Simulation Code for Two Common MIMO-Based Cooperative Diversity Techniques: DF and AF

This article explores two common techniques in MIMO-based cooperative diversity: Decode-and-Forward (DF) and Amplify-and-Forward (AF). These techniques are designed to enhance wireless signal transmission reliability and speed, particularly in multipath channel scenarios. The implementation typically involves MATLAB simulations that model multiple-input multiple-output (MIMO) channels with cooperative relays. For DF scheme, the code includes signal decoding at relay nodes before forwarding, while AF implementation focuses on amplitude amplification without decoding. The simulation framework usually incorporates channel state information (CSI) estimation, signal-to-noise ratio (SNR) calculations, and bit error rate (BER) performance analysis. We will discuss how these techniques improve system throughput and data transmission rates through mathematical modeling and practical code examples. Additionally, we provide comprehensive simulation code to help readers better understand the real-world applications of these techniques, including key functions for channel modeling, relay processing, and performance evaluation. Continue reading to learn more about the implementation details and performance comparisons!