OFDM Simulation Program with Multiple Channel Estimation Algorithms

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Resource Overview

OFDM simulation program implementing and comparing various channel estimation methods including LS, MMSE, LMMSE, and DCT approaches, with the main program named "ofdm" controlling the complete simulation workflow.

Detailed Documentation

In this OFDM simulation program, we have implemented and compared multiple channel estimation techniques including Least Squares (LS), Minimum Mean Square Error (MMSE), Linear Minimum Mean Square Error (LMMSE), and Discrete Cosine Transform (DCT) methods. The main program "ofdm" serves as the core controller that orchestrates the entire simulation process, handling signal generation, modulation/demodulation, channel modeling, and performance evaluation. Each estimation algorithm is implemented as a separate module with specific mathematical formulations: LS provides simple linear estimation, MMSE incorporates statistical channel knowledge, LMMSE offers reduced complexity, and DCT utilizes transform-domain processing for improved performance in certain channel conditions.

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