Performance Evaluation of Priority Mechanisms for Industrial Wireless Sensor Networks

2022 24th International Multitopic Conference (INMIC) Pub Date : 2022-10-21 DOI:10.1109/INMIC56986.2022.9972886

A. Khan, S. Siddiqui

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Abstract

Emerging applications of Wireless Sensor Networks (WSN) often rely on generation and collection of heterogenous data. In various application scenarios of WSN such as health care and surveillance, the data needs to be prioritized for timely actions. This paper offers a comparison of two MAC schemes Priority-MAC and FROG-MAC that have been developed to deal with heterogeneous traffic in WSN; Priority-MAC was designed based on differentiated TDMA slot allocation for traffic of different priorities, whereas FROG-MAC proposed to transmit traffic of low priority in fragments in order to earlier transmit the high priority data. Traffic of two priorities (urgent and normal) has been used for simulations over 30 nodes in a single-hop environment. Maximum and average delay of both protocols have been compared. It has been found that FROG-MAC serves better as compared to Priority-MAC due to no requirement of waiting for complete transmission of low priority packets. Furthermore, the influence of varying network and fragment size over delay of urgent traffic in FROG-MAC has also been studied

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工业无线传感器网络优先级机制的性能评估

无线传感器网络(WSN)的新兴应用往往依赖于异构数据的生成和收集。在医疗、监测等无线传感器网络的各种应用场景中，需要对数据进行优先排序，以便及时采取行动。本文比较了针对无线传感器网络中异构业务开发的两种MAC协议Priority-MAC和FROG-MAC;priority - mac是基于对不同优先级的流量进行差异化的TDMA槽位分配而设计的，而FROG-MAC则提出将低优先级的流量分段传输，以便更早地传输高优先级的数据。采用两种优先级(紧急和正常)的流量在单跳环境下进行了超过30个节点的仿真。比较了两种协议的最大时延和平均时延。研究发现，由于不需要等待低优先级数据包的完整传输，FROG-MAC比priority - mac服务更好。此外，还研究了不同网络大小和分片大小对紧急流量延迟的影响

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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2022 24th International Multitopic Conference (INMIC)

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