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FPGA Implementation of Convolutional Code Encoding and Viterbi Decoding Algorithm

Wen Xue-dong

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Abstract

FPGA Implementation of Convolutional Code encoding and Viterbi Decoding Algorithm is presented.According to the structure of convolutional code,the conversion method of encoding based on limited state machines,and state conversion method of Viterbi Decoding Algorithm based on pipeline operation,are used to increase the speed of encoding and decoding effectively.Lastly,relevant simulation results of encoding and decoding of (2,1,2) convolution-al code are given.

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What this paper is about

FPGA Implementation of Convolutional Code encoding and Viterbi Decoding Algorithm is presented.According to the structure of convolutional code,the conversion method of encoding based on limited state machines,and state conversion method of Viterbi Decoding Algorithm based on pipeline operation,are used to increase the speed of encoding and decoding effectively.Lastly,relevant simulation results of encoding and decoding of (2,1,2) convolution-al code are given.

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Available abstract

FPGA Implementation of Convolutional Code encoding and Viterbi Decoding Algorithm is presented.According to the structure of convolutional code,the conversion method of encoding based on limited state machines,and state conversion method of Viterbi Decoding Algorithm based on pipeline operation,are used to increase the speed of encoding and decoding effectively.Lastly,relevant simulation results of encoding and decoding of (2,1,2) convolution-al code are given.

Key concepts: Convolutional code, Computer science, Sequential decoding, Decoding methods, Iterative Viterbi decoding, Viterbi algorithm, Viterbi decoder, Algorithm

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