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首页> 外文期刊>IEEE sensors journal >On Area Coverage Reliability of Mobile Wireless Sensor Networks With Multistate Nodes
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On Area Coverage Reliability of Mobile Wireless Sensor Networks With Multistate Nodes

机译：关于具有多态节点的移动无线传感器网络的区域覆盖可靠性

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摘要

Wireless sensor networks (WSNs) are a special type of infrastructure-less network made up of a large number of tiny sensor nodes with limited energy, processing, and communication capabilities. WSNs have applications in health care, home security, environment monitoring, etc., with research challenges in energy efficiency, network lifetime, and network reliability. One of the major research challenges lies in providing application-specific coverage of the region of interest and reliable transmission of the gathered data to the mobile sink in the presence of multi-state sensor nodes. To quantify such a capability, this paper proposes a quantitative measure, called Area Coverage Reliability (ACR) for WSNs. ACR brings together WSN reliability, area coverage, energy efficiency, mobility of data collector or sink, random duty cycle of nodes, and multi-state nature of sensor nodes under a common umbrella. This paper proposes a Monte Carlo simulation approach that utilizes an energy matrix to evaluate the effect of energy-depleted nodes and energy-oriented data transfer capability on ACR. The energy matrix reflects the residual energy of sensors, the energy required to transmit data to the neighboring nodes, connectivity, and the multi-state nature of the sensors. The proposed approach is illustrated through a series of random examples. The ACR information allows the network designers to achieve a better understanding of the impact of random duty cycle, node energy, node/link reliability, and randomly deployed sensors on reliability.
机译：无线传感器网络（WSNS）是一种特殊类型的基础架构网络，由大量微小的传感器节点组成，能量，处理和通信能力有限。 WSNS在医疗保健，家庭安全，环境监测等中具有应用，具有能效，网络寿命和网络可靠性的研究挑战。其中一个主要的研究挑战在于在多状态传感器节点存在下提供利用区域和可靠地将收集数据传输到移动宿的应用特定的覆盖范围。为了量化这种能力，本文提出了用于WSN的定量测量，称为区域覆盖可靠性（ACR）。 ACR将WSN可靠性，区域覆盖，能效，数据收集器或宿池的移动性，节点随机占空比，以及普通伞下的传感器节点的多状态性质。本文提出了一种利用能量矩阵来评估能量矩阵对ACR的能量矩阵和能量导向数据传输能力的影响。能量矩阵反映了传感器的剩余能量，将数据传输到相邻节点，连接和传感器的多状态性质所需的能量。所提出的方法通过一系列随机示例来说明。 ACR信息允许网络设计人员更好地了解随机占空比，节点，节点/链路可靠性以及随机部署的传感器对可靠性的影响。

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