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A comparative simulation study on the performance of LDPC coded communication systems over Weibull fading channels

机译:威布尔衰落信道上LDPC编码通信系统性能的比较仿真研究

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摘要

The Weibull distribution is a useful statistical model that can be used to describe the multipath fading in nowadays wireless communication environments. In this paper, the bit error rate (BER) performance of Low-Density Parity-Check (LDPC) coded communication systems using different decoding rules is presented over Weibull fading channels by means of comparative computer simulations. It is shown that, especially for the case of the Belief Propagation (BP) decoding rule, significant performance improvement can be achieved in comparison with uncoded transmission when the channel is assumed to have Weibull fading.
机译:威布尔分布是一种有用的统计模型,可用于描述当今无线通信环境中的多径衰落。本文通过比较计算机仿真,在威布尔衰落信道上介绍了使用不同解码规则的低密度奇偶校验(LDPC)编码通信系统的误码率(BER)性能。结果表明,特别是对于置信传播(BP)解码规则的情况,与假定信道具有威布尔衰落的未编码传输相比,可以显着提高性能。

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