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简要介绍了IEEE1394 a异步数据包,对IEEE1394 a包长配置与总线传输性能的影响进行了研究,推导出异步传输模式在考虑到误码率影响的条件下,实际传输数据量与包长配置之间的关系,并对该数学模型进行了初步验证,最终模型结果和试验结果吻合较好,表明利用该数学模型分析IEEE1394包长配置、误码率与实际传输数据量之间的关系快捷有效,可以应用于工程分析。得出在误码率较小的情况下,异步数据包包长设置得越大,其IEEE1394总线的传输性能越好的结论。
This paper briefly introduces the IEEE1394a asynchronous data packet, and studies the influence of IEEE1394a long packet configuration and bus transmission performance. It is deduced that asynchronous transmission mode takes the bit error rate into account, the actual transmission data size and packet length configuration The result of the model is in good agreement with the experimental results. It shows that using the mathematical model to analyze the IEEE1394 packet length configuration, the relationship between the bit error rate and the actual transmitted data amount is quick and effective. Can be applied to engineering analysis. The conclusion is drawn that if the bit error rate is small, the larger the asynchronous data packet packet length, the better the transmission performance of the IEEE1394 bus.