Bit-Interleaved Coded Modulation with Viterbi Decoding Implementation

This paper presents a communication technique known as Bit-Interleaved Coded Modulation (BICM), which utilizes the Viterbi decoding algorithm for error correction. The implementation typically involves convolutional encoding at the transmitter side, where input bits are processed through a shift register structure with generator polynomials to create redundancy. The bit-interleaving stage follows, implemented using pseudo-random permutation algorithms to scatter adjacent bits across non-adjacent symbol positions, thereby mitigating burst errors. For performance evaluation, we provide comprehensive bit error rate (BER) curves that demonstrate the system's robustness under various channel conditions. BICM represents an efficient digital communication scheme that significantly enhances data transmission reliability and robustness. Through strategic interleaving of information bits, the system achieves improved resistance against channel noise and interference. The Viterbi decoder implementation employs dynamic programming principles, using path metric calculations and traceback operations to efficiently reconstruct the original transmitted information bits. By analyzing BER performance curves across different signal-to-noise ratio conditions, we gain valuable insights into how BICM systems behave under varying channel quality scenarios. This analytical approach is crucial for designing and optimizing communication systems, ensuring reliable data transmission and high-quality communication services through proper parameter selection and algorithm tuning.