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本文主要介绍MIMO(多入多出)技术的发展历史和研究现状,并简单介绍MIMO系统的基本原理,并在此基础上分析信号检测算法对改善系统性能的重要意义,深入研究几种经典检测算法,主要是MMSE(最小均方误差算法),MMSE-SIC算法、MMSE-OSIC算法,并使用MATLAB软件来对算法进行仿真验证,通过BER(误码率)等曲线图来评估算法的有效性。
This article mainly introduces the development history and research status of MIMO (Multiple Input Multiple Output) technology, introduces the basic principle of MIMO system briefly, and analyzes the significance of signal detection algorithm to improve system performance on the basis of this. In-depth study of several classical detection The main algorithms are MMSE (MMSE-SIC), MMSE-SIC and MMSE-OSIC. MATLAB is used to verify the algorithm. The BER (Bit Error Rate) curve is used to evaluate the validity of the algorithm .