ALOHA协议在室内无线电环境下的性能研究

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI:10.1109/PIMRC.1991.571501

J. Wen, Jin-Fu Chang

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引用次数: 1

摘要

摘要无线传输是在室内环境中部署局域网的一种有吸引力的替代方案。ALOHA是一种可能用于传输突发数据流的介质访问协议。室内无线电传输的一个潜在威胁是由信号反射引起的多径干扰。研究了多径干扰对纯ALOHA随机接入技术性能的影响。关键性能指标，通道吞吐量和平均数据包延迟，得到。这些结果是用微量近似得到的，并通过计算机模拟得到了验证。在实际应用中，在评估包成功接收概率时，还考虑了信号捕获效果。通过数值算例说明了室内多径干扰对该协议的影响程度。

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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The Performance Of ALOHA Protocol In Indoor Radio Environment

1.0 Abstract Radio transmission is an attractive alternative in deploying a local area network in indoor environment. ALOHA is a possible medium access protocol in transporting traffics with bursty nature. One potential threat in indoor radio transmission is multipath interference caused by signal reflections. This paper studies the effect of multipath interference on the performance of pure ALOHA random access technique. Key performance measures, channel throughput and mean packet delay, are obtained. These results are derived partially using minislot approximation and verified by computer simulations. To be practical, in the evaluation of the successful packet reception probability the signal capture effect is also taken into consideration. How seriously that indoor multipath interference affects this protocol is witnessed through numerical examples.

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IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.

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