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Convolutional Codes (Encoder + Viterbi Decoder)

This project implements a basic convolutional encoder and its corresponding Viterbi decoder in Python. It's intended for educational purposes and demonstrates the core principles of error-correcting codes used in digital communication systems.

Features

  • 📡 Rate 1/2 convolutional encoder
  • 🧠 Viterbi decoder using Hamming distance
  • 🌐 Trellis visualization support
  • 🔍 Bit-level simulation and easy-to-read outputs
  • 🧪 Includes test cases

Getting Started

1. Clone the repository

git clone https://github.com/kamberasaf/Convolutional-codes.git
cd Convolutional-codes

2. Run an example

python main.py --input 1011001

Sample Output:

Encoded: [1, 1, 1, 0, 0, 0, 1, 1, ...]
Decoded: [1, 0, 1, 1, 0, 0, 1]