基于Turbo的多输入多输出系统性能分析

2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI:10.1109/CSNT.2011.142

S. Budihal, Priyatam Kumar, R. Banakar

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引用次数: 0

摘要

本文研究了单用户多输入多输出(SU-MIMO)天线方案的turbo检测技术。本文研究了一种具有随机交织器和后验概率(APP)解码器的turbo接收机在两种调制技术(下一代无线通信系统的候选技术)上的MIMO系统的迭代方法。仿真结果表明，在2x2天线配置下，turbo处理对链路性能的改善是一致的。采用正交相移键控(QPSK)调制的turbo MIMO的性能提高了3.5 dB。采用正交调幅(QAM)-16调制方案，与不使用涡轮解码器相比，性能提高了2.0 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance Analysis of Turbo Based Multiple Input Multiple Output Systems

This paper deals with turbo detection techniques for Single User Multiple-Input-Multiple-Output (SU-MIMO) antenna schemes. Here the iterative approaches for MIMO system are investigated for a turbo receiver with random interleaver and A Posteriori Probability (APP) decoders over two modulation techniques: a candidate technique for next generation wireless communication systems. Simulation results show that, in a 2x2 antenna configuration, turbo processing provides consistent improvement of the link performance. There is an improvement by 3.5 dB in the performance of turbo based MIMO using Quadrature Phase Shift Keying (QPSK) modulation. The performance is improved by 2.0 dB, using Quadrature Amplitude Modulation (QAM)-16 modulation scheme as compared to without turbo decoders.

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2011 International Conference on Communication Systems and Network Technologies

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