Proposal of an error sequence generator applied to the performance analysis of IEEE 802.16

Rafael Kunst, C. Both, L. Granville, Juergen Rochol
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引用次数: 2

Abstract

RF channels are affected by time and frequency variant conditions caused by physical impairments that lead to the occurrence of errors during the transmission. These errors are basically of two types: burst errors and random errors. Simulating the behavior of RF channels affected by physical impairments has been subject of several investigations in the past years. Nevertheless, researches generally do not consider the occurrence of both errors at the same time. The current approach to simulate RF channel behavior may lead to imprecisions on the results. In order to deal with this limitation, this paper proposes an hybrid error sequence generator, which is able of generating both burst and random error sequences. The proposed error sequence generator is applied to a case study that aims to evaluate the performance of the channel encoder of the IEEE 802.16 networks. The outcomes of the experiments show that using an hybrid model reflects better the realistic behavior of RF channels.
一种应用于IEEE 802.16性能分析的错误序列发生器的设计
射频信道受到由物理损伤引起的时间和频率变化条件的影响,导致在传输过程中发生错误。这些错误基本上有两种类型:突发错误和随机错误。在过去的几年中,模拟受物理损伤影响的射频信道的行为已经成为一些研究的主题。然而,研究通常不会考虑这两种错误同时发生。目前模拟射频信道行为的方法可能导致结果不精确。为了解决这一限制,本文提出了一种混合错误序列发生器,它既能产生突发错误序列,也能产生随机错误序列。本文将所提出的错误序列发生器应用于一个案例研究,目的是评估IEEE 802.16网络信道编码器的性能。实验结果表明,混合模型能更好地反映射频信道的真实特性。
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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