Performance Comparison of Various Interference Suppression Algorithms

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Resource Overview

Application Context: In LTE communications, MIMO-OFDM technology effectively addresses intra-cell user interference but introduces more severe inter-cell interference. Inter-cell interference significantly limits system capacity and degrades service quality for edge users, making interference mitigation a critical research focus. Technical Approach: This program simulates the performance of multiple MIMO-based interference suppression algorithms including Interference Rejection Combining (IRC), Maximum Ratio Combining (MRC), Zero-Forcing (ZF), and Minimum Mean Square Error (MMSE). The implementation generates Bit Error Rate (BER) curves for straightforward algorithmic performance comparison, with code structuring that allows modular evaluation of each technique's interference cancellation capabilities.

Detailed Documentation

Application Context

In LTE communications, MIMO-OFDM technology successfully resolves intra-cell user interference but creates more challenging inter-cell interference problems. Inter-cell interference not only restricts overall system capacity but also significantly impacts the service quality for edge users. Consequently, developing effective inter-cell interference solutions has become a major focus in wireless communications research.

Technical Implementation

This simulation program evaluates the performance of various MIMO-based interference suppression algorithms, including Interference Rejection Combining (IRC), Maximum Ratio Combining (MRC), Zero-Forcing (ZF), and Minimum Mean Square Error (MMSE). The code implementation incorporates channel modeling, signal processing chains, and performance metrics calculation for each algorithm. By generating comparative Bit Error Rate (BER) curves, the program facilitates direct performance analysis of each algorithm's interference suppression effectiveness, with particular attention to their computational complexity and implementation requirements in practical systems.

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