MATLAB Implementation of Convolutional Code Encoding and Decoding with Viterbi Algorithm

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Resource Overview

MATLAB implementation of convolutional code encoding and Viterbi decoding, including a comprehensive bit error rate (BER) verification program. This dissertation project achieved excellent evaluation results and addresses common errors found in online implementations. The complete code is shared for reference and learning purposes.

Detailed Documentation

In this paper, I provide a detailed exploration of MATLAB implementation for convolutional code encoding and decoding using the Viterbi algorithm. The implementation includes a systematic validation program for calculating bit error rate (BER) to ensure algorithmic accuracy. The project represents my significant graduation achievement, developed to address the prevalence of erroneous implementations available online. Key technical aspects include: convolutional encoder implementation using shift registers and generator polynomials, Viterbi decoder with trellis structure and path metric calculations, and BER verification through comparative analysis between original and decoded sequences. I have decided to share this validated implementation to serve as a reliable reference for researchers and students working in coding theory and digital communications.

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