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首页> 外文期刊>AEU: Archiv fur Elektronik und Ubertragungstechnik: Electronic and Communication >ATM Cell Error Rate in Non-Interleaved Fading ChannelsATM Cell Error Rate in Non-Interleaved Fading Channels
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ATM Cell Error Rate in Non-Interleaved Fading ChannelsATM Cell Error Rate in Non-Interleaved Fading Channels

机译：非交错衰落信道中的ATM信元错误率非交错衰落信道中的ATM信元错误率

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摘要

In this paper, an analytical method for determining the packet error rate in non-interleaved fading channels is presented with main focus upon transmission of ATM cells. This method is based on a K-state digital channel model. The fading model is a nonfrequency selective Rayleigh or Rice fading with a first-order low pass spectrum for the quadrature fading components. The analytical method is numerically evaluated, and the influence of the fading bandwidth of the ATM cell error rate and the ATM cell throughput is discussed. Block codes as well as convolutional codes are considered. The results show that without forward error correction the packet (cell) error rate for fast fading is slightly higher than for slow fading. With forward error correction the packet error rate is very sensitive to the fading bandwidth. Furthermore it is shown that a convolutional code with intra packet interleaving is least sensitive to slow fading.
机译：本文提出了一种确定非交织衰落信道中分组错误率的分析方法，主要侧重于ATM信元的传输。此方法基于K状态数字通道模型。衰落模型是针对正交衰落分量的具有一阶低通频谱的非频率选择性瑞利或莱斯衰落。对分析方法进行了数值评估，并讨论了衰落带宽对ATM信元误码率和ATM信元吞吐量的影响。可以考虑分块码和卷积码。结果表明，在没有前向纠错的情况下，快衰落的分组（信元）错误率略高于慢衰落的分组（信元）错误率。通过前向纠错，分组错误率对衰落带宽非常敏感。此外，示出了具有内部分组交织的卷积码对慢衰落最不敏感。

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