Optimal Power Allocation Based on Minimum ABER in AF Three-Hop Cooperative Diversity Systems

In this paper, we investigate the optimal power allocation algorithm for Amplify-and-Forward (AF) three-hop cooperative diversity systems, designed to minimize the Average Bit Error Rate (ABER). The proposed algorithm employs convex optimization techniques to distribute transmission power among relay nodes, effectively enhancing system performance and reliability while improving user experience. Key implementation aspects include: - Mathematical modeling of SNR relationships across three-hop channels - ABER minimization through constrained optimization formulation - Gradient-based power allocation algorithms with convergence guarantees The accompanying compressed folder contains the detailed research paper, which provides comprehensive theoretical derivations and simulation results. Additionally, it may include MATLAB/Python code templates demonstrating: - Channel state information (CSI) modeling for multi-hop networks - Iterative power optimization algorithms using CVX or scipy.optimize - Monte Carlo simulations for ABER performance verification Readers can leverage these resources to understand the algorithm's theoretical foundations and practical implementation considerations for wireless communication systems.