Link-Level Simulation of ZF_BLE and MMSE_BLE Algorithms in TD-SCDMA

This MATLAB-based link-level simulation evaluates the performance of ZF_BLE and MMSE_BLE algorithms in TD-SCDMA systems. The implementation includes comprehensive channel modeling with different propagation conditions and interference scenarios to thoroughly assess algorithm robustness and performance metrics. The simulation framework employs block processing techniques where ZF_BLE utilizes matrix inversion for interference cancellation while MMSE_BLE incorporates noise statistics for optimized signal recovery. Key functions include channel matrix estimation, covariance matrix computation, and equalizer weight calculation using MATLAB's matrix operations. Through comparative analysis of Bit Error Rate (BER) and Signal-to-Interference-plus-Noise Ratio (SINR) performance under varying SNR conditions, the simulation provides valuable insights for TD-SCDMA system design optimization. The results demonstrate trade-offs between computational complexity and interference suppression capabilities of both algorithms. The code structure modularizes channel encoding/decoding, multipath fading generation, and equalizer implementations, allowing systematic evaluation of algorithm performance across different operational scenarios. This simulation serves as an important reference for wireless communication system designers working on 3G TD-SCDMA technology.