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A Survey on Real-Time Communications in Wireless Sensor Networks

机译：无线传感器网络实时通信调查

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摘要

Generally, various traffic requirements in wireless sensor network are mostly dependent on specific application types, that is, event-driven, continuous, and query-driven types. In these applications, real-time delivery is one of the important research challenges. However, due to harsh networking environment around a node, many researchers usually take different approach from conventional networks. In order to discuss and analyze the advantage or disadvantage of these approaches, some comprehensive survey literatures were published; however they are either out of date or compiled for communication protocols on single layer. Based on this deficiency, in this paper, we present the up-to-date research approaches and discuss the important features related to real-time communications in wireless sensor networks. As for grouping, we categorize the approaches into hard, soft, and firm real-time model. Furthermore, in all these categories, research has been focused on MAC and scheduling and routing according to research area or objective in second level. Finally, the article also suggests potential directions for future research in the field.
机译：通常，无线传感器网络中的各种流量需求主要取决于特定的应用类型，即事件驱动、连续和查询驱动类型。在这些应用中，实时交付是重要的研究挑战之一。然而，由于节点周围恶劣的网络环境，许多研究人员通常采取与传统网络不同的方法。为了讨论和分析这些方法的优缺点，发表了一些综合性的调查文献；然而，它们要么已经过时，要么是为单层通信协议而编译的。基于这一不足，本文介绍了最新的研究方法，并讨论了无线传感器网络中与实时通信相关的重要特性。至于分组，我们将这些方法分为硬实时模型、软实时模型和硬实时模型。此外，在所有这些类别中，研究都集中在MAC以及第二层中根据研究领域或目标进行的调度和路由。最后，文章还提出了该领域未来研究的潜在方向。

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    Beom-Su Kim; HoSung Park; Kyong Hoon Kim; Daniel Godfrey; Ki-Il Kim;

  • 作者单位

    Department of Informatics Gyeongsang National University Jinju Republic of Korea;

    Department of Informatics Gyeongsang National University Jinju Republic of Korea;

    Department of Informatics Gyeongsang National University Jinju Republic of Korea;

    Department of Computer Science and Engineering Chungnam National University;

    Department of Computer Science and Engineering Chungnam National University;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线通信;
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