The prudence transmission method I (PTM I): a retransmission cut-off method for contention based multiple-access communication systems

1997 IEEE 47th Vehicular Technology Conference. Technology in Motion Pub Date : 1997-05-04 DOI:10.1109/VETEC.1997.596388

J. Sarker, S. J. Halme

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引用次数: 11

Abstract

A transmission policy is studied for the random access slotted ALOHA channel in terms of the number of transmissions. A stable operation of slotted ALOHA can be achieved by reducing the transmission number for a specific limit of the new packet generation rate. Our results show that the control of transmission number is not needed if the new packet generation rate from all active users is less than e/sup -1/ packet per time slot. We have introduced an optimum transmission method called the "prudence transmission method (PTM)" which gives the maximum throughput. This can be done by adjusting the number of transmission for a given new packet generation rate, when it is greater than e/sup -1/ packet per time slot. The result shows that the number of transmissions decrease abruptly with the increase of the new packet generation rate. For the stable operation of slotted ALOHA, the maximum allowable new packet generation rate is 1 packet per time slot. The results of this study are portrayed on graphs and may be used as a guideline of a contention based multiple access scheme with and without retransmission cut-off.

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谨慎传输方法I (PTM I):一种基于争用的多址通信系统的重传截止方法

研究了随机接入开槽ALOHA信道的传输策略。通过在特定的新分组生成速率限制下减少传输数，可以实现槽ALOHA的稳定运行。我们的研究结果表明，如果所有活跃用户的新数据包生成速率小于e/sup -1/每个时隙，则不需要控制传输数。我们引入了一种最佳传输方法，称为“谨慎传输方法(PTM)”，它可以提供最大的吞吐量。这可以通过调整给定新数据包生成速率的传输数来实现，当它大于e/sup -1/每个时隙的数据包生成速率时。结果表明，随着新分组生成速率的增加，传输次数急剧减少。为了保证有槽ALOHA的稳定运行，每个时隙允许的最大新包生成速率为1个包。本研究的结果被描绘在图表上，并且可以用作有或没有重传截断的基于争用的多址方案的指导方针。

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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1997 IEEE 47th Vehicular Technology Conference. Technology in Motion

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