105, 354/67

G06F 11/10 (2006.01) H03M 13/23 (2006.01) H03M 13/41 (2006.01)

Patent

CA 1276726

27341-8 ABSTRACT This invention relates to a convolutional encoder which encodes original data into convolutional codes by using a multinomial from which predetermined terms of the generation multinomial for generating the original convolutional codes are eliminated to thereby achieve high transmission efficiency as well as high error correcting capacity. The maximum likelihood decoder which is provided on the receiver side to correspond to the encoder can decode in maximum likelihood by calculating the branch metrics of received encoded data and decode the original data in correspondence to the coding rate of the original data with those branch metrics.

526105

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