Performance of Turbo Coded Wireless Link for SISO, SIMO, MISO and MIMO System

2012 Fourth International Conference on Multimedia Information Networking and Security Pub Date : 2012-11-02 DOI:10.1109/MINES.2012.158

M. Kamruzzaman

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引用次数: 13

Abstract

This paper compares the performance of a Turbo coded wireless link for SISO, SIMO, MISO and MIMO system with uncoded wireless link for SISO, SIMO, MISO and MIMO system in the presence of ray Leigh fading. Turbo encoder encodes the input information bits and sends to 64 QAM modulator. Modulated symbols are mapped by STBC. Outputs of STBC split into n streams which are simultaneously transmitted using single transmit antennas for Turbo-SIMO system and n transmit antennas for Turbo-MISO and Turbo-MIMO system. The Rayleigh fading effected received signal at receive antenna is a linear superposition of the transmitted signals. It is observed that the Turbo-SISO system provides 45 dB coding gain, Turbo-SIMO system provides 27,20 and 17 dB coding gain for 2, 3 and 4 receive antenna respectively, Turbo-MISO system provides 26, 19 and 15 dB coding gain for 2, 3 and 4 transmit antenna respectively, Turbo-MIMO system provides 12 to 17 dB coding gain for different combination of transmit and receive antennas at a BER of 10-6 compared to uncoded SISO, SIMO, MISO and MIMO system.

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SISO、SIMO、MISO和MIMO系统中Turbo编码无线链路的性能

本文比较了一种用于SISO、SIMO、MISO和MIMO系统的Turbo编码无线链路与用于SISO、SIMO、MISO和MIMO系统的无编码无线链路在Leigh衰落情况下的性能。Turbo编码器对输入的信息位进行编码后发送到64qam调制器。调制符号由STBC映射。STBC的输出分成n个流，在Turbo-SIMO系统中使用单个发射天线，在Turbo-MISO和Turbo-MIMO系统中使用n个发射天线。接收天线接收到的瑞利衰落影响的信号是发射信号的线性叠加。观察到，与未编码的SISO、SIMO、MISO和MIMO系统相比，Turbo-SISO系统对接收天线2、3和4分别提供了45 dB编码增益，Turbo-SIMO系统对接收天线2、3和4分别提供了27、20和17 dB编码增益，Turbo-MISO系统对发射天线2、3和4分别提供了26、19和15 dB编码增益，Turbo-MIMO系统在BER为10-6的情况下，对发射天线和接收天线的不同组合提供了12 ~ 17 dB编码增益。

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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2012 Fourth International Conference on Multimedia Information Networking and Security

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